From 086a46994a9f59ba06bfacdf2041817ef2f6671c Mon Sep 17 00:00:00 2001 From: Lauris BH Date: Thu, 31 Oct 2019 03:06:25 +0200 Subject: [PATCH 1/3] Rewrite markdown rendering to blackfriday v2 and rewrite orgmode rendering to go-org (#8560) * Rewrite markdown rendering to blackfriday v2.0 * Fix style * Fix go mod with golang 1.13 * Fix blackfriday v2 import * Inital orgmode renderer migration to go-org * Vendor go-org dependency * Ignore errors :/ * Update go-org to latest version * Update test * Fix go-org test * Remove unneeded code * Fix comments * Fix markdown test * Fix blackfriday regression rendering HTML block --- go.mod | 9 +- go.sum | 16 +- modules/markup/html_test.go | 4 +- modules/markup/markdown/markdown.go | 217 ++-- modules/markup/markdown/markdown_test.go | 8 +- modules/markup/mdstripper/mdstripper.go | 258 ++--- modules/markup/orgmode/orgmode.go | 100 +- modules/markup/orgmode/orgmode_test.go | 10 +- .../chaseadamsio/goorgeous/.gitignore | 1 - .../chaseadamsio/goorgeous/.travis.yml | 12 - .../chaseadamsio/goorgeous/README.org | 66 -- .../chaseadamsio/goorgeous/goorgeous.go | 803 --------------- .../chaseadamsio/goorgeous/gopher.gif | Bin 15232 -> 0 bytes .../chaseadamsio/goorgeous/gopher_small.gif | Bin 3270 -> 0 bytes .../chaseadamsio/goorgeous/header.go | 70 -- .../go-org}/LICENSE | 2 +- .../niklasfasching/go-org/org/block.go | 84 ++ .../niklasfasching/go-org/org/document.go | 260 +++++ .../niklasfasching/go-org/org/drawer.go | 97 ++ .../niklasfasching/go-org/org/footnote.go | 35 + .../niklasfasching/go-org/org/fuzz.go | 27 + .../niklasfasching/go-org/org/headline.go | 101 ++ .../niklasfasching/go-org/org/html_entity.go | 437 ++++++++ .../niklasfasching/go-org/org/html_writer.go | 504 ++++++++++ .../niklasfasching/go-org/org/inline.go | 357 +++++++ .../niklasfasching/go-org/org/keyword.go | 184 ++++ .../niklasfasching/go-org/org/list.go | 114 +++ .../niklasfasching/go-org/org/org_writer.go | 334 ++++++ .../niklasfasching/go-org/org/paragraph.go | 46 + .../niklasfasching/go-org/org/table.go | 130 +++ .../niklasfasching/go-org/org/util.go | 19 + .../niklasfasching/go-org/org/writer.go | 103 ++ vendor/github.com/russross/blackfriday/doc.go | 32 - .../github.com/russross/blackfriday/html.go | 938 ----------------- .../github.com/russross/blackfriday/latex.go | 334 ------ .../russross/blackfriday/{ => v2}/.gitignore | 0 .../russross/blackfriday/{ => v2}/.travis.yml | 21 +- .../russross/blackfriday/{ => v2}/LICENSE.txt | 0 .../russross/blackfriday/{ => v2}/README.md | 122 +-- .../russross/blackfriday/{ => v2}/block.go | 853 +++++++++------- .../github.com/russross/blackfriday/v2/doc.go | 18 + .../github.com/russross/blackfriday/v2/esc.go | 34 + .../github.com/russross/blackfriday/v2/go.mod | 1 + .../russross/blackfriday/v2/html.go | 949 ++++++++++++++++++ .../russross/blackfriday/{ => v2}/inline.go | 570 ++++++----- .../russross/blackfriday/{ => v2}/markdown.go | 685 ++++++------- .../russross/blackfriday/v2/node.go | 354 +++++++ .../blackfriday/{ => v2}/smartypants.go | 139 +-- .../sanitized_anchor_name/.travis.yml | 6 +- .../shurcooL/sanitized_anchor_name/LICENSE | 10 +- .../shurcooL/sanitized_anchor_name/README.md | 6 +- .../shurcooL/sanitized_anchor_name/go.mod | 1 + .../shurcooL/sanitized_anchor_name/main.go | 2 +- vendor/golang.org/x/net/html/token.go | 6 + vendor/modules.txt | 12 +- 55 files changed, 5769 insertions(+), 3732 deletions(-) delete mode 100644 vendor/github.com/chaseadamsio/goorgeous/.gitignore delete mode 100644 vendor/github.com/chaseadamsio/goorgeous/.travis.yml delete mode 100644 vendor/github.com/chaseadamsio/goorgeous/README.org delete mode 100644 vendor/github.com/chaseadamsio/goorgeous/goorgeous.go delete mode 100644 vendor/github.com/chaseadamsio/goorgeous/gopher.gif delete mode 100644 vendor/github.com/chaseadamsio/goorgeous/gopher_small.gif delete mode 100644 vendor/github.com/chaseadamsio/goorgeous/header.go rename vendor/github.com/{chaseadamsio/goorgeous => niklasfasching/go-org}/LICENSE (94%) create mode 100644 vendor/github.com/niklasfasching/go-org/org/block.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/document.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/drawer.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/footnote.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/fuzz.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/headline.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/html_entity.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/html_writer.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/inline.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/keyword.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/list.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/org_writer.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/paragraph.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/table.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/util.go create mode 100644 vendor/github.com/niklasfasching/go-org/org/writer.go delete mode 100644 vendor/github.com/russross/blackfriday/doc.go delete mode 100644 vendor/github.com/russross/blackfriday/html.go delete mode 100644 vendor/github.com/russross/blackfriday/latex.go rename vendor/github.com/russross/blackfriday/{ => v2}/.gitignore (100%) rename vendor/github.com/russross/blackfriday/{ => v2}/.travis.yml (50%) rename vendor/github.com/russross/blackfriday/{ => v2}/LICENSE.txt (100%) rename vendor/github.com/russross/blackfriday/{ => v2}/README.md (69%) rename vendor/github.com/russross/blackfriday/{ => v2}/block.go (54%) create mode 100644 vendor/github.com/russross/blackfriday/v2/doc.go create mode 100644 vendor/github.com/russross/blackfriday/v2/esc.go create mode 100644 vendor/github.com/russross/blackfriday/v2/go.mod create mode 100644 vendor/github.com/russross/blackfriday/v2/html.go rename vendor/github.com/russross/blackfriday/{ => v2}/inline.go (63%) rename vendor/github.com/russross/blackfriday/{ => v2}/markdown.go (50%) create mode 100644 vendor/github.com/russross/blackfriday/v2/node.go rename vendor/github.com/russross/blackfriday/{ => v2}/smartypants.go (66%) create mode 100644 vendor/github.com/shurcooL/sanitized_anchor_name/go.mod diff --git a/go.mod b/go.mod index e1bbd9ac89..02f0c46f22 100644 --- a/go.mod +++ b/go.mod @@ -22,7 +22,6 @@ require ( github.com/blevesearch/go-porterstemmer v0.0.0-20141230013033-23a2c8e5cf1f // indirect github.com/blevesearch/segment v0.0.0-20160105220820-db70c57796cc // indirect github.com/boombuler/barcode v0.0.0-20161226211916-fe0f26ff6d26 // indirect - github.com/chaseadamsio/goorgeous v0.0.0-20170901132237-098da33fde5f github.com/couchbase/vellum v0.0.0-20190111184608-e91b68ff3efe // indirect github.com/cznic/b v0.0.0-20181122101859-a26611c4d92d // indirect github.com/cznic/mathutil v0.0.0-20181122101859-297441e03548 // indirect @@ -73,6 +72,7 @@ require ( github.com/mschoch/smat v0.0.0-20160514031455-90eadee771ae // indirect github.com/msteinert/pam v0.0.0-20151204160544-02ccfbfaf0cc github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5 + github.com/niklasfasching/go-org v0.1.7 github.com/oliamb/cutter v0.2.2 github.com/philhofer/fwd v1.0.0 // indirect github.com/pkg/errors v0.8.1 @@ -80,12 +80,13 @@ require ( github.com/prometheus/client_golang v1.1.0 github.com/prometheus/procfs v0.0.4 // indirect github.com/remyoudompheng/bigfft v0.0.0-20190321074620-2f0d2b0e0001 // indirect - github.com/russross/blackfriday v0.0.0-20180428102519-11635eb403ff + github.com/russross/blackfriday v2.0.0+incompatible // indirect + github.com/russross/blackfriday/v2 v2.0.1 github.com/saintfish/chardet v0.0.0-20120816061221-3af4cd4741ca // indirect github.com/satori/go.uuid v1.2.0 github.com/sergi/go-diff v1.0.0 github.com/shurcooL/httpfs v0.0.0-20190527155220-6a4d4a70508b // indirect - github.com/shurcooL/sanitized_anchor_name v0.0.0-20160918041101-1dba4b3954bc // indirect + github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect github.com/shurcooL/vfsgen v0.0.0-20181202132449-6a9ea43bcacd github.com/steveyen/gtreap v0.0.0-20150807155958-0abe01ef9be2 // indirect github.com/stretchr/testify v1.4.0 @@ -100,7 +101,7 @@ require ( github.com/willf/bitset v0.0.0-20180426185212-8ce1146b8621 // indirect github.com/yohcop/openid-go v0.0.0-20160914080427-2c050d2dae53 golang.org/x/crypto v0.0.0-20190927123631-a832865fa7ad - golang.org/x/net v0.0.0-20190909003024-a7b16738d86b + golang.org/x/net v0.0.0-20191028085509-fe3aa8a45271 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 golang.org/x/sys v0.0.0-20190910064555-bbd175535a8b golang.org/x/text v0.3.2 diff --git a/go.sum b/go.sum index 2eeaa79810..7445469d7e 100644 --- a/go.sum +++ b/go.sum @@ -86,8 +86,6 @@ github.com/boombuler/barcode v0.0.0-20161226211916-fe0f26ff6d26/go.mod h1:paBWMc github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668 h1:U/lr3Dgy4WK+hNk4tyD+nuGjpVLPEHuJSFXMw11/HPA= github.com/bradfitz/gomemcache v0.0.0-20190329173943-551aad21a668/go.mod h1:H0wQNHz2YrLsuXOZozoeDmnHXkNCRmMW0gwFWDfEZDA= github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc= -github.com/chaseadamsio/goorgeous v0.0.0-20170901132237-098da33fde5f h1:REH9VH5ubNR0skLaOxK7TRJeRbE2dDfvaouQo8FsRcA= -github.com/chaseadamsio/goorgeous v0.0.0-20170901132237-098da33fde5f/go.mod h1:6QaC0vFoKWYDth94dHFNgRT2YkT5FHdQp/Yx15aAAi0= github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= github.com/corbym/gocrest v1.0.3 h1:gwEdq6RkTmq+09CTuM29DfKOCtZ7G7bcyxs3IZ6EVdU= github.com/corbym/gocrest v1.0.3/go.mod h1:maVFL5lbdS2PgfOQgGRWDYTeunSWQeiEgoNdTABShCs= @@ -425,6 +423,10 @@ github.com/mwitkow/go-conntrack v0.0.0-20161129095857-cc309e4a2223/go.mod h1:qRW github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f/go.mod h1:qRWi+5nqEBWmkhHvq77mSJWrCKwh8bxhgT7d/eI7P4U= github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5 h1:BvoENQQU+fZ9uukda/RzCAL/191HHwJA5b13R6diVlY= github.com/nfnt/resize v0.0.0-20160724205520-891127d8d1b5/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8= +github.com/niklasfasching/go-org v0.1.6 h1:F521WcqRNl8OJumlgAnekZgERaTA2HpfOYYfVEKOeI8= +github.com/niklasfasching/go-org v0.1.6/go.mod h1:AsLD6X7djzRIz4/RFZu8vwRL0VGjUvGZCCH1Nz0VdrU= +github.com/niklasfasching/go-org v0.1.7 h1:t3V+3XnS/7BhKv/7SlMUa8FvAiq577/a1T3D7mLIRXE= +github.com/niklasfasching/go-org v0.1.7/go.mod h1:AsLD6X7djzRIz4/RFZu8vwRL0VGjUvGZCCH1Nz0VdrU= github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U= github.com/oliamb/cutter v0.2.2 h1:Lfwkya0HHNU1YLnGv2hTkzHfasrSMkgv4Dn+5rmlk3k= github.com/oliamb/cutter v0.2.2/go.mod h1:4BenG2/4GuRBDbVm/OPahDVqbrOemzpPiG5mi1iryBU= @@ -487,8 +489,10 @@ github.com/remyoudompheng/bigfft v0.0.0-20190321074620-2f0d2b0e0001/go.mod h1:qq github.com/rogpeppe/fastuuid v0.0.0-20150106093220-6724a57986af/go.mod h1:XWv6SoW27p1b0cqNHllgS5HIMJraePCO15w5zCzIWYg= github.com/rogpeppe/fastuuid v1.2.0/go.mod h1:jVj6XXZzXRy/MSR5jhDC/2q6DgLz+nrA6LYCDYWNEvQ= github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4= -github.com/russross/blackfriday v0.0.0-20180428102519-11635eb403ff h1:g9ZlAHmkc/h5So+OjNCkZWh+FjuKEOOOoyRkqlGA8+c= -github.com/russross/blackfriday v0.0.0-20180428102519-11635eb403ff/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g= +github.com/russross/blackfriday v2.0.0+incompatible h1:cBXrhZNUf9C+La9/YpS+UHpUT8YD6Td9ZMSU9APFcsk= +github.com/russross/blackfriday v2.0.0+incompatible/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g= +github.com/russross/blackfriday/v2 v2.0.1 h1:lPqVAte+HuHNfhJ/0LC98ESWRz8afy9tM/0RK8m9o+Q= +github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= github.com/saintfish/chardet v0.0.0-20120816061221-3af4cd4741ca h1:NugYot0LIVPxTvN8n+Kvkn6TrbMyxQiuvKdEwFdR9vI= github.com/saintfish/chardet v0.0.0-20120816061221-3af4cd4741ca/go.mod h1:uugorj2VCxiV1x+LzaIdVa9b4S4qGAcH6cbhh4qVxOU= github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww= @@ -499,6 +503,8 @@ github.com/shurcooL/httpfs v0.0.0-20190527155220-6a4d4a70508b h1:4kg1wyftSKxLtnP github.com/shurcooL/httpfs v0.0.0-20190527155220-6a4d4a70508b/go.mod h1:ZY1cvUeJuFPAdZ/B6v7RHavJWZn2YPVFQ1OSXhCGOkg= github.com/shurcooL/sanitized_anchor_name v0.0.0-20160918041101-1dba4b3954bc h1:3wIrJvFb3Pf6B/2mDBnN1G5IfUVev4X5apadQlWOczE= github.com/shurcooL/sanitized_anchor_name v0.0.0-20160918041101-1dba4b3954bc/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc= +github.com/shurcooL/sanitized_anchor_name v1.0.0 h1:PdmoCO6wvbs+7yrJyMORt4/BmY5IYyJwS/kOiWx8mHo= +github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc= github.com/shurcooL/vfsgen v0.0.0-20181202132449-6a9ea43bcacd h1:ug7PpSOB5RBPK1Kg6qskGBoP3Vnj/aNYFTznWvlkGo0= github.com/shurcooL/vfsgen v0.0.0-20181202132449-6a9ea43bcacd/go.mod h1:TrYk7fJVaAttu97ZZKrO9UbRa8izdowaMIZcxYMbVaw= github.com/siddontang/go v0.0.0-20180604090527-bdc77568d726/go.mod h1:3yhqj7WBBfRhbBlzyOC3gUxftwsU0u8gqevxwIHQpMw= @@ -650,6 +656,8 @@ golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20190909003024-a7b16738d86b h1:XfVGCX+0T4WOStkaOsJRllbsiImhB2jgVBGc9L0lPGc= golang.org/x/net v0.0.0-20190909003024-a7b16738d86b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20191028085509-fe3aa8a45271 h1:N66aaryRB3Ax92gH0v3hp1QYZ3zWWCCUR/j8Ifh45Ss= +golang.org/x/net v0.0.0-20191028085509-fe3aa8a45271/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/oauth2 v0.0.0-20180620175406-ef147856a6dd/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U= golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421 h1:Wo7BWFiOk0QRFMLYMqJGFMd9CgUAcGx7V+qEg/h5IBI= diff --git a/modules/markup/html_test.go b/modules/markup/html_test.go index 91ef320b40..07747e97e1 100644 --- a/modules/markup/html_test.go +++ b/modules/markup/html_test.go @@ -323,6 +323,6 @@ func TestRender_ShortLinks(t *testing.T) { `

`) test( "

[[foobar]]

", - `

[[foobar]]

`, - `

[[foobar]]

`) + `

[[foobar]]

`, + `

[[foobar]]

`) } diff --git a/modules/markup/markdown/markdown.go b/modules/markup/markdown/markdown.go index d9fc768891..ff78d7ea3a 100644 --- a/modules/markup/markdown/markdown.go +++ b/modules/markup/markdown/markdown.go @@ -7,13 +7,14 @@ package markdown import ( "bytes" + "io" "strings" "code.gitea.io/gitea/modules/markup" "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/util" - "github.com/russross/blackfriday" + "github.com/russross/blackfriday/v2" ) // Renderer is a extended version of underlying render object. @@ -25,134 +26,138 @@ type Renderer struct { var byteMailto = []byte("mailto:") -// Link defines how formal links should be processed to produce corresponding HTML elements. -func (r *Renderer) Link(out *bytes.Buffer, link []byte, title []byte, content []byte) { - // special case: this is not a link, a hash link or a mailto:, so it's a - // relative URL - if len(link) > 0 && !markup.IsLink(link) && - link[0] != '#' && !bytes.HasPrefix(link, byteMailto) { - lnk := string(link) +var htmlEscaper = [256][]byte{ + '&': []byte("&"), + '<': []byte("<"), + '>': []byte(">"), + '"': []byte("""), +} + +func escapeHTML(w io.Writer, s []byte) { + var start, end int + for end < len(s) { + escSeq := htmlEscaper[s[end]] + if escSeq != nil { + _, _ = w.Write(s[start:end]) + _, _ = w.Write(escSeq) + start = end + 1 + } + end++ + } + if start < len(s) && end <= len(s) { + _, _ = w.Write(s[start:end]) + } +} + +// RenderNode is a default renderer of a single node of a syntax tree. For +// block nodes it will be called twice: first time with entering=true, second +// time with entering=false, so that it could know when it's working on an open +// tag and when on close. It writes the result to w. +// +// The return value is a way to tell the calling walker to adjust its walk +// pattern: e.g. it can terminate the traversal by returning Terminate. Or it +// can ask the walker to skip a subtree of this node by returning SkipChildren. +// The typical behavior is to return GoToNext, which asks for the usual +// traversal to the next node. +func (r *Renderer) RenderNode(w io.Writer, node *blackfriday.Node, entering bool) blackfriday.WalkStatus { + switch node.Type { + case blackfriday.Image: + prefix := r.URLPrefix if r.IsWiki { - lnk = util.URLJoin("wiki", lnk) + prefix = util.URLJoin(prefix, "wiki", "raw") } - mLink := util.URLJoin(r.URLPrefix, lnk) - link = []byte(mLink) - } - - if len(content) > 10 && string(content[0:9]) == " 0 { - out.WriteByte('\n') - } - - if flags&blackfriday.LIST_TYPE_DEFINITION != 0 { - out.WriteString("
") - } else if flags&blackfriday.LIST_TYPE_ORDERED != 0 { - out.WriteString("
    ") - } else { - out.WriteString("
      ") - } - if !text() { - out.Truncate(marker) - return - } - if flags&blackfriday.LIST_TYPE_DEFINITION != 0 { - out.WriteString("
\n") - } else if flags&blackfriday.LIST_TYPE_ORDERED != 0 { - out.WriteString("\n") - } else { - out.WriteString("\n") - } -} - -// ListItem defines how list items should be processed to produce corresponding HTML elements. -func (r *Renderer) ListItem(out *bytes.Buffer, text []byte, flags int) { - // Detect procedures to draw checkboxes. - prefix := "" - if bytes.HasPrefix(text, []byte("

")) { - prefix = "

