/**<summary>Writes the Xap group to the stream.</summary>*/
private void WriteGroup(XapGroup currentGroup, StreamWriter writer, int depth = 0)
{
foreach (XapVariable variable in currentGroup.Variables)
{
writer.WriteLine(GetTab(depth) + variable.Name + " = " + variable.Value + ";");
}
if (currentGroup.Variables.Count > 0 && currentGroup.Groups.Count > 0)
{
writer.WriteLine();
}
bool first = true;
foreach (XapGroup group in currentGroup.Groups)
{
if (!first)
{
writer.WriteLine();
}
else
{
first = false;
}
writer.WriteLine(GetTab(depth) + group.Name);
writer.WriteLine(GetTab(depth) + "{");
WriteGroup(group, writer, depth + 1);
writer.WriteLine(GetTab(depth) + "}");
}
}
/**<summary>Adds a group.</summary>*/
public void AddGroup(XapGroup group)
{
Groups.Add(group);
}
//========= CONSTRUCTORS =========
#region Constructors
/**<summary>Constructs the xap file.</summary>*/
public XapFile()
{
Root = new XapGroup("");
UseSpaces = false;
}
/**<summary>Parses a group.</summary>*/
private XapGroup ParseGroup(string[] tokens, ref int index, string name)
{
XapGroup group = new XapGroup(name);
string currentText = null;
string variableName = null;
for (; index < tokens.Length; index++)
{
if (IsFormatCharacter(tokens[index].First()))
{
switch (tokens[index].First())
{
case '=':
if (variableName != null)
{
throw new ArgumentException("Invalid token '='. Variable name already declared.");
}
if (currentText != null)
{
variableName = currentText;
}
else
{
throw new ArgumentException("Invalid token '='. No variable name.");
}
break;
case ';':
if (variableName != null)
{
if (currentText != null)
{
group.AddVariable(variableName, currentText);
variableName = null;
}
else
{
throw new ArgumentException("Invalid token ';'. No variable value.");
}
}
else
{
throw new ArgumentException("Invalid token ';'. No variable name or value.");
}
break;
case '{':
if (variableName != null)
{
throw new ArgumentException(
"Invalid token '{'. " + (currentText == null ?
"Expected variable value." :
"Expected ';'.")
);
}
else
{
if (currentText != null)
{
index++;
group.AddGroup(ParseGroup(tokens, ref index, currentText));
}
else
{
throw new ArgumentException("Invalid token '{'. No group name.");
}
}
break;
case '}':
if (variableName != null)
{
throw new ArgumentException(
"Unexpected end of group. " + (currentText == null ?
"Expected variable value." :
"Expected ';'.")
);
}
else if (currentText != null)
{
throw new ArgumentException("Unexpected end of group. Leftover text.");
}
else if (name == "")
{
throw new ArgumentException("Invalid token '}'. Not in group.");
}
else
{
return(group);
}
}
currentText = null;
}
else
{
currentText = tokens[index];
}
}
if (variableName != null)
{
throw new ArgumentException(
"Unexpected end of file. " + (currentText == null ?
"Expected variable value." :
"Expected ';'.")
);
}
else if (currentText != null)
{
throw new ArgumentException("Unexpected end of file. Leftover text.");
}
else if (name != "")
{
throw new ArgumentException("Unexpected end of file. Expected '}'.");
}
return(group);
}
