847 lines
36 KiB
JavaScript
847 lines
36 KiB
JavaScript
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/*
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Copyright (c) 2013, Fabien Meghazi
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Released under the MIT license
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
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Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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// TODO: trim support
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// TODO: line number -> https://bugzilla.mozilla.org/show_bug.cgi?id=618650
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// TODO: templates orverwritten could be called by t-call="__super__" ?
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// TODO: t-set + t-value + children node == scoped variable ?
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var QWeb2 = {
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expressions_cache: { },
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RESERVED_WORDS: 'true,false,NaN,null,undefined,debugger,console,window,in,instanceof,new,function,return,this,typeof,eval,void,Math,RegExp,Array,Object,Date'.split(','),
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ACTIONS_PRECEDENCE: 'foreach,if,elif,else,call,set,esc,raw,js,debug,log'.split(','),
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WORD_REPLACEMENT: {
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'and': '&&',
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'or': '||',
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'gt': '>',
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'gte': '>=',
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'lt': '<',
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'lte': '<='
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},
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VOID_ELEMENTS: 'area,base,br,col,embed,hr,img,input,keygen,link,menuitem,meta,param,source,track,wbr'.split(','),
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tools: {
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exception: function(message, context) {
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context = context || {};
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var prefix = 'QWeb2';
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if (context.template) {
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prefix += " - template['" + context.template + "']";
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}
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throw new Error(prefix + ": " + message);
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},
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warning : function(message) {
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if (typeof(window) !== 'undefined' && window.console) {
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window.console.warn(message);
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}
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},
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trim: function(s, mode) {
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switch (mode) {
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case "left":
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return s.replace(/^\s*/, "");
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case "right":
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return s.replace(/\s*$/, "");
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default:
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return s.replace(/^\s*|\s*$/g, "");
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}
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},
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js_escape: function(s, noquotes) {
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return (noquotes ? '' : "'") + s.replace(/\r?\n/g, "\\n").replace(/'/g, "\\'") + (noquotes ? '' : "'");
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},
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html_escape: function(s, attribute) {
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if (s == null) {
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return '';
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}
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s = String(s).replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>');
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if (attribute) {
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s = s.replace(/"/g, '"');
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}
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return s;
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},
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gen_attribute: function(o) {
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if (o !== null && o !== undefined) {
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if (o.constructor === Array) {
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if (o[1] !== null && o[1] !== undefined) {
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return this.format_attribute(o[0], o[1]);
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}
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} else if (typeof o === 'object') {
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var r = '';
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for (var k in o) {
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if (o.hasOwnProperty(k)) {
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r += this.gen_attribute([k, o[k]]);
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}
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}
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return r;
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}
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}
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return '';
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},
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format_attribute: function(name, value) {
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return ' ' + name + '="' + this.html_escape(value, true) + '"';
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},
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extend: function(dst, src, exclude) {
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for (var p in src) {
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if (src.hasOwnProperty(p) && !(exclude && this.arrayIndexOf(exclude, p) !== -1)) {
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dst[p] = src[p];
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}
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}
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return dst;
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},
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arrayIndexOf : function(array, item) {
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for (var i = 0, ilen = array.length; i < ilen; i++) {
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if (array[i] === item) {
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return i;
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}
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}
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return -1;
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},
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get_element_sibling: function(node, dom_attr) {
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// This helper keeps support for IE8 which does not
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// implement DOMNode.(previous|next)ElementSibling
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var sibling = node[dom_attr];
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while (sibling && sibling.nodeType !== 1) {
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sibling = sibling[dom_attr];
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}
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return sibling;
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},
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xml_node_to_string : function(node, childs_only) {
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if (childs_only) {
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var childs = node.childNodes, r = [];
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for (var i = 0, ilen = childs.length; i < ilen; i++) {
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r.push(this.xml_node_to_string(childs[i]));
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}
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return r.join('');
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} else {
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// avoid XMLSerializer with text node for IE
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if (node.nodeType == 3) {
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return node.data;
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}
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if (typeof XMLSerializer !== 'undefined') {
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return (new XMLSerializer()).serializeToString(node);
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} else {
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switch(node.nodeType) {
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case 1: return node.outerHTML;
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case 4: return '<![CDATA[' + node.data + ']]>';
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case 8: return '<!-- ' + node.data + '-->';
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}
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throw new Error('Unknown node type ' + node.nodeType);
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}
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}
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},
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call: function(context, template, old_dict, _import, callback) {
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var new_dict = this.extend({}, old_dict);
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new_dict['__caller__'] = old_dict['__template__'];
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if (callback) {
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new_dict[0] = callback(context, new_dict);
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}
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return context.engine._render(template, new_dict);
