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mirror of https://git.tt-rss.org/git/tt-rss.git synced 2025-12-14 00:55:55 +00:00

build custom layer of Dojo to speed up loading of tt-rss (refs #293)

This commit is contained in:
Andrew Dolgov
2011-03-04 19:02:28 +03:00
parent cfad9259a6
commit a089699c89
144 changed files with 55627 additions and 13766 deletions

View File

@@ -5,268 +5,448 @@
*/
if(!dojo._hasResource["dojo.parser"]){
dojo._hasResource["dojo.parser"]=true;
if(!dojo._hasResource["dojo.parser"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo.parser"] = true;
dojo.provide("dojo.parser");
dojo.require("dojo.date.stamp");
new Date("X");
dojo.parser=new function(){
var d=dojo;
this._attrName=d._scopeName+"Type";
this._query="["+this._attrName+"]";
function _1(_2){
if(d.isString(_2)){
return "string";
}
if(typeof _2=="number"){
return "number";
}
if(typeof _2=="boolean"){
return "boolean";
}
if(d.isFunction(_2)){
return "function";
}
if(d.isArray(_2)){
return "array";
}
if(_2 instanceof Date){
return "date";
}
if(_2 instanceof d._Url){
return "url";
}
return "object";
};
function _3(_4,_5){
switch(_5){
case "string":
return _4;
case "number":
return _4.length?Number(_4):NaN;
case "boolean":
return typeof _4=="boolean"?_4:!(_4.toLowerCase()=="false");
case "function":
if(d.isFunction(_4)){
_4=_4.toString();
_4=d.trim(_4.substring(_4.indexOf("{")+1,_4.length-1));
}
try{
if(_4===""||_4.search(/[^\w\.]+/i)!=-1){
return new Function(_4);
}else{
return d.getObject(_4,false)||new Function(_4);
}
}
catch(e){
return new Function();
}
case "array":
return _4?_4.split(/\s*,\s*/):[];
case "date":
switch(_4){
case "":
return new Date("");
case "now":
return new Date();
default:
return d.date.stamp.fromISOString(_4);
}
case "url":
return d.baseUrl+_4;
default:
return d.fromJson(_4);
}
};
var _6={};
dojo.connect(dojo,"extend",function(){
_6={};
});
function _7(_8){
if(!_6[_8]){
var _9=d.getObject(_8);
if(!_9){
return null;
}
var _a=_9.prototype;
var _b={},_c={};
for(var _d in _a){
if(_d.charAt(0)=="_"){
continue;
}
if(_d in _c){
continue;
}
var _e=_a[_d];
_b[_d]=_1(_e);
}
_6[_8]={cls:_9,params:_b};
}
return _6[_8];
};
this._functionFromScript=function(_f){
var _10="";
var _11="";
var _12=_f.getAttribute("args");
if(_12){
d.forEach(_12.split(/\s*,\s*/),function(_13,idx){
_10+="var "+_13+" = arguments["+idx+"]; ";
});
}
var _14=_f.getAttribute("with");
if(_14&&_14.length){
d.forEach(_14.split(/\s*,\s*/),function(_15){
_10+="with("+_15+"){";
_11+="}";
});
}
return new Function(_10+_f.innerHTML+_11);
};
this.instantiate=function(_16,_17,_18){
var _19=[],dp=dojo.parser;
_17=_17||{};
_18=_18||{};
d.forEach(_16,function(obj){
if(!obj){
return;
}
var _1a,_1b,_1c,_1d,_1e;
if(obj.node){
_1a=obj.node;
_1b=obj.type;
_1c=obj.clsInfo||(_1b&&_7(_1b));
_1d=_1c&&_1c.cls;
_1e=obj.scripts;
}else{
_1a=obj;
_1b=dp._attrName in _17?_17[dp._attrName]:_1a.getAttribute(dp._attrName);
_1c=_1b&&_7(_1b);
_1d=_1c&&_1c.cls;
_1e=(_1d&&(_1d._noScript||_1d.prototype._noScript)?[]:d.query("> script[type^='dojo/']",_1a));
}
if(!_1c){
throw new Error("Could not load class '"+_1b);
}
var _1f={},_20=_1a.attributes;
if(_18.defaults){
dojo.mixin(_1f,_18.defaults);
}
if(obj.inherited){
dojo.mixin(_1f,obj.inherited);
}
for(var _21 in _1c.params){
var _22=_21 in _17?{value:_17[_21],specified:true}:_20.getNamedItem(_21);
