gloader/ 40755 0 0 0 11244462143 7526 5 ustar 0 0 gloader/0.1.2/ 40755 0 0 0 11244462143 10164 5 ustar 0 0 CONTRIBUTORS 100644 0 0 0 11244462144 7775 0 ustar 0 0 LICENCE 100644 0 0 23676 11244462144 7232 0 ustar 0 0 Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
gloader/0.1.2/gloader.debug.js 100644 0 0 71706 11244462143 13354 0 ustar 0 0 /*
Copyright 2009 British Broadcasting Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
A module loader for Glow.
*/
(function(){
if (window.gloader) return;
window.gloader = {
_requests: [], // {gloader.Request}
_modules: {}, // modId: {gloader.Module|undefined}
_expects: {}, // modId: {Number} - module definitions that are expected but were not requested
_extras: {}, // modId: {Object} - module definitions provided but not yet requested
_errors: [], // {String} - used for testing purposes
util: {
/** Determine if a filepath could be the name of this file. */
getGloaderFile: function(filepath) { // the gloader file can have a few name variations, but will always start with "gloader" and end with ".js" (excluding possible querystring)
if (filepath && /(^|^.*[\/\\])(gloader(\.[^\/\\]+)?\.js)(\?|$)/i.test(filepath)) {
var dir = RegExp.$1;
//// as a temporary fix to the problem of the gloader upgrade, remove any "cached/" from the dir
if (dir) dir = dir.replace("cached/", "");
return {
dir: dir,
name: RegExp.$2
};
}
return undefined; // the filepath is not possibly this file
}
},
/** Locations of all known module files. */
map: {
/** Locations of known javascript files. */
js: {}, // modId: URL
/** Locations of known stylesheet files. */
css: {}, // modId: URL
/** Interpolate values in the given library definition. */
parse: function(libraryName, libraryVersions) { /*debug*///console.log("gloader.map.parse("+libraryName+", "+libraryVersions+")");
// create an empty library object to be returned at the end
var lib = {name: libraryName, versions: []};
// keep track of the properties set in previous version definitions
// like: {$someName: "someValue"}
var scope = {};
// required scope properties
// order controls order of interpolation
// e.g. a $base can contain a {$version}, but not visa versa
// $name means the library's name
var scopeProps = ["$name", "$version", "$base"];
scopeProps.has = function(what) { // just a quick convenience method
for (var i = 0; i < this.length; i++) {
if (what == this[i]) return true;
}
return false;
}
// include user defined properties
if (gloader.mapProps && gloader.mapProps[lib.name]) {
for (var p in gloader.mapProps[lib.name]) {
if (!scopeProps.has(p)) { // scopeProps items will be unique
scopeProps.push(p);
}
}
}
// initialize the scope object
for (var p = 0; p < scopeProps.length; p++) {
scope[scopeProps[p]] = undefined;
}
scope.$name = lib.name;
// set user-defined properties in scope
if (gloader.mapProps && gloader.mapProps[lib.name]) {
for (var p in gloader.mapProps[lib.name]) {
scope[p] = gloader.mapProps[lib.name][p];
}
}
// loop over each version definition
for (var i = 0; i < libraryVersions.length; i++) {
var version = libraryVersions[i];
// add to or delete from the scope any version properties,
for (var v in version) {
// a value of type null means: "delete" from scope
if (version[v] === null) {
delete version[v];
delete scope[v];
}
// a non-null value means: "add" (or overwrite) to scope
else {
if (v.indexOf("$") === 0) scope[v] = version[v]; // $values must be strings
else if (typeof version[v] == "string") {
version[v] = [version[v]]; // other values must be arrays
scope[v] = version[v].slice(0); // copy
}
else if (typeof version[v].push != "undefined") { // already an array?
