lite
Version:
A cross platform template engine base on xml/html and javascript expression.
489 lines (471 loc) • 15.7 kB
JavaScript
if(typeof require == 'function'){
var XA_TYPE=require('../js/parse/template-token').XA_TYPE;
var ELSE_TYPE=require('../js/parse/template-token').ELSE_TYPE;
var EL_TYPE=require('../js/parse/template-token').EL_TYPE;
var XT_TYPE=require('../js/parse/template-token').XT_TYPE;
var TranslateContext=require('../js/parse/translate-context').TranslateContext;
var getELType=require('js-el/src/main/js/expression-token').getELType;
var TYPE_ANY=require('js-el/src/main/js/expression-token').TYPE_ANY;
var TYPE_BOOLEAN=require('js-el/src/main/js/expression-token').TYPE_BOOLEAN;
var TYPE_NULL=require('js-el/src/main/js/expression-token').TYPE_NULL;
var TYPE_NUMBER=require('js-el/src/main/js/expression-token').TYPE_NUMBER;
var GLOBAL_DEF_MAP=require('../js/parse/js-translator').GLOBAL_DEF_MAP;
var GLOBAL_VAR_MAP=require('../js/parse/js-translator').GLOBAL_VAR_MAP;
}/*
* List Template
* License LGPL(您可以在任何地方免费使用,但请不要吝啬您对框架本身的改进)
* http://www.xidea.org/project/lite/
* @author jindw
* @version $Id: template.js,v 1.4 2008/02/28 14:39:06 jindw Exp $
*/
/**
* 将Lite中间代码转化为直接的php代码
*
* function index_xhtml_php($__engine,$__context){
* $encodeURIComponent = 'lite_encodeURIComponent';
* $decodeURIComponent = 'lite_decodeURIComponent';
* $key = null;
* $key2 = null;
* $test = 'index_xhtml_php__test';
* extract($__context);
*
*
* }
* function index_xhtml_php__test($__engine,$arg1,$arg2){
*
* }
*/
var FOR_STATUS_KEY = '$__for';
var VAR_LITE_TEMP="$__tmp";
//function checkEL(el){
// new Function("return "+el)
//}
/**
* JS原生代码翻译器实现
* @param config {waitPromise:false,liteImpl:'liteImpl'}
*/
function PHPTranslator(config){
this.waitPromise = config.waitPromise;
//TODO: replace 'lite__**' to config.liteImpl**
this.liteImpl = config.liteImpl||'lite__'
}
PHPTranslator.prototype = {
/**
*
* @param config {name:'functionName',
* //params:['arg1','arg2'],defaults:['arg2value']
* encoding:'utf-8',
* contentType:'text/html',
* i18n:{},
* resources:['/path1.xhtml','/path2.xhtml']
* }
*/
translate:function(list,config){
//var result = JSON.stringify(context.toList())
var context = new PHPTranslateContext(list||this.code,config.name);
context.waitPromise = this.waitPromise;
context.htmlspecialcharsEncoding = context.encoding = config.encoding ||"UTF-8";
context.contentType = config.contentType;
//i18n config
context.i18n = config.i18n
//for i18n find config
context.resources = config.resources;
context.parse();
var code = context.toSource();
return '<?php'+code ;
}
}
function PHPTranslateContext(code,id){
TranslateContext.call(this,code);
this.id = id;
}
function TCP(pt){
for(var n in pt){
this[n] = pt[n];
}
}
TCP.prototype = TranslateContext.prototype;
function toArgList(params,defaults){
if(params.length){
if(defaults && defaults.length){
params = params.concat();
var i = params.length;
var j = defaults.length;
while(j--){
params[--i] += '='+stringifyPHP(defaults[j]);
}
}
return '$'+params.join(',$')
}else{
return '';
}
}
function _stringifyPHPLineArgs(line){//.*[\r\n]*
var endrn="'";
line = line.replace(/['\\]|(\?>)|([\r\n]+$)|[\r\n]/gm,function(a,pend,lend){
if(lend){
endrn = '';
return "',"+JSON.stringify(a);
}else if(pend){
return "?','>";
}else{//'\\
if(a == '\\'){
return '\\\\';
}else if(a == "'"){
return "\\'";
}else{
console.error("非法输出行!!"+JSON.stringify(line));
}
return a == '\\'?'\\\\': "\\'";
}
});
line = "'"+line+endrn;
if("''," == line.substring(0,3)){
line = line.substring(3)
}
return line;
}
function _encodeEL(text,model,encoding){
//TODO: check el type
if(model == -1){
