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Server-side syntax highlighting for all code (#12047)
* Server-side syntax hilighting for all code This PR does a few things: * Remove all traces of highlight.js * Use chroma library to provide fast syntax hilighting directly on the server * Provide syntax hilighting for diffs * Re-style both unified and split diffs views * Add custom syntax hilighting styling for both regular and arc-green Fixes #7729 Fixes #10157 Fixes #11825 Fixes #7728 Fixes #3872 Fixes #3682 And perhaps gets closer to #9553 * fix line marker * fix repo search * Fix single line select * properly load settings * npm uninstall highlight.js * review suggestion * code review * forgot to call function * fix test * Apply suggestions from code review suggestions from @silverwind thanks Co-authored-by: silverwind <me@silverwind.io> * code review * copy/paste error * Use const for highlight size limit * Update web_src/less/_repository.less Co-authored-by: Lauris BH <lauris@nix.lv> * update size limit to 1MB and other styling tweaks * fix highlighting for certain diff sections * fix test * add worker back as suggested Co-authored-by: silverwind <me@silverwind.io> Co-authored-by: Lauris BH <lauris@nix.lv>
This commit is contained in:
mrsdizzie
GitHub
102
vendor/github.com/alecthomas/chroma/lexers/o/org.go
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vendored
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102
vendor/github.com/alecthomas/chroma/lexers/o/org.go
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@@ -0,0 +1,102 @@
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package o
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// Org mode lexer.
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var Org = internal.Register(MustNewLexer(
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&Config{
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Name: "Org Mode",
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Aliases: []string{"org", "orgmode"},
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Filenames: []string{"*.org"},
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MimeTypes: []string{"text/org"}, // https://lists.gnu.org/r/emacs-orgmode/2017-09/msg00087.html
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},
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Rules{
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"root": {
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{`^# .*$`, Comment, nil},
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// Headings
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{`^(\*)( COMMENT)( .*)$`, ByGroups(GenericHeading, NameEntity, GenericStrong), nil},
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{`^(\*\*+)( COMMENT)( .*)$`, ByGroups(GenericSubheading, NameEntity, Text), nil},
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{`^(\*)( DONE)( .*)$`, ByGroups(GenericHeading, LiteralStringRegex, GenericStrong), nil},
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{`^(\*\*+)( DONE)( .*)$`, ByGroups(GenericSubheading, LiteralStringRegex, Text), nil},
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{`^(\*)( TODO)( .*)$`, ByGroups(GenericHeading, Error, GenericStrong), nil},
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{`^(\*\*+)( TODO)( .*)$`, ByGroups(GenericSubheading, Error, Text), nil},
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{`^(\*)( .+?)( :[a-zA-Z0-9_@:]+:)$`, ByGroups(GenericHeading, GenericStrong, GenericEmph), nil}, // Level 1 heading with tags
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{`^(\*)( .+)$`, ByGroups(GenericHeading, GenericStrong), nil}, // // Level 1 heading with NO tags
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{`^(\*\*+)( .+?)( :[a-zA-Z0-9_@:]+:)$`, ByGroups(GenericSubheading, Text, GenericEmph), nil}, // Level 2+ heading with tags
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{`^(\*\*+)( .+)$`, ByGroups(GenericSubheading, Text), nil}, // Level 2+ heading with NO tags
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// Checkbox lists
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{`^( *)([+-] )(\[[ X]\])( .+)$`, ByGroups(Text, Keyword, Keyword, UsingSelf("inline")), nil},
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{`^( +)(\* )(\[[ X]\])( .+)$`, ByGroups(Text, Keyword, Keyword, UsingSelf("inline")), nil},
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// Definition lists
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{`^( *)([+-] )([^ \n]+ ::)( .+)$`, ByGroups(Text, Keyword, Keyword, UsingSelf("inline")), nil},
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{`^( +)(\* )([^ \n]+ ::)( .+)$`, ByGroups(Text, Keyword, Keyword, UsingSelf("inline")), nil},
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// Unordered lists
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{`^( *)([+-] )(.+)$`, ByGroups(Text, Keyword, UsingSelf("inline")), nil},
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{`^( +)(\* )(.+)$`, ByGroups(Text, Keyword, UsingSelf("inline")), nil},
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// Ordered lists
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{`^( *)([0-9]+[.)])( \[@[0-9]+\])( .+)$`, ByGroups(Text, Keyword, GenericEmph, UsingSelf("inline")), nil},
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{`^( *)([0-9]+[.)])( .+)$`, ByGroups(Text, Keyword, UsingSelf("inline")), nil},
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// Dynamic Blocks
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{`(?i)^( *#\+begin: )([^ ]+)([\w\W]*?\n)([\w\W]*?)(^ *#\+end: *$)`, ByGroups(Comment, CommentSpecial, Comment, UsingSelf("inline"), Comment), nil},