scope[v] = version[v].slice(0); // copy;
}
else throw new Error("invalid type: "+typeof version[v]);
}
}
// fill in any undefined version properties that were defined before
for (var s in scope) {
if (typeof version[s] == "undefined") {
if (s.indexOf("$") === 0) version[s] = scope[s];
else version[s] = scope[s].slice(0); // copy
}
}
// interpolate all {$var} strings in all version properties with $prop values
for (var p = 0; p < scopeProps.length; p++) {
var prop = scopeProps[p];
for (var vp = 0; vp < p; vp++) {
var vprop = scopeProps[vp];
if (typeof version[vprop] == "undefined") version[prop] = scope[prop]; // this version does not redefine this property
var patt = new RegExp('\\{\\'+vprop+'\\}', "g");
version[prop] = version[prop].replace(patt, version[vprop]);
}
}
// interpolate all {$var} strings in all version items with $prop values
for (vi in version) {
if (vi.indexOf("$") === 0 ) continue; // these have already been interped
for (var vii = 0; vii < version[vi].length; vii++) {
for (var p = 0; p < scopeProps.length; p++) {
var prop = scopeProps[p];
var patt = new RegExp('\\{\\'+prop+'\\}', "g");
version[vi][vii] = ""+version[vi][vii].replace(patt, ""+version[prop]);
}
}
}
lib.versions.push(version);
}
return lib;
},
/**
Populate this map with some library data.
@param {String} libraryName The name of the library you are adding.
@param {Object} ... One or more objects that define the files in
the various versions of this library.
*/
add: function() { /*debug*///console.log("gloader.map.add("+arguments+")");
// note trick to convert arguments into an array (less the first item)
var args = [];
for (var i = 1; i < arguments.length; i++) {
args.push(arguments[i]);
}
var lib = gloader.map.parse(arguments[0], args);
// populate the js and css tables with the interpolated key/values: modId => src
for (var i = 0; i < lib.versions.length; i++) {
var version = lib.versions[i];
for (var p in version) {
if (p.charAt(0) == "$") continue; // for gloader use only
// modId like: libraryName/versionId/moduleName
var modId = version.$name+"/"+version.$version+"/"+p;
// note: can overwrite
gloader.map.js[modId] = version[p][0];
gloader.map.css[modId] = version[p][1];
}
}
},
/** A map from elsewhere is included in this one. This must be synchronous. */
include: function(src) { /*debug*///console.log("gloader.map.include("+src+")");
if (gloader.map._include[src]) { // is already included so can skip doing so again
return false
}
else {
document.write('\n');
gloader.map._include[src] = true;
return true;
}
},
_include: {}, // memoize
/** Get the value of the latest minor version number of a library. */
latest: function(libName, v) { /*debug*///console.log("gloader.map.latest("+libName+", "+v+")");
if (gloader.map.$latest[libName+"/"+v]) {
return gloader.map.$latest[libName+"/"+v];
}
var result = v;
var parts = v.split(".");
// if the version is not fully specified
if (parts.length < 3) {
// if the version is in the format maj[.min]
if (
parts[0] == parseInt(parts[0])
&&
(typeof parts[1] == "undefined" || parts[1] == parseInt(parts[1]))
) {
var invalid = new RegExp("[a-zA-Z\-]"),
latest = [parts[0], null, null],
mod;
for (mod in gloader.map.js) {
var modParts = mod.split("/");
if (modParts[0] == libName && modParts[2] == libName && !invalid.test(modParts[1])) {
var modVParts = modParts[1].split(".");
if (modVParts[0] == parts[0]) { // same major
if (
(
typeof parts[1] == "undefined" // no particular minor version was requested
&& // and either...
