Merge pull request #2528 from andreynering/diff-sintax-highlight-733

Enable syntax highlighting on diff view

models/git_diff.go

@@ -26,6 +26,7 @@ import (
 	"github.com/gogits/gogs/modules/base"
 	"github.com/gogits/gogs/modules/log"
 	"github.com/gogits/gogs/modules/process"
+	"github.com/gogits/gogs/modules/template/highlight"
 )
 
 type DiffLineType uint8
@@ -160,12 +161,20 @@ type DiffFile struct {
 	IsBin              bool
 	IsRenamed          bool
 	Sections           []*DiffSection
+	HighlightClass     string
 }
 
 func (diffFile *DiffFile) GetType() int {
 	return int(diffFile.Type)
 }
 
+func (diffFile *DiffFile) GetHighlightClass() string {
+	if diffFile.HighlightClass == "" {
+		diffFile.HighlightClass = highlight.FileNameToHighlightClass(diffFile.Name)
+	}
+	return diffFile.HighlightClass
+}
+
 type Diff struct {
 	TotalAddition, TotalDeletion int
 	Files                        []*DiffFile

models/git_diff_test.go

@@ -1,70 +1,70 @@
 package models
 
 import (
-  dmp "github.com/sergi/go-diff/diffmatchpatch"
+	dmp "github.com/sergi/go-diff/diffmatchpatch"
-  "html/template"
+	"html/template"
-  "testing"
+	"testing"
 )
 
 func assertEqual(t *testing.T, s1 string, s2 template.HTML) {
-  if s1 != string(s2) {
+	if s1 != string(s2) {
-    t.Errorf("%s should be equal %s", s2, s1)
+		t.Errorf("%s should be equal %s", s2, s1)
-  }
+	}
 }
 
 func assertLineEqual(t *testing.T, d1 *DiffLine, d2 *DiffLine) {
-  if d1 != d2 {
+	if d1 != d2 {
-    t.Errorf("%v should be equal %v", d1, d2)
+		t.Errorf("%v should be equal %v", d1, d2)
-  }
+	}
 }
 
 func TestDiffToHTML(t *testing.T) {
-  assertEqual(t, "foo <span class=\"added-code\">bar</span> biz", diffToHTML([]dmp.Diff{
+	assertEqual(t, "foo <span class=\"added-code\">bar</span> biz", diffToHTML([]dmp.Diff{
-    dmp.Diff{dmp.DiffEqual, "foo "},
+		dmp.Diff{dmp.DiffEqual, "foo "},
-    dmp.Diff{dmp.DiffInsert, "bar"},
+		dmp.Diff{dmp.DiffInsert, "bar"},
-    dmp.Diff{dmp.DiffDelete, " baz"},
+		dmp.Diff{dmp.DiffDelete, " baz"},
-    dmp.Diff{dmp.DiffEqual, " biz"},
+		dmp.Diff{dmp.DiffEqual, " biz"},
-  }, DIFF_LINE_ADD))
+	}, DIFF_LINE_ADD))
 
-  assertEqual(t, "foo <span class=\"removed-code\">bar</span> biz", diffToHTML([]dmp.Diff{
+	assertEqual(t, "foo <span class=\"removed-code\">bar</span> biz", diffToHTML([]dmp.Diff{
-    dmp.Diff{dmp.DiffEqual, "foo "},
+		dmp.Diff{dmp.DiffEqual, "foo "},
-    dmp.Diff{dmp.DiffDelete, "bar"},
+		dmp.Diff{dmp.DiffDelete, "bar"},
-    dmp.Diff{dmp.DiffInsert, " baz"},
+		dmp.Diff{dmp.DiffInsert, " baz"},
-    dmp.Diff{dmp.DiffEqual, " biz"},
+		dmp.Diff{dmp.DiffEqual, " biz"},
-  }, DIFF_LINE_DEL))
+	}, DIFF_LINE_DEL))
 }
 
