From 2a5ce0537f2bc4012d2cee06c77763ee3cbd913b Mon Sep 17 00:00:00 2001
From: kangax
Date: Mon, 17 Mar 2014 21:37:22 -0400
Subject: [PATCH] Add support for minifying CSS (minifyCSS = true) via CSSO
---
.jshintrc | 6 +
README.md | 6 +-
csso.js | 3889 ++++++++++++++++++++++++++++++++++++++
dist/htmlminifier.js | 30 +-
dist/htmlminifier.min.js | 2 +-
index.html | 7 +
master.js | 1 +
package.json | 3 +-
src/htmlminifier.js | 30 +-
tests/minifier.js | 13 +
10 files changed, 3976 insertions(+), 11 deletions(-)
create mode 100644 csso.js
diff --git a/.jshintrc b/.jshintrc
index 7d113c1..250c08c 100644
--- a/.jshintrc
+++ b/.jshintrc
@@ -1,4 +1,10 @@
{
+ "globals": {
+ "CSSOCompressor": true,
+ "CSSOTranslator": true,
+ "cleanInfo": true,
+ "srcToCSSP": true
+ },
"browser": true,
"eqeqeq": true,
"es3": true,
diff --git a/README.md b/README.md
index d34c00c..4c81dc3 100644
--- a/README.md
+++ b/README.md
@@ -26,8 +26,7 @@ How does HTMLMinifier compare to [another solution](http://www.willpeavy.com/min
Installing with [npm](https://github.com/isaacs/npm):
```
-npm install html-minifier
-```
+npm install html-minifier```
## Options Quick Reference
@@ -48,7 +47,8 @@ npm install html-minifier
| `lint` | [Toggle linting](http://perfectionkills.com/experimenting-with-html-minifier/#validate_input_through_html_lint) | `false` |
| `keepClosingSlash` | Keep the trailing slash on singleton elements | `false` |
| `caseSensitive` | Treat attributes in case sensitive manner (useful for SVG; e.g. viewBox) | `false` |
-| `minifyJS` | Minify Javascript in script elements | `false` |
+| `minifyJS` | Minify Javascript in script elements (uses [UglifyJS](https://github.com/mishoo/UglifyJS2)) | `false` |
+| `minifyCSS` | Minify CSS in style elements (uses [CSSO](https://github.com/css/csso)) | `false` |
[![Bitdeli Badge](https://d2weczhvl823v0.cloudfront.net/kangax/html-minifier/trend.png)](https://bitdeli.com/free "Bitdeli Badge")
diff --git a/csso.js b/csso.js
new file mode 100644
index 0000000..a82b09e
--- /dev/null
+++ b/csso.js
@@ -0,0 +1,3889 @@
+var $util = {};
+
+$util.cleanInfo = function(tree) {
+ var r = [];
+ tree = tree.slice(1);
+
+ tree.forEach(function(e) {
+ r.push(Array.isArray(e) ? $util.cleanInfo(e) : e);
+ });
+
+ return r;
+};
+
+$util.treeToString = function(tree, level) {
+ var spaces = $util.dummySpaces(level),
+ level = level ? level : 0,
+ s = (level ? '\n' + spaces : '') + '[';
+
+ tree.forEach(function(e) {
+ s += (Array.isArray(e) ? $util.treeToString(e, level + 1) : e.f !== undefined ? $util.ircToString(e) : ('\'' + e.toString() + '\'')) + ', ';
+ });
+
+ return s.substr(0, s.length - 2) + ']';
+};
+
+$util.ircToString = function(o) {
+ return '{' + o.f + ',' + o.l + '}';
+};
+
+$util.dummySpaces = function(num) {
+ return ' '.substr(0, num * 2);
+};
+function srcToCSSP(s, rule, _needInfo) {
+var TokenType = {
+ StringSQ: 'StringSQ',
+ StringDQ: 'StringDQ',
+ CommentML: 'CommentML',
+ CommentSL: 'CommentSL',
+
+ Newline: 'Newline',
+ Space: 'Space',
+ Tab: 'Tab',
+
+ ExclamationMark: 'ExclamationMark', // !
+ QuotationMark: 'QuotationMark', // "
+ NumberSign: 'NumberSign', // #
+ DollarSign: 'DollarSign', // $
+ PercentSign: 'PercentSign', // %
+ Ampersand: 'Ampersand', // &
+ Apostrophe: 'Apostrophe', // '
+ LeftParenthesis: 'LeftParenthesis', // (
+ RightParenthesis: 'RightParenthesis', // )
+ Asterisk: 'Asterisk', // *
+ PlusSign: 'PlusSign', // +
+ Comma: 'Comma', // ,
+ HyphenMinus: 'HyphenMinus', // -
+ FullStop: 'FullStop', // .
+ Solidus: 'Solidus', // /
+ Colon: 'Colon', // :
+ Semicolon: 'Semicolon', // ;
+ LessThanSign: 'LessThanSign', // <
+ EqualsSign: 'EqualsSign', // =
+ GreaterThanSign: 'GreaterThanSign', // >
+ QuestionMark: 'QuestionMark', // ?
+ CommercialAt: 'CommercialAt', // @
+ LeftSquareBracket: 'LeftSquareBracket', // [
+ ReverseSolidus: 'ReverseSolidus', // \
+ RightSquareBracket: 'RightSquareBracket', // ]
+ CircumflexAccent: 'CircumflexAccent', // ^
+ LowLine: 'LowLine', // _
+ LeftCurlyBracket: 'LeftCurlyBracket', // {
+ VerticalLine: 'VerticalLine', // |
+ RightCurlyBracket: 'RightCurlyBracket', // }
+ Tilde: 'Tilde', // ~
+
+ Identifier: 'Identifier',
+ DecimalNumber: 'DecimalNumber'
+};
+
+function getTokens(s) {
+ var Punctuation,
+ urlMode = false,
+ blockMode = 0;
+
+ Punctuation = {
+ ' ': TokenType.Space,
+ '\n': TokenType.Newline,
+ '\r': TokenType.Newline,
+ '\t': TokenType.Tab,
+ '!': TokenType.ExclamationMark,
+ '"': TokenType.QuotationMark,
+ '#': TokenType.NumberSign,
+ '$': TokenType.DollarSign,
+ '%': TokenType.PercentSign,
+ '&': TokenType.Ampersand,
+ '\'': TokenType.Apostrophe,
+ '(': TokenType.LeftParenthesis,
+ ')': TokenType.RightParenthesis,
+ '*': TokenType.Asterisk,
+ '+': TokenType.PlusSign,
+ ',': TokenType.Comma,
+ '-': TokenType.HyphenMinus,
+ '.': TokenType.FullStop,
+ '/': TokenType.Solidus,
+ ':': TokenType.Colon,
+ ';': TokenType.Semicolon,
+ '<': TokenType.LessThanSign,
+ '=': TokenType.EqualsSign,
+ '>': TokenType.GreaterThanSign,
+ '?': TokenType.QuestionMark,
+ '@': TokenType.CommercialAt,
+ '[': TokenType.LeftSquareBracket,
+ // '\\': TokenType.ReverseSolidus,
+ ']': TokenType.RightSquareBracket,
+ '^': TokenType.CircumflexAccent,
+ '_': TokenType.LowLine,
+ '{': TokenType.LeftCurlyBracket,
+ '|': TokenType.VerticalLine,
+ '}': TokenType.RightCurlyBracket,
+ '~': TokenType.Tilde
+ };
+
+ function isDecimalDigit(c) {
+ return '0123456789'.indexOf(c) >= 0;
+ }
+
+ function throwError(message) {
+ throw message;
+ }
+
+ var buffer = '',
+ tokens = [],
+ pos,
+ tn = 0,
+ ln = 1;
+
+ function _getTokens(s) {
+ if (!s) return [];
+
+ tokens = [];
+
+ var c, cn;
+
+ for (pos = 0; pos < s.length; pos++) {
+ c = s.charAt(pos);
+ cn = s.charAt(pos + 1);
+
+ if (c === '/' && cn === '*') {
+ parseMLComment(s);
+ } else if (!urlMode && c === '/' && cn === '/') {
+ if (blockMode > 0) parseIdentifier(s);
+ else parseSLComment(s);
+ } else if (c === '"' || c === "'") {
+ parseString(s, c);
+ } else if (c === ' ') {
+ parseSpaces(s)
+ } else if (c in Punctuation) {
+ pushToken(Punctuation[c], c);
+ if (c === '\n' || c === '\r') ln++;
+ if (c === ')') urlMode = false;
+ if (c === '{') blockMode++;
+ if (c === '}') blockMode--;
+ } else if (isDecimalDigit(c)) {
+ parseDecimalNumber(s);
+ } else {
+ parseIdentifier(s);
+ }
+ }
+
+ mark();
+
+ return tokens;
+ }
+
+ function pushToken(type, value) {
+ tokens.push({ tn: tn++, ln: ln, type: type, value: value });
+ }
+
+ function parseSpaces(s) {
+ var start = pos;
+
+ for (; pos < s.length; pos++) {
+ if (s.charAt(pos) !== ' ') break;
+ }
+
+ pushToken(TokenType.Space, s.substring(start, pos));
+ pos--;
+ }
+
+ function parseMLComment(s) {
+ var start = pos;
+
+ for (pos = pos + 2; pos < s.length; pos++) {
+ if (s.charAt(pos) === '*') {
+ if (s.charAt(pos + 1) === '/') {
+ pos++;
+ break;
+ }
+ }
+ }
+
+ pushToken(TokenType.CommentML, s.substring(start, pos + 1));
+ }
+
+ function parseSLComment(s) {
+ var start = pos;
+
+ for (pos = pos + 2; pos < s.length; pos++) {
+ if (s.charAt(pos) === '\n' || s.charAt(pos) === '\r') {
+ pos++;
+ break;
+ }
+ }
+
+ pushToken(TokenType.CommentSL, s.substring(start, pos));
+ pos--;
+ }
+
+ function parseString(s, q) {
+ var start = pos;
+
+ for (pos = pos + 1; pos < s.length; pos++) {
+ if (s.charAt(pos) === '\\') pos++;
+ else if (s.charAt(pos) === q) break;
+ }
+
+ pushToken(q === '"' ? TokenType.StringDQ : TokenType.StringSQ, s.substring(start, pos + 1));
+ }
+
+ function parseDecimalNumber(s) {
+ var start = pos;
+
+ for (; pos < s.length; pos++) {
+ if (!isDecimalDigit(s.charAt(pos))) break;
+ }
+
+ pushToken(TokenType.DecimalNumber, s.substring(start, pos));
+ pos--;
+ }
+
+ function parseIdentifier(s) {
+ var start = pos;
+
+ while (s.charAt(pos) === '/') pos++;
+
+ for (; pos < s.length; pos++) {
+ if (s.charAt(pos) === '\\') pos++;
+ else if (s.charAt(pos) in Punctuation) break;
+ }
+
+ var ident = s.substring(start, pos);
+
+ urlMode = urlMode || ident === 'url';
+
+ pushToken(TokenType.Identifier, ident);
+ pos--;
+ }
+
+ // ====================================
+ // second run
+ // ====================================
+
+ function mark() {
+ var ps = [], // Parenthesis
+ sbs = [], // SquareBracket
+ cbs = [], // CurlyBracket
+ t;
+
+ for (var i = 0; i < tokens.length; i++) {
+ t = tokens[i];
+ switch(t.type) {
+ case TokenType.LeftParenthesis:
+ ps.push(i);
+ break;
+ case TokenType.RightParenthesis:
+ if (ps.length) {
+ t.left = ps.pop();
+ tokens[t.left].right = i;
+ }
+ break;
+ case TokenType.LeftSquareBracket:
+ sbs.push(i);
+ break;
+ case TokenType.RightSquareBracket:
+ if (sbs.length) {
+ t.left = sbs.pop();
+ tokens[t.left].right = i;
+ }
+ break;
+ case TokenType.LeftCurlyBracket:
+ cbs.push(i);
+ break;
+ case TokenType.RightCurlyBracket:
+ if (cbs.length) {
+ t.left = cbs.pop();
+ tokens[t.left].right = i;
+ }
+ break;
+ }
+ }
+ }
+
+ return _getTokens(s);
+}
+// version: 1.0.0
+
+function getCSSPAST(_tokens, rule, _needInfo) {
+
+ var tokens,
+ pos,
+ failLN = 0,
+ currentBlockLN = 0,
+ needInfo = false;
+
+ var CSSPNodeType,
+ CSSLevel,
+ CSSPRules;
+
+ CSSPNodeType = {
+ IdentType: 'ident',
+ AtkeywordType: 'atkeyword',
+ StringType: 'string',
+ ShashType: 'shash',
+ VhashType: 'vhash',
+ NumberType: 'number',
+ PercentageType: 'percentage',
+ DimensionType: 'dimension',
+ CdoType: 'cdo',
+ CdcType: 'cdc',
+ DecldelimType: 'decldelim',
+ SType: 's',
+ AttrselectorType: 'attrselector',
+ AttribType: 'attrib',
+ NthType: 'nth',
+ NthselectorType: 'nthselector',
+ NamespaceType: 'namespace',
+ ClazzType: 'clazz',
+ PseudoeType: 'pseudoe',
+ PseudocType: 'pseudoc',
+ DelimType: 'delim',
+ StylesheetType: 'stylesheet',
+ AtrulebType: 'atruleb',
+ AtrulesType: 'atrules',
+ AtrulerqType: 'atrulerq',
+ AtrulersType: 'atrulers',
+ AtrulerType: 'atruler',
+ BlockType: 'block',
+ RulesetType: 'ruleset',
+ CombinatorType: 'combinator',
+ SimpleselectorType: 'simpleselector',
+ SelectorType: 'selector',
+ DeclarationType: 'declaration',
+ PropertyType: 'property',
+ ImportantType: 'important',
+ UnaryType: 'unary',
+ OperatorType: 'operator',
+ BracesType: 'braces',
+ ValueType: 'value',
+ ProgidType: 'progid',
+ FiltervType: 'filterv',
+ FilterType: 'filter',
+ CommentType: 'comment',
+ UriType: 'uri',
+ RawType: 'raw',
+ FunctionBodyType: 'functionBody',
+ FunktionType: 'funktion',
+ FunctionExpressionType: 'functionExpression',
+ UnknownType: 'unknown'
+ };
+
+ CSSPRules = {
+ 'ident': function() { if (checkIdent(pos)) return getIdent() },
+ 'atkeyword': function() { if (checkAtkeyword(pos)) return getAtkeyword() },
+ 'string': function() { if (checkString(pos)) return getString() },
+ 'shash': function() { if (checkShash(pos)) return getShash() },
+ 'vhash': function() { if (checkVhash(pos)) return getVhash() },
+ 'number': function() { if (checkNumber(pos)) return getNumber() },
+ 'percentage': function() { if (checkPercentage(pos)) return getPercentage() },
+ 'dimension': function() { if (checkDimension(pos)) return getDimension() },
+// 'cdo': function() { if (checkCDO()) return getCDO() },
+// 'cdc': function() { if (checkCDC()) return getCDC() },
+ 'decldelim': function() { if (checkDecldelim(pos)) return getDecldelim() },
+ 's': function() { if (checkS(pos)) return getS() },
+ 'attrselector': function() { if (checkAttrselector(pos)) return getAttrselector() },
+ 'attrib': function() { if (checkAttrib(pos)) return getAttrib() },
+ 'nth': function() { if (checkNth(pos)) return getNth() },
+ 'nthselector': function() { if (checkNthselector(pos)) return getNthselector() },
+ 'namespace': function() { if (checkNamespace(pos)) return getNamespace() },
+ 'clazz': function() { if (checkClazz(pos)) return getClazz() },
+ 'pseudoe': function() { if (checkPseudoe(pos)) return getPseudoe() },
+ 'pseudoc': function() { if (checkPseudoc(pos)) return getPseudoc() },
+ 'delim': function() { if (checkDelim(pos)) return getDelim() },
+ 'stylesheet': function() { if (checkStylesheet(pos)) return getStylesheet() },
+ 'atruleb': function() { if (checkAtruleb(pos)) return getAtruleb() },
+ 'atrules': function() { if (checkAtrules(pos)) return getAtrules() },
+ 'atrulerq': function() { if (checkAtrulerq(pos)) return getAtrulerq() },
+ 'atrulers': function() { if (checkAtrulers(pos)) return getAtrulers() },
+ 'atruler': function() { if (checkAtruler(pos)) return getAtruler() },
+ 'block': function() { if (checkBlock(pos)) return getBlock() },
+ 'ruleset': function() { if (checkRuleset(pos)) return getRuleset() },
+ 'combinator': function() { if (checkCombinator(pos)) return getCombinator() },
+ 'simpleselector': function() { if (checkSimpleselector(pos)) return getSimpleSelector() },
+ 'selector': function() { if (checkSelector(pos)) return getSelector() },
+ 'declaration': function() { if (checkDeclaration(pos)) return getDeclaration() },
+ 'property': function() { if (checkProperty(pos)) return getProperty() },
+ 'important': function() { if (checkImportant(pos)) return getImportant() },
+ 'unary': function() { if (checkUnary(pos)) return getUnary() },
+ 'operator': function() { if (checkOperator(pos)) return getOperator() },
+ 'braces': function() { if (checkBraces(pos)) return getBraces() },
+ 'value': function() { if (checkValue(pos)) return getValue() },
+ 'progid': function() { if (checkProgid(pos)) return getProgid() },
+ 'filterv': function() { if (checkFilterv(pos)) return getFilterv() },
+ 'filter': function() { if (checkFilter(pos)) return getFilter() },
+ 'comment': function() { if (checkComment(pos)) return getComment() },
