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Merge branch 'jake' of git@github.com:280north/cappuccino into jake

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This commit is contained in:
Francisco Ryan Tolmasky I committed 2010-01-12 22:55:50 -08:00
2 parents e76ee3c96e ff4fd1411e
commit b0b9a7a294
2 files changed
+394 -389
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Tools/press/main.j
+24 -19
View File
@@ -32,15 +32,20 @@ parser.option("-F", "--framework", "frameworks")
.help("Add a frameworks directory, relative to INPUT_PROJECT (default: ['Frameworks'])");
parser.option("-E", "--environment", "environments")
.def(['W3C', 'IE7', 'IE8'])
.def(['W3C'])//, 'IE7', 'IE8'])
.push()
.help("Add a platform name (default: ['W3C', 'IE7', 'IE8'])");
parser.option("-f", "--flatten", "flatten")
parser.option("-l", "--flatten", "flatten")
.def(false)
.set(true)
.help("Flatten all code into a single Application.js file and attempt add script tag to index.html (useful for Adobe AIR and CDN deployment)");
parser.option("-f", "--force", "force")
.def(false)
.set(true)
.help("Force overwriting OUTPUT_PROJECT if it exists");
parser.option("-n", "--nostrip", "strip")
.def(true)
.set(false)
@@ -76,6 +81,11 @@ function main(args)
var rootPath = FILE.path(options.args[0]).join("").absolute();
var outputPath = FILE.path(options.args[1]).join("").absolute();
if (!options.force && outputPath.exists()) {
CPLog.error("OUTPUT_PROJECT " + outputPath + " exists. Use -f to overwrite.");
OS.exit(1);
}
press(rootPath, outputPath, options);
}
@@ -97,9 +107,7 @@ function press(rootPath, outputPath, options) {
FILE.copyTree(rootPath, outputPath);
for (var path in outputFiles) {
CPLog.trace("Writing: " + path);
var file = outputPath.join(relativeToRootPath(path));
var file = outputPath.join(rootPath.relative(path));
var parent = file.dirname();
if (!parent.exists()) {
@@ -114,6 +122,7 @@ function press(rootPath, outputPath, options) {
FILE.write(file, outputFiles[path], { charset : "UTF-8" });
}
// strip known unnecessary files
// outputPath.glob("**/Frameworks/Debug").forEach(function(debugFramework) {
// outputPath.join(debugFramework).rmtree();
// });
@@ -126,10 +135,6 @@ function press(rootPath, outputPath, options) {
function pressEnvironment(rootPath, outputFiles, environment, options) {
function relativeToRootPath(path) {
return pathRelativeTo(path, rootPath);
}
var mainPath = String(rootPath.join(options.main));
var frameworks = options.frameworks.map(function(framework) { return rootPath.join(framework); });
@@ -154,7 +159,7 @@ function pressEnvironment(rootPath, outputFiles, environment, options) {
scope.objj_search.prototype.didReceiveBundleResponse = function(aResponse) {
var fakeResponse = {
success : aResponse.success,
filePath : relativeToRootPath(aResponse.filePath)
filePath : rootPath.relative(aResponse.filePath).toString()
};
if (aResponse.success)
@@ -171,7 +176,7 @@ function pressEnvironment(rootPath, outputFiles, environment, options) {
var context = {
ctx : ctx,
scope : scope,
relativeToRootPath : relativeToRootPath
rootPath : rootPath
};
// phase 1: get global defines
@@ -185,7 +190,7 @@ function pressEnvironment(rootPath, outputFiles, environment, options) {
// Log
CPLog.trace("Global defines:");
for (var i in dependencies)
CPLog.trace(" " + i + " => " + relativeToRootPath(dependencies[i]));
CPLog.trace(" " + i + " => " + rootPath.relative(dependencies[i]));
// phase 2: walk the dependency tree (both imports and references) to determine exactly which files need to be included
