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|
- var result = (function(){
- /*
- * Generated by PEG.js 0.7.0.
- *
- * http://pegjs.majda.cz/
- */
-
- function quote(s) {
- /*
- * ECMA-262, 5th ed., 7.8.4: All characters may appear literally in a
- * string literal except for the closing quote character, backslash,
- * carriage return, line separator, paragraph separator, and line feed.
- * Any character may appear in the form of an escape sequence.
- *
- * For portability, we also escape escape all control and non-ASCII
- * characters. Note that "\0" and "\v" escape sequences are not used
- * because JSHint does not like the first and IE the second.
- */
- return '"' + s
- .replace(/\\/g, '\\\\') // backslash
- .replace(/"/g, '\\"') // closing quote character
- .replace(/\x08/g, '\\b') // backspace
- .replace(/\t/g, '\\t') // horizontal tab
- .replace(/\n/g, '\\n') // line feed
- .replace(/\f/g, '\\f') // form feed
- .replace(/\r/g, '\\r') // carriage return
- .replace(/[\x00-\x07\x0B\x0E-\x1F\x80-\uFFFF]/g, escape)
- + '"';
- }
-
- var result = {
- /*
- * Parses the input with a generated parser. If the parsing is successfull,
- * returns a value explicitly or implicitly specified by the grammar from
- * which the parser was generated (see |PEG.buildParser|). If the parsing is
- * unsuccessful, throws |PEG.parser.SyntaxError| describing the error.
- */
- parse: function(input, startRule) {
- var parseFunctions = {
- "start": parse_start,
- "_": parse__,
- "identifierName": parse_identifierName,
- "binaryOp": parse_binaryOp,
- "selectors": parse_selectors,
- "selector": parse_selector,
- "sequence": parse_sequence,
- "atom": parse_atom,
- "wildcard": parse_wildcard,
- "identifier": parse_identifier,
- "attr": parse_attr,
- "attrOps": parse_attrOps,
- "attrEqOps": parse_attrEqOps,
- "attrName": parse_attrName,
- "attrValue": parse_attrValue,
- "string": parse_string,
- "number": parse_number,
- "path": parse_path,
- "type": parse_type,
- "regex": parse_regex,
- "field": parse_field,
- "negation": parse_negation,
- "matches": parse_matches,
- "has": parse_has,
- "firstChild": parse_firstChild,
- "lastChild": parse_lastChild,
- "nthChild": parse_nthChild,
- "nthLastChild": parse_nthLastChild,
- "class": parse_class
- };
-
- if (startRule !== undefined) {
- if (parseFunctions[startRule] === undefined) {
- throw new Error("Invalid rule name: " + quote(startRule) + ".");
- }
- } else {
- startRule = "start";
- }
-
- var pos = 0;
- var reportFailures = 0;
- var rightmostFailuresPos = 0;
- var rightmostFailuresExpected = [];
- var cache = {};
-
- function padLeft(input, padding, length) {
- var result = input;
-
- var padLength = length - input.length;
- for (var i = 0; i < padLength; i++) {
- result = padding + result;
- }
-
- return result;
- }
-
- function escape(ch) {
- var charCode = ch.charCodeAt(0);
- var escapeChar;
- var length;
-
- if (charCode <= 0xFF) {
- escapeChar = 'x';
- length = 2;
- } else {
- escapeChar = 'u';
- length = 4;
- }
-
- return '\\' + escapeChar + padLeft(charCode.toString(16).toUpperCase(), '0', length);
- }
-
- function matchFailed(failure) {
- if (pos < rightmostFailuresPos) {
- return;
- }
-
- if (pos > rightmostFailuresPos) {
- rightmostFailuresPos = pos;
- rightmostFailuresExpected = [];
- }
-
- rightmostFailuresExpected.push(failure);
- }
-
- function parse_start() {
- var cacheKey = "start@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- result0 = parse__();
- if (result0 !== null) {
- result1 = parse_selectors();
- if (result1 !== null) {
- result2 = parse__();
- if (result2 !== null) {
- result0 = [result0, result1, result2];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, ss) { return ss.length === 1 ? ss[0] : { type: 'matches', selectors: ss }; })(pos0, result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
- if (result0 === null) {
- pos0 = pos;
- result0 = parse__();
- if (result0 !== null) {
- result0 = (function(offset) { return void 0; })(pos0);
- }
- if (result0 === null) {
- pos = pos0;
- }
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse__() {
- var cacheKey = "_@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1;
-
- result0 = [];
- if (input.charCodeAt(pos) === 32) {
- result1 = " ";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\" \"");
- }
- }
- while (result1 !== null) {
- result0.push(result1);
- if (input.charCodeAt(pos) === 32) {
- result1 = " ";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\" \"");
- }
- }
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_identifierName() {
- var cacheKey = "identifierName@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1;
- var pos0;
-
- pos0 = pos;
- if (/^[^ [\],():#!=><~+.]/.test(input.charAt(pos))) {
- result1 = input.charAt(pos);
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("[^ [\\],():#!=><~+.]");
- }
- }
- if (result1 !== null) {
- result0 = [];
- while (result1 !== null) {
- result0.push(result1);
- if (/^[^ [\],():#!=><~+.]/.test(input.charAt(pos))) {