(
latest[1] <= modVParts[1] // the current latest minor version is not more recent as this module
|| // or
(
latest[1] == modVParts[1] // and the current latest minor version matches this module's minor version
&&
latest[2] <= modVParts[2] // and the latest bug version is not more recent as this module's bug version
)
)
)
|| // or
(
typeof parts[1] != "undefined" // a particular minor version was requested
&&
parts[1] == modVParts[1] // and the requested minor version matches this module's minor version
&&
latest[2] <= modVParts[2] // and the latest bug version is not more recent as this module's bug version
)
) {
latest[1] = modVParts[1];
latest[2] = modVParts[2];
}
}
}
}
if (latest[2] != null) result = latest.join(".");
}
}
gloader.map.$latest[libName+"/"+v] = result;
return result;
},
$latest: {} // memoize
},
/** Give values to states that gloader can refer to. */
settings: {
ns: "bbc.glow.gloader",
get: function(name) { /*debug*///console.log("get("+name+")");
var n = " "+gloader.settings.ns+"."+name+"="
var cookies = document.cookie.split(";");
for (var i = 0; i < cookies.length; i++) {
if ((" "+cookies[i]).indexOf(n) > -1) {
return unescape(cookies[i].split("=")[1]);
}
}
},
set: function(name, value, path) { /*debug*///console.log("set("+name+", "+value+")");
var n = gloader.settings.ns+"."+name;
document.cookie = n + "=" + escape(value) + "; path="+((path)? path : "/")+";";
},
clear: function(name, path) { /*debug*///console.log("clear("+name+")");
var d = new Date();
d.setTime(d.getTime() - 1);
var n = gloader.settings.ns+"."+name;
document.cookie = n + "=; path="+((path)? path : "/")+"; expires=Thu, 01-Jan-70 00:00:01 GMT;";
}
},
// javascript:(function(){gloader.loadOverride()})();
loadOverride: function(version) {
var current = gloader.settings.get("override");
version = version || prompt("Enter version", current ? current : "");
if (version === "") gloader.settings.clear("override");
else if (version !== null) gloader.settings.set("override", version);
location.reload();
},
// javascript:(function(){gloader.loadDebug()})();
loadDebug: function() {
gloader.settings.set("debug", "1");
location.reload();
},
// javascript:(function(){gloader.unloadDebug()})();
unloadDebug: function() {
gloader.settings.clear("debug");
location.reload();
},
expect: function(srcFile) { /*debug*///console.log("expecting modules in "+srcFile);
srcFile = ""+srcFile;
var modsInFile = [];
var modId;
for (modId in gloader.map.js) {
if (gloader.map.js[modId] == srcFile) {
modsInFile.push(modId);
gloader._expects[modId] = (gloader._expects[modId] || 0)+1;
}
}
},
/** The user makes a request. */
load: function() { /*debug*///console.log("gloader.load(...)");
var r = {};
if (typeof arguments[arguments.length-1].length == "undefined") {
r = arguments[arguments.length-1];
arguments.length--;
}
var newRequest = new gloader.Request(r);
gloader._requests.push(newRequest);
var mods = [];
var override = gloader.settings.get("override");
for (var i = 0; i < arguments.length; i++) {
if (override && arguments[i][0] == "glow") {
// warn the user what we've done
if (typeof console != "undefined" && console.log) console.log("Overriding version '"+arguments[i][1]+"' of glow to version '"+override+"'");
arguments[i][1] = override;
}
mods.push(arguments[i]);
}
var ids = gloader.toIds(mods);
newRequest.args = [];
for (var i = 0; i < ids.length; i++) {
newRequest.include(ids[i]);
if (ids[i].match(/\/[^.]+$/)) {
newRequest.args.push(ids[i]);
}
}
// if all the requested modules are already loaded we can short-circuit
var waitCount = newRequest.waits.length;
for (var i = 0; i < newRequest.waits.length; i++) {
if (
gloader._modules[newRequest.waits[i]]
&& gloader._modules[newRequest.waits[i]].status == gloader.Module.IMPLEMENTED
) waitCount--;
}
if (waitCount > 0) {
newRequest.status = gloader.Request.WAITING;
gloader.request(ids, newRequest.async);
gloader.resolve();
}
else {
/*debug*///console.info("skipping the download");
newRequest.complete();
}
// ====> opera 9.2 always exits here, it evalualtes *all* code inline.