+ 'uri': function() { if (checkUri(pos)) return getUri() },
+ 'raw': function() { if (checkRaw(pos)) return getRaw() },
+ 'funktion': function() { if (checkFunktion(pos)) return getFunktion() },
+ 'functionExpression': function() { if (checkFunctionExpression(pos)) return getFunctionExpression() },
+ 'unknown': function() { if (checkUnknown(pos)) return getUnknown() }
+ };
+
+ function fail(token) {
+ if (token && token.ln > failLN) failLN = token.ln;
+ }
+
+ function throwError() {
+ console.error('Please check the validity of the CSS block starting from the line #' + currentBlockLN);
+ if (process) process.exit(1);
+ throw new Error();
+ }
+
+ function _getAST(_tokens, rule, _needInfo) {
+ tokens = _tokens;
+ needInfo = _needInfo;
+ pos = 0;
+
+ markSC();
+
+ return rule ? CSSPRules[rule]() : CSSPRules['stylesheet']();
+ }
+
+//any = braces | string | percentage | dimension | number | uri | functionExpression | funktion | ident | unary
+ function checkAny(_i) {
+ return checkBraces(_i) ||
+ checkString(_i) ||
+ checkPercentage(_i) ||
+ checkDimension(_i) ||
+ checkNumber(_i) ||
+ checkUri(_i) ||
+ checkFunctionExpression(_i) ||
+ checkFunktion(_i) ||
+ checkIdent(_i) ||
+ checkUnary(_i);
+ }
+
+ function getAny() {
+ if (checkBraces(pos)) return getBraces();
+ else if (checkString(pos)) return getString();
+ else if (checkPercentage(pos)) return getPercentage();
+ else if (checkDimension(pos)) return getDimension();
+ else if (checkNumber(pos)) return getNumber();
+ else if (checkUri(pos)) return getUri();
+ else if (checkFunctionExpression(pos)) return getFunctionExpression();
+ else if (checkFunktion(pos)) return getFunktion();
+ else if (checkIdent(pos)) return getIdent();
+ else if (checkUnary(pos)) return getUnary();
+ }
+
+//atkeyword = '@' ident:x -> [#atkeyword, x]
+ function checkAtkeyword(_i) {
+ var l;
+
+ if (tokens[_i++].type !== TokenType.CommercialAt) return fail(tokens[_i - 1]);
+
+ if (l = checkIdent(_i)) return l + 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getAtkeyword() {
+ var startPos = pos;
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.AtkeywordType, getIdent()]:
+ [CSSPNodeType.AtkeywordType, getIdent()];
+ }
+
+//attrib = '[' sc*:s0 ident:x sc*:s1 attrselector:a sc*:s2 (ident | string):y sc*:s3 ']' -> this.concat([#attrib], s0, [x], s1, [a], s2, [y], s3)
+// | '[' sc*:s0 ident:x sc*:s1 ']' -> this.concat([#attrib], s0, [x], s1),
+ function checkAttrib(_i) {
+ if (tokens[_i].type !== TokenType.LeftSquareBracket) return fail(tokens[_i]);
+
+ if (!tokens[_i].right) return fail(tokens[_i]);
+
+ return tokens[_i].right - _i + 1;
+ }
+
+ function checkAttrib1(_i) {
+ var start = _i;
+
+ _i++;
+
+ var l = checkSC(_i); // s0
+
+ if (l) _i += l;
+
+ if (l = checkIdent(_i)) _i += l; // x
+ else return fail(tokens[_i]);
+
+ if (l = checkSC(_i)) _i += l; // s1
+
+ if (l = checkAttrselector(_i)) _i += l; // a
+ else return fail(tokens[_i]);
+
+ if (l = checkSC(_i)) _i += l; // s2
+
+ if ((l = checkIdent(_i)) || (l = checkString(_i))) _i += l; // y
+ else return fail(tokens[_i]);
+
+ if (l = checkSC(_i)) _i += l; // s3
+
+ if (tokens[_i].type === TokenType.RightSquareBracket) return _i - start;
+
+ return fail(tokens[_i]);
+ }
+
+ function getAttrib1() {
+ var startPos = pos;
+
+ pos++;
+
+ var a = (needInfo? [{ ln: tokens[startPos].ln }, CSSPNodeType.AttribType] : [CSSPNodeType.AttribType])
+ .concat(getSC())
+ .concat([getIdent()])
+ .concat(getSC())
+ .concat([getAttrselector()])
+ .concat(getSC())
+ .concat([checkString(pos)? getString() : getIdent()])
+ .concat(getSC());
+
+ pos++;
+
+ return a;
+ }
+
+ function checkAttrib2(_i) {
+ var start = _i;
+
+ _i++;
+
+ var l = checkSC(_i);
+
+ if (l) _i += l;
+
+ if (l = checkIdent(_i)) _i += l;
+
+ if (l = checkSC(_i)) _i += l;
+
+ if (tokens[_i].type === TokenType.RightSquareBracket) return _i - start;
+
+ return fail(tokens[_i]);
+ }
+
+ function getAttrib2() {
+ var startPos = pos;
+
+ pos++;
+
+ var a = (needInfo? [{ ln: tokens[startPos].ln }, CSSPNodeType.AttribType] : [CSSPNodeType.AttribType])
+ .concat(getSC())
+ .concat([getIdent()])
+ .concat(getSC());
+
+ pos++;
+
+ return a;
+ }
+
+ function getAttrib() {
+ if (checkAttrib1(pos)) return getAttrib1();
+ if (checkAttrib2(pos)) return getAttrib2();
+ }
+
+//attrselector = (seq('=') | seq('~=') | seq('^=') | seq('$=') | seq('*=') | seq('|=')):x -> [#attrselector, x]
+ function checkAttrselector(_i) {
+ if (tokens[_i].type === TokenType.EqualsSign) return 1;
+ if (tokens[_i].type === TokenType.VerticalLine && (!tokens[_i + 1] || tokens[_i + 1].type !== TokenType.EqualsSign)) return 1;
+
+ if (!tokens[_i + 1] || tokens[_i + 1].type !== TokenType.EqualsSign) return fail(tokens[_i]);
+
+ switch(tokens[_i].type) {
+ case TokenType.Tilde:
+ case TokenType.CircumflexAccent:
+ case TokenType.DollarSign:
+ case TokenType.Asterisk:
+ case TokenType.VerticalLine:
+ return 2;
+ }
+
+ return fail(tokens[_i]);
+ }
+
+ function getAttrselector() {
+ var startPos = pos,
+ s = tokens[pos++].value;
+
+ if (tokens[pos] && tokens[pos].type === TokenType.EqualsSign) s += tokens[pos++].value;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.AttrselectorType, s] :
+ [CSSPNodeType.AttrselectorType, s];
+ }
+
+//atrule = atruler | atruleb | atrules
+ function checkAtrule(_i) {
+ var start = _i,
+ l;
+
+ if (tokens[start].atrule_l !== undefined) return tokens[start].atrule_l;
+
+ if (l = checkAtruler(_i)) tokens[_i].atrule_type = 1;
+ else if (l = checkAtruleb(_i)) tokens[_i].atrule_type = 2;
+ else if (l = checkAtrules(_i)) tokens[_i].atrule_type = 3;
+ else return fail(tokens[start]);
+
+ tokens[start].atrule_l = l;
+
+ return l;
+ }
+
+ function getAtrule() {
+ switch (tokens[pos].atrule_type) {
+ case 1: return getAtruler();
+ case 2: return getAtruleb();
+ case 3: return getAtrules();
+ }
+ }
+
+//atruleb = atkeyword:ak tset*:ap block:b -> this.concat([#atruleb, ak], ap, [b])
+ function checkAtruleb(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkAtkeyword(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ if (l = checkTsets(_i)) _i += l;
+
+ if (l = checkBlock(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ return _i - start;
+ }
+
+ function getAtruleb() {
+ return (needInfo?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.AtrulebType, getAtkeyword()] :
+ [CSSPNodeType.AtrulebType, getAtkeyword()])
+ .concat(getTsets())
+ .concat([getBlock()]);
+ }
+
+//atruler = atkeyword:ak atrulerq:x '{' atrulers:y '}' -> [#atruler, ak, x, y]
+ function checkAtruler(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkAtkeyword(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ if (l = checkAtrulerq(_i)) _i += l;
+
+ if (_i < tokens.length && tokens[_i].type === TokenType.LeftCurlyBracket) _i++;
+ else return fail(tokens[_i]);
+
+ if (l = checkAtrulers(_i)) _i += l;
+
+ if (_i < tokens.length && tokens[_i].type === TokenType.RightCurlyBracket) _i++;
+ else return fail(tokens[_i]);
+
+ return _i - start;
+ }
+
+ function getAtruler() {
+ var atruler = needInfo?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.AtrulerType, getAtkeyword(), getAtrulerq()] :
+ [CSSPNodeType.AtrulerType, getAtkeyword(), getAtrulerq()];
+
+ pos++;
+
+ atruler.push(getAtrulers());
+
+ pos++;
+
+ return atruler;
+ }
+
+//atrulerq = tset*:ap -> [#atrulerq].concat(ap)
+ function checkAtrulerq(_i) {
+ return checkTsets(_i);
+ }
+
+ function getAtrulerq() {
+ return (needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.AtrulerqType] : [CSSPNodeType.AtrulerqType]).concat(getTsets());
+ }
+
+//atrulers = sc*:s0 ruleset*:r sc*:s1 -> this.concat([#atrulers], s0, r, s1)
+ function checkAtrulers(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkSC(_i)) _i += l;
+
+ while ((l = checkRuleset(_i)) || (l = checkAtrule(_i)) || (l = checkSC(_i))) {
+ _i += l;
+ }
+
+ tokens[_i].atrulers_end = 1;
+
+ if (l = checkSC(_i)) _i += l;
+
+ return _i - start;
+ }
+
+ function getAtrulers() {
+ var atrulers = (needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.AtrulersType] : [CSSPNodeType.AtrulersType]).concat(getSC()),
+ x;
+
+ while (!tokens[pos].atrulers_end) {
+ if (checkSC(pos)) {
+ atrulers = atrulers.concat(getSC());
+ } else if (checkRuleset(pos)) {
+ atrulers.push(getRuleset());
+ } else {
+ atrulers.push(getAtrule());
+ }
+ }
+
+ return atrulers.concat(getSC());
+ }
+
+//atrules = atkeyword:ak tset*:ap ';' -> this.concat([#atrules, ak], ap)
+ function checkAtrules(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkAtkeyword(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ if (l = checkTsets(_i)) _i += l;
+
+ if (_i >= tokens.length) return _i - start;
+
+ if (tokens[_i].type === TokenType.Semicolon) _i++;
+ else return fail(tokens[_i]);
+
+ return _i - start;
+ }
+
+ function getAtrules() {
+ var atrules = (needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.AtrulesType, getAtkeyword()] : [CSSPNodeType.AtrulesType, getAtkeyword()]).concat(getTsets());
+
+ pos++;
+
+ return atrules;
+ }
+
+//block = '{' blockdecl*:x '}' -> this.concatContent([#block], x)
+ function checkBlock(_i) {
+ if (_i < tokens.length && tokens[_i].type === TokenType.LeftCurlyBracket) return tokens[_i].right - _i + 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getBlock() {
+ var block = needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.BlockType] : [CSSPNodeType.BlockType],
+ end = tokens[pos].right;
+
+ pos++;
+
+ while (pos < end) {
+ if (checkBlockdecl(pos)) block = block.concat(getBlockdecl());
+ else throwError();
+ }
+
+ pos = end + 1;
+
+ return block;
+ }
+
+//blockdecl = sc*:s0 (filter | declaration):x decldelim:y sc*:s1 -> this.concat(s0, [x], [y], s1)
+// | sc*:s0 (filter | declaration):x sc*:s1 -> this.concat(s0, [x], s1)
+// | sc*:s0 decldelim:x sc*:s1 -> this.concat(s0, [x], s1)
+// | sc+:s0 -> s0
+
+ function checkBlockdecl(_i) {
+ var l;
+
+ if (l = _checkBlockdecl0(_i)) tokens[_i].bd_type = 1;
+ else if (l = _checkBlockdecl1(_i)) tokens[_i].bd_type = 2;
+ else if (l = _checkBlockdecl2(_i)) tokens[_i].bd_type = 3;
+ else if (l = _checkBlockdecl3(_i)) tokens[_i].bd_type = 4;
+ else return fail(tokens[_i]);
+
+ return l;
+ }
+
+ function getBlockdecl() {
+ switch (tokens[pos].bd_type) {
+ case 1: return _getBlockdecl0();
+ case 2: return _getBlockdecl1();
+ case 3: return _getBlockdecl2();
+ case 4: return _getBlockdecl3();
+ }
+ }
+
+ //sc*:s0 (filter | declaration):x decldelim:y sc*:s1 -> this.concat(s0, [x], [y], s1)
+ function _checkBlockdecl0(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkSC(_i)) _i += l;
+
+ if (l = checkFilter(_i)) {
+ tokens[_i].bd_filter = 1;
+ _i += l;
+ } else if (l = checkDeclaration(_i)) {
+ tokens[_i].bd_decl = 1;
+ _i += l;
+ } else return fail(tokens[_i]);
+
+ if (_i < tokens.length && (l = checkDecldelim(_i))) _i += l;
+ else return fail(tokens[_i]);
+
+ if (l = checkSC(_i)) _i += l;
+
+ return _i - start;
+ }
+
+ function _getBlockdecl0() {
+ return getSC()
+ .concat([tokens[pos].bd_filter? getFilter() : getDeclaration()])
+ .concat([getDecldelim()])
+ .concat(getSC());
+ }
+
+ //sc*:s0 (filter | declaration):x sc*:s1 -> this.concat(s0, [x], s1)
+ function _checkBlockdecl1(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkSC(_i)) _i += l;
+
+ if (l = checkFilter(_i)) {
+ tokens[_i].bd_filter = 1;
+ _i += l;
+ } else if (l = checkDeclaration(_i)) {
+ tokens[_i].bd_decl = 1;
+ _i += l;
+ } else return fail(tokens[_i]);
+
+ if (l = checkSC(_i)) _i += l;
+
+ return _i - start;
+ }
+
+ function _getBlockdecl1() {
+ return getSC()
+ .concat([tokens[pos].bd_filter? getFilter() : getDeclaration()])
+ .concat(getSC());
+ }
+
+ //sc*:s0 decldelim:x sc*:s1 -> this.concat(s0, [x], s1)
+ function _checkBlockdecl2(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkSC(_i)) _i += l;
+
+ if (l = checkDecldelim(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ if (l = checkSC(_i)) _i += l;
+
+ return _i - start;
+ }
+
+ function _getBlockdecl2() {
+ return getSC()
+ .concat([getDecldelim()])
+ .concat(getSC());
+ }
+
+ //sc+:s0 -> s0
+ function _checkBlockdecl3(_i) {
+ return checkSC(_i);
+ }
+
+ function _getBlockdecl3() {
+ return getSC();
+ }
+
+//braces = '(' tset*:x ')' -> this.concat([#braces, '(', ')'], x)
+// | '[' tset*:x ']' -> this.concat([#braces, '[', ']'], x)
+ function checkBraces(_i) {
+ if (_i >= tokens.length ||
+ (tokens[_i].type !== TokenType.LeftParenthesis &&
+ tokens[_i].type !== TokenType.LeftSquareBracket)
+ ) return fail(tokens[_i]);
+
+ return tokens[_i].right - _i + 1;
+ }
+
+ function getBraces() {
+ var startPos = pos,
+ left = pos,
+ right = tokens[pos].right;
+
+ pos++;
+
+ var tsets = getTsets();
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.BracesType, tokens[left].value, tokens[right].value].concat(tsets) :
+ [CSSPNodeType.BracesType, tokens[left].value, tokens[right].value].concat(tsets);
+ }
+
+ function checkCDC(_i) {}
+
+ function checkCDO(_i) {}
+
+ // node: Clazz
+ function checkClazz(_i) {
+ var l;
+
+ if (tokens[_i].clazz_l) return tokens[_i].clazz_l;
+
+ if (tokens[_i].type === TokenType.FullStop) {
+ if (l = checkIdent(_i + 1)) {
+ tokens[_i].clazz_l = l + 1;
+ return l + 1;
+ }
+ }
+
+ return fail(tokens[_i]);
+ }
+
+ function getClazz() {
+ var startPos = pos;
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.ClazzType, getIdent()] :
+ [CSSPNodeType.ClazzType, getIdent()];
+ }
+
+ // node: Combinator
+ function checkCombinator(_i) {
+ if (tokens[_i].type === TokenType.PlusSign ||
