767 lines
20 KiB
JavaScript
767 lines
20 KiB
JavaScript
//>>built
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define("dojox/dtl/_base", [
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"dojo/_base/kernel",
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"dojo/_base/lang",
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"dojox/string/tokenize",
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"dojo/_base/json",
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"dojo/dom",
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"dojo/_base/xhr",
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"dojox/string/Builder",
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"dojo/_base/Deferred"],
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function(kernel, lang, Tokenize, json, dom, xhr, StringBuilder, deferred){
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/*=====
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Tokenize = dojox.string.tokenize;
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StringBuilder = dojox.string.Builder;
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=====*/
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kernel.experimental("dojox.dtl");
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var dd = lang.getObject("dojox.dtl", true);
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dd._base = {};
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/*=====
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dd = dojox.dtl;
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=====*/
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dd.TOKEN_BLOCK = -1;
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dd.TOKEN_VAR = -2;
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dd.TOKEN_COMMENT = -3;
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dd.TOKEN_TEXT = 3;
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/*=====
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dd._Context = function(dict){
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// summary: Pass one of these when rendering a template to tell the template what values to use.
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}
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=====*/
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dd._Context = lang.extend(function(dict){
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// summary: Pass one of these when rendering a template to tell the template what values to use.
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if(dict){
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lang._mixin(this, dict);
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if(dict.get){
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// Preserve passed getter and restore prototype get
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this._getter = dict.get;
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delete this.get;
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}
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}
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},
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{
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push: function(){
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var last = this;
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var context = lang.delegate(this);
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context.pop = function(){ return last; }
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return context;
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},
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pop: function(){
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throw new Error("pop() called on empty Context");
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},
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get: function(key, otherwise){
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var n = this._normalize;
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if(this._getter){
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var got = this._getter(key);
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if(got !== undefined){
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return n(got);
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}
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}
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if(this[key] !== undefined){
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return n(this[key]);
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}
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return otherwise;
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},
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_normalize: function(value){
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if(value instanceof Date){
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value.year = value.getFullYear();
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value.month = value.getMonth() + 1;
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value.day = value.getDate();
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value.date = value.year + "-" + ("0" + value.month).slice(-2) + "-" + ("0" + value.day).slice(-2);
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value.hour = value.getHours();
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value.minute = value.getMinutes();
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value.second = value.getSeconds();
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value.microsecond = value.getMilliseconds();
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}
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return value;
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},
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update: function(dict){
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var context = this.push();
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if(dict){
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lang._mixin(this, dict);
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}
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return context;
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}
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});
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var smart_split_re = /("(?:[^"\\]*(?:\\.[^"\\]*)*)"|'(?:[^'\\]*(?:\\.[^'\\]*)*)'|[^\s]+)/g;
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var split_re = /\s+/g;
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var split = function(/*String|RegExp?*/ splitter, /*Integer?*/ limit){
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splitter = splitter || split_re;
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if(!(splitter instanceof RegExp)){
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splitter = new RegExp(splitter, "g");
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}
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if(!splitter.global){
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throw new Error("You must use a globally flagged RegExp with split " + splitter);
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}
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splitter.exec(""); // Reset the global
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var part, parts = [], lastIndex = 0, i = 0;
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while((part = splitter.exec(this))){
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parts.push(this.slice(lastIndex, splitter.lastIndex - part[0].length));
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lastIndex = splitter.lastIndex;
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if(limit && (++i > limit - 1)){
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break;
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}
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}
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parts.push(this.slice(lastIndex));
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return parts;
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}
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dd.Token = function(token_type, contents){
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this.token_type = token_type;
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this.contents = new String(lang.trim(contents));
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this.contents.split = split;
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this.split = function(){
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return String.prototype.split.apply(this.contents, arguments);
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}
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}
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dd.Token.prototype.split_contents = function(/*Integer?*/ limit){
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var bit, bits = [], i = 0;
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limit = limit || 999;
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while(i++ < limit && (bit = smart_split_re.exec(this.contents))){
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bit = bit[0];
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if(bit.charAt(0) == '"' && bit.slice(-1) == '"'){
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bits.push('"' + bit.slice(1, -1).replace('\\"', '"').replace('\\\\', '\\') + '"');
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}else if(bit.charAt(0) == "'" && bit.slice(-1) == "'"){
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bits.push("'" + bit.slice(1, -1).replace("\\'", "'").replace('\\\\', '\\') + "'");
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}else{
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bits.push(bit);
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}
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}
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return bits;
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}
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var ddt = dd.text = {
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_get: function(module, name, errorless){
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// summary: Used to find both tags and filters
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var params = dd.register.get(module, name.toLowerCase(), errorless);
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if(!params){
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if(!errorless){
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throw new Error("No tag found for " + name);
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}
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return null;
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}
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var fn = params[1];
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var deps = params[2];
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var parts;
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if(fn.indexOf(":") != -1){
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parts = fn.split(":");
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fn = parts.pop();
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}
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// FIXME: THIS DESIGN DOES NOT WORK WITH ASYNC LOADERS!
