public static Template FromFile(string filePath)
{
if (File.Exists(filePath))
{
FileInfo fileInfo = new FileInfo(filePath);
Template t = new Template(fileInfo.Name, File.ReadAllText(filePath, Encoding.Default));
t.Dir = fileInfo.DirectoryName;
t.SetValue("Dir", t.Dir);
return t;
}
else
throw new Exception("文件未找到！：" + filePath);
}
public string Process()
{
if (Elements == null)
{
lexer = new TemplateLexer(this.Content);
parser = new TemplateParser(lexer);
tagParser = new TagParser(parser);
//TagParser tagParser=new TagParser(parser);
//List<Element> elements = tagParser.Parse();
Elements = tagParser.Parse();
}
for (int i = 0; i < Elements.Count; i++)
{
if (Elements[i] is Function)
{
sw.Write(ProcessFunction(Elements[i] as Function));
}
else if (Elements[i] is TagFunction)
{
var item = Elements[i] as TagFunction;
if (item.FunctionName == "Include")
{
string templateName = string.Empty;
Expression attrExp = item.GetAttribute("file");
templateName = EvalExpression(attrExp).ToString();
var temp = new Template(templateName, ProcessTagFunction(item));
for (int j = 0; j < Variables.Count; j++)
{
string key = Variables.GetKey(j);
string value = Variables.GetValue(j).ToString();
temp.SetValue(Variables.GetKey(j), Variables.GetValue(j));
}
sw.Write(temp.Process());
}
else
sw.Write(ProcessTagFunction(Elements[i] as TagFunction));
}
else if (Elements[i] is Text)
{
sw.Write((Elements[i] as Text).Data);
}
else if (Elements[i] is Field)
{
sw.Write(EvalField(Elements[i] as Field));
}
else if(Elements[i] is Variable)
{
sw.Write(GetVariableValue((Elements[i] as Variable).Name));
}
else if (Elements[i] is TagClose)
{
}
}
return sw.GetStringBuilder().ToString();
}