/// <summary>
/// Parse node contents add return a fresh node.
/// </summary>
/// <param name="parent">Node that this is a subnode to. Can be null</param>
/// <param name="prototypes">A list with node types</param>
/// <param name="line">Line to parse</param>
/// <param name="offset">Where to start the parsing. Will be set to where the next node should start parsing</param>
/// <returns>A node corresponding to the bla bla; null if parsing failed.</returns>
/// <exception cref="CodeGeneratorException"></exception>
public override Node Parse(NodeList prototypes, Node parent, LineInfo line, ref int offset)
{
if (offset > line.Data.Length - 1)
throw new CodeGeneratorException(line.LineNumber, line.Data, "Tried to parse after end of line");
if (line.Data[offset] != '%')
throw new CodeGeneratorException(line.LineNumber, line.Data, "Not a tag node");
int pos = -1;
for (int i = offset + 1; i < line.Data.Length; ++i)
{
if (!char.IsLetterOrDigit(line.Data[i]))
{
pos = i;
break;
}
}
if (pos == -1)
pos = line.Data.Length;
TagNode node = (TagNode) prototypes.CreateNode("%", parent);
node.Name = line.Data.Substring(offset + 1, pos - offset - 1);
if (node._name == "br" || node._name == "input" || node._name == "style" || node._name == "img")
{
line.SelfClosed = true;
node.LineInfo = line;
node.LineInfo.SelfClosed = true;
}
offset = pos;
return node;
}
/// <summary>
/// Creates a DIV node and add's the specified node to it.
/// </summary>
/// <param name="prototypes">Contains all prototypes for each control char. used to instanciate new nodes.</param>
/// <param name="parent">parent node</param>
/// <param name="line">current line information</param>
/// <param name="me">node to add to the DIV node</param>
/// <returns>current node</returns>
public Node AddMe(NodeList prototypes, Node parent, LineInfo line, Node me)
{
if (parent == null)
{
TagNode tag = (TagNode)prototypes.CreateNode("%", parent);
tag.Name = "div";
tag.LineInfo = line;
tag.AddModifier(me);
return tag;
}
return me;
}
/// <summary>
/// Parse node contents add return a fresh node.
/// </summary>
/// <param name="prototypes">List containing all node types</param>
/// <param name="parent">Node that this is a subnode to. Can be null</param>
/// <param name="line">Line to parse</param>
/// <param name="offset">Where to start the parsing. Should be set to where the next node should start parsing.</param>
/// <returns>A node corresponding to the bla bla; null if parsing failed.</returns>
/// <exception cref="CodeGeneratorException"></exception>
public override Node Parse(NodeList prototypes, Node parent, LineInfo line, ref int offset)
{
if (offset > line.Data.Length)
throw new CodeGeneratorException(line.LineNumber, line.Data, "Too little data");
int pos = line.Data.Length;
++offset;
string code = line.Data.Substring(offset, pos - offset);
offset = pos;
SilentCodeNode node = (SilentCodeNode) prototypes.CreateNode("-", parent);
node._code = code;
if (parent != null)
node.LineInfo = line;
return node;
}
/// <summary>
/// Parse node contents add return a fresh node.
/// </summary>
/// <param name="prototypes">List containing all node types</param>
/// <param name="parent">Node that this is a subnode to. Can be null</param>
/// <param name="line">Line to parse</param>
/// <param name="offset">Where to start the parsing. Should be set to where the next node should start parsing.</param>
/// <returns>A node corresponding to the bla bla; null if parsing failed.</returns>
/// <exception cref="CodeGeneratorException"></exception>
public override Node Parse(NodeList prototypes, Node parent, LineInfo line, ref int offset)
{
if (line.Data[offset] != '#')
throw new CodeGeneratorException(line.LineNumber, line.Data, "Node is not an id node.");
int endPos = GetEndPos(offset, line.Data);
if (endPos == -1)
endPos = line.Data.Length;
++offset;
string id = line.Data.Substring(offset, endPos - offset);
offset = endPos;
IdNode node = (IdNode)prototypes.CreateNode("#", parent);
node._id = id;
return AddMe(prototypes, parent, line, node);
}
/// <summary>
/// Parse node contents add return a fresh node.
/// </summary>
/// <param name="prototypes">List containing all node types</param>
/// <param name="parent">Node that this is a subnode to. Can be null</param>
/// <param name="line">Line to parse</param>
/// <param name="offset">Where to start the parsing. Should be set to where the next node should start parsing.</param>
/// <returns>A node corresponding to the bla bla; null if parsing failed.</returns>
/// <exception cref="CodeGeneratorException"></exception>
public override Node Parse(NodeList prototypes, Node parent, LineInfo line, ref int offset)
{
if (offset > line.Data.Length - 1)
throw new CodeGeneratorException(line.LineNumber, line.Data, "Too little data");
int pos = GetEndPos(offset, line.Data);
if (pos == -1)
pos = line.Data.Length;
++offset;
string name = line.Data.Substring(offset, pos - offset);
offset = pos;
ClassNode node = (ClassNode) prototypes.CreateNode(".", parent);
node._name = name;
return AddMe(prototypes, parent, line, node);
}
/// <summary>
/// Parse node contents add return a fresh node.
/// </summary>
/// <param name="prototypes">List containing all node types</param>
/// <param name="parent">Node that this is a subnode to. Can be null</param>
/// <param name="line">Line to parse</param>
/// <param name="offset">Where to start the parsing. Should be set to where the next node should start parsing.</param>
/// <returns>A node corresponding to the bla bla; null if parsing failed.</returns>
/// <exception cref="CodeGeneratorException"></exception>
public override Node Parse(NodeList prototypes, Node parent, LineInfo line, ref int offset)
{
if (offset >= line.Data.Length)
throw new CodeGeneratorException(line.LineNumber, line.Data, "Too little data");
int pos = line.Data.Length;
++offset;
string name = line.Data.Substring(offset, pos - offset);
offset = pos;
string trimmedData = line.Data.Trim();
if (trimmedData.Length > 0 && trimmedData[trimmedData.Length-1] == ';')
throw new CodeGeneratorException(line.LineNumber, line.Data, "Displayed code should not end with semicolon.");
DisplayCodeNode node = (DisplayCodeNode)prototypes.CreateNode("=", parent);
node._code = name;
if (parent == null)
node.LineInfo = line;
return node;
}
/// <summary>
/// Parse node contents add return a fresh node.
/// </summary>
/// <param name="prototypes">List containing all node types</param>
/// <param name="parent">Node that this is a subnode to. Can be null</param>
/// <param name="line">Line to parse</param>
/// <param name="offset">Where to start the parsing. Should be set to where the next node should start parsing.</param>
/// <returns>A node corresponding to the bla bla; null if parsing failed.</returns>
/// <exception cref="CodeGeneratorException"></exception>
public override Node Parse(NodeList prototypes, Node parent, LineInfo line, ref int offset)
{
if (line.Data[offset] != '{')
throw new CodeGeneratorException(line.LineNumber, line.Data, "Attribute cant handle info at char " + offset + 1);
int endPos = GetEndPos(offset, line.Data, '}');
if (endPos == -1)
throw new CodeGeneratorException(line.LineNumber, line.Data, "Failed to find end of attribute list: '" + line.UnparsedData + "'.");
List<Attribute> col = new List<Attribute>();
string attributes = line.Data.Substring(offset + 1, endPos - offset - 1);
ParseAttributes(line, attributes, col);
offset = endPos + 1;
AttributeNode node = (AttributeNode)prototypes.CreateNode("{", parent);
node._attributes = col;
return AddMe(prototypes, parent, line, node);
}