- result1 = input.charAt(pos);
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("[^ [\\],():#!=><~+.]");
- }
- }
- }
- } else {
- result0 = null;
- }
- if (result0 !== null) {
- result0 = (function(offset, i) { return i.join(''); })(pos0, result0);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_binaryOp() {
- var cacheKey = "binaryOp@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- result0 = parse__();
- if (result0 !== null) {
- if (input.charCodeAt(pos) === 62) {
- result1 = ">";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\">\"");
- }
- }
- if (result1 !== null) {
- result2 = parse__();
- if (result2 !== null) {
- result0 = [result0, result1, result2];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset) { return 'child'; })(pos0);
- }
- if (result0 === null) {
- pos = pos0;
- }
- if (result0 === null) {
- pos0 = pos;
- pos1 = pos;
- result0 = parse__();
- if (result0 !== null) {
- if (input.charCodeAt(pos) === 126) {
- result1 = "~";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\"~\"");
- }
- }
- if (result1 !== null) {
- result2 = parse__();
- if (result2 !== null) {
- result0 = [result0, result1, result2];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset) { return 'sibling'; })(pos0);
- }
- if (result0 === null) {
- pos = pos0;
- }
- if (result0 === null) {
- pos0 = pos;
- pos1 = pos;
- result0 = parse__();
- if (result0 !== null) {
- if (input.charCodeAt(pos) === 43) {
- result1 = "+";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\"+\"");
- }
- }
- if (result1 !== null) {
- result2 = parse__();
- if (result2 !== null) {
- result0 = [result0, result1, result2];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset) { return 'adjacent'; })(pos0);
- }
- if (result0 === null) {
- pos = pos0;
- }
- if (result0 === null) {
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 32) {
- result0 = " ";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\" \"");
- }
- }
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset) { return 'descendant'; })(pos0);
- }
- if (result0 === null) {
- pos = pos0;
- }
- }
- }
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_selectors() {
- var cacheKey = "selectors@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4, result5;
- var pos0, pos1, pos2;
-
- pos0 = pos;
- pos1 = pos;
- result0 = parse_selector();
- if (result0 !== null) {
- result1 = [];
- pos2 = pos;
- result2 = parse__();
- if (result2 !== null) {
- if (input.charCodeAt(pos) === 44) {
- result3 = ",";
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("\",\"");
- }
- }
- if (result3 !== null) {
- result4 = parse__();
- if (result4 !== null) {
- result5 = parse_selector();
- if (result5 !== null) {
- result2 = [result2, result3, result4, result5];
- } else {
- result2 = null;
- pos = pos2;
- }
- } else {
- result2 = null;
- pos = pos2;
- }
- } else {
- result2 = null;
- pos = pos2;
- }
- } else {
- result2 = null;
- pos = pos2;
- }
- while (result2 !== null) {
- result1.push(result2);
- pos2 = pos;
- result2 = parse__();
- if (result2 !== null) {
- if (input.charCodeAt(pos) === 44) {
- result3 = ",";
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("\",\"");
- }
- }
- if (result3 !== null) {
- result4 = parse__();
- if (result4 !== null) {
- result5 = parse_selector();
- if (result5 !== null) {
- result2 = [result2, result3, result4, result5];
- } else {
- result2 = null;
- pos = pos2;
- }
- } else {
- result2 = null;
- pos = pos2;
- }
- } else {
- result2 = null;
- pos = pos2;
- }
- } else {
- result2 = null;
- pos = pos2;
- }
- }
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, s, ss) {
- return [s].concat(ss.map(function (s) { return s[3]; }));
- })(pos0, result0[0], result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_selector() {
- var cacheKey = "selector@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3;
- var pos0, pos1, pos2;
-
- pos0 = pos;
- pos1 = pos;
- result0 = parse_sequence();
- if (result0 !== null) {
- result1 = [];
- pos2 = pos;
- result2 = parse_binaryOp();
- if (result2 !== null) {
- result3 = parse_sequence();
- if (result3 !== null) {
- result2 = [result2, result3];
- } else {
- result2 = null;
- pos = pos2;
- }
- } else {
- result2 = null;
- pos = pos2;
- }
- while (result2 !== null) {
- result1.push(result2);
- pos2 = pos;
- result2 = parse_binaryOp();
- if (result2 !== null) {
- result3 = parse_sequence();
- if (result3 !== null) {
- result2 = [result2, result3];
- } else {
- result2 = null;
- pos = pos2;
- }
- } else {
- result2 = null;
- pos = pos2;
- }
- }
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, a, ops) {
- return ops.reduce(function (memo, rhs) {
- return { type: rhs[0], left: memo, right: rhs[1] };
- }, a);
- })(pos0, result0[0], result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_sequence() {
- var cacheKey = "sequence@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 33) {
- result0 = "!";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\"!\"");
- }
- }