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},
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foreach: function(context, enu, as, old_dict, callback) {
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if (enu != null) {
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var index, jlen, cur;
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var new_dict = this.extend({}, old_dict);
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new_dict[as + "_all"] = enu;
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var as_value = as + "_value",
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as_index = as + "_index",
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as_first = as + "_first",
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as_last = as + "_last",
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as_parity = as + "_parity";
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if (enu instanceof Array) {
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var size = enu.length;
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new_dict[as + "_size"] = size;
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for (index = 0, jlen = enu.length; index < jlen; index++) {
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cur = enu[index];
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new_dict[as_value] = cur;
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new_dict[as_index] = index;
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new_dict[as_first] = index === 0;
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new_dict[as_last] = index + 1 === size;
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new_dict[as_parity] = (index % 2 == 1 ? 'odd' : 'even');
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if (cur.constructor === Object) {
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this.extend(new_dict, cur);
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}
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new_dict[as] = cur;
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callback(context, new_dict);
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}
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} else if (enu.constructor == Number) {
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var _enu = [];
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for (var i = 0; i < enu; i++) {
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_enu.push(i);
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}
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this.foreach(context, _enu, as, old_dict, callback);
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} else {
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index = 0;
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for (var k in enu) {
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if (enu.hasOwnProperty(k)) {
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cur = enu[k];
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new_dict[as_value] = cur;
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new_dict[as_index] = index;
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new_dict[as_first] = index === 0;
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new_dict[as_parity] = (index % 2 == 1 ? 'odd' : 'even');
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new_dict[as] = k;
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callback(context, new_dict);
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index += 1;
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}
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}
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}
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_.each(Object.keys(old_dict), function(z) {
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old_dict[z] = new_dict[z];
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});
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} else {
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this.exception("No enumerator given to foreach", context);
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}
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}
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}
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};
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QWeb2.Engine = (function() {
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function Engine() {
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// TODO: handle prefix at template level : t-prefix="x", don't forget to lowercase it
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this.prefix = 't';
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this.debug = false;
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this.templates_resources = []; // TODO: implement this.reload()
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this.templates = {};
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this.compiled_templates = {};
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this.extend_templates = {};
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this.default_dict = {};
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this.tools = QWeb2.tools;
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this.jQuery = window.jQuery;
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this.reserved_words = QWeb2.RESERVED_WORDS.slice(0);
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this.actions_precedence = QWeb2.ACTIONS_PRECEDENCE.slice(0);
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this.void_elements = QWeb2.VOID_ELEMENTS.slice(0);
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this.word_replacement = QWeb2.tools.extend({}, QWeb2.WORD_REPLACEMENT);
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this.preprocess_node = null;
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for (var i = 0; i < arguments.length; i++) {
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this.add_template(arguments[i]);
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}
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}
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QWeb2.tools.extend(Engine.prototype, {
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/**
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* Add a template to the engine
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*
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* @param {String|Document} template Template as string or url or DOM Document
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* @param {Function} [callback] Called when the template is loaded, force async request
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*/
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add_template : function(template, callback) {
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var self = this;
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this.templates_resources.push(template);
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if (template.constructor === String) {
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return this.load_xml(template, function (err, xDoc) {
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if (err) {
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if (callback) {
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return callback(err);
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} else {
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throw err;
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}
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}
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self.add_template(xDoc, callback);
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});
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}
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template = this.preprocess(template);
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var ec = (template.documentElement && template.documentElement.childNodes) || template.childNodes || [];
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for (var i = 0; i < ec.length; i++) {
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var node = ec[i];
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if (node.nodeType === 1) {
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var name = node.getAttribute(this.prefix + '-name');
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var extend = node.getAttribute(this.prefix + '-extend');
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if (name && extend) {
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// Clone template and extend it
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if (!this.templates[extend]) {
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return this.tools.exception("Can't clone undefined template " + extend);
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}
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this.templates[name] = this.templates[extend].cloneNode(true);
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extend = name;
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name = undefined;
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}
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if (name) {
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this.templates[name] = node;
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this.compiled_templates[name] = null;
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} else if (extend) {
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delete(this.compiled_templates[extend]);
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if (this.extend_templates[extend]) {
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this.extend_templates[extend].push(node);
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} else {
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this.extend_templates[extend] = [node];
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}
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}
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}
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}
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if (callback) {
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callback(null, template);
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}
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return true;
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},
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preprocess: function(doc) {
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/**
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* Preprocess a template's document at load time.
