/* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is mozilla.org code. * * The Initial Developer of the Original Code is * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * emk * Daniel Glazman * L. David Baron * Boris Zbarsky * Mats Palmgren * Christian Biesinger * Jeff Walden * Jonathon Jongsma , Collabora Ltd. * Siraj Razick , Collabora Ltd. * Daniel Glazman * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ var EXPORTED_SYMBOLS = ["CssInspector"]; var CssInspector = { kINIDOMUTILS: Components.interfaces.inIDOMUtils, kINIDOMUTILS_CID: "@mozilla.org/inspector/dom-utils;1", serializeFileStyleSheet: function(aSheet, aHref) { var cssRules = aSheet.cssRules; var str = ""; for (var i = 0; i < cssRules.length; i++) { var rule = cssRules[i]; switch (rule.type) { case Components.interfaces.nsIDOMCSSRule.STYLE_RULE: { str += (i ? "\n" : "") + rule.selectorText + " {\n " + rule.style.cssText.replace( /;/g , ";\n"); str += "}\n"; } break; default: str += (i ? "\n" : "") + rule.cssText; break; } } const classes = Components.classes; const interfaces = Components.interfaces; const nsILocalFile = interfaces.nsILocalFile; const nsIFileOutputStream = interfaces.nsIFileOutputStream; const FILEOUT_CTRID = '@mozilla.org/network/file-output-stream;1'; var ios = Components.classes["@mozilla.org/network/io-service;1"] .getService(Components.interfaces.nsIIOService) var handler = ios.getProtocolHandler("file"); var fileHandler = handler.QueryInterface(Components.interfaces.nsIFileProtocolHandler); var localFile = fileHandler.getFileFromURLSpec(aHref).QueryInterface(nsILocalFile); var fileOuputStream = classes[FILEOUT_CTRID].createInstance(nsIFileOutputStream); try { fileOuputStream.init(localFile, -1, -1, 0); fileOuputStream.write(str, str.length); fileOuputStream.close(); } catch (ex) {} }, getCSSStyleRules: function(aElement, aNoInlineStyles, aDynamicPseudoClass) { var inspector = Components.classes[this.kINIDOMUTILS_CID] .getService(this.kINIDOMUTILS); var rules = inspector.getCSSStyleRules(aElement); var ruleset = []; var order = 0; var parser = new CSSParser(); for (var i = 0; i < rules.Count(); i++) { var r = rules.GetElementAt(i); var sheet = r.parentStyleSheet; while (sheet.parentStyleSheet) sheet = sheet.parentStyleSheet; if (sheet.ownerNode) { parser._init(); parser.mPreserveWS = false; parser.mPreserveComments = false; parser.mPreservedTokens = []; parser.mScanner.init(r.selectorText); var token = parser.getToken(false, false); if (token.isNotNull()) { var selector = parser.parseSelector(token, true); if (aDynamicPseudoClass) { // find the last sequence of simple selectors var match = r.selectorText.match( /[^>~+\s]+/g ); var lastSequence = match ? match[match.length - 1] : r.selectorText; if (lastSequence.toLowerCase().indexOf(":" + aDynamicPseudoClass) == -1) { // throw away if it's not matching the dynamic pseudo-class selector = null; } } if (selector) { ruleset.push( { rule: r, specificity: selector.specificity, order: order++}); } } } } if (!aNoInlineStyles) // don't forget the style attribute ruleset.push( { rule: aElement, specificity: {a:1, b:0, c:0, d:0}, order: order }); return ruleset; }, findLastRuleInRulesetForSelector: function(aRuleset, aSelectorText) { for (var i = aRuleset.length - 1 ; i >= 0; i--) if (aRuleset[i].rule.selectorText == aSelectorText) return aRuleset[i].rule; return null; }, findRuleForProperty: function(aRuleSet, aProperty) { function filterByProperty(element, index, array) { return (element.rule.style.getPropertyValue(aProperty) != ""); } var rulesetForProperty = aRuleSet.filter(filterByProperty); function CascadeRules(aRule1, aRule2) { var s1 = aRule1.specificity; var s2 = aRule2.specificity; var order1 = aRule1.order; var order2 = aRule2.order; var priority1 = aRule1.rule.style.getPropertyPriority(aProperty); var priority2 = aRule2.rule.style.getPropertyPriority(aProperty); if (priority1 < priority2) return -1; if (priority1 > priority2) return +1; // at this point, priorities are the same if (s1.a > s2.a || (s1.a == s2.a && s1.b > s2.b) || (s1.a == s2.a && s1.b == s2.b && s1.c > s2.c) || (s1.a == s2.a && s1.b == s2.b && s1.c == s2.c && s1.d > s2.d)) return +1; if (s2.a > s2.a || (s2.a == s1.a && s2.b > s1.b) || (s2.a == s1.a && s2.b == s1.b && s2.c > s1.c) || (s2.a == s1.a && s2.b == s1.b && s2.c == s1.c && s2.d > s1.d)) return -1; // at this point, same priority and same specificity if (order1 < order2) return -1; if (order1 > order2) return +1; return 0; // should never happen } if (rulesetForProperty.length) { rulesetForProperty.sort(CascadeRules); rulesetForProperty[rulesetForProperty.length - 1].priority = rulesetForProperty[rulesetForProperty.length - 1].rule.style.getPropertyPriority(aProperty); return rulesetForProperty[rulesetForProperty.length - 1]; } return null; }, getCascadedValue: function(aRuleSet, aProperty) { var r = this.findRuleForProperty(aRuleSet, aProperty); if (r && r.rule) return r.rule.style.getPropertyValue(aProperty); return ""; }, parseColorStop: function(parser, token) { var color = parser.parseColor(token); var position = ""; if (!color) return null; token = parser.getToken(true, true); if (token.isPercentage() || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt")) { position = token.value; token = parser.getToken(true, true); } return { color: color, position: position } }, parseGradient: function (parser, token) { var isRadial = false; var gradient = {}; if (token.isNotNull()) { if (token.isFunction("-moz-linear-gradient(") || token.isFunction("-moz-radial-gradient(")) { if (token.isFunction("-moz-radial-gradient(")) { gradient.isRadial = true; } token = parser.getToken(true, true); var haveGradientLine = false; if (token.isPercentage() || token.isDimensionOfUnit("deg") || token.isDimensionOfUnit("rad") || token.isDimensionOfUnit("grad") || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt") || token.isNumber()) haveGradientLine = true; else if (token.isIdent("top") || token.isIdent("center") || token.isIdent("bottom") || token.isIdent("left") || token.isIdent("right")) haveGradientLine = true; haveAngle = false; if (haveGradientLine) { if (token.isDimensionOfUnit("deg") || token.isDimensionOfUnit("rad") || token.isDimensionOfUnit("grad")) { // we have an angle here gradient.angle = token.value; haveAngle = true; token = parser.getToken(true, true); } if (!haveAngle || !token.isSymbol(",")) { // we already know it's a percentage, a length, a number or a position kw gradient.position = token.value; token = parser.getToken(true, true); if (token.isPercentage() || token.isDimensionOfUnit("deg") || token.isDimensionOfUnit("rad") || token.isDimensionOfUnit("grad") || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt") || token.isNumber() || token.isIdent("top") || token.isIdent("center") || token.isIdent("bottom")) { // second position gradient.position += " " + token.value; // we can still have an angle :-( var token = parser.getToken(true, true); if (token.isDimensionOfUnit("deg") || token.isDimensionOfUnit("rad") || token.isDimensionOfUnit("grad")) { // we have an angle here gradient.angle = token.value; haveAngle = true; token = parser.getToken(true, true); } } } // we must find a comma here if (!token.isSymbol(",")) return null; token = parser.getToken(true, true); } // ok... Let's deal with the rest now if (gradient.isRadial) { if (token.isIdent("circle") || token.isIdent("ellipse")) { gradient.shape = token.value; token = parser.getToken(true, true); } if (token.isIdent("closest-side") || token.isIdent("closest-corner") || token.isIdent("farthest-side") || token.isIdent("farthest-corner") || token.isIdent("contain") || token.isIdent("cover")) { gradient.size = token.value; token = parser.getToken(true, true); } if (!("shape" in gradient) && (token.isIdent("circle") || token.isIdent("ellipse"))) { // we can still have the second value... gradient.shape = token.value; token = parser.getToken(true, true); } if ((("shape" in gradient) || ("size" in gradient)) && !token.isSymbol(",")) return null; else if (("shape" in gradient) || ("size" in gradient)) token = parser.getToken(true, true); } // now color stops... var stop1 = this.parseColorStop(parser, token); if (!stop1) return null; token = parser.currentToken(); if (!token.isSymbol(",")) return null; token = parser.getToken(true, true); var stop2 = this.parseColorStop(parser, token); if (!stop2) return null; token = parser.currentToken(); if (token.isSymbol(",")) { token = parser.getToken(true, true); } // ok we have at least two color stops gradient.stops = [stop1, stop2]; while (!token.isSymbol(")")) { var colorstop = this.parseColorStop(parser, token); if (!colorstop) return null; token = parser.currentToken(); if (!token.isSymbol(")") && !token.isSymbol(",")) return null; if (token.isSymbol(",")) token = parser.getToken(true, true); gradient.stops.push(colorstop); } return gradient; } } return null; }, parseBoxShadows: function(aString) { var parser = new CSSParser(); parser._init(); parser.mPreserveWS = false; parser.mPreserveComments = false; parser.mPreservedTokens = []; parser.mScanner.init(aString); var shadows = []; var token = parser.getToken(true, true); var color = "", blurRadius = "0px", offsetX = "0px", offsetY = "0px", spreadRadius = "0px"; var inset = false; while (token.isNotNull()) { if (token.isIdent("none")) { shadows.push( { none: true } ); token = parser.getToken(true, true); } else { if (token.isIdent('inset')) { inset = true; token = parser.getToken(true, true); } if (token.isPercentage() || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt")) { var offsetX = token.value; token = parser.getToken(true, true); } else return []; if (!inset && token.isIdent('inset')) { inset = true; token = parser.getToken(true, true); } if (token.isPercentage() || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt")) { var offsetX = token.value; token = parser.getToken(true, true); } else return []; if (!inset && token.isIdent('inset')) { inset = true; token = parser.getToken(true, true); } if (token.isPercentage() || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt")) { var blurRadius = token.value; token = parser.getToken(true, true); } if (!inset && token.isIdent('inset')) { inset = true; token = parser.getToken(true, true); } if (token.isPercentage() || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt")) { var spreadRadius = token.value; token = parser.getToken(true, true); } if (!inset && token.isIdent('inset')) { inset = true; token = parser.getToken(true, true); } if (token.isFunction("rgb(") || token.isFunction("rgba(") || token.isFunction("hsl(") || token.isFunction("hsla(") || token.isSymbol("#") || token.isIdent()) { var color = parser.parseColor(token); token = parser.getToken(true, true); } if (!inset && token.isIdent('inset')) { inset = true; token = parser.getToken(true, true); } shadows.push( { none: false, color: color, offsetX: offsetX, offsetY: offsetY, blurRadius: blurRadius, spreadRadius: spreadRadius } ); if (token.isSymbol(",")) { inset = false; color = ""; blurRadius = "0px"; spreadRadius = "0px" offsetX = "0px"; offsetY = "0px"; token = parser.getToken(true, true); } else if (!token.isNotNull()) return shadows; else return []; } } return shadows; }, parseTextShadows: function(aString) { var parser = new CSSParser(); parser._init(); parser.mPreserveWS = false; parser.mPreserveComments = false; parser.mPreservedTokens = []; parser.mScanner.init(aString); var shadows = []; var token = parser.getToken(true, true); var color = "", blurRadius = "0px", offsetX = "0px", offsetY = "0px"; while (token.isNotNull()) { if (token.isIdent("none")) { shadows.push( { none: true } ); token = parser.getToken(true, true); } else { if (token.isFunction("rgb(") || token.isFunction("rgba(") || token.isFunction("hsl(") || token.isFunction("hsla(") || token.isSymbol("#") || token.isIdent()) { var color = parser.parseColor(token); token = parser.getToken(true, true); } if (token.isPercentage() || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt")) { var offsetX = token.value; token = parser.getToken(true, true); } else return []; if (token.isPercentage() || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt")) { var offsetY = token.value; token = parser.getToken(true, true); } else return []; if (token.isPercentage() || token.isDimensionOfUnit("cm") || token.isDimensionOfUnit("mm") || token.isDimensionOfUnit("in") || token.isDimensionOfUnit("pc") || token.isDimensionOfUnit("px") || token.isDimensionOfUnit("em") || token.isDimensionOfUnit("ex") || token.isDimensionOfUnit("pt")) { var blurRadius = token.value; token = parser.getToken(true, true); } if (!color && (token.isFunction("rgb(") || token.isFunction("rgba(") || token.isFunction("hsl(") || token.isFunction("hsla(") || token.isSymbol("#") || token.isIdent())) { var color = parser.parseColor(token); token = parser.getToken(true, true); } shadows.push( { none: false, color: color, offsetX: offsetX, offsetY: offsetY, blurRadius: blurRadius } ); if (token.isSymbol(",")) { color = ""; blurRadius = "0px"; offsetX = "0px"; offsetY = "0px"; token = parser.getToken(true, true); } else if (!token.isNotNull()) return shadows; else return []; } } return shadows; }, parseBackgroundImages: function(aString) { var parser = new CSSParser(); parser._init(); parser.mPreserveWS = false; parser.mPreserveComments = false; parser.mPreservedTokens = []; parser.mScanner.init(aString); var backgrounds = []; var token = parser.getToken(true, true); while (token.isNotNull()) { /*if (token.isFunction("rgb(") || token.isFunction("rgba(") || token.isFunction("hsl(") || token.isFunction("hsla(") || token.isSymbol("#") || token.isIdent()) { var color = parser.parseColor(token); backgrounds.push( { type: "color", value: color }); token = parser.getToken(true, true); } else */ if (token.isFunction("url(")) { token = parser.getToken(true, true); var urlContent = parser.parseURL(token); backgrounds.push( { type: "image", value: "url(" + urlContent }); token = parser.getToken(true, true); } else if (token.isFunction("-moz-linear-gradient(") || token.isFunction("-moz-radial-gradient(")) { var gradient = this.parseGradient(parser, token); backgrounds.push( { type: gradient.isRadial ? "radial-gradient" : "linear-gradient", value: gradient }); token = parser.getToken(true, true); } else return null; if (token.isSymbol(",")) { token = parser.getToken(true, true); if (!token.isNotNull()) return null; } } return backgrounds; }, serializeGradient: function(gradient) { var s = gradient.isRadial ? "-moz-radial-gradient(" : "-moz-linear-gradient("; if (gradient.angle || gradient.position) s += (gradient.angle ? gradient.angle : "") + " " + (gradient.position ? gradient.position : "") + ", "; if (gradient.isRadial && (gradient.shape || gradient.size)) s += (gradient.shape ? gradient.shape : "") + " " + (gradient.size ? gradient.size : "") + ", "; for (var i = 0; i < gradient.stops.length; i++) { var colorstop = gradient.stops[i]; s += colorstop.color + (colorstop.position ? " " + colorstop.position : ""); if (i != gradient.stops.length -1) s += ", "; } s += ")"; return s; }, parseBorderImage: function(aString) { var parser = new CSSParser(); parser._init(); parser.mPreserveWS = false; parser.mPreserveComments = false; parser.mPreservedTokens = []; parser.mScanner.init(aString); var borderImage = {url: "", offsets: [], widths: [], sizes: []}; var token = parser.getToken(true, true); if (token.isFunction("url(")) { token = parser.getToken(true, true); var urlContent = parser.parseURL(token); if (urlContent) { borderImage.url = urlContent.substr(0, urlContent.length - 1).trim(); if ((borderImage.url[0] == '"' && borderImage.url[borderImage.url.length - 1] == '"') || (borderImage.url[0] == "'" && borderImage.url[borderImage.url.length - 1] == "'")) borderImage.url = borderImage.url.substr(1, borderImage.url.length - 2); } else return null; } else return null; token = parser.getToken(true, true); if (token.isNumber() || token.isPercentage()) borderImage.offsets.push(token.value); else return null; var i; for (i= 0; i < 3; i++) { token = parser.getToken(true, true); if (token.isNumber() || token.isPercentage()) borderImage.offsets.push(token.value); else break; } if (i == 3) token = parser.getToken(true, true); if (token.isSymbol("/")) { token = parser.getToken(true, true); if (token.isDimension() || token.isNumber("0") || (token.isIdent() && token.value in parser.kBORDER_WIDTH_NAMES)) borderImage.widths.push(token.value); else return null; for (var i = 0; i < 3; i++) { token = parser.getToken(true, true); if (token.isDimension() || token.isNumber("0") || (token.isIdent() && token.value in parser.kBORDER_WIDTH_NAMES)) borderImage.widths.push(token.value); else break; } if (i == 3) token = parser.getToken(true, true); } for (var i = 0; i < 2; i++) { if (token.isIdent("stretch") || token.isIdent("repeat") || token.isIdent("round")) borderImage.sizes.push(token.value); else if (!token.isNotNull()) return borderImage; else return null; token = parser.getToken(true, true); } if (!token.isNotNull()) return borderImage; return null; }, getWebFonts: function(aDocument) { var ss = aDocument.styleSheets; var webFonts = {}; for (var i = 0; i < ss.length; i++) { var s = ss[i]; this.findWebFontsInStylesheet(s, webFonts); } return webFonts; }, findWebFontsInStylesheet: function (aSheet, aFonts) { var rules = aSheet.cssRules; for (var j = 0; j < rules.length; j++) { var rule = rules.item(j); switch (rule.type) { case Components.interfaces.nsIDOMCSSRule.IMPORT_RULE: this.findWebFontsInStylesheet(rule.styleSheet, aFonts); break; case Components.interfaces.nsIDOMCSSRule.FONT_FACE_RULE: { var fontFace = rule.style.getPropertyValue("font-family").trim(); if ((fontFace[0] == "'" && fontFace[fontFace.length - 1] == "'") || (fontFace[0] == '"' && fontFace[fontFace.length - 1] == '"')) fontFace = fontFace.substr(1, fontFace.length - 2); aFonts[fontFace] = true; } break; default: break; } } }, parseMediaQuery: function(aString) { const kCONSTRAINTS = { "width": true, "min-width": true, "max-width": true, "height": true, "min-height": true, "max-height": true, "device-width": true, "min-device-width": true, "max-device-width": true, "device-height": true, "min-device-height": true, "max-device-height": true, "orientation": true, "aspect-ratio": true, "min-aspect-ratio": true, "max-aspect-ratio": true, "device-aspect-ratio": true, "min-device-aspect-ratio": true, "max-device-aspect-ratio": true, "color": true, "min-color": true, "max-color": true, "color-index": true, "min-color-index": true, "max-color-index": true, "monochrome": true, "min-monochrome": true, "max-monochrome": true, "resolution": true, "min-resolution": true, "max-resolution": true, "scan": true, "grid": true }; var parser = new CSSParser(); parser._init(); parser.mPreserveWS = false; parser.mPreserveComments = false; parser.mPreservedTokens = []; parser.mScanner.init(aString); var m = {amplifier: "", medium: "", constraints: []}; var token = parser.getToken(true, true); if (token.isIdent("all") || token.isIdent("aural") || token.isIdent("braille") || token.isIdent("handheld") || token.isIdent("print") || token.isIdent("projection") || token.isIdent("screen") || token.isIdent("tty") || token.isIdent("tv")) { m.medium = token.value; token = parser.getToken(true, true); } else if (token.isIdent("not") || token.isIdent("only")) { m.amplifier = token.value; token = parser.getToken(true, true); if (token.isIdent("all") || token.isIdent("aural") || token.isIdent("braille") || token.isIdent("handheld") || token.isIdent("print") || token.isIdent("projection") || token.isIdent("screen") || token.isIdent("tty") || token.isIdent("tv")) { m.medium = token.value; token = parser.getToken(true, true); } else return null; } if (m.medium) { if (!token.isNotNull()) return m; if (token.isIdent("and")) { token = parser.getToken(true, true); } else return null; } while (token.isSymbol("(")) { token = parser.getToken(true, true); if (token.isIdent() && (token.value in kCONSTRAINTS)) { var constraint = token.value; token = parser.getToken(true, true); if (token.isSymbol(":")) { token = parser.getToken(true, true); var values = []; while (!token.isSymbol(")")) { values.push(token.value); token = parser.getToken(true, true); } if (token.isSymbol(")")) { m.constraints.push({constraint: constraint, value: values}); token = parser.getToken(true, true); if (token.isNotNull()) { if (token.isIdent("and")) { token = parser.getToken(true, true); } else return null; } else return m; } else return null; } else if (token.isSymbol(")")) { m.constraints.push({constraint: constraint, value: null}); token = parser.getToken(true, true); if (token.isNotNull()) { if (token.isIdent("and")) { token = parser.getToken(true, true); } else return null; } else return m; } else return null; } else return null; } return m; } }; /************************************************************/ /************************** JSCSSP **************************/ /************************************************************/ var CSS_ESCAPE = '\\'; var IS_HEX_DIGIT = 1; var START_IDENT = 2; var IS_IDENT = 4; var IS_WHITESPACE = 8; var W = IS_WHITESPACE; var I = IS_IDENT; var S = START_IDENT; var SI = IS_IDENT|START_IDENT; var XI = IS_IDENT |IS_HEX_DIGIT; var XSI = IS_IDENT|START_IDENT|IS_HEX_DIGIT; function CSSScanner(aString) { this.init(aString); } CSSScanner.prototype = { kLexTable: [ // TAB LF FF CR 0, 0, 0, 0, 0, 0, 0, 0, 0, W, W, 0, W, W, 0, 0, // 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // SPC ! " # $ % & ' ( ) * + , - . / W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, I, 0, 0, // 0 1 2 3 4 5 6 7 8 9 : ; < = > ? XI, XI, XI, XI, XI, XI, XI, XI, XI, XI, 0, 0, 0, 0, 0, 0, // @ A B C D E F G H I J K L M N O 0, XSI,XSI,XSI,XSI,XSI,XSI,SI, SI, SI, SI, SI, SI, SI, SI, SI, // P Q R S T U V W X Y Z [ \ ] ^ _ SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, 0, S, 0, 0, SI, // ` a b c d e f g h i j k l m n o 0, XSI,XSI,XSI,XSI,XSI,XSI,SI, SI, SI, SI, SI, SI, SI, SI, SI, // p q r s t u v w x y z { | } ~ SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, 0, 0, 0, 0, 0, // 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // ¡ ¢ £ ¤ ¥ ¦ § ¨ © ª « ¬ ­ ® ¯ 0, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, // ° ± ² ³ ´ µ ¶ · ¸ ¹ º » ¼ ½ ¾ ¿ SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, // À Á Â Ã Ä Å Æ Ç È É Ê Ë Ì Í Î Ï SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, // Ð Ñ Ò Ó Ô Õ Ö × Ø Ù Ú Û Ü Ý Þ ß SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, // à á â ã ä å æ ç è é ê ë ì í î ï SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, // ð ñ ò ó ô õ ö ÷ ø ù ú û ü ý þ ÿ SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI, SI ], kHexValues: { "0": 0, "1": 1, "2": 2, "3": 3, "4": 4, "5": 5, "6": 6, "7": 7, "8": 8, "9": 9, "a": 10, "b": 11, "c": 12, "d": 13, "e": 14, "f": 15 }, mString : "", mPos : 0, mPreservedPos : [], init: function(aString) { this.mString = aString; this.mPos = 0; this.mPreservedPos = []; }, getCurrentPos: function() { return this.mPos; }, getAlreadyScanned: function() { return this.mString.substr(0, this.mPos); }, preserveState: function() { this.mPreservedPos.push(this.mPos); }, restoreState: function() { if (this.mPreservedPos.length) { this.mPos = this.mPreservedPos.pop(); } }, forgetState: function() { if (this.mPreservedPos.length) { this.mPreservedPos.pop(); } }, read: function() { if (this.mPos < this.mString.length) return this.mString.charAt(this.mPos++); return -1; }, peek: function() { if (this.mPos < this.mString.length) return this.mString.charAt(this.mPos); return -1; }, isHexDigit: function(c) { var code = c.charCodeAt(0); return (code < 256 && (this.kLexTable[code] & IS_HEX_DIGIT) != 0); }, isIdentStart: function(c) { var code = c.charCodeAt(0); return (code >= 256 || (this.kLexTable[code] & START_IDENT) != 0); }, startsWithIdent: function(aFirstChar, aSecondChar) { var code = aFirstChar.charCodeAt(0); return this.isIdentStart(aFirstChar) || (aFirstChar == "-" && this.isIdentStart(aSecondChar)); }, isIdent: function(c) { var code = c.charCodeAt(0); return (code >= 256 || (this.kLexTable[code] & IS_IDENT) != 0); }, pushback: function() { this.mPos--; }, nextHexValue: function() { var c = this.read(); if (c == -1 || !this.isHexDigit(c)) return new jscsspToken(jscsspToken.NULL_TYPE, null); var s = c; c = this.read(); while (c != -1 && this.isHexDigit(c)) { s += c; c = this.read(); } if (c != -1) this.pushback(); return new jscsspToken(jscsspToken.HEX_TYPE, s); }, gatherEscape: function() { var c = this.peek(); if (c == -1) return ""; if (this.isHexDigit(c)) { var code = 0; for (var i = 0; i < 6; i++) { c = this.read(); if (this.isHexDigit(c)) code = code * 16 + this.kHexValues[c.toLowerCase()]; else if (!this.isHexDigit(c) && !this.isWhiteSpace(c)) { this.pushback(); break; } else break; } if (i == 6) { c = this.peek(); if (this.isWhiteSpace(c)) this.read(); } return String.fromCharCode(code); } c = this.read(); if (c != "\n") return c; return ""; }, gatherIdent: function(c) { var s = ""; if (c == CSS_ESCAPE) s += this.gatherEscape(); else s += c; c = this.read(); while (c != -1 && (this.isIdent(c) || c == CSS_ESCAPE)) { if (c == CSS_ESCAPE) s += this.gatherEscape(); else s += c; c = this.read(); } if (c != -1) this.pushback(); return s; }, parseIdent: function(c) { var value = this.gatherIdent(c); var nextChar = this.peek(); if (nextChar == "(") { value += this.read(); return new jscsspToken(jscsspToken.FUNCTION_TYPE, value); } return new jscsspToken(jscsspToken.IDENT_TYPE, value); }, isDigit: function(c) { return (c >= '0') && (c <= '9'); }, parseComment: function(c) { var s = c; while ((c = this.read()) != -1) { s += c; if (c == "*") { c = this.read(); if (c == -1) break; if (c == "/") { s += c; break; } this.pushback(); } } return new jscsspToken(jscsspToken.COMMENT_TYPE, s); }, parseNumber: function(c) { var s = c; var foundDot = false; while ((c = this.read()) != -1) { if (c == ".") { if (foundDot) break; else { s += c; foundDot = true; } } else if (this.isDigit(c)) s += c; else break; } if (this.startsWithIdent(c, this.peek())) { // DIMENSION var unit = this.gatherIdent(c); s += unit; return new jscsspToken(jscsspToken.DIMENSION_TYPE, s, unit); } else if (c == "%") { s += "%"; return new jscsspToken(jscsspToken.PERCENTAGE_TYPE, s); } else if (c != -1) this.pushback(); return new jscsspToken(jscsspToken.NUMBER_TYPE, s); }, parseString: function(aStop) { var s = aStop; var previousChar = aStop; var c; while ((c = this.read()) != -1) { if (c == aStop && previousChar != CSS_ESCAPE) { s += c; break; } else if (c == CSS_ESCAPE) { c = this.peek(); if (c == -1) break; else if (c == "\n" || c == "\r" || c == "\f") { d = c; c = this.read(); // special for Opera that preserves \r\n... if (d == "\r") { c = this.peek(); if (c == "\n") c = this.read(); } } else { s += this.gatherEscape(); c = this.peek(); } } else if (c == "\n" || c == "\r" || c == "\f") { break; } else s += c; previousChar = c; } return new jscsspToken(jscsspToken.STRING_TYPE, s); }, isWhiteSpace: function(c) { var code = c.charCodeAt(0); return code < 256 && (this.kLexTable[code] & IS_WHITESPACE) != 0; }, eatWhiteSpace: function(c) { var s = c; while ((c = this.read()) != -1) { if (!this.isWhiteSpace(c)) break; s += c; } if (c != -1) this.pushback(); return s; }, parseAtKeyword: function(c) { return new jscsspToken(jscsspToken.ATRULE_TYPE, this.gatherIdent(c)); }, nextToken: function() { var c = this.read(); if (c == -1) return new jscsspToken(jscsspToken.NULL_TYPE, null); if (this.startsWithIdent(c, this.peek())) return this.parseIdent(c); if (c == '@') { var nextChar = this.read(); if (nextChar != -1) { var followingChar = this.peek(); this.pushback(); if (this.startsWithIdent(nextChar, followingChar)) return this.parseAtKeyword(c); } } if (c == "." || c == "+" || c == "-") { var nextChar = this.peek(); if (this.isDigit(nextChar)) return this.parseNumber(c); else if (nextChar == "." && c != ".") { firstChar = this.read(); var secondChar = this.peek(); this.pushback(); if (this.isDigit(secondChar)) return this.parseNumber(c); } } if (this.isDigit(c)) { return this.parseNumber(c); } if (c == "'" || c == '"') return this.parseString(c); if (this.isWhiteSpace(c)) { var s = this.eatWhiteSpace(c); return new jscsspToken(jscsspToken.WHITESPACE_TYPE, s); } if (c == "|" || c == "~" || c == "^" || c == "$" || c == "*") { var nextChar = this.read(); if (nextChar == "=") { switch (c) { case "~" : return new jscsspToken(jscsspToken.INCLUDES_TYPE, "~="); case "|" : return new jscsspToken(jscsspToken.DASHMATCH_TYPE, "|="); case "^" : return new jscsspToken(jscsspToken.BEGINSMATCH_TYPE, "="); case "$" : return new jscsspToken(jscsspToken.ENDSMATCH_TYPE, "$="); case "*" : return new jscsspToken(jscsspToken.CONTAINSMATCH_TYPE, "*="); default : break; } } else if (nextChar != -1) this.pushback(); } if (c == "/" && this.peek() == "*") return this.parseComment(c); return new jscsspToken(jscsspToken.SYMBOL_TYPE, c); } }; function CSSParser(aString) { this.mToken = null; this.mLookAhead = null; this.mScanner = new CSSScanner(aString); this.mPreserveWS = true; this.mPreserveComments = true; this.mPreservedTokens = []; this.mError = null; } CSSParser.prototype = { _init:function() { this.mToken = null; this.mLookAhead = null; }, kINHERIT: "inherit", kBORDER_WIDTH_NAMES: { "thin": true, "medium": true, "thick": true }, kBORDER_STYLE_NAMES: { "none": true, "hidden": true, "dotted": true, "dashed": true, "solid": true, "double": true, "groove": true, "ridge": true, "inset": true, "outset": true }, kCOLOR_NAMES: { "transparent": true, "black": true, "silver": true, "gray": true, "white": true, "maroon": true, "red": true, "purple": true, "fuchsia": true, "green": true, "lime": true, "olive": true, "yellow": true, "navy": true, "blue": true, "teal": true, "aqua": true, "aliceblue": true, "antiquewhite": true, "aqua": true, "aquamarine": true, "azure": true, "beige": true, "bisque": true, "black": true, "blanchedalmond": true, "blue": true, "blueviolet": true, "brown": true, "burlywood": true, "cadetblue": true, "chartreuse": true, "chocolate": true, "coral": true, "cornflowerblue": true, "cornsilk": true, "crimson": true, "cyan": true, "darkblue": true, "darkcyan": true, "darkgoldenrod": true, "darkgray": true, "darkgreen": true, "darkgrey": true, "darkkhaki": true, "darkmagenta": true, "darkolivegreen": true, "darkorange": true, "darkorchid": true, "darkred": true, "darksalmon": true, "darkseagreen": true, "darkslateblue": true, "darkslategray": true, "darkslategrey": true, "darkturquoise": true, "darkviolet": true, "deeppink": true, "deepskyblue": true, "dimgray": true, "dimgrey": true, "dodgerblue": true, "firebrick": true, "floralwhite": true, "forestgreen": true, "fuchsia": true, "gainsboro": true, "ghostwhite": true, "gold": true, "goldenrod": true, "gray": true, "green": true, "greenyellow": true, "grey": true, "honeydew": true, "hotpink": true, "indianred": true, "indigo": true, "ivory": true, "khaki": true, "lavender": true, "lavenderblush": true, "lawngreen": true, "lemonchiffon": true, "lightblue": true, "lightcoral": true, "lightcyan": true, "lightgoldenrodyellow": true, "lightgray": true, "lightgreen": true, "lightgrey": true, "lightpink": true, "lightsalmon": true, "lightseagreen": true, "lightskyblue": true, "lightslategray": true, "lightslategrey": true, "lightsteelblue": true, "lightyellow": true, "lime": true, "limegreen": true, "linen": true, "magenta": true, "maroon": true, "mediumaquamarine": true, "mediumblue": true, "mediumorchid": true, "mediumpurple": true, "mediumseagreen": true, "mediumslateblue": true, "mediumspringgreen": true, "mediumturquoise": true, "mediumvioletred": true, "midnightblue": true, "mintcream": true, "mistyrose": true, "moccasin": true, "navajowhite": true, "navy": true, "oldlace": true, "olive": true, "olivedrab": true, "orange": true, "orangered": true, "orchid": true, "palegoldenrod": true, "palegreen": true, "paleturquoise": true, "palevioletred": true, "papayawhip": true, "peachpuff": true, "peru": true, "pink": true, "plum": true, "powderblue": true, "purple": true, "red": true, "rosybrown": true, "royalblue": true, "saddlebrown": true, "salmon": true, "sandybrown": true, "seagreen": true, "seashell": true, "sienna": true, "silver": true, "skyblue": true, "slateblue": true, "slategray": true, "slategrey": true, "snow": true, "springgreen": true, "steelblue": true, "tan": true, "teal": true, "thistle": true, "tomato": true, "turquoise": true, "violet": true, "wheat": true, "white": true, "whitesmoke": true, "yellow": true, "yellowgreen": true, "activeborder": true, "activecaption": true, "appworkspace": true, "background": true, "buttonface": true, "buttonhighlight": true, "buttonshadow": true, "buttontext": true, "captiontext": true, "graytext": true, "highlight": true, "highlighttext": true, "inactiveborder": true, "inactivecaption": true, "inactivecaptiontext": true, "infobackground": true, "infotext": true, "menu": true, "menutext": true, "scrollbar": true, "threeddarkshadow": true, "threedface": true, "threedhighlight": true, "threedlightshadow": true, "threedshadow": true, "window": true, "windowframe": true, "windowtext": true }, kLIST_STYLE_TYPE_NAMES: { "decimal": true, "decimal-leading-zero": true, "lower-roman": true, "upper-roman": true, "georgian": true, "armenian": true, "lower-latin": true, "lower-alpha": true, "upper-latin": true, "upper-alpha": true, "lower-greek": true, "disc": true, "circle": true, "square": true, "none": true, /* CSS 3 */ "box": true, "check": true, "diamond": true, "hyphen": true, "lower-armenian": true, "cjk-ideographic": true, "ethiopic-numeric": true, "hebrew": true, "japanese-formal": true, "japanese-informal": true, "simp-chinese-formal": true, "simp-chinese-informal": true, "syriac": true, "tamil": true, "trad-chinese-formal": true, "trad-chinese-informal": true, "upper-armenian": true, "arabic-indic": true, "binary": true, "bengali": true, "cambodian": true, "khmer": true, "devanagari": true, "gujarati": true, "gurmukhi": true, "kannada": true, "lower-hexadecimal": true, "lao": true, "malayalam": true, "mongolian": true, "myanmar": true, "octal": true, "oriya": true, "persian": true, "urdu": true, "telugu": true, "tibetan": true, "upper-hexadecimal": true, "afar": true, "ethiopic-halehame-aa-et": true, "ethiopic-halehame-am-et": true, "amharic-abegede": true, "ehiopic-abegede-am-et": true, "cjk-earthly-branch": true, "cjk-heavenly-stem": true, "ethiopic": true, "ethiopic-abegede": true, "ethiopic-abegede-gez": true, "hangul-consonant": true, "hangul": true, "hiragana-iroha": true, "hiragana": true, "katakana-iroha": true, "katakana": true, "lower-norwegian": true, "oromo": true, "ethiopic-halehame-om-et": true, "sidama": true, "ethiopic-halehame-sid-et": true, "somali": true, "ethiopic-halehame-so-et": true, "tigre": true, "ethiopic-halehame-tig": true, "tigrinya-er-abegede": true, "ethiopic-abegede-ti-er": true, "tigrinya-et": true, "ethiopic-halehame-ti-et": true, "upper-greek": true, "asterisks": true, "footnotes": true, "circled-decimal": true, "circled-lower-latin": true, "circled-upper-latin": true, "dotted-decimal": true, "double-circled-decimal": true, "filled-circled-decimal": true, "parenthesised-decimal": true, "parenthesised-lower-latin": true }, reportError: function(aMsg) { this.mError = aMsg; }, consumeError: function() { var e = this.mError; this.mError = null; return e; }, currentToken: function() { return this.mToken; }, getHexValue: function() { this.mToken = this.mScanner.nextHexValue(); return this.mToken; }, getToken: function(aSkipWS, aSkipComment) { if (this.mLookAhead) { this.mToken = this.mLookAhead; this.mLookAhead = null; return this.mToken; } this.mToken = this.mScanner.nextToken(); while (this.mToken && ((aSkipWS && this.mToken.isWhiteSpace()) || (aSkipComment && this.mToken.isComment()))) this.mToken = this.mScanner.nextToken(); return this.mToken; }, lookAhead: function(aSkipWS, aSkipComment) { var preservedToken = this.mToken; this.mScanner.preserveState(); var token = this.getToken(aSkipWS, aSkipComment); this.mScanner.restoreState(); this.mToken = preservedToken; return token; }, ungetToken: function() { this.mLookAhead = this.mToken; }, addUnknownAtRule: function(aSheet, aString) { var currentLine = CountLF(this.mScanner.getAlreadyScanned()); var blocks = []; var token = this.getToken(false, false); while (token.isNotNull()) { aString += token.value; if (token.isSymbol(";") && !blocks.length) break; else if (token.isSymbol("{") || token.isSymbol("(") || token.isSymbol("[") || token.type == "function") { blocks.push(token.isFunction() ? "(" : token.value); } else if (token.isSymbol("}") || token.isSymbol(")") || token.isSymbol("]")) { if (blocks.length) { var ontop = blocks[blocks.length - 1]; if ((token.isSymbol("}") && ontop == "{") || (token.isSymbol(")") && ontop == "(") || (token.isSymbol("]") && ontop == "[")) { blocks.pop(); if (!blocks.length && token.isSymbol("}")) break; } } } token = this.getToken(false, false); } this.addUnknownRule(aSheet, aString, currentLine); }, addUnknownRule: function(aSheet, aString, aCurrentLine) { var errorMsg = this.consumeError(); var rule = new jscsspErrorRule(errorMsg); rule.currentLine = aCurrentLine; rule.parsedCssText = aString; rule.parentStyleSheet = aSheet; aSheet.cssRules.push(rule); }, addWhitespace: function(aSheet, aString) { var rule = new jscsspWhitespace(); rule.parsedCssText = aString; rule.parentStyleSheet = aSheet; aSheet.cssRules.push(rule); }, addComment: function(aSheet, aString) { var rule = new jscsspComment(); rule.parsedCssText = aString; rule.parentStyleSheet = aSheet; aSheet.cssRules.push(rule); }, parseCharsetRule: function(aToken, aSheet) { var s = aToken.value; var token = this.getToken(false, false); s += token.value; if (token.isWhiteSpace(" ")) { token = this.getToken(false, false); s += token.value; if (token.isString()) { var encoding = token.value; token = this.getToken(false, false); s += token.value; if (token.isSymbol(";")) { var rule = new jscsspCharsetRule(); rule.encoding = encoding; rule.parsedCssText = s; rule.parentStyleSheet = aSheet; aSheet.cssRules.push(rule); return true; } else this.reportError(kCHARSET_RULE_MISSING_SEMICOLON); } else this.reportError(kCHARSET_RULE_CHARSET_IS_STRING); } else this.reportError(kCHARSET_RULE_MISSING_WS); this.addUnknownAtRule(aSheet, s); return false; }, parseImportRule: function(aToken, aSheet) { var currentLine = CountLF(this.mScanner.getAlreadyScanned()); var s = aToken.value; this.preserveState(); var token = this.getToken(true, true); var media = []; var href = ""; if (token.isString()) { href = token.value; s += " " + href; } else if (token.isFunction("url(")) { token = this.getToken(true, true); var urlContent = this.parseURL(token); if (urlContent) { href = "url(" + urlContent; s += " " + href; } } else this.reportError(kIMPORT_RULE_MISSING_URL); if (href) { token = this.getToken(true, true); while (token.isIdent()) { s += " " + token.value; media.push(token.value); token = this.getToken(true, true); if (!token) break; if (token.isSymbol(",")) { s += ","; } else if (token.isSymbol(";")) { break; } else break; token = this.getToken(true, true); } if (!media.length) { media.push("all"); } if (token.isSymbol(";")) { s += ";" this.forgetState(); var rule = new jscsspImportRule(); rule.currentLine = currentLine; rule.parsedCssText = s; rule.href = href; rule.media = media; rule.parentStyleSheet = aSheet; aSheet.cssRules.push(rule); return true; } } this.restoreState(); this.addUnknownAtRule(aSheet, "@import"); return false; }, parseVariablesRule: function(token, aSheet) { var currentLine = CountLF(this.mScanner.getAlreadyScanned()); var s = token.value; var declarations = []; var valid = false; this.preserveState(); token = this.getToken(true, true); var media = []; var foundMedia = false; while (token.isNotNull()) { if (token.isIdent()) { foundMedia = true; s += " " + token.value; media.push(token.value); token = this.getToken(true, true); if (token.isSymbol(",")) { s += ","; } else { if (token.isSymbol("{")) this.ungetToken(); else { // error... token.type = jscsspToken.NULL_TYPE; break; } } } else if (token.isSymbol("{")) break; else if (foundMedia) { token.type = jscsspToken.NULL_TYPE; // not a media list break; } token = this.getToken(true, true); } if (token.isSymbol("{")) { s += " {"; token = this.getToken(true, true); while (true) { if (!token.isNotNull()) { valid = true; break; } if (token.isSymbol("}")) { s += "}"; valid = true; break; } else { var d = this.parseDeclaration(token, declarations, true, false, aSheet); s += ((d && declarations.length) ? " " : "") + d; } token = this.getToken(true, false); } } if (valid) { this.forgetState(); var rule = new jscsspVariablesRule(); rule.currentLine = currentLine; rule.parsedCssText = s; rule.declarations = declarations; rule.media = media; rule.parentStyleSheet = aSheet; aSheet.cssRules.push(rule) return true; } this.restoreState(); return false; }, parseNamespaceRule: function(aToken, aSheet) { var currentLine = CountLF(this.mScanner.getAlreadyScanned()); var s = aToken.value; var valid = false; this.preserveState(); var token = this.getToken(true, true); if (token.isNotNull()) { var prefix = ""; var url = ""; if (token.isIdent()) { prefix = token.value; s += " " + prefix; token = this.getToken(true, true); } if (token) { var foundURL = false; if (token.isString()) { foundURL = true; url = token.value; s += " " + url; } else if (token.isFunction("url(")) { // get a url here... token = this.getToken(true, true); var urlContent = this.parseURL(token); if (urlContent) { url += "url(" + urlContent; foundURL = true; s += " " + urlContent; } } } if (foundURL) { token = this.getToken(true, true); if (token.isSymbol(";")) { s += ";"; this.forgetState(); var rule = new jscsspNamespaceRule(); rule.currentLine = currentLine; rule.parsedCssText = s; rule.prefix = prefix; rule.url = url; rule.parentStyleSheet = aSheet; aSheet.cssRules.push(rule); return true; } } } this.restoreState(); this.addUnknownAtRule(aSheet, "@namespace"); return false; }, parseFontFaceRule: function(aToken, aSheet) { var currentLine = CountLF(this.mScanner.getAlreadyScanned()); var s = aToken.value; var valid = false; var descriptors = []; this.preserveState(); var token = this.getToken(true, true); if (token.isNotNull()) { // expecting block start if (token.isSymbol("{")) { s += " " + token.value; var token = this.getToken(true, false); while (true) { if (token.isSymbol("}")) { s += "}"; valid = true; break; } else { var d = this.parseDeclaration(token, descriptors, false, false, aSheet); s += ((d && descriptors.length) ? " " : "") + d; } token = this.getToken(true, false); } } } if (valid) { this.forgetState(); var rule = new jscsspFontFaceRule(); rule.currentLine = currentLine; rule.parsedCssText = s; rule.descriptors = descriptors; rule.parentStyleSheet = aSheet; aSheet.cssRules.push(rule) return true; } this.restoreState(); return false; }, parsePageRule: function(aToken, aSheet) { var currentLine = CountLF(this.mScanner.getAlreadyScanned()); var s = aToken.value; var valid = false; var declarations = []; this.preserveState(); var token = this.getToken(true, true); var pageSelector = ""; if (token.isSymbol(":") || token.isIdent()) { if (token.isSymbol(":")) { pageSelector = ":"; token = this.getToken(false, false); } if (token.isIdent()) { pageSelector += token.value; s += " " + pageSelector; token = this.getToken(true, true); } } if (token.isNotNull()) { // expecting block start if (token.isSymbol("{")) { s += " " + token.value; var token = this.getToken(true, false); while (true) { if (token.isSymbol("}")) { s += "}"; valid = true; break; } else { var d = this.parseDeclaration(token, declarations, true, true, aSheet); s += ((d && declarations.length) ? " " : "") + d; } token = this.getToken(true, false); } } } if (valid) { this.forgetState(); var rule = new jscsspPageRule(); rule.currentLine = currentLine; rule.parsedCssText = s; rule.pageSelector = pageSelector; rule.declarations = declarations; rule.parentStyleSheet = aSheet; aSheet.cssRules.push(rule) return true; } this.restoreState(); return false; }, parseDefaultPropertyValue: function(token, aDecl, aAcceptPriority, descriptor, aSheet) { var valueText = ""; var blocks = []; var foundPriority = false; var values = []; while (token.isNotNull()) { if ((token.isSymbol(";") || token.isSymbol("}") || token.isSymbol("!")) && !blocks.length) { if (token.isSymbol("}")) this.ungetToken(); break; } if (token.isIdent(this.kINHERIT)) { if (values.length) { return ""; } else { valueText = this.kINHERIT; var value = new jscsspVariable(kJscsspINHERIT_VALUE, aSheet); values.push(value); token = this.getToken(true, true); break; } } else if (token.isSymbol("{") || token.isSymbol("(") || token.isSymbol("[")) { blocks.push(token.value); } else if (token.isSymbol("}") || token.isSymbol("]")) { if (blocks.length) { var ontop = blocks[blocks.length - 1]; if ((token.isSymbol("}") && ontop == "{") || (token.isSymbol(")") && ontop == "(") || (token.isSymbol("]") && ontop == "[")) { blocks.pop(); } } } // XXX must find a better way to store individual values // probably a |values: []| field holding dimensions, percentages // functions, idents, numbers and symbols, in that order. if (token.isFunction()) { if (token.isFunction("var(")) { token = this.getToken(true, true); if (token.isIdent()) { var name = token.value; token = this.getToken(true, true); if (token.isSymbol(")")) { var value = new jscsspVariable(kJscsspVARIABLE_VALUE, aSheet); valueText += "var(" + name + ")"; value.name = name; values.push(value); } else return ""; } else return ""; } else { var fn = token.value; token = this.getToken(false, true); var arg = this.parseFunctionArgument(token); if (arg) { valueText += fn + arg; var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, aSheet); value.value = fn + arg; values.push(value); } else return ""; } } else if (token.isSymbol("#")) { var color = this.parseColor(token); if (color) { valueText += color; var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, aSheet); value.value = color; values.push(value); } else return ""; } else if (!token.isWhiteSpace() && !token.isSymbol(",")) { var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, aSheet); value.value = token.value; values.push(value); valueText += token.value; } else valueText += token.value; token = this.getToken(false, true); } if (values.length && valueText) { this.forgetState(); aDecl.push(this._createJscsspDeclarationFromValuesArray(descriptor, values, valueText)); return valueText; } return ""; }, parseMarginOrPaddingShorthand: function(token, aDecl, aAcceptPriority, aProperty) { var top = null; var bottom = null; var left = null; var right = null; var values = []; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!values.length && token.isIdent(this.kINHERIT)) { values.push(token.value); token = this.getToken(true, true); break; } else if (token.isDimension() || token.isNumber("0") || token.isPercentage() || token.isIdent("auto")) { values.push(token.value); } else return ""; token = this.getToken(true, true); } var count = values.length; switch (count) { case 1: top = values[0]; bottom = top; left = top; right = top; break; case 2: top = values[0]; bottom = top; left = values[1]; right = left; break; case 3: top = values[0]; left = values[1]; right = left; bottom = values[2]; break; case 4: top = values[0]; right = values[1]; bottom = values[2]; left = values[3]; break; default: return ""; } this.forgetState(); aDecl.push(this._createJscsspDeclarationFromValue(aProperty + "-top", top)); aDecl.push(this._createJscsspDeclarationFromValue(aProperty + "-right", right)); aDecl.push(this._createJscsspDeclarationFromValue(aProperty + "-bottom", bottom)); aDecl.push(this._createJscsspDeclarationFromValue(aProperty + "-left", left)); return top + " " + right + " " + bottom + " " + left; }, parseBorderColorShorthand: function(token, aDecl, aAcceptPriority) { var top = null; var bottom = null; var left = null; var right = null; var values = []; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!values.length && token.isIdent(this.kINHERIT)) { values.push(token.value); token = this.getToken(true, true); break; } else { var color = this.parseColor(token); if (color) values.push(color); else return ""; } token = this.getToken(true, true); } var count = values.length; switch (count) { case 1: top = values[0]; bottom = top; left = top; right = top; break; case 2: top = values[0]; bottom = top; left = values[1]; right = left; break; case 3: top = values[0]; left = values[1]; right = left; bottom = values[2]; break; case 4: top = values[0]; right = values[1]; bottom = values[2]; left = values[3]; break; default: return ""; } this.forgetState(); aDecl.push(this._createJscsspDeclarationFromValue("border-top-color", top)); aDecl.push(this._createJscsspDeclarationFromValue("border-right-color", right)); aDecl.push(this._createJscsspDeclarationFromValue("border-bottom-color", bottom)); aDecl.push(this._createJscsspDeclarationFromValue("border-left-color", left)); return top + " " + right + " " + bottom + " " + left; }, parseCueShorthand: function(token, declarations, aAcceptPriority) { var before = ""; var after = ""; var values = []; var values = []; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!values.length && token.isIdent(this.kINHERIT)) { values.push(token.value); } else if (token.isIdent("none")) values.push(token.value); else if (token.isFunction("url(")) { var token = this.getToken(true, true); var urlContent = this.parseURL(token); if (urlContent) values.push("url(" + urlContent); else return ""; } else return ""; token = this.getToken(true, true); } var count = values.length; switch (count) { case 1: before = values[0]; after = before; break; case 2: before = values[0]; after = values[1]; break; default: return ""; } this.forgetState(); aDecl.push(this._createJscsspDeclarationFromValue("cue-before", before)); aDecl.push(this._createJscsspDeclarationFromValue("cue-after", after)); return before + " " + after; }, parsePauseShorthand: function(token, declarations, aAcceptPriority) { var before = ""; var after = ""; var values = []; var values = []; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!values.length && token.isIdent(this.kINHERIT)) { values.push(token.value); } else if (token.isDimensionOfUnit("ms") || token.isDimensionOfUnit("s") || token.isPercentage() || token.isNumber("0")) values.push(token.value); else return ""; token = this.getToken(true, true); } var count = values.length; switch (count) { case 1: before = values[0]; after = before; break; case 2: before = values[0]; after = values[1]; break; default: return ""; } this.forgetState(); aDecl.push(this._createJscsspDeclarationFromValue("pause-before", before)); aDecl.push(this._createJscsspDeclarationFromValue("pause-after", after)); return before + " " + after; }, parseBorderWidthShorthand: function(token, aDecl, aAcceptPriority) { var top = null; var bottom = null; var left = null; var right = null; var values = []; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!values.length && token.isIdent(this.kINHERIT)) { values.push(token.value); } else if (token.isDimension() || token.isNumber("0") || (token.isIdent() && token.value in this.kBORDER_WIDTH_NAMES)) { values.push(token.value); } else return ""; token = this.getToken(true, true); } var count = values.length; switch (count) { case 1: top = values[0]; bottom = top; left = top; right = top; break; case 2: top = values[0]; bottom = top; left = values[1]; right = left; break; case 3: top = values[0]; left = values[1]; right = left; bottom = values[2]; break; case 4: top = values[0]; right = values[1]; bottom = values[2]; left = values[3]; break; default: return ""; } this.forgetState(); aDecl.push(this._createJscsspDeclarationFromValue("border-top-width", top)); aDecl.push(this._createJscsspDeclarationFromValue("border-right-width", right)); aDecl.push(this._createJscsspDeclarationFromValue("border-bottom-width", bottom)); aDecl.push(this._createJscsspDeclarationFromValue("border-left-width", left)); return top + " " + right + " " + bottom + " " + left; }, parseBorderStyleShorthand: function(token, aDecl, aAcceptPriority) { var top = null; var bottom = null; var left = null; var right = null; var values = []; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!values.length && token.isIdent(this.kINHERIT)) { values.push(token.value); } else if (token.isIdent() && token.value in this.kBORDER_STYLE_NAMES) { values.push(token.value); } else return ""; token = this.getToken(true, true); } var count = values.length; switch (count) { case 1: top = values[0]; bottom = top; left = top; right = top; break; case 2: top = values[0]; bottom = top; left = values[1]; right = left; break; case 3: top = values[0]; left = values[1]; right = left; bottom = values[2]; break; case 4: top = values[0]; right = values[1]; bottom = values[2]; left = values[3]; break; default: return ""; } this.forgetState(); aDecl.push(this._createJscsspDeclarationFromValue("border-top-style", top)); aDecl.push(this._createJscsspDeclarationFromValue("border-right-style", right)); aDecl.push(this._createJscsspDeclarationFromValue("border-bottom-style", bottom)); aDecl.push(this._createJscsspDeclarationFromValue("border-left-style", left)); return top + " " + right + " " + bottom + " " + left; }, parseBorderEdgeOrOutlineShorthand: function(token, aDecl, aAcceptPriority, aProperty) { var bWidth = null; var bStyle = null; var bColor = null; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!bWidth && !bStyle && !bColor && token.isIdent(this.kINHERIT)) { bWidth = this.kINHERIT; bStyle = this.kINHERIT; bColor = this.kINHERIT; } else if (!bWidth && (token.isDimension() || (token.isIdent() && token.value in this.kBORDER_WIDTH_NAMES) || token.isNumber("0"))) { bWidth = token.value; } else if (!bStyle && (token.isIdent() && token.value in this.kBORDER_STYLE_NAMES)) { bStyle = token.value; } else { var color = (aProperty == "outline" && token.isIdent("invert")) ? "invert" : this.parseColor(token); if (!bColor && color) bColor = color; else return ""; } token = this.getToken(true, true); } // create the declarations this.forgetState(); bWidth = bWidth ? bWidth : "medium"; bStyle = bStyle ? bStyle : "none"; bColor = bColor ? bColor : "-moz-initial"; function addPropertyToDecl(aSelf, aDecl, property, w, s, c) { aDecl.push(aSelf._createJscsspDeclarationFromValue(property + "-width", w)); aDecl.push(aSelf._createJscsspDeclarationFromValue(property + "-style", s)); aDecl.push(aSelf._createJscsspDeclarationFromValue(property + "-color", c)); } if (aProperty == "border") { addPropertyToDecl(this, aDecl, "border-top", bWidth, bStyle, bColor); addPropertyToDecl(this, aDecl, "border-right", bWidth, bStyle, bColor); addPropertyToDecl(this, aDecl, "border-bottom", bWidth, bStyle, bColor); addPropertyToDecl(this, aDecl, "border-left", bWidth, bStyle, bColor); } else addPropertyToDecl(this, aDecl, aProperty, bWidth, bStyle, bColor); return bWidth + " " + bStyle + " " + bColor; }, parseBackgroundShorthand: function(token, aDecl, aAcceptPriority) { var kHPos = {"left": true, "right": true }; var kVPos = {"top": true, "bottom": true }; var kPos = {"left": true, "right": true, "top": true, "bottom": true, "center": true}; var bgColor = null; var bgRepeat = null; var bgAttachment = null; var bgImage = null; var bgPosition = null; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!bgColor && !bgRepeat && !bgAttachment && !bgImage && !bgPosition && token.isIdent(this.kINHERIT)) { bgColor = this.kINHERIT; bgRepeat = this.kINHERIT; bgAttachment = this.kINHERIT; bgImage = this.kINHERIT; bgPosition = this.kINHERIT; } else { if (!bgAttachment && (token.isIdent("scroll") || token.isIdent("fixed"))) { bgAttachment = token.value; } else if (!bgPosition && ((token.isIdent() && token.value in kPos) || token.isDimension() || token.isNumber("0") || token.isPercentage())) { bgPosition = token.value; token = this.getToken(true, true); if (token.isDimension() || token.isNumber("0") || token.isPercentage()) { bgPosition += " " + token.value; } else if (token.isIdent() && token.value in kPos) { if ((bgPosition in kHPos && token.value in kHPos) || (bgPosition in kVPos && token.value in kVPos)) return ""; bgPosition += " " + token.value; } else { this.ungetToken(); bgPosition += " center"; } } else if (!bgRepeat && (token.isIdent("repeat") || token.isIdent("repeat-x") || token.isIdent("repeat-y") || token.isIdent("no-repeat"))) { bgRepeat = token.value; } else if (!bgImage && (token.isFunction("url(") || token.isIdent("none"))) { bgImage = token.value; if (token.isFunction("url(")) { token = this.getToken(true, true); var url = this.parseURL(token); // TODO if (url) bgImage += url; else return ""; } } else { var color = this.parseColor(token); if (!bgColor && color) bgColor = color; else return ""; } } token = this.getToken(true, true); } // create the declarations this.forgetState(); bgColor = bgColor ? bgColor : "transparent"; bgImage = bgImage ? bgImage : "none"; bgRepeat = bgRepeat ? bgRepeat : "repeat"; bgAttachment = bgAttachment ? bgAttachment : "scroll"; bgPosition = bgPosition ? bgPosition : "top left"; aDecl.push(this._createJscsspDeclarationFromValue("background-color", bgColor)); aDecl.push(this._createJscsspDeclarationFromValue("background-image", bgImage)); aDecl.push(this._createJscsspDeclarationFromValue("background-repeat", bgRepeat)); aDecl.push(this._createJscsspDeclarationFromValue("background-attachment", bgAttachment)); aDecl.push(this._createJscsspDeclarationFromValue("background-position", bgPosition)); return bgColor + " " + bgImage + " " + bgRepeat + " " + bgAttachment + " " + bgPosition; }, parseListStyleShorthand: function(token, aDecl, aAcceptPriority) { var kPosition = { "inside": true, "outside": true }; var lType = null; var lPosition = null; var lImage = null; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!lType && !lPosition && ! lImage && token.isIdent(this.kINHERIT)) { lType = this.kINHERIT; lPosition = this.kINHERIT; lImage = this.kINHERIT; } else if (!lType && (token.isIdent() && token.value in this.kLIST_STYLE_TYPE_NAMES)) { lType = token.value; } else if (!lPosition && (token.isIdent() && token.value in kPosition)) { lPosition = token.value; } else if (!lImage && token.isFunction("url")) { token = this.getToken(true, true); var urlContent = this.parseURL(token); if (urlContent) { lImage = "url(" + urlContent; } else return ""; } else if (!token.isIdent("none")) return ""; token = this.getToken(true, true); } // create the declarations this.forgetState(); lType = lType ? lType : "none"; lImage = lImage ? lImage : "none"; lPosition = lPosition ? lPosition : "outside"; aDecl.push(this._createJscsspDeclarationFromValue("list-style-type", lType)); aDecl.push(this._createJscsspDeclarationFromValue("list-style-position", lPosition)); aDecl.push(this._createJscsspDeclarationFromValue("list-style-image", lImage)); return lType + " " + lPosition + " " + lImage; }, parseFontShorthand: function(token, aDecl, aAcceptPriority) { var kStyle = {"italic": true, "oblique": true }; var kVariant = {"small-caps": true }; var kWeight = { "bold": true, "bolder": true, "lighter": true, "100": true, "200": true, "300": true, "400": true, "500": true, "600": true, "700": true, "800": true, "900": true }; var kSize = { "xx-small": true, "x-small": true, "small": true, "medium": true, "large": true, "x-large": true, "xx-large": true, "larger": true, "smaller": true }; var kValues = { "caption": true, "icon": true, "menu": true, "message-box": true, "small-caption": true, "status-bar": true }; var kFamily = { "serif": true, "sans-serif": true, "cursive": true, "fantasy": true, "monospace": true }; var fStyle = null; var fVariant = null; var fWeight = null; var fSize = null; var fLineHeight = null; var fFamily = ""; var fSystem = null; var fFamilyValues = []; var normalCount = 0; while (true) { if (!token.isNotNull()) break; if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (!fStyle && !fVariant && !fWeight && !fSize && !fLineHeight && !fFamily && !fSystem && token.isIdent(this.kINHERIT)) { fStyle = this.kINHERIT; fVariant = this.kINHERIT; fWeight = this.kINHERIT; fSize = this.kINHERIT; fLineHeight = this.kINHERIT; fFamily = this.kINHERIT; fSystem = this.kINHERIT; } else { if (!fSystem && (token.isIdent() && token.value in kValues)) { fSystem = token.value; break; } else { if (!fStyle && token.isIdent() && (token.value in kStyle)) { fStyle = token.value; } else if (!fVariant && token.isIdent() && (token.value in kVariant)) { fVariant = token.value; } else if (!fWeight && (token.isIdent() || token.isNumber()) && (token.value in kWeight)) { fWeight = token.value; } else if (!fSize && ((token.isIdent() && (token.value in kSize)) || token.isDimension() || token.isPercentage())) { fSize = token.value; var token = this.getToken(false, false); if (token.isSymbol("/")) { token = this.getToken(false, false); if (!fLineHeight && (token.isDimension() || token.isNumber() || token.isPercentage())) { fLineHeight = token.value; } else return ""; } else this.ungetToken(); } else if (token.isIdent("normal")) { normalCount++; if (normalCount > 3) return ""; } else if (!fFamily && // *MUST* be last to be tested here (token.isString() || token.isIdent())) { var lastWasComma = false; while (true) { if (!token.isNotNull()) break; else if (token.isSymbol(";") || (aAcceptPriority && token.isSymbol("!")) || token.isSymbol("}")) { this.ungetToken(); break; } else if (token.isIdent() && token.value in kFamily) { var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, null); value.value = token.value; fFamilyValues.push(value); fFamily += token.value; break; } else if (token.isString() || token.isIdent()) { var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, null); value.value = token.value; fFamilyValues.push(value); fFamily += token.value; lastWasComma = false; } else if (!lastWasComma && token.isSymbol(",")) { fFamily += ", "; lastWasComma = true; } else return ""; token = this.getToken(true, true); } } else { return ""; } } } token = this.getToken(true, true); } // create the declarations this.forgetState(); if (fSystem) { aDecl.push(this._createJscsspDeclarationFromValue("font", fSystem)); return fSystem; } fStyle = fStyle ? fStyle : "normal"; fVariant = fVariant ? fVariant : "normal"; fWeight = fWeight ? fWeight : "normal"; fSize = fSize ? fSize : "medium"; fLineHeight = fLineHeight ? fLineHeight : "normal"; fFamily = fFamily ? fFamily : "-moz-initial"; aDecl.push(this._createJscsspDeclarationFromValue("font-style", fStyle)); aDecl.push(this._createJscsspDeclarationFromValue("font-variant", fVariant)); aDecl.push(this._createJscsspDeclarationFromValue("font-weight", fWeight)); aDecl.push(this._createJscsspDeclarationFromValue("font-size", fSize)); aDecl.push(this._createJscsspDeclarationFromValue("line-height", fLineHeight)); aDecl.push(this._createJscsspDeclarationFromValuesArray("font-family", fFamilyValues, fFamily)); return fStyle + " " + fVariant + " " + fWeight + " " + fSize + "/" + fLineHeight + " " + fFamily; }, _createJscsspDeclaration: function(property, value) { var decl = new jscsspDeclaration(); decl.property = property; decl.value = this.trim11(value); decl.parsedCssText = property + ": " + value + ";"; return decl; }, _createJscsspDeclarationFromValue: function(property, valueText) { var decl = new jscsspDeclaration(); decl.property = property; var value = new jscsspVariable(kJscsspPRIMITIVE_VALUE, null); value.value = valueText; decl.values = [value]; decl.valueText = valueText; decl.parsedCssText = property + ": " + valueText + ";"; return decl; }, _createJscsspDeclarationFromValuesArray: function(property, values, valueText) { var decl = new jscsspDeclaration(); decl.property = property; decl.values = values; decl.valueText = valueText; decl.parsedCssText = property + ": " + valueText + ";"; return decl; }, parseURL: function(token) { var value = ""; if (token.isString()) { value += token.value; token = this.getToken(true, true); } else while (true) { if (!token.isNotNull()) { this.reportError(kURL_EOF); return ""; } if (token.isWhiteSpace()) { nextToken = this.lookAhead(true, true); // if next token is not a closing parenthesis, that's an error if (!nextToken.isSymbol(")")) { this.reportError(kURL_WS_INSIDE); token = this.currentToken(); break; } } if (token.isSymbol(")")) { break; } value += token.value; token = this.getToken(false, false); } if (token.isSymbol(")")) { return value + ")"; } return ""; }, parseFunctionArgument: function(token) { var value = ""; if (token.isString()) { value += token.value; token = this.getToken(true, true); } else while (true) { if (!token.isNotNull()) return ""; if (token.isSymbol(")")) { break; } value += token.value; token = this.getToken(false, false); } if (token.isSymbol(")")) return value + ")"; return ""; }, parseColor: function(token) { var color = ""; if (token.isFunction("rgb(") || token.isFunction("rgba(")) { color = token.value; var isRgba = token.isFunction("rgba(") token = this.getToken(true, true); if (!token.isNumber() && !token.isPercentage()) return ""; color += token.value; token = this.getToken(true, true); if (!token.isSymbol(",")) return ""; color += ", "; token = this.getToken(true, true); if (!token.isNumber() && !token.isPercentage()) return ""; color += token.value; token = this.getToken(true, true); if (!token.isSymbol(",")) return ""; color += ", "; token = this.getToken(true, true); if (!token.isNumber() && !token.isPercentage()) return ""; color += token.value; if (isRgba) { token = this.getToken(true, true); if (!token.isSymbol(",")) return ""; color += ", "; token = this.getToken(true, true); if (!token.isNumber()) return ""; color += token.value; } token = this.getToken(true, true); if (!token.isSymbol(")")) return ""; color += token.value; } else if (token.isFunction("hsl(") || token.isFunction("hsla(")) { color = token.value; var isHsla = token.isFunction("hsla(") token = this.getToken(true, true); if (!token.isNumber()) return ""; color += token.value; token = this.getToken(true, true); if (!token.isSymbol(",")) return ""; color += ", "; token = this.getToken(true, true); if (!token.isPercentage()) return ""; color += token.value; token = this.getToken(true, true); if (!token.isSymbol(",")) return ""; color += ", "; token = this.getToken(true, true); if (!token.isPercentage()) return ""; color += token.value; if (isHsla) { token = this.getToken(true, true); if (!token.isSymbol(",")) return ""; color += ", "; token = this.getToken(true, true); if (!token.isNumber()) return ""; color += token.value; } token = this.getToken(true, true); if (!token.isSymbol(")")) return ""; color += token.value; } else if (token.isIdent() && (token.value in this.kCOLOR_NAMES)) color = token.value; else if (token.isSymbol("#")) { token = this.getHexValue(); if (!token.isHex()) return ""; var length = token.value.length; if (length != 3 && length != 6) return ""; if (token.value.match( /[a-fA-F0-9]/g ).length != length) return ""; color = "#" + token.value; } return color; }, parseDeclaration: function(aToken, aDecl, aAcceptPriority, aExpandShorthands, aSheet) { this.preserveState(); var blocks = []; if (aToken.isIdent()) { var descriptor = aToken.value.toLowerCase(); var token = this.getToken(true, true); if (token.isSymbol(":")) { var token = this.getToken(true, true); var value = ""; var declarations = []; if (aExpandShorthands) switch (descriptor) { case "background": value = this.parseBackgroundShorthand(token, declarations, aAcceptPriority); break; case "margin": case "padding": value = this.parseMarginOrPaddingShorthand(token, declarations, aAcceptPriority, descriptor); break; case "border-color": value = this.parseBorderColorShorthand(token, declarations, aAcceptPriority); break; case "border-style": value = this.parseBorderStyleShorthand(token, declarations, aAcceptPriority); break; case "border-width": value = this.parseBorderWidthShorthand(token, declarations, aAcceptPriority); break; case "border-top": case "border-right": case "border-bottom": case "border-left": case "border": case "outline": value = this.parseBorderEdgeOrOutlineShorthand(token, declarations, aAcceptPriority, descriptor); break; case "cue": value = this.parseCueShorthand(token, declarations, aAcceptPriority); break; case "pause": value = this.parsePauseShorthand(token, declarations, aAcceptPriority); break; case "font": value = this.parseFontShorthand(token, declarations, aAcceptPriority); break; case "list-style": value = this.parseListStyleShorthand(token, declarations, aAcceptPriority); break; default: value = this.parseDefaultPropertyValue(token, declarations, aAcceptPriority, descriptor, aSheet); break; } else value = this.parseDefaultPropertyValue(token, declarations, aAcceptPriority, descriptor, aSheet); token = this.currentToken(); if (value) // no error above { var priority = false; if (token.isSymbol("!")) { token = this.getToken(true, true); if (token.isIdent("important")) { priority = true; token = this.getToken(true, true); if (token.isSymbol(";") || token.isSymbol("}")) { if (token.isSymbol("}")) this.ungetToken(); } else return ""; } else return ""; } else if (token.isNotNull() && !token.isSymbol(";") && !token.isSymbol("}")) return ""; for (var i = 0; i < declarations.length; i++) { declarations[i].priority = priority; aDecl.push(declarations[i]); } return descriptor + ": " + value + ";"; } } } else if (aToken.isComment()) { if (this.mPreserveComments) { this.forgetState(); var comment = new jscsspComment(); comment.parsedCssText = aToken.value; aDecl.push(comment); } return aToken.value; } // we have an error here, let's skip it this.restoreState(); var s = aToken.value; blocks = []; var token = this.getToken(false, false); while (token.isNotNull()) { s += token.value; if ((token.isSymbol(";") || token.isSymbol("}")) && !blocks.length) { if (token.isSymbol("}")) this.ungetToken(); break; } else if (token.isSymbol("{") || token.isSymbol("(") || token.isSymbol("[") || token.isFunction()) { blocks.push(token.isFunction() ? "(" : token.value); } else if (token.isSymbol("}") || token.isSymbol(")") || token.isSymbol("]")) { if (blocks.length) { var ontop = blocks[blocks.length - 1]; if ((token.isSymbol("}") && ontop == "{") || (token.isSymbol(")") && ontop == "(") || (token.isSymbol("]") && ontop == "[")) { blocks.pop(); } } } token = this.getToken(false, false); } return ""; }, parseMediaRule: function(aToken, aSheet) { var currentLine = CountLF(this.mScanner.getAlreadyScanned()); var s = aToken.value; var valid = false; var mediaRule = new jscsspMediaRule(); mediaRule.currentLine = currentLine; this.preserveState(); var token = this.getToken(true, true); var foundMedia = false; while (token.isNotNull()) { if (token.isIdent()) { foundMedia = true; s += " " + token.value; mediaRule.media.push(token.value); token = this.getToken(true, true); if (token.isSymbol(",")) { s += ","; } else { if (token.isSymbol("{")) this.ungetToken(); else { // error... token.type = jscsspToken.NULL_TYPE; break; } } } else if (token.isSymbol("{")) break; else if (foundMedia) { token.type = jscsspToken.NULL_TYPE; // not a media list break; } token = this.getToken(true, true); } if (token.isSymbol("{") && mediaRule.media.length) { // ok let's parse style rules now... s += " { "; token = this.getToken(true, false); while (token.isNotNull()) { if (token.isComment() && this.mPreserveComments) { s += " " + token.value; var comment = new jscsspComment(); comment.parsedCssText = token.value; mediaRule.cssRules.push(comment); } else if (token.isSymbol("}")) { valid = true; break; } else { var r = this.parseStyleRule(token, mediaRule, true); if (r) s += r; } token = this.getToken(true, false); } } if (valid) { this.forgetState(); mediaRule.parsedCssText = s; aSheet.cssRules.push(mediaRule); return true; } this.restoreState(); return false; }, trim11: function(str) { str = str.replace(/^\s+/, ''); for (var i = str.length - 1; i >= 0; i--) { if (/\S/.test( str.charAt(i) )) { // XXX charat str = str.substring(0, i + 1); break; } } return str; }, parseStyleRule: function(aToken, aOwner, aIsInsideMediaRule) { var currentLine = CountLF(this.mScanner.getAlreadyScanned()); this.preserveState(); // first let's see if we have a selector here... var selector = this.parseSelector(aToken, false); var valid = false; var declarations = []; if (selector) { selector = this.trim11(selector.selector); var s = selector; var token = this.getToken(true, true); if (token.isSymbol("{")) { s += " { "; var token = this.getToken(true, false); while (true) { if (!token.isNotNull()) { valid = true; break; } if (token.isSymbol("}")) { s += "}"; valid = true; break; } else { var d = this.parseDeclaration(token, declarations, true, true, aOwner); s += ((d && declarations.length) ? " " : "") + d; } token = this.getToken(true, false); } } } else { // selector is invalid so the whole rule is invalid with it } if (valid) { var rule = new jscsspStyleRule(); rule.currentLine = currentLine; rule.parsedCssText = s; rule.declarations = declarations; rule.mSelectorText = selector; if (aIsInsideMediaRule) rule.parentRule = aOwner; else rule.parentStyleSheet = aOwner; aOwner.cssRules.push(rule); return s; } this.restoreState(); s = this.currentToken().value; this.addUnknownAtRule(aOwner, s); return ""; }, parseSelector: function(aToken, aParseSelectorOnly) { var s = ""; var specificity = {a: 0, b: 0, c: 0, d: 0}; // CSS 2.1 section 6.4.3 var isFirstInChain = true; var token = aToken; var valid = false; var combinatorFound = false; while (true) { if (!token.isNotNull()) { if (aParseSelectorOnly) return {selector: s, specificity: specificity }; return ""; } if (!aParseSelectorOnly && token.isSymbol("{")) { // end of selector this.ungetToken(); valid = true; break; } if (token.isSymbol(",")) { // group of selectors s += token.value; isFirstInChain = true; combinatorFound = false; token = this.getToken(false, true); continue; } // now combinators and grouping... else if (!combinatorFound && (token.isWhiteSpace() || token.isSymbol(">") || token.isSymbol("+") || token.isSymbol("~"))) { if (token.isWhiteSpace()) s += " "; else s += token.value; if (token.isSymbol(">") || token.isSymbol("+") || token.isSymbol("~")) combinatorFound = true; token = this.getToken(true, true); continue; } else { var simpleSelector = this.parseSimpleSelector(token, isFirstInChain, true); if (!simpleSelector) break; // error s += simpleSelector.selector; specificity.b += simpleSelector.specificity.b; specificity.c += simpleSelector.specificity.c; specificity.d += simpleSelector.specificity.d; } isFirstInChain == false; combinatorFound = false; token = this.getToken(false, true); } if (valid) { return {selector: s, specificity: specificity }; } return ""; }, isPseudoElement: function(aIdent) { switch (aIdent) { case "first-letter": case "first-line": case "before": case "after": case "marker": return true; break; default: return false; break; } }, parseSimpleSelector: function(token, isFirstInChain, canNegate) { var s = ""; var specificity = {a: 0, b: 0, c: 0, d: 0}; // CSS 2.1 section 6.4.3 if (isFirstInChain && (token.isSymbol("*") || token.isSymbol("|") || token.isIdent())) { // type or universal selector if (token.isSymbol("*") || token.isIdent()) { // we don't know yet if it's a prefix or a universal // selector s += token.value; var isIdent = token.isIdent(); token = this.getToken(false, true); if (token.isSymbol("|")) { // it's a prefix s += token.value; token = this.getToken(false, true); if (token.isIdent() || token.isSymbol("*")) { // ok we now have a type element or universal // selector s += token.value; if (token.isIdent()) specificity.d++; } else // oops that's an error... return null; } else { this.ungetToken(); if (isIdent) specificity.d++; } } else if (token.isSymbol("|")) { s += token.value; token = this.getToken(false, true); if (token.isIdent() || token.isSymbol("*")) { s += token.value; if (token.isIdent()) specificity.d++; } else // oops that's an error return null; } } else if (token.isSymbol(".") || token.isSymbol("#")) { var isClass = token.isSymbol("."); s += token.value; token = this.getToken(false, true); if (token.isIdent()) { s += token.value; if (isClass) specificity.c++; else specificity.b++; } else return null; } else if (token.isSymbol(":")) { s += token.value; token = this.getToken(false, true); if (token.isSymbol(":")) { s += token.value; token = this.getToken(false, true); } if (token.isIdent()) { s += token.value; if (this.isPseudoElement(token.value)) specificity.d++; else specificity.c++; } else if (token.isFunction()) { s += token.value; if (token.isFunction(":not(")) { if (!canNegate) return null; token = this.getToken(true, true); var simpleSelector = this.parseSimpleSelector(token, isFirstInChain, false); if (!simpleSelector) return null; else { s += simpleSelector.selector; token = this.getToken(true, true); if (token.isSymbol(")")) s += ")"; else return null; } specificity.c++; } else { while (true) { token = this.getToken(false, true); if (token.isSymbol(")")) { s += ")"; break; } else s += token.value; } specificity.c++; } } else return null; } else if (token.isSymbol("[")) { s += "["; token = this.getToken(true, true); if (token.isIdent() || token.isSymbol("*")) { s += token.value; var nextToken = this.getToken(true, true); if (token.isSymbol("|")) { s += "|"; token = this.getToken(true, true); if (token.isIdent()) s += token.value; else return null; } else this.ungetToken(); } else if (token.isSymbol("|")) { s += "|"; token = this.getToken(true, true); if (token.isIdent()) s += token.value; else return null; } else return null; // nothing, =, *=, $=, ^=, |= token = this.getToken(true, true); if (token.isIncludes() || token.isDashmatch() || token.isBeginsmatch() || token.isEndsmatch() || token.isContainsmatch() || token.isSymbol("=")) { s += token.value; token = this.getToken(true, true); if (token.isString() || token.isIdent()) { s += token.value; token = this.getToken(true, true); } else return null; if (token.isSymbol("]")) { s += token.value; specificity.c++; } else return null; } else if (token.isSymbol("]")) { s += token.value; specificity.c++; } else return null; } else if (token.isWhiteSpace()) { var t = this.lookAhead(true, true); if (t.isSymbol('{')) return "" } if (s) return {selector: s, specificity: specificity }; return null; }, preserveState: function() { this.mPreservedTokens.push(this.currentToken()); this.mScanner.preserveState(); }, restoreState: function() { if (this.mPreservedTokens.length) { this.mScanner.restoreState(); this.mToken = this.mPreservedTokens.pop(); } }, forgetState: function() { if (this.mPreservedTokens.length) { this.mScanner.forgetState(); this.mPreservedTokens.pop(); } }, parse: function(aString, aTryToPreserveWhitespaces, aTryToPreserveComments) { if (!aString) return null; // early way out if we can this.mPreserveWS = aTryToPreserveWhitespaces; this.mPreserveComments = aTryToPreserveComments; this.mPreservedTokens = []; this.mScanner.init(aString); var sheet = new jscsspStylesheet(); // @charset can only appear at first char of the stylesheet var token = this.getToken(false, false); if (!token.isNotNull()) return; if (token.isAtRule("@charset")) { this.parseCharsetRule(token, sheet); token = this.getToken(false, false); } var foundStyleRules = false; var foundImportRules = false; var foundNameSpaceRules = false; while (true) { if (!token.isNotNull()) break; if (token.isWhiteSpace()) { if (aTryToPreserveWhitespaces) this.addWhitespace(sheet, token.value); } else if (token.isComment()) { if (this.mPreserveComments) this.addComment(sheet, token.value); } else if (token.isAtRule()) { if (token.isAtRule("@variables")) { if (!foundImportRules && !foundStyleRules) this.parseVariablesRule(token, sheet); else { this.reportError(kVARIABLES_RULE_POSITION); this.addUnknownAtRule(sheet, token.value); } } else if (token.isAtRule("@import")) { // @import rules MUST occur before all style and namespace // rules if (!foundStyleRules && !foundNameSpaceRules) foundImportRules = this.parseImportRule(token, sheet); else { this.reportError(kIMPORT_RULE_POSITION); this.addUnknownAtRule(sheet, token.value); } } else if (token.isAtRule("@namespace")) { // @namespace rules MUST occur before all style rule and // after all @import rules if (!foundStyleRules) foundNameSpaceRules = this.parseNamespaceRule(token, sheet); else { this.reportError(kNAMESPACE_RULE_POSITION); this.addUnknownAtRule(sheet, token.value); } } else if (token.isAtRule("@font-face")) { if (this.parseFontFaceRule(token, sheet)) foundStyleRules = true; else this.addUnknownAtRule(sheet, token.value); } else if (token.isAtRule("@page")) { if (this.parsePageRule(token, sheet)) foundStyleRules = true; else this.addUnknownAtRule(sheet, token.value); } else if (token.isAtRule("@media")) { if (this.parseMediaRule(token, sheet)) foundStyleRules = true; else this.addUnknownAtRule(sheet, token.value); } else if (token.isAtRule("@charset")) { this.reportError(kCHARSET_RULE_CHARSET_SOF); this.addUnknownAtRule(sheet, token.value); } else { this.reportError(kUNKNOWN_AT_RULE); this.addUnknownAtRule(sheet, token.value); } } else // plain style rules { var ruleText = this.parseStyleRule(token, sheet, false); if (ruleText) foundStyleRules = true; } token = this.getToken(false); } return sheet; } }; function jscsspToken(aType, aValue, aUnit) { this.type = aType; this.value = aValue; this.unit = aUnit; } jscsspToken.NULL_TYPE = 0; jscsspToken.WHITESPACE_TYPE = 1; jscsspToken.STRING_TYPE = 2; jscsspToken.COMMENT_TYPE = 3; jscsspToken.NUMBER_TYPE = 4; jscsspToken.IDENT_TYPE = 5; jscsspToken.FUNCTION_TYPE = 6; jscsspToken.ATRULE_TYPE = 7; jscsspToken.INCLUDES_TYPE = 8; jscsspToken.DASHMATCH_TYPE = 9; jscsspToken.BEGINSMATCH_TYPE = 10; jscsspToken.ENDSMATCH_TYPE = 11; jscsspToken.CONTAINSMATCH_TYPE = 12; jscsspToken.SYMBOL_TYPE = 13; jscsspToken.DIMENSION_TYPE = 14; jscsspToken.PERCENTAGE_TYPE = 15; jscsspToken.HEX_TYPE = 16; jscsspToken.prototype = { isNotNull: function () { return this.type; }, _isOfType: function (aType, aValue) { return (this.type == aType && (!aValue || this.value.toLowerCase() == aValue)); }, isWhiteSpace: function(w) { return this._isOfType(jscsspToken.WHITESPACE_TYPE, w); }, isString: function() { return this._isOfType(jscsspToken.STRING_TYPE); }, isComment: function() { return this._isOfType(jscsspToken.COMMENT_TYPE); }, isNumber: function(n) { return this._isOfType(jscsspToken.NUMBER_TYPE, n); }, isSymbol: function(c) { return this._isOfType(jscsspToken.SYMBOL_TYPE, c); }, isIdent: function(i) { return this._isOfType(jscsspToken.IDENT_TYPE, i); }, isFunction: function(f) { return this._isOfType(jscsspToken.FUNCTION_TYPE, f); }, isAtRule: function(a) { return this._isOfType(jscsspToken.ATRULE_TYPE, a); }, isIncludes: function() { return this._isOfType(jscsspToken.INCLUDES_TYPE); }, isDashmatch: function() { return this._isOfType(jscsspToken.DASHMATCH_TYPE); }, isBeginsmatch: function() { return this._isOfType(jscsspToken.BEGINSMATCH_TYPE); }, isEndsmatch: function() { return this._isOfType(jscsspToken.ENDSMATCH_TYPE); }, isContainsmatch: function() { return this._isOfType(jscsspToken.CONTAINSMATCH_TYPE); }, isSymbol: function(c) { return this._isOfType(jscsspToken.SYMBOL_TYPE, c); }, isDimension: function() { return this._isOfType(jscsspToken.DIMENSION_TYPE); }, isPercentage: function() { return this._isOfType(jscsspToken.PERCENTAGE_TYPE); }, isHex: function() { return this._isOfType(jscsspToken.HEX_TYPE); }, isDimensionOfUnit: function(aUnit) { return (this.isDimension() && this.unit == aUnit); } } var kJscsspUNKNOWN_RULE = 0; var kJscsspSTYLE_RULE = 1 var kJscsspCHARSET_RULE = 2; var kJscsspIMPORT_RULE = 3; var kJscsspMEDIA_RULE = 4; var kJscsspFONT_FACE_RULE = 5; var kJscsspPAGE_RULE = 6; var kJscsspVARIABLES_RULE = 7; var kJscsspNAMESPACE_RULE = 100; var kJscsspCOMMENT = 101; var kJscsspWHITE_SPACE = 102; var kJscsspSTYLE_DECLARATION = 1000; var gTABS = ""; function jscsspStylesheet() { this.cssRules = []; this.variables = {}; } jscsspStylesheet.prototype = { insertRule: function(aRule, aIndex) { try { this.cssRules.splice(aIndex, 1, aRule); } catch(e) { dump("DOMException: jscsspStylesheet.insertRule\n") } }, deleteRule: function(aIndex) { try { this.cssRules.splice(aIndex); } catch(e) { dump("DOMException: jscsspStylesheet.insertRule\n") } }, cssText: function() { var rv = ""; for (var i = 0; i < this.cssRules.length; i++) rv += this.cssRules[i].cssText() + "\n"; return rv; }, resolveVariables: function(aMedium) { function ItemFoundInArray(aArray, aItem) { for (var i = 0; i < aArray.length; i++) if (aItem == aArray[i]) return true; return false; } for (var i = 0; i < this.cssRules.length; i++) { var rule = this.cssRules[i]; if (rule.type == kJscsspSTYLE_RULE || rule.type == kJscsspIMPORT_RULE) break; else if (rule.type == kJscsspVARIABLES_RULE && (!rule.media.length || ItemFoundInArray(rule.media, aMedium))) { for (var j = 0; j < rule.declarations.length; j++) { var valueText = ""; for (var k = 0; k < rule.declarations[j].values.length; k++) valueText += (k ? " " : "") + rule.declarations[j].values[k].value; this.variables[rule.declarations[j].property] = valueText; } } } } }; /* kJscsspCHARSET_RULE */ function jscsspCharsetRule() { this.type = kJscsspCHARSET_RULE; this.encoding = null; this.parsedCssText = null; this.parentStyleSheet = null; this.parentRule = null; } jscsspCharsetRule.prototype = { cssText: function() { return "@charset " + this.encoding + ";"; }, setCssText: function(val) { var sheet = {cssRules: []}; var parser = new CSSParser(val); var token = parser.getToken(false, false); if (token.isAtRule("@charset")) { if (parser.parseCharsetRule(token, sheet)) { var newRule = sheet.cssRules[0]; this.encoding = newRule.encoding; this.parsedCssText = newRule.parsedCssText; return; } } throw DOMException.SYNTAX_ERR; } }; /* kJscsspUNKNOWN_RULE */ function