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gitea/vendor/github.com/alecthomas/chroma/lexers/x/xml.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

45 lines
1.2 KiB
Go
Vendored

package x
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// XML lexer.
var XML = internal.Register(MustNewLexer(
&Config{
Name: "XML",
Aliases: []string{"xml"},
Filenames: []string{"*.xml", "*.xsl", "*.rss", "*.xslt", "*.xsd", "*.wsdl", "*.wsf", "*.svg"},
MimeTypes: []string{"text/xml", "application/xml", "image/svg+xml", "application/rss+xml", "application/atom+xml"},
DotAll: true,
},
Rules{
"root": {
{`[^<&]+`, Text, nil},
{`&\S*?;`, NameEntity, nil},
{`\<\!\[CDATA\[.*?\]\]\>`, CommentPreproc, nil},
{`<!--`, Comment, Push("comment")},
{`<\?.*?\?>`, CommentPreproc, nil},
{`<![^>]*>`, CommentPreproc, nil},
{`<\s*[\w:.-]+`, NameTag, Push("tag")},
{`<\s*/\s*[\w:.-]+\s*>`, NameTag, nil},
},
"comment": {
{`[^-]+`, Comment, nil},
{`-->`, Comment, Pop(1)},
{`-`, Comment, nil},
},
"tag": {
{`\s+`, Text, nil},
{`[\w.:-]+\s*=`, NameAttribute, Push("attr")},
{`/?\s*>`, NameTag, Pop(1)},
},
"attr": {
{`\s+`, Text, nil},
{`".*?"`, LiteralString, Pop(1)},
{`'.*?'`, LiteralString, Pop(1)},
{`[^\s>]+`, LiteralString, Pop(1)},
},
},
))