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* This method is mostly used for template sanitization but could
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* also be overloaded for extended features such as translations, ...
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* Throws an exception if a template is invalid.
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*
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* @param {Document} doc Document containg the loaded templates
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* @return {Document} Returns the pre-processed/sanitized template
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*/
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var self = this;
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var childs = (doc.documentElement && doc.documentElement.childNodes) || doc.childNodes || [];
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// Check for load errors
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for (var i = 0; i < childs.length; i++) {
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var node = childs[i];
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if (node.nodeType === 1 && node.nodeName == 'parsererror') {
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return this.tools.exception(node.innerText);
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}
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}
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// Sanitize t-elif and t-else directives
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var tbranch = doc.querySelectorAll('[t-elif], [t-else]');
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for (var i = 0, ilen = tbranch.length; i < ilen; i++) {
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var node = tbranch[i];
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var prev_elem = self.tools.get_element_sibling(node, 'previousSibling');
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var pattr = function(name) { return prev_elem.getAttribute(name); }
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var nattr = function(name) { return +!!node.getAttribute(name); }
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if (prev_elem && (pattr('t-if') || pattr('t-elif'))) {
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if (pattr('t-foreach')) {
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return self.tools.exception("Error: t-if cannot stay at the same level as t-foreach when using t-elif or t-else");
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}
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if (['t-if', 't-elif', 't-else'].map(nattr).reduce(function(a, b) { return a + b; }) > 1) {
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return self.tools.exception("Error: only one conditional branching directive is allowed per node");
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}
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// All text nodes between branch nodes are removed
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var text_node;
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while ((text_node = node.previousSibling) !== prev_elem) {
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if (self.tools.trim(text_node.nodeValue)) {
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return self.tools.exception("Error: text is not allowed between branching directives");
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}
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// IE <= 11.0 doesn't support ChildNode.remove
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text_node.parentNode.removeChild(text_node);
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}
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} else {
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return self.tools.exception("Error: t-elif and t-else directives must be preceded by a t-if or t-elif directive");