 // test if GetLine is return the correct lines
 func TestGetLine(t *testing.T) {
-  ds := DiffSection{Lines: []*DiffLine{
+	ds := DiffSection{Lines: []*DiffLine{
-    &DiffLine{LeftIdx: 28,  RightIdx:   28, Type: DIFF_LINE_PLAIN},
+		&DiffLine{LeftIdx: 28, RightIdx: 28, Type: DIFF_LINE_PLAIN},
-    &DiffLine{LeftIdx: 29,  RightIdx:   29, Type: DIFF_LINE_PLAIN},
+		&DiffLine{LeftIdx: 29, RightIdx: 29, Type: DIFF_LINE_PLAIN},
-    &DiffLine{LeftIdx: 30,  RightIdx:   30, Type: DIFF_LINE_PLAIN},
+		&DiffLine{LeftIdx: 30, RightIdx: 30, Type: DIFF_LINE_PLAIN},
-    &DiffLine{LeftIdx: 31,  RightIdx:    0, Type: DIFF_LINE_DEL},
+		&DiffLine{LeftIdx: 31, RightIdx: 0, Type: DIFF_LINE_DEL},
-    &DiffLine{LeftIdx:  0,  RightIdx:   31, Type: DIFF_LINE_ADD},
+		&DiffLine{LeftIdx: 0, RightIdx: 31, Type: DIFF_LINE_ADD},
-    &DiffLine{LeftIdx:  0,  RightIdx:   32, Type: DIFF_LINE_ADD},
+		&DiffLine{LeftIdx: 0, RightIdx: 32, Type: DIFF_LINE_ADD},
-    &DiffLine{LeftIdx: 32,  RightIdx:   33, Type: DIFF_LINE_PLAIN},
+		&DiffLine{LeftIdx: 32, RightIdx: 33, Type: DIFF_LINE_PLAIN},
-    &DiffLine{LeftIdx: 33,  RightIdx:    0, Type: DIFF_LINE_DEL},
+		&DiffLine{LeftIdx: 33, RightIdx: 0, Type: DIFF_LINE_DEL},
-    &DiffLine{LeftIdx: 34,  RightIdx:    0, Type: DIFF_LINE_DEL},
+		&DiffLine{LeftIdx: 34, RightIdx: 0, Type: DIFF_LINE_DEL},
-    &DiffLine{LeftIdx: 35,  RightIdx:    0, Type: DIFF_LINE_DEL},
+		&DiffLine{LeftIdx: 35, RightIdx: 0, Type: DIFF_LINE_DEL},
-    &DiffLine{LeftIdx: 36,  RightIdx:    0, Type: DIFF_LINE_DEL},
+		&DiffLine{LeftIdx: 36, RightIdx: 0, Type: DIFF_LINE_DEL},
-    &DiffLine{LeftIdx:  0,  RightIdx:   34, Type: DIFF_LINE_ADD},
+		&DiffLine{LeftIdx: 0, RightIdx: 34, Type: DIFF_LINE_ADD},
-    &DiffLine{LeftIdx:  0,  RightIdx:   35, Type: DIFF_LINE_ADD},
+		&DiffLine{LeftIdx: 0, RightIdx: 35, Type: DIFF_LINE_ADD},
-    &DiffLine{LeftIdx:  0,  RightIdx:   36, Type: DIFF_LINE_ADD},
+		&DiffLine{LeftIdx: 0, RightIdx: 36, Type: DIFF_LINE_ADD},
-    &DiffLine{LeftIdx:  0,  RightIdx:   37, Type: DIFF_LINE_ADD},
+		&DiffLine{LeftIdx: 0, RightIdx: 37, Type: DIFF_LINE_ADD},
-    &DiffLine{LeftIdx: 37,  RightIdx:   38, Type: DIFF_LINE_PLAIN},
+		&DiffLine{LeftIdx: 37, RightIdx: 38, Type: DIFF_LINE_PLAIN},
-    &DiffLine{LeftIdx: 38,  RightIdx:   39, Type: DIFF_LINE_PLAIN},
+		&DiffLine{LeftIdx: 38, RightIdx: 39, Type: DIFF_LINE_PLAIN},
-  }}
+	}}
 
