nyx_server/bin/lib/build/processors/cssProcessor.js

Node内容发布

"use strict";

var ProcessorBase = require('./processorBase'); //处理器的基类

var util = require('util');
var cssmin = require('cssmin');

var matchRegex = function(){
     return /([\s]*)<link[^\>]+href=['"]([^"']+)["'][^>]*>[\r|\n]*/gi;
};

var CssProcessor = function(){
      
      ProcessorBase.apply(this , arguments);  
      
      this.getBlocks = function getBlocks(blockContent){
             var blocks = blockContent.match(matchRegex());
             var ret = [];
             if(!blocks){
                return ret;   
             }
             for(var i=0 ; i<blocks.length ; i++){
                var block = blocks[i];
                var arr = matchRegex().exec(block);   
                ret.push({
                    filePath : arr[2],    
                    blockContent : block,
                    space: arr[1]
                });
             }
             return ret;
        };
      
      var replaced = false;
      
      this.replaceContent = function replaceContent(orgiContent , block , targetFileName , returnType){
            if(!replaced){
                replaced = true;
                return orgiContent.replace(block.blockContent ,  block.space+'<link rel="stylesheet" href="'+targetFileName+'">'+returnType);
            }else{
                return orgiContent.replace(block.blockContent , '');    
            }
      };
        
      this.processContent = function(/*[]*/contents , targetFileName , returnType){
            var concatContent = [];
            for(var i=0 ; i<contents.length ; i++){
                concatContent.push(contents[i].content , returnType);
            }
            return concatContent.join('\n');
            
      };
      
      
      this.compressContent = function compressContent(content){
            var minContent = cssmin(content);
            return minContent;
      }
};


module.exports = CssProcessor;