mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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718 lines
26 KiB
JavaScript
718 lines
26 KiB
JavaScript
/**
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* This file is taken from the below mentioned url and is under CC0 license.
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* https://github.com/tabatkins/css-parser/blob/master/tokenizer.js
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* Please retain this comment while updating this file from upstream.
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*/
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(function (root, factory) {
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// Universal Module Definition (UMD) to support AMD, CommonJS/Node.js,
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// Rhino, and plain browser loading.
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if (typeof define === 'function' && define.amd) {
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define(['exports'], factory);
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} else if (typeof exports !== 'undefined') {
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factory(exports);
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} else {
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factory(root);
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}
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}(this, function (exports) {
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var between = function (num, first, last) { return num >= first && num <= last; }
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function digit(code) { return between(code, 0x30,0x39); }
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function hexdigit(code) { return digit(code) || between(code, 0x41,0x46) || between(code, 0x61,0x66); }
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function uppercaseletter(code) { return between(code, 0x41,0x5a); }
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function lowercaseletter(code) { return between(code, 0x61,0x7a); }
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function letter(code) { return uppercaseletter(code) || lowercaseletter(code); }
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function nonascii(code) { return code >= 0xa0; }
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function namestartchar(code) { return letter(code) || nonascii(code) || code == 0x5f; }
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function namechar(code) { return namestartchar(code) || digit(code) || code == 0x2d; }
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function nonprintable(code) { return between(code, 0,8) || between(code, 0xe,0x1f) || between(code, 0x7f,0x9f); }
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function newline(code) { return code == 0xa || code == 0xc; }
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function whitespace(code) { return newline(code) || code == 9 || code == 0x20; }
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function badescape(code) { return newline(code) || isNaN(code); }
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// Note: I'm not yet acting smart enough to actually handle astral characters.
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var maximumallowedcodepoint = 0x10ffff;
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function tokenize(str, options) {
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if(options == undefined) options = {transformFunctionWhitespace:false, scientificNotation:false};
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var i = -1;
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var tokens = [];
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var state = "data";
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var code;
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var currtoken;
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// Line number information.
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var line = 0;
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var column = 0;
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// The only use of lastLineLength is in reconsume().
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var lastLineLength = 0;
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var incrLineno = function() {
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line += 1;
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lastLineLength = column;
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column = 0;
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};
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var locStart = {line:line, column:column};
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var next = function(num) { if(num === undefined) num = 1; return str.charCodeAt(i+num); };
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var consume = function(num) {
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if(num === undefined)
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num = 1;
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i += num;
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code = str.charCodeAt(i);
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if (newline(code)) incrLineno();
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else column += num;
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//console.log('Consume '+i+' '+String.fromCharCode(code) + ' 0x' + code.toString(16));
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return true;
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};
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var reconsume = function() {
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i -= 1;
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if (newline(code)) {
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line -= 1;
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column = lastLineLength;
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} else {
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column -= 1;
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}
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locStart.line = line;
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locStart.column = column;
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return true;
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};
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var eof = function() { return i >= str.length; };
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var donothing = function() {};
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var emit = function(token) {
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if(token) {
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token.finish();
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} else {
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token = currtoken.finish();
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}
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if (options.loc === true) {
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token.loc = {};
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token.loc.start = {line:locStart.line, column:locStart.column};
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locStart = {line: line, column: column};
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token.loc.end = locStart;
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}
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tokens.push(token);
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//console.log('Emitting ' + token);
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currtoken = undefined;
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return true;
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};
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var create = function(token) { currtoken = token; return true; };
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var parseerror = function() { console.log("Parse error at index " + i + ", processing codepoint 0x" + code.toString(16) + " in state " + state + ".");return true; };
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var switchto = function(newstate) {
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state = newstate;
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//console.log('Switching to ' + state);
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return true;
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};
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var consumeEscape = function() {
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// Assume the the current character is the \
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consume();
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if(hexdigit(code)) {
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// Consume 1-6 hex digits
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var digits = [];
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for(var total = 0; total < 6; total++) {
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if(hexdigit(code)) {
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digits.push(code);
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consume();
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} else { break; }
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}
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var value = parseInt(digits.map(String.fromCharCode).join(''), 16);
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if( value > maximumallowedcodepoint ) value = 0xfffd;
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// If the current char is whitespace, cool, we'll just eat it.
