docs.js

Hippo CMS是一个以信息为中心的开源内容管理系统。Hippo CMS目标是供中,大型企业来管理其发布在互连网

/*
	Copyright (c) 2004-2006, The Dojo Foundation
	All Rights Reserved.

	Licensed under the Academic Free License version 2.1 or above OR the
	modified BSD license. For more information on Dojo licensing, see:

		http://dojotoolkit.org/community/licensing.shtml
*/

dojo.provide("dojo.docs");
dojo.require("dojo.io.*");
dojo.require("dojo.event.topic");
dojo.require("dojo.rpc.JotService");
dojo.require("dojo.dom");
dojo.require("dojo.uri.Uri");
dojo.require("dojo.Deferred");
dojo.require("dojo.DeferredList");

/*
 * TODO:
 *
 * Package summary needs to compensate for "is"
 * Handle host environments
 * Deal with dojo.widget weirdness
 * Parse parameters
 * Limit function parameters to only the valid ones (Involves packing parameters onto meta during rewriting)
 *
 */

dojo.docs = new function() {
	this._url = dojo.uri.dojoUri("docscripts");
	this._rpc = new dojo.rpc.JotService;
	this._rpc.serviceUrl = dojo.uri.dojoUri("docscripts/jsonrpc.php");
};
dojo.lang.mixin(dojo.docs, {
	_count: 0,
	_callbacks: {function_names: []},
	_cache: {}, // Saves the JSON objects in cache
	require: function(/*String*/ require, /*bool*/ sync) {
		dojo.debug("require(): " + require);
		var parts = require.split("/");
		
		var size = parts.length;
		var deferred = new dojo.Deferred;
		var args = {
			mimetype: "text/json",
			load: function(type, data){
				dojo.debug("require(): loaded for " + require);
				
				if(parts[0] != "function_names") {
					for(var i = 0, part; part = parts[i]; i++){
						data = data[part];
					}
				}
				deferred.callback(data);
			},
			error: function(){
				deferred.errback();
			}
		};

		if(location.protocol == "file:"){
			if(size){
				if(parts[parts.length - 1] == "documentation"){
					parts[parts.length - 1] = "meta";
				}
			
				if(parts[0] == "function_names"){
					args.url = [this._url, "local_json", "function_names"].join("/");
				}else{
					var dirs = parts[0].split(".");
					args.url = [this._url, "local_json", dirs[0]].join("/");
					if(dirs.length > 1){
						args.url = [args.url, dirs[1]].join(".");
					}
				}
			}
		}
		
		dojo.io.bind(args);
		return deferred;
	},
	getFunctionNames: function(){
		return this.require("function_names"); // dojo.Deferred
	},
	unFormat: function(/*String*/ string){
		var fString = string;
		if(string.charAt(string.length - 1) == "_"){
			fString = [string.substring(0, string.length - 1), "*"].join("");
		}
		return fString;
	},
	getMeta: function(/*String*/ pkg, /*String*/ name, /*Function*/ callback, /*String?*/ id){
		// summary: Gets information about a function in regards to its meta data
		if(typeof name == "function"){
			// pId: a
			// pkg: ignore
			id = callback;
			callback = name;
			name = pkg;
			pkg = null;
			dojo.debug("getMeta(" + name + ")");
		}else{
			dojo.debug("getMeta(" + pkg + "/" + name + ")");
		}
		
		if(!id){
			id = "_";
		}
	},
	_withPkg: function(/*String*/ type, /*Object*/ data, /*Object*/ evt, /*Object*/ input, /*String*/ newType){
		dojo.debug("_withPkg(" + evt.name + ") has package: " + data[0]);
		evt.pkg = data[0];
		if("load" == type && evt.pkg){
			evt.type = newType;
		}else{
			if(evt.callbacks && evt.callbacks.length){
				evt.callbacks.shift()("error", {}, evt, evt.input);
			}
		}
	},
	_gotMeta: function(/*String*/ type, /*Object*/ data, /*Object*/ evt){
		dojo.debug("_gotMeta(" + evt.name + ")");

		var cached = dojo.docs._getCache(evt.pkg, evt.name, "meta", "functions", evt.id);
		if(cached.summary){
			data.summary = cached.summary;
		}
		if(evt.callbacks && evt.callbacks.length){
			evt.callbacks.shift()(type, data, evt, evt.input);
		}
	},
	getSrc: function(/*String*/ name, /*Function*/ callback, /*String?*/ id){
		// summary: Gets src file (created by the doc parser)
		dojo.debug("getSrc(" + name + ")");
		if(!id){
			id = "_";
		}
	},
	getDoc: function(/*String*/ name, /*Function*/ callback, /*String?*/ id){
		// summary: Gets external documentation stored on Jot for a given function
		dojo.debug("getDoc(" + name  + ")");

		if(!id){
			id = "_";
		}

		var input = {};

		input.type = "doc";
		input.name = name;
		input.callbacks = [callback];
	},
	_gotDoc: function(/*String*/ type, /*Array*/ data, /*Object*/ evt, /*Object*/ input){
		dojo.debug("_gotDoc(" + evt.type + ")");
		
		evt[evt.type] = data;
		if(evt.expects && evt.expects.doc){
			for(var i = 0, expect; expect = evt.expects.doc[i]; i++){
				if(!(expect in evt)){
					dojo.debug("_gotDoc() waiting for more data");
					return;
				}
			}
		}
		