- result0 = result0 !== null ? result0 : "";
- if (result0 !== null) {
- result2 = parse_atom();
- if (result2 !== null) {
- result1 = [];
- while (result2 !== null) {
- result1.push(result2);
- result2 = parse_atom();
- }
- } else {
- result1 = null;
- }
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, subject, as) {
- var b = as.length === 1 ? as[0] : { type: 'compound', selectors: as };
- if(subject) b.subject = true;
- return b;
- })(pos0, result0[0], result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_atom() {
- var cacheKey = "atom@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0;
-
- result0 = parse_wildcard();
- if (result0 === null) {
- result0 = parse_identifier();
- if (result0 === null) {
- result0 = parse_attr();
- if (result0 === null) {
- result0 = parse_field();
- if (result0 === null) {
- result0 = parse_negation();
- if (result0 === null) {
- result0 = parse_matches();
- if (result0 === null) {
- result0 = parse_has();
- if (result0 === null) {
- result0 = parse_firstChild();
- if (result0 === null) {
- result0 = parse_lastChild();
- if (result0 === null) {
- result0 = parse_nthChild();
- if (result0 === null) {
- result0 = parse_nthLastChild();
- if (result0 === null) {
- result0 = parse_class();
- }
- }
- }
- }
- }
- }
- }
- }
- }
- }
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_wildcard() {
- var cacheKey = "wildcard@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0;
- var pos0;
-
- pos0 = pos;
- if (input.charCodeAt(pos) === 42) {
- result0 = "*";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\"*\"");
- }
- }
- if (result0 !== null) {
- result0 = (function(offset, a) { return { type: 'wildcard', value: a }; })(pos0, result0);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_identifier() {
- var cacheKey = "identifier@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 35) {
- result0 = "#";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\"#\"");
- }
- }
- result0 = result0 !== null ? result0 : "";
- if (result0 !== null) {
- result1 = parse_identifierName();
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, i) { return { type: 'identifier', value: i }; })(pos0, result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_attr() {
- var cacheKey = "attr@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 91) {
- result0 = "[";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\"[\"");
- }
- }
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- result2 = parse_attrValue();
- if (result2 !== null) {
- result3 = parse__();
- if (result3 !== null) {
- if (input.charCodeAt(pos) === 93) {
- result4 = "]";
- pos++;
- } else {
- result4 = null;
- if (reportFailures === 0) {
- matchFailed("\"]\"");
- }
- }
- if (result4 !== null) {
- result0 = [result0, result1, result2, result3, result4];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, v) { return v; })(pos0, result0[2]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_attrOps() {
- var cacheKey = "attrOps@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (/^[><!]/.test(input.charAt(pos))) {
- result0 = input.charAt(pos);
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("[><!]");
- }
- }
- result0 = result0 !== null ? result0 : "";
- if (result0 !== null) {
- if (input.charCodeAt(pos) === 61) {
- result1 = "=";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\"=\"");
- }
- }
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, a) { return a + '='; })(pos0, result0[0]);
- }
- if (result0 === null) {
- pos = pos0;
- }
- if (result0 === null) {
- if (/^[><]/.test(input.charAt(pos))) {
- result0 = input.charAt(pos);
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("[><]");
- }
- }
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_attrEqOps() {
- var cacheKey = "attrEqOps@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 33) {
- result0 = "!";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\"!\"");
- }
- }
- result0 = result0 !== null ? result0 : "";
- if (result0 !== null) {
- if (input.charCodeAt(pos) === 61) {
- result1 = "=";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\"=\"");
- }
- }
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, a) { return a + '='; })(pos0, result0[0]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_attrName() {
- var cacheKey = "attrName@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1;
- var pos0;
-
- pos0 = pos;
- result1 = parse_identifierName();
- if (result1 === null) {
- if (input.charCodeAt(pos) === 46) {
- result1 = ".";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\".\"");
- }
- }
- }
- if (result1 !== null) {
- result0 = [];
- while (result1 !== null) {
- result0.push(result1);
- result1 = parse_identifierName();
- if (result1 === null) {
- if (input.charCodeAt(pos) === 46) {
- result1 = ".";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\".\"");
- }
- }
- }
- }
- } else {
- result0 = null;
- }
- if (result0 !== null) {
- result0 = (function(offset, i) { return i.join(''); })(pos0, result0);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_attrValue() {
