Use vendored modules

Signed-off-by: Izuru Yakumo <yakumo.izuru@chaotic.ninja>

git-svn-id: file:///srv/svn/repo/aya/trunk@67 cec141ff-132a-4243-88a5-ce187bd62f94

vendor/github.com/alecthomas/chroma/v2/lexers/html.go

@@ -0,0 +1,60 @@
+package lexers
+
+import (
+	. "github.com/alecthomas/chroma/v2" // nolint
+)
+
+// HTML lexer.
+var HTML = Register(MustNewLexer(
+	&Config{
+		Name:            "HTML",
+		Aliases:         []string{"html"},
+		Filenames:       []string{"*.html", "*.htm", "*.xhtml", "*.xslt"},
+		MimeTypes:       []string{"text/html", "application/xhtml+xml"},
+		NotMultiline:    true,
+		DotAll:          true,
+		CaseInsensitive: true,
+	},
+	htmlRules,
+))
+
+func htmlRules() Rules {
+	return Rules{
+		"root": {
+			{`[^<&]+`, Text, nil},
+			{`&\S*?;`, NameEntity, nil},
+			{`\<\!\[CDATA\[.*?\]\]\>`, CommentPreproc, nil},
+			{`<!--`, Comment, Push("comment")},
+			{`<\?.*?\?>`, CommentPreproc, nil},
+			{`<![^>]*>`, CommentPreproc, nil},
+			{`(<)(\s*)(script)(\s*)`, ByGroups(Punctuation, Text, NameTag, Text), Push("script-content", "tag")},
+			{`(<)(\s*)(style)(\s*)`, ByGroups(Punctuation, Text, NameTag, Text), Push("style-content", "tag")},
+			{`(<)(\s*)([\w:.-]+)`, ByGroups(Punctuation, Text, NameTag), Push("tag")},
+			{`(<)(\s*)(/)(\s*)([\w:.-]+)(\s*)(>)`, ByGroups(Punctuation, Text, Punctuation, Text, NameTag, Text, Punctuation), nil},
+		},
+		"comment": {
+			{`[^-]+`, Comment, nil},
+			{`-->`, Comment, Pop(1)},
+			{`-`, Comment, nil},
+		},
+		"tag": {
+			{`\s+`, Text, nil},
+			{`([\w:-]+\s*)(=)(\s*)`, ByGroups(NameAttribute, Operator, Text), Push("attr")},
+			{`[\w:-]+`, NameAttribute, nil},
+			{`(/?)(\s*)(>)`, ByGroups(Punctuation, Text, Punctuation), Pop(1)},
+		},
+		"script-content": {
+			{`(<)(\s*)(/)(\s*)(script)(\s*)(>)`, ByGroups(Punctuation, Text, Punctuation, Text, NameTag, Text, Punctuation), Pop(1)},
+			{`.+?(?=<\s*/\s*script\s*>)`, Using("Javascript"), nil},
+		},
+		"style-content": {
+			{`(<)(\s*)(/)(\s*)(style)(\s*)(>)`, ByGroups(Punctuation, Text, Punctuation, Text, NameTag, Text, Punctuation), Pop(1)},
+			{`.+?(?=<\s*/\s*style\s*>)`, Using("CSS"), nil},
+		},
+		"attr": {
+			{`".*?"`, LiteralString, Pop(1)},
+			{`'.*?'`, LiteralString, Pop(1)},
+			{`[^\s>]+`, LiteralString, Pop(1)},
+		},
+	}
+}