" - } - switch { - case bytes.HasPrefix(text, []byte(prefix+"[ ] ")): - text = append([]byte(``), text[3+len(prefix):]...) - if prefix != "" { - text = bytes.Replace(text, []byte(prefix), []byte{}, 1) + prefix = strings.Replace(prefix, "/src/", "/media/", 1) + link := node.LinkData.Destination + if len(link) > 0 && !markup.IsLink(link) { + lnk := string(link) + lnk = util.URLJoin(prefix, lnk) + lnk = strings.Replace(lnk, " ", "+", -1) + link = []byte(lnk) } - case bytes.HasPrefix(text, []byte(prefix+"[x] ")): - text = append([]byte(``), text[3+len(prefix):]...) - if prefix != "" { - text = bytes.Replace(text, []byte(prefix), []byte{}, 1) + node.LinkData.Destination = link + // Render link around image only if parent is not link already + if node.Parent != nil && node.Parent.Type != blackfriday.Link { + if entering { + _, _ = w.Write([]byte(``)) + return r.Renderer.RenderNode(w, node, entering) + } + s := r.Renderer.RenderNode(w, node, entering) + _, _ = w.Write([]byte(``)) + return s + } + return r.Renderer.RenderNode(w, node, entering) + case blackfriday.Link: + // special case: this is not a link, a hash link or a mailto:, so it's a + // relative URL + link := node.LinkData.Destination + if len(link) > 0 && !markup.IsLink(link) && + link[0] != '#' && !bytes.HasPrefix(link, byteMailto) && + node.LinkData.Footnote == nil { + lnk := string(link) + if r.IsWiki { + lnk = util.URLJoin("wiki", lnk) + } + link = []byte(util.URLJoin(r.URLPrefix, lnk)) + } + node.LinkData.Destination = link + return r.Renderer.RenderNode(w, node, entering) + case blackfriday.Text: + isListItem := false + for n := node.Parent; n != nil; n = n.Parent { + if n.Type == blackfriday.Item { + isListItem = true + break + } + } + if isListItem { + text := node.Literal + switch { + case bytes.HasPrefix(text, []byte("[ ] ")): + _, _ = w.Write([]byte(``)) + text = text[3:] + case bytes.HasPrefix(text, []byte("[x] ")): + _, _ = w.Write([]byte(``)) + text = text[3:] + } + node.Literal = text } } - r.Renderer.ListItem(out, text, flags) -} - -// Image defines how images should be processed to produce corresponding HTML elements. -func (r *Renderer) Image(out *bytes.Buffer, link []byte, title []byte, alt []byte) { - prefix := r.URLPrefix - if r.IsWiki { - prefix = util.URLJoin(prefix, "wiki", "raw") - } - prefix = strings.Replace(prefix, "/src/", "/media/", 1) - if len(link) > 0 && !markup.IsLink(link) { - lnk := string(link) - lnk = util.URLJoin(prefix, lnk) - lnk = strings.Replace(lnk, " ", "+", -1) - link = []byte(lnk) - } - - // Put a link around it pointing to itself by default - out.WriteString(``) - r.Renderer.Image(out, link, title, alt) - out.WriteString("") + return r.Renderer.RenderNode(w, node, entering) } const ( blackfridayExtensions = 0 | - blackfriday.EXTENSION_NO_INTRA_EMPHASIS | - blackfriday.EXTENSION_TABLES | - blackfriday.EXTENSION_FENCED_CODE | - blackfriday.EXTENSION_STRIKETHROUGH | - blackfriday.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK | - blackfriday.EXTENSION_DEFINITION_LISTS | - blackfriday.EXTENSION_FOOTNOTES | - blackfriday.EXTENSION_HEADER_IDS | - blackfriday.EXTENSION_AUTO_HEADER_IDS + blackfriday.NoIntraEmphasis | + blackfriday.Tables | + blackfriday.FencedCode | + blackfriday.Strikethrough | + blackfriday.NoEmptyLineBeforeBlock | + blackfriday.DefinitionLists | + blackfriday.Footnotes | + blackfriday.HeadingIDs | + blackfriday.AutoHeadingIDs blackfridayHTMLFlags = 0 | - blackfriday.HTML_SKIP_STYLE | - blackfriday.HTML_OMIT_CONTENTS | - blackfriday.HTML_USE_SMARTYPANTS + blackfriday.Smartypants ) // RenderRaw renders Markdown to HTML without handling special links. func RenderRaw(body []byte, urlPrefix string, wikiMarkdown bool) []byte { renderer := &Renderer{ - Renderer: blackfriday.HtmlRenderer(blackfridayHTMLFlags, "", ""), + Renderer: blackfriday.NewHTMLRenderer(blackfriday.HTMLRendererParameters{ + Flags: blackfridayHTMLFlags, + }), URLPrefix: urlPrefix, IsWiki: wikiMarkdown, } exts := blackfridayExtensions if setting.Markdown.EnableHardLineBreak { - exts |= blackfriday.EXTENSION_HARD_LINE_BREAK + exts |= blackfriday.HardLineBreak } - body = blackfriday.Markdown(body, renderer, exts) + body = blackfriday.Run(body, blackfriday.WithRenderer(renderer), blackfriday.WithExtensions(exts)) return markup.SanitizeBytes(body) } diff --git a/modules/markup/markdown/markdown_test.go b/modules/markup/markdown/markdown_test.go index 669b49367e..b29f870ce5 100644 --- a/modules/markup/markdown/markdown_test.go +++ b/modules/markup/markdown/markdown_test.go @@ -166,13 +166,13 @@ func testAnswers(baseURLContent, baseURLImages string) []string {

Footnotes

Here is a simple footnote,1 and here is a longer one.2

+
    -
  1. This is the first footnote. -
    2. +
  2. This is the first footnote.

  3. Here is one with multiple paragraphs and code.

    @@ -180,9 +180,9 @@ func testAnswers(baseURLContent, baseURLImages string) []string {

    { my code }

    -

    Add as many paragraphs as you like.

    -
    4. +

    Add as many paragraphs as you like.

+
`, } diff --git a/modules/markup/mdstripper/mdstripper.go b/modules/markup/mdstripper/mdstripper.go index 7a901b17a9..d248944b68 100644 --- a/modules/markup/mdstripper/mdstripper.go +++ b/modules/markup/mdstripper/mdstripper.go @@ -6,43 +6,39 @@ package mdstripper import ( "bytes" + "io" - "github.com/russross/blackfriday" + "github.com/russross/blackfriday/v2" ) // MarkdownStripper extends blackfriday.Renderer type MarkdownStripper struct { - blackfriday.Renderer links []string coallesce bool + empty bool } const ( blackfridayExtensions = 0 | - blackfriday.EXTENSION_NO_INTRA_EMPHASIS | - blackfriday.EXTENSION_TABLES | - blackfriday.EXTENSION_FENCED_CODE | - blackfriday.EXTENSION_STRIKETHROUGH | - blackfriday.EXTENSION_NO_EMPTY_LINE_BEFORE_BLOCK | - blackfriday.EXTENSION_DEFINITION_LISTS | - blackfriday.EXTENSION_FOOTNOTES | - blackfriday.EXTENSION_HEADER_IDS | - blackfriday.EXTENSION_AUTO_HEADER_IDS | + blackfriday.NoIntraEmphasis | + blackfriday.Tables | + blackfriday.FencedCode | + blackfriday.Strikethrough | + blackfriday.NoEmptyLineBeforeBlock | + blackfriday.DefinitionLists | + blackfriday.Footnotes | + blackfriday.HeadingIDs | + blackfriday.AutoHeadingIDs | // Not included in modules/markup/markdown/markdown.go; // required here to process inline links - blackfriday.EXTENSION_AUTOLINK + blackfriday.Autolink ) -//revive:disable:var-naming Implementing the Rendering interface requires breaking some linting rules - // StripMarkdown parses markdown content by removing all markup and code blocks // in order to extract links and other references func StripMarkdown(rawBytes []byte) (string, []string) { - stripper := &MarkdownStripper{ - links: make([]string, 0, 10), - } - body := blackfriday.Markdown(rawBytes, stripper, blackfridayExtensions) - return string(body), stripper.GetLinks() + buf, links := StripMarkdownBytes(rawBytes) + return string(buf), links } // StripMarkdownBytes parses markdown content by removing all markup and code blocks @@ -50,205 +46,67 @@ func StripMarkdown(rawBytes []byte) (string, []string) { func StripMarkdownBytes(rawBytes []byte) ([]byte, []string) { stripper := &MarkdownStripper{ links: make([]string, 0, 10), + empty: true, } - body := blackfriday.Markdown(rawBytes, stripper, blackfridayExtensions) - return body, stripper.GetLinks() + + parser := blackfriday.New(blackfriday.WithRenderer(stripper), blackfriday.WithExtensions(blackfridayExtensions)) + ast := parser.Parse(rawBytes) + var buf bytes.Buffer + stripper.RenderHeader(&buf, ast) + ast.Walk(func(node *blackfriday.Node, entering bool) blackfriday.WalkStatus { + return stripper.RenderNode(&buf, node, entering) + }) + stripper.RenderFooter(&buf, ast) + return buf.Bytes(), stripper.GetLinks() } -// block-level callbacks - -// BlockCode dummy function to proceed with rendering -func (r *MarkdownStripper) BlockCode(out *bytes.Buffer, text []byte, infoString string) { - // Not rendered +// RenderNode is the main rendering method. It will be called once for +// every leaf node and twice for every non-leaf node (first with +// entering=true, then with entering=false). The method should write its +// rendition of the node to the supplied writer w. +func (r *MarkdownStripper) RenderNode(w io.Writer, node *blackfriday.Node, entering bool) blackfriday.WalkStatus { + if !entering { + return blackfriday.GoToNext + } + switch node.Type { + case blackfriday.Text: + r.processString(w, node.Literal, node.Parent == nil) + return blackfriday.GoToNext + case blackfriday.Link: + r.processLink(w, node.LinkData.Destination) + r.coallesce = false + return blackfriday.SkipChildren + } r.coallesce = false + return blackfriday.GoToNext } -// BlockQuote dummy function to proceed with rendering -func (r *MarkdownStripper) BlockQuote(out *bytes.Buffer, text []byte) { - // FIXME: perhaps it's better to leave out block quote for this? - r.processString(out, text, false) +// RenderHeader is a method that allows the renderer to produce some +// content preceding the main body of the output document. +func (r *MarkdownStripper) RenderHeader(w io.Writer, ast *blackfriday.Node) { } -// BlockHtml dummy function to proceed with rendering -func (r *MarkdownStripper) BlockHtml(out *bytes.Buffer, text []byte) { //nolint - // Not rendered - r.coallesce = false +// RenderFooter is a symmetric counterpart of RenderHeader. +func (r *MarkdownStripper) RenderFooter(w io.Writer, ast *blackfriday.Node) { } -// Header dummy function to proceed with rendering -func (r *MarkdownStripper) Header(out *bytes.Buffer, text func() bool, level int, id string) { - text() - r.coallesce = false -} - -// HRule dummy function to proceed with rendering -func (r *MarkdownStripper) HRule(out *bytes.Buffer) { - // Not rendered - r.coallesce = false -} - -// List dummy function to proceed with rendering -func (r *MarkdownStripper) List(out *bytes.Buffer, text func() bool, flags int) { - text() - r.coallesce = false -} - -// ListItem dummy function to proceed with rendering -func (r *MarkdownStripper) ListItem(out *bytes.Buffer, text []byte, flags int) { - r.processString(out, text, false) -} - -// Paragraph dummy function to proceed with rendering -func (r *MarkdownStripper) Paragraph(out *bytes.Buffer, text func() bool) { - text() - r.coallesce = false -} - -// Table dummy function to proceed with rendering -func (r *MarkdownStripper) Table(out *bytes.Buffer, header []byte, body []byte, columnData []int) { - r.processString(out, header, false) - r.processString(out, body, false) -} - -// TableRow dummy function to proceed with rendering -func (r *MarkdownStripper) TableRow(out *bytes.Buffer, text []byte) { - r.processString(out, text, false) -} - -// TableHeaderCell dummy function to proceed with rendering -func (r *MarkdownStripper) TableHeaderCell(out *bytes.Buffer, text []byte, flags int) { - r.processString(out, text, false) -} - -// TableCell dummy function to proceed with rendering -func (r *MarkdownStripper) TableCell(out *bytes.Buffer, text []byte, flags int) { - r.processString(out, text, false) -} - -// Footnotes dummy function to proceed with rendering -func (r *MarkdownStripper) Footnotes(out *bytes.Buffer, text func() bool) { - text() -} - -// FootnoteItem dummy function to proceed with rendering -func (r *MarkdownStripper) FootnoteItem(out *bytes.Buffer, name, text []byte, flags int) { - r.processString(out, text, false) -} - -// TitleBlock dummy function to proceed with rendering -func (r *MarkdownStripper) TitleBlock(out *bytes.Buffer, text []byte) { - r.processString(out, text, false) -} - -// Span-level callbacks - -// AutoLink dummy function to proceed with rendering -func (r *MarkdownStripper) AutoLink(out *bytes.Buffer, link []byte, kind int) { - r.processLink(out, link, []byte{}) -} - -// CodeSpan dummy function to proceed with rendering -func (r *MarkdownStripper) CodeSpan(out *bytes.Buffer, text []byte) { - // Not rendered - r.coallesce = false -} - -// DoubleEmphasis dummy function to proceed with rendering -func (r *MarkdownStripper) DoubleEmphasis(out *bytes.Buffer, text []byte) { - r.processString(out, text, false) -} - -// Emphasis dummy function to proceed with rendering -func (r *MarkdownStripper) Emphasis(out *bytes.Buffer, text []byte) { - r.processString(out, text, false) -} - -// Image dummy function to proceed with rendering -func (r *MarkdownStripper) Image(out *bytes.Buffer, link []byte, title []byte, alt []byte) { - // Not rendered - r.coallesce = false -} - -// LineBreak dummy function to proceed with rendering -func (r *MarkdownStripper) LineBreak(out *bytes.Buffer) { - // Not rendered - r.coallesce = false -} - -// Link dummy function to proceed with rendering -func (r *MarkdownStripper) Link(out *bytes.Buffer, link []byte, title []byte, content []byte) { - r.processLink(out, link, content) -} - -// RawHtmlTag dummy function to proceed with rendering -func (r *MarkdownStripper) RawHtmlTag(out *bytes.Buffer, tag []byte) { //nolint - // Not rendered - r.coallesce = false -} - -// TripleEmphasis dummy function to proceed with rendering -func (r *MarkdownStripper) TripleEmphasis(out *bytes.Buffer, text []byte) { - r.processString(out, text, false) -} - -// StrikeThrough dummy function to proceed with rendering -func (r *MarkdownStripper) StrikeThrough(out *bytes.Buffer, text []byte) { - r.processString(out, text, false) -} - -// FootnoteRef dummy function to proceed with rendering -func (r *MarkdownStripper) FootnoteRef(out *bytes.Buffer, ref []byte, id int) { - // Not rendered - r.coallesce = false -} - -// Low-level callbacks - -// Entity dummy function to proceed with rendering -func (r *MarkdownStripper) Entity(out *bytes.Buffer, entity []byte) { - // FIXME: literal entities are not parsed; perhaps they should - r.coallesce = false -} - -// NormalText dummy function to proceed with rendering -func (r *MarkdownStripper) NormalText(out *bytes.Buffer, text []byte) { - r.processString(out, text, true) -} - -// Header and footer - -// DocumentHeader dummy function to proceed with rendering -func (r *MarkdownStripper) DocumentHeader(out *bytes.Buffer) { - r.coallesce = false -} - -// DocumentFooter dummy function to proceed with rendering -func (r *MarkdownStripper) DocumentFooter(out *bytes.Buffer) { - r.coallesce = false -} - -// GetFlags returns rendering flags -func (r *MarkdownStripper) GetFlags() int { - return 0 -} - -//revive:enable:var-naming - -func doubleSpace(out *bytes.Buffer) { - if out.Len() > 0 { - out.WriteByte('\n') +func (r *MarkdownStripper) doubleSpace(w io.Writer) { + if !r.empty { + _, _ = w.Write([]byte{'\n'}) } } -func (r *MarkdownStripper) processString(out *bytes.Buffer, text []byte, coallesce bool) { +func (r *MarkdownStripper) processString(w io.Writer, text []byte, coallesce bool) { // Always break-up words if !coallesce || !r.coallesce { - doubleSpace(out) + r.doubleSpace(w) } - out.Write(text) + _, _ = w.Write(text) r.coallesce = coallesce + r.empty = false } -func (r *MarkdownStripper) processLink(out *bytes.Buffer, link []byte, content []byte) { + +func (r *MarkdownStripper) processLink(w io.Writer, link []byte) { // Links are processed out of band r.links = append(r.links, string(link)) r.coallesce = false diff --git a/modules/markup/orgmode/orgmode.go b/modules/markup/orgmode/orgmode.go index f63155201e..54188d2734 100644 --- a/modules/markup/orgmode/orgmode.go +++ b/modules/markup/orgmode/orgmode.go @@ -5,12 +5,16 @@ package markup import ( + "bytes" + "fmt" + "html" + "strings" + "code.gitea.io/gitea/modules/log" "code.gitea.io/gitea/modules/markup" - "code.gitea.io/gitea/modules/markup/markdown" + "code.gitea.io/gitea/modules/util" - "github.com/chaseadamsio/goorgeous" - "github.com/russross/blackfriday" + "github.com/niklasfasching/go-org/org" ) func init() { @@ -32,23 +36,23 @@ func (Parser) Extensions() []string { } // Render renders orgmode rawbytes to HTML -func Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) (result []byte) { - defer func() { - if err := recover(); err != nil { - log.Error("Panic in orgmode.Render: %v Just returning the rawBytes", err) - result = rawBytes - } - }() - htmlFlags := blackfriday.HTML_USE_XHTML - htmlFlags |= blackfriday.HTML_SKIP_STYLE - htmlFlags |= blackfriday.HTML_OMIT_CONTENTS - renderer := &markdown.Renderer{ - Renderer: blackfriday.HtmlRenderer(htmlFlags, "", ""), - URLPrefix: urlPrefix, - IsWiki: isWiki, +func Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte { + htmlWriter := org.NewHTMLWriter() + + renderer := &Renderer{ + HTMLWriter: htmlWriter, + URLPrefix: urlPrefix, + IsWiki: isWiki, } - result = goorgeous.Org(rawBytes, renderer) - return + + htmlWriter.ExtendingWriter = renderer + + res, err := org.New().Silent().Parse(bytes.NewReader(rawBytes), "").Write(renderer) + if err != nil { + log.Error("Panic in orgmode.Render: %v Just returning the rawBytes", err) + return rawBytes + } + return []byte(res) } // RenderString reners orgmode string to HTML string @@ -56,7 +60,63 @@ func RenderString(rawContent string, urlPrefix string, metas map[string]string, return string(Render([]byte(rawContent), urlPrefix, metas, isWiki)) } -// Render implements markup.Parser +// Render reners orgmode string to HTML string func (Parser) Render(rawBytes []byte, urlPrefix string, metas map[string]string, isWiki bool) []byte { return Render(rawBytes, urlPrefix, metas, isWiki) } + +// Renderer implements org.Writer +type Renderer struct { + *org.HTMLWriter + URLPrefix string + IsWiki bool +} + +var byteMailto = []byte("mailto:") + +// WriteRegularLink renders images, links or videos +func (r *Renderer) WriteRegularLink(l org.RegularLink) { + link := []byte(html.EscapeString(l.URL)) + if l.Protocol == "file" { + link = link[len("file:"):] + } + if len(link) > 0 && !markup.IsLink(link) && + link[0] != '#' && !bytes.HasPrefix(link, byteMailto) { + lnk := string(link) + if r.IsWiki { + lnk = util.URLJoin("wiki", lnk) + } + link = []byte(util.URLJoin(r.URLPrefix, lnk)) + } + + description := string(link) + if l.Description != nil { + description = r.nodesAsString(l.Description...) + } + switch l.Kind() { + case "image": + r.WriteString(fmt.Sprintf(`%s`, link, description, description)) + case "video": + r.WriteString(fmt.Sprintf(``, link, description, description)) + default: + r.WriteString(fmt.Sprintf(`%s`, link, description, description)) + } +} + +func (r *Renderer) emptyClone() *Renderer { + wcopy := *(r.HTMLWriter) + wcopy.Builder = strings.Builder{} + + rcopy := *r + rcopy.HTMLWriter = &wcopy + + wcopy.ExtendingWriter = &rcopy + + return &rcopy +} + +func (r *Renderer) nodesAsString(nodes ...org.Node) string { + tmp := r.emptyClone() + org.WriteNodes(tmp, nodes...) + return tmp.String() +} diff --git a/modules/markup/orgmode/orgmode_test.go b/modules/markup/orgmode/orgmode_test.go index 3846922c25..40323912b4 100644 --- a/modules/markup/orgmode/orgmode_test.go +++ b/modules/markup/orgmode/orgmode_test.go @@ -27,12 +27,12 @@ func TestRender_StandardLinks(t *testing.T) { assert.Equal(t, strings.TrimSpace(expected), strings.TrimSpace(buffer)) } - googleRendered := `

https://google.com/

` + googleRendered := "