jscsspErrorRule(aErrorMsg) { this.error = aErrorMsg ? aErrorMsg : "INVALID"; this.type = kJscsspUNKNOWN_RULE; this.parsedCssText = null; this.parentStyleSheet = null; this.parentRule = null; } jscsspErrorRule.prototype = { cssText: function() { return this.parsedCssText; } }; /* kJscsspCOMMENT */ function jscsspComment() { this.type = kJscsspCOMMENT; this.parsedCssText = null; this.parentStyleSheet = null; this.parentRule = null; } jscsspComment.prototype = { cssText: function() { return this.parsedCssText; }, setCssText: function(val) { var parser = new CSSParser(val); var token = parser.getToken(true, false); if (token.isComment()) this.parsedCssText = token.value; else throw DOMException.SYNTAX_ERR; } }; /* kJscsspWHITE_SPACE */ function jscsspWhitespace() { this.type = kJscsspWHITE_SPACE; this.parsedCssText = null; this.parentStyleSheet = null; this.parentRule = null; } jscsspWhitespace.prototype = { cssText: function() { return this.parsedCssText; } }; /* kJscsspIMPORT_RULE */ function jscsspImportRule() { this.type = kJscsspIMPORT_RULE; this.parsedCssText = null; this.href = null; this.media = []; this.parentStyleSheet = null; this.parentRule = null; } jscsspImportRule.prototype = { cssText: function() { var mediaString = this.media.join(", "); return "@import " + (mediaString ? mediaString + " " : "") + this.href + ";"; }, setCssText: function(val) { var sheet = {cssRules: []}; var parser = new CSSParser(val); var token = parser.getToken(true, true); if (token.isAtRule("@import")) { if (parser.parseImportRule(token, sheet)) { var newRule = sheet.cssRules[0]; this.href = newRule.href; this.media = newRule.media; this.parsedCssText = newRule.parsedCssText; return; } } throw DOMException.SYNTAX_ERR; } }; /* kJscsspNAMESPACE_RULE */ function jscsspNamespaceRule() { this.type = kJscsspNAMESPACE_RULE; this.parsedCssText = null; this.prefix = null; this.url = null; this.parentStyleSheet = null; this.parentRule = null; } jscsspNamespaceRule.prototype = { cssText: function() { return "@namespace " + (this.prefix ? this.prefix + " ": "") + this.url + ";"; }, setCssText: function(val) { var sheet = {cssRules: []}; var parser = new CSSParser(val); var token = parser.getToken(true, true); if (token.isAtRule("@namespace")) { if (parser.parseNamespaceRule(token, sheet)) { var newRule = sheet.cssRules[0]; this.url = newRule.url; this.prefix = newRule.prefix; this.parsedCssText = newRule.parsedCssText; return; } } throw DOMException.SYNTAX_ERR; } }; /* kJscsspSTYLE_DECLARATION */ function jscsspDeclaration() { this.type = kJscsspSTYLE_DECLARATION; this.property = null; this.values = []; this.valueText = null; this.priority = null; this.parsedCssText = null; this.parentStyleSheet = null; this.parentRule = null; } jscsspDeclaration.prototype = { kCOMMA_SEPARATED: { "cursor": true, "font-family": true, "voice-family": true }, cssText: function() { var rv = this.property + ": "; var separator = (this.property in this.kCOMMA_SEPARATED) ? ", " : " "; for (var i = 0; i < this.values.length; i++) if (this.values[i].cssText() != null) rv += (i ? separator : "") + this.values[i].cssText(); else return null; return rv + (this.priority ? " !important" : "") + ";"; }, setCssText: function(val) { var declarations = []; var parser = new CSSParser(val); var token = parser.getToken(true, true); if (parser.parseDeclaration(token, declarations, true, true, null) && declarations.length && declarations[0].type == kJscsspSTYLE_DECLARATION) { var newDecl = declarations.cssRules[0]; this.property = newDecl.property; this.value = newDecl.value; this.priority = newDecl.priority; this.parsedCssText = newRule.parsedCssText; return; } throw DOMException.SYNTAX_ERR; } }; /* kJscsspFONT_FACE_RULE */ function jscsspFontFaceRule() { this.type = kJscsspFONT_FACE_RULE; this.parsedCssText = null; this.descriptors = []; this.parentStyleSheet = null; this.parentRule = null; } jscsspFontFaceRule.prototype = { cssText: function() { var rv = gTABS + "@font-face {\n"; var preservedGTABS = gTABS; gTABS += " "; for (var i = 0; i < this.descriptors.length; i++) rv += gTABS + this.descriptors[i].cssText() + "\n"; gTABS = preservedGTABS; return rv + gTABS + "}"; }, setCssText: function(val) { var sheet = {cssRules: []}; var parser = new CSSParser(val); var token = parser.getToken(true, true); if (token.isAtRule("@font-face")) { if (parser.parseFontFaceRule(token, sheet)) { var newRule = sheet.cssRules[0]; this.descriptors = newRule.descriptors; this.parsedCssText = newRule.parsedCssText; return; } } throw DOMException.SYNTAX_ERR; } }; /* kJscsspMEDIA_RULE */ function jscsspMediaRule() { this.type = kJscsspMEDIA_RULE; this.parsedCssText = null; this.cssRules = []; this.media = []; this.parentStyleSheet = null; this.parentRule = null; } jscsspMediaRule.prototype = { cssText: function() { var rv = gTABS + "@media " + this.media.join(", ") + " {\n"; var preservedGTABS = gTABS; gTABS += " "; for (var i = 0; i < this.cssRules.length; i++) rv += gTABS + this.cssRules[i].cssText() + "\n"; gTABS = preservedGTABS; return rv + gTABS + "}"; }, setCssText: function(val) { var sheet = {cssRules: []}; var parser = new CSSParser(val); var token = parser.getToken(true, true); if (token.isAtRule("@media")) { if (parser.parseMediaRule(token, sheet)) { var newRule = sheet.cssRules[0]; this.cssRules = newRule.cssRules; this.media = newRule.media; this.parsedCssText = newRule.parsedCssText; return; } } throw DOMException.SYNTAX_ERR; } }; /* kJscsspSTYLE_RULE */ function jscsspStyleRule() { this.type = kJscsspSTYLE_RULE; this.parsedCssText = null; this.declarations = [] this.mSelectorText = null; this.parentStyleSheet = null; this.parentRule = null; } jscsspStyleRule.prototype = { cssText: function() { var rv = this.mSelectorText + " {\n"; var preservedGTABS = gTABS; gTABS += " "; for (var i = 0; i < this.declarations.length; i++) { var declText = this.declarations[i].cssText(); if (declText) rv += gTABS + this.declarations[i].cssText() + "\n"; } gTABS = preservedGTABS; return rv + gTABS + "}"; }, setCssText: function(val) { var sheet = {cssRules: []}; var parser = new CSSParser(val); var token = parser.getToken(true, true); if (!token.isNotNull()) { if (parser.parseStyleRule(token, sheet, false)) { var newRule = sheet.cssRules[0]; this.mSelectorText = newRule.mSelectorText; this.declarations = newRule.declarations; this.parsedCssText = newRule.parsedCssText; return; } } throw DOMException.SYNTAX_ERR; }, selectorText: function() { return this.mSelectorText; }, setSelectorText: function(val) { var parser = new CSSParser(val); var token = parser.getToken(true, true); if (!token.isNotNull()) { var s = parser.parseSelector(token, true); if (s) { this.mSelectorText = s.selector; return; } } throw DOMException.SYNTAX_ERR; } }; /* kJscsspPAGE_RULE */ function jscsspPageRule() { this.type = kJscsspPAGE_RULE; this.parsedCssText = null; this.pageSelector = null; this.declarations = []; this.parentStyleSheet = null; this.parentRule = null; } jscsspPageRule.prototype = { cssText: function() { var rv = gTABS + "@page " + (this.pageSelector ? this.pageSelector + " ": "") + "{\n"; var preservedGTABS = gTABS; gTABS += " "; for (var i = 0; i < this.declarations.length; i++) rv += gTABS + this.declarations[i].cssText() + "\n"; gTABS = preservedGTABS; return rv + gTABS + "}"; }, setCssText: function(val) { var sheet = {cssRules: []}; var parser = new CSSParser(val); var token = parser.getToken(true, true); if (token.isAtRule("@page")) { if (parser.parsePageRule(token, sheet)) { var newRule = sheet.cssRules[0]; this.pageSelector = newRule.pageSelector; this.declarations = newRule.declarations; this.parsedCssText = newRule.parsedCssText; return; } } throw DOMException.SYNTAX_ERR; } }; /* kJscsspVARIABLES_RULE */ function jscsspVariablesRule() { this.type = kJscsspVARIABLES_RULE; this.parsedCssText = null; this.declarations = []; this.parentStyleSheet = null; this.parentRule = null; this.media = null; } jscsspVariablesRule.prototype = { cssText: function() { var rv = gTABS + "@variables " + (this.media.length ? this.media.join(", ") + " " : "") + "{\n"; var preservedGTABS = gTABS; gTABS += " "; for (var i = 0; i < this.declarations.length; i++) rv += gTABS + this.declarations[i].cssText() + "\n"; gTABS = preservedGTABS; return rv + gTABS + "}"; }, setCssText: function(val) { var sheet = {cssRules: []}; var parser = new CSSParser(val); var token = parser.getToken(true, true); if (token.isAtRule("@variables")) { if (parser.parseVariablesRule(token, sheet)) { var newRule = sheet.cssRules[0]; this.declarations = newRule.declarations; this.parsedCssText = newRule.parsedCssText; return; } } throw DOMException.SYNTAX_ERR; } }; var kJscsspINHERIT_VALUE = 0; var kJscsspPRIMITIVE_VALUE = 1; var kJscsspVARIABLE_VALUE = 4; function jscsspVariable(aType, aSheet) { this.value = ""; this.type = aType; this.name = null; this.parentRule = null; this.parentStyleSheet = aSheet; } jscsspVariable.prototype = { cssText: function() { if (this.type == kJscsspVARIABLE_VALUE) return this.resolveVariable(this.name, this.parentRule, this.parentStyleSheet); else return this.value; }, setCssText: function(val) { if (this.type == kJscsspVARIABLE_VALUE) throw DOMException.SYNTAX_ERR; else this.value = val; }, resolveVariable: function(aName, aRule, aSheet) { if (aName.toLowerCase() in aSheet.variables) return aSheet.variables[aName.toLowerCase()]; return null; } }; function ParseURL(buffer) { var result = { }; result.protocol = ""; result.user = ""; result.password = ""; result.host = ""; result.port = ""; result.path = ""; result.query = ""; var section = "PROTOCOL"; var start = 0; var wasSlash = false; while(start < buffer.length) { if(section == "PROTOCOL") { if(buffer.charAt(start) == ':') { section = "AFTER_PROTOCOL"; start++; } else if(buffer.charAt(start) == '/' && result.protocol.length() == 0) { section = PATH; } else { result.protocol += buffer.charAt(start++); } } else if(section == "AFTER_PROTOCOL") { if(buffer.charAt(start) == '/') { if(!wasSlash) { wasSlash = true; } else { wasSlash = false; section = "USER"; } start ++; } else { throw new ParseException("Protocol shell be separated with 2 slashes"); } } else if(section == "USER") { if(buffer.charAt(start) == '/') { result.host = result.user; result.user = ""; section = "PATH"; } else if(buffer.charAt(start) == '?') { result.host = result.user; result.user = ""; section = "QUERY"; start++; } else if(buffer.charAt(start) == ':') { section = "PASSWORD"; start++; } else if(buffer.charAt(start) == '@') { section = "HOST"; start++; } else { result.user += buffer.charAt(start++); } } else if(section == "PASSWORD") { if(buffer.charAt(start) == '/') { result.host = result.user; result.port = result.password; result.user = ""; result.password = ""; section = "PATH"; } else if(buffer.charAt(start) == '?') { result.host = result.user; result.port = result.password; result.user = ""; result.password = ""; section = "QUERY"; start ++; } else if(buffer.charAt(start) == '@') { section = "HOST"; start++; } else { result.password += buffer.charAt(start++); } } else if(section == "HOST") { if(buffer.charAt(start) == '/') { section = "PATH"; } else if(buffer.charAt(start) == ':') { section = "PORT"; start++; } else if(buffer.charAt(start) == '?') { section = "QUERY"; start++; } else { result.host += buffer.charAt(start++); } } else if(section == "PORT") { if(buffer.charAt(start) = '/') { section = "PATH"; } else if(buffer.charAt(start) == '?') { section = "QUERY"; start++; } else { result.port += buffer.charAt(start++); } } else if(section == "PATH") { if(buffer.charAt(start) == '?') { section = "QUERY"; start ++; } else { result.path += buffer.charAt(start++); } } else if(section == "QUERY") { result.query += buffer.charAt(start++); } } if(section == "PROTOCOL") { result.host = result.protocol; result.protocol = "http"; } else if(section == "AFTER_PROTOCOL") { throw new ParseException("Invalid url"); } else if(section == "USER") { result.host = result.user; result.user = ""; } else if(section == "PASSWORD") { result.host = result.user; result.port = result.password; result.user = ""; result.password = ""; } return result; } function ParseException(description) { this.description = description; } function CountLF(s) { var nCR = s.match( /\n/g ); return nCR ? nCR.length + 1 : 1; }