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}
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}
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return doc;
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},
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load_xml : function(s, callback) {
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var self = this;
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var async = !!callback;
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s = this.tools.trim(s);
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if (s.charAt(0) === '<') {
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var tpl = this.load_xml_string(s);
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if (callback) {
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callback(null, tpl);
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}
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return tpl;
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} else {
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var req = this.get_xhr();
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||
|
|
if (this.debug) {
|
||
|
|
s += '?debug=' + (new Date()).getTime(); // TODO fme: do it properly in case there's already url parameters
|
||
|
|
}
|
||
|
|
req.open('GET', s, async);
|
||
|
|
if (async) {
|
||
|
|
req.addEventListener("load", function() {
|
||
|
|
if (req.status == 200) {
|
||
|
|
callback(null, self._parse_from_request(req));
|
||
|
|
} else {
|
||
|
|
callback(new Error("Can't load template " + s + ", http status " + req.status));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
req.send(null);
|
||
|
|
if (!async) {
|
||
|
|
return this._parse_from_request(req);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
_parse_from_request: function(req) {
|
||
|
|
var xDoc = req.responseXML;
|
||
|
|
if (xDoc) {
|
||
|
|
if (!xDoc.documentElement) {
|
||
|
|
throw new Error("QWeb2: This xml document has no root document : " + xDoc.responseText);
|
||
|
|
}
|
||
|
|
if (xDoc.documentElement.nodeName == "parsererror") {
|
||
|
|
throw new Error("QWeb2: Could not parse document :" + xDoc.documentElement.childNodes[0].nodeValue);
|
||
|
|
}
|
||
|
|
return xDoc;
|
||
|
|
} else {
|
||
|
|
return this.load_xml_string(req.responseText);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
load_xml_string : function(s) {
|
||
|
|
if (window.DOMParser) {
|
||
|
|
var dp = new DOMParser();
|
||
|
|
var r = dp.parseFromString(s, "text/xml");
|
||
|
|
if (r.body && r.body.firstChild && r.body.firstChild.nodeName == 'parsererror') {
|
||
|
|
throw new Error("QWeb2: Could not parse document :" + r.body.innerText);
|
||
|
|
}
|
||
|
|
return r;
|
||
|
|
}
|
||
|
|
var xDoc;
|
||
|
|
try {
|
||
|
|
xDoc = new ActiveXObject("MSXML2.DOMDocument");
|
||
|
|
} catch (e) {
|
||
|
|
throw new Error("Could not find a DOM Parser: " + e.message);
|
||
|
|
}
|
||
|
|
xDoc.async = false;
|
||
|
|
xDoc.preserveWhiteSpace = true;
|
||
|
|
xDoc.loadXML(s);
|
||
|
|
return xDoc;
|
||
|
|
},
|
||
|
|
has_template : function(template) {
|
||
|
|
return !!this.templates[template];
|
||
|
|
},
|
||
|
|
get_xhr : function() {
|
||
|
|
if (window.XMLHttpRequest) {
|
||
|
|
return new window.XMLHttpRequest();
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
return new ActiveXObject('MSXML2.XMLHTTP.3.0');
|
||
|
|
} catch (e) {
|
||
|
|
throw new Error("Could not get XHR");
|
||
|
|
}
|
||
|
|
},
|
||
|
|
compile : function(node) {
|
||
|
|
var e = new QWeb2.Element(this, node);
|
||
|
|
var template = node.getAttribute(this.prefix + '-name');
|
||
|
|
return " /* 'this' refers to Qweb2.Engine instance */\n" +
|
||
|
|
" var context = { engine : this, template : " + (this.tools.js_escape(template)) + " };\n" +
|
||
|
|
" dict = dict || {};\n" +
|
||
|
|
" dict['__template__'] = '" + template + "';\n" +
|
||
|
|
" var r = [];\n" +
|
||
|
|
" /* START TEMPLATE */" +
|
||
|
|
(this.debug ? "" : " try {\n") +
|
||
|
|
(e.compile()) + "\n" +
|
||
|
|