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// Otherwise, put it back.
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if(!whitespace(code)) reconsume();
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return value;
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} else {
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return code;
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}
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};
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for(;;) {
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if(i > str.length*2) return "I'm infinite-looping!";
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consume();
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switch(state) {
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case "data":
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if(whitespace(code)) {
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emit(new WhitespaceToken);
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while(whitespace(next())) consume();
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}
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else if(code == 0x22) switchto("double-quote-string");
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else if(code == 0x23) switchto("hash");
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else if(code == 0x27) switchto("single-quote-string");
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else if(code == 0x28) emit(new OpenParenToken);
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else if(code == 0x29) emit(new CloseParenToken);
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else if(code == 0x2b) {
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if(digit(next()) || (next() == 0x2e && digit(next(2)))) switchto("number") && reconsume();
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else emit(new DelimToken(code));
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}
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else if(code == 0x2d) {
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if(next(1) == 0x2d && next(2) == 0x3e) consume(2) && emit(new CDCToken);
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else if(digit(next()) || (next(1) == 0x2e && digit(next(2)))) switchto("number") && reconsume();
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else if(namestartchar(next())) switchto("identifier") && reconsume();
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else emit(new DelimToken(code));
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}
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else if(code == 0x2e) {
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if(digit(next())) switchto("number") && reconsume();
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else emit(new DelimToken(code));
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}
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else if(code == 0x2f) {
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if(next() == 0x2a) switchto("comment");
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else emit(new DelimToken(code));
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}
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else if(code == 0x3a) emit(new ColonToken);
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else if(code == 0x3b) emit(new SemicolonToken);
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else if(code == 0x3c) {
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if(next(1) == 0x21 && next(2) == 0x2d && next(3) == 0x2d) consume(3) && emit(new CDOToken);
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else emit(new DelimToken(code));
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}
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else if(code == 0x40) switchto("at-keyword");
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else if(code == 0x5b) emit(new OpenSquareToken);
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && emit(new DelimToken(code));
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else switchto("identifier") && reconsume();
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}
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else if(code == 0x5d) emit(new CloseSquareToken);
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else if(code == 0x7b) emit(new OpenCurlyToken);
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else if(code == 0x7d) emit(new CloseCurlyToken);
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else if(digit(code)) switchto("number") && reconsume();
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else if(code == 0x55 || code == 0x75) {
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if(next(1) == 0x2b && hexdigit(next(2))) consume() && switchto("unicode-range");
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else if((next(1) == 0x52 || next(1) == 0x72) && (next(2) == 0x4c || next(2) == 0x6c) && (next(3) == 0x28)) consume(3) && switchto("url");
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else switchto("identifier") && reconsume();
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}
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else if(namestartchar(code)) switchto("identifier") && reconsume();
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else if(eof()) { emit(new EOFToken); return tokens; }
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else emit(new DelimToken(code));
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break;
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case "double-quote-string":
