/*!
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* template.js v0.7.1 (https://github.com/yanhaijing/template.js)
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* API https://github.com/yanhaijing/template.js/blob/master/doc/api.md
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* Copyright 2015 yanhaijing. All Rights Reserved
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* Licensed under MIT (https://github.com/yanhaijing/template.js/blob/master/MIT-LICENSE.txt)
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*/
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;(function(root, factory) {
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var template = factory(root);
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if (typeof define === 'function' && define.amd) {
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// AMD
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define('template', function() {
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return template;
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});
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} else if (typeof exports === 'object') {
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// Node.js
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module.exports = template;
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} else {
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// Browser globals
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var _template = root.template;
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template.noConflict = function() {
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if (root.template === template) {
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root.template = _template;
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}
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return template;
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};
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root.template = template;
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}
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}(this, function(root) {
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'use strict';
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var o = {
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sTag: '<%',//开始标签
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eTag: '%>',//结束标签
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compress: false,//是否压缩html
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escape: true, //默认输出是否进行HTML转义
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error: function (e) {}//错误回调
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};
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var functionMap = {}; //内部函数对象
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//修饰器前缀
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var modifierMap = {
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'': function (param) {return nothing(param)},
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'h': function (param) {return encodeHTML(param)},
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'u': function (param) {return encodeURI(param)}
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};
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var toString = {}.toString;
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var slice = [].slice;
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function type(x) {
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if(x === null){
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return 'null';
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}
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var t= typeof x;
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if(t !== 'object'){
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return t;
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}
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var c = toString.call(x).slice(8, -1).toLowerCase();
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if(c !== 'object'){
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return c;
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}
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if(x.constructor==Object){
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return c;
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}
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return 'unkonw';
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}
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function isObject(obj) {
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return type(obj) === 'object';
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}
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function isFunction(fn) {
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return type(fn) === 'function';
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}
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function isString(str) {
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return type(str) === 'string';
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}
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function extend() {
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var target = arguments[0] || {};
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var arrs = slice.call(arguments, 1);
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var len = arrs.length;
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for (var i = 0; i < len; i++) {
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var arr = arrs[i];
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for (var name in arr) {
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target[name] = arr[name];
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}
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}
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return target;
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}
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function clone() {
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var args = slice.call(arguments);
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return extend.apply(null, [{}].concat(args));
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}
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function nothing(param) {
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return param;
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}
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function encodeHTML(source) {
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return String(source)
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.replace(/&/g,'&')
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.replace(/</g,'<')
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.replace(/>/g,'>')
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.replace(/\\/g,'\')
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.replace(/"/g,'"')
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.replace(/'/g,''');
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}
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function compress(html) {
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return html.replace(/\s+/g, ' ').replace(/<!--[\w\W]*?-->/g, '');
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}
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function consoleAdapter(cmd, msg) {
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typeof console !== 'undefined' && console[cmd] && console[cmd](msg);
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}
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function handelError(e) {
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var message = 'template.js error\n\n';
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for (var key in e) {
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message += '<' + key + '>\n' + e[key] + '\n\n';
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}
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message += '<message>\n' + e.message + '\n\n';
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consoleAdapter('error', message);
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o.error(e);
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function error() {
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return 'template.js error';
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}
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error.toString = function () {
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return '__code__ = "template.js error"';
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}
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return error;
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}
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function parse(tpl, opt) {
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var code = '';
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var sTag = opt.sTag;
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var eTag = opt.eTag;
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var escape = opt.escape;
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function parsehtml(line) {
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// 单双引号转义，换行符替换为空格
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line = line.replace(/('|")/g, '\\$1').replace(/\n/g, ' ');
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return ';__code__ += ("' + line + '")\n';
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}
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function parsejs(line) {
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//var reg = /^(:?)(.*?)=(.*)$/;
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var reg = /^(?:=|(:.*?)=)(.*)$/
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var html;
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var arr;
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var modifier;
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// = := :*=