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var mod = deps;
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if (/\./.test(deps)) {
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deps = deps.replace(/\./g, "/");
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}
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require([deps], function(){});
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var parent = lang.getObject(mod);
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return parent[fn || name] || parent[name + "_"] || parent[fn + "_"];
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},
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getTag: function(name, errorless){
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return ddt._get("tag", name, errorless);
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},
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getFilter: function(name, errorless){
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return ddt._get("filter", name, errorless);
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},
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getTemplate: function(file){
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return new dd.Template(ddt.getTemplateString(file));
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},
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getTemplateString: function(file){
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return xhr._getText(file.toString()) || "";
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},
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_resolveLazy: function(location, sync, json){
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if(sync){
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if(json){
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return json.fromJson(xhr._getText(location)) || {};
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}else{
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return dd.text.getTemplateString(location);
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}
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}else{
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return xhr.get({
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handleAs: json ? "json" : "text",
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url: location
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});
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}
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},
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_resolveTemplateArg: function(arg, sync){
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if(ddt._isTemplate(arg)){
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if(!sync){
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var d = new deferred();
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d.callback(arg);
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return d;
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}
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return arg;
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}
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return ddt._resolveLazy(arg, sync);
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},
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_isTemplate: function(arg){
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return (arg === undefined) || (typeof arg == "string" && (arg.match(/^\s*[<{]/) || arg.indexOf(" ") != -1));
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},
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_resolveContextArg: function(arg, sync){
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if(arg.constructor == Object){
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if(!sync){
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var d = new deferred;
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d.callback(arg);
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return d;
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}
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return arg;
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}
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return ddt._resolveLazy(arg, sync, true);
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},
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_re: /(?:\{\{\s*(.+?)\s*\}\}|\{%\s*(load\s*)?(.+?)\s*%\})/g,
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tokenize: function(str){
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return Tokenize(str, ddt._re, ddt._parseDelims);
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},
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_parseDelims: function(varr, load, tag){
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if(varr){
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return [dd.TOKEN_VAR, varr];
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}else if(load){
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var parts = lang.trim(tag).split(/\s+/g);
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for(var i = 0, part; part = parts[i]; i++){
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if (/\./.test(part)){
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part = part.replace(/\./g,"/");
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}
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require([part]);
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}
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}else{
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return [dd.TOKEN_BLOCK, tag];
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}
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}
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}
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/*=====
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dd.Template = function(template, isString){
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// summary:
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// The base class for text-based templates.
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// template: String|dojo._Url
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// The string or location of the string to
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// use as a template
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// isString: Boolean
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// Indicates whether the template is a string or a url.
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};
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dd.Template.prototype.update= function(node, context){
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// summary:
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// Updates this template according to the given context.
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// node: DOMNode|String|dojo.NodeList
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// A node reference or set of nodes
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// context: dojo._Url|String|Object
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// The context object or location
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}
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dd.Template.prototype.render= function(context, buffer){
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// summary:
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// Renders this template.
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// context: Object
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// The runtime context.
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// buffer: StringBuilder?
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// A string buffer.