" /* END OF TEMPLATE */" +
|
||
|
|
(this.debug ? "" : " } catch(error) {\n" +
|
||
|
|
" if (console && console.exception) console.exception(error);\n" +
|
||
|
|
" context.engine.tools.exception('Runtime Error: ' + error, context);\n") +
|
||
|
|
(this.debug ? "" : " }\n") +
|
||
|
|
" return r.join('');";
|
||
|
|
},
|
||
|
|
render : function(template, dict) {
|
||
|
|
dict = dict || {};
|
||
|
|
QWeb2.tools.extend(dict, this.default_dict);
|
||
|
|
/*if (this.debug && window['console'] !== undefined) {
|
||
|
|
console.time("QWeb render template " + template);
|
||
|
|
}*/
|
||
|
|
var r = this._render(template, dict);
|
||
|
|
/*if (this.debug && window['console'] !== undefined) {
|
||
|
|
console.timeEnd("QWeb render template " + template);
|
||
|
|
}*/
|
||
|
|
return r;
|
||
|
|
},
|
||
|
|
_render : function(template, dict) {
|
||
|
|
if (this.compiled_templates[template]) {
|
||
|
|
return this.compiled_templates[template].apply(this, [dict || {}]);
|
||
|
|
} else if (this.templates[template]) {
|
||
|
|
var ext;
|
||
|
|
if (ext = this.extend_templates[template]) {
|
||
|
|
var extend_node;
|
||
|
|
while (extend_node = ext.shift()) {
|
||
|
|
this.extend(template, extend_node);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var code = this.compile(this.templates[template]), tcompiled;
|
||
|
|
try {
|
||
|
|
tcompiled = new Function(['dict'], code);
|
||
|
|
} catch (error) {
|
||
|
|
if (this.debug && window.console) {
|
||
|
|
console.log(code);
|
||
|
|
}
|
||
|
|
this.tools.exception("Error evaluating template: " + error, { template: name });
|
||
|
|
}
|
||
|
|
if (!tcompiled) {
|
||
|
|
this.tools.exception("Error evaluating template: (IE?)" + error, { template: name });
|
||
|
|
}
|
||
|
|
this.compiled_templates[template] = tcompiled;
|
||
|
|
return this.render(template, dict);
|
||
|
|
} else {
|
||
|
|
return this.tools.exception("Template '" + template + "' not found");
|
||
|
|
}
|
||
|
|
},
|
||
|
|
extend : function(template, extend_node) {
|
||
|
|
var jQuery = this.jQuery;
|
||
|
|
if (!jQuery) {
|
||
|
|
return this.tools.exception("Can't extend template " + template + " without jQuery");
|
||
|
|
}
|
||
|
|
var template_dest = this.templates[template];
|
||
|
|
for (var i = 0, ilen = extend_node.childNodes.length; i < ilen; i++) {
|
||
|
|
var child = extend_node.childNodes[i];
|
||
|
|
if (child.nodeType === 1) {
|
||
|
|
var jquery = child.getAttribute(this.prefix + '-jquery'),
|
||
|
|
operation = child.getAttribute(this.prefix + '-operation'),
|
||
|
|
target,
|
||
|
|
error_msg = "Error while extending template '" + template;
|
||
|
|
if (jquery) {
|
||
|
|
target = jQuery(jquery, template_dest);
|
||
|
|
if (!target.length && window.console) {
|
||
|
|
console.debug('Can\'t find "'+jquery+'" when extending template '+template);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
this.tools.exception(error_msg + "No expression given");
|
||
|
|
}
|
||
|
|
error_msg += "' (expression='" + jquery + "') : ";
|
||
|
|
if (operation) {
|
||
|
|
var allowed_operations = "append,prepend,before,after,replace,inner,attributes".split(',');
|
||
|
|
if (this.tools.arrayIndexOf(allowed_operations, operation) == -1) {
|
||
|
|
this.tools.exception(error_msg + "Invalid operation : '" + operation + "'");
|
||
|
|
}
|
||
|
|
operation = {'replace' : 'replaceWith', 'inner' : 'html'}[operation] || operation;
|
||
|
|
if (operation === 'attributes') {
|
||
|
|
jQuery('attribute', child).each(function () {
|
||
|
|
var attrib = jQuery(this);
|
||
|
|
target.attr(attrib.attr('name'), attrib.text());
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
target[operation](child.cloneNode(true).childNodes);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
try {
|
||
|
|
var f = new Function(['$', 'document'], this.tools.xml_node_to_string(child, true));
|
||
|
|
} catch(error) {
|
||
|
|
return this.tools.exception("Parse " + error_msg + error);
|
||
|
|
}
|
||
|
|
try {
|
||
|
|
f.apply(target, [jQuery, template_dest.ownerDocument]);
|
||
|
|
} catch(error) {
|
||
|