var encode = "htmlspecialchars("+text+",ENT_COMPAT,"+encoding+",false)";
//this.append(prefix,"strtr(",el,",array('<'=>'<','\"'=>'"'));");
}else if(model == XA_TYPE){
var encode = "htmlspecialchars("+text+",ENT_COMPAT,"+encoding+')';
}else if(model == XT_TYPE){
//ENT_COMPAT
var encode = "htmlspecialchars("+text+",ENT_NOQUOTES,"+encoding+')';
}else{
var encode = text;
}
return encode;
}
function _appendFunctionName(context,scope){
for(var n in scope.refMap){
if(!(n in scope.varMap || n in scope.paramMap)){
if(n in GLOBAL_DEF_MAP){
context.append('$',n,"='",n,"';");
}else if(n in GLOBAL_VAR_MAP){
}else{
context.append('$',n,"=function_exists('lite__",n,"')?'",n,"':null;");
}
}
}
}
PHPTranslateContext.prototype = new TCP({
stringifyEL:function (el){
return el?stringifyPHPEL(el,this):null;
},
parse:function(){
this.depth = 0;
this.out = [];
//add function
var defs = this.scope.defs;
for(var i=0;i<defs.length;i++){
var def = this.scope.defMap[defs[i]];
var n = def.name;
this.append("if(!function_exists('lite__",n,"')){function lite__",
n,"(",toArgList(def.params,def.defaults),'){')
this.depth++;
this.append("ob_start();");
_appendFunctionName(this,def);
this.appendCode(def.code);
this.append("$rtv= ob_get_contents();ob_end_clean();return $rtv;");
this.depth--;
this.append("}}");
}
try{
this.append("function lite_template",this.id,'($__context__){')
this.depth++;
if(this.contentType){
this.append("if(!headers_sent())header('ContentType:"+this.contentType+"');")
}
this.append("mb_internal_encoding('"+this.encoding+"');")
_appendFunctionName(this,this.scope);
this.append("extract($__context__,EXTR_OVERWRITE);");
if(this.i18n && this.resources){
var i18ncode = new Function("return "+this.i18n)();
var resources = this.resources;
var resourceMap = {};
var resourceList = [];
for(var i=0;i<resources.length;i++){
resourceMap[i18nHash(resources[i],'_').slice(0,-1)] = resources[i]
}
//console.warn(resources,resourceMap)
for(var n in i18ncode){
n = n.substring(0,n.indexOf('__')+2);
if(n in resourceMap){
resourceList.push(n.slice(0,-2));
delete resourceMap[n];
}
}
this.append("$I18N = "+stringifyPHP(resourceList).replace(/^array/,'lite_i18n')+";")
this.append("$I18N = array_merge("+stringifyPHP(i18ncode)+",$I18N);")
}
this.appendCode(this.scope.code);
if(this.__lazy_module_){
this.append('lite_lazy_block($__lazy_module_);');
}
this.depth--;
this.append("}");
}catch(e){
//alert(["编译失败：",buf.join(""),code])
console.error("PHP编译失败:"+this.id,e);
throw e;
}
//this.append("return _$out.join('');");
},
appendStatic:function(value){
//return this.append("?>"+value+"<?php");
var lines = value.match(/.+[\r\n]*|[\r\n]+/g);
for(var i=0; i<lines.length; i++) {
var line = lines[i];
var start = i==0?'echo ':'\t,'
var end = i == lines.length-1?';':'';
line = _stringifyPHPLineArgs(line);
this.append(start,line,end);
}
},
_appendEL:function(el,model,text,prefix){
var encoding = "'"+this.htmlspecialcharsEncoding+"'";
prefix = prefix!=null? prefix : 'echo '
//@see http://notownme.javaeye.com/blog/335036
var text = text || this.stringifyEL(el);
var type = getELType(el);
//null,boolean
if(isSimplePHPEL(text)){//var encode =
var initText = text;
var tmpId = text;
}else{
tmpId = VAR_LITE_TEMP;
initText = '('+tmpId+'='+text+')';
}
if(type != TYPE_ANY){
if(type == TYPE_NULL){
this.append(prefix,"'null';");
return;
}else if(type == TYPE_BOOLEAN){
this.append(prefix,text,"?'true':'false';");
return;
}else if(type == TYPE_NUMBER){
this.append(prefix,text,";");
return;
}
//
if((TYPE_NULL|TYPE_BOOLEAN)==type){//onlu null boolean
this.append(prefix,initText,"?'true':(",tmpId,"===null?'null':'false');");
return;
}else if(!((TYPE_NULL|TYPE_BOOLEAN) & type)){//number,string,map,array...