- var cacheKey = "attrValue@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- result0 = parse_attrName();
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- result2 = parse_attrEqOps();
- if (result2 !== null) {
- result3 = parse__();
- if (result3 !== null) {
- result4 = parse_type();
- if (result4 === null) {
- result4 = parse_regex();
- }
- if (result4 !== null) {
- result0 = [result0, result1, result2, result3, result4];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, name, op, value) {
- return { type: 'attribute', name: name, operator: op, value: value };
- })(pos0, result0[0], result0[2], result0[4]);
- }
- if (result0 === null) {
- pos = pos0;
- }
- if (result0 === null) {
- pos0 = pos;
- pos1 = pos;
- result0 = parse_attrName();
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- result2 = parse_attrOps();
- if (result2 !== null) {
- result3 = parse__();
- if (result3 !== null) {
- result4 = parse_string();
- if (result4 === null) {
- result4 = parse_number();
- if (result4 === null) {
- result4 = parse_path();
- }
- }
- if (result4 !== null) {
- result0 = [result0, result1, result2, result3, result4];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, name, op, value) {
- return { type: 'attribute', name: name, operator: op, value: value };
- })(pos0, result0[0], result0[2], result0[4]);
- }
- if (result0 === null) {
- pos = pos0;
- }
- if (result0 === null) {
- pos0 = pos;
- result0 = parse_attrName();
- if (result0 !== null) {
- result0 = (function(offset, name) { return { type: 'attribute', name: name }; })(pos0, result0);
- }
- if (result0 === null) {
- pos = pos0;
- }
- }
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_string() {
- var cacheKey = "string@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3;
- var pos0, pos1, pos2, pos3;
-
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 34) {
- result0 = "\"";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\"\\\"\"");
- }
- }
- if (result0 !== null) {
- result1 = [];
- if (/^[^\\"]/.test(input.charAt(pos))) {
- result2 = input.charAt(pos);
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("[^\\\\\"]");
- }
- }
- if (result2 === null) {
- pos2 = pos;
- pos3 = pos;
- if (input.charCodeAt(pos) === 92) {
- result2 = "\\";
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("\"\\\\\"");
- }
- }
- if (result2 !== null) {
- if (input.length > pos) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("any character");
- }
- }
- if (result3 !== null) {
- result2 = [result2, result3];
- } else {
- result2 = null;
- pos = pos3;
- }
- } else {
- result2 = null;
- pos = pos3;
- }
- if (result2 !== null) {
- result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]);
- }
- if (result2 === null) {
- pos = pos2;
- }
- }
- while (result2 !== null) {
- result1.push(result2);
- if (/^[^\\"]/.test(input.charAt(pos))) {
- result2 = input.charAt(pos);
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("[^\\\\\"]");
- }
- }
- if (result2 === null) {
- pos2 = pos;
- pos3 = pos;
- if (input.charCodeAt(pos) === 92) {
- result2 = "\\";
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("\"\\\\\"");
- }
- }
- if (result2 !== null) {
- if (input.length > pos) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("any character");
- }
- }
- if (result3 !== null) {
- result2 = [result2, result3];
- } else {
- result2 = null;
- pos = pos3;
- }
- } else {
- result2 = null;
- pos = pos3;
- }
- if (result2 !== null) {
- result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]);
- }
- if (result2 === null) {
- pos = pos2;
- }
- }
- }
- if (result1 !== null) {
- if (input.charCodeAt(pos) === 34) {
- result2 = "\"";
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("\"\\\"\"");
- }
- }
- if (result2 !== null) {
- result0 = [result0, result1, result2];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, d) {
- return { type: 'literal', value: strUnescape(d.join('')) };
- })(pos0, result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
- if (result0 === null) {
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 39) {
- result0 = "'";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\"'\"");
- }
- }
- if (result0 !== null) {
- result1 = [];
- if (/^[^\\']/.test(input.charAt(pos))) {
- result2 = input.charAt(pos);
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("[^\\\\']");
- }
- }
- if (result2 === null) {
- pos2 = pos;
- pos3 = pos;
- if (input.charCodeAt(pos) === 92) {
- result2 = "\\";
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("\"\\\\\"");
- }
- }
- if (result2 !== null) {
- if (input.length > pos) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("any character");
- }
- }
- if (result3 !== null) {
- result2 = [result2, result3];
- } else {
- result2 = null;
- pos = pos3;
- }
- } else {
- result2 = null;
- pos = pos3;
- }
- if (result2 !== null) {
- result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]);
- }