\nhttps://google.com/\n

" test("[[https://google.com/]]", googleRendered) lnk := util.URLJoin(AppSubURL, "WikiPage") test("[[WikiPage][WikiPage]]", - `

WikiPage

`) + "

\nWikiPage\n

") } func TestRender_Images(t *testing.T) { @@ -45,10 +45,8 @@ func TestRender_Images(t *testing.T) { } url := "../../.images/src/02/train.jpg" - title := "Train" result := util.URLJoin(AppSubURL, url) - test( - "[[file:"+url+"]["+title+"]]", - `

`+title+`

`) + test("[[file:"+url+"]]", + "

\n\""+result+"\"\n

") } diff --git a/vendor/github.com/chaseadamsio/goorgeous/.gitignore b/vendor/github.com/chaseadamsio/goorgeous/.gitignore deleted file mode 100644 index 496ee2ca6a..0000000000 --- a/vendor/github.com/chaseadamsio/goorgeous/.gitignore +++ /dev/null @@ -1 +0,0 @@ -.DS_Store \ No newline at end of file diff --git a/vendor/github.com/chaseadamsio/goorgeous/.travis.yml b/vendor/github.com/chaseadamsio/goorgeous/.travis.yml deleted file mode 100644 index 31dca02817..0000000000 --- a/vendor/github.com/chaseadamsio/goorgeous/.travis.yml +++ /dev/null @@ -1,12 +0,0 @@ -language: go - -go: - - 1.7 - -before_install: - - go get golang.org/x/tools/cmd/cover - - go get github.com/mattn/goveralls - -script: - - go test -v -covermode=count -coverprofile=coverage.out - - $HOME/gopath/bin/goveralls -coverprofile=coverage.out -service=travis-ci diff --git a/vendor/github.com/chaseadamsio/goorgeous/README.org b/vendor/github.com/chaseadamsio/goorgeous/README.org deleted file mode 100644 index 37e0f2ec73..0000000000 --- a/vendor/github.com/chaseadamsio/goorgeous/README.org +++ /dev/null @@ -1,66 +0,0 @@ -#+TITLE: chaseadamsio/goorgeous - -[[https://travis-ci.org/chaseadamsio/goorgeous.svg?branch=master]] -[[https://coveralls.io/repos/github/chaseadamsio/goorgeous/badge.svg?branch=master]] - -/goorgeous is a Go Org to HTML Parser./ - -[[file:gopher_small.gif]] - -*Pronounced: Go? Org? Yes!* - -#+BEGIN_QUOTE -"Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system." - -- [[orgmode.org]] -#+END_QUOTE - -The purpose of this package is to come as close as possible as parsing an =*.org= document into HTML, the same way one might publish [[http://orgmode.org/worg/org-tutorials/org-publish-html-tutorial.html][with org-publish-html from Emacs]]. - -* Installation - -#+BEGIN_SRC sh - go get -u github.com/chaseadamsio/goorgeous -#+END_SRC - -* Usage - -** Org Headers - -To retrieve the headers from a =[]byte=, call =OrgHeaders= and it will return a =map[string]interface{}=: - -#+BEGIN_SRC go - input := "#+title: goorgeous\n* Some Headline\n" - out := goorgeous.OrgHeaders(input) -#+END_SRC - -#+BEGIN_SRC go - map[string]interface{}{ - "title": "goorgeous" - } -#+END_SRC - -** Org Content - -After importing =github.com/chaseadamsio/goorgeous=, you can call =Org= with a =[]byte= and it will return an =html= version of the content as a =[]byte= - -#+BEGIN_SRC go - input := "#+TITLE: goorgeous\n* Some Headline\n" - out := goorgeous.Org(input) -#+END_SRC - -=out= will be: - -#+BEGIN_SRC html -

Some Headline

/n -#+END_SRC - -* Why? - -First off, I've become an unapologetic user of Emacs & ever since finding =org-mode= I use it for anything having to do with writing content, organizing my life and keeping documentation of my days/weeks/months. - -Although I like Emacs & =emacs-lisp=, I publish all of my html sites with [[https://gohugo.io][Hugo Static Site Generator]] and wanted to be able to write my content in =org-mode= in Emacs rather than markdown. - -Hugo's implementation of templating and speed are unmatched, so the only way I knew for sure I could continue to use Hugo and write in =org-mode= seamlessly was to write a golang parser for org content and submit a PR for Hugo to use it. -* Acknowledgements -I leaned heavily on russross' [[https://github.com/russross/blackfriday][blackfriday markdown renderer]] as both an example of how to write a parser (with some updates to leverage the go we know today) and reusing the blackfriday HTML Renderer so I didn't have to write my own! diff --git a/vendor/github.com/chaseadamsio/goorgeous/goorgeous.go b/vendor/github.com/chaseadamsio/goorgeous/goorgeous.go deleted file mode 100644 index f1b2671d65..0000000000 --- a/vendor/github.com/chaseadamsio/goorgeous/goorgeous.go +++ /dev/null @@ -1,803 +0,0 @@ -package goorgeous - -import ( - "bufio" - "bytes" - "regexp" - - "github.com/russross/blackfriday" - "github.com/shurcooL/sanitized_anchor_name" -) - -type inlineParser func(p *parser, out *bytes.Buffer, data []byte, offset int) int - -type footnotes struct { - id string - def string -} - -type parser struct { - r blackfriday.Renderer - inlineCallback [256]inlineParser - notes []footnotes -} - -// NewParser returns a new parser with the inlineCallbacks required for org content -func NewParser(renderer blackfriday.Renderer) *parser { - p := new(parser) - p.r = renderer - - p.inlineCallback['='] = generateVerbatim - p.inlineCallback['~'] = generateCode - p.inlineCallback['/'] = generateEmphasis - p.inlineCallback['_'] = generateUnderline - p.inlineCallback['*'] = generateBold - p.inlineCallback['+'] = generateStrikethrough - p.inlineCallback['['] = generateLinkOrImg - - return p -} - -// OrgCommon is the easiest way to parse a byte slice of org content and makes assumptions -// that the caller wants to use blackfriday's HTMLRenderer with XHTML -func OrgCommon(input []byte) []byte { - renderer := blackfriday.HtmlRenderer(blackfriday.HTML_USE_XHTML, "", "") - return OrgOptions(input, renderer) -} - -// Org is a convenience name for OrgOptions -func Org(input []byte, renderer blackfriday.Renderer) []byte { - return OrgOptions(input, renderer) -} - -// OrgOptions takes an org content byte slice and a renderer to use -func OrgOptions(input []byte, renderer blackfriday.Renderer) []byte { - // in the case that we need to render something in isEmpty but there isn't a new line char - input = append(input, '\n') - var output bytes.Buffer - - p := NewParser(renderer) - - scanner := bufio.NewScanner(bytes.NewReader(input)) - // used to capture code blocks - marker := "" - syntax := "" - listType := "" - inParagraph := false - inList := false - inTable := false - inFixedWidthArea := false - var tmpBlock bytes.Buffer - - for scanner.Scan() { - data := scanner.Bytes() - - if !isEmpty(data) && isComment(data) || IsKeyword(data) { - switch { - case inList: - if tmpBlock.Len() > 0 { - p.generateList(&output, tmpBlock.Bytes(), listType) - } - inList = false - listType = "" - tmpBlock.Reset() - case inTable: - if tmpBlock.Len() > 0 { - p.generateTable(&output, tmpBlock.Bytes()) - } - inTable = false - tmpBlock.Reset() - case inParagraph: - if tmpBlock.Len() > 0 { - p.generateParagraph(&output, tmpBlock.Bytes()[:len(tmpBlock.Bytes())-1]) - } - inParagraph = false - tmpBlock.Reset() - case inFixedWidthArea: - if tmpBlock.Len() > 0 { - tmpBlock.WriteString("\n") - output.Write(tmpBlock.Bytes()) - } - inFixedWidthArea = false - tmpBlock.Reset() - } - - } - - switch { - case isEmpty(data): - switch { - case inList: - if tmpBlock.Len() > 0 { - p.generateList(&output, tmpBlock.Bytes(), listType) - } - inList = false - listType = "" - tmpBlock.Reset() - case inTable: - if tmpBlock.Len() > 0 { - p.generateTable(&output, tmpBlock.Bytes()) - } - inTable = false - tmpBlock.Reset() - case inParagraph: - if tmpBlock.Len() > 0 { - p.generateParagraph(&output, tmpBlock.Bytes()[:len(tmpBlock.Bytes())-1]) - } - inParagraph = false - tmpBlock.Reset() - case inFixedWidthArea: - if tmpBlock.Len() > 0 { - tmpBlock.WriteString("\n") - output.Write(tmpBlock.Bytes()) - } - inFixedWidthArea = false - tmpBlock.Reset() - case marker != "": - tmpBlock.WriteByte('\n') - default: - continue - } - case isPropertyDrawer(data) || marker == "PROPERTIES": - if marker == "" { - marker = "PROPERTIES" - } - if bytes.Equal(data, []byte(":END:")) { - marker = "" - } - continue - case isBlock(data) || marker != "": - matches := reBlock.FindSubmatch(data) - if len(matches) > 0 { - if string(matches[1]) == "END" { - switch marker { - case "QUOTE": - var tmpBuf bytes.Buffer - p.inline(&tmpBuf, tmpBlock.Bytes()) - p.r.BlockQuote(&output, tmpBuf.Bytes()) - case "CENTER": - var tmpBuf bytes.Buffer - output.WriteString("
\n") - p.inline(&tmpBuf, tmpBlock.Bytes()) - output.Write(tmpBuf.Bytes()) - output.WriteString("
\n") - default: - tmpBlock.WriteByte('\n') - p.r.BlockCode(&output, tmpBlock.Bytes(), syntax) - } - marker = "" - tmpBlock.Reset() - continue - } - - } - if marker != "" { - if marker != "SRC" && marker != "EXAMPLE" { - var tmpBuf bytes.Buffer - tmpBuf.Write([]byte("

\n")) - p.inline(&tmpBuf, data) - tmpBuf.WriteByte('\n') - tmpBuf.Write([]byte("

