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Back out 2601d36dc1f1 (bug 918716) for bc test failures on a CLOSED TREE

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This commit is contained in:
Matt Brubeck
2013-10-17 15:51:10 -07:00
parent d1a76668c3
commit b132f29b65
22 changed files with 51 additions and 625 deletions
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385
toolkit/devtools/output-parser.js
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@@ -1,385 +0,0 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const {Cc, Ci, Cu} = require("chrome");
const {colorUtils} = require("devtools/css-color");
const {Services} = Cu.import("resource://gre/modules/Services.jsm", {});
const REGEX_QUOTES = /^".*?"|^".*/;
const REGEX_URL = /^url\(["']?(.+?)(?::(\d+))?["']?\)/;
const REGEX_WHITESPACE = /^\s+/;
const REGEX_FIRST_WORD_OR_CHAR = /^\w+|^./;
const REGEX_CSS_PROPERTY_VALUE = /(^[^;]+)/;
/**
* This regex matches:
* - #F00
* - #FF0000
* - hsl()
* - hsla()
* - rgb()
* - rgba()
* - color names
*/
const REGEX_ALL_COLORS = /^#[0-9a-fA-F]{3}\b|^#[0-9a-fA-F]{6}\b|^hsl\(.*?\)|^hsla\(.*?\)|^rgba?\(.*?\)|^[a-zA-Z-]+/;
loader.lazyGetter(this, "DOMUtils", function () {
return Cc["@mozilla.org/inspector/dom-utils;1"].getService(Ci.inIDOMUtils);
});
/**
* This regular expression catches all css property names with their trailing
* spaces and semicolon. This is used to ensure a value is valid for a property
* name within style="" attributes.
*/
loader.lazyGetter(this, "REGEX_ALL_CSS_PROPERTIES", function () {
let names = DOMUtils.getCSSPropertyNames();
let pattern = "^(";
for (let i = 0; i < names.length; i++) {
if (i > 0) {
pattern += "|";
}
pattern += names[i];
}
pattern += ")\\s*:\\s*";
return new RegExp(pattern);
});
/**
* This module is used to process text for output by developer tools. This means
* linking JS files with the debugger, CSS files with the style editor, JS
* functions with the debugger, placing color swatches next to colors and
* adding doorhanger previews where possible (images, angles, lengths,
* border radius, cubic-bezier etc.).
*
* Usage:
* const {devtools} = Cu.import("resource://gre/modules/devtools/Loader.jsm", {});
* const {OutputParser} = devtools.require("devtools/output-parser");
*
* let parser = new OutputParser();
*
* parser.parseCssProperty("color", "red"); // Returns document fragment.
* parser.parseHTMLAttribute("color:red; font-size: 12px;"); // Returns document
* // fragment.
*/
function OutputParser() {
this.parsed = [];
}
exports.OutputParser = OutputParser;
OutputParser.prototype = {
/**
* Parse a CSS property value given a property name.
*
* @param {String} name
* CSS Property Name
* @param {String} value
* CSS Property value
* @param {Object} [options]
* Options object. For valid options and default values see
* _mergeOptions().
* @return {DocumentFragment}
* A document fragment containing color swatches etc.
*/
parseCssProperty: function(name, value, options={}) {
options = this._mergeOptions(options);
options.cssPropertyName = name;
// Detect if "name" supports colors by checking if "papayawhip" is a valid
// value.
options.colors = this._cssPropertySupportsValue(name, "papayawhip");
return this._parse(value, options);
},
/**
* Parse a string.
*
* @param {String} value
* Text to parse.
* @param {Object} [options]
* Options object. For valid options and default values see
* _mergeOptions().
* @return {DocumentFragment}
* A document fragment containing events etc. Colors will not be
* parsed.
*/
parseHTMLAttribute: function(value, options={}) {
options = this._mergeOptions(options);
options.colors = false;
return this._parse(value, options);
},
/**
* Parse a string.
*
* @param {String} text
* Text to parse.
* @param {Object} [options]
* Options object. For valid options and default values see
* _mergeOptions().
* @return {DocumentFragment}
* A document fragment containing events etc. Colors will not be
* parsed.
*/
_parse: function(text, options={}) {
text = text.trim();
this.parsed.length = 0;
let dirty = false;
let matched = null;
let nameValueSupported = false;
let trimMatchFromStart = function(match) {
text = text.substr(match.length);
dirty = true;
matched = null;
};
while (text.length > 0) {
matched = text.match(REGEX_QUOTES);
if (matched) {
let match = matched[0];
trimMatchFromStart(match);
this._appendTextNode(match);
}
matched = text.match(REGEX_WHITESPACE);
if (matched) {
let match = matched[0];
trimMatchFromStart(match);
this._appendTextNode(match);
}
matched = text.match(REGEX_URL);
if (matched) {
let [match, url, line] = matched;
trimMatchFromStart(match);
this._appendURL(match, url, line, options);
}
// This block checks for valid name and value combinations setting
// nameValueSupported to true as appropriate.
matched = text.match(REGEX_ALL_CSS_PROPERTIES);
if (matched) {
let [match, propertyName] = matched;
trimMatchFromStart(match);
this._appendTextNode(match);
matched = text.match(REGEX_CSS_PROPERTY_VALUE);
if (matched) {
let [, value] = matched;
nameValueSupported = this._cssPropertySupportsValue(propertyName, value);
}
}
// This block should only be used for CSS properties.