this.append(prefix,_encodeEL(text,model,encoding),";");
return;
}
//v1=== null?'null':(v===true?'true':(v == false ?'false':txt))
if(!(type & TYPE_NULL)){
this.append(prefix,
initText," === true?'true':",
"(",tmpId,"===false?'false':",_encodeEL(tmpId,model,encoding),");");
return ;
}else if(!(type & TYPE_BOOLEAN)){
this.append(prefix,
initText,"===null?'null':",_encodeEL(tmpId,model,encoding),";");
return ;
}
}
// this.append(prefix,
// initText," ===null?'null':",
// "(",tmpId," === true?'true':",
// "(",tmpId,"===false?'false':",_encodeEL(tmpId,model,encoding),"));");
this.append(prefix,'(',initText,'===null||',tmpId,'===false || ',tmpId,'===true)?json_encode(',tmpId,'):',_encodeEL(tmpId,model,encoding),';')
},
appendEL:function(item){
this._appendEL(item[1],EL_TYPE)
},
appendXT:function(item){
this._appendEL(item[1],XT_TYPE)
},
appendXA:function(item){
//[7,[[0,"value"]],"attribute"]
var el = item[1];
var value = this.stringifyEL(el);
var attributeName = item.length>2 && item[2];
var testAutoId = this.allocateId(value);
if(testAutoId != value){
this.append(testAutoId,"=",value,';');
}
if(attributeName){
this.append("if(",testAutoId,"!=null){");
this.depth++;
this.append("echo ' "+attributeName+"=\"';");
this._appendEL(el,XA_TYPE,testAutoId)
this.append("echo '\"';");
this.depth--;
this.append("}");
}else{
this._appendEL(el,XA_TYPE,testAutoId);
}
this.freeId(testAutoId);
},
appendVar:function(item){
this.append("$",item[2],"=",this.stringifyEL(item[1]),";");
},
processCapture:function(item){
var childCode = item[1];
var varName = item[2];
this.append("ob_start();");
this.appendCode(childCode);
this.append("$",varName,"= ob_get_contents();ob_end_clean();");
},
appendEncodePlugin:function(item){
this._appendEL(item[1],-1,this.stringifyEL(item[1]));
},
appendDatePlugin:function(pattern,date){//é�xDDS;
//this.impl_counter.d++;
var pattern = this.stringifyEL(pattern[1]);
var date = this.stringifyEL(date[1]);
if(/^(?:'[^']+'|"[^"]+")$/.test(pattern)){
date = date + ',true';
}
this.append('echo lite__2(',pattern,',',date,');')
},
appendModulePlugin:function(child,config){
if(this.waitPromise){
this.append("ob_start();");
//this.append('__out__.lazy(function* __lazy_module_',config.id,'__(__out__){');
this.outputIndent++;
this.appendCode(child)
this.outputIndent--;
//this.append('})');
if(this.__lazy_module_){
this.append('array_push($__lazy_module_,'+config.id+');');
this.append('array_push($__lazy_module_,ob_get_contents());');
}else{
this.append('$__lazy_module_=array('+config.id+',ob_get_contents());')
}
this.append('ob_end_clean();');
this.__lazy_module_ = true;
}else{
this.appendCode(child)
}
},
processIf:function(code,i){
var item = code[i];
var childCode = item[1];
var testEL = item[2];
var test = this.stringifyEL(testEL);
this.append("if(",php2jsBoolean(testEL,test),"){");
this.depth++;
this.appendCode(childCode)
this.depth--;
this.append("}");
var nextElse = code[i+1];
var notEnd = true;
while(nextElse && nextElse[0] == ELSE_TYPE){