\n")) - tmpBlock.Write(tmpBuf.Bytes()) - - } else { - tmpBlock.WriteByte('\n') - tmpBlock.Write(data) - } - - } else { - marker = string(matches[2]) - syntax = string(matches[3]) - } - case isFootnoteDef(data): - matches := reFootnoteDef.FindSubmatch(data) - for i := range p.notes { - if p.notes[i].id == string(matches[1]) { - p.notes[i].def = string(matches[2]) - } - } - case isTable(data): - if inTable != true { - inTable = true - } - tmpBlock.Write(data) - tmpBlock.WriteByte('\n') - case IsKeyword(data): - continue - case isComment(data): - p.generateComment(&output, data) - case isHeadline(data): - p.generateHeadline(&output, data) - case isDefinitionList(data): - if inList != true { - listType = "dl" - inList = true - } - var work bytes.Buffer - flags := blackfriday.LIST_TYPE_DEFINITION - matches := reDefinitionList.FindSubmatch(data) - flags |= blackfriday.LIST_TYPE_TERM - p.inline(&work, matches[1]) - p.r.ListItem(&tmpBlock, work.Bytes(), flags) - work.Reset() - flags &= ^blackfriday.LIST_TYPE_TERM - p.inline(&work, matches[2]) - p.r.ListItem(&tmpBlock, work.Bytes(), flags) - case isUnorderedList(data): - if inList != true { - listType = "ul" - inList = true - } - matches := reUnorderedList.FindSubmatch(data) - var work bytes.Buffer - p.inline(&work, matches[2]) - p.r.ListItem(&tmpBlock, work.Bytes(), 0) - case isOrderedList(data): - if inList != true { - listType = "ol" - inList = true - } - matches := reOrderedList.FindSubmatch(data) - var work bytes.Buffer - tmpBlock.WriteString(" 0 { - tmpBlock.WriteString(" value=\"") - tmpBlock.Write(matches[2]) - tmpBlock.WriteString("\"") - matches[3] = matches[3][1:] - } - p.inline(&work, matches[3]) - tmpBlock.WriteString(">") - tmpBlock.Write(work.Bytes()) - tmpBlock.WriteString("\n") - case isHorizontalRule(data): - p.r.HRule(&output) - case isExampleLine(data): - if inParagraph == true { - if len(tmpBlock.Bytes()) > 0 { - p.generateParagraph(&output, tmpBlock.Bytes()[:len(tmpBlock.Bytes())-1]) - inParagraph = false - } - tmpBlock.Reset() - } - if inFixedWidthArea != true { - tmpBlock.WriteString("
\n")
-				inFixedWidthArea = true
-			}
-			matches := reExampleLine.FindSubmatch(data)
-			tmpBlock.Write(matches[1])
-			tmpBlock.WriteString("\n")
-			break
-		default:
-			if inParagraph == false {
-				inParagraph = true
-				if inFixedWidthArea == true {
-					if tmpBlock.Len() > 0 {
-						tmpBlock.WriteString("
") - output.Write(tmpBlock.Bytes()) - } - inFixedWidthArea = false - tmpBlock.Reset() - } - } - tmpBlock.Write(data) - tmpBlock.WriteByte('\n') - } - } - - if len(tmpBlock.Bytes()) > 0 { - if inParagraph == true { - p.generateParagraph(&output, tmpBlock.Bytes()[:len(tmpBlock.Bytes())-1]) - } else if inFixedWidthArea == true { - tmpBlock.WriteString("\n") - output.Write(tmpBlock.Bytes()) - } - } - - // Writing footnote def. list - if len(p.notes) > 0 { - flags := blackfriday.LIST_ITEM_BEGINNING_OF_LIST - p.r.Footnotes(&output, func() bool { - for i := range p.notes { - p.r.FootnoteItem(&output, []byte(p.notes[i].id), []byte(p.notes[i].def), flags) - } - return true - }) - } - - return output.Bytes() -} - -// Org Syntax has been broken up into 4 distinct sections based on -// the org-syntax draft (http://orgmode.org/worg/dev/org-syntax.html): -// - Headlines -// - Greater Elements -// - Elements -// - Objects - -// Headlines -func isHeadline(data []byte) bool { - if !charMatches(data[0], '*') { - return false - } - level := 0 - for level < 6 && charMatches(data[level], '*') { - level++ - } - return charMatches(data[level], ' ') -} - -func (p *parser) generateHeadline(out *bytes.Buffer, data []byte) { - level := 1 - status := "" - priority := "" - - for level < 6 && data[level] == '*' { - level++ - } - - start := skipChar(data, level, ' ') - - data = data[start:] - i := 0 - - // Check if has a status so it can be rendered as a separate span that can be hidden or - // modified with CSS classes - if hasStatus(data[i:4]) { - status = string(data[i:4]) - i += 5 // one extra character for the next whitespace - } - - // Check if the next byte is a priority marker - if data[i] == '[' && hasPriority(data[i+1]) { - priority = string(data[i+1]) - i += 4 // for "[c]" + ' ' - } - - tags, tagsFound := findTags(data, i) - - headlineID := sanitized_anchor_name.Create(string(data[i:])) - - generate := func() bool { - dataEnd := len(data) - if tagsFound > 0 { - dataEnd = tagsFound - } - - headline := bytes.TrimRight(data[i:dataEnd], " \t") - - if status != "" { - out.WriteString("" + status + "") - out.WriteByte(' ') - } - - if priority != "" { - out.WriteString("[" + priority + "]") - out.WriteByte(' ') - } - - p.inline(out, headline) - - if tagsFound > 0 { - for _, tag := range tags { - out.WriteByte(' ') - out.WriteString("" + tag + "") - out.WriteByte(' ') - } - } - return true - } - - p.r.Header(out, generate, level, headlineID) -} - -func hasStatus(data []byte) bool { - return bytes.Contains(data, []byte("TODO")) || bytes.Contains(data, []byte("DONE")) -} - -func hasPriority(char byte) bool { - return (charMatches(char, 'A') || charMatches(char, 'B') || charMatches(char, 'C')) -} - -func findTags(data []byte, start int) ([]string, int) { - tags := []string{} - tagOpener := 0 - tagMarker := tagOpener - for tIdx := start; tIdx < len(data); tIdx++ { - if tagMarker > 0 && data[tIdx] == ':' { - tags = append(tags, string(data[tagMarker+1:tIdx])) - tagMarker = tIdx - } - if data[tIdx] == ':' && tagOpener == 0 && data[tIdx-1] == ' ' { - tagMarker = tIdx - tagOpener = tIdx - } - } - return tags, tagOpener -} - -// Greater Elements -// ~~ Definition Lists -var reDefinitionList = regexp.MustCompile(`^\s*-\s+(.+?)\s+::\s+(.*)`) - -func isDefinitionList(data []byte) bool { - return reDefinitionList.Match(data) -} - -// ~~ Example lines -var reExampleLine = regexp.MustCompile(`^\s*:\s(\s*.*)|^\s*:$`) - -func isExampleLine(data []byte) bool { - return reExampleLine.Match(data) -} - -// ~~ Ordered Lists -var reOrderedList = regexp.MustCompile(`^(\s*)\d+\.\s+\[?@?(\d*)\]?(.+)`) - -func isOrderedList(data []byte) bool { - return reOrderedList.Match(data) -} - -// ~~ Unordered Lists -var reUnorderedList = regexp.MustCompile(`^(\s*)[-\+]\s+(.+)`) - -func isUnorderedList(data []byte) bool { - return reUnorderedList.Match(data) -} - -// ~~ Tables -var reTableHeaders = regexp.MustCompile(`^[|+-]*$`) - -func isTable(data []byte) bool { - return charMatches(data[0], '|') -} - -func (p *parser) generateTable(output *bytes.Buffer, data []byte) { - var table bytes.Buffer - rows := bytes.Split(bytes.Trim(data, "\n"), []byte("\n")) - hasTableHeaders := len(rows) > 1 - if len(rows) > 1 { - hasTableHeaders = reTableHeaders.Match(rows[1]) - } - tbodySet := false - - for idx, row := range rows { - var rowBuff bytes.Buffer - if hasTableHeaders && idx == 0 { - table.WriteString("") - for _, cell := range bytes.Split(row[1:len(row)-1], []byte("|")) { - p.r.TableHeaderCell(&rowBuff, bytes.Trim(cell, " \t"), 0) - } - p.r.TableRow(&table, rowBuff.Bytes()) - table.WriteString("\n") - } else if hasTableHeaders && idx == 1 { - continue - } else { - if !tbodySet { - table.WriteString("") - tbodySet = true - } - if !reTableHeaders.Match(row) { - for _, cell := range bytes.Split(row[1:len(row)-1], []byte("|")) { - var cellBuff bytes.Buffer - p.inline(&cellBuff, bytes.Trim(cell, " \t")) - p.r.TableCell(&rowBuff, cellBuff.Bytes(), 0) - } - p.r.TableRow(&table, rowBuff.Bytes()) - } - if tbodySet && idx == len(rows)-1 { - table.WriteString("\n") - tbodySet = false - } - } - } - - output.WriteString("\n\n") - output.Write(table.Bytes()) - output.WriteString("
\n") -} - -// ~~ Property Drawers - -func isPropertyDrawer(data []byte) bool { - return bytes.Equal(data, []byte(":PROPERTIES:")) -} - -// ~~ Dynamic Blocks -var reBlock = regexp.MustCompile(`^#\+(BEGIN|END)_(\w+)\s*([0-9A-Za-z_\-]*)?`) - -func isBlock(data []byte) bool { - return reBlock.Match(data) -} - -// ~~ Footnotes -var reFootnoteDef = regexp.MustCompile(`^\[fn:([\w]+)\] +(.+)`) - -func isFootnoteDef(data []byte) bool { - return reFootnoteDef.Match(data) -} - -// Elements -// ~~ Keywords -func IsKeyword(data []byte) bool { - return len(data) > 2 && charMatches(data[0], '#') && charMatches(data[1], '+') && !charMatches(data[2], ' ') -} - -// ~~ Comments -func isComment(data []byte) bool { - return charMatches(data[0], '#') && charMatches(data[1], ' ') -} - -func (p *parser) generateComment(out *bytes.Buffer, data []byte) { - var work bytes.Buffer - work.WriteString("") - work.WriteByte('\n') - out.Write(work.Bytes()) -} - -// ~~ Horizontal Rules -var reHorizontalRule = regexp.MustCompile(`^\s*?-----\s?$`) - -func isHorizontalRule(data []byte) bool { - return reHorizontalRule.Match(data) -} - -// ~~ Paragraphs -func (p *parser) generateParagraph(out *bytes.Buffer, data []byte) { - generate := func() bool { - p.inline(out, bytes.Trim(data, " ")) - return true - } - p.r.Paragraph(out, generate) -} - -func (p *parser) generateList(output *bytes.Buffer, data []byte, listType string) { - generateList := func() bool { - output.WriteByte('\n') - p.inline(output, bytes.Trim(data, " ")) - return true - } - switch listType { - case "ul": - p.r.List(output, generateList, 0) - case "ol": - p.r.List(output, generateList, blackfriday.LIST_TYPE_ORDERED) - case "dl": - p.r.List(output, generateList, blackfriday.LIST_TYPE_DEFINITION) - } -} - -// Objects - -func (p *parser) inline(out *bytes.Buffer, data []byte) { - i, end := 0, 0 - - for i < len(data) { - for end < len(data) && p.inlineCallback[data[end]] == nil { - end++ - } - - p.r.Entity(out, data[i:end]) - - if end >= len(data) { - break - } - i = end - - handler := p.inlineCallback[data[i]] - - if consumed := handler(p, out, data, i); consumed > 0 { - i += consumed - end = i - continue - } - - end = i + 1 - } -} - -func isAcceptablePreOpeningChar(dataIn, data []byte, offset int) bool { - if len(dataIn) == len(data) { - return true - } - - char := dataIn[offset-1] - return charMatches(char, ' ') || isPreChar(char) -} - -func isPreChar(char byte) bool { - return charMatches(char, '>') || charMatches(char, '(') || charMatches(char, '{') || charMatches(char, '[') -} - -func isAcceptablePostClosingChar(char byte) bool { - return charMatches(char, ' ') || isTerminatingChar(char) -} - -func isTerminatingChar(char byte) bool { - return charMatches(char, '.') || charMatches(char, ',') || charMatches(char, '?') || charMatches(char, '!') || charMatches(char, ')') || charMatches(char, '}') || charMatches(char, ']') -} - -func findLastCharInInline(data []byte, char byte) int { - timesFound := 0 - last := 0 - // Start from character after the inline indicator - for i := 1; i < len(data); i++ { - if timesFound == 1 { - break - } - if data[i] == char { - if len(data) == i+1 || (len(data) > i+1 && isAcceptablePostClosingChar(data[i+1])) { - last = i - timesFound += 1 - } - } - } - return last -} - -func generator(p *parser, out *bytes.Buffer, dataIn []byte, offset int, char byte, doInline bool, renderer func(*bytes.Buffer, []byte)) int { - data := dataIn[offset:] - c := byte(char) - start := 1 - i := start - if len(data) <= 1 { - return 0 - } - - lastCharInside := findLastCharInInline(data, c) - - // Org mode spec says a non-whitespace character must immediately follow. - // if the current char is the marker, then there's no text between, not a candidate - if isSpace(data[i]) || lastCharInside == i || !isAcceptablePreOpeningChar(dataIn, data, offset) { - return 0 - } - - if lastCharInside > 0 { - var work bytes.Buffer - if doInline { - p.inline(&work, data[start:lastCharInside]) - renderer(out, work.Bytes()) - } else { - renderer(out, data[start:lastCharInside]) - } - next := lastCharInside + 1 - return next - } - - return 0 -} - -// ~~ Text Markup -func generateVerbatim(p *parser, out *bytes.Buffer, data []byte, offset int) int { - return generator(p, out, data, offset, '=', false, p.r.CodeSpan) -} - -func generateCode(p *parser, out *bytes.Buffer, data []byte, offset int) int { - return generator(p, out, data, offset, '~', false, p.r.CodeSpan) -} - -func generateEmphasis(p *parser, out *bytes.Buffer, data []byte, offset int) int { - return generator(p, out, data, offset, '/', true, p.r.Emphasis) -} - -func generateUnderline(p *parser, out *bytes.Buffer, data []byte, offset int) int { - underline := func(out *bytes.Buffer, text []byte) { - out.WriteString("") - out.Write(text) - out.WriteString("") - } - - return generator(p, out, data, offset, '_', true, underline) -} - -func generateBold(p *parser, out *bytes.Buffer, data []byte, offset int) int { - return generator(p, out, data, offset, '*', true, p.r.DoubleEmphasis) -} - -func generateStrikethrough(p *parser, out *bytes.Buffer, data []byte, offset int) int { - return generator(p, out, data, offset, '+', true, p.r.StrikeThrough) -} - -// ~~ Images and Links (inc. Footnote) -var reLinkOrImg = regexp.MustCompile(`\[\[(.+?)\]\[?(.*?)\]?\]`) - -func generateLinkOrImg(p *parser, out *bytes.Buffer, data []byte, offset int) int { - data = data[offset+1:] - start := 1 - i := start - var hyperlink []byte - isImage := false - isFootnote := false - closedLink := false - hasContent := false - - if bytes.Equal(data[0:3], []byte("fn:")) { - isFootnote = true - } else if data[0] != '[' { - return 0 - } - - if bytes.Equal(data[1:6], []byte("file:")) { - isImage = true - } - - for i < len(data) { - currChar := data[i] - switch { - case charMatches(currChar, ']') && closedLink == false: - if isImage { - hyperlink = data[start+5 : i] - } else if isFootnote { - refid := data[start+2 : i] - if bytes.Equal(refid, bytes.Trim(refid, " ")) { - p.notes = append(p.notes, footnotes{string(refid), "DEFINITION NOT FOUND"}) - p.r.FootnoteRef(out, refid, len(p.notes)) - return i + 2 - } else { - return 0 - } - } else if bytes.Equal(data[i-4:i], []byte(".org")) { - orgStart := start - if bytes.Equal(data[orgStart:orgStart+2], []byte("./")) { - orgStart = orgStart + 1 - } - hyperlink = data[orgStart : i-4] - } else { - hyperlink = data[start:i] - } - closedLink = true - case charMatches(currChar, '['): - start = i + 1 - hasContent = true - case charMatches(currChar, ']') && closedLink == true && hasContent == true && isImage == true: - p.r.Image(out, hyperlink, data[start:i], data[start:i]) - return i + 3 - case charMatches(currChar, ']') && closedLink == true && hasContent == true: - var tmpBuf bytes.Buffer - p.inline(&tmpBuf, data[start:i]) - p.r.Link(out, hyperlink, tmpBuf.Bytes(), tmpBuf.Bytes()) - return i + 3 - case charMatches(currChar, ']') && closedLink == true && hasContent == false && isImage == true: - p.r.Image(out, hyperlink, hyperlink, hyperlink) - return i + 2 - case charMatches(currChar, ']') && closedLink == true && hasContent == false: - p.r.Link(out, hyperlink, hyperlink, hyperlink) - return i + 2 - } - i++ - } - - return 0 -} - -// Helpers -func skipChar(data []byte, start int, char byte) int { - i := start - for i < len(data) && charMatches(data[i], char) { - i++ - } - return i -} - -func isSpace(char byte) bool { - return charMatches(char, ' ') -} - -func isEmpty(data []byte) bool { - if len(data) == 0 { - return true - } - - for i := 0; i < len(data) && !charMatches(data[i], '\n'); i++ { - if !charMatches(data[i], ' ') && !charMatches(data[i], '\t') { - return false - } - } - return true -} - -func charMatches(a byte, b byte) bool { - return a == b -} diff --git a/vendor/github.com/chaseadamsio/goorgeous/gopher.gif b/vendor/github.com/chaseadamsio/goorgeous/gopher.gif deleted file mode 100644 index be7567e3cfd666ee40c56b1d808f97116c092053..0000000000000000000000000000000000000000 GIT binary patch literal 0 HcmV?d00001 literal 15232 zcmeHNRZ|-buuVdM;3+Nvf;$BYMG7>yyA&(Mo#I*~L4yaU6nA&G1}Ow(L!BBLX@(?q_Og4Fw#M8{_u!Xn@> zB+0ANSSUSAfl1hs3(@-)TAk)2AuXPiM(SMDlV40`=4mxt8ASmF%Bjk$8mS*19AIP| 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zmNVH_1j++i{*3k$kU!${5?mY3Kl-^P^FZkX*AIOzI`hRTr(Tz7=+9lBk?m`z zOem>|ewY|2@oC+afutPS^Y~WwIV0&rW}3dq^K0jK+f6FP{j32U)|rdrhmxT3WTwmb30ivbz$BwBx6@p-I!V`k zPrJC9s^@JC;Xqwj9I2IXt_=(0qA z6(T&xu4`_HRvvO|Crf;~>$%}D93ZQ@0p00Uww|0B;g>kIW|I%~=AkDw%j z0BGgzMA9b>9+j(q-bJyt9OahxW`mK~aPa+d9+)~jcsun6-Z7OlUHq0{!=ZbSR5|JK zrgm~5D%JcXe`;cktH#yAeAE0M+9;vo&cw}bT;MS*pp%ds*7~RHnog&*`2nY}`bhn! zxR4%gY-0j7AJb@_vQ$-j!Xl4?uPex(Rlkupjep+*ZNYxN&cLeRBLK|n^oWYh0t_?- zQh%Ivm}&-)XG|Zsdi*c7t6fEs{n2DgF8pDmjg85m05oiGC(j2(mPXIMH29H#0)Bg6 zY>ub(rX;s|Li)~gVI|;^Q@o9VK5oMyK+=9XSpomm4_} +Copyright (c) 2018 Niklas Fasching Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal diff --git a/vendor/github.com/niklasfasching/go-org/org/block.go b/vendor/github.com/niklasfasching/go-org/org/block.go new file mode 100644 index 0000000000..0e7a526243 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/block.go @@ -0,0 +1,84 @@ +package org + +import ( + "regexp" + "strings" + "unicode" +) + +type Block struct { + Name string + Parameters []string + Children []Node +} + +type Example struct { + Children []Node +} + +var exampleLineRegexp = regexp.MustCompile(`^(\s*):(\s(.*)|\s*$)`) +var beginBlockRegexp = regexp.MustCompile(`(?i)^(\s*)#\+BEGIN_(\w+)(.