|
return this.tools.exception("Runtime " + error_msg + error);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return Engine;
|
||
|
|
})();
|
||
|
|
|
||
|
|
QWeb2.Element = (function() {
|
||
|
|
function Element(engine, node) {
|
||
|
|
this.engine = engine;
|
||
|
|
this.node = node;
|
||
|
|
this.tag = node.tagName;
|
||
|
|
this.actions = {};
|
||
|
|
this.actions_done = [];
|
||
|
|
this.attributes = {};
|
||
|
|
this.children = [];
|
||
|
|
this._top = [];
|
||
|
|
this._bottom = [];
|
||
|
|
this._indent = 1;
|
||
|
|
this.process_children = true;
|
||
|
|
this.is_void_element = ~QWeb2.tools.arrayIndexOf(this.engine.void_elements, this.tag);
|
||
|
|
var childs = this.node.childNodes;
|
||
|
|
if (childs) {
|
||
|
|
for (var i = 0, ilen = childs.length; i < ilen; i++) {
|
||
|
|
this.children.push(new QWeb2.Element(this.engine, childs[i]));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
var attrs = this.node.attributes;
|
||
|
|
if (attrs) {
|
||
|
|
for (var j = 0, jlen = attrs.length; j < jlen; j++) {
|
||
|
|
var attr = attrs[j];
|
||
|
|
var name = attr.name;
|
||
|
|
var m = name.match(new RegExp("^" + this.engine.prefix + "-(.+)"));
|
||
|
|
if (m) {
|
||
|
|
name = m[1];
|
||
|
|
if (name === 'name') {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
this.actions[name] = attr.value;
|
||
|
|
} else {
|
||
|
|
this.attributes[name] = attr.value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (this.engine.preprocess_node) {
|
||
|
|
this.engine.preprocess_node.call(this);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
QWeb2.tools.extend(Element.prototype, {
|
||
|
|
compile : function() {
|
||
|
|
var r = [],
|
||
|
|
instring = false,
|
||
|
|
lines = this._compile().split('\n');
|
||
|
|
for (var i = 0, ilen = lines.length; i < ilen; i++) {
|
||
|
|
var m, line = lines[i];
|
||
|
|
if (m = line.match(/^(\s*)\/\/@string=(.*)/)) {
|
||
|
|
if (instring) {
|
||
|
|
if (this.engine.debug) {
|
||
|
|
// Split string lines in indented r.push arguments
|
||
|
|
r.push((m[2].indexOf("\\n") != -1 ? "',\n\t" + m[1] + "'" : '') + m[2]);
|
||
|
|
} else {
|
||
|
|
r.push(m[2]);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
r.push(m[1] + "r.push('" + m[2]);
|
||
|
|
instring = true;
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (instring) {
|
||
|
|
r.push("');\n");
|
||
|
|
}
|
||
|
|
instring = false;
|
||
|
|
r.push(line + '\n');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return r.join('');
|
||
|
|
},
|
||
|
|
_compile : function() {
|
||
|
|
switch (this.node.nodeType) {
|
||
|
|
case 3:
|
||
|
|
case 4:
|
||
|
|
this.top_string(this.node.data);
|
||
|
|
break;
|
||
|
|
case 1:
|
||
|
|
this.compile_element();
|
||
|
|
}
|
||
|
|
var r = this._top.join('');
|
||
|
|
if (this.process_children) {
|
||
|
|
for (var i = 0, ilen = this.children.length; i < ilen; i++) {
|
||
|
|
var child = this.children[i];
|
||
|
|
child._indent = this._indent;
|
||
|
|
r += child._compile();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
r += this._bottom.join('');
|
||
|
|
return r;
|
||
|
|
},
|
||
|
|
format_expression : function(e) {
|
||
|
|
/* Naive format expression builder. Replace reserved words and variables to dict[variable]
|
||
|
|
* Does not handle spaces before dot yet, and causes problems for anonymous functions. Use t-js="" for that */
|
||
|
|
if (QWeb2.expressions_cache[e]) {
|
||
|
|
return QWeb2.expressions_cache[e];
|
||
|
|
}
|
||
|
|
var chars = e.split(''),
|
||
|
|
instring = '',
|
||
|
|
invar = '',
|
||
|
|
invar_pos = 0,
|
||
|
|
r = '';
|
||
|
|
chars.push(' ');
|
||
|
|
for (var i = 0, ilen = chars.length; i < ilen; i++) {
|
||
|
|
var c = chars[i];
|
||
|
|
if (instring.length) {
|
||
|
|
if (c === instring && chars[i - 1] !== "\\") {
|
||
|
|
instring = '';
|
||
|
|
}
|
||
|
|
} else if (c === '"' || c === "'") {
|
||
|
|
instring = c;
|
||
|
|
} else if (c.match(/[a-zA-Z_\$]/) && !invar.length) {
|
||
|
|
invar = c;
|
||
|
|
invar_pos = i;
|
||
|
|
continue;
|
||
|
|
} else if (c.match(/\W/) && invar.length) {
