/// <summary>
/// Passes an edge into the edge object
/// </summary>
/// <param name="T">Tokeniser to use</param>
/// <returns></returns>
public bool parseElement(Tokeniser T)
{
assertToken(T, Tokeniser.TokenType.T_Edge, "Edge expected");
labelExpected(T, "name");
T.getNextToken();
name = T.getToken_string();
labelExpected(T, "fromNodeName");
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_String, "String expected");
fromNodeName = T.getToken_string();
labelExpected(T, "toNodeName");
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_String, "String expected");
toNodeName = T.getToken_string();
T.getNextToken();
if (T.getToken_string().Equals("hFromPortNumber"))
{
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_Number, "Number expected");
hFromPortNumber = T.getLongValue();
T.getNextToken();
}
return(true);
}
/// <summary>Expect a label in the input stream</summary>
/// <param name="T"></param>
/// <param name="labelName"></param>
public void labelExpected(Tokeniser T, String labelName)
{
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_Label, "A label starting with '// " +
labelName + "' expected. Found '" + T.getToken_string() + "'.");
System.Diagnostics.Debug.Assert(T.getToken_string().Equals(labelName),
"// " + labelName + " expected. Found '" + T.getToken_string() + "'.");
}
/// <summary>
/// Expect a particular token in the input stream
/// </summary>
/// <param name="T"></param>
/// <param name="token"></param>
/// <param name="msg"></param>
public void assertToken(Tokeniser T, Tokeniser.TokenType token, String msg)
{
if (T.getTokenType() == token)
{
return;
}
System.Diagnostics.Debug.Assert(false, T.getTokenType() + " token found," + token + " expected : " + msg);
}
private bool readRE3(string fileName)
{
try
{
Tokeniser T = new Tokeniser(fileName);
T.getNextToken();
while (T.getTokenType() != Tokeniser.TokenType.T_Eof)
{
if (T.getTokenType() == Tokeniser.TokenType.T_Node)
{
nodesLoaded++;
Node N = new Node();
elementList.Add(N);
N.parseElement(T);
}
// if (T.getTokenType() == Tokeniser.TokenType.T_Edges)
// ;
if (T.getTokenType() == Tokeniser.TokenType.T_Edge)
{
edgeCount++;
Edge E = new Edge();
elementList.Add(E);
E.parseElement(T);
}
if (T.getTokenType() != Tokeniser.TokenType.T_Edge & T.getTokenType() != Tokeniser.TokenType.T_Node)
{
T.getNextToken();
}
}
this.fileName = fileName;
}
catch (Exception e)
{
System.Windows.Forms.MessageBox.Show(
String.Format("Error during re3 file read. {0}", e.Message));
return(false);
}
if (nodesLoaded == 0)
{
System.Windows.Forms.MessageBox.Show(
String.Format("No nodes found in {0}. Sure it is a Reason!able file?", fileName));
return(false);
}
return(true);
}
internal bool parseElement(Tokeniser T)
{
assertToken(T, Tokeniser.TokenType.T_Node, "Node expected");
labelExpected(T, "name");
T.getNextToken();
name = T.getToken_string();
labelExpected(T, "x");
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_Number, "Number expected");
x = T.getLongValue();
labelExpected(T, "y");
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_Number, "Number expected");
y = T.getLongValue();
labelExpected(T, "width");
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_Number, "Number expected");
width = T.getLongValue();
labelExpected(T, "height");
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_Number, "Number expected");
height = T.getLongValue();
// optional fields
T.getNextToken();
if (T.getToken_string().Equals("numberOfInPorts"))
{
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_Number, "Number expected");
T.getLongValue(); // read outPorts
T.getNextToken();
}
if (T.getToken_string().Equals("numberOfOutPorts"))
{
T.getNextToken();
assertToken(T, Tokeniser.TokenType.T_Number, "Number expected");
T.getLongValue(); // read outPorts
T.getNextToken();
}
if (T.getToken_string().Equals("Editor Node"))
{
// longNode=true;
T.getNextToken(); // Ignore version
T.getNextToken(); // Get node text
editorText = T.getToken_string();
T.getNextToken(); // Some object data e.g Reason.MapperViewFactory3#CNodeViewReason2 9
T.getNextToken(); // some hex number e.g. 0x0
T.getNextToken(); // some hex number e.g. 0xcaffca
T.getNextToken(); // some integer number e.g. 1
T.getNextToken(); // some hex number and space delimited information
T.getNextToken(); // Version 1.1 Info
if (T.getToken_string().Equals("Version 1.1 Info"))
{
T.getNextToken(); // Get comment if there
CommentText = T.getToken_string();
T.getNextToken();
}
}
return(true);
}