- if (result2 === null) {
- pos = pos2;
- }
- }
- while (result2 !== null) {
- result1.push(result2);
- if (/^[^\\']/.test(input.charAt(pos))) {
- result2 = input.charAt(pos);
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("[^\\\\']");
- }
- }
- if (result2 === null) {
- pos2 = pos;
- pos3 = pos;
- if (input.charCodeAt(pos) === 92) {
- result2 = "\\";
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("\"\\\\\"");
- }
- }
- if (result2 !== null) {
- if (input.length > pos) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("any character");
- }
- }
- if (result3 !== null) {
- result2 = [result2, result3];
- } else {
- result2 = null;
- pos = pos3;
- }
- } else {
- result2 = null;
- pos = pos3;
- }
- if (result2 !== null) {
- result2 = (function(offset, a, b) { return a + b; })(pos2, result2[0], result2[1]);
- }
- if (result2 === null) {
- pos = pos2;
- }
- }
- }
- if (result1 !== null) {
- if (input.charCodeAt(pos) === 39) {
- result2 = "'";
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("\"'\"");
- }
- }
- if (result2 !== null) {
- result0 = [result0, result1, result2];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, d) {
- return { type: 'literal', value: strUnescape(d.join('')) };
- })(pos0, result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_number() {
- var cacheKey = "number@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2;
- var pos0, pos1, pos2;
-
- pos0 = pos;
- pos1 = pos;
- pos2 = pos;
- result0 = [];
- if (/^[0-9]/.test(input.charAt(pos))) {
- result1 = input.charAt(pos);
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("[0-9]");
- }
- }
- while (result1 !== null) {
- result0.push(result1);
- if (/^[0-9]/.test(input.charAt(pos))) {
- result1 = input.charAt(pos);
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("[0-9]");
- }
- }
- }
- if (result0 !== null) {
- if (input.charCodeAt(pos) === 46) {
- result1 = ".";
- pos++;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\".\"");
- }
- }
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos2;
- }
- } else {
- result0 = null;
- pos = pos2;
- }
- result0 = result0 !== null ? result0 : "";
- if (result0 !== null) {
- if (/^[0-9]/.test(input.charAt(pos))) {
- result2 = input.charAt(pos);
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("[0-9]");
- }
- }
- if (result2 !== null) {
- result1 = [];
- while (result2 !== null) {
- result1.push(result2);
- if (/^[0-9]/.test(input.charAt(pos))) {
- result2 = input.charAt(pos);
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("[0-9]");
- }
- }
- }
- } else {
- result1 = null;
- }
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, a, b) {
- return { type: 'literal', value: parseFloat((a ? a.join('') : '') + b.join('')) };
- })(pos0, result0[0], result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_path() {
- var cacheKey = "path@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0;
- var pos0;
-
- pos0 = pos;
- result0 = parse_identifierName();
- if (result0 !== null) {
- result0 = (function(offset, i) { return { type: 'literal', value: i }; })(pos0, result0);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_type() {
- var cacheKey = "type@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.substr(pos, 5) === "type(") {
- result0 = "type(";
- pos += 5;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\"type(\"");
- }
- }
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- if (/^[^ )]/.test(input.charAt(pos))) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("[^ )]");
- }
- }
- if (result3 !== null) {
- result2 = [];
- while (result3 !== null) {
- result2.push(result3);
- if (/^[^ )]/.test(input.charAt(pos))) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("[^ )]");
- }
- }
- }
- } else {
- result2 = null;
- }
- if (result2 !== null) {
- result3 = parse__();
- if (result3 !== null) {
- if (input.charCodeAt(pos) === 41) {
- result4 = ")";
- pos++;
- } else {
- result4 = null;
- if (reportFailures === 0) {
- matchFailed("\")\"");
- }
- }
- if (result4 !== null) {
- result0 = [result0, result1, result2, result3, result4];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, t) { return { type: 'type', value: t.join('') }; })(pos0, result0[2]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_regex() {
- var cacheKey = "regex@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 47) {
- result0 = "/";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\"/\"");
- }
- }
- if (result0 !== null) {
- if (/^[^\/]/.test(input.charAt(pos))) {
- result2 = input.charAt(pos);
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("[^\\/]");
- }
- }
- if (result2 !== null) {
- result1 = [];
- while (result2 !== null) {
- result1.push(result2);
- if (/^[^\/]/.test(input.charAt(pos))) {
- result2 = input.charAt(pos);
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("[^\\/]");
- }
- }
- }
- } else {
- result1 = null;
- }
- if (result1 !== null) {
- if (input.charCodeAt(pos) === 47) {
- result2 = "/";
- pos++;
- } else {
- result2 = null;