*)`) +var endBlockRegexp = regexp.MustCompile(`(?i)^(\s*)#\+END_(\w+)`) + +func lexBlock(line string) (token, bool) { + if m := beginBlockRegexp.FindStringSubmatch(line); m != nil { + return token{"beginBlock", len(m[1]), strings.ToUpper(m[2]), m}, true + } else if m := endBlockRegexp.FindStringSubmatch(line); m != nil { + return token{"endBlock", len(m[1]), strings.ToUpper(m[2]), m}, true + } + return nilToken, false +} + +func lexExample(line string) (token, bool) { + if m := exampleLineRegexp.FindStringSubmatch(line); m != nil { + return token{"example", len(m[1]), m[3], m}, true + } + return nilToken, false +} + +func isRawTextBlock(name string) bool { return name == "SRC" || name == "EXAMPLE" || name == "EXPORT" } + +func (d *Document) parseBlock(i int, parentStop stopFn) (int, Node) { + t, start := d.tokens[i], i + name, parameters := t.content, strings.Fields(t.matches[3]) + trim := trimIndentUpTo(d.tokens[i].lvl) + stop := func(d *Document, i int) bool { + return i >= len(d.tokens) || (d.tokens[i].kind == "endBlock" && d.tokens[i].content == name) + } + block, i := Block{name, parameters, nil}, i+1 + if isRawTextBlock(name) { + rawText := "" + for ; !stop(d, i); i++ { + rawText += trim(d.tokens[i].matches[0]) + "\n" + } + block.Children = d.parseRawInline(rawText) + } else { + consumed, nodes := d.parseMany(i, stop) + block.Children = nodes + i += consumed + } + if i < len(d.tokens) && d.tokens[i].kind == "endBlock" && d.tokens[i].content == name { + return i + 1 - start, block + } + return 0, nil +} + +func (d *Document) parseExample(i int, parentStop stopFn) (int, Node) { + example, start := Example{}, i + for ; !parentStop(d, i) && d.tokens[i].kind == "example"; i++ { + example.Children = append(example.Children, Text{d.tokens[i].content, true}) + } + return i - start, example +} + +func trimIndentUpTo(max int) func(string) string { + return func(line string) string { + i := 0 + for ; i < len(line) && i < max && unicode.IsSpace(rune(line[i])); i++ { + } + return line[i:] + } +} + +func (n Example) String() string { return orgWriter.nodesAsString(n) } +func (n Block) String() string { return orgWriter.nodesAsString(n) } diff --git a/vendor/github.com/niklasfasching/go-org/org/document.go b/vendor/github.com/niklasfasching/go-org/org/document.go new file mode 100644 index 0000000000..e43eb626db --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/document.go @@ -0,0 +1,260 @@ +// Package org is an Org mode syntax processor. +// +// It parses plain text into an AST and can export it as HTML or pretty printed Org mode syntax. +// Further export formats can be defined using the Writer interface. +// +// You probably want to start with something like this: +// input := strings.NewReader("Your Org mode input") +// html, err := org.New().Parse(input, "./").Write(org.NewHTMLWriter()) +// if err != nil { +// log.Fatalf("Something went wrong: %s", err) +// } +// log.Print(html) +package org + +import ( + "bufio" + "fmt" + "io" + "io/ioutil" + "log" + "os" + "strings" +) + +type Configuration struct { + MaxEmphasisNewLines int // Maximum number of newlines inside an emphasis. See org-emphasis-regexp-components newline. + AutoLink bool // Try to convert text passages that look like hyperlinks into hyperlinks. + DefaultSettings map[string]string // Default values for settings that are overriden by setting the same key in BufferSettings. + Log *log.Logger // Log is used to print warnings during parsing. + ReadFile func(filename string) ([]byte, error) // ReadFile is used to read e.g. #+INCLUDE files. +} + +// Document contains the parsing results and a pointer to the Configuration. +type Document struct { + *Configuration + Path string // Path of the file containing the parse input - used to resolve relative paths during parsing (e.g. INCLUDE). + tokens []token + Nodes []Node + NamedNodes map[string]Node + Outline Outline // Outline is a Table Of Contents for the document and contains all sections (headline + content). + BufferSettings map[string]string // Settings contains all settings that were parsed from keywords. + Error error +} + +// Node represents a parsed node of the document. +type Node interface { + String() string // String returns the pretty printed Org mode string for the node (see OrgWriter). +} + +type lexFn = func(line string) (t token, ok bool) +type parseFn = func(*Document, int, stopFn) (int, Node) +type stopFn = func(*Document, int) bool + +type token struct { + kind string + lvl int + content string + matches []string +} + +var lexFns = []lexFn{ + lexHeadline, + lexDrawer, + lexBlock, + lexList, + lexTable, + lexHorizontalRule, + lexKeywordOrComment, + lexFootnoteDefinition, + lexExample, + lexText, +} + +var nilToken = token{"nil", -1, "", nil} +var orgWriter = NewOrgWriter() + +// New returns a new Configuration with (hopefully) sane defaults. +func New() *Configuration { + return &Configuration{ + AutoLink: true, + MaxEmphasisNewLines: 1, + DefaultSettings: map[string]string{ + "TODO": "TODO | DONE", + "EXCLUDE_TAGS": "noexport", + "OPTIONS": "toc:t <:t e:t f:t pri:t todo:t tags:t", + }, + Log: log.New(os.Stderr, "go-org: ", 0), + ReadFile: ioutil.ReadFile, + } +} + +// String returns the pretty printed Org mode string for the given nodes (see OrgWriter). +func String(nodes []Node) string { return orgWriter.nodesAsString(nodes...) } + +// Write is called after with an instance of the Writer interface to export a parsed Document into another format. +func (d *Document) Write(w Writer) (out string, err error) { + defer func() { + if recovered := recover(); recovered != nil { + err = fmt.Errorf("could not write output: %s", recovered) + } + }() + if d.Error != nil { + return "", d.Error + } else if d.Nodes == nil { + return "", fmt.Errorf("could not write output: parse was not called") + } + w.Before(d) + WriteNodes(w, d.Nodes...) + w.After(d) + return w.String(), err +} + +// Parse parses the input into an AST (and some other helpful fields like Outline). +// To allow method chaining, errors are stored in document.Error rather than being returned. +func (c *Configuration) Parse(input io.Reader, path string) (d *Document) { + outlineSection := &Section{} + d = &Document{ + Configuration: c, + Outline: Outline{outlineSection, outlineSection, 0}, + BufferSettings: map[string]string{}, + NamedNodes: map[string]Node{}, + Path: path, + } + defer func() { + if recovered := recover(); recovered != nil { + d.Error = fmt.Errorf("could not parse input: %v", recovered) + } + }() + if d.tokens != nil { + d.Error = fmt.Errorf("parse was called multiple times") + } + d.tokenize(input) + _, nodes := d.parseMany(0, func(d *Document, i int) bool { return i >= len(d.tokens) }) + d.Nodes = nodes + return d +} + +// Silent disables all logging of warnings during parsing. +func (c *Configuration) Silent() *Configuration { + c.Log = log.New(ioutil.Discard, "", 0) + return c +} + +func (d *Document) tokenize(input io.Reader) { + d.tokens = []token{} + scanner := bufio.NewScanner(input) + for scanner.Scan() { + d.tokens = append(d.tokens, tokenize(scanner.Text())) + } + if err := scanner.Err(); err != nil { + d.Error = fmt.Errorf("could not tokenize input: %s", err) + } +} + +// Get returns the value for key in BufferSettings or DefaultSettings if key does not exist in the former +func (d *Document) Get(key string) string { + if v, ok := d.BufferSettings[key]; ok { + return v + } + if v, ok := d.DefaultSettings[key]; ok { + return v + } + return "" +} + +// GetOption returns the value associated to the export option key +// Currently supported options: +// - < (export timestamps) +// - e (export org entities) +// - f (export footnotes) +// - toc (export table of content) +// - todo (export headline todo status) +// - pri (export headline priority) +// - tags (export headline tags) +// see https://orgmode.org/manual/Export-settings.html for more information +func (d *Document) GetOption(key string) bool { + get := func(settings map[string]string) string { + for _, field := range strings.Fields(settings["OPTIONS"]) { + if strings.HasPrefix(field, key+":") { + return field[len(key)+1:] + } + } + return "" + } + value := get(d.BufferSettings) + if value == "" { + value = get(d.DefaultSettings) + } + switch value { + case "t": + return true + case "nil": + return false + default: + d.Log.Printf("Bad value for export option %s (%s)", key, value) + return false + } +} + +func (d *Document) parseOne(i int, stop stopFn) (consumed int, node Node) { + switch d.tokens[i].kind { + case "unorderedList", "orderedList": + consumed, node = d.parseList(i, stop) + case "tableRow", "tableSeparator": + consumed, node = d.parseTable(i, stop) + case "beginBlock": + consumed, node = d.parseBlock(i, stop) + case "beginDrawer": + consumed, node = d.parseDrawer(i, stop) + case "text": + consumed, node = d.parseParagraph(i, stop) + case "example": + consumed, node = d.parseExample(i, stop) + case "horizontalRule": + consumed, node = d.parseHorizontalRule(i, stop) + case "comment": + consumed, node = d.parseComment(i, stop) + case "keyword": + consumed, node = d.parseKeyword(i, stop) + case "headline": + consumed, node = d.parseHeadline(i, stop) + case "footnoteDefinition": + consumed, node = d.parseFootnoteDefinition(i, stop) + } + + if consumed != 0 { + return consumed, node + } + d.Log.Printf("Could not parse token %#v: Falling back to treating it as plain text.", d.tokens[i]) + m := plainTextRegexp.FindStringSubmatch(d.tokens[i].matches[0]) + d.tokens[i] = token{"text", len(m[1]), m[2], m} + return d.parseOne(i, stop) +} + +func (d *Document) parseMany(i int, stop stopFn) (int, []Node) { + start, nodes := i, []Node{} + for i < len(d.tokens) && !stop(d, i) { + consumed, node := d.parseOne(i, stop) + i += consumed + nodes = append(nodes, node) + } + return i - start, nodes +} + +func (d *Document) addHeadline(headline *Headline) int { + current := &Section{Headline: headline} + d.Outline.last.add(current) + d.Outline.count++ + d.Outline.last = current + return d.Outline.count +} + +func tokenize(line string) token { + for _, lexFn := range lexFns { + if token, ok := lexFn(line); ok { + return token + } + } + panic(fmt.Sprintf("could not lex line: %s", line)) +} diff --git a/vendor/github.com/niklasfasching/go-org/org/drawer.go b/vendor/github.com/niklasfasching/go-org/org/drawer.go new file mode 100644 index 0000000000..8bb9974380 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/drawer.go @@ -0,0 +1,97 @@ +package org + +import ( + "regexp" + "strings" +) + +type Drawer struct { + Name string + Children []Node +} + +type PropertyDrawer struct { + Properties [][]string +} + +var beginDrawerRegexp = regexp.MustCompile(`^(\s*):(\S+):\s*$`) +var endDrawerRegexp = regexp.MustCompile(`^(\s*):END:\s*$`) +var propertyRegexp = regexp.MustCompile(`^(\s*):(\S+):(\s+(.*)$|$)`) + +func lexDrawer(line string) (token, bool) { + if m := endDrawerRegexp.FindStringSubmatch(line); m != nil { + return token{"endDrawer", len(m[1]), "", m}, true + } else if m := beginDrawerRegexp.FindStringSubmatch(line); m != nil { + return token{"beginDrawer", len(m[1]), strings.ToUpper(m[2]), m}, true + } + return nilToken, false +} + +func (d *Document) parseDrawer(i int, parentStop stopFn) (int, Node) { + name := strings.ToUpper(d.tokens[i].content) + if name == "PROPERTIES" { + return d.parsePropertyDrawer(i, parentStop) + } + drawer, start := Drawer{Name: name}, i + i++ + stop := func(d *Document, i int) bool { + if parentStop(d, i) { + return true + } + kind := d.tokens[i].kind + return kind == "beginDrawer" || kind == "endDrawer" || kind == "headline" + } + for { + consumed, nodes := d.parseMany(i, stop) + i += consumed + drawer.Children = append(drawer.Children, nodes...) + if i < len(d.tokens) && d.tokens[i].kind == "beginDrawer" { + p := Paragraph{[]Node{Text{":" + d.tokens[i].content + ":", false}}} + drawer.Children = append(drawer.Children, p) + i++ + } else { + break + } + } + if i < len(d.tokens) && d.tokens[i].kind == "endDrawer" { + i++ + } + return i - start, drawer +} + +func (d *Document) parsePropertyDrawer(i int, parentStop stopFn) (int, Node) { + drawer, start := PropertyDrawer{}, i + i++ + stop := func(d *Document, i int) bool { + return parentStop(d, i) || (d.tokens[i].kind != "text" && d.tokens[i].kind != "beginDrawer") + } + for ; !stop(d, i); i++ { + m := propertyRegexp.FindStringSubmatch(d.tokens[i].matches[0]) + if m == nil { + return 0, nil + } + k, v := strings.ToUpper(m[2]), strings.TrimSpace(m[4]) + drawer.Properties = append(drawer.Properties, []string{k, v}) + } + if i < len(d.tokens) && d.tokens[i].kind == "endDrawer" { + i++ + } else { + return 0, nil + } + return i - start, drawer +} + +func (d *PropertyDrawer) Get(key string) (string, bool) { + if d == nil { + return "", false + } + for _, kvPair := range d.Properties { + if kvPair[0] == key { + return kvPair[1], true + } + } + return "", false +} + +func (n Drawer) String() string { return orgWriter.nodesAsString(n) } +func (n PropertyDrawer) String() string { return orgWriter.nodesAsString(n) } diff --git a/vendor/github.com/niklasfasching/go-org/org/footnote.go b/vendor/github.com/niklasfasching/go-org/org/footnote.go new file mode 100644 index 0000000000..660e244386 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/footnote.go @@ -0,0 +1,35 @@ +package org + +import ( + "regexp" +) + +type FootnoteDefinition struct { + Name string + Children []Node + Inline bool +} + +var footnoteDefinitionRegexp = regexp.MustCompile(`^\[fn:([\w-]+)\](\s+(.+)|\s*$)`) + +func lexFootnoteDefinition(line string) (token, bool) { + if m := footnoteDefinitionRegexp.FindStringSubmatch(line); m != nil { + return token{"footnoteDefinition", 0, m[1], m}, true + } + return nilToken, false +} + +func (d *Document) parseFootnoteDefinition(i int, parentStop stopFn) (int, Node) { + start, name := i, d.tokens[i].content + d.tokens[i] = tokenize(d.tokens[i].matches[2]) + stop := func(d *Document, i int) bool { + return parentStop(d, i) || + (isSecondBlankLine(d, i) && i > start+1) || + d.tokens[i].kind == "headline" || d.tokens[i].kind == "footnoteDefinition" + } + consumed, nodes := d.parseMany(i, stop) + definition := FootnoteDefinition{name, nodes, false} + return consumed, definition +} + +func (n FootnoteDefinition) String() string { return orgWriter.nodesAsString(n) } diff --git a/vendor/github.com/niklasfasching/go-org/org/fuzz.go b/vendor/github.com/niklasfasching/go-org/org/fuzz.go new file mode 100644 index 0000000000..1e72b5ad92 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/fuzz.go @@ -0,0 +1,27 @@ +// +build gofuzz + +package org + +import ( + "bytes" + "strings" +) + +// Fuzz function to be used by https://github.com/dvyukov/go-fuzz +func Fuzz(input []byte) int { + conf := New().Silent() + d := conf.Parse(bytes.NewReader(input), "") + orgOutput, err := d.Write(NewOrgWriter()) + if err != nil { + panic(err) + } + htmlOutputA, err := d.Write(NewHTMLWriter()) + if err != nil { + panic(err) + } + htmlOutputB, err := conf.Parse(strings.NewReader(orgOutput), "").Write(NewHTMLWriter()) + if htmlOutputA != htmlOutputB { + panic("rendered org results in different html than original input") + } + return 0 +} diff --git a/vendor/github.com/niklasfasching/go-org/org/headline.go b/vendor/github.com/niklasfasching/go-org/org/headline.go new file mode 100644 index 0000000000..23b986fbc8 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/headline.go @@ -0,0 +1,101 @@ +package org + +import ( + "fmt" + "regexp" + "strings" + "unicode" +) + +type Outline struct { + *Section + last *Section + count int +} + +type Section struct { + Headline *Headline + Parent *Section + Children []*Section +} + +type Headline struct { + Index int + Lvl int + Status string + Priority string + Properties *PropertyDrawer + Title []Node + Tags []string + Children []Node +} + +var headlineRegexp = regexp.MustCompile(`^([*]+)\s+(.*)`) +var tagRegexp = regexp.MustCompile(`(.*?)\s+(:[A-Za-z0-9_@#%:]+:\s*$)`) + +func lexHeadline(line string) (token, bool) { + if m := headlineRegexp.FindStringSubmatch(line); m != nil { + return token{"headline", len(m[1]), m[2], m}, true + } + return nilToken, false +} + +func (d *Document) parseHeadline(i int, parentStop stopFn) (int, Node) { + t, headline := d.tokens[i], Headline{} + headline.Lvl = t.lvl + + headline.Index = d.addHeadline(&headline) + + text := t.content + todoKeywords := strings.FieldsFunc(d.Get("TODO"), func(r rune) bool { return unicode.IsSpace(r) || r == '|' }) + for _, k := range todoKeywords { + if strings.HasPrefix(text, k) && len(text) > len(k) && unicode.IsSpace(rune(text[len(k)])) { + headline.Status = k + text = text[len(k)+1:] + break + } + } + + if len(text) >= 4 && text[0:2] == "[#" && strings.Contains("ABC", text[2:3]) && text[3] == ']' { + headline.Priority = text[2:3] + text = strings.TrimSpace(text[4:]) + } + + if m := tagRegexp.FindStringSubmatch(text); m != nil { + text = m[1] + headline.Tags = strings.FieldsFunc(m[2], func(r rune) bool { return r == ':' }) + } + + headline.Title = d.parseInline(text) + + stop := func(d *Document, i int) bool { + return parentStop(d, i) || d.tokens[i].kind == "headline" && d.tokens[i].lvl <= headline.Lvl + } + consumed, nodes := d.parseMany(i+1, stop) + if len(nodes) > 0 { + if d, ok := nodes[0].