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Server-side syntax highlighting for all code (#12047)

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* 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 2020-06-30 17:34:03 -04:00 • committed by GitHub
parent ce5f2b9845
commit af7ffaa279
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GPG key ID: 4AEE18F83AFDEB23
336 changed files with 37293 additions and 769 deletions
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69
vendor/github.com/alecthomas/chroma/lexers/d/dtd.go generated vendored Normal file
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@ -0,0 +1,69 @@
package d
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Dtd lexer.
var Dtd = internal.Register(MustNewLexer(
&Config{
Name: "DTD",
Aliases: []string{"dtd"},
Filenames: []string{"*.dtd"},
MimeTypes: []string{"application/xml-dtd"},
DotAll: true,
},
Rules{
"root": {
Include("common"),
{`(<!ELEMENT)(\s+)(\S+)`, ByGroups(Keyword, Text, NameTag), Push("element")},
{`(<!ATTLIST)(\s+)(\S+)`, ByGroups(Keyword, Text, NameTag), Push("attlist")},
{`(<!ENTITY)(\s+)(\S+)`, ByGroups(Keyword, Text, NameEntity), Push("entity")},
{`(<!NOTATION)(\s+)(\S+)`, ByGroups(Keyword, Text, NameTag), Push("notation")},
{`(<!\[)([^\[\s]+)(\s*)(\[)`, ByGroups(Keyword, NameEntity, Text, Keyword), nil},
{`(<!DOCTYPE)(\s+)([^>\s]+)`, ByGroups(Keyword, Text, NameTag), nil},
{`PUBLIC|SYSTEM`, KeywordConstant, nil},
{`[\[\]>]`, Keyword, nil},
},
"common": {
{`\s+`, Text, nil},
{`(%|&)[^;]*;`, NameEntity, nil},
{`<!--`, Comment, Push("comment")},
{`[(|)*,?+]`, Operator, nil},
{`"[^"]*"`, LiteralStringDouble, nil},
{`\'[^\']*\'`, LiteralStringSingle, nil},
},
"comment": {
{`[^-]+`, Comment, nil},
{`-->`, Comment, Pop(1)},
{`-`, Comment, nil},
},
"element": {
Include("common"),
{`EMPTY|ANY|#PCDATA`, KeywordConstant, nil},
{`[^>\s|()?+*,]+`, NameTag, nil},
{`>`, Keyword, Pop(1)},
},
"attlist": {
Include("common"),
{`CDATA|IDREFS|IDREF|ID|NMTOKENS|NMTOKEN|ENTITIES|ENTITY|NOTATION`, KeywordConstant, nil},
{`#REQUIRED|#IMPLIED|#FIXED`, KeywordConstant, nil},
{`xml:space|xml:lang`, KeywordReserved, nil},
{`[^>\s|()?+*,]+`, NameAttribute, nil},
{`>`, Keyword, Pop(1)},
},
"entity": {
Include("common"),
{`SYSTEM|PUBLIC|NDATA`, KeywordConstant, nil},
{`[^>\s|()?+*,]+`, NameEntity, nil},
{`>`, Keyword, Pop(1)},
},
"notation": {
Include("common"),
{`SYSTEM|PUBLIC`, KeywordConstant, nil},
{`[^>\s|()?+*,]+`, NameAttribute, nil},
{`>`, Keyword, Pop(1)},
},
},
))