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.
96 lines
2.3 KiB
96 lines
2.3 KiB
'use strict'; |
|
|
|
const types = require('../../tokenizer/types.cjs'); |
|
|
|
const AMPERSAND = 0x0026; // U+0026 AMPERSAND (&) |
|
|
|
function consumeRaw(startToken) { |
|
return this.Raw(startToken, null, true); |
|
} |
|
function consumeRule() { |
|
return this.parseWithFallback(this.Rule, consumeRaw); |
|
} |
|
function consumeRawDeclaration(startToken) { |
|
return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true); |
|
} |
|
function consumeDeclaration() { |
|
if (this.tokenType === types.Semicolon) { |
|
return consumeRawDeclaration.call(this, this.tokenIndex); |
|
} |
|
|
|
const node = this.parseWithFallback(this.Declaration, consumeRawDeclaration); |
|
|
|
if (this.tokenType === types.Semicolon) { |
|
this.next(); |
|
} |
|
|
|
return node; |
|
} |
|
|
|
const name = 'Block'; |
|
const walkContext = 'block'; |
|
const structure = { |
|
children: [[ |
|
'Atrule', |
|
'Rule', |
|
'Declaration' |
|
]] |
|
}; |
|
|
|
function parse(isStyleBlock) { |
|
const consumer = isStyleBlock ? consumeDeclaration : consumeRule; |
|
const start = this.tokenStart; |
|
let children = this.createList(); |
|
|
|
this.eat(types.LeftCurlyBracket); |
|
|
|
scan: |
|
while (!this.eof) { |
|
switch (this.tokenType) { |
|
case types.RightCurlyBracket: |
|
break scan; |
|
|
|
case types.WhiteSpace: |
|
case types.Comment: |
|
this.next(); |
|
break; |
|
|
|
case types.AtKeyword: |
|
children.push(this.parseWithFallback(this.Atrule.bind(this, isStyleBlock), consumeRaw)); |
|
break; |
|
|
|
default: |
|
if (isStyleBlock && this.isDelim(AMPERSAND)) { |
|
children.push(consumeRule.call(this)); |
|
} else { |
|
children.push(consumer.call(this)); |
|
} |
|
} |
|
} |
|
|
|
if (!this.eof) { |
|
this.eat(types.RightCurlyBracket); |
|
} |
|
|
|
return { |
|
type: 'Block', |
|
loc: this.getLocation(start, this.tokenStart), |
|
children |
|
}; |
|
} |
|
|
|
function generate(node) { |
|
this.token(types.LeftCurlyBracket, '{'); |
|
this.children(node, prev => { |
|
if (prev.type === 'Declaration') { |
|
this.token(types.Semicolon, ';'); |
|
} |
|
}); |
|
this.token(types.RightCurlyBracket, '}'); |
|
} |
|
|
|
exports.generate = generate; |
|
exports.name = name; |
|
exports.parse = parse; |
|
exports.structure = structure; |
|
exports.walkContext = walkContext;
|
|
|