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Diffstat (limited to 'js/pure2.js')
| -rwxr-xr-x | js/pure2.js | 710 |
1 files changed, 0 insertions, 710 deletions
diff --git a/js/pure2.js b/js/pure2.js deleted file mode 100755 index 1e0958f..0000000 --- a/js/pure2.js +++ /dev/null @@ -1,710 +0,0 @@ -/* * * * * * * * * * * * * * * * * * * * * * * * * * - - PURE Unobtrusive Rendering Engine for HTML - - Licensed under the MIT licenses. - More information at: http://www.opensource.org - - Copyright (c) 2009 Michael Cvilic - BeeBole.com - - Thanks to Rog Peppe for the functional JS jump - revision: 2.18 - -* * * * * * * * * * * * * * * * * * * * * * * * * */ - -var $p, pure = $p = function(){ - var sel = arguments[0], - ctxt = false; - - if(typeof sel === 'string'){ - ctxt = arguments[1] || false; - } - return $p.core(sel, ctxt); -}; - -$p.core = function(sel, ctxt, plugins){ - //get an instance of the plugins - var plugins = getPlugins(), - templates = []; - - //search for the template node(s) - if(typeof sel === 'string'){ - templates = plugins.find(ctxt || document, sel); - }else if(typeof sel === 'object'){ - templates = [sel]; - }else{ - error('No templates found. Review your selector'); - } - - for(var i = 0, ii = templates.length; i < ii; i++){ - plugins[i] = templates[i]; - } - plugins.length = ii; - - // set the signature string that will be replaced at render time - var Sig = '_s' + Math.floor( Math.random() * 1000000 ) + '_', - // another signature to prepend to attributes and avoid checks: style, height, on[events]... - attPfx = '_a' + Math.floor( Math.random() * 1000000 ) + '_', - // rx to parse selectors, e.g. "+tr.foo[class]" - selRx = /^(\+)?([^\@\+]+)?\@?([^\+]+)?(\+)?$/, - // set automatically attributes for some tags - autoAttr = { - IMG:'src', - INPUT:'value' - }; - - return plugins; - - - /* * * * * * * * * * * * * * * * * * * * * * * * * * - core functions - * * * * * * * * * * * * * * * * * * * * * * * * * */ - - - // error utility - function error(e){ - alert(e); - if(typeof console !== 'undefined'){ - console.log(e); - debugger; - } - throw('pure error: ' + e); - } - - //return a new instance of plugins - function getPlugins(){ - var plugins = $p.plugins, - f = function(){}; - f.prototype = plugins; - - // do not overwrite functions if external definition - f.prototype.compile = plugins.compile || compile; - f.prototype.render = plugins.render || render; - f.prototype.autoRender = plugins.autoRender || autoRender; - f.prototype.find = plugins.find || find; - - // give the compiler and the error handling to the plugin context - f.prototype._compiler = compiler; - f.prototype._error = error; - - return new f(); - } - - // returns the outer HTML of a node - function outerHTML(node){ - // if IE take the internal method otherwise build one - return node.outerHTML || ( - function(n){ - var div = document.createElement('div'), h; - div.appendChild( n.cloneNode(true) ); - h = div.innerHTML; - div = null; - return h; - })(node); - } - - // check if the argument is an array - function isArray(o){ - return Object.prototype.toString.call( o ) === "[object Array]"; - } - - // returns the string generator function - function wrapquote(qfn, f){ - return function(ctxt){ - return qfn('' + f(ctxt)); - }; - } - - // convert a JSON HTML structure to a dom node and returns the leaf - function domify(ns, pa){ - pa = pa || document.createDocumentFragment(); - var nn, leaf; - for(var n in ns){ - nn = document.createElement(n); - pa.appendChild(nn); - if(typeof ns[n] === 'object'){ - leaf = domify(ns[n], nn); - }else{ - leaf = document.createElement(ns[n]); - nn.appendChild(leaf); - } - } - return leaf; - }; - - // default find using querySelector when available on the browser - function find(n, sel){ - if(typeof n === 'string'){ - sel = n; - n = false; - } - if(typeof document.querySelectorAll !