package com.willerce.yabo;
import jargs.gnu.CmdLineParser;
import java.io.*;
import com.yahoo.platform.yui.compressor.YUICompressor;
/**
* Created with IntelliJ IDEA.
* User: willerce
* Date: 11/6/12
* Time: 8:40 PM
*/
public class Yabo {
public static void main(String args[]) {
CmdLineParser parser = new CmdLineParser();
CmdLineParser.Option fileOpt = parser.addStringOption('f', "file");
CmdLineParser.Option helpOpt = parser.addBooleanOption('h', "help");
CmdLineParser.Option versionOpt = parser.addBooleanOption('V', "version");
try {
parser.parse(args);
//输出帮助
Boolean help = (Boolean) parser.getOptionValue(helpOpt);
if (help != null && help.booleanValue()) {
usage();
System.exit(0);
}
//输出版本号信息
Boolean version = (Boolean) parser.getOptionValue(versionOpt);
if (version != null && version.booleanValue()) {
version();
System.exit(0);
}
//根目录
String rootPath;
//原CSS文件路径
String filePath = (String) parser.getOptionValue(fileOpt);
//需要合并压缩的文件
File file = new File(filePath);
//如果给的不是绝对路径,则以当前jar包所有路径为根目录
if(!file.isAbsolute()){
rootPath = System.getProperty("user.dir", "w:\\")+"\\";
}else{
rootPath = file.getParent()+"\\";
}
//设置压缩合并后的保存路径，根目录/文件名.min.css
String outputPath = rootPath + Util.trimExtension(file.getName()) +".min.css";
//判断文件后缀
if (!"css".equals(Util.getExtension(file))) {
System.out.println("抱歉，暂时只支持单个CSS合并压缩");
return;
} else {
StringBuffer sb = new StringBuffer();
FileReader reader = new FileReader(filePath);
BufferedReader br = new BufferedReader(reader);
String line;
while ((line = br.readLine()) != null) {
if (line.matches("@import url\\(\"?(.*?\\.css)\"?\\);?")) {//是一个import
String importCssPath = line.replaceFirst("@import url\\(\"?(.*?\\.css)\"?\\);?", "$1");
sb.append(Util.readToString(rootPath + "\\" + importCssPath, "utf-8"));
} else {
sb.append(line);
}
}
br.close();
reader.close();
//System.out.println(sb);
//保存一个临时文件
Util.writeToFile(sb.toString(), rootPath + "tmp_combo.css");
String[] par = {"-o", outputPath, rootPath + "tmp_combo.css"};
//运行YUI
YUICompressor.main(par);
//删除临时文件
Util.deleteFile(rootPath + "tmp_combo.css");
System.out.print("Yeah! yabo compressor sucess run");
}
} catch (Exception e) {
System.out.print(e);
}
}
private static void version() {
System.err.println("1.0");
}
private static void usage() {
System.err.println(
"\nYabo Version: 1.0\n"
+ "Usage: java -jar yabo-1.0.jar -f [input file]\n"
+ "\n"
+ "Options\n"
+ " -V, --version Print version information\n"
+ " -h, --help Displays this information\n"
+ " -f css file path Input CSS file absolute path\n");
}
}