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if(currtoken == undefined) create(new StringToken);
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if(code == 0x22) emit() && switchto("data");
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else if(eof()) parseerror() && emit() && switchto("data");
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else if(newline(code)) parseerror() && emit(new BadStringToken) && switchto("data") && reconsume();
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && emit(new BadStringToken) && switchto("data");
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else if(newline(next())) consume();
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else currtoken.append(consumeEscape());
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}
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else currtoken.append(code);
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break;
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case "single-quote-string":
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if(currtoken == undefined) create(new StringToken);
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if(code == 0x27) emit() && switchto("data");
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else if(eof()) parseerror() && emit() && switchto("data");
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else if(newline(code)) parseerror() && emit(new BadStringToken) && switchto("data") && reconsume();
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && emit(new BadStringToken) && switchto("data");
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else if(newline(next())) consume();
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else currtoken.append(consumeEscape());
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}
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else currtoken.append(code);
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break;
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case "hash":
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if(namechar(code)) create(new HashToken(code)) && switchto("hash-rest");
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && emit(new DelimToken(0x23)) && switchto("data") && reconsume();
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else create(new HashToken(consumeEscape())) && switchto('hash-rest');
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}
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else emit(new DelimToken(0x23)) && switchto('data') && reconsume();
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break;
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case "hash-rest":
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if(namechar(code)) currtoken.append(code);
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && emit(new DelimToken(0x23)) && switchto("data") && reconsume();
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else currtoken.append(consumeEscape());
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}
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else emit() && switchto('data') && reconsume();
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break;
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case "comment":
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if(code == 0x2a) {
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if(next() == 0x2f) consume() && switchto('data');
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else donothing();
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}
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else if(eof()) parseerror() && switchto('data') && reconsume();
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else donothing();
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break;
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case "at-keyword":
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if(code == 0x2d) {
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if(namestartchar(next())) consume() && create(new AtKeywordToken([0x40,code])) && switchto('at-keyword-rest');
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else emit(new DelimToken(0x40)) && switchto('data') && reconsume();
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}
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else if(namestartchar(code)) create(new AtKeywordToken(code)) && switchto('at-keyword-rest');
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && emit(new DelimToken(0x23)) && switchto("data") && reconsume();
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else create(new AtKeywordToken(consumeEscape())) && switchto('at-keyword-rest');
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}
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else emit(new DelimToken(0x40)) && switchto('data') && reconsume();
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break;
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case "at-keyword-rest":
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if(namechar(code)) currtoken.append(code);
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && emit() && switchto("data") && reconsume();
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else currtoken.append(consumeEscape());
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}
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else emit() && switchto('data') && reconsume();
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break;
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case "identifier":
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if(code == 0x2d) {