i++;
var childCode = nextElse[1];
var testEL = nextElse[2];
var test = this.stringifyEL(testEL);
if(test){
this.append("else if(",php2jsBoolean(testEL,test),"){");
}else{
notEnd = false;
this.append("else{");
}
this.depth++;
this.appendCode(childCode)
this.depth--;
this.append("}");
nextElse = code[i+1];
}
return i;
},
processFor:function(code,i){
var item = code[i];
var indexAutoId = this.allocateId();
var keyAutoId = this.allocateId();
var isKeyAutoId = this.allocateId();
var itemsEL = this.stringifyEL(item[2]);
var varName = '$'+item[3];
//var statusNameId = item[4];
var childCode = item[1];
var forInfo = this.findForStatus(item)
if(forInfo.depth){
var preForAutoId = this.allocateId();
}
if(/^\$[\w_]+$/.test(itemsEL)){
var itemsAutoId = itemsEL;
}else{
var itemsAutoId = this.allocateId();
this.append(itemsAutoId,'=',itemsEL,';');
}
//初始化 items 开始
this.append('if(',itemsAutoId,'<=PHP_INT_MAX){',itemsAutoId,'=',itemsAutoId,'>0?range(1,',itemsAutoId,'):array();}');
//初始化 for状态
var needForStatus = forInfo.ref || forInfo.index || forInfo.lastIndex;
if(needForStatus){
if(forInfo.depth){
this.append(preForAutoId ,"=",FOR_STATUS_KEY,";");
}
this.append(FOR_STATUS_KEY," = array('lastIndex'=>count(",itemsAutoId,")-1);");
}
this.append(indexAutoId,"=-1;")
this.append(isKeyAutoId,'=false;')
this.append("foreach(",itemsAutoId," as ",keyAutoId,"=>",varName,"){");
this.depth++;
this.append("if(++",indexAutoId," === 0){");
this.depth++;
this.append(isKeyAutoId,"=",keyAutoId," !== 0;");
this.depth--;
this.append("}");
this.append("if(",isKeyAutoId,"){",varName,'=',keyAutoId,";}");
if(needForStatus){
this.append(FOR_STATUS_KEY,"['index']=",indexAutoId,";");
}
this.appendCode(childCode);
this.depth--;
this.append("}");//end for
if(needForStatus && forInfo.depth){
this.append(FOR_STATUS_KEY,"=",preForAutoId,';');
}
this.freeId(isKeyAutoId);
this.freeId(keyAutoId);
this.freeId(itemsAutoId);
if(forInfo.depth){
this.freeId(preForAutoId);
}
var nextElse = code[i+1];
var notEnd = true;
var elseIndex = 0;
while(notEnd && nextElse && nextElse[0] == ELSE_TYPE){
i++;
elseIndex++;
var childCode = nextElse[1];
var testEL = nextElse[2];
var test = this.stringifyEL(testEL);
var ifstart = elseIndex >1 ?'else if' :'if';
if(test){
this.append(ifstart,"(",indexAutoId,"<0&&",php2jsBoolean(testEL,test),"){");
}else{
notEnd = false;
this.append(ifstart,"(",indexAutoId,"<0){");
}
this.depth++;
this.appendCode(childCode)
this.depth--;
this.append("}");
nextElse = code[i+1];
}
this.freeId(indexAutoId);
return i;
},
toSource:function(){
return this.out.join('');
}
});
if(typeof require == 'function'){
exports.PHPTranslator=PHPTranslator;
var php2jsBoolean=require('./php-el-translator').php2jsBoolean;
var isSimplePHPEL=require('./php-el-translator').isSimplePHPEL;
var stringifyPHP=require('./php-el-translator').stringifyPHP;
var stringifyPHPEL=require('./php-el-translator').stringifyPHPEL;
var i18nHash=require('../js/parse/syntax-i18n').i18nHash;
}