|
||
|
|
// TODO: Should check for possible spaces before dot
|
||
|
|
if (chars[invar_pos - 1] !== '.' && QWeb2.tools.arrayIndexOf(this.engine.reserved_words, invar) < 0) {
|
||
|
|
invar = this.engine.word_replacement[invar] || ("dict['" + invar + "']");
|
||
|
|
}
|
||
|
|
r += invar;
|
||
|
|
invar = '';
|
||
|
|
} else if (invar.length) {
|
||
|
|
invar += c;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
r += c;
|
||
|
|
}
|
||
|
|
r = r.slice(0, -1);
|
||
|
|
QWeb2.expressions_cache[e] = r;
|
||
|
|
return r;
|
||
|
|
},
|
||
|
|
format_str: function (e) {
|
||
|
|
if (e == '0') {
|
||
|
|
return 'dict[0]';
|
||
|
|
}
|
||
|
|
return this.format_expression(e);
|
||
|
|
},
|
||
|
|
string_interpolation : function(s) {
|
||
|
|
var _this = this;
|
||
|
|
if (!s) {
|
||
|
|
return "''";
|
||
|
|
}
|
||
|
|
function append_literal(s) {
|
||
|
|
s && r.push(_this.engine.tools.js_escape(s));
|
||
|
|
}
|
||
|
|
|
||
|
|
var re = /(?:#{(.+?)}|{{(.+?)}})/g, start = 0, r = [], m;
|
||
|
|
while (m = re.exec(s)) {
|
||
|
|
// extract literal string between previous and current match
|
||
|
|
append_literal(s.slice(start, re.lastIndex - m[0].length));
|
||
|
|
// extract matched expression
|
||
|
|
r.push('(' + this.format_str(m[2] || m[1]) + ')');
|
||
|
|
// update position of new matching
|
||
|
|
start = re.lastIndex;
|
||
|
|
}
|
||
|
|
// remaining text after last expression
|
||
|
|
append_literal(s.slice(start));
|
||
|
|
|
||
|
|
return r.join(' + ');
|
||
|
|
},
|
||
|
|
indent : function() {
|
||
|
|
return this._indent++;
|
||
|
|
},
|
||
|
|
dedent : function() {
|
||
|
|
if (this._indent !== 0) {
|
||
|
|
return this._indent--;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
get_indent : function() {
|
||
|
|
return new Array(this._indent + 1).join("\t");
|
||
|
|
},
|
||
|
|
top : function(s) {
|
||
|
|
return this._top.push(this.get_indent() + s + '\n');
|
||
|
|
},
|
||
|
|
top_string : function(s) {
|
||
|
|
return this._top.push(this.get_indent() + "//@string=" + this.engine.tools.js_escape(s, true) + '\n');
|
||
|
|
},
|
||
|
|
bottom : function(s) {
|
||
|
|
return this._bottom.unshift(this.get_indent() + s + '\n');
|
||
|
|
},
|
||
|
|
bottom_string : function(s) {
|
||
|
|
return this._bottom.unshift(this.get_indent() + "//@string=" + this.engine.tools.js_escape(s, true) + '\n');
|
||
|
|
},
|
||
|
|
compile_element : function() {
|
||
|
|
for (var i = 0, ilen = this.engine.actions_precedence.length; i < ilen; i++) {
|
||
|
|
var a = this.engine.actions_precedence[i];
|
||
|
|
if (a in this.actions) {
|
||
|
|
var value = this.actions[a];
|
||
|
|
var key = 'compile_action_' + a;
|
||
|
|
if (this[key]) {
|
||
|
|
this[key](value);
|
||
|
|
} else if (this.engine[key]) {
|
||
|
|
this.engine[key].call(this, value);
|
||
|
|
} else {
|
||
|
|
this.engine.tools.exception("No handler method for action '" + a + "'");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (this.tag.toLowerCase() !== this.engine.prefix) {
|
||
|
|
var tag = "<" + this.tag;
|
||
|
|
for (var a in this.attributes) {
|
||
|
|
tag += this.engine.tools.gen_attribute([a, this.attributes[a]]);
|
||
|
|
}
|
||
|
|
this.top_string(tag);
|
||
|
|
if (this.actions.att) {
|
||
|
|
this.top("r.push(context.engine.tools.gen_attribute(" + (this.format_expression(this.actions.att)) + "));");
|
||
|
|
}
|
||
|
|
for (var a in this.actions) {
|
||
|
|
var v = this.actions[a];
|
||
|
|
var m = a.match(/att-(.+)/);
|
||
|
|
if (m) {
|
||
|
|
this.top("r.push(context.engine.tools.gen_attribute(['" + m[1] + "', (" + (this.format_expression(v)) + ")]));");
|
||
|
|
}
|
||
|
|
var m = a.match(/attf-(.+)/);
|
||
|
|
if (m) {
|
||
|
|
this.top("r.push(context.engine.tools.gen_attribute(['" + m[1] + "', (" + (this.string_interpolation(v)) + ")]));");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (this.actions.opentag === 'true' || (!this.children.length && this.is_void_element)) {
|
||
|
|
// We do not enforce empty content on void elements
|
||
|
|
// because QWeb rendering is not necessarily html.