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if(namestartchar(next())) create(new IdentifierToken(code)) && switchto('identifier-rest');
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else switchto('data') && reconsume();
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}
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else if(namestartchar(code)) create(new IdentifierToken(code)) && switchto('identifier-rest');
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && switchto("data") && reconsume();
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else create(new IdentifierToken(consumeEscape())) && switchto('identifier-rest');
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}
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else switchto('data') && reconsume();
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break;
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case "identifier-rest":
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if(namechar(code)) currtoken.append(code);
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && emit() && switchto("data") && reconsume();
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else currtoken.append(consumeEscape());
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}
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else if(code == 0x28) emit(new FunctionToken(currtoken)) && switchto('data');
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else if(whitespace(code) && options.transformFunctionWhitespace) switchto('transform-function-whitespace');
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else emit() && switchto('data') && reconsume();
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break;
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case "transform-function-whitespace":
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if(whitespace(code)) donothing();
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else if(code == 0x28) emit(new FunctionToken(currtoken)) && switchto('data');
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else emit() && switchto('data') && reconsume();
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break;
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case "number":
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create(new NumberToken());
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if(code == 0x2d) {
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if(digit(next())) consume() && currtoken.append([0x2d,code]) && switchto('number-rest');
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else if(next(1) == 0x2e && digit(next(2))) consume(2) && currtoken.append([0x2d,0x2e,code]) && switchto('number-fraction');
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else switchto('data') && reconsume();
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}
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else if(code == 0x2b) {
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if(digit(next())) consume() && currtoken.append([0x2b,code]) && switchto('number-rest');
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else if(next(1) == 0x2e && digit(next(2))) consume(2) && currtoken.append([0x2b,0x2e,code]) && switchto('number-fraction');
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else switchto('data') && reconsume();
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}
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else if(digit(code)) currtoken.append(code) && switchto('number-rest');
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else if(code == 0x2e) {
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if(digit(next())) consume() && currtoken.append([0x2e,code]) && switchto('number-fraction');
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else switchto('data') && reconsume();
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}
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else switchto('data') && reconsume();
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break;
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case "number-rest":
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if(digit(code)) currtoken.append(code);
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else if(code == 0x2e) {
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if(digit(next())) consume() && currtoken.append([0x2e,code]) && switchto('number-fraction');
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else emit() && switchto('data') && reconsume();
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}
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else if(code == 0x25) emit(new PercentageToken(currtoken)) && switchto('data') && reconsume();
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else if(code == 0x45 || code == 0x65) {
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if(!options.scientificNotation) create(new DimensionToken(currtoken,code)) && switchto('dimension');
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else if(digit(next())) consume() && currtoken.append([0x25,code]) && switchto('sci-notation');
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else if((next(1) == 0x2b || next(1) == 0x2d) && digit(next(2))) currtoken.append([0x25,next(1),next(2)]) && consume(2) && switchto('sci-notation');
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else create(new DimensionToken(currtoken,code)) && switchto('dimension');
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}
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else if(code == 0x2d) {