CPLog.error("PHASE 2: Walk dependency tree...");
@@ -222,12 +227,12 @@ function pressEnvironment(rootPath, outputFiles, environment, options) {
{
if (requiredFiles[path])
{
CPLog.debug("Included: " + relativeToRootPath(path));
CPLog.debug("Included: " + rootPath.relative(path));
count++;
}
else
{
CPLog.info("Excluded: " + relativeToRootPath(path));
CPLog.info("Excluded: " + rootPath.relative(path));
}
total++;
}
@@ -299,11 +304,11 @@ function pressEnvironment(rootPath, outputFiles, environment, options) {
{
applicationScript.push("(function(OBJJ_CURRENT_BUNDLE) {");
applicationScript.push(fragment.info);
applicationScript.push("})(objj_bundles['"+relativeToRootPath(fragment.bundle.path)+"']);");
applicationScript.push("})(objj_bundles['"+rootPath.relative(fragment.bundle.path)+"']);");
}
else
{
CPLog.info("Stripping " + relativeToRootPath(fragment.file.path));
CPLog.info("Stripping " + rootPath.relative(fragment.file.path));
}
});
@@ -415,7 +420,7 @@ function pressEnvironment(rootPath, outputFiles, environment, options) {
}
}
else
CPLog.info("Ignoring import fragment " + file.fragments[i].info + " in " + relativeToRootPath(path));
CPLog.info("Ignoring import fragment " + file.fragments[i].info + " in " + rootPath.relative(path));
}
else
CPLog.error("Unknown fragment type");
@@ -428,7 +433,7 @@ function pressEnvironment(rootPath, outputFiles, environment, options) {
}
}
else
CPLog.warn("No bundle for " + relativeToRootPath(path))
CPLog.warn("No bundle for " + rootPath.relative(path))
}
// phase 3.5: fix bundle plists
@@ -440,7 +445,7 @@ function pressEnvironment(rootPath, outputFiles, environment, options) {
dict = bundles[path].info,
replacedFiles = [dict objectForKey:"CPBundleReplacedFiles"];
CPLog.info("Modifying .sj: " + relativeToRootPath(path));
CPLog.info("Modifying .sj: " + rootPath.relative(path));
if (replacedFiles)
{
Tools/press/objj-analysis-tools.j
+370 -370
View File
@@ -1,370 +1,370 @@
var FILE = require("file");
/*
param context includes
scope: a global variable containing objj_files hash
ctx: js context
dependencies: hash mapping from paths to an array of global variables defined by that file
[importCallback]: callback function that is called for each imported file (takes importing file path, and imported file path parameters)
[referencedCallback]: callback function that is called for each referenced file (takes referencing file path, referenced file path parameters, and list of tokens)
[importedFiles]: hash that will contain a mapping of file names to a hash of imported files
[referencedFiles]: hash that will contain a mapping of file names to a hash of referenced files (which contains a hash of tokens referenced)
[processedFiles]: hash containing file paths which have already been analyzed
param file is an objj_file object containing path, fragments, content, bundle, etc
*/
function traverseDependencies(context, file)
{
if (!context.processedFiles)
context.processedFiles = {};
if (context.processedFiles[file.path])
return;
context.processedFiles[file.path] = true;
var ignoreImports = false;
if (context.ignoreAllImports)
{
CPLog.warn("Ignoring all import fragments. ("+context.relativeToRootPath(file.path)+")");
ignoreImports = true;
}
else if (context.ignoreFrameworkImports)
{
var matches = file.path.match(new RegExp("([^\\/]+)\\/([^\\/]+)\\.j$")); // Matches "ZZZ/ZZZ.j" (e.x. AppKit/AppKit.j and Foundation/Foundation.j)
if (matches && matches[1] === matches[2])
{