},
/** We need some module files to complete a request. */
request: function(mIds, async) { /*debug*///console.log("gloader.request(["+mIds.join(", ")+"], "+async+")");
for (var i = 0; i < mIds.length; i++) {
var m = mIds[i];
if (gloader._extras[m]) { // module was provided before it was requested
gloader._modules[m] = new gloader.Module(m);
var extra = gloader._extras[m];
delete gloader._extras[m];
gloader.provide(extra);
}
else if (!gloader._modules[m]) {
gloader._modules[m] = new gloader.Module(m);
gloader._modules[m].status = gloader.Module.REQUESTED;
}
if (gloader._modules[m].status < gloader.Module.IMPLEMENTED || gloader._modules[m].css) {
gloader._modules[m].css = null;
// the module was already fetched (asynchronously) and hasn't
// yet arrived, but now is requested again synchronously,
// in this case we must force the fetch to happen twice
var force = (!async && gloader._modules[m].async == true && gloader._modules[m].status >= gloader.Module.FETCHED);
gloader.fetch(gloader._modules[m], async, force);
}
}
},
/** Inject a module file into this web page.
@param {gloader.Module} m The module which is being loaded.
@param {Boolean} async When true the modules file is loaded asynchronously
@param {boolean} force Ignore the usual checks that prevent the same file being loaded twice.
*/
fetch: function(m, async, force) { /*debug*///console.log("gloader.fetch("+m.id+", "+async+", "+force+")");
gloader._modules[m.id].async = async;
var cssSrc = gloader.map.css[m.id];
if (cssSrc && (force || !gloader._fetched[cssSrc])) { /*debug*///console.log("injecting css file: "+cssSrc);
gloader._fetched[cssSrc] = {}; // may hold some details about the way we fetched the file
if (document) {
var headElement;
if (headElement = document.getElementsByTagName('head')[0]) {
var link;
if (link = document.createElement('link')) {
link.href = cssSrc;
link.rel = 'stylesheet';
link.type = 'text/css';
link.className = 'gloaded async';
headElement.appendChild(link);
}
}
else {
document.write('');
}
}
}
var jsSrc = gloader.map.js[m.id];
if (!jsSrc) {
var msg = "The gloader map is missing a JavaScript filepath for the module: "+m.id;
var maps = [];
for (var included_map in gloader.map._include) maps.push(included_map);
msg += ".\rMaps included are: "+maps.join(", ")+".";
gloader._errors.push(msg);
throw new Error(msg);
}
if (jsSrc) {
// if we've never fetched this file
// or we've only fetched it asynchronously but it's not yet arrived and now its wanted synchronously
// then we gotta go add it again because the user expects to be able to use that code immediately
if (
!gloader._fetched[jsSrc]
|| (!gloader._fetched[jsSrc].sync && force)
) { /*debug*///console.log("fetching js file: "+jsSrc);
gloader._fetched[jsSrc] = {}; // a truthy object to possibly hold some details about the way we fetched the file
// if we're loading a source file, we will expect all the modules in that source file
gloader.expect(jsSrc);
if (async) { /*debug*///console.log("inject: "+jsSrc);
gloader._fetched[jsSrc].async = true;
// inserting a script node causes the file to load asynchronously
var headElement = document.getElementsByTagName('head')[0];
var scriptElement = document.createElement('script');
scriptElement.type = 'text/javascript';
scriptElement.src = jsSrc;
scriptElement.className = "gloaded async";
headElement.appendChild(scriptElement);
}
else { /*debug*///console.log("write: "+jsSrc);
gloader._fetched[jsSrc].sync = true;
// doc writing a script tag causes the file to load synchronously
document.write('\n');
}
}
else {
/*debug*///console.log("SKIP fetching js file: "+jsSrc);
}
if (gloader._modules[m.id].status < gloader.Module.FETCHED) {
gloader._modules[m.id].status = gloader.Module.FETCHED;
}
}
},
// @type Object[] to keep track of which files have already been fetched
_fetched: {
},
/** A module file has arrived (been provided).
@param {Object} m The module definition from the remote source file.
