Xavier Fung
13 years ago
14 changed files with 616 additions and 339 deletions
@ -0,0 +1,142 @@
@@ -0,0 +1,142 @@
|
||||
require('../shelljs/make'); |
||||
var fs = require('fs'), |
||||
path = require('path'), |
||||
vm = require('vm'); |
||||
|
||||
/** |
||||
* A simple preprocessor that is based on the firefox preprocessor |
||||
* see (https://developer.mozilla.org/en/Build/Text_Preprocessor). The main
|
||||
* difference is that this supports a subset of the commands and it supports |
||||
* preproccesor commands in html style comments. |
||||
* Currently Supported commands: |
||||
* - if |
||||
* - else |
||||
* - endif |
||||
* - include |
||||
* - expand |
||||
*/ |
||||
function preprocess(inFilename, outFilename, defines) { |
||||
// TODO make this really read line by line.
|
||||
var lines = fs.readFileSync(inFilename).toString().split('\n'); |
||||
var totalLines = lines.length; |
||||
var out = ''; |
||||
var i = 0; |
||||
function readLine() { |
||||
if (i < totalLines) { |
||||
return lines[i++]; |
||||
} |
||||
return null; |
||||
} |
||||
var writeLine = typeof outFilename === 'function' ? outFilename : function(line) { |
||||
out += line + '\n'; |
||||
} |
||||
function include(file) { |
||||
var realPath = fs.realpathSync(inFilename); |
||||
var dir = path.dirname(realPath); |
||||
preprocess(path.join(dir, file), writeLine, defines); |
||||
} |
||||
function expand(line) { |
||||
line = line.replace(/__[\w]+__/g, function(variable) { |
||||
variable = variable.substring(2, variable.length - 2); |
||||
if (variable in defines) { |
||||
return defines[variable]; |
||||
} |
||||
return ''; |
||||
}); |
||||
writeLine(line); |
||||
} |
||||
|
||||
var s, state = 0, stack = []; |
||||
var control = /^(?:\/\/|<!--)\s*#(if|else|endif|expand|include)(?:\s+(.*?)(?:-->)?$)?/; |
||||
var lineNumber = 0; |
||||
while ((s = readLine()) !== null) { |
||||
++lineNumber; |
||||
var m = control.exec(s); |
||||
if (m) { |
||||
switch (m[1]) { |
||||
case 'if': |
||||
stack.push(state); |
||||
try { |
||||
state = vm.runInNewContext(m[2], defines) ? 3 : 1; |
||||
} catch (e) { |
||||
console.error('Could not evalute line \'' + m[2] + '\' at ' + |
||||
fs.realpathSync(inFilename) + ':' + lineNumber); |
||||
throw e; |
||||
} |
||||
break; |
||||
case 'else': |
||||
state = state === 1 ? 3 : 2; |
||||
break; |
||||
case 'endif': |
||||
state = stack.pop(); |
||||
break; |
||||
case 'expand': |
||||
if (state === 0 || state === 3) |
||||
expand(m[2]); |
||||
break; |
||||
case 'include': |
||||
if (state === 0 || state === 3) |
||||
include(m[2]); |
||||
break; |
||||
} |
||||
} else { |
||||
if (state === 0) { |
||||
writeLine(s); |
||||
} else if(state === 3) { |
||||
writeLine(s.replace(/^\/\/|^<!--|-->/g, " ")); |
||||
} |
||||
} |
||||
} |
||||
if (state !== 0 || stack.length !== 0) |
||||
throw new Error('Missing endif in preprocessor.'); |
||||
if (typeof outFilename !== 'function') |
||||
fs.writeFileSync(outFilename, out); |
||||
} |
||||
exports.preprocess = preprocess; |
||||
|
||||
/** |
||||
* Simplifies common build steps. |
||||
* @param setup |
||||
* .defines defines for preprocessors |
||||
* .copy array of arrays of source and destination pairs of files to copy |
||||
* .preprocess array of arrays of source and destination pairs of files |
||||
* run through preprocessor |
||||
*/ |
||||
function build(setup) { |
||||
var defines = setup.defines; |
||||
|
||||
setup.copy.forEach(function(option) { |
||||
var source = option[0]; |
||||
var destination = option[1]; |
||||
cp('-R', source, destination); |
||||
}); |
||||
|
||||
setup.preprocess.forEach(function(option) { |
||||
var sources = option[0]; |
||||
var destination = option[1]; |
||||
|
||||
sources = ls('-R', sources); |
||||
sources.forEach(function(source) { |
||||
// ??? Warn if the source is wildcard and dest is file?