== 'undefined'){ - return (n||document).querySelectorAll( sel ); - }else{ - error('You can test PURE standalone with: iPhone, FF3.5+, Safari4+ and IE8+\n\nTo run PURE on your browser, you need a JS library/framework with a CSS selector engine'); - } - } - - // create a function that concatenates constant string - // sections (given in parts) and the results of called - // functions to fill in the gaps between parts (fns). - // fns[n] fills in the gap between parts[n-1] and parts[n]; - // fns[0] is unused. - // this is the inner template evaluation loop. - function concatenator(parts, fns){ - return function(ctxt){ - var strs = [ parts[ 0 ] ], - n = parts.length, - fnVal, pVal, attLine, pos; - - for(var i = 1; i < n; i++){ - fnVal = fns[i]( ctxt ); - pVal = parts[i]; - - // if the value is empty and attribute, remove it - if(fnVal === ''){ - attLine = strs[ strs.length - 1 ]; - if( ( pos = attLine.search( /[\w]+=\"?$/ ) ) > -1){ - strs[ strs.length - 1 ] = attLine.substring( 0, pos ); - pVal = pVal.substr( 1 ); - } - } - - strs[ strs.length ] = fnVal; - strs[ strs.length ] = pVal; - } - return strs.join(''); - }; - } - - // parse and check the loop directive - function parseloopspec(p){ - var m = p.match( /^(\w+)\s*<-\s*(\S+)?$/ ); - if(m === null){ - error('bad loop spec: "' + p + '"'); - } - if(m[1] === 'item'){ - error('"item<-..." is a reserved word for the current running iteration.\n\nPlease choose another name for your loop.'); - } - if( !m[2] ){ //undefined or space(IE) - m[2] = function(ctxt){return ctxt.data;}; - } - return {name: m[1], sel: m[2]}; - } - - // parse a data selector and return a function that - // can traverse the data accordingly, given a context. - function dataselectfn(sel){ - if(typeof(sel) === 'function'){ - return sel; - } - //check for a valid js variable name with hyphen(for properties only) and $ - var m = sel.match(/^[a-zA-Z$_][\w$]*(\.[\w$-]*[^\.])*$/); - if(m === null){ - var found = false, s = sel, parts = [], pfns = [], i = 0, retStr; - // check if literal - if(/\'|\"/.test( s.charAt(0) )){ - if(/\'|\"/.test( s.charAt(s.length-1) )){ - retStr = s.substring(1, s.length-1); - return function(){ return retStr; }; - } - }else{ - // check if literal + #{var} - while((m = s.match(/#\{([^{}]+)\}/)) !== null){ - found = true; - parts[i++] = s.slice(0, m.index); - pfns[i] = dataselectfn(m[1]); - s = s.slice(m.index + m[0].length, s.length); - } - } - if(!found){ - error('bad data selector syntax: ' + sel); - } - parts[i] = s; - return concatenator(parts, pfns); - } - m = sel.split('.'); - return function(ctxt){ - var data = ctxt.data; - if(!data){ - return ''; - } - var v = ctxt[m[0]], - i = 0; - if(v){ - data = v.item; - i += 1; - } - var n = m.length; - for(; i < n; i++){ - if(!data){break;} - data = data[m[i]]; - } - return (!data && data !== 0) ? '':data; - }; - } - - // wrap in an object the target node/attr and their properties - function gettarget(dom, sel, isloop){ - var osel, prepend, selector, attr, append, target = []; - if( typeof sel === 'string' ){ - osel = sel; - var m = sel.match(selRx); - if( !m ){ - error( 'bad selector syntax: ' + sel ); - } - - prepend = m[1]; - selector = m[2]; - attr = m[3]; - append = m[4]; - - if(selector === '.' || ( !selector && attr ) ){ - target[0] = dom; - }else{ - target = plugins.find(dom, selector); - } - if(!target || target.length === 0){ - return {attr: null, nodes: target, set: null, sel: osel}; - } - }else{ - // autoRender node - prepend = sel.prepend; - attr = sel.attr; - append = sel.append; - target = [dom]; - } - - if( prepend || append ){ - if( prepend && append ){ - error('append/prepend cannot take place at the same time'); - }else if( isloop ){ - error('no append/prepend/replace modifiers allowed for loop target'); - }else if( append && isloop ){ - error('cannot append with loop (sel: ' + osel + ')'); - } - } - var setstr, getstr, quotefn, isStyle, isClass, an; - if(attr){ - isStyle = (/^style$/i).test(attr); - isClass = (/^class$/i).test(attr); - attName = isClass ? 