+ tokens[_i].type === TokenType.GreaterThanSign ||
+ tokens[_i].type === TokenType.Tilde) return 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getCombinator() {
+ return needInfo?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.CombinatorType, tokens[pos++].value] :
+ [CSSPNodeType.CombinatorType, tokens[pos++].value];
+ }
+
+ // node: Comment
+ function checkComment(_i) {
+ if (tokens[_i].type === TokenType.CommentML) return 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getComment() {
+ var startPos = pos,
+ s = tokens[pos].value.substring(2),
+ l = s.length;
+
+ if (s.charAt(l - 2) === '*' && s.charAt(l - 1) === '/') s = s.substring(0, l - 2);
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.CommentType, s] :
+ [CSSPNodeType.CommentType, s];
+ }
+
+ // declaration = property:x ':' value:y -> [#declaration, x, y]
+ function checkDeclaration(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkProperty(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ if (_i < tokens.length && tokens[_i].type === TokenType.Colon) _i++;
+ else return fail(tokens[_i]);
+
+ if (l = checkValue(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ return _i - start;
+ }
+
+ function getDeclaration() {
+ var declaration = needInfo?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.DeclarationType, getProperty()] :
+ [CSSPNodeType.DeclarationType, getProperty()];
+
+ pos++;
+
+ declaration.push(getValue());
+
+ return declaration;
+ }
+
+ // node: Decldelim
+ function checkDecldelim(_i) {
+ if (_i < tokens.length && tokens[_i].type === TokenType.Semicolon) return 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getDecldelim() {
+ var startPos = pos;
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.DecldelimType] :
+ [CSSPNodeType.DecldelimType];
+ }
+
+ // node: Delim
+ function checkDelim(_i) {
+ if (_i < tokens.length && tokens[_i].type === TokenType.Comma) return 1;
+
+ if (_i >= tokens.length) return fail(tokens[tokens.length - 1]);
+
+ return fail(tokens[_i]);
+ }
+
+ function getDelim() {
+ var startPos = pos;
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.DelimType] :
+ [CSSPNodeType.DelimType];
+ }
+
+ // node: Dimension
+ function checkDimension(_i) {
+ var ln = checkNumber(_i),
+ li;
+
+ if (!ln || (ln && _i + ln >= tokens.length)) return fail(tokens[_i]);
+
+ if (li = checkNmName2(_i + ln)) return ln + li;
+
+ return fail(tokens[_i]);
+ }
+
+ function getDimension() {
+ var startPos = pos,
+ n = getNumber(),
+ dimension = needInfo ?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.IdentType, getNmName2()] :
+ [CSSPNodeType.IdentType, getNmName2()];
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.DimensionType, n, dimension] :
+ [CSSPNodeType.DimensionType, n, dimension];
+ }
+
+//filter = filterp:x ':' filterv:y -> [#filter, x, y]
+ function checkFilter(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkFilterp(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ if (tokens[_i].type === TokenType.Colon) _i++;
+ else return fail(tokens[_i]);
+
+ if (l = checkFilterv(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ return _i - start;
+ }
+
+ function getFilter() {
+ var filter = needInfo?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.FilterType, getFilterp()] :
+ [CSSPNodeType.FilterType, getFilterp()];
+
+ pos++;
+
+ filter.push(getFilterv());
+
+ return filter;
+ }
+
+//filterp = (seq('-filter') | seq('_filter') | seq('*filter') | seq('-ms-filter') | seq('filter')):t sc*:s0 -> this.concat([#property, [#ident, t]], s0)
+ function checkFilterp(_i) {
+ var start = _i,
+ l,
+ x;
+
+ if (_i < tokens.length) {
+ if (tokens[_i].value === 'filter') l = 1;
+ else {
+ x = joinValues2(_i, 2);
+
+ if (x === '-filter' || x === '_filter' || x === '*filter') l = 2;
+ else {
+ x = joinValues2(_i, 4);
+
+ if (x === '-ms-filter') l = 4;
+ else return fail(tokens[_i]);
+ }
+ }
+
+ tokens[start].filterp_l = l;
+
+ _i += l;
+
+ if (checkSC(_i)) _i += l;
+
+ return _i - start;
+ }
+
+ return fail(tokens[_i]);
+ }
+
+ function getFilterp() {
+ var startPos = pos,
+ x = joinValues2(pos, tokens[pos].filterp_l),
+ ident = needInfo? [{ ln: tokens[startPos].ln }, CSSPNodeType.IdentType, x] : [CSSPNodeType.IdentType, x];
+
+ pos += tokens[pos].filterp_l;
+
+ return (needInfo? [{ ln: tokens[startPos].ln }, CSSPNodeType.PropertyType, ident] : [CSSPNodeType.PropertyType, ident])
+ .concat(getSC());
+
+ }
+
+//filterv = progid+:x -> [#filterv].concat(x)
+ function checkFilterv(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkProgid(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ while (l = checkProgid(_i)) {
+ _i += l;
+ }
+
+ tokens[start].last_progid = _i;
+
+ if (_i < tokens.length && (l = checkSC(_i))) _i += l;
+
+ if (_i < tokens.length && (l = checkImportant(_i))) _i += l;
+
+ return _i - start;
+ }
+
+ function getFilterv() {
+ var filterv = needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.FiltervType] : [CSSPNodeType.FiltervType],
+ last_progid = tokens[pos].last_progid;
+
+ while (pos < last_progid) {
+ filterv.push(getProgid());
+ }
+
+ filterv = filterv.concat(checkSC(pos) ? getSC() : []);
+
+ if (pos < tokens.length && checkImportant(pos)) filterv.push(getImportant());
+
+ return filterv;
+ }
+
+//functionExpression = ``expression('' functionExpressionBody*:x ')' -> [#functionExpression, x.join('')],
+ function checkFunctionExpression(_i) {
+ var start = _i;
+
+ if (!tokens[_i] || tokens[_i++].value !== 'expression') return fail(tokens[_i - 1]);
+
+ if (!tokens[_i] || tokens[_i].type !== TokenType.LeftParenthesis) return fail(tokens[_i]);
+
+ return tokens[_i].right - start + 1;
+ }
+
+ function getFunctionExpression() {
+ var startPos = pos;
+
+ pos++;
+
+ var e = joinValues(pos + 1, tokens[pos].right - 1);
+
+ pos = tokens[pos].right + 1;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.FunctionExpressionType, e] :
+ [CSSPNodeType.FunctionExpressionType, e];
+ }
+
+//funktion = ident:x '(' functionBody:y ')' -> [#funktion, x, y]
+ function checkFunktion(_i) {
+ var start = _i,
+ l = checkIdent(_i);
+
+ if (!l) return fail(tokens[_i]);
+
+ _i += l;
+
+ if (_i >= tokens.length || tokens[_i].type !== TokenType.LeftParenthesis) return fail(tokens[_i - 1]);
+
+ return tokens[_i].right - start + 1;
+ }
+
+ function getFunktion() {
+ var startPos = pos,
+ ident = getIdent();
+
+ pos++;
+
+ var body = ident[needInfo? 2 : 1] !== 'not'?
+ getFunctionBody() :
+ getNotFunctionBody(); // ok, here we have CSS3 initial draft: http://dev.w3.org/csswg/selectors3/#negation
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.FunktionType, ident, body] :
+ [CSSPNodeType.FunktionType, ident, body];
+ }
+
+ function getFunctionBody() {
+ var startPos = pos,
+ body = [],
+ x;
+
+ while (tokens[pos].type !== TokenType.RightParenthesis) {
+ if (checkTset(pos)) {
+ x = getTset();
+ if ((needInfo && typeof x[1] === 'string') || typeof x[0] === 'string') body.push(x);
+ else body = body.concat(x);
+ } else if (checkClazz(pos)) {
+ body.push(getClazz());
+ } else {
+ throwError();
+ }
+ }
+
+ pos++;
+
+ return (needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.FunctionBodyType] :
+ [CSSPNodeType.FunctionBodyType]
+ ).concat(body);
+ }
+
+ function getNotFunctionBody() {
+ var startPos = pos,
+ body = [],
+ x;
+
+ while (tokens[pos].type !== TokenType.RightParenthesis) {
+ if (checkSimpleselector(pos)) {
+ body.push(getSimpleSelector());
+ } else {
+ throwError();
+ }
+ }
+
+ pos++;
+
+ return (needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.FunctionBodyType] :
+ [CSSPNodeType.FunctionBodyType]
+ ).concat(body);
+ }
+
+ // node: Ident
+ function checkIdent(_i) {
+ var start = _i,
+ wasIdent = false;
+
+ // start char / word
+ if (_i < tokens.length &&
+ (tokens[_i].type === TokenType.HyphenMinus ||
+ tokens[_i].type === TokenType.LowLine ||
+ tokens[_i].type === TokenType.Identifier ||
+ tokens[_i].type === TokenType.DollarSign ||
+ tokens[_i].type === TokenType.Asterisk)) _i++;
+ else return fail(tokens[_i]);
+
+ wasIdent = tokens[_i - 1].type === TokenType.Identifier;
+
+ for (; _i < tokens.length; _i++) {
+ if (tokens[_i].type !== TokenType.HyphenMinus &&
+ tokens[_i].type !== TokenType.LowLine) {
+ if (tokens[_i].type !== TokenType.Identifier &&
+ (tokens[_i].type !== TokenType.DecimalNumber || !wasIdent)
+ ) break;
+ else wasIdent = true;
+ }
+ }
+
+ if (!wasIdent && tokens[start].type !== TokenType.Asterisk) return fail(tokens[_i]);
+
+ tokens[start].ident_last = _i - 1;
+
+ return _i - start;
+ }
+
+ function getIdent() {
+ var startPos = pos,
+ s = joinValues(pos, tokens[pos].ident_last);
+
+ pos = tokens[pos].ident_last + 1;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.IdentType, s] :
+ [CSSPNodeType.IdentType, s];
+ }
+
+//important = '!' sc*:s0 seq('important') -> [#important].concat(s0)
+ function checkImportant(_i) {
+ var start = _i,
+ l;
+
+ if (tokens[_i++].type !== TokenType.ExclamationMark) return fail(tokens[_i - 1]);
+
+ if (l = checkSC(_i)) _i += l;
+
+ if (tokens[_i].value !== 'important') return fail(tokens[_i]);
+
+ return _i - start + 1;
+ }
+
+ function getImportant() {
+ var startPos = pos;
+
+ pos++;
+
+ var sc = getSC();
+
+ pos++;
+
+ return (needInfo? [{ ln: tokens[startPos].ln }, CSSPNodeType.ImportantType] : [CSSPNodeType.ImportantType]).concat(sc);
+ }
+
+ // node: Namespace
+ function checkNamespace(_i) {
+ if (tokens[_i].type === TokenType.VerticalLine) return 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getNamespace() {
+ var startPos = pos;
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.NamespaceType] :
+ [CSSPNodeType.NamespaceType];
+ }
+
+//nth = (digit | 'n')+:x -> [#nth, x.join('')]
+// | (seq('even') | seq('odd')):x -> [#nth, x]
+ function checkNth(_i) {
+ return checkNth1(_i) || checkNth2(_i);
+ }
+
+ function checkNth1(_i) {
+ var start = _i;
+
+ for (; _i < tokens.length; _i++) {
+ if (tokens[_i].type !== TokenType.DecimalNumber && tokens[_i].value !== 'n') break;
+ }
+
+ if (_i !== start) {
+ tokens[start].nth_last = _i - 1;
+ return _i - start;
+ }
+
+ return fail(tokens[_i]);
+ }
+
+ function getNth() {
+ var startPos = pos;
+
+ if (tokens[pos].nth_last) {
+ var n = needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.NthType, joinValues(pos, tokens[pos].nth_last)] :
+ [CSSPNodeType.NthType, joinValues(pos, tokens[pos].nth_last)];
+
+ pos = tokens[pos].nth_last + 1;
+
+ return n;
+ }
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.NthType, tokens[pos++].value] :
+ [CSSPNodeType.NthType, tokens[pos++].value];
+ }
+
+ function checkNth2(_i) {
+ if (tokens[_i].value === 'even' || tokens[_i].value === 'odd') return 1;
+
+ return fail(tokens[_i]);
+ }
+
+//nthf = ':' seq('nth-'):x (seq('child') | seq('last-child') | seq('of-type') | seq('last-of-type')):y -> (x + y)
+ function checkNthf(_i) {
+ var start = _i,
+ l = 0;
+
+ if (tokens[_i++].type !== TokenType.Colon) return fail(tokens[_i - 1]); l++;
+
+ if (tokens[_i++].value !== 'nth' || tokens[_i++].value !== '-') return fail(tokens[_i - 1]); l += 2;
+
+ if ('child' === tokens[_i].value) {
+ l += 1;
+ } else if ('last-child' === tokens[_i].value +
+ tokens[_i + 1].value +
+ tokens[_i + 2].value) {
+ l += 3;
+ } else if ('of-type' === tokens[_i].value +
+ tokens[_i + 1].value +
+ tokens[_i + 2].value) {
+ l += 3;
+ } else if ('last-of-type' === tokens[_i].value +
+ tokens[_i + 1].value +
+ tokens[_i + 2].value +
+ tokens[_i + 3].value +
+ tokens[_i + 4].value) {
+ l += 5;
+ } else return fail(tokens[_i]);
+
+ tokens[start + 1].nthf_last = start + l - 1;
+
+ return l;
+ }
+
+ function getNthf() {
+ pos++;
+
+ var s = joinValues(pos, tokens[pos].nthf_last);
+
+ pos = tokens[pos].nthf_last + 1;
+
+ return s;
+ }
+
+//nthselector = nthf:x '(' (sc | unary | nth)*:y ')' -> [#nthselector, [#ident, x]].concat(y)
+ function checkNthselector(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkNthf(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ if (tokens[_i].type !== TokenType.LeftParenthesis || !tokens[_i].right) return fail(tokens[_i]);
+
+ l++;
+
+ var rp = tokens[_i++].right;
+
+ while (_i < rp) {
+ if (l = checkSC(_i)) _i += l;
+ else if (l = checkUnary(_i)) _i += l;
+ else if (l = checkNth(_i)) _i += l;
+ else return fail(tokens[_i]);
+ }
+
+ return rp - start + 1;
+ }
+
+ function getNthselector() {
+ var startPos = pos,
+ nthf = needInfo?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.IdentType, getNthf()] :
+ [CSSPNodeType.IdentType, getNthf()],
+ ns = needInfo?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.NthselectorType, nthf] :
+ [CSSPNodeType.NthselectorType, nthf];
+
+ pos++;
+
+ while (tokens[pos].type !== TokenType.RightParenthesis) {
+ if (checkSC(pos)) ns = ns.concat(getSC());
+ else if (checkUnary(pos)) ns.push(getUnary());
+ else if (checkNth(pos)) ns.push(getNth());
+ }
+
+ pos++;
+
+ return ns;
+ }
+
+ // node: Number
+ function checkNumber(_i) {
+ if (_i < tokens.length && tokens[_i].number_l) return tokens[_i].number_l;
+
+ if (_i < tokens.length && tokens[_i].type === TokenType.DecimalNumber &&
+ (!tokens[_i + 1] ||
+ (tokens[_i + 1] && tokens[_i + 1].type !== TokenType.FullStop))
+ ) return (tokens[_i].number_l = 1, tokens[_i].number_l); // 10
+
+ if (_i < tokens.length &&
+ tokens[_i].type === TokenType.DecimalNumber &&
+ tokens[_i + 1] && tokens[_i + 1].type === TokenType.FullStop &&
+ (!tokens[_i + 2] || (tokens[_i + 2].type !== TokenType.DecimalNumber))
+ ) return (tokens[_i].number_l = 2, tokens[_i].number_l); // 10.
