package org.lilystudio.smarty4j.statement.function;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Map;
import org.lilystudio.smarty4j.Template;
import org.lilystudio.smarty4j.TemplateReader;
import org.lilystudio.smarty4j.statement.Function;
import org.lilystudio.smarty4j.statement.ParameterCharacter;
import org.objectweb.asm.MethodVisitor;
/**
* 直接加载一个子文件，与include函数不同之处在于，
* 使用macro加载的文件分析得到的节点树，将作为当前模板的一个子节点而存在。
*
* @see org.lilystudio.smarty4j.statement.IBlockFunction#find(Class)
* @see org.lilystudio.smarty4j.statement.function.$include
*
* @version 1.0.0, 2010/10/01
* @author 欧阳先伟
* @since Smarty 1.0
*/
public class $macro extends Function {
/** 参数定义 */
private static ParameterCharacter[] definitions = { new ParameterCharacter(
ParameterCharacter.STRING, "file") };
@Override
public void process(Template template, TemplateReader in, String left,
String right) {
String name = getParameter(0).toString();
String path = template.getPath(name, false);
File file = new File(path);
template.associate(file);
try {
in.insertReader(name, new TemplateReader(new InputStreamReader(
new FileInputStream(file), template.getEngine().getEncoding())));
} catch (IOException e) {
in.addMessage("文件打开错误");
}
}
public ParameterCharacter[] getDefinitions() {
return definitions;
}
public void parse(MethodVisitor mw, int local,
Map<String, Integer> variableNames) {
}
}