'className' : attr; - setstr = function(node, s){ - node.setAttribute( attPfx + attr, s ); - if(attName in node && !isStyle){ - node[ attName ] = '' ; - } - if(node.nodeType === 1){ - node.removeAttribute( attr ); - } - }; - if( isStyle ){ - getstr = function(node){ return node.style.cssText;}; - }else{ - getstr = function(node){ return node.getAttribute(attr);}; - } - if( isStyle || isClass ){//IE no quotes special care - quotefn = function(s){ return s.replace(/\"/g, '"');}; - }else{ - quotefn = function(s){ return s.replace(/\"/g, '"').replace(/\s/g, ' ');}; - } - }else{ - if(isloop){ - setstr = function(node, s){ - // we can have a null parent node - // if we get overlapping targets. - var pn = node.parentNode; - if(pn){ - //replace node with s - var t = document.createTextNode(s); - node.parentNode.insertBefore(t, node.nextSibling); - node.parentNode.removeChild(node); - } - }; - }else{ - getstr = function(node){ return node.innerHTML; }; - setstr = function(node, s){ node.innerHTML = s; }; - } - quotefn = function(s){ return s; }; - } - var setfn; - if(prepend){ - setfn = function(node, s){ setstr( node, s + getstr( node ) );}; - }else if(append){ - setfn = function(node, s){ setstr( node, getstr( node ) + s );}; - }else{ - setfn = function(node, s){ setstr( node, s );}; - } - return {attr: attr, nodes: target, set: setfn, sel: osel, quotefn: quotefn}; - } - - function setsig(target, n){ - var sig = Sig + n + ':'; - for(var i = 0; i < target.nodes.length; i++){ - // could check for overlapping targets here. - target.set( target.nodes[i], sig ); - } - } - - // read de loop data, and pass it to the inner rendering function - function loopfn(name, dselect, inner){ - return function(ctxt){ - var a = dselect(ctxt), - old = ctxt[name], - temp = { items : a }, - strs = [], - buildArg = function(idx){ - ctxt.items = a; - ctxt.pos = temp.pos = idx; - ctxt.item = temp.item = a[ idx ]; - strs.push( inner( ctxt ) ); - }; - ctxt[name] = temp; - if( isArray(a) ){ - //loop on array - for(var i = 0, ii = a.length || 0; i < ii; i++){ - buildArg(i); - } - }else{ - //loop on collections - for(var prop in a){ - a.hasOwnProperty( prop ) && buildArg(prop); - } - } - typeof old !== 'undefined' ? ctxt[name] = old : delete ctxt[name]; - return strs.join(''); - }; - } - // generate the template for a loop node - function loopgen(dom, sel, loop, fns){ - var already = false; - var p; - for(var i in loop){ - if(loop.hasOwnProperty(i)){ - if(already){ - error('cannot have more than one loop on a target'); - } - p = i; - already = true; - } - } - if(!p){ - error('no loop spec'); - } - var dsel = loop[p]; - // if it's a simple data selector then we default to contents, not replacement. - if(typeof(dsel) === 'string' || typeof(dsel) === 'function'){ - loop = {}; - loop[p] = {root: dsel}; - return loopgen(dom, sel, loop, fns); - } - var spec = parseloopspec(p), - itersel = dataselectfn(spec.sel), - target = gettarget(dom, sel, true), - nodes = target.nodes; - - for(i = 0; i < nodes.length; i++){ - // could check for overlapping loop targets here by checking that - // root is still ancestor of node. - var node = nodes[i], - inner = compiler(node, dsel); - fns[fns.length] = wrapquote(target.quotefn, loopfn(spec.name, itersel, inner)); - target.nodes = [node]; // N.B. side effect on target. - setsig(target, fns.length - 1); - } - } - - function getAutoNodes(n, data){ - var ns = n.getElementsByTagName('*'), - an = [], - openLoops = {a:[],l:{}}, - cspec, - isNodeValue, - i, ii, j, jj, ni, cs, cj; - //for each node found in the template - for(i = -1, ii = ns.length; i < ii; i++){ - ni = i > -1 ?ns[i]:n; - if(ni.nodeType === 1 && ni.className !== ''){ - //when a className is found - cs = ni.className.split(' '); - // for each className - for(j = 0, jj=cs.length;j<jj;j++){ - cj = cs[j]; - // check if it is related to a context property - cspec = checkClass(cj, ni.tagName); - // if so, store the node, plus the type of data - if(cspec !