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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
var FS = require("fs");
var PATH = require("path");
var MontageBoot = require("./montage");
var Require = require("./require/require");
var Promise = require("./core/promise");
var URL = require("./core/url");
var jsdom = require("jsdom").jsdom;
var Node = require("jsdom").level(1).Node;
var domToHtml = require("jsdom/lib/jsdom/browser/domtohtml").domToHtml;
exports.bootstrap = function (callback) {
var command = process.argv.slice(0, 3);
var args = process.argv.slice(2);
var program = args.shift();
FS.realpath(program, function (error, program) {
if (error) {
throw new Error(error);
}
findPackage(program, function (error, directory) {
if (error === "Can't find package") {
loadFreeModule(program, command, args);
} else if (error) {
throw new Error(error);
} else {
loadPackagedModule(directory, program, command, args);
}
});
});
};
var findPackage = function (path, callback) {
var directory = PATH.dirname(path);
if (directory === path)
return callback("Can't find package");
var packageJson = PATH.join(directory, "package.json");
FS.stat(path, function (error, stat) {
if (error) callback(error);
if (stat.isFile()) {
callback(null, directory);
} else {
findPackage(directory, callback);
}
});
}
var loadFreeModule = function (program, command, args) {
throw new Error("Can't load module that is not in a package");
};
var loadPackagedModule = function (directory, program, command, args) {
MontageBoot.loadPackage(directory)
.then(function (require) {
var id = program.slice(directory.length + 1);
return require.async(id);
})
.end();
};
MontageBoot.loadPackage = function (location, config) {
var config = {};
config.location = URL.resolve(Require.getLocation(), location + '/');
// setup the reel loader
config.makeLoader = function (config) {
return MontageBoot.ReelLoader(
config,
Require.makeLoader(config)
);
};
// setup serialization compiler
config.makeCompiler = function (config) {
return MontageBoot.TemplateCompiler(
config,
MontageBoot.SerializationCompiler(
config,
Require.makeCompiler(config)
)
);
};
return Require.loadPackage(config.location, config);
};
MontageBoot.TemplateLoader = function (config, load) {
return function(id, module) {
var html = id.match(/(.*\/)?(?=[^\/]+\.html$)/);
var serialization = id.match(/(?=[^\/]+\.json$)/); // XXX this is not necessarily a strong indicator of a serialization alone
if (html) {
return load(id, module)
.then(function () {
module.dependencies = parseHtmlDependencies(module.text, module.location);
return module;
});
} else if (serialization) {
return load(id, module)
.then(function () {
module.dependencies = collectSerializationDependencies(module.text, []);
return module;
});
} else {
return load(id, module);
}
};
};
// add the TemplateLoader to the middleware chain
Require.makeLoader = (function (makeLoader) {
return function (config) {
return MontageBoot.TemplateLoader(config, makeLoader(config));
};
})(Require.makeLoader);
var parseHtmlDependencies = function (text, location) {
var dependencies = [];
var document = jsdom(text, null, {
"features": {
"FetchExternalResources": false,
"ProcessExternalResources": false
}
});
collectHtmlDependencies(document, dependencies);
return dependencies;
};
var collectHtmlDependencies = function (document, dependencies) {
visit(document, function (element) {
if (element.nodeType == Node.ELEMENT_NODE) {
if (element.tagName === "SCRIPT") {
if (element.getAttribute("type") === "text/montage-serialization") {
collectSerializationDependencies(getText(element), dependencies);
}
} else if (element.tagName === "LINK") {
if (element.getAttribute("type") === "text/montage-serialization") {
dependencies.push(element.getAttribute("href"));
}
}
}
});
};
function visit(element, visitor) {
var pruned;
var prune = function () {
pruned = true;
};
visitor(element, prune);
if (pruned) {
return;
}
element = element.firstChild;
while (element) {
visit(element, visitor);
element = element.nextSibling;
}
}
function getText(element) {
return domToHtml(element._childNodes, true, true);
}
var collectSerializationDependencies = function (text, dependencies) {
var serialization = JSON.parse(text);
Object.keys(serialization).forEach(function (label) {
var description = serialization[label];
if (typeof description.module === "string") {
dependencies.push(description.module);
}
});
return dependencies;
};
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