+
+ if (_i < tokens.length &&
+ tokens[_i].type === TokenType.FullStop &&
+ tokens[_i + 1].type === TokenType.DecimalNumber
+ ) return (tokens[_i].number_l = 2, tokens[_i].number_l); // .10
+
+ if (_i < tokens.length &&
+ tokens[_i].type === TokenType.DecimalNumber &&
+ tokens[_i + 1] && tokens[_i + 1].type === TokenType.FullStop &&
+ tokens[_i + 2] && tokens[_i + 2].type === TokenType.DecimalNumber
+ ) return (tokens[_i].number_l = 3, tokens[_i].number_l); // 10.10
+
+ return fail(tokens[_i]);
+ }
+
+ function getNumber() {
+ var s = '',
+ startPos = pos,
+ l = tokens[pos].number_l;
+
+ for (var i = 0; i < l; i++) {
+ s += tokens[pos + i].value;
+ }
+
+ pos += l;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.NumberType, s] :
+ [CSSPNodeType.NumberType, s];
+ }
+
+ // node: Operator
+ function checkOperator(_i) {
+ if (_i < tokens.length &&
+ (tokens[_i].type === TokenType.Solidus ||
+ tokens[_i].type === TokenType.Comma ||
+ tokens[_i].type === TokenType.Colon ||
+ tokens[_i].type === TokenType.EqualsSign)) return 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getOperator() {
+ return needInfo?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.OperatorType, tokens[pos++].value] :
+ [CSSPNodeType.OperatorType, tokens[pos++].value];
+ }
+
+ // node: Percentage
+ function checkPercentage(_i) {
+ var x = checkNumber(_i);
+
+ if (!x || (x && _i + x >= tokens.length)) return fail(tokens[_i]);
+
+ if (tokens[_i + x].type === TokenType.PercentSign) return x + 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getPercentage() {
+ var startPos = pos,
+ n = getNumber();
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.PercentageType, n] :
+ [CSSPNodeType.PercentageType, n];
+ }
+
+//progid = sc*:s0 seq('progid:DXImageTransform.Microsoft.'):x letter+:y '(' (m_string | m_comment | ~')' char)+:z ')' sc*:s1
+// -> this.concat([#progid], s0, [[#raw, x + y.join('') + '(' + z.join('') + ')']], s1),
+ function checkProgid(_i) {
+ var start = _i,
+ l,
+ x;
+
+ if (l = checkSC(_i)) _i += l;
+
+ if ((x = joinValues2(_i, 6)) === 'progid:DXImageTransform.Microsoft.') {
+ _start = _i;
+ _i += 6;
+ } else return fail(tokens[_i - 1]);
+
+ if (l = checkIdent(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ if (l = checkSC(_i)) _i += l;
+
+ if (tokens[_i].type === TokenType.LeftParenthesis) {
+ tokens[start].progid_end = tokens[_i].right;
+ _i = tokens[_i].right + 1;
+ } else return fail(tokens[_i]);
+
+ if (l = checkSC(_i)) _i += l;
+
+ return _i - start;
+ }
+
+ function getProgid() {
+ var startPos = pos,
+ progid_end = tokens[pos].progid_end;
+
+ return (needInfo? [{ ln: tokens[startPos].ln }, CSSPNodeType.ProgidType] : [CSSPNodeType.ProgidType])
+ .concat(getSC())
+ .concat([_getProgid(progid_end)])
+ .concat(getSC());
+ }
+
+ function _getProgid(progid_end) {
+ var startPos = pos,
+ x = joinValues(pos, progid_end);
+
+ pos = progid_end + 1;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.RawType, x] :
+ [CSSPNodeType.RawType, x];
+ }
+
+//property = ident:x sc*:s0 -> this.concat([#property, x], s0)
+ function checkProperty(_i) {
+ var start = _i,
+ l;
+
+ if (l = checkIdent(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ if (l = checkSC(_i)) _i += l;
+ return _i - start;
+ }
+
+ function getProperty() {
+ var startPos = pos;
+
+ return (needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.PropertyType, getIdent()] :
+ [CSSPNodeType.PropertyType, getIdent()])
+ .concat(getSC());
+ }
+
+ function checkPseudo(_i) {
+ return checkPseudoe(_i) ||
+ checkPseudoc(_i);
+ }
+
+ function getPseudo() {
+ if (checkPseudoe(pos)) return getPseudoe();
+ if (checkPseudoc(pos)) return getPseudoc();
+ }
+
+ function checkPseudoe(_i) {
+ var l;
+
+ if (tokens[_i++].type !== TokenType.Colon) return fail(tokens[_i - 1]);
+
+ if (tokens[_i++].type !== TokenType.Colon) return fail(tokens[_i - 1]);
+
+ if (l = checkIdent(_i)) return l + 2;
+
+ return fail(tokens[_i]);
+ }
+
+ function getPseudoe() {
+ var startPos = pos;
+
+ pos += 2;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.PseudoeType, getIdent()] :
+ [CSSPNodeType.PseudoeType, getIdent()];
+ }
+
+//pseudoc = ':' (funktion | ident):x -> [#pseudoc, x]
+ function checkPseudoc(_i) {
+ var l;
+
+ if (tokens[_i++].type !== TokenType.Colon) return fail(tokens[_i - 1]);
+
+ if ((l = checkFunktion(_i)) || (l = checkIdent(_i))) return l + 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getPseudoc() {
+ var startPos = pos;
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.PseudocType, checkFunktion(pos)? getFunktion() : getIdent()] :
+ [CSSPNodeType.PseudocType, checkFunktion(pos)? getFunktion() : getIdent()];
+ }
+
+ //ruleset = selector*:x block:y -> this.concat([#ruleset], x, [y])
+ function checkRuleset(_i) {
+ var start = _i,
+ l;
+
+ if (tokens[start].ruleset_l !== undefined) return tokens[start].ruleset_l;
+
+ while (l = checkSelector(_i)) {
+ _i += l;
+ }
+
+ if (l = checkBlock(_i)) _i += l;
+ else return fail(tokens[_i]);
+
+ tokens[start].ruleset_l = _i - start;
+
+ return _i - start;
+ }
+
+ function getRuleset() {
+ var ruleset = needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.RulesetType] : [CSSPNodeType.RulesetType];
+
+ while (!checkBlock(pos)) {
+ ruleset.push(getSelector());
+ }
+
+ ruleset.push(getBlock());
+
+ return ruleset;
+ }
+
+ // node: S
+ function checkS(_i) {
+ if (tokens[_i].ws) return tokens[_i].ws_last - _i + 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getS() {
+ var startPos = pos,
+ s = joinValues(pos, tokens[pos].ws_last);
+
+ pos = tokens[pos].ws_last + 1;
+
+ return needInfo? [{ ln: tokens[startPos].ln }, CSSPNodeType.SType, s] : [CSSPNodeType.SType, s];
+ }
+
+ function checkSC(_i) {
+ var l,
+ lsc = 0;
+
+ while (_i < tokens.length) {
+ if (!(l = checkS(_i)) && !(l = checkComment(_i))) break;
+ _i += l;
+ lsc += l;
+ }
+
+ if (lsc) return lsc;
+
+ if (_i >= tokens.length) return fail(tokens[tokens.length - 1]);
+
+ return fail(tokens[_i]);
+ }
+
+ function getSC() {
+ var sc = [];
+
+ while (pos < tokens.length) {
+ if (checkS(pos)) sc.push(getS());
+ else if (checkComment(pos)) sc.push(getComment());
+ else break;
+ }
+
+ return sc;
+ }
+
+ //selector = (simpleselector | delim)+:x -> this.concat([#selector], x)
+ function checkSelector(_i) {
+ var start = _i,
+ l;
+
+ if (_i < tokens.length) {
+ while (l = checkSimpleselector(_i) || checkDelim(_i)) {
+ _i += l;
+ }
+
+ tokens[start].selector_end = _i - 1;
+
+ return _i - start;
+ }
+ }
+
+ function getSelector() {
+ var selector = needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.SelectorType] : [CSSPNodeType.SelectorType],
+ selector_end = tokens[pos].selector_end;
+
+ while (pos <= selector_end) {
+ selector.push(checkDelim(pos) ? getDelim() : getSimpleSelector());
+ }
+
+ return selector;
+ }
+
+ // node: Shash
+ function checkShash(_i) {
+ if (tokens[_i].type !== TokenType.NumberSign) return fail(tokens[_i]);
+
+ var l = checkNmName(_i + 1);
+
+ if (l) return l + 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getShash() {
+ var startPos = pos;
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.ShashType, getNmName()] :
+ [CSSPNodeType.ShashType, getNmName()];
+ }
+
+//simpleselector = (nthselector | combinator | attrib | pseudo | clazz | shash | any | sc | namespace)+:x -> this.concatContent([#simpleselector], [x])
+ function checkSimpleselector(_i) {
+ var start = _i,
+ l;
+
+ while (_i < tokens.length) {
+ if (l = _checkSimpleSelector(_i)) _i += l;
+ else break;
+ }
+
+ if (_i - start) return _i - start;
+
+ if (_i >= tokens.length) return fail(tokens[tokens.length - 1]);
+
+ return fail(tokens[_i]);
+ }
+
+ function _checkSimpleSelector(_i) {
+ return checkNthselector(_i) ||
+ checkCombinator(_i) ||
+ checkAttrib(_i) ||
+ checkPseudo(_i) ||
+ checkClazz(_i) ||
+ checkShash(_i) ||
+ checkAny(_i) ||
+ checkSC(_i) ||
+ checkNamespace(_i);
+ }
+
+ function getSimpleSelector() {
+ var ss = needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.SimpleselectorType] : [CSSPNodeType.SimpleselectorType],
+ t;
+
+ while (pos < tokens.length && _checkSimpleSelector(pos)) {
+ t = _getSimpleSelector();
+
+ if ((needInfo && typeof t[1] === 'string') || typeof t[0] === 'string') ss.push(t);
+ else ss = ss.concat(t);
+ }
+
+ return ss;
+ }
+
+ function _getSimpleSelector() {
+ if (checkNthselector(pos)) return getNthselector();
+ else if (checkCombinator(pos)) return getCombinator();
+ else if (checkAttrib(pos)) return getAttrib();
+ else if (checkPseudo(pos)) return getPseudo();
+ else if (checkClazz(pos)) return getClazz();
+ else if (checkShash(pos)) return getShash();
+ else if (checkAny(pos)) return getAny();
+ else if (checkSC(pos)) return getSC();
+ else if (checkNamespace(pos)) return getNamespace();
+ }
+
+ // node: String
+ function checkString(_i) {
+ if (_i < tokens.length &&
+ (tokens[_i].type === TokenType.StringSQ || tokens[_i].type === TokenType.StringDQ)
+ ) return 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getString() {
+ var startPos = pos;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.StringType, tokens[pos++].value] :
+ [CSSPNodeType.StringType, tokens[pos++].value];
+ }
+
+ //stylesheet = (cdo | cdc | sc | statement)*:x -> this.concat([#stylesheet], x)
+ function checkStylesheet(_i) {
+ var start = _i,
+ l;
+
+ while (_i < tokens.length) {
+ if (l = checkSC(_i)) _i += l;
+ else {
+ currentBlockLN = tokens[_i].ln;
+ if (l = checkAtrule(_i)) _i += l;
+ else if (l = checkRuleset(_i)) _i += l;
+ else if (l = checkUnknown(_i)) _i += l;
+ else throwError();
+ }
+ }
+
+ return _i - start;
+ }
+
+ function getStylesheet(_i) {
+ var t,
+ stylesheet = needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.StylesheetType] : [CSSPNodeType.StylesheetType];
+
+ while (pos < tokens.length) {
+ if (checkSC(pos)) stylesheet = stylesheet.concat(getSC());
+ else {
+ currentBlockLN = tokens[pos].ln;
+ if (checkRuleset(pos)) stylesheet.push(getRuleset());
+ else if (checkAtrule(pos)) stylesheet.push(getAtrule());
+ else if (checkUnknown(pos)) stylesheet.push(getUnknown());
+ else throwError();
+ }
+ }
+
+ return stylesheet;
+ }
+
+//tset = vhash | any | sc | operator
+ function checkTset(_i) {
+ return checkVhash(_i) ||
+ checkAny(_i) ||
+ checkSC(_i) ||
+ checkOperator(_i);
+ }
+
+ function getTset() {
+ if (checkVhash(pos)) return getVhash();
+ else if (checkAny(pos)) return getAny();
+ else if (checkSC(pos)) return getSC();
+ else if (checkOperator(pos)) return getOperator();
+ }
+
+ function checkTsets(_i) {
+ var start = _i,
+ l;
+
+ while (l = checkTset(_i)) {
+ _i += l;
+ }
+
+ return _i - start;
+ }
+
+ function getTsets() {
+ var tsets = [],
+ x;
+
+ while (x = getTset()) {
+ if ((needInfo && typeof x[1] === 'string') || typeof x[0] === 'string') tsets.push(x);
+ else tsets = tsets.concat(x);
+ }
+
+ return tsets;
+ }
+
+ // node: Unary
+ function checkUnary(_i) {
+ if (_i < tokens.length &&
+ (tokens[_i].type === TokenType.HyphenMinus ||
+ tokens[_i].type === TokenType.PlusSign)
+ ) return 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getUnary() {
+ var startPos = pos;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.UnaryType, tokens[pos++].value] :
+ [CSSPNodeType.UnaryType, tokens[pos++].value];
+ }
+
+ // node: Unknown
+ function checkUnknown(_i) {
+ if (_i < tokens.length && tokens[_i].type === TokenType.CommentSL) return 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getUnknown() {
+ var startPos = pos;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.UnknownType, tokens[pos++].value] :
+ [CSSPNodeType.UnknownType, tokens[pos++].value];
+ }
+
+// uri = seq('url(') sc*:s0 string:x sc*:s1 ')' -> this.concat([#uri], s0, [x], s1)
+// | seq('url(') sc*:s0 (~')' ~m_w char)*:x sc*:s1 ')' -> this.concat([#uri], s0, [[#raw, x.join('')]], s1),
+ function checkUri(_i) {
+ var start = _i,
+ l;
+
+ if (_i < tokens.length && tokens[_i++].value !== 'url') return fail(tokens[_i - 1]);
+
+ if (!tokens[_i] || tokens[_i].type !== TokenType.LeftParenthesis) return fail(tokens[_i]);
+
+ return tokens[_i].right - start + 1;
+ }
+
+ function getUri() {
+ var startPos = pos,
+ uriExcluding = {};
+
+ pos += 2;
+
+ uriExcluding[TokenType.Space] = 1;
+ uriExcluding[TokenType.Tab] = 1;
+ uriExcluding[TokenType.Newline] = 1;
+ uriExcluding[TokenType.LeftParenthesis] = 1;
+ uriExcluding[TokenType.RightParenthesis] = 1;
+
+ if (checkUri1(pos)) {
+ var uri = (needInfo? [{ ln: tokens[startPos].ln }, CSSPNodeType.UriType] : [CSSPNodeType.UriType])
+ .concat(getSC())
+ .concat([getString()])
+ .concat(getSC());
+
+ pos++;
+
+ return uri;
+ } else {
+ var uri = (needInfo? [{ ln: tokens[startPos].ln }, CSSPNodeType.UriType] : [CSSPNodeType.UriType])
+ .concat(getSC()),
+ l = checkExcluding(uriExcluding, pos),
+ raw = needInfo?
+ [{ ln: tokens[pos].ln }, CSSPNodeType.RawType, joinValues(pos, pos + l)] :
+ [CSSPNodeType.RawType, joinValues(pos, pos + l)];
+
+ uri.push(raw);
+
+ pos += l + 1;
+
+ uri = uri.concat(getSC());
+
+ pos++;
+
+ return uri;
+ }
+ }
+
+ function checkUri1(_i) {
+ var start = _i,
+ l = checkSC(_i);
+
+ if (l) _i += l;
+
+ if (tokens[_i].type !== TokenType.StringDQ && tokens[_i].type !== TokenType.StringSQ) return fail(tokens[_i]);
+
+ _i++;
+
+ if (l = checkSC(_i)) _i += l;
+
+ return _i - start;
+ }
+
+ // value = (sc | vhash | any | block | atkeyword | operator | important)+:x -> this.concat([#value], x)
+ function checkValue(_i) {
+ var start = _i,
+ l;
+
+ while (_i < tokens.length) {
+ if (l = _checkValue(_i)) _i += l;
+ else break;
+ }
+
+ if (_i - start) return _i - start;
+
+ return fail(tokens[_i]);
+ }
+
+ function _checkValue(_i) {
+ return checkSC(_i) ||
+ checkVhash(_i) ||
+ checkAny(_i) ||
+ checkBlock(_i) ||
+ checkAtkeyword(_i) ||
+ checkOperator(_i) ||
+ checkImportant(_i);
+ }
+
+ function getValue() {
+ var ss = needInfo? [{ ln: tokens[pos].ln }, CSSPNodeType.ValueType] : [CSSPNodeType.ValueType],
+ t;
+
+ while (pos < tokens.length && _checkValue(pos)) {
+ t = _getValue();
+
+ if ((needInfo && typeof t[1] === 'string') || typeof t[0] === 'string') ss.push(t);
+ else ss = ss.concat(t);
+ }
+
+ return ss;
+ }
+
+ function _getValue() {
+ if (checkSC(pos)) return getSC();
+ else if (checkVhash(pos)) return getVhash();
+ else if (checkAny(pos)) return getAny();
+ else if (checkBlock(pos)) return getBlock();
+ else if (checkAtkeyword(pos)) return getAtkeyword();
+ else if (checkOperator(pos)) return getOperator();
+ else if (checkImportant(pos)) return getImportant();
+ }
+
+ // node: Vhash
+ function checkVhash(_i) {
+ if (_i >= tokens.length || tokens[_i].type !== TokenType.NumberSign) return fail(tokens[_i]);
+
+ var l = checkNmName2(_i + 1);
+
+ if (l) return l + 1;
+
+ return fail(tokens[_i]);
+ }
+
+ function getVhash() {
+ var startPos = pos;
+
+ pos++;
+
+ return needInfo?