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}
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=====*/
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dd.Template = lang.extend(function(/*String|dojo._Url*/ template, /*Boolean*/ isString){
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// template:
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// The string or location of the string to
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// use as a template
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var str = isString ? template : ddt._resolveTemplateArg(template, true) || "";
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var tokens = ddt.tokenize(str);
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var parser = new dd._Parser(tokens);
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this.nodelist = parser.parse();
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},
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{
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update: function(node, context){
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// summary:
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// Updates this template according to the given context.
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// node: DOMNode|String|dojo.NodeList
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// A node reference or set of nodes
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// context: dojo._Url|String|Object
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// The context object or location
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return ddt._resolveContextArg(context).addCallback(this, function(contextObject){
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var content = this.render(new dd._Context(contextObject));
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if(node.forEach){
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node.forEach(function(item){
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item.innerHTML = content;
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});
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}else{
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dom.byId(node).innerHTML = content;
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}
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return this;
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});
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},
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render: function(context, /*concatenatable?*/ buffer){
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buffer = buffer || this.getBuffer();
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context = context || new dd._Context({});
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return this.nodelist.render(context, buffer) + "";
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},
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getBuffer: function(){
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return new StringBuilder();
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}
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});
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var qfRe = /\{\{\s*(.+?)\s*\}\}/g;
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dd.quickFilter = function(str){
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if(!str){
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return new dd._NodeList();
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}
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if(str.indexOf("{%") == -1){
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return new dd._QuickNodeList(Tokenize(str, qfRe, function(token){
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return new dd._Filter(token);
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}));
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}
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}
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dd._QuickNodeList = lang.extend(function(contents){
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this.contents = contents;
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},
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{
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render: function(context, buffer){
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for(var i = 0, l = this.contents.length; i < l; i++){
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if(this.contents[i].resolve){
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buffer = buffer.concat(this.contents[i].resolve(context));
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}else{
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buffer = buffer.concat(this.contents[i]);
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}
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}
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return buffer;
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},
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dummyRender: function(context){ return this.render(context, dd.Template.prototype.getBuffer()).toString(); },
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clone: function(buffer){ return this; }
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});
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dd._Filter = lang.extend(function(token){
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// summary: Uses a string to find (and manipulate) a variable
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if(!token) throw new Error("Filter must be called with variable name");
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this.contents = token;
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var cache = this._cache[token];
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if(cache){
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this.key = cache[0];
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this.filters = cache[1];
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}else{
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this.filters = [];
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Tokenize(token, this._re, this._tokenize, this);
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this._cache[token] = [this.key, this.filters];
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}
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},
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{
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_cache: {},
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_re: /(?:^_\("([^\\"]*(?:\\.[^\\"])*)"\)|^"([^\\"]*(?:\\.[^\\"]*)*)"|^([a-zA-Z0-9_.]+)|\|(\w+)(?::(?:_\("([^\\"]*(?:\\.[^\\"])*)"\)|"([^\\"]*(?:\\.[^\\"]*)*)"|([a-zA-Z0-9_.]+)|'([^\\']*(?:\\.[^\\']*)*)'))?|^'([^\\']*(?:\\.[^\\']*)*)')/g,
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_values: {
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0: '"', // _("text")
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1: '"', // "text"
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2: "", // variable
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8: '"' // 'text'
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},
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_args: {
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4: '"', // :_("text")
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5: '"', // :"text"
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6: "", // :variable
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7: "'"// :'text'
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},
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_tokenize: function(){
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var pos, arg;
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for(var i = 0, has = []; i < arguments.length; i++){
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has[i] = (arguments[i] !== undefined && typeof arguments[i] == "string" && arguments[i]);
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}
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if(!this.key){
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for(pos in this._values){
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if(has[pos]){
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this.key = this._values[pos] + arguments[pos] + this._values[pos];
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break;
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}
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}
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}else{
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for(pos in this._args){
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if(has[pos]){
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var value = arguments[pos];
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if(this._args[pos] == "'"){
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value = value.replace(/\\'/g, "'");
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}else if(this._args[pos] == '"'){
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value = value.replace(/\\"/g, '"');
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}
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arg = [!this._args[pos], value];
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break;
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}
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}
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// Get a named filter
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var fn = ddt.getFilter(arguments[3]);
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if(!lang.isFunction(fn)) throw new Error(arguments[3] + " is not registered as a filter");
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this.filters.push([fn, arg]);
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}
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},
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getExpression: function(){
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return this.contents;
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},
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resolve: function(context){
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if(this.key === undefined){
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return "";
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}
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var str = this.resolvePath(this.key, context);
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for(var i = 0, filter; filter = this.filters[i]; i++){
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// Each filter has the function in [0], a boolean in [1][0] of whether it's a variable or a string
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// and [1][1] is either the variable name of the string content.
