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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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336 changed files with 37293 additions and 769 deletions
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10
routers/repo/blame.go
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@ -19,7 +19,6 @@ import (
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/highlight"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/timeutil"
)
@ -109,10 +108,7 @@ func RefBlame(ctx *context.Context) {
ctx.Data["TreeLink"] = treeLink
ctx.Data["TreeNames"] = treeNames
ctx.Data["BranchLink"] = branchLink
ctx.Data["HighlightClass"] = highlight.FileNameToHighlightClass(entry.Name())
if !markup.IsReadmeFile(blob.Name()) {
ctx.Data["RequireHighlightJS"] = true
}
ctx.Data["RawFileLink"] = rawLink + "/" + ctx.Repo.TreePath
ctx.Data["PageIsViewCode"] = true
@ -236,11 +232,11 @@ func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames m
lineNumbers.WriteString(fmt.Sprintf(`<span id="L%d" data-line-number="%d"></span>`, i, i))
}
//Code line
line = gotemplate.HTMLEscapeString(line)
if i != len(lines)-1 {
line += "\n"
}
fileName := fmt.Sprintf("%v", ctx.Data["FileName"])
line = highlight.Code(fileName, line)
if len(part.Lines)-1 == index && len(blameParts)-1 != pi {
codeLines.WriteString(fmt.Sprintf(`<li class="L%d bottom-line" rel="L%d">%s</li>`, i, i, line))
} else {