+ [{ ln: tokens[startPos].ln }, CSSPNodeType.VhashType, getNmName2()] :
+ [CSSPNodeType.VhashType, getNmName2()];
+ }
+
+ function checkNmName(_i) {
+ var start = _i;
+
+ // start char / word
+ if (tokens[_i].type === TokenType.HyphenMinus ||
+ tokens[_i].type === TokenType.LowLine ||
+ tokens[_i].type === TokenType.Identifier ||
+ tokens[_i].type === TokenType.DecimalNumber) _i++;
+ else return fail(tokens[_i]);
+
+ for (; _i < tokens.length; _i++) {
+ if (tokens[_i].type !== TokenType.HyphenMinus &&
+ tokens[_i].type !== TokenType.LowLine &&
+ tokens[_i].type !== TokenType.Identifier &&
+ tokens[_i].type !== TokenType.DecimalNumber) break;
+ }
+
+ tokens[start].nm_name_last = _i - 1;
+
+ return _i - start;
+ }
+
+ function getNmName() {
+ var s = joinValues(pos, tokens[pos].nm_name_last);
+
+ pos = tokens[pos].nm_name_last + 1;
+
+ return s;
+ }
+
+ function checkNmName2(_i) {
+ var start = _i;
+
+ if (tokens[_i].type === TokenType.Identifier) return 1;
+ else if (tokens[_i].type !== TokenType.DecimalNumber) return fail(tokens[_i]);
+
+ _i++;
+
+ if (!tokens[_i] || tokens[_i].type !== TokenType.Identifier) return 1;
+
+ return 2;
+ }
+
+ function getNmName2() {
+ var s = tokens[pos].value;
+
+ if (tokens[pos++].type === TokenType.DecimalNumber &&
+ pos < tokens.length &&
+ tokens[pos].type === TokenType.Identifier
+ ) s += tokens[pos++].value;
+
+ return s;
+ }
+
+ function checkExcluding(exclude, _i) {
+ var start = _i;
+
+ while(_i < tokens.length) {
+ if (exclude[tokens[_i++].type]) break;
+ }
+
+ return _i - start - 2;
+ }
+
+ function joinValues(start, finish) {
+ var s = '';
+
+ for (var i = start; i < finish + 1; i++) {
+ s += tokens[i].value;
+ }
+
+ return s;
+ }
+
+ function joinValues2(start, num) {
+ if (start + num - 1 >= tokens.length) return;
+
+ var s = '';
+
+ for (var i = 0; i < num; i++) {
+ s += tokens[start + i].value;
+ }
+
+ return s;
+ }
+
+ function markSC() {
+ var ws = -1, // whitespaces
+ sc = -1, // ws and comments
+ t;
+
+ for (var i = 0; i < tokens.length; i++) {
+ t = tokens[i];
+ switch (t.type) {
+ case TokenType.Space:
+ case TokenType.Tab:
+ case TokenType.Newline:
+ t.ws = true;
+ t.sc = true;
+
+ if (ws === -1) ws = i;
+ if (sc === -1) sc = i;
+
+ break;
+ case TokenType.CommentML:
+ if (ws !== -1) {
+ tokens[ws].ws_last = i - 1;
+ ws = -1;
+ }
+
+ t.sc = true;
+
+ break;
+ default:
+ if (ws !== -1) {
+ tokens[ws].ws_last = i - 1;
+ ws = -1;
+ }
+
+ if (sc !== -1) {
+ tokens[sc].sc_last = i - 1;
+ sc = -1;
+ }
+ }
+ }
+
+ if (ws !== -1) tokens[ws].ws_last = i - 1;
+ if (sc !== -1) tokens[sc].sc_last = i - 1;
+ }
+
+ return _getAST(_tokens, rule, _needInfo);
+}
+
+ return getCSSPAST(getTokens(s), rule, _needInfo);
+}
+var translator = new CSSOTranslator(),
+ cleanInfo = $util.cleanInfo;
+function TRBL(name, imp) {
+ this.name = TRBL.extractMain(name);
+ this.sides = {
+ 'top': null,
+ 'right': null,
+ 'bottom': null,
+ 'left': null
+ };
+ this.imp = imp ? 4 : 0;
+}
+
+TRBL.props = {
+ 'margin': 1,
+ 'margin-top': 1,
+ 'margin-right': 1,
+ 'margin-bottom': 1,
+ 'margin-left': 1,
+ 'padding': 1,
+ 'padding-top': 1,
+ 'padding-right': 1,
+ 'padding-bottom': 1,
+ 'padding-left': 1
+};
+
+TRBL.extractMain = function(name) {
+ var i = name.indexOf('-');
+ return i === -1 ? name : name.substr(0, i);
+};
+
+TRBL.prototype.impSum = function() {
+ var imp = 0, n = 0;
+ for (var k in this.sides) {
+ if (this.sides[k]) {
+ n++;
+ if (this.sides[k].imp) imp++;
+ }
+ }
+ return imp === n ? imp : 0;
+};
+
+TRBL.prototype.add = function(name, sValue, tValue, imp) {
+ var s = this.sides,
+ currentSide,
+ i, x, side, a = [], last,
+ imp = imp ? 1 : 0,
+ wasUnary = false;
+ if ((i = name.lastIndexOf('-')) !== -1) {
+ side = name.substr(i + 1);
+ if (side in s) {
+ if (!(currentSide = s[side]) || (imp && !currentSide.imp)) {
+ s[side] = { s: imp ? sValue.substring(0, sValue.length - 10) : sValue, t: [tValue[0]], imp: imp };
+ if (tValue[0][1] === 'unary') s[side].t.push(tValue[1]);
+ }
+ return true;
+ }
+ } else if (name === this.name) {
+ for (i = 0; i < tValue.length; i++) {
+ x = tValue[i];
+ last = a[a.length - 1];
+ switch(x[1]) {
+ case 'unary':
+ a.push({ s: x[2], t: [x], imp: imp });
+ wasUnary = true;
+ break;
+ case 'number':
+ case 'ident':
+ if (wasUnary) {
+ last.t.push(x);
+ last.s += x[2];
+ } else {
+ a.push({ s: x[2], t: [x], imp: imp });
+ }
+ wasUnary = false;
+ break;
+ case 'percentage':
+ if (wasUnary) {
+ last.t.push(x);
+ last.s += x[2][2] + '%';
+ } else {
+ a.push({ s: x[2][2] + '%', t: [x], imp: imp });
+ }
+ wasUnary = false;
+ break;
+ case 'dimension':
+ if (wasUnary) {
+ last.t.push(x);
+ last.s += x[2][2] + x[3][2];
+ } else {
+ a.push({ s: x[2][2] + x[3][2], t: [x], imp: imp });
+ }
+ wasUnary = false;
+ break;
+ case 's':
+ case 'comment':
+ case 'important':
+ break;
+ default:
+ return false;
+ }
+ }
+
+ if (a.length > 4) return false;
+
+ if (!a[1]) a[1] = a[0];
+ if (!a[2]) a[2] = a[0];
+ if (!a[3]) a[3] = a[1];
+
+ if (!s.top) s.top = a[0];
+ if (!s.right) s.right = a[1];
+ if (!s.bottom) s.bottom = a[2];
+ if (!s.left) s.left = a[3];
+
+ return true;
+ }
+};
+
+TRBL.prototype.isOkToMinimize = function() {
+ var s = this.sides,
+ imp;
+
+ if (!!(s.top && s.right && s.bottom && s.left)) {
+ imp = s.top.imp + s.right.imp + s.bottom.imp + s.left.imp;
+ return (imp === 0 || imp === 4 || imp === this.imp);
+ }
+ return false;
+};
+
+TRBL.prototype.getValue = function() {
+ var s = this.sides,
+ a = [s.top, s.right, s.bottom, s.left],
+ r = [{}, 'value'];
+
+ if (s.left.s === s.right.s) {
+ a.length--;
+ if (s.bottom.s === s.top.s) {
+ a.length--;
+ if (s.right.s === s.top.s) {
+ a.length--;
+ }
+ }
+ }
+
+ for (var i = 0; i < a.length - 1; i++) {
+ r = r.concat(a[i].t);
+ r.push([{ s: ' ' }, 's', ' ']);
+ }
+ r = r.concat(a[i].t);
+
+ if (this.impSum()) r.push([{ s: '!important'}, 'important']);
+
+ return r;
+};
+
+TRBL.prototype.getProperty = function() {
+ return [{ s: this.name }, 'property', [{ s: this.name }, 'ident', this.name]];
+};
+
+TRBL.prototype.getString = function() {
+ var p = this.getProperty(),
+ v = this.getValue().slice(2),
+ r = p[0].s + ':';
+
+ for (var i = 0; i < v.length; i++) r += v[i][0].s;
+
+ return r;
+};
+
+function CSSOCompressor() {}
+
+CSSOCompressor.prototype.init = function() {
+ this.props = {};
+ this.shorts = {};
+ this.shorts2 = {};
+
+ this.ccrules = {}; // clean comment rules — special case to resolve ambiguity
+ this.crules = {}; // compress rules
+ this.prules = {}; // prepare rules
+ this.frrules = {}; // freeze ruleset rules
+ this.msrules = {}; // mark shorthands rules
+ this.csrules = {}; // clean shorthands rules
+ this.rbrules = {}; // restructure block rules
+ this.rjrules = {}; // rejoin ruleset rules
+ this.rrrules = {}; // restructure ruleset rules
+ this.frules = {}; // finalize rules
+
+ this.initRules(this.crules, this.defCCfg);
+ this.initRules(this.ccrules, this.cleanCfg);
+ this.initRules(this.frrules, this.frCfg);
+ this.initRules(this.prules, this.preCfg);
+ this.initRules(this.msrules, this.msCfg);
+ this.initRules(this.csrules, this.csCfg);
+ this.initRules(this.rbrules, this.defRBCfg);
+ this.initRules(this.rjrules, this.defRJCfg);
+ this.initRules(this.rrrules, this.defRRCfg);
+ this.initRules(this.frules, this.defFCfg);
+
+ this.shortGroupID = 0;
+ this.lastShortGroupID = 0;
+ this.lastShortSelector = 0;
+};
+
+CSSOCompressor.prototype.initRules = function(r, cfg) {
+ var o = this.order,
+ p = this.profile,
+ x, i, k,
+ t = [];
+
+ for (i = 0; i < o.length; i++) if (o[i] in cfg) t.push(o[i]);
+
+ if (!t.length) t = o;
+ for (i = 0; i < t.length; i++) {
+ x = p[t[i]];
+ for (k in x) r[k] ? r[k].push(t[i]) : r[k] = [t[i]];
+ }
+};
+
+CSSOCompressor.prototype.cleanCfg = {
+ 'cleanComment': 1
+};
+
+CSSOCompressor.prototype.defCCfg = {
+ 'cleanCharset': 1,
+ 'cleanImport': 1,
+ 'cleanWhitespace': 1,
+ 'cleanDecldelim': 1,
+ 'compressNumber': 1,
+ 'cleanUnary': 1,
+ 'compressColor': 1,
+ 'compressDimension': 1,
+ 'compressString': 1,
+ 'compressFontWeight': 1,
+ 'compressFont': 1,
+ 'compressBackground': 1,
+ 'cleanEmpty': 1
+};
+
+CSSOCompressor.prototype.defRBCfg = {
+ 'restructureBlock': 1
+};
+
+CSSOCompressor.prototype.defRJCfg = {
+ 'rejoinRuleset': 1,
+ 'cleanEmpty': 1
+};
+
+CSSOCompressor.prototype.defRRCfg = {
+ 'restructureRuleset': 1,
+ 'cleanEmpty': 1
+};
+
+CSSOCompressor.prototype.defFCfg = {
+ 'cleanEmpty': 1,
+ 'delimSelectors': 1,
+ 'delimBlocks': 1
+};
+
+CSSOCompressor.prototype.preCfg = {
+ 'destroyDelims': 1,
+ 'preTranslate': 1
+};
+
+CSSOCompressor.prototype.msCfg = {
+ 'markShorthands': 1
+};
+
+CSSOCompressor.prototype.frCfg = {
+ 'freezeRulesets': 1
+};
+
+CSSOCompressor.prototype.csCfg = {
+ 'cleanShorthands': 1,
+ 'cleanEmpty': 1
+};
+
+CSSOCompressor.prototype.order = [
+ 'cleanCharset',
+ 'cleanImport',
+ 'cleanComment',
+ 'cleanWhitespace',
+ 'compressNumber',
+ 'cleanUnary',
+ 'compressColor',
+ 'compressDimension',
+ 'compressString',
+ 'compressFontWeight',
+ 'compressFont',
+ 'compressBackground',
+ 'freezeRulesets',
+ 'destroyDelims',
+ 'preTranslate',
+ 'markShorthands',
+ 'cleanShorthands',
+ 'restructureBlock',
+ 'rejoinRuleset',
+ 'restructureRuleset',
+ 'cleanEmpty',
+ 'delimSelectors',
+ 'delimBlocks'
+];
+
+CSSOCompressor.prototype.profile = {
+ 'cleanCharset': {
+ 'atrules': 1
+ },
+ 'cleanImport': {
+ 'atrules': 1
+ },
+ 'cleanWhitespace': {
+ 's': 1
+ },
+ 'compressNumber': {
+ 'number': 1
+ },
+ 'cleanUnary': {
+ 'unary': 1
+ },
+ 'compressColor': {
+ 'vhash': 1,
+ 'funktion': 1,
+ 'ident': 1
+ },
+ 'compressDimension': {
+ 'dimension': 1
+ },
+ 'compressString': {
+ 'string': 1
+ },
+ 'compressFontWeight': {
+ 'declaration': 1
+ },
+ 'compressFont': {
+ 'declaration': 1
+ },
+ 'compressBackground': {
+ 'declaration': 1
+ },
+ 'cleanComment': {
+ 'comment': 1
+ },
+ 'cleanDecldelim': {
+ 'block': 1
+ },
+ 'cleanEmpty': {
+ 'ruleset': 1,
+ 'atruleb': 1,
+ 'atruler': 1
+ },
+ 'destroyDelims': {
+ 'decldelim': 1,
+ 'delim': 1
+ },
+ 'preTranslate': {
+ 'declaration': 1,
+ 'property': 1,
+ 'simpleselector': 1,
+ 'filter': 1,
+ 'value': 1,
+ 'number': 1,
+ 'percentage': 1,
+ 'dimension': 1,
+ 'ident': 1
+ },
+ 'restructureBlock': {
+ 'block': 1
+ },
+ 'rejoinRuleset': {
+ 'ruleset': 1
+ },
+ 'restructureRuleset': {
+ 'ruleset': 1
+ },
+ 'delimSelectors': {
+ 'selector': 1
+ },
+ 'delimBlocks': {
+ 'block': 1
+ },
+ 'markShorthands': {
+ 'block': 1
+ },
+ 'cleanShorthands': {
+ 'declaration': 1
+ },
+ 'freezeRulesets': {
+ 'ruleset': 1
+ }
+};
+
+CSSOCompressor.prototype.isContainer = function(o) {
+ if (Array.isArray(o)) {
+ for (var i = 0; i < o.length; i++) if (Array.isArray(o[i])) return true;
+ }
+};
+
+CSSOCompressor.prototype.process = function(rules, token, container, i, path) {
+ var rule = token[1];
+ if (rule && rules[rule]) {
+ var r = rules[rule],
+ x1 = token, x2,
+ o = this.order, k;
+ for (var k = 0; k < r.length; k++) {
+ x2 = this[r[k]](x1, rule, container, i, path);
+ if (x2 === null) return null;
+ else if (x2 !== undefined) x1 = x2;
+ }
+ }
+ return x1;
+};
+
+CSSOCompressor.prototype.compress = function(tree, ro) {
+ tree = tree || ['stylesheet'];
+ this.init();
+ this.info = true;
+
+ var x = (typeof tree[0] !== 'string') ? tree : this.injectInfo([tree])[0],
+ l0, l1 = 100000000000, ls,
+ x0, x1, xs,
+ protectedComment = this.findProtectedComment(tree);
+
+ // compression without restructure
+ x = this.walk(this.ccrules, x, '/0');
+ x = this.walk(this.crules, x, '/0');
+ x = this.walk(this.prules, x, '/0');
+ x = this.walk(this.frrules, x, '/0');
+
+ ls = translator.translate(cleanInfo(x)).length;
+
+ if (!ro) { // restructure ON
+ xs = this.copyArray(x);
+ x = this.walk(this.rjrules, x, '/0');
+ this.disjoin(x);
+ x = this.walk(this.msrules, x, '/0');
+ x = this.walk(this.csrules, x, '/0');
+ x = this.walk(this.rbrules, x, '/0');
+ do {
+ l0 = l1;
+ x0 = this.copyArray(x);
+ x = this.walk(this.rjrules, x, '/0');
+ x = this.walk(this.rrrules, x, '/0');
+ l1 = translator.translate(cleanInfo(x)).length;
+ x1 = this.copyArray(x);
+ } while (l0 > l1);
+ if (ls < l0 && ls < l1) x = xs;
+ else if (l0 < l1) x = x0;
+ }
+
+ x = this.walk(this.frules, x, '/0');
+
+ if (protectedComment) x.splice(2, 0, protectedComment);
+
+ return x;