(PropertyDrawer); ok { + headline.Properties = &d + nodes = nodes[1:] + } + } + headline.Children = nodes + return consumed + 1, headline +} + +func (h Headline) ID() string { + if customID, ok := h.Properties.Get("CUSTOM_ID"); ok { + return customID + } + return fmt.Sprintf("headline-%d", h.Index) +} + +func (parent *Section) add(current *Section) { + if parent.Headline == nil || parent.Headline.Lvl < current.Headline.Lvl { + parent.Children = append(parent.Children, current) + current.Parent = parent + } else { + parent.Parent.add(current) + } +} + +func (n Headline) String() string { return orgWriter.nodesAsString(n) } diff --git a/vendor/github.com/niklasfasching/go-org/org/html_entity.go b/vendor/github.com/niklasfasching/go-org/org/html_entity.go new file mode 100644 index 0000000000..484059b28d --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/html_entity.go @@ -0,0 +1,437 @@ +package org + +import "strings" + +var htmlEntityReplacer *strings.Replacer + +func init() { + htmlEntities = append(htmlEntities, + "---", "—", + "--", "–", + "...", "…", + ) + htmlEntityReplacer = strings.NewReplacer(htmlEntities...) +} + +/* +Generated & copied over using the following elisp +(Setting up go generate seems like a waste for now - I call YAGNI on that one) + +(insert (mapconcat + (lambda (entity) (concat "`\\" (car entity) "`, `" (nth 6 entity) "`")) ; entity -> utf8 + (remove-if-not 'listp org-entities) + ",\n")) +*/ +var htmlEntities = []string{ + `\Agrave`, `À`, + `\agrave`, `à`, + `\Aacute`, `Á`, + `\aacute`, `á`, + `\Acirc`, `Â`, + `\acirc`, `â`, + `\Amacr`, `Ã`, + `\amacr`, `ã`, + `\Atilde`, `Ã`, + `\atilde`, `ã`, + `\Auml`, `Ä`, + `\auml`, `ä`, + `\Aring`, `Å`, + `\AA`, `Å`, + `\aring`, `å`, + `\AElig`, `Æ`, + `\aelig`, `æ`, + `\Ccedil`, `Ç`, + `\ccedil`, `ç`, + `\Egrave`, `È`, + `\egrave`, `è`, + `\Eacute`, `É`, + `\eacute`, `é`, + `\Ecirc`, `Ê`, + `\ecirc`, `ê`, + `\Euml`, `Ë`, + `\euml`, `ë`, + `\Igrave`, `Ì`, + `\igrave`, `ì`, + `\Iacute`, `Í`, + `\iacute`, `í`, + `\Icirc`, `Î`, + `\icirc`, `î`, + `\Iuml`, `Ï`, + `\iuml`, `ï`, + `\Ntilde`, `Ñ`, + `\ntilde`, `ñ`, + `\Ograve`, `Ò`, + `\ograve`, `ò`, + `\Oacute`, `Ó`, + `\oacute`, `ó`, + `\Ocirc`, `Ô`, + `\ocirc`, `ô`, + `\Otilde`, `Õ`, + `\otilde`, `õ`, + `\Ouml`, `Ö`, + `\ouml`, `ö`, + `\Oslash`, `Ø`, + `\oslash`, `ø`, + `\OElig`, `Œ`, + `\oelig`, `œ`, + `\Scaron`, `Š`, + `\scaron`, `š`, + `\szlig`, `ß`, + `\Ugrave`, `Ù`, + `\ugrave`, `ù`, + `\Uacute`, `Ú`, + `\uacute`, `ú`, + `\Ucirc`, `Û`, + `\ucirc`, `û`, + `\Uuml`, `Ü`, + `\uuml`, `ü`, + `\Yacute`, `Ý`, + `\yacute`, `ý`, + `\Yuml`, `Ÿ`, + `\yuml`, `ÿ`, + `\fnof`, `ƒ`, + `\real`, `ℜ`, + `\image`, `ℑ`, + `\weierp`, `℘`, + `\ell`, `ℓ`, + `\imath`, `ı`, + `\jmath`, `ȷ`, + `\Alpha`, `Α`, + `\alpha`, `α`, + `\Beta`, `Β`, + `\beta`, `β`, + `\Gamma`, `Γ`, + `\gamma`, `γ`, + `\Delta`, `Δ`, + `\delta`, `δ`, + `\Epsilon`, `Ε`, + `\epsilon`, `ε`, + `\varepsilon`, `ε`, + `\Zeta`, `Ζ`, + `\zeta`, `ζ`, + `\Eta`, `Η`, + `\eta`, `η`, + `\Theta`, `Θ`, + `\theta`, `θ`, + `\thetasym`, `ϑ`, + `\vartheta`, `ϑ`, + `\Iota`, `Ι`, + `\iota`, `ι`, + `\Kappa`, `Κ`, + `\kappa`, `κ`, + `\Lambda`, `Λ`, + `\lambda`, `λ`, + `\Mu`, `Μ`, + `\mu`, `μ`, + `\nu`, `ν`, + `\Nu`, `Ν`, + `\Xi`, `Ξ`, + `\xi`, `ξ`, + `\Omicron`, `Ο`, + `\omicron`, `ο`, + `\Pi`, `Π`, + `\pi`, `π`, + `\Rho`, `Ρ`, + `\rho`, `ρ`, + `\Sigma`, `Σ`, + `\sigma`, `σ`, + `\sigmaf`, `ς`, + `\varsigma`, `ς`, + `\Tau`, `Τ`, + `\Upsilon`, `Υ`, + `\upsih`, `ϒ`, + `\upsilon`, `υ`, + `\Phi`, `Φ`, + `\phi`, `ɸ`, + `\varphi`, `φ`, + `\Chi`, `Χ`, + `\chi`, `χ`, + `\acutex`, `𝑥́`, + `\Psi`, `Ψ`, + `\psi`, `ψ`, + `\tau`, `τ`, + `\Omega`, `Ω`, + `\omega`, `ω`, + `\piv`, `ϖ`, + `\varpi`, `ϖ`, + `\partial`, `∂`, + `\alefsym`, `ℵ`, + `\aleph`, `ℵ`, + `\gimel`, `ℷ`, + `\beth`, `ב`, + `\dalet`, `ד`, + `\ETH`, `Ð`, + `\eth`, `ð`, + `\THORN`, `Þ`, + `\thorn`, `þ`, + `\dots`, `…`, + `\cdots`, `⋯`, + `\hellip`, `…`, + `\middot`, `·`, + `\iexcl`, `¡`, + `\iquest`, `¿`, + `\shy`, ``, + `\ndash`, `–`, + `\mdash`, `—`, + `\quot`, `"`, + `\acute`, `´`, + `\ldquo`, `“`, + `\rdquo`, `”`, + `\bdquo`, `„`, + `\lsquo`, `‘`, + `\rsquo`, `’`, + `\sbquo`, `‚`, + `\laquo`, `«`, + `\raquo`, `»`, + `\lsaquo`, `‹`, + `\rsaquo`, `›`, + `\circ`, `∘`, + `\vert`, `|`, + `\vbar`, `|`, + `\brvbar`, `¦`, + `\S`, `§`, + `\sect`, `§`, + `\amp`, `&`, + `\lt`, `<`, + `\gt`, `>`, + `\tilde`, `~`, + `\slash`, `/`, + `\plus`, `+`, + `\under`, `_`, + `\equal`, `=`, + `\asciicirc`, `^`, + `\dagger`, `†`, + `\dag`, `†`, + `\Dagger`, `‡`, + `\ddag`, `‡`, + `\nbsp`, ` `, + `\ensp`, ` `, + `\emsp`, ` `, + `\thinsp`, ` `, + `\curren`, `¤`, + `\cent`, `¢`, + `\pound`, `£`, + `\yen`, `¥`, + `\euro`, `€`, + `\EUR`, `€`, + `\dollar`, `$`, + `\USD`, `$`, + `\copy`, `©`, + `\reg`, `®`, + `\trade`, `™`, + `\minus`, `−`, + `\pm`, `±`, + `\plusmn`, `±`, + `\times`, `×`, + `\frasl`, `⁄`, + `\colon`, `:`, + `\div`, `÷`, + `\frac12`, `½`, + `\frac14`, `¼`, + `\frac34`, `¾`, + `\permil`, `‰`, + `\sup1`, `¹`, + `\sup2`, `²`, + `\sup3`, `³`, + `\radic`, `√`, + `\sum`, `∑`, + `\prod`, `∏`, + `\micro`, `µ`, + `\macr`, `¯`, + `\deg`, `°`, + `\prime`, `′`, + `\Prime`, `″`, + `\infin`, `∞`, + `\infty`, `∞`, + `\prop`, `∝`, + `\propto`, `∝`, + `\not`, `¬`, + `\neg`, `¬`, + `\land`, `∧`, + `\wedge`, `∧`, + `\lor`, `∨`, + `\vee`, `∨`, + `\cap`, `∩`, + `\cup`, `∪`, + `\smile`, `⌣`, + `\frown`, `⌢`, + `\int`, `∫`, + `\therefore`, `∴`, + `\there4`, `∴`, + `\because`, `∵`, + `\sim`, `∼`, + `\cong`, `≅`, + `\simeq`, `≅`, + `\asymp`, `≈`, + `\approx`, `≈`, + `\ne`, `≠`, + `\neq`, `≠`, + `\equiv`, `≡`, + `\triangleq`, `≜`, + `\le`, `≤`, + `\leq`, `≤`, + `\ge`, `≥`, + `\geq`, `≥`, + `\lessgtr`, `≶`, + `\lesseqgtr`, `⋚`, + `\ll`, `≪`, + `\Ll`, `⋘`, + `\lll`, `⋘`, + `\gg`, `≫`, + `\Gg`, `⋙`, + `\ggg`, `⋙`, + `\prec`, `≺`, + `\preceq`, `≼`, + `\preccurlyeq`, `≼`, + `\succ`, `≻`, + `\succeq`, `≽`, + `\succcurlyeq`, `≽`, + `\sub`, `⊂`, + `\subset`, `⊂`, + `\sup`, `⊃`, + `\supset`, `⊃`, + `\nsub`, `⊄`, + `\sube`, `⊆`, + `\nsup`, `⊅`, + `\supe`, `⊇`, + `\setminus`, `⧵`, + `\forall`, `∀`, + `\exist`, `∃`, + `\exists`, `∃`, + `\nexist`, `∄`, + `\nexists`, `∄`, + `\empty`, `∅`, + `\emptyset`, `∅`, + `\isin`, `∈`, + `\in`, `∈`, + `\notin`, `∉`, + `\ni`, `∋`, + `\nabla`, `∇`, + `\ang`, `∠`, + `\angle`, `∠`, + `\perp`, `⊥`, + `\parallel`, `∥`, + `\sdot`, `⋅`, + `\cdot`, `⋅`, + `\lceil`, `⌈`, + `\rceil`, `⌉`, + `\lfloor`, `⌊`, + `\rfloor`, `⌋`, + `\lang`, `⟨`, + `\rang`, `⟩`, + `\langle`, `⟨`, + `\rangle`, `⟩`, + `\hbar`, `ℏ`, + `\mho`, `℧`, + `\larr`, `←`, + `\leftarrow`, `←`, + `\gets`, `←`, + `\lArr`, `⇐`, + `\Leftarrow`, `⇐`, + `\uarr`, `↑`, + `\uparrow`, `↑`, + `\uArr`, `⇑`, + `\Uparrow`, `⇑`, + `\rarr`, `→`, + `\to`, `→`, + `\rightarrow`, `→`, + `\rArr`, `⇒`, + `\Rightarrow`, `⇒`, + `\darr`, `↓`, + `\downarrow`, `↓`, + `\dArr`, `⇓`, + `\Downarrow`, `⇓`, + `\harr`, `↔`, + `\leftrightarrow`, `↔`, + `\hArr`, `⇔`, + `\Leftrightarrow`, `⇔`, + `\crarr`, `↵`, + `\hookleftarrow`, `↵`, + `\arccos`, `arccos`, + `\arcsin`, `arcsin`, + `\arctan`, `arctan`, + `\arg`, `arg`, + `\cos`, `cos`, + `\cosh`, `cosh`, + `\cot`, `cot`, + `\coth`, `coth`, + `\csc`, `csc`, + `\deg`, `deg`, + `\det`, `det`, + `\dim`, `dim`, + `\exp`, `exp`, + `\gcd`, `gcd`, + `\hom`, `hom`, + `\inf`, `inf`, + `\ker`, `ker`, + `\lg`, `lg`, + `\lim`, `lim`, + `\liminf`, `liminf`, + `\limsup`, `limsup`, + `\ln`, `ln`, + `\log`, `log`, + `\max`, `max`, + `\min`, `min`, + `\Pr`, `Pr`, + `\sec`, `sec`, + `\sin`, `sin`, + `\sinh`, `sinh`, + `\sup`, `sup`, + `\tan`, `tan`, + `\tanh`, `tanh`, + `\bull`, `•`, + `\bullet`, `•`, + `\star`, `⋆`, + `\lowast`, `∗`, + `\ast`, `*`, + `\odot`, `ʘ`, + `\oplus`, `⊕`, + `\otimes`, `⊗`, + `\check`, `✓`, + `\checkmark`, `✓`, + `\para`, `¶`, + `\ordf`, `ª`, + `\ordm`, `º`, + `\cedil`, `¸`, + `\oline`, `‾`, + `\uml`, `¨`, + `\zwnj`, `‌`, + `\zwj`, `‍`, + `\lrm`, `‎`, + `\rlm`, `‏`, + `\smiley`, `☺`, + `\blacksmile`, `☻`, + `\sad`, `☹`, + `\frowny`, `☹`, + `\clubs`, `♣`, + `\clubsuit`, `♣`, + `\spades`, `♠`, + `\spadesuit`, `♠`, + `\hearts`, `♥`, + `\heartsuit`, `♥`, + `\diams`, `◆`, + `\diamondsuit`, `◆`, + `\diamond`, `◆`, + `\Diamond`, `◆`, + `\loz`, `⧫`, + `\_ `, ` `, + `\_ `, `  `, + `\_ `, `   `, + `\_ `, `    `, + `\_ `, `     `, + `\_ `, `      `, + `\_ `, `       `, + `\_ `, `        `, + `\_ `, `         `, + `\_ `, `          `, + `\_ `, `           `, + `\_ `, `            `, + `\_ `, `             `, + `\_ `, `              `, + `\_ `, `               `, + `\_ `, `                `, + `\_ `, `                 `, + `\_ `, `                  `, + `\_ `, `                   `, + `\_ `, `                    `, +} diff --git a/vendor/github.com/niklasfasching/go-org/org/html_writer.go b/vendor/github.com/niklasfasching/go-org/org/html_writer.go new file mode 100644 index 0000000000..90a48c6b4b --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/html_writer.go @@ -0,0 +1,504 @@ +package org + +import ( + "fmt" + "html" + "log" + "regexp" + "strings" + "unicode" + + h "golang.org/x/net/html" + "golang.org/x/net/html/atom" +) + +// HTMLWriter exports an org document into a html document. +type HTMLWriter struct { + ExtendingWriter Writer + HighlightCodeBlock func(source, lang string) string + + strings.Builder + document *Document + htmlEscape bool + log *log.Logger + footnotes *footnotes +} + +type footnotes struct { + mapping map[string]int + list []*FootnoteDefinition +} + +var emphasisTags = map[string][]string{ + "/": []string{"", ""}, + "*": []string{"", ""}, + "+": []string{"", ""}, + "~": []string{"", ""}, + "=": []string{``, ""}, + "_": []string{``, ""}, + "_{}": []string{"", ""}, + "^{}": []string{"", ""}, +} + +var listTags = map[string][]string{ + "unordered": []string{"
    ", "
"}, + "ordered": []string{"
    ", "
"}, + "descriptive": []string{"
", "
"}, +} + +var listItemStatuses = map[string]string{ + " ": "unchecked", + "-": "indeterminate", + "X": "checked", +} + +var cleanHeadlineTitleForHTMLAnchorRegexp = regexp.MustCompile(`]*>`) // nested a tags are not valid HTML + +func NewHTMLWriter() *HTMLWriter { + defaultConfig := New() + return &HTMLWriter{ + document: &Document{Configuration: defaultConfig}, + log: defaultConfig.Log, + htmlEscape: true, + HighlightCodeBlock: func(source, lang string) string { + return fmt.Sprintf("
\n
\n%s\n
\n
", html.EscapeString(source)) + }, + footnotes: &footnotes{ + mapping: map[string]int{}, + }, + } +} + +func (w *HTMLWriter) emptyClone() *HTMLWriter { + wcopy := *w + wcopy.Builder = strings.Builder{} + return &wcopy +} + +func (w *HTMLWriter) nodesAsString(nodes ...Node) string { + tmp := w.emptyClone() + WriteNodes(tmp, nodes...) + return tmp.String() +} + +func (w *HTMLWriter) WriterWithExtensions() Writer { + if w.ExtendingWriter != nil { + return w.ExtendingWriter + } + return w +} + +func (w *HTMLWriter) Before(d *Document) { + w.document = d + w.log = d.Log + w.WriteOutline(d) +} + +func (w *HTMLWriter) After(d *Document) { + w.WriteFootnotes(d) +} + +func (w *HTMLWriter) WriteComment(Comment) {} +func (w *HTMLWriter) WritePropertyDrawer(PropertyDrawer) {} + +func (w *HTMLWriter) WriteBlock(b Block) { + content := "" + if isRawTextBlock(b.Name) { + exportWriter := w.emptyClone() + exportWriter.htmlEscape = false + WriteNodes(exportWriter, b.Children...) + content = strings.TrimRightFunc(exportWriter.String(), unicode.IsSpace) + } else { + content = w.nodesAsString(b.Children...) + } + switch name := b.Name; { + case name == "SRC": + lang := "text" + if len(b.Parameters) >= 1 { + lang = strings.ToLower(b.Parameters[0]) + } + content = w.HighlightCodeBlock(content, lang) + w.WriteString(fmt.Sprintf("
\n%s\n
\n", lang, content)) + case name == "EXAMPLE": + w.WriteString(`
` + "\n" + content + "\n
\n") + case name == "EXPORT" && len(b.Parameters) >= 1 && strings.ToLower(b.Parameters[0]) == "html": + w.WriteString(content + "\n") + case name == "QUOTE": + w.WriteString("
\n" + content + "
\n") + case name == "CENTER": + w.WriteString(`
` + "\n") + w.WriteString(content + "
\n") + default: + w.WriteString(fmt.Sprintf(`
`, strings.ToLower(b.Name)) + "\n") + w.WriteString(content + "
\n") + } +} + +func (w *HTMLWriter) WriteDrawer(d Drawer) { + WriteNodes(w, d.Children...) +} + +func (w *HTMLWriter) WriteKeyword(k Keyword) { + if k.Key == "HTML" { + w.WriteString(k.Value + "\n") + } +} + +func (w *HTMLWriter) WriteInclude(i Include) { + WriteNodes(w, i.Resolve()) +} + +func (w *HTMLWriter) WriteFootnoteDefinition(f FootnoteDefinition) { + w.footnotes.updateDefinition(f) +} + +func (w *HTMLWriter) WriteFootnotes(d *Document) { + if !w.document.GetOption("f") || len(w.footnotes.list) == 0 { + return + } + w.WriteString(`
` + "\n") + w.WriteString(`
` + "\n") + w.WriteString(`
` + "\n") + for i, definition := range w.footnotes.list { + id := i + 1 + if definition == nil { + name := "" + for k, v := range w.footnotes.mapping { + if v == i { + name = k + } + } + w.log.Printf("Missing footnote definition for [fn:%s] (#%d)", name, id) + continue + } + w.WriteString(`
` + "\n") + w.WriteString(fmt.Sprintf(`%d`, id, id, id) + "\n") + w.WriteString(`
` + "\n") + WriteNodes(w, definition.Children...) + w.WriteString("
\n
\n") + } + w.WriteString("
\n
\n") +} + +func (w *HTMLWriter) WriteOutline(d *Document) { + if w.document.GetOption("toc") && len(d.Outline.Children) != 0 { + w.WriteString("\n") + } +} + +func (w *HTMLWriter) writeSection(section *Section) { + // NOTE: To satisfy hugo ExtractTOC() check we cannot use `
  • \n` here. Doesn't really matter, just a note. + w.WriteString("
  • ") + h := section.Headline + title := cleanHeadlineTitleForHTMLAnchorRegexp.ReplaceAllString(w.nodesAsString(h.Title...), "") + w.WriteString(fmt.Sprintf("%s\n", h.ID(), title)) + if len(section.Children) != 0 { + w.WriteString("
      \n") + for _, section := range section.Children { + w.writeSection(section) + } + w.WriteString("
    \n") + } + w.WriteString("
    • \n") +} + +func (w *HTMLWriter) WriteHeadline(h Headline) { + for _, excludeTag := range strings.Fields(w.document.Get("EXCLUDE_TAGS")) { + for _, tag := range h.Tags { + if excludeTag == tag { + return + } + } + } + + w.WriteString(fmt.Sprintf(``, h.Lvl, h.ID()) + "\n") + if w.document.GetOption("todo") && h.Status != "" { + w.WriteString(fmt.Sprintf(`%s`, h.Status) + "\n") + } + if w.document.GetOption("pri") && h.Priority != "" { + w.WriteString(fmt.Sprintf(`[%s]`, h.Priority) + "\n") + } + + WriteNodes(w, h.Title...) + if w.document.GetOption("tags") && len(h.Tags) != 0 { + tags := make([]string, len(h.Tags)) + for i, tag := range h.Tags { + tags[i] = fmt.Sprintf(`%s`, tag) + } + w.WriteString("   ") + w.WriteString(fmt.Sprintf(`%s`, strings.Join(tags, " "))) + } + w.WriteString(fmt.Sprintf("\n\n", h.Lvl)) + WriteNodes(w, h.Children...) +} + +func (w *HTMLWriter) WriteText(t Text) { + if !w.htmlEscape { + w.WriteString(t.Content) + } else if !w.document.GetOption("e") || t.IsRaw { + w.WriteString(html.EscapeString(t.Content)) + } else { + w.WriteString(html.EscapeString(htmlEntityReplacer.Replace(t.Content))) + } +} + +func (w *HTMLWriter) WriteEmphasis(e Emphasis) { + tags, ok := emphasisTags[e.Kind] + if !ok { + panic(fmt.Sprintf("bad emphasis %#v", e)) + } + w.WriteString(tags[0]) + WriteNodes(w, e.Content...) + w.WriteString(tags[1]) +} + +func (w *HTMLWriter) WriteLatexFragment(l LatexFragment) { + w.WriteString(l.OpeningPair) + WriteNodes(w, l.Content...) + w.WriteString(l.ClosingPair) +} + +func (w *HTMLWriter) WriteStatisticToken(s StatisticToken) { + w.WriteString(fmt.Sprintf(`[%s]`, s.Content)) +} + +func (w *HTMLWriter) WriteLineBreak(l LineBreak) { + w.WriteString(strings.Repeat("\n", l.Count)) +} + +func (w *HTMLWriter) WriteExplicitLineBreak(l ExplicitLineBreak) { + w.WriteString("
    \n") +} + +func (w *HTMLWriter) WriteFootnoteLink(l FootnoteLink) { + if !w.document.GetOption("f") { + return + } + i := w.footnotes.add(l) + id := i + 1 + w.WriteString(fmt.Sprintf(`%d`, id, id, id)) +} + +func (w *HTMLWriter) WriteTimestamp(t Timestamp) { + if !w.document.GetOption("<") { + return + } + w.WriteString(`<`) + if t.IsDate { + w.WriteString(t.Time.Format(datestampFormat)) + } else { + w.WriteString(t.Time.Format(timestampFormat)) + } + if t.Interval != "" { + w.WriteString(" " + t.Interval) + } + w.WriteString(`>`) +} + +func (w *HTMLWriter) WriteRegularLink(l RegularLink) { + url := html.EscapeString(l.URL) + if l.Protocol == "file" { + url = url[len("file:"):] + } + description := url + if l.Description != nil { + description = w.nodesAsString(l.Description...) + } + switch l.Kind() { + case "image": + w.WriteString(fmt.Sprintf(`%s`, url, description, description)) + case "video": + w.WriteString(fmt.Sprintf(``, url, description, description)) + default: + w.WriteString(fmt.Sprintf(`%s`, url, description)) + } +} + +func (w *HTMLWriter) WriteList(l List) { + tags, ok := listTags[l.Kind] + if !ok { + panic(fmt.Sprintf("bad list kind %#v", l)) + } + w.WriteString(tags[0] + "\n") + WriteNodes(w, l.Items...) + w.WriteString(tags[1] + "\n") +} + +func (w *HTMLWriter) WriteListItem(li ListItem) { + if li.Status != "" { + w.WriteString(fmt.Sprintf("
  • \n", listItemStatuses[li.Status])) + } else { + w.WriteString("
  • \n") + } + WriteNodes(w, li.Children...) + w.WriteString("
    • \n") +} + +func (w *HTMLWriter) WriteDescriptiveListItem(di DescriptiveListItem) { + if di.Status != "" { + w.WriteString(fmt.Sprintf("
    \n", listItemStatuses[di.Status])) + } else { + w.WriteString("
    \n") + } + + if len(di.Term) != 0 { + WriteNodes(w, di.Term...) + } else { + w.WriteString("?") + } + w.WriteString("\n
    \n") + w.WriteString("
    \n") + WriteNodes(w, di.Details...) + w.WriteString("
    \n") +} + +func (w *HTMLWriter) WriteParagraph(p Paragraph) { + if len(p.Children) == 0 { + return + } + w.WriteString("