*/
provide: function(m) { /*debug*///console.log("gloader.provide("+m.library[0]+"/"+m.library[1]+"/"+m.name+")");
m.id = m.library[0]+"/"+m.library[1]+"/"+m.name; // modifying the module definition from the remote file
if (!gloader._modules[m.id]) { // we got more modules than we requested
gloader._extras[m.id] = m;
return;
}
gloader._modules[m.id].status = gloader.Module.PROVIDED;
gloader._modules[m.id].builder = m.builder;
gloader._modules[m.id].builder.args = [];
var d = gloader._modules[m.id].depends = (m.depends)? gloader.toIds(m.depends) : [];
if (d.length > 0) {
var includes = [];
for (var i = 0; i < d.length; i++) {
var requests = gloader.getRequests(m);
var include = { async: true, ids: [] };
for (var j = 0; j < requests.length; j++) {
requests[j].include(d[i]);
include.ids.push(d[i]);
// dependencies inherit the synchronicity of their base module, so if we should
// reload an async module, using a sync method, we want all the dependnecies
// to now also load synchronously too; this protects us from having
// the same dependency chains loading sync and then again async
if (requests[j].async === false) { // is the request for this module sync?
include.async = false; // every include should be sync too
}
}
includes.push(include);
// libraries declared as dependencies will become arguments to the builder
// note that this assumes the name of a library is distinct because it has no dot
if (d[i].match(/\/[^.]+$/)) {
gloader._modules[m.id].builder.args.push(d[i]);
}
}
for (var i = 0; i < includes.length; i++) {
if (includes[i].ids.length) {
gloader.request(includes[i].ids, includes[i].async);
}
}
}
else { // module is provided and has no depends
gloader.implement(m);
}
gloader.resolve();
// ====> firefox, et al exit here.
},
// check: are we expecting this module? warn user if they are including
// a module via an inline script tag while gloader is defined
_greet: function(mId) {
if (gloader._expects[mId] > 0) { // were we expecting this module or not?
gloader._expects[mId]--;
}
else {
var msg = "Unexpected module provided to gloader: "+mId;
gloader._errors.push(msg);
throw(msg);
}
},
/** Wrapper for provide() with some specialisation for modules. */
module: function(modDef) { /*debug*///console.log("gloader.module("+modDef.name+")");
var modId = modDef.library[0]+"/"+modDef.library[1]+"/"+modDef.name;
gloader._greet(modId);
if (!modDef.depends) modDef.depends = [];
modDef.depends.unshift(modDef.library); // modules implicitly depend on their own library
gloader.provide(modDef);
},
/** Wrapper for provide() with some specialisation for libraries. */
library: function(modDef) { /*debug*///console.log("gloader.library("+modDef.name+")");
var modId = modDef.name+"/"+modDef.version+"/"+modDef.name;
gloader._greet(modId);
if (!modDef.depends) modDef.depends = [];
modDef.library = [modDef.name, modDef.version]; // a library module is a member of its own library
gloader.provide(modDef);
},
/** All dependents for a given module are available now. We can implement the module. */
implement: function(m) { /*debug*///console.log("gloader.implement("+m.id+"), m.status is "+gloader._modules[m.id].status);
if (gloader._modules[m.id].status != gloader.Module.PROVIDED) return;
for (var i = 0; i < gloader._modules[m.id].builder.args.length; i++) {
var argName = gloader._modules[m.id].builder.args[i];
gloader._modules[m.id].builder.args[i] = gloader._modules[m.builder.args[i]].implementation;
gloader._modules[m.id].builder.args[i].name = argName;
}
gloader._modules[m.id].implementation = gloader._modules[m.id].builder.apply(null, gloader._modules[m.id].builder.args);
gloader._modules[m.id].status = gloader.Module.IMPLEMENTED;
for (var i = 0; i < gloader._requests.length; i++) {
gloader._requests[i].release(m.id);
}
},
/** Follow chain of modules and dependents being released. */
resolve: function() { /*debug*///console.log("gloader.resolve()");
MODULES: for (var m in gloader._modules) {
var module = gloader._modules[m];
if (module.status == gloader.Module.PROVIDED) {
for (var j = 0; j < module.depends.length; j++) {
var dModule = gloader._modules[module.depends[j]];
if (!dModule || dModule.status != gloader.Module.IMPLEMENTED) {
continue MODULES;
}
}
gloader.implement(module);
gloader.resolve();
}
}
},
/** Find all requests to which a given module belong. */
getRequests: function(m) { /*debug*///console.log("gloader.getRequests("+m.id+")");
var requests = [];
REQUESTS: for (var i = 0; i < gloader._requests.length; i++) {
var request = gloader._requests[i];
for (var j = 0; j < request.waits.length; j++) {
if (request.waits[j] == m.id) {
requests.push(request);
break REQUESTS;
}
}
}
return requests;
},
/** Turn a nested array of module defs into a flat array of id strings. */
toIds: function(lib) {
var result = [];
for (var i = 0; i < lib.length; i++) {
var mods = lib[i];
var libName = mods.shift(); // modifies array mods refers to
var libVersion = mods.shift();
var libId = libName+"/"+gloader.map.latest(libName, libVersion);
result.push(libId+"/"+libName);
for (var j = 0; j < mods.length; j++) {
result.push(libId+"/"+mods[j]);
}
}
return result;
}
};
/**
A request, made by the user, for one or more modules to be loaded.