|
||
|
|
this.top_string("/>");
|
||
|
|
} else {
|
||
|
|
this.top_string(">");
|
||
|
|
this.bottom_string("</" + this.tag + ">");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
compile_action_if : function(value) {
|
||
|
|
this.top("if (" + (this.format_expression(value)) + ") {");
|
||
|
|
this.bottom("}");
|
||
|
|
this.indent();
|
||
|
|
},
|
||
|
|
compile_action_elif : function(value) {
|
||
|
|
this.top("else if (" + (this.format_expression(value)) + ") {");
|
||
|
|
this.bottom("}");
|
||
|
|
this.indent();
|
||
|
|
},
|
||
|
|
compile_action_else : function(value) {
|
||
|
|
this.top("else {");
|
||
|
|
this.bottom("}");
|
||
|
|
this.indent();
|
||
|
|
},
|
||
|
|
compile_action_foreach : function(value) {
|
||
|
|
var as = this.actions['as'] || value.replace(/[^a-zA-Z0-9]/g, '_');
|
||
|
|
//TODO: exception if t-as not valid
|
||
|
|
this.top("context.engine.tools.foreach(context, " + (this.format_expression(value)) + ", " + (this.engine.tools.js_escape(as)) + ", dict, function(context, dict) {");
|
||
|
|
this.bottom("});");
|
||
|
|
this.indent();
|
||
|
|
},
|
||
|
|
compile_action_call : function(value) {
|
||
|
|
if (this.children.length === 0) {
|
||
|
|
return this.top("r.push(context.engine.tools.call(context, " + (this.string_interpolation(value)) + ", dict));");
|
||
|
|
} else {
|
||
|
|
this.top("r.push(context.engine.tools.call(context, " + (this.string_interpolation(value)) + ", dict, null, function(context, dict) {");
|
||
|
|
this.bottom("}));");
|
||
|
|
this.indent();
|
||
|
|
this.top("var r = [];");
|
||
|
|
return this.bottom("return r.join('');");
|
||
|
|
}
|
||
|
|
},
|
||
|
|
compile_action_set : function(value) {
|
||
|
|
var variable = this.format_expression(value);
|
||
|
|
if (this.actions['value']) {
|
||
|
|
if (this.children.length) {
|
||
|
|
this.engine.tools.warning("@set with @value plus node chidren found. Children are ignored.");
|
||
|
|
}
|
||
|
|
this.top(variable + " = (" + (this.format_expression(this.actions['value'])) + ");");
|
||
|
|
this.process_children = false;
|
||
|
|
} else {
|
||
|
|
if (this.children.length === 0) {
|
||
|
|
this.top(variable + " = '';");
|
||
|
|
} else if (this.children.length === 1 && this.children[0].node.nodeType === 3) {
|
||
|
|
this.top(variable + " = " + (this.engine.tools.js_escape(this.children[0].node.data)) + ";");
|
||
|
|
this.process_children = false;
|
||
|
|
} else {
|
||
|
|
this.top(variable + " = (function(dict) {");
|
||
|
|
this.bottom("})(dict);");
|
||
|
|
this.indent();
|
||
|
|
this.top("var r = [];");
|
||
|
|
this.bottom("return r.join('');");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
},
|
||
|
|
compile_action_esc : function(value) {
|
||
|
|
this.top("r.push(context.engine.tools.html_escape("
|
||
|
|
+ this.format_expression(value)
|
||
|
|
+ "));");
|
||
|
|
},
|
||
|
|
compile_action_raw : function(value) {
|
||
|
|
this.top("r.push(" + (this.format_str(value)) + ");");
|
||
|
|
},
|
||
|
|
compile_action_js : function(value) {
|
||
|
|
this.top("(function(" + value + ") {");
|
||
|
|
this.bottom("})(dict);");
|
||
|
|
this.indent();
|
||
|
|
var lines = this.engine.tools.xml_node_to_string(this.node, true).split(/\r?\n/);
|
||
|
|
for (var i = 0, ilen = lines.length; i < ilen; i++) {
|
||
|
|
this.top(lines[i]);
|
||
|
|
}
|
||
|
|
this.process_children = false;
|
||
|
|
},
|
||
|
|
compile_action_debug : function(value) {
|
||
|
|
this.top("debugger;");
|
||
|
|
},
|
||
|
|
compile_action_log : function(value) {
|
||
|
|
this.top("console.log(" + this.format_expression(value) + ");");
|
||
|
|
}
|
||
|
|
});
|
||
|
|
return Element;
|
||
|
|
})();
|