- if (reportFailures === 0) {
- matchFailed("\"/\"");
- }
- }
- if (result2 !== null) {
- result0 = [result0, result1, result2];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, d) { return { type: 'regexp', value: new RegExp(d.join('')) }; })(pos0, result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_field() {
- var cacheKey = "field@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4;
- var pos0, pos1, pos2;
-
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 46) {
- result0 = ".";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\".\"");
- }
- }
- if (result0 !== null) {
- result1 = parse_identifierName();
- if (result1 !== null) {
- result2 = [];
- pos2 = pos;
- if (input.charCodeAt(pos) === 46) {
- result3 = ".";
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("\".\"");
- }
- }
- if (result3 !== null) {
- result4 = parse_identifierName();
- if (result4 !== null) {
- result3 = [result3, result4];
- } else {
- result3 = null;
- pos = pos2;
- }
- } else {
- result3 = null;
- pos = pos2;
- }
- while (result3 !== null) {
- result2.push(result3);
- pos2 = pos;
- if (input.charCodeAt(pos) === 46) {
- result3 = ".";
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("\".\"");
- }
- }
- if (result3 !== null) {
- result4 = parse_identifierName();
- if (result4 !== null) {
- result3 = [result3, result4];
- } else {
- result3 = null;
- pos = pos2;
- }
- } else {
- result3 = null;
- pos = pos2;
- }
- }
- if (result2 !== null) {
- result0 = [result0, result1, result2];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, i, is) {
- return { type: 'field', name: is.reduce(function(memo, p){ return memo + p[0] + p[1]; }, i)};
- })(pos0, result0[1], result0[2]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_negation() {
- var cacheKey = "negation@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.substr(pos, 5) === ":not(") {
- result0 = ":not(";
- pos += 5;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\":not(\"");
- }
- }
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- result2 = parse_selectors();
- if (result2 !== null) {
- result3 = parse__();
- if (result3 !== null) {
- if (input.charCodeAt(pos) === 41) {
- result4 = ")";
- pos++;
- } else {
- result4 = null;
- if (reportFailures === 0) {
- matchFailed("\")\"");
- }
- }
- if (result4 !== null) {
- result0 = [result0, result1, result2, result3, result4];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, ss) { return { type: 'not', selectors: ss }; })(pos0, result0[2]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_matches() {
- var cacheKey = "matches@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.substr(pos, 9) === ":matches(") {
- result0 = ":matches(";
- pos += 9;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\":matches(\"");
- }
- }
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- result2 = parse_selectors();
- if (result2 !== null) {
- result3 = parse__();
- if (result3 !== null) {
- if (input.charCodeAt(pos) === 41) {
- result4 = ")";
- pos++;
- } else {
- result4 = null;
- if (reportFailures === 0) {
- matchFailed("\")\"");
- }
- }
- if (result4 !== null) {
- result0 = [result0, result1, result2, result3, result4];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, ss) { return { type: 'matches', selectors: ss }; })(pos0, result0[2]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_has() {
- var cacheKey = "has@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.substr(pos, 5) === ":has(") {
- result0 = ":has(";
- pos += 5;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\":has(\"");
- }
- }
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- result2 = parse_selectors();
- if (result2 !== null) {
- result3 = parse__();
- if (result3 !== null) {
- if (input.charCodeAt(pos) === 41) {
- result4 = ")";
- pos++;
- } else {
- result4 = null;
- if (reportFailures === 0) {
- matchFailed("\")\"");
- }
- }
- if (result4 !== null) {
- result0 = [result0, result1, result2, result3, result4];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, ss) { return { type: 'has', selectors: ss }; })(pos0, result0[2]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_firstChild() {
- var cacheKey = "firstChild@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0;
- var pos0;
-
- pos0 = pos;
- if (input.substr(pos, 12) === ":first-child") {
- result0 = ":first-child";
- pos += 12;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\":first-child\"");
- }
- }
- if (result0 !== null) {
- result0 = (function(offset) { return nth(1); })(pos0);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_lastChild() {
- var cacheKey = "lastChild@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0;
- var pos0;
-
- pos0 = pos;
- if (input.substr(pos, 11) === ":last-child") {
- result0 = ":last-child";
- pos += 11;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\":last-child\"");
- }
- }
- if (result0 !== null) {
- result0 = (function(offset) { return nthLast(1); })(pos0);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_nthChild() {
