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Copy pathTemplateCompile.java
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executable file
·445 lines (400 loc) · 16.4 KB
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package Web;
import java.io.File;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.util.regex.Pattern;
import java.io.IOException;
import java.util.ArrayList;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Matcher;
/**
* 编译模版成Java代码
*
* @author Ma
*/
public class TemplateCompile {
/**
* 模版目录
*/
String TemplatePath = Options.TemplatePath;
protected ArrayList<String> block;
protected ArrayList<String> blockContent;
protected boolean isBlock = false;
protected boolean isExtends = false;//标记是否是有继承关系
private BufferedWriter writer;
public TemplateCompile() {
this.blockContent = new ArrayList<String>();
this.block = new ArrayList<String>();
this.TemplatePath = Options.TemplatePath;
}
/**
* public static void main(String[] args) { TemplateCompile self = new
* TemplateCompile(); File tplDir = new File(self.TemplatePath); //判断目录是否存在
* tplDir.isDirectory();
*
* String[] fileList = tplDir.list();
*
* for (int i = 0; i < fileList.length; i++) { String string = fileList[i];
* if (string.matches(".+\\.java")) {//不处理Java文件 continue; }
* self.start(string); System.out.println(string);//@todo 后期处理子目录的问题 } }
*
*/
public int start(String fileName) {
File tplFile = new File(this.TemplatePath + fileName);
if (tplFile.exists()) {
try {
BufferedReader reader = new BufferedReader(new FileReader(tplFile));
String line = null;
//编译文件Start
File compilerFile = this.getFile(fileName);//获取Java文件
if (compilerFile.exists()) {
//如果文件存在就比较时间
if (compilerFile.lastModified() > tplFile.lastModified()) {
//如果最后修改的时候小于编译后的Java文件的最后日期
//直接返回
//return 0;注释掉，每次都重新编译
}
} else {
//如果文件不存在就创建
compilerFile.createNewFile();
}
this.writer = new BufferedWriter(new FileWriter(compilerFile));
if (!compilerFile.isFile()) {
;//说明创建失败
}
//编译文件END
String fatherTpl = "Web.BaseTemplate";//默认继承
line = reader.readLine();//分析第一行是否继承
Pattern pat = Pattern.compile("\\{\\%\\s*extends\\s*\\s(\\w+)\\s*\\%\\}");
Matcher mat = pat.matcher(line);
if (mat.find()) {
fatherTpl = mat.group(1) + "Template";
line = line.replace(mat.group(), "");
this.isExtends = true;
//遇到继承，就去解析父模版
TemplateCompile templateCompile = new TemplateCompile();
int r = templateCompile.start(mat.group(1) + ".html");
}
//识别继承标识Start
Pattern blockPat = Pattern.compile("\\{\\%\\s*block\\s*(\\w+)\\s*\\%\\}");
//识别继承标识END
//writer.write("package Web.Template" + this.getPackage(fileName) + ";\npublic class "
writer.write("package Template" + this.getPackage(fileName) + ";\npublic class "
+ this.getfileName(fileName)
+ "Template extends " + fatherTpl + "{");
if (!this.isExtends) {
writer.write("\n\tpublic String display(){\n\t\tString str= \n");
}
while (line != null) {
line = line.trim();
if (line.length() < 1) {
line = reader.readLine();//读取下一行
continue;
}
//检查是否是block Start
Matcher blockMat = blockPat.matcher(line);
if (blockMat.find()) {
this.block.add(blockMat.group(1));
this.blockContent.add("");
this.isBlock = true;
line = line.replace(blockMat.group(), "\"\"+this." + blockMat.group(1) + "()");
this.writerFile(line, true);
line = reader.readLine();//读取下一行
continue;
//System.out.println(blockMat.group(1));
}
//检查是否是block End
if (this.isBlock && line.matches("\\{\\%\\s*end\\s*\\%\\}")) {
this.isBlock = false;
line = reader.readLine();//读取下一行
continue;
}
//检查if 语句
if (line.matches(".*\\{\\%\\s*if\\s*\\(.+\\)\\s*\\%\\}.*")) {
line = line.replace("\"", "\\\"");
line = line.replace("{%", "\";");