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if(namestartchar(next())) consume() && create(new DimensionToken(currtoken,[0x2d,code])) && switchto('dimension');
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else if(next(1) == 0x5c && badescape(next(2))) parseerror() && emit() && switchto('data') && reconsume();
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else if(next(1) == 0x5c) consume() && create(new DimensionToken(currtoken, [0x2d,consumeEscape()])) && switchto('dimension');
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else emit() && switchto('data') && reconsume();
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}
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else if(namestartchar(code)) create(new DimensionToken(currtoken, code)) && switchto('dimension');
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else if(code == 0x5c) {
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if(badescape(next)) emit() && switchto('data') && reconsume();
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else create(new DimensionToken(currtoken,consumeEscape)) && switchto('dimension');
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}
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else emit() && switchto('data') && reconsume();
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break;
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case "number-fraction":
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currtoken.type = "number";
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if(digit(code)) currtoken.append(code);
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else if(code == 0x2e) emit() && switchto('data') && reconsume();
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else if(code == 0x25) emit(new PercentageToken(currtoken)) && switchto('data') && reconsume();
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else if(code == 0x45 || code == 0x65) {
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if(!options.scientificNotation) create(new DimensionToken(currtoken,code)) && switchto('dimension');
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else if(digit(next())) consume() && currtoken.append([0x25,code]) && switchto('sci-notation');
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else if((next(1) == 0x2b || next(1) == 0x2d) && digit(next(2))) currtoken.append([0x25,next(1),next(2)]) && consume(2) && switchto('sci-notation');
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else create(new DimensionToken(currtoken,code)) && switchto('dimension');
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}
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else if(code == 0x2d) {
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if(namestartchar(next())) consume() && create(new DimensionToken(currtoken,[0x2d,code])) && switchto('dimension');
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else if(next(1) == 0x5c && badescape(next(2))) parseerror() && emit() && switchto('data') && reconsume();
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else if(next(1) == 0x5c) consume() && create(new DimensionToken(currtoken, [0x2d,consumeEscape()])) && switchto('dimension');
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else emit() && switchto('data') && reconsume();
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}
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else if(namestartchar(code)) create(new DimensionToken(currtoken, code)) && switchto('dimension');
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else if(code == 0x5c) {
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if(badescape(next)) emit() && switchto('data') && reconsume();
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else create(new DimensionToken(currtoken,consumeEscape)) && switchto('dimension');
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}
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else emit() && switchto('data') && reconsume();
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break;
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case "dimension":
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if(namechar(code)) currtoken.append(code);
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else if(code == 0x5c) {
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if(badescape(next())) parseerror() && emit() && switchto('data') && reconsume();
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else currtoken.append(consumeEscape());
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}
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else emit() && switchto('data') && reconsume();
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break;
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case "sci-notation":
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if(digit(code)) currtoken.append(code);
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else emit() && switchto('data') && reconsume();
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break;
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case "url":
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if(code == 0x22) switchto('url-double-quote');
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else if(code == 0x27) switchto('url-single-quote');
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else if(code == 0x29) emit(new URLToken) && switchto('data');
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else if(whitespace(code)) donothing();
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else switchto('url-unquoted') && reconsume();
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break;
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case "url-double-quote":