- var cacheKey = "nthChild@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.substr(pos, 11) === ":nth-child(") {
- result0 = ":nth-child(";
- pos += 11;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\":nth-child(\"");
- }
- }
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- if (/^[0-9]/.test(input.charAt(pos))) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("[0-9]");
- }
- }
- if (result3 !== null) {
- result2 = [];
- while (result3 !== null) {
- result2.push(result3);
- if (/^[0-9]/.test(input.charAt(pos))) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("[0-9]");
- }
- }
- }
- } else {
- result2 = null;
- }
- if (result2 !== null) {
- result3 = parse__();
- if (result3 !== null) {
- if (input.charCodeAt(pos) === 41) {
- result4 = ")";
- pos++;
- } else {
- result4 = null;
- if (reportFailures === 0) {
- matchFailed("\")\"");
- }
- }
- if (result4 !== null) {
- result0 = [result0, result1, result2, result3, result4];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, n) { return nth(parseInt(n.join(''), 10)); })(pos0, result0[2]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_nthLastChild() {
- var cacheKey = "nthLastChild@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1, result2, result3, result4;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.substr(pos, 16) === ":nth-last-child(") {
- result0 = ":nth-last-child(";
- pos += 16;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\":nth-last-child(\"");
- }
- }
- if (result0 !== null) {
- result1 = parse__();
- if (result1 !== null) {
- if (/^[0-9]/.test(input.charAt(pos))) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("[0-9]");
- }
- }
- if (result3 !== null) {
- result2 = [];
- while (result3 !== null) {
- result2.push(result3);
- if (/^[0-9]/.test(input.charAt(pos))) {
- result3 = input.charAt(pos);
- pos++;
- } else {
- result3 = null;
- if (reportFailures === 0) {
- matchFailed("[0-9]");
- }
- }
- }
- } else {
- result2 = null;
- }
- if (result2 !== null) {
- result3 = parse__();
- if (result3 !== null) {
- if (input.charCodeAt(pos) === 41) {
- result4 = ")";
- pos++;
- } else {
- result4 = null;
- if (reportFailures === 0) {
- matchFailed("\")\"");
- }
- }
- if (result4 !== null) {
- result0 = [result0, result1, result2, result3, result4];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, n) { return nthLast(parseInt(n.join(''), 10)); })(pos0, result0[2]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
- function parse_class() {
- var cacheKey = "class@" + pos;
- var cachedResult = cache[cacheKey];
- if (cachedResult) {
- pos = cachedResult.nextPos;
- return cachedResult.result;
- }
-
- var result0, result1;
- var pos0, pos1;
-
- pos0 = pos;
- pos1 = pos;
- if (input.charCodeAt(pos) === 58) {
- result0 = ":";
- pos++;
- } else {
- result0 = null;
- if (reportFailures === 0) {
- matchFailed("\":\"");
- }
- }
- if (result0 !== null) {
- if (input.substr(pos, 9).toLowerCase() === "statement") {
- result1 = input.substr(pos, 9);
- pos += 9;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\"statement\"");
- }
- }
- if (result1 === null) {
- if (input.substr(pos, 10).toLowerCase() === "expression") {
- result1 = input.substr(pos, 10);
- pos += 10;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\"expression\"");
- }
- }
- if (result1 === null) {
- if (input.substr(pos, 11).toLowerCase() === "declaration") {
- result1 = input.substr(pos, 11);
- pos += 11;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\"declaration\"");
- }
- }
- if (result1 === null) {
- if (input.substr(pos, 8).toLowerCase() === "function") {
- result1 = input.substr(pos, 8);
- pos += 8;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\"function\"");
- }
- }
- if (result1 === null) {
- if (input.substr(pos, 7).toLowerCase() === "pattern") {
- result1 = input.substr(pos, 7);
- pos += 7;
- } else {
- result1 = null;
- if (reportFailures === 0) {
- matchFailed("\"pattern\"");
- }
- }
- }
- }
- }
- }
- if (result1 !== null) {
- result0 = [result0, result1];
- } else {
- result0 = null;
- pos = pos1;
- }
- } else {
- result0 = null;
- pos = pos1;
- }
- if (result0 !== null) {
- result0 = (function(offset, c) {
- return { type: 'class', name: c };
- })(pos0, result0[1]);
- }
- if (result0 === null) {
- pos = pos0;
- }
-
- cache[cacheKey] = {
- nextPos: pos,
- result: result0
- };
- return result0;
- }
-
-
- function cleanupExpected(expected) {
- expected.sort();
-
- var lastExpected = null;
- var cleanExpected = [];
- for (var i = 0; i < expected.length; i++) {
- if (expected[i] !== lastExpected) {
- cleanExpected.push(expected[i]);
- lastExpected = expected[i];
- }
- }
- return cleanExpected;
- }
-
- function computeErrorPosition() {
- /*
- * The first idea was to use |String.split| to break the input up to the
- * error position along newlines and derive the line and column from
- * there. However IE's |split| implementation is so broken that it was
- * enough to prevent it.
