91 lines
2.3 KiB
JavaScript
91 lines
2.3 KiB
JavaScript
var TYPE = require('../../tokenizer').TYPE;
|
|
var rawMode = require('./Raw').mode;
|
|
|
|
var WHITESPACE = TYPE.WhiteSpace;
|
|
var COMMENT = TYPE.Comment;
|
|
var SEMICOLON = TYPE.Semicolon;
|
|
var ATKEYWORD = TYPE.AtKeyword;
|
|
var LEFTCURLYBRACKET = TYPE.LeftCurlyBracket;
|
|
var RIGHTCURLYBRACKET = TYPE.RightCurlyBracket;
|
|
|
|
function consumeRaw(startToken) {
|
|
return this.Raw(startToken, null, true);
|
|
}
|
|
function consumeRule() {
|
|
return this.parseWithFallback(this.Rule, consumeRaw);
|
|
}
|
|
function consumeRawDeclaration(startToken) {
|
|
return this.Raw(startToken, rawMode.semicolonIncluded, true);
|
|
}
|
|
function consumeDeclaration() {
|
|
if (this.scanner.tokenType === SEMICOLON) {
|
|
return consumeRawDeclaration.call(this, this.scanner.tokenIndex);
|
|
}
|
|
|
|
var node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);
|
|
|
|
if (this.scanner.tokenType === SEMICOLON) {
|
|
this.scanner.next();
|
|
}
|
|
|
|
return node;
|
|
}
|
|
|
|
module.exports = {
|
|
name: 'Block',
|
|
structure: {
|
|
children: [[
|
|
'Atrule',
|
|
'Rule',
|
|
'Declaration'
|
|
]]
|
|
},
|
|
parse: function(isDeclaration) {
|
|
var consumer = isDeclaration ? consumeDeclaration : consumeRule;
|
|
|
|
var start = this.scanner.tokenStart;
|
|
var children = this.createList();
|
|
|
|
this.eat(LEFTCURLYBRACKET);
|
|
|
|
scan:
|
|
while (!this.scanner.eof) {
|
|
switch (this.scanner.tokenType) {
|
|
case RIGHTCURLYBRACKET:
|
|
break scan;
|
|
|
|
case WHITESPACE:
|
|
case COMMENT:
|
|
this.scanner.next();
|
|
break;
|
|
|
|
case ATKEYWORD:
|
|
children.push(this.parseWithFallback(this.Atrule, consumeRaw));
|
|
break;
|
|
|
|
default:
|
|
children.push(consumer.call(this));
|
|
}
|
|
}
|
|
|
|
if (!this.scanner.eof) {
|
|
this.eat(RIGHTCURLYBRACKET);
|
|
}
|
|
|
|
return {
|
|
type: 'Block',
|
|
loc: this.getLocation(start, this.scanner.tokenStart),
|
|
children: children
|
|
};
|
|
},
|
|
generate: function(node) {
|
|
this.chunk('{');
|
|
this.children(node, function(prev) {
|
|
if (prev.type === 'Declaration') {
|
|
this.chunk(';');
|
|
}
|
|
});
|
|
this.chunk('}');
|
|
},
|
|
walkContext: 'block'
|
|
};
|