		var cache = dojo.docs._getCache(evt.pkg, "meta", "functions", evt.name, evt.id, "meta");

		var description = evt.fn.description;
		cache.description = description;
		data = {
			returns: evt.fn.returns,
			id: evt.id,
			variables: []
		}
		if(!cache.parameters){
			cache.parameters = {};
		}
		for(var i = 0, param; param = evt.param[i]; i++){
			var fName = param["DocParamForm/name"];
			if(!cache.parameters[fName]){
				cache.parameters[fName] = {};
			}
			cache.parameters[fName].description = param["DocParamForm/desc"]
		}

		data.description = cache.description;
		data.parameters = cache.parameters;
		
		evt.type = "doc";
	
		if(evt.callbacks && evt.callbacks.length){
			evt.callbacks.shift()("load", data, evt, input);
		}
	},
	getPkgDoc: function(/*String*/ name, /*Function*/ callback){
		// summary: Gets external documentation stored on Jot for a given package
		dojo.debug("getPkgDoc(" + name + ")");
		var input = {};
	},
	getPkgInfo: function(/*String*/ name, /*Function*/ callback){
		// summary: Gets a combination of the metadata and external documentation for a given package
		dojo.debug("getPkgInfo(" + name + ")");

		var input = {
			expects: {
				pkginfo: ["pkgmeta", "pkgdoc"]
			},
			callback: callback
		};
		dojo.docs.getPkgMeta(input, name, dojo.docs._getPkgInfo);
		dojo.docs.getPkgDoc(input, name, dojo.docs._getPkgInfo);
	},
	_getPkgInfo: function(/*String*/ type, /*Object*/ data, /*Object*/ evt){
		dojo.debug("_getPkgInfo() for " + evt.type);
		var input = {};
		var results = {};
		if(typeof key == "object"){
			input = key;
			input[evt.type] = data;
			if(input.expects && input.expects.pkginfo){
				for(var i = 0, expect; expect = input.expects.pkginfo[i]; i++){
					if(!(expect in input)){
						dojo.debug("_getPkgInfo() waiting for more data");
						return;
					}
				}
			}
			results = input.pkgmeta;
			results.description = input.pkgdoc;
		}

		if(input.callback){
			input.callback("load", results, evt);
		}
	},
	getInfo: function(/*String*/ name, /*Function*/ callback){
		dojo.debug("getInfo(" + name + ")");
		var input = {
			expects: {
				"info": ["meta", "doc"]
			},
			callback: callback
		}
		dojo.docs.getMeta(input, name, dojo.docs._getInfo);
		dojo.docs.getDoc(input, name, dojo.docs._getInfo);
	},
	_getInfo: function(/*String*/ type, /*String*/ data, /*Object*/ evt, /*Object*/ input){
		dojo.debug("_getInfo(" + evt.type + ")");
		if(input && input.expects && input.expects.info){
			input[evt.type] = data;
			for(var i = 0, expect; expect = input.expects.info[i]; i++){
				if(!(expect in input)){
					dojo.debug("_getInfo() waiting for more data");
					return;
				}
			}
		}

		if(input.callback){
			input.callback("load", dojo.docs._getCache(evt.pkg, "meta", "functions", evt.name, evt.id, "meta"), evt, input);
		}
	},
	_getMainText: function(/*String*/ text){
		// summary: Grabs the innerHTML from a Jot Rech Text node
		dojo.debug("_getMainText()");
		return text.replace(/^<html[^<]*>/, "").replace(/<\/html>$/, "").replace(/<\w+\s*\/>/g, "");
	},
	getPackageMeta: function(/*Object*/ input){
		dojo.debug("getPackageMeta(): " + input.package);
		return this.require(input.package + "/meta", input.sync);
	},
	getFunctionMeta: function(/*Object*/ input){
		var package = input.package || "";
		var name = input.name;
		var id = input.id || "_";
		dojo.debug("getFunctionMeta(): " + name);

		if(!name) return;

		if(package){
			return this.require(package + "/meta/functions/" + name + "/" + id + "/meta");
		}else{
			this.getFunctionNames();
		}
	},
	getFunctionDocumentation: function(/*Object*/ input){
		var package = input.package || "";
		var name = input.name;
		var id = input.id || "_";
		dojo.debug("getFunctionDocumentation(): " + name);
		
		if(!name) return;
		
		if(package){
			return this.require(package + "/meta/functions/" + name + "/" + id + "/documentation");
		}
	},
	_onDocSearch: function(/*Object*/ input){
		var _this = this;
		var name = input.name.toLowerCase();
		if(!name) return;

		this.getFunctionNames().addCallback(function(data){
			dojo.debug("_onDocSearch(): function names loaded for " + name);

			var output = [];
			var list = [];
			var closure = function(pkg, fn) {
				return function(data){
					dojo.debug("_onDocSearch(): package meta loaded for: " + pkg);
					if(data.functions){
						var functions = data.functions;
						for(var key in functions){
							if(fn == key){
								var ids = functions[key];
								for(var id in ids){
									var fnMeta = ids[id];
									output.push({
										package: pkg,
										name: fn,
										id: id,
										summary: fnMeta.summary
									});
								}
							}
						}
					}
					return output;
				}
			}

			pkgLoop:
			for(var pkg in data){
				if(pkg.toLowerCase() == name){