forked from gitea/gitea
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package t
|
|
|
|
import (
|
|
. "github.com/alecthomas/chroma" // nolint
|
|
"github.com/alecthomas/chroma/lexers/internal"
|
|
)
|
|
|
|
// Tex lexer.
|
|
var TeX = internal.Register(MustNewLexer(
|
|
&Config{
|
|
Name: "TeX",
|
|
Aliases: []string{"tex", "latex"},
|
|
Filenames: []string{"*.tex", "*.aux", "*.toc"},
|
|
MimeTypes: []string{"text/x-tex", "text/x-latex"},
|
|
},
|
|
Rules{
|
|
"general": {
|
|
{`%.*?\n`, Comment, nil},
|
|
{`[{}]`, NameBuiltin, nil},
|
|
{`[&_^]`, NameBuiltin, nil},
|
|
},
|
|
"root": {
|
|
{`\\\[`, LiteralStringBacktick, Push("displaymath")},
|
|
{`\\\(`, LiteralString, Push("inlinemath")},
|
|
{`\$\$`, LiteralStringBacktick, Push("displaymath")},
|
|
{`\$`, LiteralString, Push("inlinemath")},
|
|
{`\\([a-zA-Z]+|.)`, Keyword, Push("command")},
|
|
{`\\$`, Keyword, nil},
|
|
Include("general"),
|
|
{`[^\\$%&_^{}]+`, Text, nil},
|
|
},
|
|
"math": {
|
|
{`\\([a-zA-Z]+|.)`, NameVariable, nil},
|
|
Include("general"),
|
|
{`[0-9]+`, LiteralNumber, nil},
|
|
{`[-=!+*/()\[\]]`, Operator, nil},
|
|
{`[^=!+*/()\[\]\\$%&_^{}0-9-]+`, NameBuiltin, nil},
|
|
},
|
|
"inlinemath": {
|
|
{`\\\)`, LiteralString, Pop(1)},
|
|
{`\$`, LiteralString, Pop(1)},
|
|
Include("math"),
|
|
},
|
|
"displaymath": {
|
|
{`\\\]`, LiteralString, Pop(1)},
|
|
{`\$\$`, LiteralString, Pop(1)},
|
|
{`\$`, NameBuiltin, nil},
|
|
Include("math"),
|
|
},
|
|
"command": {
|
|
{`\[.*?\]`, NameAttribute, nil},
|
|
{`\*`, Keyword, nil},
|
|
Default(Pop(1)),
|
|
},
|
|
},
|
|
))
|