private void GenerateLoopExpressionParamAspxCode(TemplateElement node, ScopeData scopeData)
{
if (node.ChildNodes.Count == 2)
{
if (node.ChildNodes[0].Type == TemplateElementTypes.Variable)
{
TemplateElement variable = node.ChildNodes[0];
TemplateElement target = node.ChildNodes[1];
StringBuffer codeBody = new StringBuffer();
Type returnType = null;
switch (target.Type)
{
case TemplateElementTypes.Variable:
GenerateVariableAspxCode(codeBody, target, out returnType, scopeData);
break;
case TemplateElementTypes.Function:
GenerateFunctionAspxCode(codeBody, target, out returnType, scopeData);
break;
}
if (returnType != null)
{
Type enumerType = returnType.GetInterface("IEnumerable`1");
if (enumerType == null)
enumerType = returnType.GetInterface("IEnumerator`1");
Type varType = null;
if (enumerType != null)
varType = enumerType.GetGenericArguments()[0];
else
{
if (returnType == s_TypeOfStringCollection || returnType.IsSubclassOf(s_TypeOfStringCollection))
varType = typeof(string);
}
if (varType != null)
{
string varName = variable.Items[TemplateElement.KEY_NAME] as string;
string i = node.Items["i"] as string;
if (varName != null)
{
ScopeData scope = new ScopeData(scopeData);
string iVarName = null;
if(i != null)
iVarName = scope.DeclaringScopeVariable(i, typeof(int));
m_CodeBody += "<%\r\nif(" + codeBody + " != null)\r\n{%>";
if (iVarName != null)
m_CodeBody += "<%\r\nint " + iVarName + "=0;\r\n%>";
m_CodeBody += "<%\r\nforeach(" + ReflectionUtil.GetCSharpTypeName(varType) + " " + scope.DeclaringScopeVariable(varName, varType) + " in " + codeBody + "){%>";
GenerateAspxCode(node.Parent, scope);
m_CodeBody += "<%";
if (iVarName != null)
m_CodeBody += "\r\n" + iVarName + "+=1;";
m_CodeBody += "\r\n}\r\n}";
m_CodeBody += "%>";
}
}
}
}
}
}
private void GenerateLoopExpressionParam2AspxCode(TemplateElement node, ScopeData scopeData)
{
if (node.ChildNodes.Count == 2)
{
TemplateElement from = node.ChildNodes[0];
TemplateElement to = node.ChildNodes[1];
StringBuffer fromCode = new StringBuffer();
Type fromType = null;
switch (from.Type)
{
case TemplateElementTypes.Variable:
GenerateVariableAspxCode(fromCode, from, out fromType, scopeData);
break;
case TemplateElementTypes.Function:
GenerateFunctionAspxCode(fromCode, from, out fromType, scopeData);
break;
case TemplateElementTypes.Literal:
string fromValue = from.SourceTemplate.Substring(from.Index, from.Length);
int temp = -1;
if (int.TryParse(fromValue, out temp))
{
fromCode += fromValue;
fromType = typeof(int);
}
break;
}
StringBuffer toCode = new StringBuffer();
Type toType = null;
switch (to.Type)
{
case TemplateElementTypes.Variable:
GenerateVariableAspxCode(toCode, to, out toType, scopeData);
break;
case TemplateElementTypes.Function:
GenerateFunctionAspxCode(toCode, to, out toType, scopeData);
break;
case TemplateElementTypes.Literal:
string toValue = to.SourceTemplate.Substring(to.Index, to.Length);
int temp = -1;
if (int.TryParse(toValue, out temp))
{
toCode += toValue;
toType = typeof(int);
}
break;
}
if (fromType == typeof(int) && toType == typeof(int))
{
string i = node.Items["i"] as string;
string step = node.Items["step"] as string;
uint temp = 0;
if (i != null && (step == null || (uint.TryParse(step, out temp) && temp > 0)))
