lite/src/main/js/parse/syntax-text.js

A cross platform template engine base on xml/html and javascript expression.

/*
 * 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 $
 */



var findELEnd=require('./el-util').findELEnd;
var PLUGIN_DEFINE=require('./template-token').PLUGIN_DEFINE;
var parseDefName = require('./syntax-util').parseDefName;
var findLiteParamMap=require('./syntax-util').findLiteParamMap;
var appendForStart = require('./syntax-util').appendForStart;

exports.seekxa = function(text){
	var end = findELEnd(text,0);
	if(end>0){
		try{
			var el = text.substring(1,end);
			if(/^\s*([\w\-]+|"[^"]+"|'[^']+')\s*\:/.test(el)){
				var map = findLiteParamMap(el);
				for(var n in map){
					this.appendXA(n,map[n]);
				}
			}else{
				this.appendXA(null,el)
			}
	    	return end;
		}catch(e){
			console.error("XML属性表达式解析异常，请检查是否手误：[fileName:"+this.currentURI+",el:"+el+"],text:"+text,e)
			return -1;
		}
	}else{
		console.warn("XML属性表达式解析异常，请检查是否手误：[fileName:"+this.currentURI+",el:"+text+"]")
		return -1;
	}
};
exports.seekxt = function(text){
	var end = findELEnd(text,0);
	if(end>0){
		try{
			var el = text.substring(1,end);
			this.appendXT(el)
            return end;
		}catch(e){
			console.error("XML文本表达式解析异常，请检查是否手误：[fileName:"+this.currentURI+",el:"+el+"],text:"+text,e)
			return -1;
		}
	}else{
		console.warn("XML文本表达式解析异常，请检查是否手误：[fileName:"+this.currentURI+",el:"+text+"]")
		return -1;
	}
}
function trimSpaceLine(ctx,text){
	//ctx.trimLineEnd();
	var previous = ctx._result.result;
	var last = previous[previous.length-1];
	if(typeof last == 'string'){
        previous[previous.length-1] = last.replace(/(?:\r\n?|\n|^)[^\S\r\n]*$/,'')
	}
    if(text.charAt() == '$'){
        var m = /[\s]*?(?:\r\n?|\n)/.exec(text);
        if(m ){
            return m[0].length;
        }
    }
    return 0;
}
exports.seekEnd= function(text){
	var end = 0;
    if(text.charAt() == '$'){
    	//console.log('end $')
    	end = trimSpaceLine(this,text)
    }
    this.appendEnd();
    return end;
}
exports.seekElse=function (text){
    //console.log('else el:',text,text.charAt(),'$$$')
    if(text.charAt() == '$'){
        //console.log('else $',text,'#####')
        end = trimSpaceLine(this,text);
        this.appendEnd();
        this.appendElse(null);
        return end;
    }else{
        var end = findELEnd(text);
        if(end>0){
            this.appendEnd();
            this.appendElse(text.substring(1,end)||null);
            return end;
        }else{
            this.appendEnd();
            this.appendElse(null);
		}
        return 0;
    }
}
exports.seekDef=function (text){
    var end = findELEnd(text);
	if(end>0){
		var ns = text.substring(1,end);
	    var config = parseDefName(ns);
	    this.appendPlugin(PLUGIN_DEFINE,JSON.stringify(config));
    	return end;
	}
}
exports.seekVar=function (text){
	var end = findELEnd(text);
	if(end>0){
		var value = text.substring(1,end);
		if(/^\s*(?:\w+|['"][^"]+['"])\s*$/.test(value)){
	        this.appendCapture(value.replace(/['"]/g,''));
		}else{
			var map = findLiteParamMap(value);
			for(var n in map){
				this.appendVar(n,map[n]);
			}
		}
    	return end;
	}
}
exports.seekClient= function(text){
	var end = findELEnd(text);
	if(end>0){
		var ns = text.substring(1,end);
	    var config = parseDefName(ns);
	    this.appendPlugin("org.xidea.lite.parse.ClientPlugin",JSON.stringify(config));
    	return end;
	}
}
exports.seekIf=function (text){
	var end = findELEnd(text,0);
	if(end>0){
		this.appendIf(text.substring(1,end));
		return end;
	}
}
exports.seekElif=function (text){
	var end = findELEnd(text);
	if(end>0){
		this.appendEnd();
		this.appendElse(text.substring(1,end)||null);
		return end;
	}
}
exports.seekFor=function (text){
	var end = findELEnd(text);
	if(end>0){
		var value = text.substring(1,end);
		appendForStart(this,value);
    	return end;
	}
}
exports.seekOut=function (text){
	var end = findELEnd(text);
	if(end>0){
		var value = text.substring(1,end);
		this.appendEL(value);
		return end;
	}
}