+};
+
+CSSOCompressor.prototype.findProtectedComment = function(tree) {
+ var token;
+ for (var i = 2; i < tree.length; i++) {
+ token = tree[i];
+ if (token[1] === 'comment' && token[2].length > 0 && token[2].charAt(0) === '!') return token;
+ if (token[1] !== 's') return;
+ }
+};
+
+CSSOCompressor.prototype.injectInfo = function(token) {
+ var t;
+ for (var i = token.length - 1; i > -1; i--) {
+ t = token[i];
+ if (t && Array.isArray(t)) {
+ if (this.isContainer(t)) t = this.injectInfo(t);
+ t.splice(0, 0, {});
+ }
+ }
+ return token;
+};
+
+CSSOCompressor.prototype.disjoin = function(container) {
+ var t, s, r, sr;
+
+ for (var i = container.length - 1; i > -1; i--) {
+ t = container[i];
+ if (t && Array.isArray(t)) {
+ if (t[1] === 'ruleset') {
+ t[0].shortGroupID = this.shortGroupID++;
+ s = t[2];
+ if (s.length > 3) {
+ sr = s.slice(0, 2);
+ for (var k = s.length - 1; k > 1; k--) {
+ r = this.copyArray(t);
+ r[2] = sr.concat([s[k]]);
+ r[2][0].s = s[k][0].s;
+ container.splice(i + 1, 0, r);
+ }
+ container.splice(i, 1);
+ }
+ }
+ }
+ if (this.isContainer(t)) this.disjoin(t);
+ }
+};
+
+CSSOCompressor.prototype.walk = function(rules, container, path) {
+ var t, x;
+ for (var i = container.length - 1; i > -1; i--) {
+ t = container[i];
+ if (t && Array.isArray(t)) {
+ t[0].parent = container;
+ if (this.isContainer(t)) t = this.walk(rules, t, path + '/' + i); // go inside
+ if (t === null) container.splice(i, 1);
+ else {
+ if (x = this.process(rules, t, container, i, path)) container[i] = x; // compressed not null
+ else if (x === null) container.splice(i, 1); // null is the mark to delete token
+ }
+ }
+ }
+ return container.length ? container : null;
+};
+
+CSSOCompressor.prototype.freezeRulesets = function(token, rule, container, i) {
+ var info = token[0],
+ selector = token[2];
+
+ info.freeze = this.freezeNeeded(selector);
+ info.freezeID = this.selectorSignature(selector);
+ info.pseudoID = this.composePseudoID(selector);
+ info.pseudoSignature = this.pseudoSelectorSignature(selector, this.allowedPClasses, true);
+ this.markSimplePseudo(selector);
+
+ return token;
+};
+
+CSSOCompressor.prototype.markSimplePseudo = function(selector) {
+ var ss, sg = {};
+
+ for (var i = 2; i < selector.length; i++) {
+ ss = selector[i];
+ ss[0].pseudo = this.containsPseudo(ss);
+ ss[0].sg = sg;
+ sg[ss[0].s] = 1;
+ }
+};
+
+CSSOCompressor.prototype.composePseudoID = function(selector) {
+ var a = [], ss;
+
+ for (var i = 2; i < selector.length; i++) {
+ ss = selector[i];
+ if (this.containsPseudo(ss)) {
+ a.push(ss[0].s);
+ }
+ }
+
+ a.sort();
+
+ return a.join(',');
+};
+
+CSSOCompressor.prototype.containsPseudo = function(sselector) {
+ for (var j = 2; j < sselector.length; j++) {
+ switch (sselector[j][1]) {
+ case 'pseudoc':
+ case 'pseudoe':
+ case 'nthselector':
+ if (!(sselector[j][2][2] in this.notFPClasses)) return true;
+ }
+ }
+};
+
+CSSOCompressor.prototype.selectorSignature = function(selector) {
+ var a = [];
+
+ for (var i = 2; i < selector.length; i++) {
+ a.push(translator.translate(cleanInfo(selector[i])));
+ }
+
+ a.sort();
+
+ return a.join(',');
+};
+
+CSSOCompressor.prototype.pseudoSelectorSignature = function(selector, exclude, dontAppendExcludeMark) {
+ var a = [], b = {}, ss, wasExclude = false;
+ exclude = exclude || {};
+
+ for (var i = 2; i < selector.length; i++) {
+ ss = selector[i];
+ for (var j = 2; j < ss.length; j++) {
+ switch (ss[j][1]) {
+ case 'pseudoc':
+ case 'pseudoe':
+ case 'nthselector':
+ if (!(ss[j][2][2] in exclude)) b[ss[j][2][2]] = 1;
+ else wasExclude = true;
+ break;
+ }
+ }
+ }
+
+ for (var k in b) a.push(k);
+
+ a.sort();
+
+ return a.join(',') + (dontAppendExcludeMark? '' : wasExclude);
+};
+
+CSSOCompressor.prototype.notFPClasses = {
+ 'link': 1,
+ 'visited': 1,
+ 'hover': 1,
+ 'active': 1,
+ 'first-letter': 1,
+ 'first-line': 1
+};
+
+CSSOCompressor.prototype.notFPElements = {
+ 'first-letter': 1,
+ 'first-line': 1
+};
+
+CSSOCompressor.prototype.freezeNeeded = function(selector) {
+ var ss;
+ for (var i = 2; i < selector.length; i++) {
+ ss = selector[i];
+ for (var j = 2; j < ss.length; j++) {
+ switch (ss[j][1]) {
+ case 'pseudoc':
+ if (!(ss[j][2][2] in this.notFPClasses)) return true;
+ break;
+ case 'pseudoe':
+ if (!(ss[j][2][2] in this.notFPElements)) return true;
+ break;
+ case 'nthselector':
+ return true;
+ break;
+ }
+ }
+ }
+ return false;
+};
+
+CSSOCompressor.prototype.cleanCharset = function(token, rule, container, i) {
+ if (token[2][2][2] === 'charset') {
+ for (i = i - 1; i > 1; i--) {
+ if (container[i][1] !== 's' && container[i][1] !== 'comment') return null;
+ }
+ }
+};
+
+CSSOCompressor.prototype.cleanImport = function(token, rule, container, i) {
+ var x;
+ for (i = i - 1; i > 1; i--) {
+ x = container[i][1];
+ if (x !== 's' && x !== 'comment') {
+ if (x === 'atrules') {
+ x = container[i][2][2][2];
+ if (x !== 'import' && x !== 'charset') return null;
+ } else return null;
+ }
+ }
+};
+
+CSSOCompressor.prototype.cleanComment = function(token, rule, container, i) {
+ var pr = ((container[1] === 'braces' && i === 4) ||
+ (container[1] !== 'braces' && i === 2)) ? null : container[i - 1][1],
+ nr = i === container.length - 1 ? null : container[i + 1][1];
+
+ if (nr !== null && pr !== null) {
+ if (this._cleanComment(nr) || this._cleanComment(pr)) return null;
+ } else return null;
+};
+
+CSSOCompressor.prototype._cleanComment = function(r) {
+ switch(r) {
+ case 's':
+ case 'operator':
+ case 'attrselector':
+ case 'block':
+ case 'decldelim':
+ case 'ruleset':
+ case 'declaration':
+ case 'atruleb':
+ case 'atrules':
+ case 'atruler':
+ case 'important':
+ case 'nth':
+ case 'combinator':
+ return true;
+ }
+};
+
+CSSOCompressor.prototype.nextToken = function(container, type, i, exactly) {
+ var t, r;
+ for (; i < container.length; i++) {
+ t = container[i];
+ if (Array.isArray(t)) {
+ r = t[1];
+ if (r === type) return t;
+ else if (exactly && r !== 's') return;
+ }
+ }
+};
+
+CSSOCompressor.prototype.cleanWhitespace = function(token, rule, container, i) {
+ var pr = ((container[1] === 'braces' && i === 4) ||
+ (container[1] !== 'braces' && i === 2)) ? null : container[i - 1][1],
+ nr = i === container.length - 1 ? null : container[i + 1][1];
+
+ if (nr === 'unknown') token[2] = '\n';
+ else {
+ if (!(container[1] === 'atrulerq' && !pr) && !this.issue16(container, i)) {
+ if (nr !== null && pr !== null) {
+ if (this._cleanWhitespace(nr, false) || this._cleanWhitespace(pr, true)) return null;
+ } else return null;
+ }
+
+ token[2] = ' ';
+ }
+
+ return token;
+};
+
+// See https://github.com/afelix/csso/issues/16
+CSSOCompressor.prototype.issue16 = function(container, i) {
+ return (i !== 2 && i !== container.length - 1 && container[i - 1][1] === 'uri');
+};
+
+CSSOCompressor.prototype._cleanWhitespace = function(r, left) {
+ switch(r) {
+ case 's':
+ case 'operator':
+ case 'attrselector':
+ case 'block':
+ case 'decldelim':
+ case 'ruleset':
+ case 'declaration':
+ case 'atruleb':
+ case 'atrules':
+ case 'atruler':
+ case 'important':
+ case 'nth':
+ case 'combinator':
+ return true;
+ }
+ if (left) {
+ switch(r) {
+ case 'funktion':
+ case 'braces':
+ case 'uri':
+ return true;
+ }
+ }
+};
+
+CSSOCompressor.prototype.cleanDecldelim = function(token) {
+ for (var i = token.length - 1; i > 1; i--) {
+ if (token[i][1] === 'decldelim' &&
+ token[i + 1][1] !== 'declaration') token.splice(i, 1);
+ }
+ if (token[2][1] === 'decldelim') token.splice(2, 1);
+ return token;
+};
+
+CSSOCompressor.prototype.compressNumber = function(token, rule, container, i) {
+ var x = token[2];
+
+ if (/^0*/.test(x)) x = x.replace(/^0+/, '');
+ if (/\.0*$/.test(x)) x = x.replace(/\.0*$/, '');
+ if (/\..*[1-9]+0+$/.test(x)) x = x.replace(/0+$/, '');
+ if (x === '.' || x === '') x = '0';
+
+ token[2] = x;
+ token[0].s = x;
+ return token;
+};
+
+CSSOCompressor.prototype.findDeclaration = function(token) {
+ var parent = token;
+ while ((parent = parent[0].parent) && parent[1] !== 'declaration');
+ return parent;
+};
+
+CSSOCompressor.prototype.cleanUnary = function(token, rule, container, i) {
+ var next = container[i + 1];
+ if (next && next[1] === 'number' && next[2] === '0') return null;
+ return token;
+};
+
+CSSOCompressor.prototype.compressColor = function(token, rule, container, i) {
+ switch(rule) {
+ case 'vhash':
+ return this.compressHashColor(token);
+ case 'funktion':
+ return this.compressFunctionColor(token);
+ case 'ident':
+ return this.compressIdentColor(token, rule, container, i);
+ }
+};
+
+CSSOCompressor.prototype.compressIdentColor = function(token, rule, container) {
+ var map = { 'yellow': 'ff0',
+ 'fuchsia': 'f0f',
+ 'white': 'fff',
+ 'black': '000',
+ 'blue': '00f',
+ 'aqua': '0ff' },
+ allow = { 'value': 1, 'functionBody': 1 },
+ _x = token[2].toLowerCase();
+
+ if (container[1] in allow && _x in map) return [{}, 'vhash', map[_x]];
+};
+
+CSSOCompressor.prototype.compressHashColor = function(token) {
+ return this._compressHashColor(token[2], token[0]);
+};
+
+CSSOCompressor.prototype._compressHashColor = function(x, info) {
+ var map = { 'f00': 'red',
+ 'c0c0c0': 'silver',
+ '808080': 'gray',
+ '800000': 'maroon',
+ '800080': 'purple',
+ '008000': 'green',
+ '808000': 'olive',
+ '000080': 'navy',
+ '008080': 'teal'},
+ _x = x;
+ x = x.toLowerCase();
+
+ if (x.length === 6 &&
+ x.charAt(0) === x.charAt(1) &&
+ x.charAt(2) === x.charAt(3) &&
+ x.charAt(4) === x.charAt(5)) x = x.charAt(0) + x.charAt(2) + x.charAt(4);
+
+ return map[x] ? [info, 'string', map[x]] : [info, 'vhash', (x.length < _x.length ? x : _x)];
+};
+
+CSSOCompressor.prototype.compressFunctionColor = function(token) {
+ var i, v = [], t, h = '', body;
+
+ if (token[2][2] === 'rgb') {
+ body = token[3];
+ for (i = 2; i < body.length; i++) {
+ t = body[i][1];
+ if (t === 'number') v.push(body[i]);
+ else if (t !== 'operator') { v = []; break }
+ }
+ if (v.length === 3) {
+ h += (t = Number(v[0][2]).toString(16)).length === 1 ? '0' + t : t;
+ h += (t = Number(v[1][2]).toString(16)).length === 1 ? '0' + t : t;
+ h += (t = Number(v[2][2]).toString(16)).length === 1 ? '0' + t : t;
+ if (h.length === 6) return this._compressHashColor(h, {});
+ }
+ }
+};
+
+CSSOCompressor.prototype.compressDimension = function(token) {
+ var declaration;
+ if (token[2][2] === '0') {
+ if (token[3][2] === 's' && (declaration = this.findDeclaration(token))) {
+ var declName = declaration[2][2][2];
+ if (declName === '-moz-transition') return; // https://github.com/css/csso/issues/82
+ if (declName === '-moz-animation' || declName === 'animation') return; // https://github.com/css/csso/issues/100
+ }
+ return token[2];
+ }
+};
+
+CSSOCompressor.prototype.compressString = function(token, rule, container) {
+ var s = token[2], r = '', c;
+ for (var i = 0; i < s.length; i++) {
+ c = s.charAt(i);
+ if (c === '\\' && s.charAt(i + 1) === '\n') i++;
+ else r += c;
+ }
+// if (container[1] === 'attrib' && /^('|")[a-zA-Z0-9]*('|")$/.test(r)) {
+// r = r.substring(1, r.length - 1);
+// }
+ if (s.length !== r.length) return [{}, 'string', r];
+};
+
+CSSOCompressor.prototype.compressFontWeight = function(token) {
+ var p = token[2],
+ v = token[3];
+ if (p[2][2].indexOf('font-weight') !== -1 && v[2][1] === 'ident') {
+ if (v[2][2] === 'normal') v[2] = [{}, 'number', '400'];
+ else if (v[2][2] === 'bold') v[2] = [{}, 'number', '700'];
+ return token;
+ }
+};
+
+CSSOCompressor.prototype.compressFont = function(token) {
+ var p = token[2],
+ v = token[3],
+ i, x, t;
+ if (/font$/.test(p[2][2]) && v.length) {
+ v.splice(2, 0, [{}, 's', '']);
+ for (i = v.length - 1; i > 2; i--) {
+ x = v[i];
+ if (x[1] === 'ident') {
+ x = x[2];
+ if (x === 'bold') v[i] = [{}, 'number', '700'];
+ else if (x === 'normal') {
+ t = v[i - 1];
+ if (t[1] === 'operator' && t[2] === '/') v.splice(--i, 2);
+ else v.splice(i, 1);
+ if (v[i - 1][1] === 's') v.splice(--i, 1);
+ }
+ else if (x === 'medium' && v[i + 1] && v[i + 1][2] !== '/') {
+ v.splice(i, 1);
+ if (v[i - 1][1] === 's') v.splice(--i, 1);
+ }
+ }
+ }
+ if (v.length > 2 && v[2][1] === 's') v.splice(2, 1);
+ if (v.length === 2) v.push([{}, 'ident', 'normal']);
+ return token;
+ }
+};
+
+CSSOCompressor.prototype.compressBackground = function(token) {
+ var p = token[2],