if(!_22||(!_22.specified&&(!dojo.isIE||_21.toLowerCase()!="value"))){
continue;
}
var _23=_22.value;
switch(_21){
case "class":
_23="className" in _17?_17.className:_1a.className;
break;
case "style":
_23="style" in _17?_17.style:(_1a.style&&_1a.style.cssText);
}
var _24=_1c.params[_21];
if(typeof _23=="string"){
_1f[_21]=_3(_23,_24);
}else{
_1f[_21]=_23;
}
}
var _25=[],_26=[];
d.forEach(_1e,function(_27){
_1a.removeChild(_27);
var _28=_27.getAttribute("event"),_1b=_27.getAttribute("type"),nf=d.parser._functionFromScript(_27);
if(_28){
if(_1b=="dojo/connect"){
_25.push({event:_28,func:nf});
}else{
_1f[_28]=nf;
}
}else{
_26.push(nf);
}
});
var _29=_1d.markupFactory||_1d.prototype&&_1d.prototype.markupFactory;
var _2a=_29?_29(_1f,_1a,_1d):new _1d(_1f,_1a);
_19.push(_2a);
var _2b=_1a.getAttribute("jsId");
if(_2b){
d.setObject(_2b,_2a);
}
d.forEach(_25,function(_2c){
d.connect(_2a,_2c.event,null,_2c.func);
});
d.forEach(_26,function(_2d){
_2d.call(_2a);
});
});
if(!_17._started){
d.forEach(_19,function(_2e){
if(!_18.noStart&&_2e&&_2e.startup&&!_2e._started&&(!_2e.getParent||!_2e.getParent())){
_2e.startup();
}
});
}
return _19;
};
this.parse=function(_2f,_30){
var _31;
if(!_30&&_2f&&_2f.rootNode){
_30=_2f;
_31=_30.rootNode;
}else{
_31=_2f;
}
var _32=this._attrName;
function _33(_34,_35){
var _36=dojo.clone(_34.inherited);
dojo.forEach(["dir","lang"],function(_37){
var val=_34.node.getAttribute(_37);
if(val){
_36[_37]=val;
}
});
var _38=_34.scripts;
var _39=!_34.clsInfo||!_34.clsInfo.cls.prototype.stopParser;
for(var _3a=_34.node.firstChild;_3a;_3a=_3a.nextSibling){
if(_3a.nodeType==1){
var _3b=_39&&_3a.getAttribute(_32);
if(_3b){
var _3c={"type":_3b,clsInfo:_7(_3b),node:_3a,scripts:[],inherited:_36};
_35.push(_3c);
_33(_3c,_35);
}else{
if(_38&&_3a.nodeName.toLowerCase()=="script"){
_3b=_3a.getAttribute("type");
if(_3b&&/^dojo\//i.test(_3b)){
_38.push(_3a);
}
}else{
if(_39){
_33({node:_3a,inherited:_36},_35);
}
}
}
}
}
};
var _3d=[];
_33({node:_31?dojo.byId(_31):dojo.body(),inherited:(_30&&_30.inherited)||{dir:dojo._isBodyLtr()?"ltr":"rtl"}},_3d);
return this.instantiate(_3d,null,_30);
};
new Date("X"); // workaround for #11279, new Date("") == NaN
dojo.parser = new function(){
// summary: The Dom/Widget parsing package
var d = dojo;
this._attrName = d._scopeName + "Type";
this._query = "[" + this._attrName + "]";
function val2type(/*Object*/ value){
// summary:
// Returns name of type of given value.
if(d.isString(value)){ return "string"; }
if(typeof value == "number"){ return "number"; }
if(typeof value == "boolean"){ return "boolean"; }
if(d.isFunction(value)){ return "function"; }
if(d.isArray(value)){ return "array"; } // typeof [] == "object"
if(value instanceof Date) { return "date"; } // assume timestamp
if(value instanceof d._Url){ return "url"; }
return "object";
}
function str2obj(/*String*/ value, /*String*/ type){
// summary:
// Convert given string value to given type
switch(type){
case "string":
return value;
case "number":
return value.length ? Number(value) : NaN;
case "boolean":
// for checked/disabled value might be "" or "checked". interpret as true.
return typeof value == "boolean" ? value : !(value.toLowerCase()=="false");
case "function":
if(d.isFunction(value)){
// IE gives us a function, even when we say something like onClick="foo"
// (in which case it gives us an invalid function "function(){ foo }").