{
if (step == null)
step = "1";
ScopeData scope = new ScopeData(scopeData);
string iVarName = scope.DeclaringScopeVariable(i, typeof(int));
//example: for (int i = a; a > b ? i >= b : i <= b; i += a > b ? -c : c)
m_CodeBody += "<%\r\nfor(int " + iVarName + "=" + fromCode + ";" + fromCode + " > " + toCode + " ? " + iVarName + " >= " + toCode + " : " + iVarName + " <= " + toCode + ";" + iVarName + " += " + fromCode + " > " + toCode + " ? -" + step + " : " + step + "){%>";
GenerateAspxCode(node.Parent, scope);
m_CodeBody += "<%\r\n}%>";
}
}
}
}
private void GenerateTagAspxCode(TemplateElement tag, ScopeData scopeData)
{
string name = ((string)tag.Items[TemplateElement.KEY_NAME]);
if (string.Compare(name, "page", true) == 0)
return;
else if (string.Compare(name, "break", true) == 0)
{
m_CodeBody += "<% break; %>";
return;
}
else if (string.Compare(name, "continue", true) == 0)
{
m_CodeBody += "<% continue; %>";
return;
}
MethodInfo method = SearchMethodForTag(tag);
if (method != null)
{
string instanceName = DeclaringVariable(method.DeclaringType);
m_CodeBody += "<%\r\n" + instanceName + "." + method.Name + "(";
int templateIndex = -1; //模板委托类型参数的起始索引
int templateCount = 0; //模板委托类型参数的个数
bool needRemoveDot = false;
ParameterInfo[] parameters = method.GetParameters();
#region 将模板标签属性输出为方法参数
for (int i = 0; i < parameters.Length; i++)
{
if (parameters[i].ParameterType.IsSubclassOf(typeof(Delegate)) == false)
{
TemplateElement attributeListItem = GetAttributeListItem(parameters[i], tag.ChildNodes[0]);
if (attributeListItem != null)
{
GenerateAttributeListItemAspxCode(parameters[i], attributeListItem, scopeData);
}
m_CodeBody += ",";
needRemoveDot = true;
}
else
{
if (templateIndex == -1)
templateIndex = i;
templateCount++;
}
}
if (needRemoveDot == true)
m_CodeBody.InnerBuilder.Remove(m_CodeBody.InnerBuilder.Length - 1, 1);
#endregion
#region 将模板标签的模板内容输出为匿名委托
for (int i = templateIndex; i - templateIndex < templateCount; i++)
{
ScopeData scope = new ScopeData(scopeData);
if (needRemoveDot == true)
{
m_CodeBody += ",";
}
else
{
needRemoveDot = true;
}
m_CodeBody += "delegate(";
ParameterInfo[] args = parameters[i].ParameterType.GetMethod("Invoke").GetParameters();
for (int j = 0; j < args.Length; j++)
{
m_CodeBody += ReflectionUtil.GetCSharpTypeName(args[j].ParameterType) + " " + scope.DeclaringScopeVariable(args[j]);
if (j < args.Length - 1)
m_CodeBody += ",";
}
m_CodeBody += "){\r\n%>";
if (templateCount == 1)
{
GenerateAspxCode(tag, scope);
}
else
{
for (int j = 1; j < tag.ChildNodes.Count; j++)
{
TemplateElement element = tag.ChildNodes[j];
if (element.Type == TemplateElementTypes.Tag)
{
string tagName = (string)element.Items[TemplateElement.KEY_NAME];
if (StringUtil.EqualsIgnoreCase(parameters[i].Name, tagName))
{
GenerateAspxCode(element, scope);
break;
}
}
}
}
m_CodeBody += "<%\r\n}";
//for (int j = 0; j < args.Length; j++)
//{
// UndeclaringScopeVariable(args[j]);
//}
}
#endregion
m_CodeBody += ");%>";
}
else
{
//未能找到合适的注册标签，直接输出
//if (tag.Index != tag.Length)
// m_CodeBody += tag.SourceTemplate.Substring(tag.Index, tag.Length);
//string name = tag.Items[TemplateElement.KEY_NAME] as string;
//if (StringUtil.EqualsIgnoreCase(name, "ajaxpanel"))
//{
//}
}
}