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gitea/vendor/github.com/alecthomas/chroma/lexers/y/yaml.go
mrsdizzie af7ffaa279
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>
2020-07-01 00:34:03 +03:00

50 lines
1.5 KiB
Go

package y
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
var YAML = internal.Register(MustNewLexer(
&Config{
Name: "YAML",
Aliases: []string{"yaml"},
Filenames: []string{"*.yaml", "*.yml"},
MimeTypes: []string{"text/x-yaml"},
},
Rules{
"root": {
Include("whitespace"),
{`^---`, Text, nil},
{`[\n?]?\s*- `, Text, nil},
{`#.*$`, Comment, nil},
{`!![^\s]+`, CommentPreproc, nil},
{`&[^\s]+`, CommentPreproc, nil},
{`\*[^\s]+`, CommentPreproc, nil},
{`^%include\s+[^\n\r]+`, CommentPreproc, nil},
{`([>|+-]\s+)(\s+)((?:(?:.*?$)(?:[\n\r]*?)?)*)`, ByGroups(StringDoc, StringDoc, StringDoc), nil},
Include("key"),
Include("value"),
{`[?:,\[\]]`, Punctuation, nil},
{`.`, Text, nil},
},
"value": {
{Words(``, `\b`, "true", "false", "null"), KeywordConstant, nil},
{`"(?:\\.|[^"])*"`, StringDouble, nil},
{`'(?:\\.|[^'])*'`, StringSingle, nil},
{`\d\d\d\d-\d\d-\d\d([T ]\d\d:\d\d:\d\d(\.\d+)?(Z|\s+[-+]\d+)?)?`, LiteralDate, nil},
{`\b[+\-]?(0x[\da-f]+|0o[0-7]+|(\d+\.?\d*|\.?\d+)(e[\+\-]?\d+)?|\.inf|\.nan)\b`, Number, nil},
{`\b[\w]+\b`, Text, nil},
},
"key": {
{`"[^"\n].*": `, Keyword, nil},
{`(-)( )([^"\n{]*)(:)( )`, ByGroups(Punctuation, Whitespace, Keyword, Punctuation, Whitespace), nil},
{`([^"\n{]*)(:)( )`, ByGroups(Keyword, Punctuation, Whitespace), nil},
{`([^"\n{]*)(:)(\n)`, ByGroups(Keyword, Punctuation, Whitespace), nil},
},
"whitespace": {
{`\s+`, Whitespace, nil},
{`\n+`, Whitespace, nil},
},
},
))