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// :h=123 [':h=123', 'h', '123']
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if (arr = reg.exec(line)) {
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html = arr[2]; // 输出
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if (Boolean(arr[1])) {
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// :开头
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modifier = arr[1].slice(1);
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} else {
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// = 开头
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modifier = escape ? 'h' : '';
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}
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return ';__code__ += __modifierMap__["' + modifier + '"](typeof (' + html + ') !== "undefined" ? (' + html + ') : "")\n';
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}
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//原生js
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return ';' + line + '\n';
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}
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var tokens = tpl.split(sTag);
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for (var i = 0, len = tokens.length; i < len; i++) {
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var token = tokens[i].split(eTag);
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if (token.length === 1) {
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code += parsehtml(token[0]);
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} else {
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code += parsejs(token[0], true);
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if (token[1]) {
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code += parsehtml(token[1]);
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}
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}
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}
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return code;
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}
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function compiler(tpl, opt) {
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var mainCode = parse(tpl, opt);
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var headerCode = '\n' +
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' var html = (function (__data__, __modifierMap__) {\n' +
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' var __str__ = "", __code__ = "";\n' +
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' for(var key in __data__) {\n' +
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' __str__+=("var " + key + "=__data__[\'" + key + "\'];");\n' +
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' }\n' +
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' eval(__str__);\n\n';
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var footerCode = '\n' +
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' ;return __code__;\n' +
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' }(__data__, __modifierMap__));\n' +
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' return html;\n';
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var code = headerCode + mainCode + footerCode;
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code = code.replace(/[\r]/g, ' '); // ie 7 8 会报错，不知道为什么
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try {
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var Render = new Function('__data__', '__modifierMap__', code);
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Render.toString = function () {
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return mainCode;
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}
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return Render;
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} catch(e) {
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e.temp = 'function anonymous(__data__, __modifierMap__) {' + code + '}';
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throw e;
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}
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}
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function compile(tpl, opt) {
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opt = clone(o, opt);
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try {
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var Render = compiler(tpl, opt);
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} catch(e) {
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e.name = 'CompileError';
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e.tpl = tpl;
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e.render = e.temp;
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delete e.temp;
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return handelError(e);
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}
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function render(data) {
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data = clone(functionMap, data);
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try {
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var html = Render(data, modifierMap);
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html = opt.compress ? compress(html) : html;
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return html;
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} catch(e) {
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e.name = 'RenderError';
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e.tpl = tpl;
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e.render = Render.toString();
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return handelError(e)();
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}
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}
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render.toString = function () {
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return Render.toString();
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};
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return render;
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}
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function template(tpl, data) {
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if (typeof tpl !== 'string') {
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return '';
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}
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var fn = compile(tpl);
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if (!isObject(data)) {
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return fn;
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}
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return fn(data);
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}
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template.config = function (option) {
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if (isObject(option)) {
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o = extend(o, option);
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}
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return clone(o);
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};
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template.registerFunction = function(name, fn) {
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if (!isString(name)) {
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return clone(functionMap);
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}
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if (!isFunction(fn)) {
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return functionMap[name];
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}
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return functionMap[name] = fn;
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}
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template.unregisterFunction = function (name) {
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if (!isString(name)) {
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return false;
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}
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delete functionMap[name];
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return true;
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}
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template.registerModifier = function(name, fn) {
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if (!isString(name)) {
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return clone(modifierMap);
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}
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if (!isFunction(fn)) {
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return modifierMap[name];
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}
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return modifierMap[name] = fn;
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}
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template.unregisterModifier = function (name) {
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if (!isString(name)) {
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return false;
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}
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delete modifierMap[name];
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return true;
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}
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template.__encodeHTML = encodeHTML;
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template.__compress = compress;
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template.__handelError = handelError;
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template.__compile = compile;
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template.version = '0.7.1';
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return template;
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}));
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