// options.cssPropertyName is only set if the parse call comes from a CSS
// tool containing either a name and value or a string with valid name and
// value combinations.
if (options.cssPropertyName || (!options.cssPropertyName && nameValueSupported)) {
matched = text.match(REGEX_ALL_COLORS);
if (matched) {
let match = matched[0];
trimMatchFromStart(match);
this._appendColor(match, options);
}
nameValueSupported = false;
}
if (!dirty) {
// This test must always be last as it indicates use of an unknown
// character that needs to be removed to prevent infinite loops.
matched = text.match(REGEX_FIRST_WORD_OR_CHAR);
if (matched) {
let match = matched[0];
trimMatchFromStart(match);
this._appendTextNode(match);
nameValueSupported = false;
}
}
dirty = false;
}
return this._toDOM();
},
/**
* Check if a CSS property supports a specific value.
*
* @param {String} propertyName
* CSS Property name to check
* @param {String} propertyValue
* CSS Property value to check
*/
_cssPropertySupportsValue: function(propertyName, propertyValue) {
let autoCompleteValues = DOMUtils.getCSSValuesForProperty(propertyName);
// Detect if propertyName supports colors by checking if papayawhip is a
// valid value.
if (autoCompleteValues.indexOf("papayawhip") !== -1) {
return this._isColorValid(propertyValue);
}
// For the rest we can trust autocomplete value matches.
return autoCompleteValues.indexOf(propertyValue) !== -1;
},
/**
* Append a color to the output.
*
* @param {String} color
* Color to append
* @param {Object} [options]
* Options object. For valid options and default values see
* _mergeOptions().
*/
_appendColor: function(color, options={}) {
if (options.colors && this._isColorValid(color)) {
if (options.colorSwatchClass) {
this._appendNode("span", {
class: options.colorSwatchClass,
style: "background-color:" + color
});
}
if (options.defaultColorType) {
color = new colorUtils.CssColor(color).toString();
}
}
this._appendTextNode(color);
},
/**
* Append a URL to the output.
*
* @param {String} match
* Complete match that may include "url(xxx)""
* @param {String} url
* Actual URL
* @param {Number} line
* Line number from URL e.g. http://blah:42
* @param {Object} [options]
* Options object. For valid options and default values see
* _mergeOptions().
*/
_appendURL: function(match, url, line, options={}) {
this._appendTextNode(match);
},
/**
* Append a node to the output.
*
* @param {String} tagName
* Tag type e.g. "div"
* @param {Object} attributes
* e.g. {class: "someClass", style: "cursor:pointer"};
* @param {String} [value]
* If a value is included it will be appended as a text node inside
* the tag. This is useful e.g. for span tags.
*/
_appendNode: function(tagName, attributes, value="") {
let win = Services.appShell.hiddenDOMWindow;
let doc = win.document;
let node = doc.createElement(tagName);
let attrs = Object.getOwnPropertyNames(attributes);
for (let attr of attrs) {
node.setAttribute(attr, attributes[attr]);
}
if (value) {
let textNode = content.document.createTextNode(value);
node.appendChild(textNode);
}
this.parsed.push(node);
},
/**
* Append a text node to the output. If the previously output item was a text
* node then we append the text to that node.
*
* @param {String} text
* Text to append
*/
_appendTextNode: function(text) {
let lastItem = this.parsed[this.parsed.length - 1];
if (typeof lastItem !== "undefined" && lastItem.nodeName === "#text") {
lastItem.nodeValue += text;
} else {
let win = Services.appShell.hiddenDOMWindow;
let doc = win.document;
let textNode = doc.createTextNode(text);
this.parsed.push(textNode);
}
},
/**
* Take all output and append it into a single DocumentFragment.
*
* @return {DocumentFragment}
* Document Fragment
*/
_toDOM: function() {
let win = Services.appShell.hiddenDOMWindow;
let doc = win.document;
let frag = doc.createDocumentFragment();
for (let item of this.parsed) {
frag.appendChild(item);
}
this.parsed.length = 0;
return frag;
},
/**
* Check that a string represents a valid volor.
*
* @param {String} color
* Color to check
*/
_isColorValid: function(color) {
return new colorUtils.CssColor(color).valid;
},
/**
* Merges options objects. Default values are set here.
*
* @param {Object} overrides
* The option values to override e.g. _mergeOptions({colors: false})
*
* Valid options are:
* - colors: true // Allow processing of colors
* - defaultColorType: true // Convert colors to the default type
* // selected in the options panel.
* - colorSwatchClass: "" // The class to use for color swatches.
* - cssPropertyName: "" // Used by CSS tools. Passing in the
* // property name allows appropriate
* // processing of the property value.
* @return {Object}
* Overridden options object
*/
_mergeOptions: function(overrides) {
let defaults = {
colors: true,
defaultColorType: true,
colorSwatchClass: "",
cssPropertyName: ""
};
for (let item in overrides) {
defaults[item] = overrides[item];
}
return defaults;
},
};