|
||||
var destWithFolder = destination; |
||||
if (test('-d', destination)) |
||||
destWithFolder += '/' + path.basename(source); |
||||
preprocess(source, destWithFolder, defines); |
||||
}); |
||||
}); |
||||
} |
||||
exports.build = build; |
||||
|
||||
/** |
||||
* Merge two defines arrays. Values in the second param will override values in |
||||
* the first. |
||||
*/ |
||||
function merge(defaults, defines) { |
||||
var ret = {}; |
||||
for (var key in defaults) |
||||
ret[key] = defaults[key]; |
||||
for (key in defines) |
||||
ret[key] = defines[key]; |
||||
return ret; |
||||
} |
||||
exports.merge = merge; |
||||
@ -0,0 +1,60 @@
@@ -0,0 +1,60 @@
|
||||
var FirefoxCom = (function FirefoxComClosure() { |
||||
return { |
||||
/** |
||||
* Creates an event that the extension is listening for and will |
||||
* synchronously respond to. |
||||
* NOTE: It is reccomended to use request() instead since one day we may not |
||||
* be able to synchronously reply. |
||||
* @param {String} action The action to trigger. |
||||
* @param {String} data Optional data to send. |
||||
* @return {*} The response. |
||||
*/ |
||||
requestSync: function(action, data) { |
||||
var request = document.createTextNode(''); |
||||
request.setUserData('action', action, null); |
||||
request.setUserData('data', data, null); |
||||
request.setUserData('sync', true, null); |
||||
document.documentElement.appendChild(request); |
||||
|
||||
var sender = document.createEvent('Events'); |
||||
sender.initEvent('pdf.js.message', true, false); |
||||
request.dispatchEvent(sender); |
||||
var response = request.getUserData('response'); |
||||
document.documentElement.removeChild(request); |
||||
return response; |
||||
}, |
||||
/** |
||||
* Creates an event that the extension is listening for and will |
||||
* asynchronously respond by calling the callback. |
||||
* @param {String} action The action to trigger. |
||||
* @param {String} data Optional data to send. |
||||
* @param {Function} callback Optional response callback that will be called |
||||
* with one data argument. |
||||
*/ |
||||
request: function(action, data, callback) { |
||||
var request = document.createTextNode(''); |
||||
request.setUserData('action', action, null); |
||||
request.setUserData('data', data, null); |
||||
request.setUserData('sync', false, null); |
||||
if (callback) { |
||||
request.setUserData('callback', callback, null); |
||||
|
||||
document.addEventListener('pdf.js.response', function listener(event) { |
||||
var node = event.target, |
||||
callback = node.getUserData('callback'), |
||||
response = node.getUserData('response'); |
||||
|
||||
document.documentElement.removeChild(node); |
||||
|
||||
document.removeEventListener('pdf.js.response', listener, false); |
||||
return callback(response); |
||||
}, false); |
||||
} |
||||
document.documentElement.appendChild(request); |
||||
|
||||
var sender = document.createEvent('HTMLEvents'); |
||||
sender.initEvent('pdf.js.message', true, false); |
||||
return request.dispatchEvent(sender); |
||||
} |
||||
}; |
||||
})(); |
||||
@ -0,0 +1,9 @@
@@ -0,0 +1,9 @@
|
||||
<!-- This snippet is used in b2g, see Makefile --> |
||||
<link rel="resource" type="application/l10n" href="locale.properties"/> |
||||
<script type="text/javascript" src="l10n.js"></script> |
||||
<script type="text/javascript" src="../build/pdf.js"></script> |
||||
<script type="text/javascript"> |
||||
// This specifies the location of the pdf.js file. |
||||
PDFJS.workerSrc = "../build/pdf.js"; |
||||
PDFJS.disableTextLayer = true; |
||||
</script> |
||||
Loading…
Reference in new issue