+ v = token[3],
+ i, x, t,
+ n = v[v.length - 1][1] === 'important' ? 3 : 2;
+ if (/background$/.test(p[2][2]) && v.length) {
+ v.splice(2, 0, [{}, 's', '']);
+ for (i = v.length - 1; i > n; i--) {
+ x = v[i];
+ if (x[1] === 'ident') {
+ x = x[2];
+ if (x === 'transparent' || x === 'none' || x === 'repeat' || x === 'scroll') {
+ v.splice(i, 1);
+ if (v[i - 1][1] === 's') v.splice(--i, 1);
+ }
+ }
+ }
+ if (v.length > 2 && v[2][1] === 's') v.splice(2, 1);
+ if (v.length === 2) v.splice(2, 0, [{}, 'number', '0'], [{}, 's', ' '], [{}, 'number', '0']);
+ return token;
+ }
+};
+
+CSSOCompressor.prototype.cleanEmpty = function(token, rule) {
+ switch(rule) {
+ case 'ruleset':
+ if (token[3].length === 2) return null;
+ break;
+ case 'atruleb':
+ if (token[token.length - 1].length < 3) return null;
+ break;
+ case 'atruler':
+ if (token[4].length < 3) return null;
+ break;
+ }
+};
+
+CSSOCompressor.prototype.destroyDelims = function() {
+ return null;
+};
+
+CSSOCompressor.prototype.preTranslate = function(token) {
+ token[0].s = translator.translate(cleanInfo(token));
+ return token;
+};
+
+CSSOCompressor.prototype.markShorthands = function(token, rule, container, j, path) {
+ if (container[1] === 'ruleset') {
+ var selector = container[2][2][0].s,
+ freeze = container[0].freeze,
+ freezeID = container[0].freezeID;
+ } else {
+ var selector = '',
+ freeze = false,
+ freezeID = 'fake';
+ }
+ var x, p, v, imp, s, key, sh,
+ pre = this.pathUp(path) + '/' + (freeze ? '&' + freezeID + '&' : '') + selector + '/',
+ createNew, shortsI, shortGroupID = container[0].shortGroupID;
+
+ for (var i = token.length - 1; i > -1; i--) {
+ createNew = true;
+ x = token[i];
+ if (x[1] === 'declaration') {
+ v = x[3];
+ imp = v[v.length - 1][1] === 'important';
+ p = x[2][0].s;
+ x[0].id = path + '/' + i;
+ if (p in TRBL.props) {
+ key = pre + TRBL.extractMain(p);
+ var shorts = this.shorts2[key] || [];
+ shortsI = shorts.length === 0 ? 0 : shorts.length - 1;
+
+ if (!this.lastShortSelector || selector === this.lastShortSelector || shortGroupID === this.lastShortGroupID) {
+ if (shorts.length) {
+ sh = shorts[shortsI];
+ //if (imp && !sh.imp) sh.invalid = true;
+ createNew = false;
+ }
+ }
+
+ if (createNew) {
+ x[0].replaceByShort = true;
+ x[0].shorthandKey = { key: key, i: shortsI };
+ sh = new TRBL(p, imp);
+ shorts.push(sh);
+ }
+
+ if (!sh.invalid) {
+ x[0].removeByShort = true;
+ x[0].shorthandKey = { key: key, i: shortsI };
+ sh.add(p, v[0].s, v.slice(2), imp);
+ }
+
+ this.shorts2[key] = shorts;
+
+ this.lastShortSelector = selector;
+ this.lastShortGroupID = shortGroupID;
+ }
+ }
+ }
+
+
+ return token;
+};
+
+CSSOCompressor.prototype.cleanShorthands = function(token) {
+ if (token[0].removeByShort || token[0].replaceByShort) {
+ var s, t, sKey = token[0].shorthandKey;
+
+ s = this.shorts2[sKey.key][sKey.i];
+
+ if (!s.invalid && s.isOkToMinimize()) {
+ if (token[0].replaceByShort) {
+ t = [{}, 'declaration', s.getProperty(), s.getValue()];
+ t[0].s = translator.translate(cleanInfo(t));
+ return t;
+ } else return null;
+ }
+ }
+};
+
+CSSOCompressor.prototype.dontRestructure = {
+ 'src': 1, // https://github.com/afelix/csso/issues/50
+ 'clip': 1, // https://github.com/afelix/csso/issues/57
+ 'display': 1 // https://github.com/afelix/csso/issues/71
+};
+
+CSSOCompressor.prototype.restructureBlock = function(token, rule, container, j, path) {
+ if (container[1] === 'ruleset') {
+ var props = this.props,
+ isPseudo = container[2][2][0].pseudo,
+ selector = container[2][2][0].s,
+ freeze = container[0].freeze,
+ freezeID = container[0].freezeID,
+ pseudoID = container[0].pseudoID,
+ sg = container[2][2][0].sg;
+ } else {
+ var props = {},
+ isPseudo = false,
+ selector = '',
+ freeze = false,
+ freezeID = 'fake',
+ pseudoID = 'fake',
+ sg = {};
+ }
+
+ var x, p, v, imp, t,
+ pre = this.pathUp(path) + '/' + selector + '/',
+ ppre;
+ for (var i = token.length - 1; i > -1; i--) {
+ x = token[i];
+ if (x[1] === 'declaration') {
+ v = x[3];
+ imp = v[v.length - 1][1] === 'important';
+ p = x[2][0].s;
+ ppre = this.buildPPre(pre, p, v, x, freeze);
+ x[0].id = path + '/' + i;
+ if (!this.dontRestructure[p] && (t = props[ppre])) {
+ if ((isPseudo && freezeID === t.freezeID) || // pseudo from equal selectors group
+ (!isPseudo && pseudoID === t.pseudoID) || // not pseudo from equal pseudo signature group
+ (isPseudo && pseudoID === t.pseudoID && this.hashInHash(sg, t.sg))) { // pseudo from covered selectors group
+ if (imp && !t.imp) {
+ props[ppre] = { block: token, imp: imp, id: x[0].id, sg: sg,
+ freeze: freeze, path: path, freezeID: freezeID, pseudoID: pseudoID };
+ this.deleteProperty(t.block, t.id);
+ } else {
+ token.splice(i, 1);
+ }
+ }
+ } else if (this.needless(p, props, pre, imp, v, x, freeze)) {
+ token.splice(i, 1);
+ } else {
+ props[ppre] = { block: token, imp: imp, id: x[0].id, sg: sg,
+ freeze: freeze, path: path, freezeID: freezeID, pseudoID: pseudoID };
+ }
+ }
+ }
+ return token;
+};
+
+CSSOCompressor.prototype.buildPPre = function(pre, p, v, d, freeze) {
+ var fp = freeze ? 'ft:' : 'ff:';
+ if (p.indexOf('background') !== -1) return fp + pre + d[0].s;
+
+ var _v = v.slice(2),
+ colorMark = [
+ 0, // ident, vhash, rgb
+ 0, // hsl
+ 0, // hsla
+ 0 // rgba
+ ],
+ vID = '';
+
+ for (var i = 0; i < _v.length; i++) {
+ if (!vID) vID = this.getVendorIDFromToken(_v[i]);
+ switch(_v[i][1]) {
+ case 'vhash':
+ case 'ident':
+ colorMark[0] = 1; break;
+ case 'funktion':
+ switch(_v[i][2][2]) {
+ case 'rgb':
+ colorMark[0] = 1; break;
+ case 'hsl':
+ colorMark[1] = 1; break;
+ case 'hsla':
+ colorMark[2] = 1; break;
+ case 'rgba':
+ colorMark[3] = 1; break;
+ }
+ break;
+ }
+ }
+
+ return fp + pre + p + colorMark.join('') + (vID ? vID : '');
+};
+
+CSSOCompressor.prototype.vendorID = {
+ '-o-': 'o',
+ '-moz-': 'm',
+ '-webkit-': 'w',
+ '-ms-': 'i',
+ '-epub-': 'e',
+ '-apple-': 'a',
+ '-xv-': 'x',
+ '-wap-': 'p'
+};
+
+CSSOCompressor.prototype.getVendorIDFromToken = function(token) {
+ var vID;
+ switch(token[1]) {
+ case 'ident':
+ if (vID = this.getVendorFromString(token[2])) return this.vendorID[vID];
+ break;
+ case 'funktion':
+ if (vID = this.getVendorFromString(token[2][2])) return this.vendorID[vID];
+ break;
+ }
+};
+
+CSSOCompressor.prototype.getVendorFromString = function(string) {
+ var vendor = string.charAt(0), i;
+ if (vendor === '-') {
+ if ((i = string.indexOf('-', 2)) !== -1) return string.substr(0, i + 1);
+ }
+ return '';
+};
+
+CSSOCompressor.prototype.deleteProperty = function(block, id) {
+ var d;
+ for (var i = block.length - 1; i > 1; i--) {
+ d = block[i];
+ if (Array.isArray(d) && d[1] === 'declaration' && d[0].id === id) {
+ block.splice(i, 1);
+ return;
+ }
+ }
+};
+
+CSSOCompressor.prototype.nlTable = {
+ 'border-width': ['border'],
+ 'border-style': ['border'],
+ 'border-color': ['border'],
+ 'border-top': ['border'],
+ 'border-right': ['border'],
+ 'border-bottom': ['border'],
+ 'border-left': ['border'],
+ 'border-top-width': ['border-top', 'border-width', 'border'],
+ 'border-right-width': ['border-right', 'border-width', 'border'],
+ 'border-bottom-width': ['border-bottom', 'border-width', 'border'],
+ 'border-left-width': ['border-left', 'border-width', 'border'],
+ 'border-top-style': ['border-top', 'border-style', 'border'],
+ 'border-right-style': ['border-right', 'border-style', 'border'],
+ 'border-bottom-style': ['border-bottom', 'border-style', 'border'],
+ 'border-left-style': ['border-left', 'border-style', 'border'],
+ 'border-top-color': ['border-top', 'border-color', 'border'],
+ 'border-right-color': ['border-right', 'border-color', 'border'],
+ 'border-bottom-color': ['border-bottom', 'border-color', 'border'],
+ 'border-left-color': ['border-left', 'border-color', 'border'],
+ 'margin-top': ['margin'],
+ 'margin-right': ['margin'],
+ 'margin-bottom': ['margin'],
+ 'margin-left': ['margin'],
+ 'padding-top': ['padding'],
+ 'padding-right': ['padding'],
+ 'padding-bottom': ['padding'],
+ 'padding-left': ['padding'],
+ 'font-style': ['font'],
+ 'font-variant': ['font'],
+ 'font-weight': ['font'],
+ 'font-size': ['font'],
+ 'font-family': ['font'],
+ 'list-style-type': ['list-style'],
+ 'list-style-position': ['list-style'],
+ 'list-style-image': ['list-style']
+};
+
+CSSOCompressor.prototype.needless = function(name, props, pre, imp, v, d, freeze) {
+ var hack = name.charAt(0);
+ if (hack === '*' || hack === '_' || hack === '$') name = name.substr(1);
+ else if (hack === '/' && name.charAt(1) === '/') {
+ hack = '//';
+ name = name.substr(2);
+ } else hack = '';
+
+ var vendor = this.getVendorFromString(name),
+ prop = name.substr(vendor.length),
+ x, t, ppre;
+
+ if (prop in this.nlTable) {
+ x = this.nlTable[prop];
+ for (var i = 0; i < x.length; i++) {
+ ppre = this.buildPPre(pre, hack + vendor + x[i], v, d, freeze);
+ if (t = props[ppre]) return (!imp || t.imp);
+ }
+ }
+};
+
+CSSOCompressor.prototype.rejoinRuleset = function(token, rule, container, i) {
+ var p = (i === 2 || container[i - 1][1] === 'unknown') ? null : container[i - 1],
+ ps = p ? p[2].slice(2) : [],
+ pb = p ? p[3].slice(2) : [],
+ ts = token[2].slice(2),
+ tb = token[3].slice(2),
+ ph, th, r;
+
+ if (!tb.length) return null;
+
+ if (ps.length && pb.length && token[0].pseudoSignature == p[0].pseudoSignature) {
+ if (token[1] !== p[1]) return;
+ // try to join by selectors
+ ph = this.getHash(ps);
+ th = this.getHash(ts);
+
+ if (this.equalHash(th, ph)) {
+ p[3] = p[3].concat(token[3].splice(2));
+ return null;
+ }
+ if (this.okToJoinByProperties(token, p)) {
+ // try to join by properties
+ r = this.analyze(token, p);
+ if (!r.ne1.length && !r.ne2.length) {
+ p[2] = this.cleanSelector(p[2].concat(token[2].splice(2)));
+ p[2][0].s = translator.translate(cleanInfo(p[2]));
+ return null;
+ }
+ }
+ }
+};
+
+CSSOCompressor.prototype.okToJoinByProperties = function(r0, r1) {
+ var i0 = r0[0], i1 = r1[0];
+
+ // same frozen ruleset
+ if (i0.freezeID === i1.freezeID) return true;
+
+ // same pseudo-classes in selectors
+ if (i0.pseudoID === i1.pseudoID) return true;
+
+ // different frozen rulesets
+ if (i0.freeze && i1.freeze) {
+ return this.pseudoSelectorSignature(r0[2], this.allowedPClasses) === this.pseudoSelectorSignature(r1[2], this.allowedPClasses);
+ }
+
+ // is it frozen at all?
+ return !(i0.freeze || i1.freeze);
+};
+
+CSSOCompressor.prototype.allowedPClasses = {
+ 'after': 1,
+ 'before': 1
+};
+
+CSSOCompressor.prototype.containsOnlyAllowedPClasses = function(selector) {
+ var ss;
+ for (var i = 2; i < selector.length; i++) {
+ ss = selector[i];
+ for (var j = 2; j < ss.length; j++) {
+ if (ss[j][1] == 'pseudoc' || ss[j][1] == 'pseudoe') {
+ if (!(ss[j][2][2] in this.allowedPClasses)) return false;
+ }
+ }
+ }
+ return true;
+};
+
+CSSOCompressor.prototype.restructureRuleset = function(token, rule, container, i) {
+ var p = (i === 2 || container[i - 1][1] === 'unknown') ? null : container[i - 1],
+ ps = p ? p[2].slice(2) : [],
+ pb = p ? p[3].slice(2) : [],
+ tb = token[3].slice(2),
+ r, nr;
+
+ if (!tb.length) return null;
+
+ if (ps.length && pb.length && token[0].pseudoSignature == p[0].pseudoSignature) {
+ if (token[1] !== p[1]) return;
+ // try to join by properties
+ r = this.analyze(token, p);
+
+ if (r.eq.length && (r.ne1.length || r.ne2.length)) {
+ if (r.ne1.length && !r.ne2.length) { // p in token
+ var ns = token[2].slice(2), // TODO: copypaste
+ nss = translator.translate(cleanInfo(token[2])),
+ sl = nss.length + // selector length
+ ns.length - 1, // delims length
+ bl = this.calcLength(r.eq) + // declarations length
+ r.eq.length - 1; // decldelims length
+ if (sl < bl) {
+ p[2] = this.cleanSelector(p[2].concat(token[2].slice(2)));
+ token[3].splice(2);
+ token[3] = token[3].concat(r.ne1);
+ return token;
+ }
+ } else if (r.ne2.length && !r.ne1.length) { // token in p
+ var ns = p[2].slice(2),
+ nss = translator.translate(cleanInfo(p[2])),
+ sl = nss.length + // selector length
+ ns.length - 1, // delims length
+ bl = this.calcLength(r.eq) + // declarations length
+ r.eq.length - 1; // decldelims length
+ if (sl < bl) {
+ token[2] = this.cleanSelector(p[2].concat(token[2].slice(2)));
+ p[3].splice(2);
+ p[3] = p[3].concat(r.ne2);
+ return token;
+ }
+ } else { // extract equal block?