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if(filter[1]){
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if(filter[1][0]){
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str = filter[0](str, this.resolvePath(filter[1][1], context));
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}else{
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str = filter[0](str, filter[1][1]);
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}
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}else{
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str = filter[0](str);
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}
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}
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return str;
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},
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resolvePath: function(path, context){
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var current, parts;
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var first = path.charAt(0);
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var last = path.slice(-1);
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if(!isNaN(parseInt(first))){
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current = (path.indexOf(".") == -1) ? parseInt(path) : parseFloat(path);
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}else if(first == '"' && first == last){
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current = path.slice(1, -1);
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}else{
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if(path == "true"){ return true; }
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if(path == "false"){ return false; }
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if(path == "null" || path == "None"){ return null; }
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parts = path.split(".");
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current = context.get(parts[0]);
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if(lang.isFunction(current)){
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var self = context.getThis && context.getThis();
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if(current.alters_data){
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current = "";
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}else if(self){
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current = current.call(self);
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}else{
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current = "";
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}
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}
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for(var i = 1; i < parts.length; i++){
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var part = parts[i];
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if(current){
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var base = current;
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if(lang.isObject(current) && part == "items" && current[part] === undefined){
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var items = [];
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for(var key in current){
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items.push([key, current[key]]);
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}
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current = items;
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continue;
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}
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if(current.get && lang.isFunction(current.get) && current.get.safe){
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current = current.get(part);
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}else if(current[part] === undefined){
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current = current[part];
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break;
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}else{
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current = current[part];
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}
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if(lang.isFunction(current)){
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if(current.alters_data){
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current = "";
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}else{
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current = current.call(base);
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}
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}else if(current instanceof Date){
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current = dd._Context.prototype._normalize(current);
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}
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}else{
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return "";
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}
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}
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}
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return current;
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}
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});
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dd._TextNode = dd._Node = lang.extend(function(/*Object*/ obj){
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// summary: Basic catch-all node
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this.contents = obj;
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},
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{
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set: function(data){
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this.contents = data;
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return this;
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},
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render: function(context, buffer){
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// summary: Adds content onto the buffer
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return buffer.concat(this.contents);
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},
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isEmpty: function(){
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return !lang.trim(this.contents);
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},
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clone: function(){ return this; }
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});
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dd._NodeList = lang.extend(function(/*Node[]*/ nodes){
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// summary: Allows us to render a group of nodes
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this.contents = nodes || [];
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this.last = "";
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},
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{
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push: function(node){
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// summary: Add a new node to the list
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this.contents.push(node);
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return this;
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},
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concat: function(nodes){
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this.contents = this.contents.concat(nodes);
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return this;
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},
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render: function(context, buffer){
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// summary: Adds all content onto the buffer
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for(var i = 0; i < this.contents.length; i++){
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buffer = this.contents[i].render(context, buffer);
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if(!buffer) throw new Error("Template must return buffer");
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}
|
|
return buffer;
|
|
},
|
|
dummyRender: function(context){
|
|
return this.render(context, dd.Template.prototype.getBuffer()).toString();
|
|
},
|
|
unrender: function(){ return arguments[1]; },
|
|
clone: function(){ return this; },
|
|
rtrim: function(){
|
|
while(1){
|
|
i = this.contents.length - 1;
|
|
if(this.contents[i] instanceof dd._TextNode && this.contents[i].isEmpty()){
|
|
this.contents.pop();
|
|
}else{
|
|
break;
|
|
}
|
|
}
|
|
|
|
return this;
|
|
}
|
|
});
|
|
|
|
dd._VarNode = lang.extend(function(str){
|
|
// summary: A node to be processed as a variable
|
|
this.contents = new dd._Filter(str);
|
|
},
|
|
{
|
|
render: function(context, buffer){
|
|
var str = this.contents.resolve(context);
|
|
if(!str.safe){
|
|
str = dd._base.escape("" + str);
|
|
}
|
|
return buffer.concat(str);
|
|
}
|
|
});
|
|
|
|
dd._noOpNode = new function(){
|
|
// summary: Adds a no-op node. Useful in custom tags
|
|
this.render = this.unrender = function(){ return arguments[1]; }
|
|
this.clone = function(){ return this; }
|
|
}
|
|
|
|
dd._Parser = lang.extend(function(tokens){
|
|
// summary: Parser used during initialization and for tag groups.