@constructor
*/
gloader.Request = function(r) { /*debug*///console.log("gloader.Request("+r+")");
this.waits = [];
this.status = gloader.Request.INITIAL;
// normalize synonyms
if (r.onLoad) r.onload = r.onLoad;
if (r.onTimeout) r.ontimeout = r.onTimeout;
// is this module implicitly meant to set global variables (no sandbox)?
if (!r.async && !r.onload) { this.setGlobal = true; }
this.async = (typeof r.async != "undefined")? r.async : false;
this.onload = r.onload;
if (r.ontimeout) {
if (typeof r.timeout == "undefined") r.timeout = 20000; // 20 seconds
this.timeoutRef = setTimeout(r.ontimeout, r.timeout);
}
}
gloader.Request.INITIAL = -1;
gloader.Request.WAITING = 0;
gloader.Request.COMPLETED = 1;
/** Need to wait for another module before we can complete. */
gloader.Request.prototype.include = function(mId) { /*debug*///console.log("gloader.Request#include("+mId+")");
for (var i = 0; i < this.waits.length; i++) {
if (this.waits[i] == mId) return;
}
this.waits.push(mId);
}
/** Some module we are waiting for has become available, check if we can complete. */
gloader.Request.prototype.release = function(mId) { /*debug*///console.log("gloader.Request#release("+mId+")");
var implementCount = 0;
for (var i = 0; i < this.waits.length; i++) {
var wModule = gloader._modules[this.waits[i]];
if (wModule && wModule.status == gloader.Module.IMPLEMENTED) {
implementCount++;
}
}
if (implementCount == this.waits.length) {
this.complete();
}
}
/** All modules for a request are available now. We can complete the request. */
gloader.Request.prototype.complete = function() { /*debug*///console.log("gloader.Request#complete()");
if (this.setGlobal) {
for (var i = 0; i < this.waits.length; i++) {
var gModule = gloader._modules[this.waits[i]];
window[gModule.name] = gloader._modules[this.waits[i]].implementation
}
}
if (this.status == gloader.Request.COMPLETED) return;
this.status = gloader.Request.COMPLETED;
if (this.timeoutRef) clearTimeout(this.timeoutRef);
for (var i = 0; i < this.args.length; i++) {
this.args[i] = gloader._modules[this.args[i]].implementation;
}
if (this.onload) this.onload.apply(null, this.args);
}
/**
Represents a module that can be in any state of loaded.
@constructor
*/
gloader.Module = function(mId) {
this.id = mId;
this.name = mId.split("/").pop();
this.status = gloader.Module.INITIAL;
this.css = gloader.map.css[mId];
}
gloader.Module.INITIAL = -1;
gloader.Module.REQUESTED = 0;
gloader.Module.FETCHED = 1;
gloader.Module.PROVIDED = 2;
gloader.Module.IMPLEMENTED = 3;
// for modules that need to detect dom readiness, but get loaded too late...
gloader.isReady = false;
(function(){
var d = document;
if (/*@cc_on!@*/false) {
// polling for no errors
if (typeof window.frameElement != 'undefined') {
// we can't use doScroll to test if we're in an iframe...
