You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
94 lines
2.3 KiB
94 lines
2.3 KiB
export default labelFactory |
|
|
|
import assert from 'assert' |
|
import codes from '../character/codes.mjs' |
|
import markdownLineEnding from '../character/markdown-line-ending.mjs' |
|
import markdownSpace from '../character/markdown-space.mjs' |
|
import constants from '../constant/constants.mjs' |
|
import types from '../constant/types.mjs' |
|
|
|
// eslint-disable-next-line max-params |
|
function labelFactory(effects, ok, nok, type, markerType, stringType) { |
|
var self = this |
|
var size = 0 |
|
var data |
|
|
|
return start |
|
|
|
function start(code) { |
|
assert(code === codes.leftSquareBracket, 'expected `[`') |
|
effects.enter(type) |
|
effects.enter(markerType) |
|
effects.consume(code) |
|
effects.exit(markerType) |
|
effects.enter(stringType) |
|
return atBreak |
|
} |
|
|
|
function atBreak(code) { |
|
if ( |
|
code === codes.eof || |
|
code === codes.leftSquareBracket || |
|
(code === codes.rightSquareBracket && !data) || |
|
/* c8 ignore next */ |
|
(code === codes.caret && |
|
/* c8 ignore next */ |
|
!size && |
|
/* c8 ignore next */ |
|
'_hiddenFootnoteSupport' in self.parser.constructs) || |
|
size > constants.linkReferenceSizeMax |
|
) { |
|
return nok(code) |
|
} |
|
|
|
if (code === codes.rightSquareBracket) { |
|
effects.exit(stringType) |
|
effects.enter(markerType) |
|
effects.consume(code) |
|
effects.exit(markerType) |
|
effects.exit(type) |
|
return ok |
|
} |
|
|
|
if (markdownLineEnding(code)) { |
|
effects.enter(types.lineEnding) |
|
effects.consume(code) |
|
effects.exit(types.lineEnding) |
|
return atBreak |
|
} |
|
|
|
effects.enter(types.chunkString, {contentType: constants.contentTypeString}) |
|
return label(code) |
|
} |
|
|
|
function label(code) { |
|
if ( |
|
code === codes.eof || |
|
code === codes.leftSquareBracket || |
|
code === codes.rightSquareBracket || |
|
markdownLineEnding(code) || |
|
size++ > constants.linkReferenceSizeMax |
|
) { |
|
effects.exit(types.chunkString) |
|
return atBreak(code) |
|
} |
|
|
|
effects.consume(code) |
|
data = data || !markdownSpace(code) |
|
return code === codes.backslash ? labelEscape : label |
|
} |
|
|
|
function labelEscape(code) { |
|
if ( |
|
code === codes.leftSquareBracket || |
|
code === codes.backslash || |
|
code === codes.rightSquareBracket |
|
) { |
|
effects.consume(code) |
|
size++ |
|
return label |
|
} |
|
|
|
return label(code) |
|
} |
|
}
|
|
|