|
|
this.contents = tokens;
|
|
},
|
|
{
|
|
i: 0,
|
|
parse: function(/*Array?*/ stop_at){
|
|
// summary: Turns tokens into nodes
|
|
// description: Steps into tags are they're found. Blocks use the parse object
|
|
// to find their closing tag (the stop_at array). stop_at is inclusive, it
|
|
// returns the node that matched.
|
|
var terminators = {}, token;
|
|
stop_at = stop_at || [];
|
|
for(var i = 0; i < stop_at.length; i++){
|
|
terminators[stop_at[i]] = true;
|
|
}
|
|
|
|
var nodelist = new dd._NodeList();
|
|
while(this.i < this.contents.length){
|
|
token = this.contents[this.i++];
|
|
if(typeof token == "string"){
|
|
nodelist.push(new dd._TextNode(token));
|
|
}else{
|
|
var type = token[0];
|
|
var text = token[1];
|
|
if(type == dd.TOKEN_VAR){
|
|
nodelist.push(new dd._VarNode(text));
|
|
}else if(type == dd.TOKEN_BLOCK){
|
|
if(terminators[text]){
|
|
--this.i;
|
|
return nodelist;
|
|
}
|
|
var cmd = text.split(/\s+/g);
|
|
if(cmd.length){
|
|
cmd = cmd[0];
|
|
var fn = ddt.getTag(cmd);
|
|
if(fn){
|
|
nodelist.push(fn(this, new dd.Token(type, text)));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(stop_at.length){
|
|
throw new Error("Could not find closing tag(s): " + stop_at.toString());
|
|
}
|
|
|
|
this.contents.length = 0;
|
|
return nodelist;
|
|
},
|
|
next_token: function(){
|
|
// summary: Returns the next token in the list.
|
|
var token = this.contents[this.i++];
|
|
return new dd.Token(token[0], token[1]);
|
|
},
|
|
delete_first_token: function(){
|
|
this.i++;
|
|
},
|
|
skip_past: function(endtag){
|
|
while(this.i < this.contents.length){
|
|
var token = this.contents[this.i++];
|
|
if(token[0] == dd.TOKEN_BLOCK && token[1] == endtag){
|
|
return;
|
|
}
|
|
}
|
|
throw new Error("Unclosed tag found when looking for " + endtag);
|
|
},
|
|
create_variable_node: function(expr){
|
|
return new dd._VarNode(expr);
|
|
},
|
|
create_text_node: function(expr){
|
|
return new dd._TextNode(expr || "");
|
|
},
|
|
getTemplate: function(file){
|
|
return new dd.Template(file);
|
|
}
|
|
});
|
|
|
|
dd.register = {
|
|
_registry: {
|
|
attributes: [],
|
|
tags: [],
|
|
filters: []
|
|
},
|
|
get: function(/*String*/ module, /*String*/ name){
|
|
var registry = dd.register._registry[module + "s"];
|
|
for(var i = 0, entry; entry = registry[i]; i++){
|
|
if(typeof entry[0] == "string"){
|
|
if(entry[0] == name){
|
|
return entry;
|
|
}
|
|
}else if(name.match(entry[0])){
|
|
return entry;
|
|
}
|
|
}
|
|
},
|
|
getAttributeTags: function(){
|
|
var tags = [];
|
|
var registry = dd.register._registry.attributes;
|
|
for(var i = 0, entry; entry = registry[i]; i++){
|
|
if(entry.length == 3){
|
|
tags.push(entry);
|
|
}else{
|
|
var fn = lang.getObject(entry[1]);
|
|
if(fn && lang.isFunction(fn)){
|