CPLog.warn("Framework import file! Ignoring all import fragments. ("+context.relativeToRootPath(file.path)+")");
ignoreImports = true;
}
}
// if fragments are missing, preprocess the contents
if (!file.fragments)
{
if (file.included)
CPLog.warn(context.relativeToRootPath(file.path) + " is included but missing fragments");
else
CPLog.warn("Preprocessing " + context.relativeToRootPath(file.path));
file.fragments = objj_preprocess(file.contents, file.bundle, file);
}
// sprite: look for pngs in the Resources directory
if (!context.bundleImages)
context.bundleImages = {};
if (!context.bundleImages[file.bundle.path])
{
var resourcesPath = FILE.path(file.bundle.path).dirname().join("/Resources");
if (resourcesPath.exists())
{
context.bundleImages[file.bundle.path] = {};
resourcesPath.glob("**/*.png").forEach(function(png) {
var pngPath = resourcesPath.join(png);
var relativePath = pathRelativeTo(pngPath.absolute(), resourcesPath.absolute());
// this is used as a bit mask, not a boolean
context.bundleImages[file.bundle.path][relativePath] = 1;
});
}
}
var images = context.bundleImages[file.bundle.path];
var referencedFiles = {},
importedFiles = {};
CPLog.debug("Processing " + file.fragments.length + " fragments in " + context.relativeToRootPath(file.path));
for (var i = 0; i < file.fragments.length; i++)
{
var fragment = file.fragments[i];
if (fragment.type & FRAGMENT_CODE)
{
var lexer = new objj_lexer(fragment.info, NULL);
var token;
while (token = lexer.skip_whitespace())
{
if (context.dependencies.hasOwnProperty(token))
{
var files = context.dependencies[token];
for (var j = 0; j < files.length; j++)
{
// don't record references to self
if (files[j] != file.path)
{
if (!referencedFiles[files[j]])
referencedFiles[files[j]] = {};
referencedFiles[files[j]][token] = true;
}
}
}
var matches = token.match(new RegExp("^['\"](.*)['\"]$"));
if (matches && images && images[matches[1]])
images[matches[1]] = (images[matches[1]] | 2);
}
}
else if (fragment.type & FRAGMENT_FILE)
{
if (ignoreImports)
{
fragment.conditionallyIgnore = true;
}
else
{
var importedFile = findImportInObjjFiles(context.scope, fragment);
if (importedFile)
{
// should never import self, but just in case?
if (importedFile != file.path)
importedFiles[importedFile] = true;
else
CPLog.error("Ignoring self import (why are you importing yourself?!): " + context.relativeToRootPath(file.path));
}
else
CPLog.error("Couldn't find file for import " + fragment.info + " ("+fragment.type+")");
}
}
}
// check each imported file
for (var importedFile in importedFiles)
{
if (importedFile != file.path)
{
if (context.importCallback)
context.importCallback(file.path, importedFile);
if (context.scope.objj_files[importedFile])
traverseDependencies(context, context.scope.objj_files[importedFile]);
else
CPLog.error("Missing imported file: " + importedFile);
}
}
if (context.importedFiles)
context.importedFiles[file.path] = importedFiles;
// check each referenced file
for (var referencedFile in referencedFiles)
{
if (referencedFile != file.path)
{
if (context.referenceCallback)
context.referenceCallback(file.path, referencedFile, referencedFiles[referencedFile]);
if (context.scope.objj_files.hasOwnProperty(referencedFile))
traverseDependencies(context, context.scope.objj_files[referencedFile]);
else
CPLog.error("Missing referenced file: " + referencedFile);
}
}
if (context.referencedFiles)
context.referencedFiles[file.path] = referencedFiles;
}
function findImportInObjjFiles(scope, fragment)
{
var importPath = null;
