mirror of
https://github.com/cheat/cheat.git
synced 2024-11-25 07:21:36 +01:00
132 lines
3.2 KiB
Go
132 lines
3.2 KiB
Go
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 {
|
|
token := it()
|
|
|
|
if token == EOF {
|
|
if subIterator != nil {
|
|
return subIterator()
|
|
}
|
|
return EOF
|
|
}
|
|
|
|
switch {
|
|
case token.Type == Name && strings.ToLower(token.Value) == "content-type":
|
|
{
|
|
isContentType = true
|
|
}
|
|
case token.Type == Literal && isContentType:
|
|
{
|
|
isContentType = false
|
|
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 EOF
|
|
}
|
|
}
|
|
|
|
}
|
|
return token
|
|
|
|
}, nil
|
|
}
|