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// Blocks
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// - Comment Blocks
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{`(?i)^( *#\+begin_comment *\n)([\w\W]*?)(^ *#\+end_comment *$)`, ByGroups(Comment, Comment, Comment), nil},
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// - Src Blocks
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{`(?i)^( *#\+begin_src )([^ \n]+)(.*?\n)([\w\W]*?)(^ *#\+end_src *$)`,
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UsingByGroup(
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internal.Get,
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2, 4,
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Comment, CommentSpecial, Comment, Text, Comment,
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),
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nil,
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},
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// - Export Blocks
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{`(?i)^( *#\+begin_export )(\w+)( *\n)([\w\W]*?)(^ *#\+end_export *$)`,
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UsingByGroup(
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internal.Get,
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2, 4,
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Comment, CommentSpecial, Text, Text, Comment,
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),
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nil,
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},
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// - Org Special, Example, Verse, etc. Blocks
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{`(?i)^( *#\+begin_)(\w+)( *\n)([\w\W]*?)(^ *#\+end_\2)( *$)`, ByGroups(Comment, Comment, Text, Text, Comment, Text), nil},
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// Keywords
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{`^(#\+\w+)(:.*)$`, ByGroups(CommentSpecial, Comment), nil}, // Other Org keywords like #+title
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// Properties and Drawers
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{`(?i)^( *:\w+: *\n)([\w\W]*?)(^ *:end: *$)`, ByGroups(Comment, CommentSpecial, Comment), nil},
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// Line break operator
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{`^(.*)(\\\\)$`, ByGroups(UsingSelf("inline"), Operator), nil},
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// Deadline/Scheduled
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{`(?i)^( *(?:DEADLINE|SCHEDULED): )(<[^<>]+?> *)$`, ByGroups(Comment, CommentSpecial), nil}, // DEADLINE/SCHEDULED: <datestamp>
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// DONE state CLOSED
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{`(?i)^( *CLOSED: )(\[[^][]+?\] *)$`, ByGroups(Comment, CommentSpecial), nil}, // CLOSED: [datestamp]
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// All other lines
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Include("inline"),
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},
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"inline": {
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{`(\s)*(\*[^ \n*][^*]+?[^ \n*]\*)((?=\W|\n|$))`, ByGroups(Text, GenericStrong, Text), nil}, // Bold
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{`(\s)*(/[^/]+?/)((?=\W|\n|$))`, ByGroups(Text, GenericEmph, Text), nil}, // Italic
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{`(\s)*(=[^\n=]+?=)((?=\W|\n|$))`, ByGroups(Text, NameClass, Text), nil}, // Verbatim
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{`(\s)*(~[^\n~]+?~)((?=\W|\n|$))`, ByGroups(Text, NameClass, Text), nil}, // Code
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{`(\s)*(\+[^+]+?\+)((?=\W|\n|$))`, ByGroups(Text, GenericDeleted, Text), nil}, // Strikethrough
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{`(\s)*(_[^_]+?_)((?=\W|\n|$))`, ByGroups(Text, GenericUnderline, Text), nil}, // Underline
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{`(<)([^<>]+?)(>)`, ByGroups(Text, String, Text), nil}, // <datestamp>
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{`[{]{3}[^}]+[}]{3}`, NameBuiltin, nil}, // {{{macro(foo,1)}}}
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{`([^[])(\[fn:)([^]]+?)(\])([^]])`, ByGroups(Text, NameBuiltinPseudo, LiteralString, NameBuiltinPseudo, Text), nil}, // [fn:1]
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// Links
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{`(\[\[)([^][]+?)(\]\[)([^][]+)(\]\])`, ByGroups(Text, NameAttribute, Text, NameTag, Text), nil}, // [[link][descr]]
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{`(\[\[)([^][]+?)(\]\])`, ByGroups(Text, NameAttribute, Text), nil}, // [[link]]
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{`(<<)([^<>]+?)(>>)`, ByGroups(Text, NameAttribute, Text), nil}, // <<targetlink>>
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// Tables
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{`^( *)(\|[ -].*?[ -]\|)$`, ByGroups(Text, String), nil},
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// Blank lines, newlines
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{`\n`, Text, nil},
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// Any other text
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{`.`, Text, nil},
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},
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},
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))
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