Yury Delendik
13 years ago
11 changed files with 547 additions and 303 deletions
@ -0,0 +1,142 @@ |
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require('../shelljs/make'); |
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var fs = require('fs'), |
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path = require('path'), |
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vm = require('vm'); |
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/** |
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* A simple preprocessor that is based on the firefox preprocessor |
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* see (https://developer.mozilla.org/en/Build/Text_Preprocessor). The main
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* difference is that this supports a subset of the commands and it supports |
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* preproccesor commands in html style comments. |
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* Currently Supported commands: |
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* - if |
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* - else |
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* - endif |
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* - include |
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* - expand |
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*/ |
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function preprocess(inFilename, outFilename, defines) { |
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// TODO make this really read line by line.
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var lines = fs.readFileSync(inFilename).toString().split('\n'); |
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var totalLines = lines.length; |
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var out = ''; |
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var i = 0; |
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function readLine() { |
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if (i < totalLines) { |
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return lines[i++]; |
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} |
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return null; |
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} |
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var writeLine = typeof outFilename === 'function' ? outFilename : function(line) { |
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out += line + '\n'; |
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} |
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function include(file) { |
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var realPath = fs.realpathSync(inFilename); |
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var dir = path.dirname(realPath); |
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preprocess(path.join(dir, file), writeLine, defines); |
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} |
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function expand(line) { |
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line = line.replace(/__[\w]+__/g, function(variable) { |
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variable = variable.substring(2, variable.length - 2); |
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if (variable in defines) { |
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return defines[variable]; |
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} |
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return ''; |
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}); |
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writeLine(line); |
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} |
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var s, state = 0, stack = []; |
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var control = /^(?:\/\/|<!--)\s*#(if|else|endif|expand|include)(?:\s+(.*?)(?:-->)?$)?/; |
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var lineNumber = 0; |
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while ((s = readLine()) !== null) { |
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++lineNumber; |
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var m = control.exec(s); |
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if (m) { |
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switch (m[1]) { |
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case 'if': |
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stack.push(state); |
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try { |
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state = vm.runInNewContext(m[2], defines) ? 3 : 1; |
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} catch (e) { |
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console.error('Could not evalute line \'' + m[2] + '\' at ' + |
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fs.realpathSync(inFilename) + ':' + lineNumber); |
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throw e; |
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} |
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break; |
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case 'else': |
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state = state === 1 ? 3 : 2; |
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break; |
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case 'endif': |
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state = stack.pop(); |
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break; |
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case 'expand': |
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if (state === 0 || state === 3) |
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expand(m[2]); |
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break; |
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case 'include': |
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if (state === 0 || state === 3) |
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include(m[2]); |
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break; |
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} |
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} else { |
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if (state === 0) { |
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writeLine(s); |
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} else if(state === 3) { |
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writeLine(s.replace(/^\/\/|^<!--|-->/g, " ")); |
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} |
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} |
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} |
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if (state !== 0 || stack.length !== 0) |
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throw new Error('Missing endif in preprocessor.'); |
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if (typeof outFilename !== 'function') |
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fs.writeFileSync(outFilename, out); |
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} |
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exports.preprocess = preprocess; |
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/** |
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* Simplifies common build steps. |
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* @param setup |
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* .defines defines for preprocessors |
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* .copy array of arrays of source and destination pairs of files to copy |
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* .preprocess array of arrays of source and destination pairs of files |
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* run through preprocessor |
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*/ |
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function build(setup) { |
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var defines = setup.defines; |
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setup.copy.forEach(function(option) { |
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var source = option[0]; |
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var destination = option[1]; |
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cp('-R', source, destination); |
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}); |
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setup.preprocess.forEach(function(option) { |
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var sources = option[0]; |
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var destination = option[1]; |
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sources = ls('-R', sources); |
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sources.forEach(function(source) { |
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// ??? Warn if the source is wildcard and dest is file?
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var destWithFolder = destination; |
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if (test('-d', destination)) |
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destWithFolder += '/' + path.basename(source); |
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preprocess(source, destWithFolder, defines); |
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}); |
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}); |
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} |
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exports.build = build; |
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/** |
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* Merge two defines arrays. Values in the second param will override values in |
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* the first. |
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*/ |
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function merge(defaults, defines) { |
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var ret = {}; |
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for (var key in defaults) |
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ret[key] = defaults[key]; |
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for (key in defines) |
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ret[key] = defines[key]; |
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return ret; |
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} |
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exports.merge = merge; |
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@ -0,0 +1,60 @@ |
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var FirefoxCom = (function FirefoxComClosure() { |
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return { |
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/** |
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* Creates an event that the extension is listening for and will |
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* synchronously respond to. |
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* NOTE: It is reccomended to use request() instead since one day we may not |
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* be able to synchronously reply. |
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* @param {String} action The action to trigger. |
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* @param {String} data Optional data to send. |
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* @return {*} The response. |
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*/ |
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requestSync: function(action, data) { |
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var request = document.createTextNode(''); |
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request.setUserData('action', action, null); |
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request.setUserData('data', data, null); |
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request.setUserData('sync', true, null); |
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document.documentElement.appendChild(request); |
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var sender = document.createEvent('Events'); |
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sender.initEvent('pdf.js.message', true, false); |
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request.dispatchEvent(sender); |
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var response = request.getUserData('response'); |
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document.documentElement.removeChild(request); |
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return response; |
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}, |
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/** |
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* Creates an event that the extension is listening for and will |
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* asynchronously respond by calling the callback. |
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* @param {String} action The action to trigger. |
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* @param {String} data Optional data to send. |
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* @param {Function} callback Optional response callback that will be called |
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* with one data argument. |
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*/ |
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request: function(action, data, callback) { |
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var request = document.createTextNode(''); |
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request.setUserData('action', action, null); |
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request.setUserData('data', data, null); |
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request.setUserData('sync', false, null); |
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if (callback) { |
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request.setUserData('callback', callback, null); |
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document.addEventListener('pdf.js.response', function listener(event) { |
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var node = event.target, |
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callback = node.getUserData('callback'), |
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response = node.getUserData('response'); |
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document.documentElement.removeChild(node); |
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document.removeEventListener('pdf.js.response', listener, false); |
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return callback(response); |
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}, false); |
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} |
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document.documentElement.appendChild(request); |
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var sender = document.createEvent('HTMLEvents'); |
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sender.initEvent('pdf.js.message', true, false); |
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return request.dispatchEvent(sender); |
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} |
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}; |
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})(); |
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@ -0,0 +1,9 @@ |
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<!-- This snippet is used in b2g, see Makefile --> |
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<link rel="resource" type="application/l10n" href="locale.properties"/> |
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<script type="text/javascript" src="l10n.js"></script> |
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<script type="text/javascript" src="../build/pdf.js"></script> |
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<script type="text/javascript"> |
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// This specifies the location of the pdf.js file. |
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PDFJS.workerSrc = "../build/pdf.js"; |
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PDFJS.disableTextLayer = true; |
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</script> |
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