if (fragment.type & FRAGMENT_LOCAL)
{
var searchPath = fragment.info;
//CPLog.trace("Looking for " + searchPath);
//for (var i in scope.objj_files) CPLog.debug(" " + i);
if (scope.objj_files[searchPath])
{
importPath = searchPath;
}
}
else
{
var count = scope.OBJJ_INCLUDE_PATHS.length;
while (count--)
{
var searchPath = scope.OBJJ_INCLUDE_PATHS[count].replace(new RegExp("\\/$"), "") + "/" + fragment.info;
if (scope.objj_files[searchPath])
{
importPath = searchPath;
break;
}
}
}
return importPath;
}
// given a fresh scope and the path to a root source file, determine which files define each global variable
function findGlobalDefines(context, mainPath, evaledFragments)
{
var ignore = cloneProperties(context.scope, true);
ignore['bundle'] = true;
var dependencies = {};
//scope.fragment_evaluate_file_original = scope.fragment_evaluate_file;
//scope.fragment_evaluate_file = function(aFragment)
//{
// //CPLog.trace("Loading "+aFragment.info);
//
// var result = scope.fragment_evaluate_file_original(aFragment);
//
// return result;
//}
// OVERRIDE fragment_evaluate_file
var fragment_evaluate_file_original = context.scope.fragment_evaluate_file;
context.scope.fragment_evaluate_file = function(aFragment) {
return fragment_evaluate_file_original(aFragment);
}
// OVERRIDE fragment_evaluate_code
var fragment_evaluate_code_original = context.scope.fragment_evaluate_code;
context.scope.fragment_evaluate_code = function(aFragment) {
CPLog.debug("Evaluating " + context.relativeToRootPath(aFragment.file.path) + " (" + context.relativeToRootPath(aFragment.bundle.path) + ")");
var before = cloneProperties(context.scope);
if (evaledFragments)
{
evaledFragments.push(aFragment);
}
var result = fragment_evaluate_code_original(aFragment);
var definedGlobals = {};
diff(before, context.scope, ignore, definedGlobals, definedGlobals, null);
dependencies[aFragment.file.path] = definedGlobals;
return result;
}
runWithScope(context, function(importName) {
objj_import(importName, true, NULL);
}, [mainPath]);
return dependencies;
}
// takes a hash mapping from file names to hashes of global names defined in each file
// globals = { fileName { globalName : true }}
// returns a hash mapping from global names to arrays of file names in which those globals are defined
// dependencies = { globalName : [fileName] }
function coalesceGlobalDefines(globals)
{
var dependencies = {};
for (var fileName in globals)
{
var fileGlobals = globals[fileName];
for (var globalName in fileGlobals)
{
if (!dependencies[globalName])
dependencies[globalName] = [];
dependencies[globalName].push(fileName);
}
}
return dependencies;
}
// create a new scope loaded with Narwhal and Objective-J
function makeObjjScope(ctx, debug)
{
// init standard JS scope objects
var scope = ctx.initStandardObjects();
// set these properties required for Narwhal bootstrapping
scope.NARWHAL_HOME = system.prefix;
scope.NARWHAL_ENGINE_HOME = FILE.join(system.prefix, "engines", "rhino");
// load the bootstrap.js for narwhal-rhino
var bootstrapPath = FILE.join(scope.NARWHAL_ENGINE_HOME, "bootstrap.js");
ctx.evaluateReader(scope,
new Packages.java.io.FileReader(bootstrapPath),
"bootstrap.js",
1,
null
);
// get the Objective-J module from this scope, return the window object.
var OBJJ = scope.require("objective-j");
addMockBrowserEnvironment(OBJJ.window);
return OBJJ.window;
}
// add a mock browser environment to the provided scope
function addMockBrowserEnvironment(scope)
{
// TODO: complete this. or use env.js?
