/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/h/http.go is in golang-github-alecthomas-chroma-dev 0.4.0+git20180402.51d250f-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 | package h
import (
"strings"
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// HTTP lexer.
var HTTP = internal.Register(httpBodyContentTypeLexer(MustNewLexer(
&Config{
Name: "HTTP",
Aliases: []string{"http"},
Filenames: []string{},
MimeTypes: []string{},
NotMultiline: true,
DotAll: true,
},
Rules{
"root": {
{`(GET|POST|PUT|DELETE|HEAD|OPTIONS|TRACE|PATCH|CONNECT)( +)([^ ]+)( +)(HTTP)(/)(1\.[01])(\r?\n|\Z)`, ByGroups(NameFunction, Text, NameNamespace, Text, KeywordReserved, Operator, LiteralNumber, Text), Push("headers")},
{`(HTTP)(/)(1\.[01])( +)(\d{3})( +)([^\r\n]+)(\r?\n|\Z)`, ByGroups(KeywordReserved, Operator, LiteralNumber, Text, LiteralNumber, Text, NameException, Text), Push("headers")},
},
"headers": {
{`([^\s:]+)( *)(:)( *)([^\r\n]+)(\r?\n|\Z)`, EmitterFunc(httpHeaderBlock), nil},
{`([\t ]+)([^\r\n]+)(\r?\n|\Z)`, EmitterFunc(httpContinuousHeaderBlock), nil},
{`\r?\n`, Text, Push("content")},
},
"content": {
{`.+`, EmitterFunc(httpContentBlock), nil},
},
},
)))
func httpContentBlock(groups []string, lexer Lexer) Iterator {
tokens := []*Token{
{Generic, groups[0]},
}
return Literator(tokens...)
}
func httpHeaderBlock(groups []string, lexer Lexer) Iterator {
tokens := []*Token{
{Name, groups[1]},
{Text, groups[2]},
{Operator, groups[3]},
{Text, groups[4]},
{Literal, groups[5]},
{Text, groups[6]},
}
return Literator(tokens...)
}
func httpContinuousHeaderBlock(groups []string, lexer Lexer) Iterator {
tokens := []*Token{
{Text, groups[1]},
{Literal, groups[2]},
{Text, groups[3]},
}
return Literator(tokens...)
}
func httpBodyContentTypeLexer(lexer Lexer) Lexer { return &httpBodyContentTyper{lexer} }
type httpBodyContentTyper struct{ Lexer }
func (d *httpBodyContentTyper) Tokenise(options *TokeniseOptions, text string) (Iterator, error) {
var contentType string
var isContentType bool
var subIterator Iterator
it, err := d.Lexer.Tokenise(options, text)
if err != nil {
return nil, err
}
return func() *Token {
for token := it(); token != nil; token = it() {
switch {
case token.Type == Name && strings.ToLower(token.Value) == "content-type":
{
isContentType = true
}
case token.Type == Literal && isContentType:
{
contentType = strings.TrimSpace(token.Value)
pos := strings.Index(contentType, ";")
if pos > 0 {
contentType = strings.TrimSpace(contentType[:pos])
}
}
case token.Type == Generic && contentType != "":
{
lexer := internal.MatchMimeType(contentType)
// application/calendar+xml can be treated as application/xml
// if there's not a better match.
if lexer == nil && strings.Contains(contentType, "+") {
slashPos := strings.Index(contentType, "/")
plusPos := strings.LastIndex(contentType, "+")
contentType = contentType[:slashPos+1] + contentType[plusPos+1:]
lexer = internal.MatchMimeType(contentType)
}
if lexer == nil {
token.Type = Text
} else {
subIterator, err = lexer.Tokenise(nil, token.Value)
if err != nil {
panic(err)
}
return nil
}
}
}
return token
}
if subIterator != nil {
for token := subIterator(); token != nil; token = subIterator() {
return token
}
}
return nil
}, nil
}
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