- */
-
- var line = 1;
- var column = 1;
- var seenCR = false;
-
- for (var i = 0; i < Math.max(pos, rightmostFailuresPos); i++) {
- var ch = input.charAt(i);
- if (ch === "\n") {
- if (!seenCR) { line++; }
- column = 1;
- seenCR = false;
- } else if (ch === "\r" || ch === "\u2028" || ch === "\u2029") {
- line++;
- column = 1;
- seenCR = true;
- } else {
- column++;
- seenCR = false;
- }
- }
-
- return { line: line, column: column };
- }
-
-
- function nth(n) { return { type: 'nth-child', index: { type: 'literal', value: n } }; }
- function nthLast(n) { return { type: 'nth-last-child', index: { type: 'literal', value: n } }; }
- function strUnescape(s) {
- return s.replace(/\\(.)/g, function(match, ch) {
- switch(ch) {
- case 'a': return '\a';
- case 'b': return '\b';
- case 'f': return '\f';
- case 'n': return '\n';
- case 'r': return '\r';
- case 't': return '\t';
- case 'v': return '\v';
- default: return ch;
- }
- });
- }
-
-
- var result = parseFunctions[startRule]();
-
- /*
- * The parser is now in one of the following three states:
- *
- * 1. The parser successfully parsed the whole input.
- *
- * - |result !== null|
- * - |pos === input.length|
- * - |rightmostFailuresExpected| may or may not contain something
- *
- * 2. The parser successfully parsed only a part of the input.
- *
- * - |result !== null|
- * - |pos < input.length|
- * - |rightmostFailuresExpected| may or may not contain something
- *
- * 3. The parser did not successfully parse any part of the input.
- *
- * - |result === null|
- * - |pos === 0|
- * - |rightmostFailuresExpected| contains at least one failure
- *
- * All code following this comment (including called functions) must
- * handle these states.
- */
- if (result === null || pos !== input.length) {
- var offset = Math.max(pos, rightmostFailuresPos);
- var found = offset < input.length ? input.charAt(offset) : null;
- var errorPosition = computeErrorPosition();
-
- throw new this.SyntaxError(
- cleanupExpected(rightmostFailuresExpected),
- found,
- offset,
- errorPosition.line,
- errorPosition.column
- );
- }
-
- return result;
- },
-
- /* Returns the parser source code. */
- toSource: function() { return this._source; }
- };
-
- /* Thrown when a parser encounters a syntax error. */
-
- result.SyntaxError = function(expected, found, offset, line, column) {
- function buildMessage(expected, found) {
- var expectedHumanized, foundHumanized;
-
- switch (expected.length) {
- case 0:
- expectedHumanized = "end of input";
- break;
- case 1:
- expectedHumanized = expected[0];
- break;
- default:
- expectedHumanized = expected.slice(0, expected.length - 1).join(", ")
- + " or "
- + expected[expected.length - 1];
- }
-
- foundHumanized = found ? quote(found) : "end of input";
-
- return "Expected " + expectedHumanized + " but " + foundHumanized + " found.";
- }
-
- this.name = "SyntaxError";
- this.expected = expected;
- this.found = found;
- this.message = buildMessage(expected, found);
- this.offset = offset;
- this.line = line;
- this.column = column;
- };
-
- result.SyntaxError.prototype = Error.prototype;
-
- return result;
- })();
- if (typeof define === "function" && define.amd) { define(function(){ return result; }); } else if (typeof module !== "undefined" && module.exports) { module.exports = result; } else { this.esquery = result; }
|