if (!scope.window)
scope.window = scope;
if (!scope.location)
scope.location = {};
if (!scope.location.href)
scope.location.href = "";
if (!scope.Element)
scope.Element = function() {
this.style = {}
}
if (!scope.document)
scope.document = {
createElement : function() {
return new scope.Element();
}
}
}
// run a function within the given scope (func can be a function object if the source of the function is returned by toString() as it is by default)
function runWithScope(context, func, args)
{
var functionInScope = context.ctx.compileFunction(context.scope, String(func), "<runWithScope>", 1, null);
var result = functionInScope.apply(context.scope, args);
context.scope.require('browser/timeout').serviceTimeouts();
return result;
}
// does a shallow copy of an object. if onlyList is true, it sets each property to "true" instead of the actual value
function cloneProperties(object, onlyList)
{
var results = {}
for (var memeber in object)
results[memeber] = onlyList ? true : object[memeber];
return results;
}
function diff(objectA, objectB, ignore, added, changed, deleted)
{
for (var i in objectB)
if (added && !ignore[i] && typeof objectA[i] == "undefined")
added[i] = true;
for (var i in objectB)
if (changed && !ignore[i] && typeof objectA[i] != "undefined" && typeof objectB[i] != "undefined" && objectA[i] !== objectB[i])
changed[i] = true;
for (var i in objectA)
if (deleted && !ignore[i] && typeof objectB[i] == "undefined")
deleted[i] = true;
}
function allKeys(object)
{
var result = [];
for (var i in object)
result.push(i)
return result.sort();
}
var FILE = require("file");
/*
param context includes
scope: a global variable containing objj_files hash
ctx: js context
dependencies: hash mapping from paths to an array of global variables defined by that file
[importCallback]: callback function that is called for each imported file (takes importing file path, and imported file path parameters)
[referencedCallback]: callback function that is called for each referenced file (takes referencing file path, referenced file path parameters, and list of tokens)
[importedFiles]: hash that will contain a mapping of file names to a hash of imported files
[referencedFiles]: hash that will contain a mapping of file names to a hash of referenced files (which contains a hash of tokens referenced)
[processedFiles]: hash containing file paths which have already been analyzed
param file is an objj_file object containing path, fragments, content, bundle, etc
*/
function traverseDependencies(context, file)
{
if (!context.processedFiles)
context.processedFiles = {};
if (context.processedFiles[file.path])
return;
context.processedFiles[file.path] = true;
var ignoreImports = false;
if (context.ignoreAllImports)
{
CPLog.warn("Ignoring all import fragments. ("+context.rootPath.relative(file.path)+")");
ignoreImports = true;
}
else if (context.ignoreFrameworkImports)
{
var matches = file.path.match(new RegExp("([^\\/]+)\\/([^\\/]+)\\.j$")); // Matches "ZZZ/ZZZ.j" (e.x. AppKit/AppKit.j and Foundation/Foundation.j)
if (matches && matches[1] === matches[2])
{
CPLog.warn("Framework import file! Ignoring all import fragments. ("+context.rootPath.relative(file.path)+")");
ignoreImports = true;
}
}
// if fragments are missing, preprocess the contents
if (!file.fragments)
{
if (file.included)
CPLog.warn(context.rootPath.relative(file.path) + " is included but missing fragments");
else
CPLog.warn("Preprocessing " + context.rootPath.relative(file.path));
file.fragments = objj_preprocess(file.contents, file.bundle, file);
}
// sprite: look for pngs in the Resources directory
if (!context.bundleImages)
context.bundleImages = {};
if (!context.bundleImages[file.bundle.path])
{
var resourcesPath = FILE.path(file.bundle.path).dirname().join("/Resources");
if (resourcesPath.exists())
{
context.bundleImages[file.bundle.path] = {};
resourcesPath.glob("**/*.png").forEach(function(png) {
var pngPath = resourcesPath.join(png);
var relativePath = pathRelativeTo(pngPath.absolute(), resourcesPath.absolute());
// this is used as a bit mask, not a boolean
context.bundleImages[file.bundle.path][relativePath] = 1;
});
}
}
var images = context.bundleImages[file.bundle.path];
var referencedFiles = {},
importedFiles = {};
CPLog.debug("Processing " + file.fragments.length + " fragments in " + context.rootPath.relative(file.path));
for (var i = 0; i < file.fragments.length; i++)
{
var fragment = file.fragments[i];
if (fragment.type & FRAGMENT_CODE)
{
var lexer = new objj_lexer(fragment.info, NULL);
var token;
while (token = lexer.skip_whitespace())
{
if (context.dependencies.hasOwnProperty(token))
{
var files = context.dependencies[token];
for (var j = 0; j < files.length; j++)
{
// don't record references to self
if (files[j] != file.path)
{
if (!referencedFiles[files[j]])
referencedFiles[files[j]] = {};
referencedFiles[files[j]][token] = true;
}
}
}
var matches = token.match(new RegExp("^['\"](.*)['\"]$"));
if (matches && images && images[matches[1]])
images[matches[1]] = (images[matches[1]] | 2);
}
}
else if (fragment.type & FRAGMENT_FILE)
{
if (ignoreImports)
{
fragment.conditionallyIgnore = true;
}
else
{
var importedFile = findImportInObjjFiles(context.scope, fragment);
if (importedFile)
{
// should never import self, but just in case?