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 31), ds.Lines[4])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 31), ds.Lines[4])
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 31), ds.Lines[3])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 31), ds.Lines[3])
 
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 33), ds.Lines[11])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 33), ds.Lines[11])
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 34), ds.Lines[12])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 34), ds.Lines[12])
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 35), ds.Lines[13])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 35), ds.Lines[13])
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 36), ds.Lines[14])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_ADD, 36), ds.Lines[14])
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 34), ds.Lines[7])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 34), ds.Lines[7])
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 35), ds.Lines[8])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 35), ds.Lines[8])
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 36), ds.Lines[9])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 36), ds.Lines[9])
-  assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 37), ds.Lines[10])
+	assertLineEqual(t, ds.GetLine(DIFF_LINE_DEL, 37), ds.Lines[10])
 }

modules/template/highlight/highlight.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a MIT-style
 // license that can be found in the LICENSE file.
 
-package template
+package highlight
 
 import (
 	"path"

public/css/gogs.css

@@ -12,10 +12,12 @@ body {
 img {
   border-radius: 3px;
 }
-pre {
+pre,
+code {
   font: 12px Consolas, "Liberation Mono", Menlo, Courier, monospace;
 }
-pre.raw {
+pre.raw,
+code.raw {
   padding: 7px 12px;
   margin: 10px 0;
   background-color: #f8f8f8;
@@ -25,7 +27,8 @@ pre.raw {
   line-height: 1.5;
   overflow: auto;
 }
-pre.wrap {
+pre.wrap,
+code.wrap {
   white-space: pre-wrap;
   /* CSS 3 */
   word-break: break-word;
@@ -387,6 +390,11 @@ footer .container .links > *:first-child {
     width: 95%;
   }
 }
+/* Overrides some styles of the Highlight.js plugin */
+.hljs {
+  background: inherit !important;
+  padding: 0 !important;
+}
 .markdown {
   overflow: hidden;
   font-family: "Helvetica Neue", Helvetica, "Segoe UI", Arial, freesans, sans-serif;

public/less/_base.less

@@ -8,7 +8,7 @@ body {
 img {
 	border-radius: 3px;
 }
-pre {
+pre, code {
 	font: 12px Consolas, "Liberation Mono", Menlo, Courier, monospace;
 	&.raw {
 		padding: 7px 12px;
@@ -375,3 +375,9 @@ footer {
 		width: 95%;
 	}
 }
+
+/* Overrides some styles of the Highlight.js plugin */
+.hljs {
+	background: inherit !important;
+	padding: 0 !important;
+}

routers/install.go

@@ -28,7 +28,7 @@ import (
 	"github.com/gogits/gogs/modules/middleware"
 	"github.com/gogits/gogs/modules/setting"
 	"github.com/gogits/gogs/modules/ssh"
-	"github.com/gogits/gogs/modules/template"
+	"github.com/gogits/gogs/modules/template/highlight"
 	"github.com/gogits/gogs/modules/user"
 )
 
@@ -56,7 +56,7 @@ func NewServices() {
 // GlobalInit is for global configuration reload-able.
 func GlobalInit() {
 	setting.NewContext()
-	template.NewContext()
+	highlight.NewContext()
 	log.Trace("Custom path: %s", setting.CustomPath)
 	log.Trace("Log path: %s", setting.LogRootPath)
 	models.LoadConfigs()

routers/repo/commit.go

@@ -183,6 +183,7 @@ func Diff(ctx *middleware.Context) {
 		ctx.Data["BeforeSourcePath"] = setting.AppSubUrl + "/" + path.Join(userName, repoName, "src", parents[0])
 	}
 	ctx.Data["RawPath"] = setting.AppSubUrl + "/" + path.Join(userName, repoName, "raw", commitID)
+	ctx.Data["RequireHighlightJS"] = true
 	ctx.HTML(200, DIFF)
 }
 