d.attachEvent("onreadystatechange", function() {
if (d.readyState == "complete") {
d.detachEvent("onreadystatechange", arguments.callee);
gloader.isReady = true;
}
});
}
else {
(function () {
try {
// throws errors until after ondocumentready
d.documentElement.doScroll('left');
}
catch (e) {
setTimeout(arguments.callee, 50);
return;
}
// no errors
gloader.isReady = true;
})();
}
}
else if (typeof d.readyState != 'undefined') {
var f = function() {
/loaded|complete/.test(d.readyState) ? gloader.isReady = true : setTimeout(f, 10);
};
f();
}
else {
var callback = function () {
if (arguments.callee.fired) { return; }
arguments.callee.fired = true;
if (gloader) gloader.isReady = true;
};
if (d.addEventListener) {
d.addEventListener("DOMContentLoaded", callback, false);
}
var oldOnload = window.onload;
window.onload = function () {
if (oldOnload) { oldOnload(); }
callback();
};
}
})();
gloader.map.setProperties = function(libraryName, props) { /*debug*///console.log("gloader.map.setProperties("+libraryName+", "+props.toSource()+")");
if (typeof gloader.mapProps == "undefined") gloader.mapProps = {};
if (typeof gloader.mapProps[libraryName] == "undefined") gloader.mapProps[libraryName] = {};
for (var p in props) {
gloader.mapProps[libraryName][p] = props[p];
}
}
gloader.use = function(name, opts) { /*debug*///console.log("gloader.use("+name+", "+opts+")")
name = (name || "glow");
opts = (opts || {});
var properties = {};
for (var opts_name in opts) {
var property_name = (opts_name.indexOf('$') == 0)? opts_name : '$'+opts_name;
properties[property_name] = opts[opts_name];
}
// default values
properties.$debug = (properties.$debug || "");
properties.$base = (properties.$base || gloader._baseDir+name+"/{$version}/");
properties.$map = (properties.$map || gloader._baseDir+name+"/map.js");
gloader.map.setProperties(
name,
properties
);
gloader.map.include(properties.$map);
};
})();
// using Resig's "degrading script" pattern.
// last script tag on the page with src=gloader.js wins.
(function() {
var scripts = document.getElementsByTagName("script");
for (var i = scripts.length-1; i >= 0; i--) {
// does this script tag look like it is pointing to gloader?
var src = scripts[i].getAttribute("src");
var filespec = gloader.util.getGloaderFile(src);
if (typeof filespec != "undefined") {
gloader._baseDir = filespec.dir;
// is the content of this script node non-empty? is so then eval the contents
var gloaderScript = scripts[i].innerHTML;
if (/\S/.test(gloaderScript)) {
eval(gloaderScript);
}
// the user should have configured gloader by now, if not we configure it ourselves with defaults
var mapped = false;
for (var p in gloader.map._include) { mapped = true; continue; }
if (!mapped) { gloader.use(); } // no maps mean the configuration didn't happen?
break;
}
}
})(); gloader/0.1.2/gloader.js 100644 0 0 35710 11244462144 12263 0 ustar 0 0 /*
Copyright 2009 British Broadcasting Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
(function(){if(window.gloader){return;}window.gloader={_requests:[],_modules:{},_expects:{},_extras:{},_errors:[],util:{getGloaderFile:function(filepath){if(filepath&&/(^|^.*[\/\\])(gloader(\.[^\/\\]+)?\.js)(\?|$)/i.test(filepath)){var dir=RegExp.$1;if(dir){dir=dir.replace("cached/","");}return{dir:dir,name:RegExp.$2};}return undefined;}},map:{js:{},css:{},parse:function(libraryName,libraryVersions){var lib={name:libraryName,versions:[]};var scope={};var scopeProps=["$name","$version","$base"];scopeProps.has=function(what){for(var i=0;i<\/script>\n');gloader.map._include[src]=true;return true;}},_include:{},latest:function(libName,v){if(gloader.map.$latest[libName+"/"+v]){return gloader.map.