    ") + if _, ok := p.Children[0].(LineBreak); !ok { + w.WriteString("\n") + } + WriteNodes(w, p.Children...) + w.WriteString("\n

    \n") +} + +func (w *HTMLWriter) WriteExample(e Example) { + w.WriteString(`
    ` + "\n")
+	if len(e.Children) != 0 {
+		for _, n := range e.Children {
+			WriteNodes(w, n)
+			w.WriteString("\n")
+		}
+	}
+	w.WriteString("
    \n") +} + +func (w *HTMLWriter) WriteHorizontalRule(h HorizontalRule) { + w.WriteString("
    \n") +} + +func (w *HTMLWriter) WriteNodeWithMeta(n NodeWithMeta) { + out := w.nodesAsString(n.Node) + if p, ok := n.Node.(Paragraph); ok { + if len(p.Children) == 1 && isImageOrVideoLink(p.Children[0]) { + out = w.nodesAsString(p.Children[0]) + } + } + for _, attributes := range n.Meta.HTMLAttributes { + out = w.withHTMLAttributes(out, attributes...) + "\n" + } + if len(n.Meta.Caption) != 0 { + caption := "" + for i, ns := range n.Meta.Caption { + if i != 0 { + caption += " " + } + caption += w.nodesAsString(ns...) + } + out = fmt.Sprintf("
    \n%s
    \n%s\n
    \n
    \n", out, caption) + } + w.WriteString(out) +} + +func (w *HTMLWriter) WriteNodeWithName(n NodeWithName) { + WriteNodes(w, n.Node) +} + +func (w *HTMLWriter) WriteTable(t Table) { + w.WriteString("\n") + beforeFirstContentRow := true + for i, row := range t.Rows { + if row.IsSpecial || len(row.Columns) == 0 { + continue + } + if beforeFirstContentRow { + beforeFirstContentRow = false + if i+1 < len(t.Rows) && len(t.Rows[i+1].Columns) == 0 { + w.WriteString("\n") + w.writeTableColumns(row.Columns, "th") + w.WriteString("\n\n") + continue + } else { + w.WriteString("\n") + } + } + w.writeTableColumns(row.Columns, "td") + } + w.WriteString("\n
    \n") +} + +func (w *HTMLWriter) writeTableColumns(columns []Column, tag string) { + w.WriteString("\n") + for _, column := range columns { + if column.Align == "" { + w.WriteString(fmt.Sprintf("<%s>", tag)) + } else { + w.WriteString(fmt.Sprintf(`<%s class="align-%s">`, tag, column.Align)) + } + WriteNodes(w, column.Children...) + w.WriteString(fmt.Sprintf("\n", tag)) + } + w.WriteString("\n") +} + +func (w *HTMLWriter) withHTMLAttributes(input string, kvs ...string) string { + if len(kvs)%2 != 0 { + w.log.Printf("withHTMLAttributes: Len of kvs must be even: %#v", kvs) + return input + } + context := &h.Node{Type: h.ElementNode, Data: "body", DataAtom: atom.Body} + nodes, err := h.ParseFragment(strings.NewReader(strings.TrimSpace(input)), context) + if err != nil || len(nodes) != 1 { + w.log.Printf("withHTMLAttributes: Could not extend attributes of %s: %v (%s)", input, nodes, err) + return input + } + out, node := strings.Builder{}, nodes[0] + for i := 0; i < len(kvs)-1; i += 2 { + node.Attr = setHTMLAttribute(node.Attr, strings.TrimPrefix(kvs[i], ":"), kvs[i+1]) + } + err = h.Render(&out, nodes[0]) + if err != nil { + w.log.Printf("withHTMLAttributes: Could not extend attributes of %s: %v (%s)", input, node, err) + return input + } + return out.String() +} + +func setHTMLAttribute(attributes []h.Attribute, k, v string) []h.Attribute { + for i, a := range attributes { + if strings.ToLower(a.Key) == strings.ToLower(k) { + switch strings.ToLower(k) { + case "class", "style": + attributes[i].Val += " " + v + default: + attributes[i].Val = v + } + return attributes + } + } + return append(attributes, h.Attribute{Namespace: "", Key: k, Val: v}) +} + +func (fs *footnotes) add(f FootnoteLink) int { + if i, ok := fs.mapping[f.Name]; ok && f.Name != "" { + return i + } + fs.list = append(fs.list, f.Definition) + i := len(fs.list) - 1 + if f.Name != "" { + fs.mapping[f.Name] = i + } + return i +} + +func (fs *footnotes) updateDefinition(f FootnoteDefinition) { + if i, ok := fs.mapping[f.Name]; ok { + fs.list[i] = &f + } +} diff --git a/vendor/github.com/niklasfasching/go-org/org/inline.go b/vendor/github.com/niklasfasching/go-org/org/inline.go new file mode 100644 index 0000000000..02d5a15341 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/inline.go @@ -0,0 +1,357 @@ +package org + +import ( + "fmt" + "path" + "regexp" + "strings" + "time" + "unicode" +) + +type Text struct { + Content string + IsRaw bool +} + +type LineBreak struct{ Count int } +type ExplicitLineBreak struct{} + +type StatisticToken struct{ Content string } + +type Timestamp struct { + Time time.Time + IsDate bool + Interval string +} + +type Emphasis struct { + Kind string + Content []Node +} + +type LatexFragment struct { + OpeningPair string + ClosingPair string + Content []Node +} + +type FootnoteLink struct { + Name string + Definition *FootnoteDefinition +} + +type RegularLink struct { + Protocol string + Description []Node + URL string + AutoLink bool +} + +var validURLCharacters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~:/?#[]@!$&'()*+,;=" +var autolinkProtocols = regexp.MustCompile(`^(https?|ftp|file)$`) +var imageExtensionRegexp = regexp.MustCompile(`^[.](png|gif|jpe?g|svg|tiff?)$`) +var videoExtensionRegexp = regexp.MustCompile(`^[.](webm|mp4)$`) + +var subScriptSuperScriptRegexp = regexp.MustCompile(`^([_^]){([^{}]+?)}`) +var timestampRegexp = regexp.MustCompile(`^<(\d{4}-\d{2}-\d{2})( [A-Za-z]+)?( \d{2}:\d{2})?( \+\d+[dwmy])?>`) +var footnoteRegexp = regexp.MustCompile(`^\[fn:([\w-]*?)(:(.*?))?\]`) +var statisticsTokenRegexp = regexp.MustCompile(`^\[(\d+/\d+|\d+%)\]`) +var latexFragmentRegexp = regexp.MustCompile(`(?s)^\\begin{(\w+)}(.*)\\end{(\w+)}`) + +var timestampFormat = "2006-01-02 Mon 15:04" +var datestampFormat = "2006-01-02 Mon" + +var latexFragmentPairs = map[string]string{ + `\(`: `\)`, + `\[`: `\]`, + `$$`: `$$`, +} + +func (d *Document) parseInline(input string) (nodes []Node) { + previous, current := 0, 0 + for current < len(input) { + rewind, consumed, node := 0, 0, (Node)(nil) + switch input[current] { + case '^': + consumed, node = d.parseSubOrSuperScript(input, current) + case '_': + consumed, node = d.parseSubScriptOrEmphasis(input, current) + case '*', '/', '+': + consumed, node = d.parseEmphasis(input, current, false) + case '=', '~': + consumed, node = d.parseEmphasis(input, current, true) + case '[': + consumed, node = d.parseOpeningBracket(input, current) + case '<': + consumed, node = d.parseTimestamp(input, current) + case '\\': + consumed, node = d.parseExplicitLineBreakOrLatexFragment(input, current) + case '$': + consumed, node = d.parseLatexFragment(input, current) + case '\n': + consumed, node = d.parseLineBreak(input, current) + case ':': + rewind, consumed, node = d.parseAutoLink(input, current) + current -= rewind + } + if consumed != 0 { + if current > previous { + nodes = append(nodes, Text{input[previous:current], false}) + } + if node != nil { + nodes = append(nodes, node) + } + current += consumed + previous = current + } else { + current++ + } + } + + if previous < len(input) { + nodes = append(nodes, Text{input[previous:], false}) + } + return nodes +} + +func (d *Document) parseRawInline(input string) (nodes []Node) { + previous, current := 0, 0 + for current < len(input) { + if input[current] == '\n' { + consumed, node := d.parseLineBreak(input, current) + if current > previous { + nodes = append(nodes, Text{input[previous:current], true}) + } + nodes = append(nodes, node) + current += consumed + previous = current + } else { + current++ + } + } + if previous < len(input) { + nodes = append(nodes, Text{input[previous:], true}) + } + return nodes +} + +func (d *Document) parseLineBreak(input string, start int) (int, Node) { + i := start + for ; i < len(input) && input[i] == '\n'; i++ { + } + return i - start, LineBreak{i - start} +} + +func (d *Document) parseExplicitLineBreakOrLatexFragment(input string, start int) (int, Node) { + switch { + case start+2 >= len(input): + case input[start+1] == '\\' && start != 0 && input[start-1] != '\n': + for i := start + 2; unicode.IsSpace(rune(input[i])); i++ { + if i >= len(input) || input[i] == '\n' { + return i + 1 - start, ExplicitLineBreak{} + } + } + case input[start+1] == '(' || input[start+1] == '[': + return d.parseLatexFragment(input, start) + case strings.Index(input[start:], `\begin{`) == 0: + if m := latexFragmentRegexp.FindStringSubmatch(input[start:]); m != nil { + if open, content, close := m[1], m[2], m[3]; open == close { + openingPair, closingPair := `\begin{`+open+`}`, `\end{`+close+`}` + i := strings.Index(input[start:], closingPair) + return i + len(closingPair), LatexFragment{openingPair, closingPair, d.parseRawInline(content)} + } + } + } + return 0, nil +} + +func (d *Document) parseLatexFragment(input string, start int) (int, Node) { + if start+2 >= len(input) { + return 0, nil + } + openingPair := input[start : start+2] + closingPair := latexFragmentPairs[openingPair] + if i := strings.Index(input[start+2:], closingPair); i != -1 { + content := d.parseRawInline(input[start+2 : start+2+i]) + return i + 2 + 2, LatexFragment{openingPair, closingPair, content} + } + return 0, nil +} + +func (d *Document) parseSubOrSuperScript(input string, start int) (int, Node) { + if m := subScriptSuperScriptRegexp.FindStringSubmatch(input[start:]); m != nil { + return len(m[2]) + 3, Emphasis{m[1] + "{}", []Node{Text{m[2], false}}} + } + return 0, nil +} + +func (d *Document) parseSubScriptOrEmphasis(input string, start int) (int, Node) { + if consumed, node := d.parseSubOrSuperScript(input, start); consumed != 0 { + return consumed, node + } + return d.parseEmphasis(input, start, false) +} + +func (d *Document) parseOpeningBracket(input string, start int) (int, Node) { + if len(input[start:]) >= 2 && input[start] == '[' && input[start+1] == '[' { + return d.parseRegularLink(input, start) + } else if footnoteRegexp.MatchString(input[start:]) { + return d.parseFootnoteReference(input, start) + } else if statisticsTokenRegexp.MatchString(input[start:]) { + return d.parseStatisticToken(input, start) + } + return 0, nil +} + +func (d *Document) parseFootnoteReference(input string, start int) (int, Node) { + if m := footnoteRegexp.FindStringSubmatch(input[start:]); m != nil { + name, definition := m[1], m[3] + if name == "" && definition == "" { + return 0, nil + } + link := FootnoteLink{name, nil} + if definition != "" { + link.Definition = &FootnoteDefinition{name, []Node{Paragraph{d.parseInline(definition)}}, true} + } + return len(m[0]), link + } + return 0, nil +} + +func (d *Document) parseStatisticToken(input string, start int) (int, Node) { + if m := statisticsTokenRegexp.FindStringSubmatch(input[start:]); m != nil { + return len(m[1]) + 2, StatisticToken{m[1]} + } + return 0, nil +} + +func (d *Document) parseAutoLink(input string, start int) (int, int, Node) { + if !d.AutoLink || start == 0 || len(input[start:]) < 3 || input[start:start+3] != "://" { + return 0, 0, nil + } + protocolStart, protocol := start-1, "" + for ; protocolStart > 0; protocolStart-- { + if !unicode.IsLetter(rune(input[protocolStart])) { + protocolStart++ + break + } + } + if m := autolinkProtocols.FindStringSubmatch(input[protocolStart:start]); m != nil { + protocol = m[1] + } else { + return 0, 0, nil + } + end := start + for ; end < len(input) && strings.ContainsRune(validURLCharacters, rune(input[end])); end++ { + } + path := input[start:end] + if path == "://" { + return 0, 0, nil + } + return len(protocol), len(path + protocol), RegularLink{protocol, nil, protocol + path, true} +} + +func (d *Document) parseRegularLink(input string, start int) (int, Node) { + input = input[start:] + if len(input) < 3 || input[:2] != "[[" || input[2] == '[' { + return 0, nil + } + end := strings.Index(input, "]]") + if end == -1 { + return 0, nil + } + rawLinkParts := strings.Split(input[2:end], "][") + description, link := ([]Node)(nil), rawLinkParts[0] + if len(rawLinkParts) == 2 { + link, description = rawLinkParts[0], d.parseInline(rawLinkParts[1]) + } + if strings.ContainsRune(link, '\n') { + return 0, nil + } + consumed := end + 2 + protocol, linkParts := "", strings.SplitN(link, ":", 2) + if len(linkParts) == 2 { + protocol = linkParts[0] + } + return consumed, RegularLink{protocol, description, link, false} +} + +func (d *Document) parseTimestamp(input string, start int) (int, Node) { + if m := timestampRegexp.FindStringSubmatch(input[start:]); m != nil { + ddmmyy, hhmm, interval, isDate := m[1], m[3], strings.TrimSpace(m[4]), false + if hhmm == "" { + hhmm, isDate = "00:00", true + } + t, err := time.Parse(timestampFormat, fmt.Sprintf("%s Mon %s", ddmmyy, hhmm)) + if err != nil { + return 0, nil + } + timestamp := Timestamp{t, isDate, interval} + return len(m[0]), timestamp + } + return 0, nil +} + +func (d *Document) parseEmphasis(input string, start int, isRaw bool) (int, Node) { + marker, i := input[start], start + if !hasValidPreAndBorderChars(input, i) { + return 0, nil + } + for i, consumedNewLines := i+1, 0; i < len(input) && consumedNewLines <= d.MaxEmphasisNewLines; i++ { + if input[i] == '\n' { + consumedNewLines++ + } + + if input[i] == marker && i != start+1 && hasValidPostAndBorderChars(input, i) { + if isRaw { + return i + 1 - start, Emphasis{input[start : start+1], d.parseRawInline(input[start+1 : i])} + } + return i + 1 - start, Emphasis{input[start : start+1], d.parseInline(input[start+1 : i])} + } + } + return 0, nil +} + +// see org-emphasis-regexp-components (emacs elisp variable) + +func hasValidPreAndBorderChars(input string, i int) bool { + return (i+1 >= len(input) || isValidBorderChar(rune(input[i+1]))) && (i == 0 || isValidPreChar(rune(input[i-1]))) +} + +func hasValidPostAndBorderChars(input string, i int) bool { + return (i == 0 || isValidBorderChar(rune(input[i-1]))) && (i+1 >= len(input) || isValidPostChar(rune(input[i+1]))) +} + +func isValidPreChar(r rune) bool { + return unicode.IsSpace(r) || strings.ContainsRune(`-({'"`, r) +} + +func isValidPostChar(r rune) bool { + return unicode.IsSpace(r) || strings.ContainsRune(`-.,:!?;'")}[`, r) +} + +func isValidBorderChar(r rune) bool { return !unicode.IsSpace(r) } + +func (l RegularLink) Kind() string { + if p := l.Protocol; l.Description != nil || (p != "" && p != "file" && p != "http" && p != "https") { + return "regular" + } + if imageExtensionRegexp.MatchString(path.Ext(l.URL)) { + return "image" + } + if videoExtensionRegexp.MatchString(path.Ext(l.URL)) { + return "video" + } + return "regular" +} + +func (n Text) String() string { return orgWriter.nodesAsString(n) } +func (n LineBreak) String() string { return orgWriter.nodesAsString(n) } +func (n ExplicitLineBreak) String() string { return orgWriter.nodesAsString(n) } +func (n StatisticToken) String() string { return orgWriter.nodesAsString(n) } +func (n Emphasis) String() string { return orgWriter.nodesAsString(n) } +func (n LatexFragment) String() string { return orgWriter.nodesAsString(n) } +func (n FootnoteLink) String() string { return orgWriter.nodesAsString(n) } +func (n RegularLink) String() string { return orgWriter.nodesAsString(n) } +func (n Timestamp) String() string { return orgWriter.nodesAsString(n) } diff --git a/vendor/github.com/niklasfasching/go-org/org/keyword.go b/vendor/github.com/niklasfasching/go-org/org/keyword.go new file mode 100644 index 0000000000..776241797b --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/keyword.go @@ -0,0 +1,184 @@ +package org + +import ( + "bytes" + "path/filepath" + "regexp" + "strings" +) + +type Comment struct{ Content string } + +type Keyword struct { + Key string + Value string +} + +type NodeWithName struct { + Name string + Node Node +} + +type NodeWithMeta struct { + Node Node + Meta Metadata +} + +type Metadata struct { + Caption [][]Node + HTMLAttributes [][]string +} + +type Include struct { + Keyword + Resolve func() Node +} + +var keywordRegexp = regexp.MustCompile(`^(\s*)#\+([^:]+):(\s+(.*)|$)`) +var commentRegexp = regexp.MustCompile(`^(\s*)#(.*)`) + +var includeFileRegexp = regexp.MustCompile(`(?i)^"([^"]+)" (src|example|export) (\w+)$`) +var attributeRegexp = regexp.MustCompile(`(?:^|\s+)(:[-\w]+)\s+(.*)$`) + +func lexKeywordOrComment(line string) (token, bool) { + if m := keywordRegexp.FindStringSubmatch(line); m != nil { + return token{"keyword", len(m[1]), m[2], m}, true + } else if m := commentRegexp.FindStringSubmatch(line); m != nil { + return token{"comment", len(m[1]), m[2], m}, true + } + return nilToken, false +} + +func (d *Document) parseComment(i int, stop stopFn) (int, Node) { + return 1, Comment{d.tokens[i].content} +} + +func (d *Document) parseKeyword(i int, stop stopFn) (int, Node) { + k := parseKeyword(d.tokens[i]) + switch k.Key { + case "NAME": + return d.parseNodeWithName(k, i, stop) + case "SETUPFILE": + return d.loadSetupFile(k) + case "INCLUDE": + return d.parseInclude(k) + case "CAPTION", "ATTR_HTML": + consumed, node := d.parseAffiliated(i, stop) + if consumed != 0 { + return consumed, node + } + fallthrough + default: + if _, ok := d.BufferSettings[k.Key]; ok { + d.BufferSettings[k.Key] = strings.Join([]string{d.BufferSettings[k.Key], k.Value}, "\n") + } else { + d.BufferSettings[k.Key] = k.Value + } + return 1, k + } +} + +func (d *Document) parseNodeWithName(k Keyword, i int, stop stopFn) (int, Node) { + if stop(d, i+1) { + return 0, nil + } + consumed, node := d.parseOne(i+1, stop) + if consumed == 0 || node == nil { + return 0, nil + } + d.NamedNodes[k.Value] = node + return consumed + 1, NodeWithName{k.Value, node} +} + +func (d *Document) parseAffiliated(i int, stop stopFn) (int, Node) { + start, meta := i, Metadata{} + for ; !stop(d, i) && d.tokens[i].kind == "keyword"; i++ { + switch k := parseKeyword(d.tokens[i]); k.Key { + case "CAPTION": + meta.Caption = append(meta.Caption, d.parseInline(k.Value)) + case "ATTR_HTML": + attributes, rest := []string{}, k.Value + for { + if k, m := "", attributeRegexp.FindStringSubmatch(rest); m != nil { + k, rest = m[1], m[2] + attributes = append(attributes, k) + if v, m := "", attributeRegexp.FindStringSubmatchIndex(rest); m != nil { + v, rest = rest[:m[0]], rest[m[0]:] + attributes = append(attributes, v) + } else { + attributes = append(attributes, strings.TrimSpace(rest)) + break + } + } else { + break + } + } + meta.HTMLAttributes = append(meta.HTMLAttributes, attributes) + default: + return 0, nil + } + } + if stop(d, i) { + return 0, nil + } + consumed, node := d.parseOne(i, stop) + if consumed == 0 || node == nil { + return 0, nil + } + i += consumed + return i - start, NodeWithMeta{node, meta} +} + +func parseKeyword(t token) Keyword { + k, v := t.matches[2], t.matches[4] + return Keyword{strings.ToUpper(k), strings.TrimSpace(v)} +} + +func (d *Document) parseInclude(k Keyword) (int, Node) { + resolve := func() Node { + d.Log.Printf("Bad include %#v", k) + return k + } + if m := includeFileRegexp.FindStringSubmatch(k.Value); m != nil { + path, kind, lang := m[1], m[2], m[3] + if !filepath.IsAbs(path) { + path = filepath.Join(filepath.Dir(d.Path), path) + } + resolve = func() Node { + bs, err := d.ReadFile(path) + if err != nil { + d.Log.Printf("Bad include %#v: %s", k, err) + return k + } + return Block{strings.ToUpper(kind), []string{lang}, d.parseRawInline(string(bs))} + } + } + return 1, Include{k, resolve} +} + +func (d *Document) loadSetupFile(k Keyword) (int, Node) { + path := k.Value + if !filepath.IsAbs(path) { + path = filepath.Join(filepath.Dir(d.Path), path) + } + bs, err := d.ReadFile(path) + if err != nil { + d.Log.Printf("Bad setup file: %#v: %s", k, err) + return 1, k + } + setupDocument := d.Configuration.Parse(bytes.NewReader(bs), path) + if err := setupDocument.Error; err != nil { + d.Log.Printf("Bad setup file: %#v: %s", k, err) + return 1, k + } + for k, v := range setupDocument.BufferSettings { + d.BufferSettings[k] = v + } + return 1, k +} + +func (n Comment) String() string { return orgWriter.nodesAsString(n) } +func (n Keyword) String() string { return orgWriter.nodesAsString(n) } +func (n NodeWithMeta) String() string { return orgWriter.nodesAsString(n) } +func (n NodeWithName) String() string { return orgWriter.nodesAsString(n) } +func (n Include) String() string { return orgWriter.nodesAsString(n) } diff --git a/vendor/github.com/niklasfasching/go-org/org/list.go b/vendor/github.com/niklasfasching/go-org/org/list.go new file mode 100644 index 0000000000..6ba28f6fe4 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/list.go @@ -0,0 +1,114 @@ +package org + +import ( + "fmt" + "regexp" + "strings" + "unicode" +) + +type List struct { + Kind string + Items []Node +} + +type ListItem struct { + Bullet string + Status string + Children []Node +} + +type DescriptiveListItem struct { + Bullet string + Status string + Term []Node + Details []Node +} + +var unorderedListRegexp = regexp.MustCompile(`^(\s*)([+*-])(\s+(.*)|$)`) +var orderedListRegexp = regexp.MustCompile(`^(\s*)(([0-9]+|[a-zA-Z])[.)])(\s+(.