routers/repo/pull.go

@@ -362,6 +362,7 @@ func ViewPullFiles(ctx *middleware.Context) {
 	ctx.Data["SourcePath"] = setting.AppSubUrl + "/" + path.Join(headTarget, "src", endCommitID)
 	ctx.Data["BeforeSourcePath"] = setting.AppSubUrl + "/" + path.Join(headTarget, "src", startCommitID)
 	ctx.Data["RawPath"] = setting.AppSubUrl + "/" + path.Join(headTarget, "raw", endCommitID)
+	ctx.Data["RequireHighlightJS"] = true
 
 	ctx.HTML(200, PULL_FILES)
 }
@@ -538,6 +539,7 @@ func CompareAndPullRequest(ctx *middleware.Context) {
 	ctx.Data["Title"] = ctx.Tr("repo.pulls.compare_changes")
 	ctx.Data["PageIsComparePull"] = true
 	ctx.Data["IsDiffCompare"] = true
+	ctx.Data["RequireHighlightJS"] = true
 	renderAttachmentSettings(ctx)
 
 	headUser, headRepo, headGitRepo, prInfo, baseBranch, headBranch := ParseCompareInfo(ctx)

routers/repo/view.go

@@ -19,6 +19,7 @@ import (
 	"github.com/gogits/gogs/modules/log"
 	"github.com/gogits/gogs/modules/middleware"
 	"github.com/gogits/gogs/modules/template"
+	"github.com/gogits/gogs/modules/template/highlight"
 )
 
 const (
@@ -79,7 +80,7 @@ func Home(ctx *middleware.Context) {
 			ctx.Data["FileSize"] = blob.Size()
 			ctx.Data["IsFile"] = true
 			ctx.Data["FileName"] = blob.Name()
-			ctx.Data["HighlightClass"] = template.FileNameToHighlightClass(blob.Name())
+			ctx.Data["HighlightClass"] = highlight.FileNameToHighlightClass(blob.Name())
 			ctx.Data["FileLink"] = rawLink + "/" + treename
 
 			buf := make([]byte, 1024)

templates/repo/diff_box.tmpl

@@ -76,13 +76,13 @@
 														<span rel="{{if $line.LeftIdx}}diff-{{Sha1 $file.Name}}L{{$line.LeftIdx}}{{end}}">{{if $line.LeftIdx}}{{$line.LeftIdx}}{{end}}</span>
 													</td>
 													<td class="lines-code halfwidth">
-														<pre class="wrap">{{if $line.LeftIdx}}{{$section.GetComputedInlineDiffFor $line}}{{end}}</pre>
+														<pre><code class="wrap {{if $file.GetHighlightClass}}language-{{$file.GetHighlightClass}}{{else}}nohighlight{{end}}">{{if $line.LeftIdx}}{{$section.GetComputedInlineDiffFor $line}}{{end}}</code></pre>
 													</td>
 													<td class="lines-num lines-num-new">
 														<span rel="{{if $line.RightIdx}}diff-{{Sha1 $file.Name}}R{{$line.RightIdx}}{{end}}">{{if $line.RightIdx}}{{$line.RightIdx}}{{end}}</span>
 													</td>
 													<td class="lines-code halfwidth">
-														<pre class="wrap">{{if $line.RightIdx}}{{$section.GetComputedInlineDiffFor $line}}{{end}}</pre>
+														<pre><code class="wrap {{if $file.GetHighlightClass}}language-{{$file.GetHighlightClass}}{{else}}nohighlight{{end}}">{{if $line.RightIdx}}{{$section.GetComputedInlineDiffFor $line}}{{end}}</code></pre>
 													</td>
 												</tr>
 											{{end}}
@@ -104,7 +104,7 @@
 													</td>
 													{{end}}
 													<td class="lines-code">
-														<pre>{{$section.GetComputedInlineDiffFor $line}}</pre>
+														<pre><code class="{{if $file.GetHighlightClass}}language-{{$file.GetHighlightClass}}{{else}}nohighlight{{end}}">{{$section.GetComputedInlineDiffFor $line}}</code></pre>
 													</td>
 												</tr>
 											{{end}}