$latest[libName+"/"+v];}var result=v;var parts=v.split(".");if(parts.length<3){if(parts[0]==parseInt(parts[0])&&(typeof parts[1]=="undefined"||parts[1]==parseInt(parts[1]))){var invalid=new RegExp("[a-zA-Z-]"),latest=[parts[0],null,null],mod;for(mod in gloader.map.js){var modParts=mod.split("/");if(modParts[0]==libName&&modParts[2]==libName&&!invalid.test(modParts[1])){var modVParts=modParts[1].split(".");if(modVParts[0]==parts[0]){if((typeof parts[1]=="undefined"&&(latest[1]<=modVParts[1]||(latest[1]==modVParts[1]&&latest[2]<=modVParts[2])))||(typeof parts[1]!="undefined"&&parts[1]==modVParts[1]&&latest[2]<=modVParts[2])){latest[1]=modVParts[1];latest[2]=modVParts[2];}}}}if(latest[2]!=null){result=latest.join(".");}}}gloader.map.$latest[libName+"/"+v]=result;return result;},$latest:{}},settings:{ns:"bbc.glow.gloader",get:function(name){var n=" "+gloader.settings.ns+"."+name+"=";var cookies=document.cookie.split(";");for(var i=0;i-1){return unescape(cookies[i].split("=")[1]);}}},set:function(name,value,path){var n=gloader.settings.ns+"."+name;document.cookie=n+"="+escape(value)+"; path="+((path)?path:"/")+";";},clear:function(name,path){var d=new Date();d.setTime(d.getTime()-1);var n=gloader.settings.ns+"."+name;document.cookie=n+"=; path="+((path)?path:"/")+"; expires=Thu, 01-Jan-70 00:00:01 GMT;";}},loadOverride:function(version){var current=gloader.settings.get("override");version=version||prompt("Enter version",current?current:"");if(version===""){gloader.settings.clear("override");}else{if(version!==null){gloader.settings.set("override",version);}}location.reload();},loadDebug:function(){gloader.settings.set("debug","1");location.reload();},unloadDebug:function(){gloader.settings.clear("debug");location.reload();},expect:function(srcFile){srcFile=""+srcFile;var modsInFile=[];var modId;for(modId in gloader.map.js){if(gloader.map.js[modId]==srcFile){modsInFile.push(modId);gloader._expects[modId]=(gloader._expects[modId]||0)+1;}}},load:function(){var r={};if(typeof arguments[arguments.length-1].length=="undefined"){r=arguments[arguments.length-1];arguments.length--;}var newRequest=new gloader.Request(r);gloader._requests.push(newRequest);var mods=[];var override=gloader.settings.get("override");for(var i=0;i0){newRequest.status=gloader.Request.WAITING;gloader.request(ids,newRequest.async);gloader.resolve();}else{newRequest.complete();}},request:function(mIds,async){for(var i=0;i=gloader.Module.FETCHED);gloader.fetch(gloader._modules[m],async,force);}}},fetch:function(m,async,force){gloader._modules[m.id].async=async;var cssSrc=gloader.map.css[m.id];if(cssSrc&&(force||!gloader._fetched[cssSrc])){gloader._fetched[cssSrc]={};if(document){var headElement;if(headElement=document.getElementsByTagName("head")[0]){var link;if(link=document.createElement("link")){link.href=cssSrc;link.rel="stylesheet";link.type="text/css";link.className="gloaded async";headElement.appendChild(link);}}else{document.write('');}}}var jsSrc=gloader.map.js[m.id];if(!jsSrc){var msg="The gloader map is missing a JavaScript filepath for the module: "+m.id;var maps=[];for(var included_map in gloader.map._include){maps.push(included_map);}msg+=".\rMaps included are: "+maps.join(", ")+".";gloader._errors.push(msg);throw new Error(msg);}if(jsSrc){if(!gloader._fetched[jsSrc]||(!gloader._fetched[jsSrc].sync&&force)){gloader._fetched[jsSrc]={};gloader.expect(jsSrc);if(async){gloader._fetched[jsSrc].async=true;var headElement=document.getElementsByTagName("head")[0];var scriptElement=document.createElement("script");scriptElement.type="text/javascript";scriptElement.src=jsSrc;scriptElement.className="gloaded async";headElement.appendChild(scriptElement);}else{gloader._fetched[jsSrc].sync=true;document.write('