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if(currtoken == undefined) create(new URLToken);
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if(code == 0x22) switchto('url-end');
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else if(newline(code)) parseerror() && switchto('bad-url');
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else if(code == 0x5c) {
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if(newline(next())) consume();
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else if(badescape(next())) parseerror() && emit(new BadURLToken) && switchto('data') && reconsume();
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else currtoken.append(consumeEscape());
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}
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else currtoken.append(code);
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break;
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case "url-single-quote":
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if(currtoken == undefined) create(new URLToken);
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if(code == 0x27) switchto('url-end');
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else if(newline(code)) parseerror() && switchto('bad-url');
|
|
else if(code == 0x5c) {
|
|
if(newline(next())) consume();
|
|
else if(badescape(next())) parseerror() && emit(new BadURLToken) && switchto('data') && reconsume();
|
|
else currtoken.append(consumeEscape());
|
|
}
|
|
else currtoken.append(code);
|
|
break;
|
|
|
|
case "url-end":
|
|
if(whitespace(code)) donothing();
|
|
else if(code == 0x29) emit() && switchto('data');
|
|
else parseerror() && switchto('bad-url') && reconsume();
|
|
break;
|
|
|
|
case "url-unquoted":
|
|
if(currtoken == undefined) create(new URLToken);
|
|
|
|
if(whitespace(code)) switchto('url-end');
|
|
else if(code == 0x29) emit() && switchto('data');
|
|
else if(code == 0x22 || code == 0x27 || code == 0x28 || nonprintable(code)) parseerror() && switchto('bad-url');
|
|
else if(code == 0x5c) {
|
|
if(badescape(next())) parseerror() && switchto('bad-url');
|
|
else currtoken.append(consumeEscape());
|
|
}
|
|
else currtoken.append(code);
|
|
break;
|
|
|
|
case "bad-url":
|
|
if(code == 0x29) emit(new BadURLToken) && switchto('data');
|
|
else if(code == 0x5c) {
|
|
if(badescape(next())) donothing();
|
|
else consumeEscape()
|
|
}
|
|
else donothing();
|
|
break;
|
|
|
|
case "unicode-range":
|
|
// We already know that the current code is a hexdigit.
|
|
|
|
var start = [code], end = [code];
|
|
|
|
for(var total = 1; total < 6; total++) {
|
|
if(hexdigit(next())) {
|
|
consume();
|
|
start.push(code);
|
|
end.push(code);
|
|
}
|
|
else break;
|
|
}
|
|
|
|
if(next() == 0x3f) {
|
|
for(;total < 6; total++) {
|
|
if(next() == 0x3f) {
|
|
consume();
|
|
start.push("0".charCodeAt(0));
|
|
end.push("f".charCodeAt(0));
|
|
}
|
|
else break;
|
|
}
|
|
emit(new UnicodeRangeToken(start,end)) && switchto('data');
|
|
}
|
|
else if(next(1) == 0x2d && hexdigit(next(2))) {
|
|
consume();
|
|
consume();
|
|
end = [code];
|
|
for(var total = 1; total < 6; total++) {
|
|
if(hexdigit(next())) {
|
|
consume();
|
|
end.push(code);
|
|
}
|
|
else break;
|
|
}
|
|
emit(new UnicodeRangeToken(start,end)) && switchto('data');
|
|
}
|
|
else emit(new UnicodeRangeToken(start)) && switchto('data');
|
|
break;
|
|
|
|
default:
|
|
console.log("Unknown state '" + state + "'");
|
|
}
|
|
}
|
|
}
|
|
|
|
function stringFromCodeArray(arr) {
|
|
return String.fromCharCode.apply(null,arr.filter(function(e){return e;}));
|
|
}
|
|
|
|
function CSSParserToken(options) { return this; }
|
|
CSSParserToken.prototype.finish = function() { return this; }
|
|
CSSParserToken.prototype.toString = function() { return this.tokenType; }
|
|
CSSParserToken.prototype.toJSON = function() { return this.toString(); }
|
|
|
|
function BadStringToken() { return this; }
|
|
BadStringToken.prototype = new CSSParserToken;
|
|
BadStringToken.prototype.tokenType = "BADSTRING";
|
|
|
|
function BadURLToken() { return this; }
|
|
BadURLToken.prototype = new CSSParserToken;
|
|
BadURLToken.prototype.tokenType = "BADURL";
|
|
|
|
function WhitespaceToken() { return this; }
|
|
WhitespaceToken.prototype = new CSSParserToken;
|
|
WhitespaceToken.prototype.tokenType = "WHITESPACE";
|
|
WhitespaceToken.prototype.toString = function() { return "WS"; }
|
|
|
|
function CDOToken() { return this; }
|
|
CDOToken.prototype = new CSSParserToken;
|
|
CDOToken.prototype.tokenType = "CDO";
|
|
|
|
function CDCToken() { return this; }
|
|
CDCToken.prototype = new CSSParserToken;
|
|
CDCToken.prototype.tokenType = "CDC";
|
|
|
|
function ColonToken() { return this; }
|
|
ColonToken.prototype = new CSSParserToken;
|
|
ColonToken.prototype.tokenType = ":";
|
|
|
|
function SemicolonToken() { return this; }
|
|
SemicolonToken.prototype = new CSSParserToken;
|
|
SemicolonToken.prototype.tokenType = ";";
|
|
|
|
function OpenCurlyToken() { return this; }
|
|
OpenCurlyToken.prototype = new CSSParserToken;
|
|
OpenCurlyToken.prototype.tokenType = "{";
|
|
|
|
function CloseCurlyToken() { return this; }
|
|
CloseCurlyToken.prototype = new CSSParserToken;
|
|
CloseCurlyToken.prototype.tokenType = "}";
|
|
|
|
function OpenSquareToken() { return this; }
|
|
OpenSquareToken.prototype = new CSSParserToken;
|
|
OpenSquareToken.prototype.tokenType = "[";
|
|
|
|
function CloseSquareToken() { return this; }
|
|
CloseSquareToken.prototype = new CSSParserToken;
|
|
CloseSquareToken.prototype.tokenType = "]";
|
|
|
|
function OpenParenToken() { return this; }
|
|
OpenParenToken.prototype = new CSSParserToken;
|
|