line = line.replace("%}", "{str=str");
line = "\"" + line + "\n";
if (this.isBlock) {
this.writerBlock(line, true);
} else {
this.writerFile(line, true);
}
line = reader.readLine();//读取下一行
continue;
}
//检查endif 语句
if (line.matches(".*\\{\\%\\s*endif\\s*\\%\\}.*")) {
line = line.replaceAll("\\{\\%\\s*endif\\s*\\%\\}", "\";}str=str+\"");
line = "\"" + line + "\"\n";
if (this.isBlock) {
this.writerBlock(line, true);
} else {
this.writerFile(line, true);
}
line = reader.readLine();//读取下一行
continue;
}
//检查elseif 语句
if (line.matches(".*\\{\\%\\s*elseif\\s*\\(.+\\)\\s*\\%\\}.*")) {
line = line.replace("{%", "\";}");
line = line.replace("%}", "{str=str");
line = line.replace("elseif", "else if");
line = "\"" + line + "\n";
if (this.isBlock) {
this.writerBlock(line, true);
} else {
this.writerFile(line, true);
}
line = reader.readLine();//读取下一行
continue;
}
//检查else 语句
if (line.matches(".*\\{\\%\\s*else\\s*\\%\\}.*")) {
line = line.replaceAll("\\{\\%\\s*else\\s*\\%\\}", "\";}else{str=str");
line = "\"" + line + "\n";
if (this.isBlock) {
this.writerBlock(line, true);
} else {
this.writerFile(line, true);
}
line = reader.readLine();//读取下一行
continue;
}
//检查for 语句
if (line.matches(".*\\{\\%\\s*for\\s*\\(.+\\)\\s*\\%\\}.*")) {
line = line.replace("{%", "\";");
line = line.replace("%}", "{str=str");
line = "\"" + line + "\n";
if (this.isBlock) {
this.writerBlock(line, true);
} else {
this.writerFile(line, true);
}
line = reader.readLine();//读取下一行
continue;
}
//检查endfor 语句
if (line.matches(".*\\{\\%\\s*endfor\\s*\\%\\}.*")) {
line = line.replaceAll("\\{\\%\\s*endfor\\s*\\%\\}", "\";}str=str");
line = "\"" + line + "\n";
if (this.isBlock) {
this.writerBlock(line, true);
} else {
this.writerFile(line, true);
}
line = reader.readLine();//读取下一行
continue;
}
if (this.isBlock) {
this.writerBlock(line);
} else {
this.writerFile(line);
}
writer.newLine();
//writer.newLine();
line = reader.readLine();//读取下一行
}
reader.close();
this.flush();
this.writer.flush();
this.writer.close();
return 0;
} catch (FileNotFoundException ex) {
Logger.getLogger(TemplateCompile.class.getName()).log(Level.SEVERE, null, ex);
} catch (IOException ex) {
Logger.getLogger(TemplateCompile.class.getName()).log(Level.SEVERE, null, ex);
}
} else {
return 1;
}
return 0;
}
/**
* 创建编译后的文件
*
* @param fileName
* @return
*/
protected File getFile(String fileName) {
fileName = this.getFilePath(fileName) + "/" + this.getfileName(fileName);
String javaTplName = fileName + "Template.java";
File JavaFile = new File(this.TemplatePath + javaTplName);
return JavaFile;
}
/**
* 获取文件名字，不包括扩展名字
*
* @param fileName
* @return
*/
protected String getfileName(String fileName) {
//获取文件名字，不包含扩展名
int index = fileName.lastIndexOf(".html");
fileName = fileName.substring(0, index);
index = fileName.lastIndexOf("/");
fileName = fileName.substring(index + 1);
return fileName;
}
/**
* 获取文件的路径
*
* @param fileName
* @return
*/
protected String getFilePath(String fileName) {
int index = fileName.lastIndexOf(".html");
fileName = fileName.substring(0, index);
index = fileName.lastIndexOf("/");
String path = "";
if (index > 0) {
path = fileName.substring(0, index);
}
return path;
}
protected String getPackage(String fileName) {
String path = this.getFilePath(fileName);
if (path.equals("")) {
path = "";
} else {
path = "." + path.replace("/", ".");
}
return path;
}
/**
* 写入bolck，自动添加引号
*
* @param line
* @return
*/
protected String writerBlock(String line) {
String r = "";
//首先把所有变量修改{{}}
if (line.matches(".*\\{\\{.+\\}\\}.*")) {
Pattern pattern = Pattern.compile(".*\\{\\{(\\w+):(\\w+):?(\\w+)?\\}\\}.*");