// Therefore, convert to string
value=value.toString();
value=d.trim(value.substring(value.indexOf('{')+1, value.length-1));
}
try{
if(value === "" || value.search(/[^\w\.]+/i) != -1){
// The user has specified some text for a function like "return x+5"
return new Function(value);
}else{
// The user has specified the name of a function like "myOnClick"
// or a single word function "return"
return d.getObject(value, false) || new Function(value);
}
}catch(e){ return new Function(); }
case "array":
return value ? value.split(/\s*,\s*/) : [];
case "date":
switch(value){
case "": return new Date(""); // the NaN of dates
case "now": return new Date(); // current date
default: return d.date.stamp.fromISOString(value);
}
case "url":
return d.baseUrl + value;
default:
return d.fromJson(value);
}
}
var instanceClasses = {
// map from fully qualified name (like "dijit.Button") to structure like
// { cls: dijit.Button, params: {label: "string", disabled: "boolean"} }
};
// Widgets like BorderContainer add properties to _Widget via dojo.extend().
// If BorderContainer is loaded after _Widget's parameter list has been cached,
// we need to refresh that parameter list (for _Widget and all widgets that extend _Widget).
dojo.connect(dojo, "extend", function(){
instanceClasses = {};
});
function getClassInfo(/*String*/ className){
// className:
// fully qualified name (like "dijit.form.Button")
// returns:
// structure like
// {
// cls: dijit.Button,
// params: { label: "string", disabled: "boolean"}
// }
if(!instanceClasses[className]){
// get pointer to widget class
var cls = d.getObject(className);
if(!cls){ return null; } // class not defined [yet]
var proto = cls.prototype;
// get table of parameter names & types
var params = {}, dummyClass = {};
for(var name in proto){
if(name.charAt(0)=="_"){ continue; } // skip internal properties
if(name in dummyClass){ continue; } // skip "constructor" and "toString"
var defVal = proto[name];
params[name]=val2type(defVal);
}
instanceClasses[className] = { cls: cls, params: params };
}
return instanceClasses[className];
}
this._functionFromScript = function(script){
var preamble = "";
var suffix = "";
var argsStr = script.getAttribute("args");
if(argsStr){
d.forEach(argsStr.split(/\s*,\s*/), function(part, idx){
preamble += "var "+part+" = arguments["+idx+"]; ";
});
}
var withStr = script.getAttribute("with");
if(withStr && withStr.length){
d.forEach(withStr.split(/\s*,\s*/), function(part){
preamble += "with("+part+"){";
suffix += "}";
});
}
return new Function(preamble+script.innerHTML+suffix);
}
this.instantiate = function(/* Array */nodes, /* Object? */mixin, /* Object? */args){
// summary:
// Takes array of nodes, and turns them into class instances and
// potentially calls a startup method to allow them to connect with
// any children.
// nodes: Array
// Array of nodes or objects like
// | {
// | type: "dijit.form.Button",
// | node: DOMNode,
// | scripts: [ ... ], // array of <script type="dojo/..."> children of node
// | inherited: { ... } // settings inherited from ancestors like dir, theme, etc.
// | }
// mixin: Object?
// An object that will be mixed in with each node in the array.
// Values in the mixin will override values in the node, if they
// exist.
// args: Object?
// An object used to hold kwArgs for instantiation.
// Supports 'noStart' and inherited.
var thelist = [], dp = dojo.parser;
mixin = mixin||{};
args = args||{};
d.forEach(nodes, function(obj){
if(!obj){ return; }
// Get pointers to DOMNode, dojoType string, and clsInfo (metadata about the dojoType), etc.s
var node, type, clsInfo, clazz, scripts;
if(obj.node){
// new format of nodes[] array, object w/lots of properties pre-computed for me
node = obj.node;
type = obj.type;
clsInfo = obj.clsInfo || (type && getClassInfo(type));
clazz = clsInfo && clsInfo.cls;
scripts = obj.scripts;
}else{
// old (backwards compatible) format of nodes[] array, simple array of DOMNodes
node = obj;
type = dp._attrName in mixin ? mixin[dp._attrName] : node.getAttribute(dp._attrName);
clsInfo = type && getClassInfo(type);
clazz = clsInfo && clsInfo.cls;
scripts = (clazz && (clazz._noScript || clazz.prototype._noScript) ? [] :
d.query("> script[type^='dojo/']", node));
}
if(!clsInfo){
throw new Error("Could not load class '" + type);
}
// Setup hash to hold parameter settings for this widget. Start with the parameter
// settings inherited from ancestors ("dir" and "lang").