== false){ - isNodeValue = (/nodevalue/i).test(cspec.attr); - if(cspec.sel.indexOf('@') > -1 || isNodeValue){ - ni.className = ni.className.replace('@'+cspec.attr, ''); - if(isNodeValue){ - cspec.attr = false; - } - } - an.push({n:ni, cspec:cspec}); - } - } - } - } - return an; - - function checkClass(c, tagName){ - // read the class - var ca = c.match(selRx), - attr = ca[3] || autoAttr[tagName], - cspec = {prepend:!!ca[1], prop:ca[2], attr:attr, append:!!ca[4], sel:c}, - val = isArray(data) ? data[0][cspec.prop] : data[cspec.prop], - i, ii, loopi; - // if first level of data is found - if(typeof val === 'undefined'){ - // check in existing open loops - for(i = openLoops.a.length-1; i >= 0; i--){ - loopi = openLoops.a[i]; - val = loopi.l[0][cspec.prop]; - if(typeof val !== 'undefined'){ - cspec.prop = loopi.p + '.' + cspec.prop; - if(openLoops.l[cspec.prop] === true){ - val = val[0]; - } - break; - } - } - } - // nothing found return - if(typeof val === 'undefined'){ - return false; - } - // set the data type and details - if(isArray(val)){ - openLoops.a.push( {l:val, p:cspec.prop} ); - openLoops.l[cspec.prop] = true; - cspec.t = 'loop'; - }else{ - cspec.t = 'str'; - } - return cspec; - } - } - - // returns a function that, given a context argument, - // will render the template defined by dom and directive. - function compiler(dom, directive, data, ans){ - var fns = []; - // autoRendering nodes parsing -> auto-nodes - ans = ans || data && getAutoNodes(dom, data); - if(data){ - var j, jj, cspec, n, target, nodes, itersel, node, inner; - // for each auto-nodes - while(ans.length > 0){ - cspec = ans[0].cspec; - n = ans[0].n; - ans.splice(0, 1); - if(cspec.t === 'str'){ - // if the target is a value - target = gettarget(n, cspec, false); - setsig(target, fns.length); - fns[fns.length] = wrapquote(target.quotefn, dataselectfn(cspec.prop)); - }else{ - // if the target is a loop - itersel = dataselectfn(cspec.sel); - target = gettarget(n, cspec, true); - nodes = target.nodes; - for(j = 0, jj = nodes.length; j < jj; j++){ - node = nodes[j]; - inner = compiler(node, false, data, ans); - fns[fns.length] = wrapquote(target.quotefn, loopfn(cspec.sel, itersel, inner)); - target.nodes = [node]; - setsig(target, fns.length - 1); - } - } - } - } - // read directives - var target, dsel; - for(var sel in directive){ - if(directive.hasOwnProperty(sel)){ - dsel = directive[sel]; - if(typeof(dsel) === 'function' || typeof(dsel) === 'string'){ - // set the value for the node/attr - target = gettarget(dom, sel, false); - setsig(target, fns.length); - fns[fns.length] = wrapquote(target.quotefn, dataselectfn(dsel)); - }else{ - // loop on node - loopgen(dom, sel, dsel, fns); - } - } - } - // convert node to a string - var h = outerHTML(dom), pfns = []; - // IE adds an unremovable "selected" attribute - // hard replace while waiting for a better solution - if (dom.tagName === 'OPTION' && (new RegExp(attPfx + 'selected', 'i')).test(h)) { - h = h.replace(/\sselected\s/, ' '); - } - // remove attribute prefix - h = h.split(attPfx).join(''); - - // slice the html string at "Sig" - var parts = h.split( Sig ), p; - // for each slice add the return string of - for(var i = 1; i < parts.length; i++){ - p = parts[i]; - // part is of the form "fn-number:..." as placed there by setsig. - pfns[i] = fns[ parseInt(p, 10) ]; - parts[i] = p.substring( p.indexOf(':') + 1 ); - } - return concatenator(parts, pfns); - } - // compile the template with directive - // if a context is passed, the autoRendering is triggered automatically - // return a function waiting the data as argument - function compile(directive, ctxt, template){ - var rfn = compiler( ( template || this[0] ).cloneNode(true), directive, ctxt); - return function(data, context){ - context = context || data; - return rfn({data: data, context:context}); - }; - } - //compile with the directive as argument - // run the template function on the context argument - // return an HTML string - // should replace the template and return this - function render(ctxt, directive){ - var fn = typeof directive === 'function' ? directive : plugins.compile( directive, false, this[0] ); - for(var i = 0, ii = this.length; i < ii; i++){ - this[i] = replaceWith( this[i], fn( ctxt, false )); - } - context = null; - return this; - } - - // compile the template with autoRender - // run the template function on the context argument - // return an HTML string - function autoRender(ctxt, directive){ - var fn = plugins.compile( directive, ctxt, this[0] ); - for(var i = 0, ii = this.length; i < ii; i++){ - this[i] = replaceWith( this[i], fn( ctxt, false)); - } - context = null; - return this; - } - - function replaceWith(elm, html){ - var div = document.createElement('DIV'), - tagName = elm.tagName.toLowerCase(), - ne, pa; - if((/td|tr|th/).test(tagName)){ - var parents = { tr:{table:'tbody'}, td:{table:{tbody:'tr'}}, th:{table:{thead:'tr'}} }; - pa = domify( parents[ tagName ] ); - }else if( ( /tbody|thead|tfoot/ ).test( tagName )){ - pa = document.createElement('table'); - }else{ - pa = document.createElement('div'); - } - - var ep = elm.parentNode; - // avoid IE mem leak - ep.insertBefore(pa, elm); - ep.removeChild(elm); - pa.innerHTML = html; - ne = pa.firstChild; - ep.insertBefore(ne, pa); - ep.removeChild(pa); - elm = ne; - - pa = ne = ep = null; - return elm; - } -}; - -$p.plugins = {}; - -$p.libs = { - dojo:function(){ - if(typeof document.querySelector === 'undefined'){ - $p.plugins.find = function(n, sel){ - return dojo.query(sel, n); - }; - } - }, - domassistant:function(){ - if(typeof document.querySelector === 'undefined'){ - $p.plugins.find = function(n, sel){ - return $(n).cssSelect(sel); - }; - } - DOMAssistant.attach({ - publicMethods : [ 'compile', 'render', 'autoRender'], - compile:function(directive, ctxt){ return $p(this).compile(directive, ctxt); }, - render:function(ctxt, directive){ return $( $p(this).render(ctxt, directive) )[0]; }, - autoRender:function(ctxt, directive){ return $( $p(this).autoRender(ctxt, directive) )[0]; } - }); - }, - jquery:function(){ - if(typeof document.querySelector === 'undefined'){ - $p.plugins.find = function(n, sel){ - return $(n).find(sel); - }; - } - jQuery.fn.extend({ - compile:function(directive, ctxt){ return $p(this[0]).compile(directive, ctxt); }, - render:function(ctxt, directive){ return jQuery( $p( this[0] ).render( ctxt, directive ) ); }, - autoRender:function(ctxt, directive){ return jQuery( $p( this[0] ).autoRender( ctxt, directive ) ); } - }); - }, - mootools:function(){ - if(typeof document.querySelector === 'undefined'){ - $p.plugins.find = function(n, sel){ - return $(n).getElements(sel); - }; - } - Element.implement({ - compile:function(directive, ctxt){ return $p(this).compile(directive, ctxt); }, - render:function(ctxt, directive){ return $p(this).render(ctxt, directive); }, - autoRender:function(ctxt, directive){ return $p(this).autoRender(ctxt, directive); } - }); - }, - prototype:function(){ - if(typeof document.querySelector === 'undefined'){ - $p.plugins.find = function(n, sel){ - n = n === document ? n.body : n; - return typeof n === 'string' ? $$(n) : $(n).select(sel); - }; - } - Element.addMethods({ - compile:function(element, directive, ctxt){ return $p(element).compile(directive, ctxt); }, - render:function(element, ctxt, directive){ return $p(element).render(ctxt, directive); }, - autoRender:function(element, ctxt, directive){ return $p(element).autoRender(ctxt, directive); } - }); - }, - sizzle:function(){ - if(typeof document.querySelector === 'undefined'){ - $p.plugins.find = function(n, sel){ - return Sizzle(sel, n); - }; - } - }, - sly:function(){ - if(typeof document.querySelector === 'undefined'){ - $p.plugins.find = function(n, sel){ - return Sly(sel, n); - }; - } - } -}; - -// get lib specifics if available -(function(){ - var libkey = - typeof dojo !== 'undefined' && 'dojo' || - typeof DOMAssistant !== 'undefined' && 'domassistant' || - typeof jQuery !== 'undefined' && 'jquery' || - typeof MooTools !== 'undefined' && 'mootools' || - typeof Prototype !== 'undefined' && 'prototype' || - typeof Sizzle !== 'undefined' && 'sizzle' || - typeof Sly !== 'undefined' && 'sly'; - - libkey && $p.libs[libkey](); -})();
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