Matcher matcher = pattern.matcher(line);
if (matcher.find()) {
line = line.replace("\"", "\\\"");
if (matcher.group(3) == null) {
line = line.replaceFirst("\\{\\{(.+):(.+)\\}\\}", "\"+this.getArray(\""
+ matcher.group(1) + "\")["
+ matcher.group(2) + "]+\"");
} else {//说明是引用2维数组
line = line.replaceFirst("\\{\\{(.+):(.+):(.+)\\}\\}", "\"+this.getArray2(\""
+ matcher.group(1) + "\")["
+ matcher.group(2) + "][" + matcher.group(3) + "]+\"");
}
} else {
line = line.replace("{{", "\"+this.get(\"");
line = line.replace("}}", "\")+\"");
line = line.replace("\"", "\\\"");
}
r = this.blockContent.set(this.block.size() - 1, this.blockContent.get(this.block.size() - 1) + "+\n" + "\"" + line + "\"");
} else {
r = this.blockContent.set(this.block.size() - 1, this.blockContent.get(this.block.size() - 1) + "+\n" + "\"" + line.replace("\"", "\\\"") + "\"");
}
return r;
}
/**
* 写入 bolck，不写入引号
*
* @param line
* @param eval
* @return
*/
protected String writerBlock(String line, boolean eval) {
//首先把所有变量修改{{}}
Pattern pat = Pattern.compile("\\(.*\\$([_a-zA-Z][_a-zA-Z0-9]*):?(\\w*).*\\)");
Matcher mat = pat.matcher(line);
if (mat.find()) {
String param = mat.group(1);
String valueType = "";
if (mat.group(2).length() > 0) {
valueType = mat.group(2).replaceFirst(mat.group(2).substring(0, 1), mat.group(2).substring(0, 1).toUpperCase());
}
line = line.replaceAll("\\$([_a-zA-Z][_a-zA-Z0-9]*):?(\\w*)", "this.get"
+ valueType
+ "(\"" + param + "\")");
}
String r = this.blockContent.set(this.block.size() - 1, this.blockContent.get(this.block.size() - 1) + "+\n" + line);
return r;
}
/**
* 写入引号
*
* @param line
*/
protected void writerFile(String line) {
line = line.replace("\"", "\\\"");
//首先把所有变量修改{{}}
if (line.matches(".*\\{\\{.+\\}\\}.*")) {
Pattern pattern = Pattern.compile(".*\\{\\{(\\w+):(\\w+)\\}\\}.*");
Matcher matcher = pattern.matcher(line);
if (matcher.matches()) {
line = line.replaceAll("\\{\\{(.+):(.+)\\}\\}", "\"+this.getArray(\""
+ matcher.group(1) + "\")["
+ matcher.group(2) + "]+\"");
} else {
line = line.replace("{{", "\"+this.get(\"");
line = line.replace("}}", "\")+\"");
}
}
try {
writer.write("\"" + line + "\"+");
} catch (IOException ex) {
Logger.getLogger(TemplateCompile.class.getName()).log(Level.SEVERE, null, ex);
}
}
/**
* 不写入引号
*
* @param line
* @param eval
*/
protected void writerFile(String line, boolean eval) {
//首先把所有变量修改{{}}
Pattern pat = Pattern.compile("\\(.*\\$([_a-zA-Z][_a-zA-Z0-9]*):?(\\w*).*\\)");
Matcher mat = pat.matcher(line);
if (mat.find()) {
String param = mat.group(1);
String valueType = "";
if (mat.group(2).length() > 0) {
valueType = mat.group(2).replaceFirst(mat.group(2).substring(0, 1), mat.group(2).substring(0, 1).toUpperCase());
}
line = line.replaceAll("\\$([_a-zA-Z][_a-zA-Z0-9]*):?(\\w*)", "this.get"
+ valueType
+ "(\"" + param + "\")");
}
try {
if (!this.isExtends) {
writer.write("" + line + "+");
}
} catch (IOException ex) {
Logger.getLogger(TemplateCompile.class.getName()).log(Level.SEVERE, null, ex);
}
}
/**
* 处理结尾，把block写在里面
*/
protected void flush() {
try {
if (!this.isExtends) {
this.writer.write("\"\";return str;\n}");
}
for (int i = 0; i < this.block.size(); i++) {
try {
this.writer.write("public String " + this.block.get(i) + " (){ String str = \"\"" + this.blockContent.get(i) + ";return str;}");
} catch (IOException ex) {
Logger.getLogger(TemplateCompile.class.getName()).log(Level.SEVERE, null, ex);
}
}
this.writer.write("\n}");
} catch (IOException ex) {
Logger.getLogger(TemplateCompile.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
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