// Inherited setting may later be overridden by explicit settings on node itself.
var params = {},
attributes = node.attributes;
if(args.defaults){
// settings for the document itself (or whatever subtree is being parsed)
dojo.mixin(params, args.defaults);
}
if(obj.inherited){
// settings from dir=rtl or lang=... on a node above this node
dojo.mixin(params, obj.inherited);
}
// read parameters (ie, attributes) specified on DOMNode
// clsInfo.params lists expected params like {"checked": "boolean", "n": "number"}
for(var name in clsInfo.params){
var item = name in mixin?{value:mixin[name],specified:true}:attributes.getNamedItem(name);
if(!item || (!item.specified && (!dojo.isIE || name.toLowerCase()!="value"))){ continue; }
var value = item.value;
// Deal with IE quirks for 'class' and 'style'
switch(name){
case "class":
value = "className" in mixin?mixin.className:node.className;
break;
case "style":
value = "style" in mixin?mixin.style:(node.style && node.style.cssText); // FIXME: Opera?
}
var _type = clsInfo.params[name];
if(typeof value == "string"){
params[name] = str2obj(value, _type);
}else{
params[name] = value;
}
}
// Process <script type="dojo/*"> script tags
// <script type="dojo/method" event="foo"> tags are added to params, and passed to
// the widget on instantiation.
// <script type="dojo/method"> tags (with no event) are executed after instantiation
// <script type="dojo/connect" event="foo"> tags are dojo.connected after instantiation
// note: dojo/* script tags cannot exist in self closing widgets, like <input />
var connects = [], // functions to connect after instantiation
calls = []; // functions to call after instantiation
d.forEach(scripts, function(script){
node.removeChild(script);
var event = script.getAttribute("event"),
type = script.getAttribute("type"),
nf = d.parser._functionFromScript(script);
if(event){
if(type == "dojo/connect"){
connects.push({event: event, func: nf});
}else{
params[event] = nf;
}
}else{
calls.push(nf);
}
});
var markupFactory = clazz.markupFactory || clazz.prototype && clazz.prototype.markupFactory;
// create the instance
var instance = markupFactory ? markupFactory(params, node, clazz) : new clazz(params, node);
thelist.push(instance);
// map it to the JS namespace if that makes sense
var jsname = node.getAttribute("jsId");
if(jsname){
d.setObject(jsname, instance);
}
// process connections and startup functions
d.forEach(connects, function(connect){
d.connect(instance, connect.event, null, connect.func);
});
d.forEach(calls, function(func){
func.call(instance);
});
});
// Call startup on each top level instance if it makes sense (as for
// widgets). Parent widgets will recursively call startup on their
// (non-top level) children
if(!mixin._started){
// TODO: for 2.0, when old instantiate() API is desupported, store parent-child
// relationships in the nodes[] array so that no getParent() call is needed.
// Note that will require a parse() call from ContentPane setting a param that the
// ContentPane is the parent widget (so that the parse doesn't call startup() on the
// ContentPane's children)
d.forEach(thelist, function(instance){
if( !args.noStart && instance &&
instance.startup &&
!instance._started &&
(!instance.getParent || !instance.getParent())
){
instance.startup();
}
});
}
return thelist;
};
this.parse = function(/*DomNode?*/ rootNode, /* Object? */ args){
// summary:
// Scan the DOM for class instances, and instantiate them.
//
// description:
// Search specified node (or root node) recursively for class instances,
// and instantiate them Searches for
// dojoType="qualified.class.name"
//
// rootNode: DomNode?
// A default starting root node from which to start the parsing. Can be
// omitted, defaulting to the entire document. If omitted, the `args`
// object can be passed in this place. If the `args` object has a
// `rootNode` member, that is used.
//
// args:
// a kwArgs object passed along to instantiate()
//
// * noStart: Boolean?
// when set will prevent the parser from calling .startup()
// when locating the nodes.
// * rootNode: DomNode?
// identical to the function's `rootNode` argument, though
// allowed to be passed in via this `args object.