*)|$)`) +var descriptiveListItemRegexp = regexp.MustCompile(`\s::(\s|$)`) +var listItemStatusRegexp = regexp.MustCompile(`\[( |X|-)\]\s`) + +func lexList(line string) (token, bool) { + if m := unorderedListRegexp.FindStringSubmatch(line); m != nil { + return token{"unorderedList", len(m[1]), m[4], m}, true + } else if m := orderedListRegexp.FindStringSubmatch(line); m != nil { + return token{"orderedList", len(m[1]), m[5], m}, true + } + return nilToken, false +} + +func isListToken(t token) bool { + return t.kind == "unorderedList" || t.kind == "orderedList" +} + +func listKind(t token) (string, string) { + kind := "" + switch bullet := t.matches[2]; { + case bullet == "*" || bullet == "+" || bullet == "-": + kind = "unordered" + case unicode.IsLetter(rune(bullet[0])), unicode.IsDigit(rune(bullet[0])): + kind = "ordered" + default: + panic(fmt.Sprintf("bad list bullet '%s': %#v", bullet, t)) + } + if descriptiveListItemRegexp.MatchString(t.content) { + return kind, "descriptive" + } + return kind, kind +} + +func (d *Document) parseList(i int, parentStop stopFn) (int, Node) { + start, lvl := i, d.tokens[i].lvl + listMainKind, kind := listKind(d.tokens[i]) + list := List{Kind: kind} + stop := func(*Document, int) bool { + if parentStop(d, i) || d.tokens[i].lvl != lvl || !isListToken(d.tokens[i]) { + return true + } + itemMainKind, _ := listKind(d.tokens[i]) + return itemMainKind != listMainKind + } + for !stop(d, i) { + consumed, node := d.parseListItem(list, i, parentStop) + i += consumed + list.Items = append(list.Items, node) + } + return i - start, list +} + +func (d *Document) parseListItem(l List, i int, parentStop stopFn) (int, Node) { + start, nodes, bullet := i, []Node{}, d.tokens[i].matches[2] + minIndent, dterm, content, status := d.tokens[i].lvl+len(bullet), "", d.tokens[i].content, "" + if m := listItemStatusRegexp.FindStringSubmatch(content); m != nil { + status, content = m[1], content[len("[ ] "):] + } + if l.Kind == "descriptive" { + if m := descriptiveListItemRegexp.FindStringIndex(content); m != nil { + dterm, content = content[:m[0]], content[m[1]:] + } + } + + d.tokens[i] = tokenize(strings.Repeat(" ", minIndent) + content) + stop := func(d *Document, i int) bool { + if parentStop(d, i) { + return true + } + t := d.tokens[i] + return t.lvl < minIndent && !(t.kind == "text" && t.content == "") + } + for !stop(d, i) && (i <= start+1 || !isSecondBlankLine(d, i)) { + consumed, node := d.parseOne(i, stop) + i += consumed + nodes = append(nodes, node) + } + if l.Kind == "descriptive" { + return i - start, DescriptiveListItem{bullet, status, d.parseInline(dterm), nodes} + } + return i - start, ListItem{bullet, status, nodes} +} + +func (n List) String() string { return orgWriter.nodesAsString(n) } +func (n ListItem) String() string { return orgWriter.nodesAsString(n) } +func (n DescriptiveListItem) String() string { return orgWriter.nodesAsString(n) } diff --git a/vendor/github.com/niklasfasching/go-org/org/org_writer.go b/vendor/github.com/niklasfasching/go-org/org/org_writer.go new file mode 100644 index 0000000000..d574cda527 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/org_writer.go @@ -0,0 +1,334 @@ +package org + +import ( + "fmt" + "strings" + "unicode" + "unicode/utf8" +) + +// OrgWriter export an org document into pretty printed org document. +type OrgWriter struct { + ExtendingWriter Writer + TagsColumn int + + strings.Builder + indent string +} + +var emphasisOrgBorders = map[string][]string{ + "_": []string{"_", "_"}, + "*": []string{"*", "*"}, + "/": []string{"/", "/"}, + "+": []string{"+", "+"}, + "~": []string{"~", "~"}, + "=": []string{"=", "="}, + "_{}": []string{"_{", "}"}, + "^{}": []string{"^{", "}"}, +} + +func NewOrgWriter() *OrgWriter { + return &OrgWriter{ + TagsColumn: 77, + } +} + +func (w *OrgWriter) WriterWithExtensions() Writer { + if w.ExtendingWriter != nil { + return w.ExtendingWriter + } + return w +} + +func (w *OrgWriter) Before(d *Document) {} +func (w *OrgWriter) After(d *Document) {} + +func (w *OrgWriter) emptyClone() *OrgWriter { + wcopy := *w + wcopy.Builder = strings.Builder{} + return &wcopy +} + +func (w *OrgWriter) nodesAsString(nodes ...Node) string { + tmp := w.emptyClone() + WriteNodes(tmp, nodes...) + return tmp.String() +} + +func (w *OrgWriter) WriteHeadline(h Headline) { + tmp := w.emptyClone() + tmp.WriteString(strings.Repeat("*", h.Lvl)) + if h.Status != "" { + tmp.WriteString(" " + h.Status) + } + if h.Priority != "" { + tmp.WriteString(" [#" + h.Priority + "]") + } + tmp.WriteString(" ") + WriteNodes(tmp, h.Title...) + hString := tmp.String() + if len(h.Tags) != 0 { + tString := ":" + strings.Join(h.Tags, ":") + ":" + if n := w.TagsColumn - len(tString) - len(hString); n > 0 { + w.WriteString(hString + strings.Repeat(" ", n) + tString) + } else { + w.WriteString(hString + " " + tString) + } + } else { + w.WriteString(hString) + } + w.WriteString("\n") + if len(h.Children) != 0 { + w.WriteString(w.indent) + } + if h.Properties != nil { + WriteNodes(w, *h.Properties) + } + WriteNodes(w, h.Children...) +} + +func (w *OrgWriter) WriteBlock(b Block) { + w.WriteString(w.indent + "#+BEGIN_" + b.Name) + if len(b.Parameters) != 0 { + w.WriteString(" " + strings.Join(b.Parameters, " ")) + } + w.WriteString("\n") + if isRawTextBlock(b.Name) { + w.WriteString(w.indent) + } + WriteNodes(w, b.Children...) + if !isRawTextBlock(b.Name) { + w.WriteString(w.indent) + } + w.WriteString("#+END_" + b.Name + "\n") +} + +func (w *OrgWriter) WriteDrawer(d Drawer) { + w.WriteString(w.indent + ":" + d.Name + ":\n") + WriteNodes(w, d.Children...) + w.WriteString(w.indent + ":END:\n") +} + +func (w *OrgWriter) WritePropertyDrawer(d PropertyDrawer) { + w.WriteString(":PROPERTIES:\n") + for _, kvPair := range d.Properties { + k, v := kvPair[0], kvPair[1] + if v != "" { + v = " " + v + } + w.WriteString(fmt.Sprintf(":%s:%s\n", k, v)) + } + w.WriteString(":END:\n") +} + +func (w *OrgWriter) WriteFootnoteDefinition(f FootnoteDefinition) { + w.WriteString(fmt.Sprintf("[fn:%s]", f.Name)) + content := w.nodesAsString(f.Children...) + if content != "" && !unicode.IsSpace(rune(content[0])) { + w.WriteString(" ") + } + w.WriteString(content) +} + +func (w *OrgWriter) WriteParagraph(p Paragraph) { + content := w.nodesAsString(p.Children...) + if len(content) > 0 && content[0] != '\n' { + w.WriteString(w.indent) + } + w.WriteString(content + "\n") +} + +func (w *OrgWriter) WriteExample(e Example) { + for _, n := range e.Children { + w.WriteString(w.indent + ":") + if content := w.nodesAsString(n); content != "" { + w.WriteString(" " + content) + } + w.WriteString("\n") + } +} + +func (w *OrgWriter) WriteKeyword(k Keyword) { + w.WriteString(w.indent + "#+" + k.Key + ":") + if k.Value != "" { + w.WriteString(" " + k.Value) + } + w.WriteString("\n") +} + +func (w *OrgWriter) WriteInclude(i Include) { + w.WriteKeyword(i.Keyword) +} + +func (w *OrgWriter) WriteNodeWithMeta(n NodeWithMeta) { + for _, ns := range n.Meta.Caption { + w.WriteString("#+CAPTION: ") + WriteNodes(w, ns...) + w.WriteString("\n") + } + for _, attributes := range n.Meta.HTMLAttributes { + w.WriteString("#+ATTR_HTML: ") + w.WriteString(strings.Join(attributes, " ") + "\n") + } + WriteNodes(w, n.Node) +} + +func (w *OrgWriter) WriteNodeWithName(n NodeWithName) { + w.WriteString(fmt.Sprintf("#+NAME: %s\n", n.Name)) + WriteNodes(w, n.Node) +} + +func (w *OrgWriter) WriteComment(c Comment) { + w.WriteString(w.indent + "#" + c.Content + "\n") +} + +func (w *OrgWriter) WriteList(l List) { WriteNodes(w, l.Items...) } + +func (w *OrgWriter) WriteListItem(li ListItem) { + liWriter := w.emptyClone() + liWriter.indent = w.indent + strings.Repeat(" ", len(li.Bullet)+1) + WriteNodes(liWriter, li.Children...) + content := strings.TrimPrefix(liWriter.String(), liWriter.indent) + w.WriteString(w.indent + li.Bullet) + if li.Status != "" { + w.WriteString(fmt.Sprintf(" [%s]", li.Status)) + } + if len(content) > 0 && content[0] == '\n' { + w.WriteString(content) + } else { + w.WriteString(" " + content) + } +} + +func (w *OrgWriter) WriteDescriptiveListItem(di DescriptiveListItem) { + w.WriteString(w.indent + di.Bullet) + if di.Status != "" { + w.WriteString(fmt.Sprintf(" [%s]", di.Status)) + } + indent := w.indent + strings.Repeat(" ", len(di.Bullet)+1) + if len(di.Term) != 0 { + term := w.nodesAsString(di.Term...) + w.WriteString(" " + term + " ::") + indent = indent + strings.Repeat(" ", len(term)+4) + } + diWriter := w.emptyClone() + diWriter.indent = indent + WriteNodes(diWriter, di.Details...) + details := strings.TrimPrefix(diWriter.String(), diWriter.indent) + if len(details) > 0 && details[0] == '\n' { + w.WriteString(details) + } else { + w.WriteString(" " + details) + } +} + +func (w *OrgWriter) WriteTable(t Table) { + for _, row := range t.Rows { + w.WriteString(w.indent) + if len(row.Columns) == 0 { + w.WriteString(`|`) + for i := 0; i < len(t.ColumnInfos); i++ { + w.WriteString(strings.Repeat("-", t.ColumnInfos[i].Len+2)) + if i < len(t.ColumnInfos)-1 { + w.WriteString("+") + } + } + w.WriteString(`|`) + + } else { + w.WriteString(`|`) + for _, column := range row.Columns { + w.WriteString(` `) + content := w.nodesAsString(column.Children...) + if content == "" { + content = " " + } + n := column.Len - utf8.RuneCountInString(content) + if n < 0 { + n = 0 + } + if column.Align == "center" { + if n%2 != 0 { + w.WriteString(" ") + } + w.WriteString(strings.Repeat(" ", n/2) + content + strings.Repeat(" ", n/2)) + } else if column.Align == "right" { + w.WriteString(strings.Repeat(" ", n) + content) + } else { + w.WriteString(content + strings.Repeat(" ", n)) + } + w.WriteString(` |`) + } + } + w.WriteString("\n") + } +} + +func (w *OrgWriter) WriteHorizontalRule(hr HorizontalRule) { + w.WriteString(w.indent + "-----\n") +} + +func (w *OrgWriter) WriteText(t Text) { w.WriteString(t.Content) } + +func (w *OrgWriter) WriteEmphasis(e Emphasis) { + borders, ok := emphasisOrgBorders[e.Kind] + if !ok { + panic(fmt.Sprintf("bad emphasis %#v", e)) + } + w.WriteString(borders[0]) + WriteNodes(w, e.Content...) + w.WriteString(borders[1]) +} + +func (w *OrgWriter) WriteLatexFragment(l LatexFragment) { + w.WriteString(l.OpeningPair) + WriteNodes(w, l.Content...) + w.WriteString(l.ClosingPair) +} + +func (w *OrgWriter) WriteStatisticToken(s StatisticToken) { + w.WriteString(fmt.Sprintf("[%s]", s.Content)) +} + +func (w *OrgWriter) WriteLineBreak(l LineBreak) { + w.WriteString(strings.Repeat("\n"+w.indent, l.Count)) +} + +func (w *OrgWriter) WriteExplicitLineBreak(l ExplicitLineBreak) { + w.WriteString(`\\` + "\n" + w.indent) +} + +func (w *OrgWriter) WriteTimestamp(t Timestamp) { + w.WriteString("<") + if t.IsDate { + w.WriteString(t.Time.Format(datestampFormat)) + } else { + w.WriteString(t.Time.Format(timestampFormat)) + } + if t.Interval != "" { + w.WriteString(" " + t.Interval) + } + w.WriteString(">") +} + +func (w *OrgWriter) WriteFootnoteLink(l FootnoteLink) { + w.WriteString("[fn:" + l.Name) + if l.Definition != nil { + w.WriteString(":") + WriteNodes(w, l.Definition.Children[0].(Paragraph).Children...) + } + w.WriteString("]") +} + +func (w *OrgWriter) WriteRegularLink(l RegularLink) { + if l.AutoLink { + w.WriteString(l.URL) + } else if l.Description == nil { + w.WriteString(fmt.Sprintf("[[%s]]", l.URL)) + } else { + descriptionWriter := w.emptyClone() + WriteNodes(descriptionWriter, l.Description...) + description := descriptionWriter.String() + w.WriteString(fmt.Sprintf("[[%s][%s]]", l.URL, description)) + } +} diff --git a/vendor/github.com/niklasfasching/go-org/org/paragraph.go b/vendor/github.com/niklasfasching/go-org/org/paragraph.go new file mode 100644 index 0000000000..b7d3ea92ce --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/paragraph.go @@ -0,0 +1,46 @@ +package org + +import ( + "regexp" + "strings" +) + +type Paragraph struct{ Children []Node } +type HorizontalRule struct{} + +var horizontalRuleRegexp = regexp.MustCompile(`^(\s*)-{5,}\s*$`) +var plainTextRegexp = regexp.MustCompile(`^(\s*)(.*)`) + +func lexText(line string) (token, bool) { + if m := plainTextRegexp.FindStringSubmatch(line); m != nil { + return token{"text", len(m[1]), m[2], m}, true + } + return nilToken, false +} + +func lexHorizontalRule(line string) (token, bool) { + if m := horizontalRuleRegexp.FindStringSubmatch(line); m != nil { + return token{"horizontalRule", len(m[1]), "", m}, true + } + return nilToken, false +} + +func (d *Document) parseParagraph(i int, parentStop stopFn) (int, Node) { + lines, start := []string{d.tokens[i].content}, i + i++ + stop := func(d *Document, i int) bool { + return parentStop(d, i) || d.tokens[i].kind != "text" || d.tokens[i].content == "" + } + for ; !stop(d, i); i++ { + lines = append(lines, d.tokens[i].content) + } + consumed := i - start + return consumed, Paragraph{d.parseInline(strings.Join(lines, "\n"))} +} + +func (d *Document) parseHorizontalRule(i int, parentStop stopFn) (int, Node) { + return 1, HorizontalRule{} +} + +func (n Paragraph) String() string { return orgWriter.nodesAsString(n) } +func (n HorizontalRule) String() string { return orgWriter.nodesAsString(n) } diff --git a/vendor/github.com/niklasfasching/go-org/org/table.go b/vendor/github.com/niklasfasching/go-org/org/table.go new file mode 100644 index 0000000000..a404e1a9f2 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/table.go @@ -0,0 +1,130 @@ +package org + +import ( + "regexp" + "strconv" + "strings" + "unicode/utf8" +) + +type Table struct { + Rows []Row + ColumnInfos []ColumnInfo +} + +type Row struct { + Columns []Column + IsSpecial bool +} + +type Column struct { + Children []Node + *ColumnInfo +} + +type ColumnInfo struct { + Align string + Len int +} + +var tableSeparatorRegexp = regexp.MustCompile(`^(\s*)(\|[+-|]*)\s*$`) +var tableRowRegexp = regexp.MustCompile(`^(\s*)(\|.*)`) + +var columnAlignRegexp = regexp.MustCompile(`^<(l|c|r)>$`) + +func lexTable(line string) (token, bool) { + if m := tableSeparatorRegexp.FindStringSubmatch(line); m != nil { + return token{"tableSeparator", len(m[1]), m[2], m}, true + } else if m := tableRowRegexp.FindStringSubmatch(line); m != nil { + return token{"tableRow", len(m[1]), m[2], m}, true + } + return nilToken, false +} + +func (d *Document) parseTable(i int, parentStop stopFn) (int, Node) { + rawRows, start := [][]string{}, i + for ; !parentStop(d, i); i++ { + if t := d.tokens[i]; t.kind == "tableRow" { + rawRow := strings.FieldsFunc(d.tokens[i].content, func(r rune) bool { return r == '|' }) + for i := range rawRow { + rawRow[i] = strings.TrimSpace(rawRow[i]) + } + rawRows = append(rawRows, rawRow) + } else if t.kind == "tableSeparator" { + rawRows = append(rawRows, nil) + } else { + break + } + } + + table := Table{nil, getColumnInfos(rawRows)} + for _, rawColumns := range rawRows { + row := Row{nil, isSpecialRow(rawColumns)} + if len(rawColumns) != 0 { + for i := range table.ColumnInfos { + column := Column{nil, &table.ColumnInfos[i]} + if i < len(rawColumns) { + column.Children = d.parseInline(rawColumns[i]) + } + row.Columns = append(row.Columns, column) + } + } + table.Rows = append(table.Rows, row) + } + return i - start, table +} + +func getColumnInfos(rows [][]string) []ColumnInfo { + columnCount := 0 + for _, columns := range rows { + if n := len(columns); n > columnCount { + columnCount = n + } + } + + columnInfos := make([]ColumnInfo, columnCount) + for i := 0; i < columnCount; i++ { + countNumeric, countNonNumeric := 0, 0 + for _, columns := range rows { + if i >= len(columns) { + continue + } + + if n := utf8.RuneCountInString(columns[i]); n > columnInfos[i].Len { + columnInfos[i].Len = n + } + + if m := columnAlignRegexp.FindStringSubmatch(columns[i]); m != nil && isSpecialRow(columns) { + switch m[1] { + case "l": + columnInfos[i].Align = "left" + case "c": + columnInfos[i].Align = "center" + case "r": + columnInfos[i].Align = "right" + } + } else if _, err := strconv.ParseFloat(columns[i], 32); err == nil { + countNumeric++ + } else if strings.TrimSpace(columns[i]) != "" { + countNonNumeric++ + } + } + + if columnInfos[i].Align == "" && countNumeric >= countNonNumeric { + columnInfos[i].Align = "right" + } + } + return columnInfos +} + +func isSpecialRow(rawColumns []string) bool { + isAlignRow := true + for _, rawColumn := range rawColumns { + if !columnAlignRegexp.MatchString(rawColumn) && rawColumn != "" { + isAlignRow = false + } + } + return isAlignRow +} + +func (n Table) String() string { return orgWriter.nodesAsString(n) } diff --git a/vendor/github.com/niklasfasching/go-org/org/util.go b/vendor/github.com/niklasfasching/go-org/org/util.go new file mode 100644 index 0000000000..c25bf27ee2 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/util.go @@ -0,0 +1,19 @@ +package org + +func isSecondBlankLine(d *Document, i int) bool { + if i-1 <= 0 { + return false + } + t1, t2 := d.tokens[i-1], d.tokens[i] + if t1.kind == "text" && t2.kind == "text" && t1.content == "" && t2.content == "" { + return true + } + return false +} + +func isImageOrVideoLink(n Node) bool { + if l, ok := n.(RegularLink); ok && l.Kind() == "video" || l.Kind() == "image" { + return true + } + return false +} diff --git a/vendor/github.com/niklasfasching/go-org/org/writer.go b/vendor/github.com/niklasfasching/go-org/org/writer.go new file mode 100644 index 0000000000..c4aebd69f5 --- /dev/null +++ b/vendor/github.com/niklasfasching/go-org/org/writer.go @@ -0,0 +1,103 @@ +package org + +import "fmt" + +// Writer is the interface that is used to export a parsed document into a new format. See Document.Write(). +type Writer interface { + Before(*Document) // Before is called before any nodes are passed to the writer. + After(*Document) // After is called after all nodes have been passed to the writer. + String() string // String is called at the very end to retrieve the final output. + + WriterWithExtensions() Writer + + WriteKeyword(Keyword) + WriteInclude(Include) + WriteComment(Comment) + WriteNodeWithMeta(NodeWithMeta) + WriteNodeWithName(NodeWithName) + WriteHeadline(Headline) + WriteBlock(Block) + WriteExample(Example) + WriteDrawer(Drawer) + WritePropertyDrawer(PropertyDrawer) + WriteList(List) + WriteListItem(ListItem) + WriteDescriptiveListItem(DescriptiveListItem) + WriteTable(Table) + WriteHorizontalRule(HorizontalRule) + WriteParagraph(Paragraph) + WriteText(Text) + WriteEmphasis(Emphasis) + WriteLatexFragment(LatexFragment) + WriteStatisticToken(StatisticToken) + WriteExplicitLineBreak(ExplicitLineBreak) + WriteLineBreak(LineBreak) + WriteRegularLink(RegularLink) + WriteTimestamp(Timestamp) + WriteFootnoteLink(FootnoteLink) + WriteFootnoteDefinition(FootnoteDefinition) +} + +func WriteNodes(w Writer, nodes ...Node) { + w = w.WriterWithExtensions() + for _, n := range nodes { + switch n := n.(type) { + case Keyword: + w.WriteKeyword(n) + case Include: + w.WriteInclude(n) + case Comment: + w.WriteComment(n) + case NodeWithMeta: + w.WriteNodeWithMeta(n) + case NodeWithName: + w.WriteNodeWithName(n) + case Headline: + w.WriteHeadline(n) + case Block: + w.WriteBlock(n) + case Example: + w.WriteExample(n) + case Drawer: + w.WriteDrawer(n) + case PropertyDrawer: + w.WritePropertyDrawer(n) + case List: + w.WriteList(n) + case ListItem: + w.WriteListItem(n) + case DescriptiveListItem: + w.WriteDescriptiveListItem(n) + case Table: + w.WriteTable(n) + case HorizontalRule: + w.WriteHorizontalRule(n) + case Paragraph: + w.WriteParagraph(n) + case Text: + w.WriteText(n) + case Emphasis: + w.WriteEmphasis(n) + case LatexFragment: + w.WriteLatexFragment(n) + case StatisticToken: + w.WriteStatisticToken(n) + case ExplicitLineBreak: + w.WriteExplicitLineBreak(n) + case LineBreak: + w.WriteLineBreak(n) + case RegularLink: + w.WriteRegularLink(n) + case Timestamp: + w.WriteTimestamp(n) + case FootnoteLink: + w.WriteFootnoteLink(n) + case FootnoteDefinition: + w.WriteFootnoteDefinition(n) + default: + if n != nil { + panic(fmt.Sprintf("bad node %T %#v", n, n)) + } + } + } +} diff --git a/vendor/github.com/russross/blackfriday/doc.go b/vendor/github.com/russross/blackfriday/doc.go deleted file mode 100644 index 9656c42a19..0000000000 --- a/vendor/github.com/russross/blackfriday/doc.go +++ /dev/null @@ -1,32 +0,0 @@ -// Package blackfriday is a Markdown processor. -// -// It translates plain text with simple formatting rules into HTML or LaTeX. -// -// Sanitized Anchor Names -// -// Blackfriday includes an algorithm for creating sanitized anchor names -// corresponding to a given input text. This algorithm is used to create -// anchors for headings when EXTENSION_AUTO_HEADER_IDS is enabled. The -// algorithm is specified below, so that other packages can create -// compatible anchor names and links to those anchors. -// -// The algorithm iterates over the input text, interpreted as UTF-8, -// one Unicode code point (rune) at a time. All runes that are letters (category L) -// or numbers (category N) are considered valid characters. They are mapped to -// lower case, and included in the output. All other runes are considered -// invalid characters. Invalid characters that preceed the first valid character, -// as well as invalid character that follow the last valid character -// are dropped completely. All other sequences of invalid characters -// between two valid characters are replaced with a single dash character '-'. -// -// SanitizedAnchorName exposes this functionality, and can be used to -// create compatible links to the anchor names generated by blackfriday. -// This algorithm is also implemented in a small standalone package at -// github.com/shurcooL/sanitized_anchor_name. It can be useful for clients -// that want a small package and don't need full functionality of blackfriday. -package blackfriday - -// NOTE: Keep Sanitized Anchor Name algorithm in sync with package -// github.com/shurcooL/sanitized_anchor_name. -// Otherwise, users of sanitized_anchor_name will get anchor names -// that are incompatible with those generated by blackfriday. diff --git a/vendor/github.com/russross/blackfriday/html.go b/vendor/github.com/russross/blackfriday/html.go deleted file mode 100644 index e0a6c69c96..0000000000 --- a/vendor/github.com/russross/blackfriday/html.go +++ /dev/null @@ -1,938 +0,0 @@ -// -// Blackfriday Markdown Processor -// Available at http://github.com/russross/blackfriday -// -// Copyright © 2011 Russ Ross . -// Distributed under the Simplified BSD License. -// See README.md for details. -// - -// -// -// HTML rendering backend -// -// - -package blackfriday - -import ( - "bytes" - "fmt" - "regexp" - "strconv" - "strings" -) - -// Html renderer configuration options. -const ( - HTML_SKIP_HTML = 1 << iota // skip preformatted HTML blocks - HTML_SKIP_STYLE // skip embedded