+ var ns = this.cleanSelector(p[2].concat(token[2].slice(2))),
+ nss = translator.translate(cleanInfo(ns)),
+ rl = nss.length + // selector length
+ ns.length - 1 + // delims length
+ 2, // braces length
+ bl = this.calcLength(r.eq) + // declarations length
+ r.eq.length - 1; // decldelims length
+
+ if (bl >= rl) { // ok, it's good enough to extract
+ ns[0].s = nss;
+ nr = [{f:0, l:0}, 'ruleset', ns, [{f:0,l:0}, 'block'].concat(r.eq)];
+ token[3].splice(2);
+ token[3] = token[3].concat(r.ne1);
+ p[3].splice(2);
+ p[3] = p[3].concat(r.ne2);
+ container.splice(i, 0, nr);
+ return nr;
+ }
+ }
+ }
+ }
+};
+
+CSSOCompressor.prototype.calcLength = function(tokens) {
+ var r = 0;
+ for (var i = 0; i < tokens.length; i++) r += tokens[i][0].s.length;
+ return r;
+};
+
+CSSOCompressor.prototype.cleanSelector = function(token) {
+ if (token.length === 2) return null;
+ var h = {}, s;
+ for (var i = 2; i < token.length; i++) {
+ s = token[i][0].s;
+ if (s in h) token.splice(i, 1), i--;
+ else h[s] = 1;
+ }
+
+ return token;
+};
+
+CSSOCompressor.prototype.analyze = function(r1, r2) {
+ var r = { eq: [], ne1: [], ne2: [] };
+
+ if (r1[1] !== r2[1]) return r;
+
+ var b1 = r1[3], b2 = r2[3],
+ d1 = b1.slice(2), d2 = b2.slice(2),
+ h1, h2, i, x;
+
+ h1 = this.getHash(d1);
+ h2 = this.getHash(d2);
+
+ for (i = 0; i < d1.length; i++) {
+ x = d1[i];
+ if (x[0].s in h2) r.eq.push(x);
+ else r.ne1.push(x);
+ }
+
+ for (i = 0; i < d2.length; i++) {
+ x = d2[i];
+ if (!(x[0].s in h1)) r.ne2.push(x);
+ }
+
+ return r;
+};
+
+CSSOCompressor.prototype.equalHash = function(h0, h1) {
+ var k;
+ for (k in h0) if (!(k in h1)) return false;
+ for (k in h1) if (!(k in h0)) return false;
+ return true;
+};
+
+CSSOCompressor.prototype.getHash = function(tokens) {
+ var r = {};
+ for (var i = 0; i < tokens.length; i++) r[tokens[i][0].s] = 1;
+ return r;
+};
+
+CSSOCompressor.prototype.hashInHash = function(h0, h1) {
+ for (var k in h0) if (!(k in h1)) return false;
+ return true;
+};
+
+CSSOCompressor.prototype.delimSelectors = function(token) {
+ for (var i = token.length - 1; i > 2; i--) {
+ token.splice(i, 0, [{}, 'delim']);
+ }
+};
+
+CSSOCompressor.prototype.delimBlocks = function(token) {
+ for (var i = token.length - 1; i > 2; i--) {
+ token.splice(i, 0, [{}, 'decldelim']);
+ }
+};
+
+CSSOCompressor.prototype.copyArray = function(a) {
+ var r = [], t;
+
+ for (var i = 0; i < a.length; i++) {
+ t = a[i];
+ if (Array.isArray(t)) r.push(this.copyArray(t));
+ else if (typeof t === 'object') r.push(this.copyObject(t));
+ else r.push(t);
+ }
+
+ return r;
+};
+
+CSSOCompressor.prototype.copyObject = function(o) {
+ var r = {};
+ for (var k in o) r[k] = o[k];
+ return r;
+};
+
+CSSOCompressor.prototype.pathUp = function(path) {
+ return path.substr(0, path.lastIndexOf('/'));
+};
+function CSSOTranslator() {}
+
+CSSOTranslator.prototype.translate = function(tree) {
+// console.trace('--------');
+// console.log(tree);
+ return this._t(tree);
+};
+
+CSSOTranslator.prototype._m_simple = {
+ 'unary': 1, 'nth': 1, 'combinator': 1, 'ident': 1, 'number': 1, 's': 1,
+ 'string': 1, 'attrselector': 1, 'operator': 1, 'raw': 1, 'unknown': 1
+};
+
+CSSOTranslator.prototype._m_composite = {
+ 'simpleselector': 1, 'dimension': 1, 'selector': 1, 'property': 1, 'value': 1,
+ 'filterv': 1, 'progid': 1, 'ruleset': 1, 'atruleb': 1, 'atrulerq': 1, 'atrulers': 1,
+ 'stylesheet': 1
+};
+
+CSSOTranslator.prototype._m_primitive = {
+ 'cdo': 'cdo', 'cdc': 'cdc', 'decldelim': ';', 'namespace': '|', 'delim': ','
+};
+
+CSSOTranslator.prototype._t = function(tree) {
+ var t = tree[0];
+ if (t in this._m_primitive) return this._m_primitive[t];
+ else if (t in this._m_simple) return this._simple(tree);
+ else if (t in this._m_composite) return this._composite(tree);
+ return this[t](tree);
+};
+
+CSSOTranslator.prototype._composite = function(t, i) {
+ var s = '';
+ i = i === undefined ? 1 : i;
+ for (; i < t.length; i++) s += this._t(t[i]);
+ return s;
+};
+
+CSSOTranslator.prototype._simple = function(t) {
+ return t[1];
+};
+
+CSSOTranslator.prototype.percentage = function(t) {
+ return this._t(t[1]) + '%';
+};
+
+CSSOTranslator.prototype.comment = function(t) {
+ return '/*' + t[1] + '*/';
+};
+
+CSSOTranslator.prototype.clazz = function(t) {
+ return '.' + this._t(t[1]);
+};
+
+CSSOTranslator.prototype.atkeyword = function(t) {
+ return '@' + this._t(t[1]);
+};
+
+CSSOTranslator.prototype.shash = function(t) {
+ return '#' + t[1];
+};
+
+CSSOTranslator.prototype.vhash = function(t) {
+ return '#' + t[1];
+};
+
+CSSOTranslator.prototype.attrib = function(t) {
+ return '[' + this._composite(t) + ']';
+};
+
+CSSOTranslator.prototype.important = function(t) {
+ return '!' + this._composite(t) + 'important';
+};
+
+CSSOTranslator.prototype.nthselector = function(t) {
+ return ':' + this._simple(t[1]) + '(' + this._composite(t, 2) + ')';
+};
+
+CSSOTranslator.prototype.funktion = function(t) {
+ return this._simple(t[1]) + '(' + this._composite(t[2]) + ')';
+};
+
+CSSOTranslator.prototype.declaration = function(t) {
+ return this._t(t[1]) + ':' + this._t(t[2]);
+};
+
+CSSOTranslator.prototype.filter = function(t) {
+ return this._t(t[1]) + ':' + this._t(t[2]);
+};
+
+CSSOTranslator.prototype.block = function(t) {
+ return '{' + this._composite(t) + '}';
+};
+
+CSSOTranslator.prototype.braces = function(t) {
+ return t[1] + this._composite(t, 3) + t[2];
+};
+
+CSSOTranslator.prototype.atrules = function(t) {
+ return this._composite(t) + ';';
+};
+
+CSSOTranslator.prototype.atruler = function(t) {
+ return this._t(t[1]) + this._t(t[2]) + '{' + this._t(t[3]) + '}';
+};
+
+CSSOTranslator.prototype.pseudoe = function(t) {
+ return '::' + this._t(t[1]);
+};
+
+CSSOTranslator.prototype.pseudoc = function(t) {
+ return ':' + this._t(t[1]);
+};
+
+CSSOTranslator.prototype.uri = function(t) {
+ return 'url(' + this._composite(t) + ')';
+};
+
+CSSOTranslator.prototype.functionExpression = function(t) {
+ return 'expression(' + t[1] + ')';
+};
diff --git a/dist/htmlminifier.js b/dist/htmlminifier.js
index 8a77776..6196dfa 100644
--- a/dist/htmlminifier.js
+++ b/dist/htmlminifier.js
@@ -737,6 +737,27 @@
}
}
+ function minifyCSS(text) {
+ try {
+ var csso;
+
+ if (typeof require === 'function' && (csso = require('csso'))) {
+ return csso.justDoIt(text);
+ }
+ else if (typeof CSSOCompressor !== 'undefined' &&
+ typeof CSSOTranslator !== 'undefined') {
+
+ var compressor = new CSSOCompressor(),
+ translator = new CSSOTranslator();
+
+ return translator.translate(cleanInfo(compressor.compress(srcToCSSP(text, 'stylesheet', true))));
+ }
+ }
+ catch (err) { }
+
+ return text;
+ }
+
function minify(value, options) {
options = options || {};
@@ -830,9 +851,12 @@
if (options.removeCDATASectionsFromCDATA) {
text = removeCDATASections(text);
}
- if (options.minifyJS) {
- text = minifyJS(text);
- }
+ }
+ if (currentTag === 'script' && options.minifyJS) {
+ text = minifyJS(text);
+ }
+ if (currentTag === 'style' && options.minifyCSS) {
+ text = minifyCSS(text);
}
if (options.collapseWhitespace) {
if (!stackNoTrimWhitespace.length) {
diff --git a/dist/htmlminifier.min.js b/dist/htmlminifier.min.js
index 3860470..67d2d95 100644
--- a/dist/htmlminifier.min.js
+++ b/dist/htmlminifier.min.js
@@ -3,4 +3,4 @@
* Copyright 2010-2014 Juriy "kangax" Zaytsev
* Licensed under MIT (https://github.com/kangax/html-minifier/blob/gh-pages/LICENSE)
*/
-!function(a){"use strict";function b(a){for(var b={},c=a.split(","),d=0;d\s]+))?)*)\s*(\/?)>/,g=/^<\/([\w:-]+)[^>]*>/,h=/\/>$/,i=/([\w:-]+)(?:\s*=\s*(?:(?:"((?:\\.|[^"])*)")|(?:'((?:\\.|[^'])*)')|([^>\s]+)))?/g,j=/^]+>/i,k=/<(%|\?)/,l=/(%|\?)>/,m=b("area,base,basefont,br,col,frame,hr,img,input,isindex,link,meta,param,embed"),n=b("a,abbr,acronym,applet,b,basefont,bdo,big,br,button,cite,code,del,dfn,em,font,i,iframe,img,input,ins,kbd,label,map,object,q,s,samp,script,select,small,span,strike,strong,sub,sup,textarea,tt,u,var"),o=b("colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source"),p=b("checked,compact,declare,defer,disabled,ismap,multiple,nohref,noresize,noshade,nowrap,readonly,selected"),q=b("script,style"),r={},s=a.HTMLParser=function(a,b){function s(a,c,d,e){for(var f=!1;!b.html5&&z.last()&&n[z.last()];)t("",z.last());if(o[c]&&z.last()===c&&t("",c),e=m[c]||!!e,e?f=a.match(h):z.push(c),b.start){var g=[];d.replace(i,function(a,b){var c=arguments[2]?arguments[2]:arguments[3]?arguments[3]:arguments[4]?arguments[4]:p[b]?b:"";g.push({name:b,value:c,escaped:c.replace(/(^|[^\\])"/g,"$1"")})}),b.start&&b.start(c,g,e,f)}}function t(a,c){var d;if(c)for(d=z.length-1;d>=0&&z[d]!==c;d--);else d=0;if(d>=0){for(var e=z.length-1;e>=d;e--)b.end&&b.end(z[e]);z.length=d}}var u,v,w,x,y,z=[],A=a;for(z.last=function(){return this[this.length-1]};a;){if(v=!0,z.last()&&q[z.last()])c=z.last().toLowerCase(),d=r[c]||(r[c]=new RegExp("([\\s\\S]*?)"+c+"[^>]*>","i")),a=a.replace(d,function(a,d){return"script"!==c&&"style"!==c&&(d=d.replace(//g,"$1").replace(//g,"$1")),b.chars&&b.chars(d),""}),t("",c);else if(0===a.indexOf(""),u>=0&&(b.comment&&b.comment(a.substring(4,u)),a=a.substring(u+3),v=!1)):0===a.search(k)?(u=a.search(l),u>=0&&(b.ignore&&b.ignore(a.substring(0,u+2)),a=a.substring(u+2),v=!1)):(w=j.exec(a))?(b.doctype&&b.doctype(w[0]),a=a.substring(w[0].length),v=!1):0===a.indexOf("")?(w=a.match(g),w&&(a=a.substring(w[0].length),w[0].replace(g,t),x="/"+w[1],v=!1)):0===a.indexOf("<")&&(w=a.match(f),w&&(a=a.substring(w[0].length),w[0].replace(f,s),x=w[1],v=!1)),v){u=a.indexOf("<");var B=0>u?a:a.substring(0,u);a=0>u?"":a.substring(u),e=a.match(f),e?y=e[1]:(e=a.match(g),y=e?"/"+e[1]:""),b.chars&&b.chars(B,x,y)}if(a===A)throw"Parse Error: "+a;A=a}t()};a.HTMLtoXML=function(a){var b="";return new s(a,{start:function(a,c,d){b+="<"+a;for(var e=0;e"},end:function(a){b+=""+a+">"},chars:function(a){b+=a},comment:function(a){b+=""},ignore:function(a){b+=a}}),b},a.HTMLtoDOM=function(a,c){var d=b("html,head,body,title"),e={link:"head",base:"head"};c?c=c.ownerDocument||c.getOwnerDocument&&c.getOwnerDocument()||c:"undefined"!=typeof DOMDocument?c=new DOMDocument:"undefined"!=typeof document&&document.implementation&&document.implementation.createDocument?c=document.implementation.createDocument("","",null):"undefined"!=typeof ActiveX&&(c=new ActiveXObject("Msxml.DOMDocument"));var f=[],g=c.documentElement||c.getDocumentElement&&c.getDocumentElement();if(!g&&c.createElement&&!function(){var a=c.createElement("html"),b=c.createElement("head");b.appendChild(c.createElement("title")),a.appendChild(b),a.appendChild(c.createElement("body")),c.appendChild(a)}(),c.getElementsByTagName)for(var h in d)d[h]=c.getElementsByTagName(h)[0];var i=d.body;return new s(a,{start:function(a,b,g){if(d[a])return void(i=d[a]);var h=c.createElement(a);for(var j in b)h.setAttribute(b[j].name,b[j].value);e[a]&&"boolean"!=typeof d[e[a]]?d[e[a]].appendChild(h):i&&i.appendChild&&i.appendChild(h),g||(f.push(h),i=h)},end:function(){f.length-=1,i=f[f.length-1]},chars:function(a){i.appendChild(c.createTextNode(a))},comment:function(){},ignore:function(){}}),c}}("undefined"==typeof exports?this:exports),function(a){"use strict";function b(a){return a.replace(/\s+/g," ")}function c(a,b,c){var d=["a","abbr","acronym","b","bdi","bdo","big","button","cite","code","del","dfn","em","font","i","ins","kbd","mark","q","rt","rp","s","samp","small","span","strike","strong","sub","sup","time","tt","u","var"];return b&&"img"!==b&&("/"!==b.substr(0,1)||"/"===b.substr(0,1)&&-1===d.indexOf(b.substr(1)))&&(a=a.replace(/^\s+/,"")),c&&"img"!==c&&("/"===c.substr(0,1)||"/"!==c.substr(0,1)&&-1===d.indexOf(c))&&(a=a.replace(/\s+$/,"")),b&&c?a.replace(/[\t\n\r]+/g," ").replace(/[ ]+/g," "):a}function d(a){return/\[if[^\]]+\]/.test(a)||/\s*(]+$/.test(a)&&!/\/$/.test(a)&&!/\/$/.test(a)}function h(a,b){for(var 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m(a,b){return/^(?:a|area|link|base)$/.test(b)&&"href"===a||"img"===b&&/^(?:src|longdesc|usemap)$/.test(a)||"object"===b&&/^(?:classid|codebase|data|usemap)$/.test(a)||"q"===b&&"cite"===a||"blockquote"===b&&"cite"===a||("ins"===b||"del"===b)&&"cite"===a||"form"===b&&"action"===a||"input"===b&&("src"===a||"usemap"===a)||"head"===b&&"profile"===a||"script"===b&&("src"===a||"for"===a)}function n(a,b){return/^(?:a|area|object|button)$/.test(b)&&"tabindex"===a||"input"===b&&("maxlength"===a||"tabindex"===a)||"select"===b&&("size"===a||"tabindex"===a)||"textarea"===b&&/^(?:rows|cols|tabindex)$/.test(a)||"colgroup"===b&&"span"===a||"col"===b&&"span"===a||("th"===b||"td"===b)&&("rowspan"===a||"colspan"===a)}function o(a,c,d){return f(c)?D(d).replace(/^javascript:\s*/i,"").replace(/\s*;$/,""):"class"===c?b(D(d)):m(c,a)||n(c,a)?D(d):"style"===c?D(d).replace(/\s*;\s*$/,""):d}function p(a){return a.replace(/^(\[[^\]]+\]>)\s*/,"$1").replace(/\s*(\s*\*\/|\/\/\s*\]\]>)\s*$/,"")}function r(a,b){return a.replace(E[b],"").replace(F[b],"")}function s(a){return/^(?:html|t?body|t?head|tfoot|tr|td|th|dt|dd|option|colgroup|source)$/.test(a)}function t(a,b,c){var d=/^(["'])?\s*\1$/.test(c);return d?"input"===a&&"value"===b||G.test(b):!1}function u(a){return"textarea"!==a}function v(a){return!/^(?:script|style|pre|textarea)$/.test(a)}function w(a){return!/^(?:pre|textarea)$/.test(a)}function x(a,b,c,d){var e,f=d.caseSensitive?a.name:a.name.toLowerCase(),h=a.escaped;return d.removeRedundantAttributes&&i(c,f,h,b)||d.removeScriptTypeAttributes&&j(c,f,h)||d.removeStyleLinkTypeAttributes&&k(c,f,h)?"":(h=o(c,f,h),d.removeAttributeQuotes&&g(h)||(h='"'+h+'"'),d.removeEmptyAttributes&&t(c,f,h)?"":(e=d.collapseBooleanAttributes&&l(f)?f:f+"="+h," "+e))}function y(a){for(var b=["canCollapseWhitespace","canTrimWhitespace"],c=0,d=b.length;d>c;c++)a[b[c]]||(a[b[c]]=function(){return!1})}function z(b){try{var c=a.UglifyJS;if("undefined"==typeof c&&"function"==typeof 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g(a,b){return"href"===a&&/^\s*javascript\s*:\s*void\s*(\s+0|\(\s*0\s*\))\s*$/i.test(b)}function h(){this.log=[],this._lastElement=null,this._isElementRepeated=!1}h.prototype.testElement=function(a){c(a)?this.log.push('Found deprecated <'+a+">
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element."):f(a,b)?this.log.push('Found deprecated '+b+" attribute on <"+a+">
element."):e(b)?this.log.push('Found style attribute on <'+a+">
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diff --git a/index.html b/index.html
index 5124e3a..52a97b7 100644
--- a/index.html
+++ b/index.html
@@ -174,6 +174,12 @@
Minify JS
+
+
+
+
+