// * inherited: Object
// Hash possibly containing dir and lang settings to be applied to
// parsed widgets, unless there's another setting on a sub-node that overrides
//
//
// example:
// Parse all widgets on a page:
// | dojo.parser.parse();
//
// example:
// Parse all classes within the node with id="foo"
// | dojo.parser.parse(dojo.byId(foo));
//
// example:
// Parse all classes in a page, but do not call .startup() on any
// child
// | dojo.parser.parse({ noStart: true })
//
// example:
// Parse all classes in a node, but do not call .startup()
// | dojo.parser.parse(someNode, { noStart:true });
// | // or
// | dojo.parser.parse({ noStart:true, rootNode: someNode });
// determine the root node based on the passed arguments.
var root;
if(!args && rootNode && rootNode.rootNode){
args = rootNode;
root = args.rootNode;
}else{
root = rootNode;
}
var attrName = this._attrName;
function scan(parent, list){
// summary:
// Parent is an Object representing a DOMNode, with or without a dojoType specified.
// Scan parent's children looking for nodes with dojoType specified, storing in list[].
// If parent has a dojoType, also collects <script type=dojo/*> children and stores in parent.scripts[].
// parent: Object
// Object representing the parent node, like
// | {
// | node: DomNode, // scan children of this node
// | inherited: {dir: "rtl"}, // dir/lang setting inherited from above node
// |
// | // attributes only set if node has dojoType specified
// | scripts: [], // empty array, put <script type=dojo/*> in here
// | clsInfo: { cls: dijit.form.Button, ...}
// | }
// list: DomNode[]
// Output array of objects (same format as parent) representing nodes to be turned into widgets
// Effective dir and lang settings on parent node, either set directly or inherited from grandparent
var inherited = dojo.clone(parent.inherited);
dojo.forEach(["dir", "lang"], function(name){
var val = parent.node.getAttribute(name);
if(val){
inherited[name] = val;
}
});
// if parent is a widget, then search for <script type=dojo/*> tags and put them in scripts[].
var scripts = parent.scripts;
// unless parent is a widget with the stopParser flag set, continue search for dojoType, recursively
var recurse = !parent.clsInfo || !parent.clsInfo.cls.prototype.stopParser;
// scan parent's children looking for dojoType and <script type=dojo/*>
for(var child = parent.node.firstChild; child; child = child.nextSibling){
if(child.nodeType == 1){
var type = recurse && child.getAttribute(attrName);
if(type){
// if dojoType specified, add to output array of nodes to instantiate
var params = {
"type": type,
clsInfo: getClassInfo(type), // note: won't find classes declared via dojo.Declaration
node: child,
scripts: [], // <script> nodes that are parent's children
inherited: inherited // dir & lang attributes inherited from parent
};
list.push(params);
// Recurse, collecting <script type="dojo/..."> children, and also looking for
// descendant nodes with dojoType specified (unless the widget has the stopParser flag),
scan(params, list);
}else if(scripts && child.nodeName.toLowerCase() == "script"){
// if <script type="dojo/...">, save in scripts[]
type = child.getAttribute("type");
if (type && /^dojo\//i.test(type)) {
scripts.push(child);
}
}else if(recurse){
// Recurse, looking for grandchild nodes with dojoType specified
scan({
node: child,
inherited: inherited
}, list);
}
}
}
}
// Make list of all nodes on page w/dojoType specified
var list = [];
scan({
node: root ? dojo.byId(root) : dojo.body(),
inherited: (args && args.inherited) || {
dir: dojo._isBodyLtr() ? "ltr" : "rtl"
}
}, list);
// go build the object instances
return this.instantiate(list, null, args); // Array
};
}();
//Register the parser callback. It should be the first callback
//after the a11y test.
(function(){
var _3e=function(){
if(dojo.config.parseOnLoad){
dojo.parser.parse();
}
};
if(dojo.exists("dijit.wai.onload")&&(dijit.wai.onload===dojo._loaders[0])){
dojo._loaders.splice(1,0,_3e);
}else{
dojo._loaders.unshift(_3e);
}
var parseRunner = function(){
if(dojo.config.parseOnLoad){
dojo.parser.parse();
}
};
// FIXME: need to clobber cross-dependency!!
if(dojo.exists("dijit.wai.onload") && (dijit.wai.onload === dojo._loaders[0])){
dojo._loaders.splice(1, 0, parseRunner);
}else{
dojo._loaders.unshift(parseRunner);
}
})();
}