|
entry.push(fn);
|
|
tags.push(entry);
|
|
}
|
|
}
|
|
}
|
|
return tags;
|
|
},
|
|
_any: function(type, base, locations){
|
|
for(var path in locations){
|
|
for(var i = 0, fn; fn = locations[path][i]; i++){
|
|
var key = fn;
|
|
if(lang.isArray(fn)){
|
|
key = fn[0];
|
|
fn = fn[1];
|
|
}
|
|
if(typeof key == "string"){
|
|
if(key.substr(0, 5) == "attr:"){
|
|
var attr = fn;
|
|
if(attr.substr(0, 5) == "attr:"){
|
|
attr = attr.slice(5);
|
|
}
|
|
dd.register._registry.attributes.push([attr.toLowerCase(), base + "." + path + "." + attr]);
|
|
}
|
|
key = key.toLowerCase()
|
|
}
|
|
dd.register._registry[type].push([
|
|
key,
|
|
fn,
|
|
base + "." + path
|
|
]);
|
|
}
|
|
}
|
|
},
|
|
tags: function(/*String*/ base, /*Object*/ locations){
|
|
dd.register._any("tags", base, locations);
|
|
},
|
|
filters: function(/*String*/ base, /*Object*/ locations){
|
|
dd.register._any("filters", base, locations);
|
|
}
|
|
}
|
|
|
|
var escapeamp = /&/g;
|
|
var escapelt = /</g;
|
|
var escapegt = />/g;
|
|
var escapeqt = /'/g;
|
|
var escapedblqt = /"/g;
|
|
dd._base.escape = function(value){
|
|
// summary: Escapes a string's HTML
|
|
return dd.mark_safe(value.replace(escapeamp, '&').replace(escapelt, '<').replace(escapegt, '>').replace(escapedblqt, '"').replace(escapeqt, '''));
|
|
}
|
|
|
|
dd._base.safe = function(value){
|
|
if(typeof value == "string"){
|
|
value = new String(value);
|
|
}
|
|
if(typeof value == "object"){
|
|
value.safe = true;
|
|
}
|
|
return value;
|
|
}
|
|
dd.mark_safe = dd._base.safe;
|
|
|
|
dd.register.tags("dojox.dtl.tag", {
|
|
"date": ["now"],
|
|
"logic": ["if", "for", "ifequal", "ifnotequal"],
|
|
"loader": ["extends", "block", "include", "load", "ssi"],
|
|
"misc": ["comment", "debug", "filter", "firstof", "spaceless", "templatetag", "widthratio", "with"],
|
|
"loop": ["cycle", "ifchanged", "regroup"]
|
|
});
|
|
dd.register.filters("dojox.dtl.filter", {
|
|
"dates": ["date", "time", "timesince", "timeuntil"],
|
|
"htmlstrings": ["linebreaks", "linebreaksbr", "removetags", "striptags"],
|
|
"integers": ["add", "get_digit"],
|
|
"lists": ["dictsort", "dictsortreversed", "first", "join", "length", "length_is", "random", "slice", "unordered_list"],
|
|
"logic": ["default", "default_if_none", "divisibleby", "yesno"],
|
|
"misc": ["filesizeformat", "pluralize", "phone2numeric", "pprint"],
|
|
"strings": ["addslashes", "capfirst", "center", "cut", "fix_ampersands", "floatformat", "iriencode", "linenumbers", "ljust", "lower", "make_list", "rjust", "slugify", "stringformat", "title", "truncatewords", "truncatewords_html", "upper", "urlencode", "urlize", "urlizetrunc", "wordcount", "wordwrap"]
|
|
});
|
|
dd.register.filters("dojox.dtl", {
|
|
"_base": ["escape", "safe"]
|
|
});
|
|
return dd;
|
|
});
|
|
|