if (importedFile != file.path)
importedFiles[importedFile] = true;
else
CPLog.error("Ignoring self import (why are you importing yourself?!): " + context.rootPath.relative(file.path));
}
else
CPLog.error("Couldn't find file for import " + fragment.info + " ("+fragment.type+")");
}
}
}
// check each imported file
for (var importedFile in importedFiles)
{
if (importedFile != file.path)
{
if (context.importCallback)
context.importCallback(file.path, importedFile);
if (context.scope.objj_files[importedFile])
traverseDependencies(context, context.scope.objj_files[importedFile]);
else
CPLog.error("Missing imported file: " + importedFile);
}
}
if (context.importedFiles)
context.importedFiles[file.path] = importedFiles;
// check each referenced file
for (var referencedFile in referencedFiles)
{
if (referencedFile != file.path)
{
if (context.referenceCallback)
context.referenceCallback(file.path, referencedFile, referencedFiles[referencedFile]);
if (context.scope.objj_files.hasOwnProperty(referencedFile))
traverseDependencies(context, context.scope.objj_files[referencedFile]);
else
CPLog.error("Missing referenced file: " + referencedFile);
}
}
if (context.referencedFiles)
context.referencedFiles[file.path] = referencedFiles;
}
function findImportInObjjFiles(scope, fragment)
{
var importPath = null;
if (fragment.type & FRAGMENT_LOCAL)
{
var searchPath = fragment.info;
//CPLog.trace("Looking for " + searchPath);
//for (var i in scope.objj_files) CPLog.debug(" " + i);
if (scope.objj_files[searchPath])
{
importPath = searchPath;
}
}
else
{
var count = scope.OBJJ_INCLUDE_PATHS.length;
while (count--)
{
var searchPath = scope.OBJJ_INCLUDE_PATHS[count].replace(new RegExp("\\/$"), "") + "/" + fragment.info;
if (scope.objj_files[searchPath])
{
importPath = searchPath;
break;
}
}
}
return importPath;
}
// given a fresh scope and the path to a root source file, determine which files define each global variable
function findGlobalDefines(context, mainPath, evaledFragments)
{
var ignore = cloneProperties(context.scope, true);
ignore['bundle'] = true;
var dependencies = {};
//scope.fragment_evaluate_file_original = scope.fragment_evaluate_file;
//scope.fragment_evaluate_file = function(aFragment)
//{
// //CPLog.trace("Loading "+aFragment.info);
//
// var result = scope.fragment_evaluate_file_original(aFragment);
//
// return result;
//}
// OVERRIDE fragment_evaluate_file
var fragment_evaluate_file_original = context.scope.fragment_evaluate_file;
context.scope.fragment_evaluate_file = function(aFragment) {
return fragment_evaluate_file_original(aFragment);
}
// OVERRIDE fragment_evaluate_code
var fragment_evaluate_code_original = context.scope.fragment_evaluate_code;
context.scope.fragment_evaluate_code = function(aFragment) {
CPLog.debug("Evaluating " + context.rootPath.relative(aFragment.file.path) + " (" + context.rootPath.relative(aFragment.bundle.path) + ")");
var before = cloneProperties(context.scope);
if (evaledFragments)
{
evaledFragments.push(aFragment);
}
var result = fragment_evaluate_code_original(aFragment);
var definedGlobals = {};
diff(before, context.scope, ignore, definedGlobals, definedGlobals, null);
dependencies[aFragment.file.path] = definedGlobals;