OpenParenToken.prototype.tokenType = "(";
|
|
|
|
function CloseParenToken() { return this; }
|
|
CloseParenToken.prototype = new CSSParserToken;
|
|
CloseParenToken.prototype.tokenType = ")";
|
|
|
|
function EOFToken() { return this; }
|
|
EOFToken.prototype = new CSSParserToken;
|
|
EOFToken.prototype.tokenType = "EOF";
|
|
|
|
function DelimToken(code) {
|
|
this.value = String.fromCharCode(code);
|
|
return this;
|
|
}
|
|
DelimToken.prototype = new CSSParserToken;
|
|
DelimToken.prototype.tokenType = "DELIM";
|
|
DelimToken.prototype.toString = function() { return "DELIM("+this.value+")"; }
|
|
|
|
function StringValuedToken() { return this; }
|
|
StringValuedToken.prototype = new CSSParserToken;
|
|
StringValuedToken.prototype.append = function(val) {
|
|
if(val instanceof Array) {
|
|
for(var i = 0; i < val.length; i++) {
|
|
this.value.push(val[i]);
|
|
}
|
|
} else {
|
|
this.value.push(val);
|
|
}
|
|
return true;
|
|
}
|
|
StringValuedToken.prototype.finish = function() {
|
|
this.value = stringFromCodeArray(this.value);
|
|
return this;
|
|
}
|
|
|
|
function IdentifierToken(val) {
|
|
this.value = [];
|
|
this.append(val);
|
|
}
|
|
IdentifierToken.prototype = new StringValuedToken;
|
|
IdentifierToken.prototype.tokenType = "IDENT";
|
|
IdentifierToken.prototype.toString = function() { return "IDENT("+this.value+")"; }
|
|
|
|
function FunctionToken(val) {
|
|
// These are always constructed by passing an IdentifierToken
|
|
this.value = val.finish().value;
|
|
}
|
|
FunctionToken.prototype = new CSSParserToken;
|
|
FunctionToken.prototype.tokenType = "FUNCTION";
|
|
FunctionToken.prototype.toString = function() { return "FUNCTION("+this.value+")"; }
|
|
|
|
function AtKeywordToken(val) {
|
|
this.value = [];
|
|
this.append(val);
|
|
}
|
|
AtKeywordToken.prototype = new StringValuedToken;
|
|
AtKeywordToken.prototype.tokenType = "AT-KEYWORD";
|
|
AtKeywordToken.prototype.toString = function() { return "AT("+this.value+")"; }
|
|
|
|
function HashToken(val) {
|
|
this.value = [];
|
|
this.append(val);
|
|
}
|
|
HashToken.prototype = new StringValuedToken;
|
|
HashToken.prototype.tokenType = "HASH";
|
|
HashToken.prototype.toString = function() { return "HASH("+this.value+")"; }
|
|
|
|
function StringToken(val) {
|
|
this.value = [];
|
|
this.append(val);
|
|
}
|
|
StringToken.prototype = new StringValuedToken;
|
|
StringToken.prototype.tokenType = "STRING";
|
|
StringToken.prototype.toString = function() { return "\""+this.value+"\""; }
|
|
|
|
function URLToken(val) {
|
|
this.value = [];
|
|
this.append(val);
|
|
}
|
|
URLToken.prototype = new StringValuedToken;
|
|
URLToken.prototype.tokenType = "URL";
|
|
URLToken.prototype.toString = function() { return "URL("+this.value+")"; }
|
|
|
|
function NumberToken(val) {
|
|
this.value = [];
|
|
this.append(val);
|
|
this.type = "integer";
|
|
}
|
|
NumberToken.prototype = new StringValuedToken;
|
|
NumberToken.prototype.tokenType = "NUMBER";
|
|
NumberToken.prototype.toString = function() {
|
|
if(this.type == "integer")
|
|
return "INT("+this.value+")";
|
|
return "NUMBER("+this.value+")";
|
|
}
|
|
NumberToken.prototype.finish = function() {
|
|
this.repr = stringFromCodeArray(this.value);
|
|
this.value = this.repr * 1;
|
|
if(Math.abs(this.value) % 1 != 0) this.type = "number";
|
|
return this;
|
|
}
|
|
|
|
function PercentageToken(val) {
|
|
// These are always created by passing a NumberToken as val
|
|
val.finish();
|
|
this.value = val.value;
|
|
this.repr = val.repr;
|
|
}
|
|
PercentageToken.prototype = new CSSParserToken;
|
|
PercentageToken.prototype.tokenType = "PERCENTAGE";
|
|
PercentageToken.prototype.toString = function() { return "PERCENTAGE("+this.value+")"; }
|
|
|
|
function DimensionToken(val,unit) {
|
|
// These are always created by passing a NumberToken as the val
|
|
val.finish();
|
|
this.num = val.value;
|
|
this.unit = [];
|
|
this.repr = val.repr;
|
|
this.append(unit);
|
|
}
|
|
DimensionToken.prototype = new CSSParserToken;
|
|
DimensionToken.prototype.tokenType = "DIMENSION";
|
|
DimensionToken.prototype.toString = function() { return "DIM("+this.num+","+this.unit+")"; }
|
|
DimensionToken.prototype.append = function(val) {
|
|
if(val instanceof Array) {
|
|
for(var i = 0; i < val.length; i++) {
|
|
this.unit.push(val[i]);
|
|
}
|
|
} else {
|
|
this.unit.push(val);
|
|
}
|
|
return true;
|
|
}
|
|
DimensionToken.prototype.finish = function() {
|
|
this.unit = stringFromCodeArray(this.unit);
|
|
this.repr += this.unit;
|
|
return this;
|
|
}
|
|
|
|
function UnicodeRangeToken(start,end) {
|
|
// start and end are array of char codes, completely finished
|
|
start = parseInt(stringFromCodeArray(start),16);
|
|
if(end === undefined) end = start + 1;
|
|
else end = parseInt(stringFromCodeArray(end),16);
|
|
|
|
if(start > maximumallowedcodepoint) end = start;
|
|
if(end < start) end = start;
|
|
if(end > maximumallowedcodepoint) end = maximumallowedcodepoint;
|
|
|
|
this.start = start;
|
|
this.end = end;
|
|
return this;
|
|
}
|
|
UnicodeRangeToken.prototype = new CSSParserToken;
|
|
UnicodeRangeToken.prototype.tokenType = "UNICODE-RANGE";
|
|
UnicodeRangeToken.prototype.toString = function() {
|
|
if(this.start+1 == this.end)
|
|
return "UNICODE-RANGE("+this.start.toString(16).toUpperCase()+")";
|
|
if(this.start < this.end)
|
|
return "UNICODE-RANGE("+this.start.toString(16).toUpperCase()+"-"+this.end.toString(16).toUpperCase()+")";
|
|
return "UNICODE-RANGE()";
|
|
}
|
|
UnicodeRangeToken.prototype.contains = function(code) {
|
|
return code >= this.start && code < this.end;
|
|
}
|
|
|
|
|
|
// Exportation.
|
|
// TODO: also export the various tokens objects?
|
|
module.exports = tokenize;
|
|
|
|
}));
|