return result;
}
runWithScope(context, function(importName) {
objj_import(importName, true, NULL);
}, [mainPath]);
return dependencies;
}
// takes a hash mapping from file names to hashes of global names defined in each file
// globals = { fileName { globalName : true }}
// returns a hash mapping from global names to arrays of file names in which those globals are defined
// dependencies = { globalName : [fileName] }
function coalesceGlobalDefines(globals)
{
var dependencies = {};
for (var fileName in globals)
{
var fileGlobals = globals[fileName];
for (var globalName in fileGlobals)
{
if (!dependencies[globalName])
dependencies[globalName] = [];
dependencies[globalName].push(fileName);
}
}
return dependencies;
}
// create a new scope loaded with Narwhal and Objective-J
function makeObjjScope(ctx, debug)
{
// init standard JS scope objects
var scope = ctx.initStandardObjects();
// set these properties required for Narwhal bootstrapping
scope.NARWHAL_HOME = system.prefix;
scope.NARWHAL_ENGINE_HOME = FILE.join(system.prefix, "engines", "rhino");
// load the bootstrap.js for narwhal-rhino
var bootstrapPath = FILE.join(scope.NARWHAL_ENGINE_HOME, "bootstrap.js");
ctx.evaluateReader(scope,
new Packages.java.io.FileReader(bootstrapPath),
"bootstrap.js",
1,
null
);
// get the Objective-J module from this scope, return the window object.
var OBJJ = scope.require("objective-j");
addMockBrowserEnvironment(OBJJ.window);
return OBJJ.window;
}
// add a mock browser environment to the provided scope
function addMockBrowserEnvironment(scope)
{
// TODO: complete this. or use env.js?
if (!scope.window)
scope.window = scope;
if (!scope.location)
scope.location = {};
if (!scope.location.href)
scope.location.href = "";
if (!scope.Element)
scope.Element = function() {
this.style = {}
}
if (!scope.document)
scope.document = {
createElement : function() {
return new scope.Element();
}
}
}
// run a function within the given scope (func can be a function object if the source of the function is returned by toString() as it is by default)
function runWithScope(context, func, args)
{
var functionInScope = context.ctx.compileFunction(context.scope, String(func), "<runWithScope>", 1, null);
var result = functionInScope.apply(context.scope, args);
context.scope.require('browser/timeout').serviceTimeouts();
return result;
}
// does a shallow copy of an object. if onlyList is true, it sets each property to "true" instead of the actual value
function cloneProperties(object, onlyList)
{
var results = {}
for (var memeber in object)
results[memeber] = onlyList ? true : object[memeber];
return results;
}
function diff(objectA, objectB, ignore, added, changed, deleted)
{
for (var i in objectB)
if (added && !ignore[i] && typeof objectA[i] == "undefined")
added[i] = true;
for (var i in objectB)
if (changed && !ignore[i] && typeof objectA[i] != "undefined" && typeof objectB[i] != "undefined" && objectA[i] !== objectB[i])
changed[i] = true;
for (var i in objectA)
if (deleted && !ignore[i] && typeof objectB[i] == "undefined")
deleted[i] = true;
}
function allKeys(object)
{
var result = [];
for (var i in object)
result.push(i)
return result.sort();
}