//static public string TIKZEDT_CMD_COMMENT = "";
public static Tikz_ParseTree ParseInputFile(string code)
{
//if code is empty to bother ANTLR (it will raise an exception)
if (code.Trim() == "")
return null;
simpletikzLexer lex = new simpletikzLexer(new ANTLRStringStream(code));
CommonTokenStream tokens = new CommonTokenStream(lex);
simpletikzParser parser = new simpletikzParser(tokens);
simpletikzParser.tikzdocument_wo_tikzpicture_return ret = parser.tikzdocument_wo_tikzpicture();
CommonTree t = (CommonTree)ret.Tree;
Tikz_ParseTree root = new Tikz_ParseTree();
bool success = FillItem(root, t, tokens);
if (success)
{
root.RegisterNodeAndStyleRefs(); // make a list with all node names for later reference
return root;
}
else
return null;
}
protected bool EnsureParseTreeExists()
{
// Try to create a new ParseTree
if (overlay.ParseTree == null)
{
// TODO
return false;
//TryCreateNew(this, out lret);
if (overlay.AllowEditing)
{
// create a new parsetree
Tikz_ParseTree t = new Tikz_ParseTree();
Tikz_Picture tp = new Tikz_Picture();
tp.starttag = "\\begin{tikzpicture}";
tp.AddChild(new Tikz_Something("\r\n"));
tp.endtag = "\\end{tikzpicture}";
overlay.BeginUpdate();
// overlay.ParseTree = t;
t.AddChild(tp);
tp.UpdateText();
overlay.EndUpdate();
return true;
}
else
{
GlobalUI.UI.ShowMessageBox("Parse tree could not be created. Please correct all parser errors in the code and try again.", "Function not available", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return false;
}
}
else return true;
}
public static Tikz_ParseTree Parse(string code)
{
code = PrepareCodeForParsing(code);
//if code is empty to bother ANTLR (it will raise an exception)
if (code.Trim() == "")
return null;
simpletikzLexer lex = new simpletikzLexer(new ANTLRStringStream(code));
CommonTokenStream tokens = new CommonTokenStream(lex);
//for (int i = 0; i < tokens.Count; i++)
//{
// string ds = tokens.Get(i).Text;
// ds = ds + "eee";
//}
simpletikzParser parser = new simpletikzParser(tokens);
//tikzgrammarParser.expr_return r =
simpletikzParser.tikzdocument_return ret = parser.tikzdocument();
//CommonTreeAdaptor adaptor = new CommonTreeAdaptor();
CommonTree t = (CommonTree)ret.Tree;
//MessageBox.Show(printTree(t,0));
/*
public string printTree(CommonTree t, int indent)
{
string s="";
if ( t != null ) {
for ( int i = 0; i < indent; i++ )
s = s+" ";
string r = "";// s + t.ToString() + "\r\n";
if (t.ChildCount >0)
foreach ( object o in t.Children ) {
r=r+s+o.ToString()+"\r\n" + printTree((CommonTree)o, indent+1);
}
return r;
} else return "";
}
}*/
Tikz_ParseTree root = new Tikz_ParseTree();
bool success = FillItem(root, t, tokens);
// mockup
//t.Children.Add(new Tikz_Node(0, 0));
//t.Children.Add(new Tikz_Node(5, 5));
//t.Children.Add(new Tikz_Node(6, 8));
//t.Children.Add(new Tikz_Node(8, 8));
if (success)
{
root.RegisterNodeAndStyleRefs(); // make a list with all node names for later reference
return root;
}
else
return null;
}
/// <summary>
/// Tries to find a BOUNDINGBOX command in the parsetree specified.
/// </summary>
/// <param name="t">The parsetree in which to search for BOUNDINGBOX commands.</param>
/// <param name="BB">Contains the BB found after return.</param>
/// <returns>Returns true if a valid BOUNDINGBOX command is found, false otherwise.</returns>
bool ParseForBBCommand(Tikz_ParseTree t, out Rect BB)
{
// run through all commands in parsetree (only top level)
BB = new Rect(Properties.Settings.Default.BB_Std_X, Properties.Settings.Default.BB_Std_Y, Properties.Settings.Default.BB_Std_W, Properties.Settings.Default.BB_Std_H);
RegexOptions ro = new RegexOptions();
ro = ro | RegexOptions.IgnoreCase;
ro = ro | RegexOptions.Multiline;
//string BB_RegexString = @".*BOUNDINGBOX[ \t\s]*=[ \t\s]*(?<left>[+-]?[0-9]+[.[0-9]+]?)+[ \t\s]+(?<bottom>[0-9])+[ \t\s]+(?<right>[0-9])+[ \t\s]+(?<top>[0-9])+[ \t\s]+.*";
//string BB_RegexString = @".*BOUNDINGBOX[ \t\s]*=[ \t\s]*((?<left>[+-]?[0-9]+(\.[0-9]+)?)[ \t\s]*){4}.*";
string BB_RegexString = @".*BOUNDINGBOX[ \t\s]*=[ \t\s]*(?<left>[+-]?[0-9]+(\.[0-9]+)?)+[ \t\s]+(?<bottom>[+-]?[0-9]+(\.[0-9]+)?)+[ \t\s]+(?<width>[+-]?[0-9]+(\.[0-9]+)?)+[ \t\s]+(?<height>[+-]?[0-9]+(\.[0-9]+)?)+[ \t\s]+.*";
Regex BB_Regex = new Regex(BB_RegexString, ro);
foreach (TikzParseItem tpi in t.Children)
{
if (tpi is Tikz_EdtCommand)
{
Match m = BB_Regex.Match(tpi.text);
if (m.Success == true)
{
try
{
double x = Convert.ToDouble(m.Groups[5].Value);
double y = Convert.ToDouble(m.Groups[6].Value);
double width = Convert.ToDouble(m.Groups[7].Value);
double height = Convert.ToDouble(m.Groups[8].Value);
Rect newBB = new Rect(x, y, width, height);
//chkAutoBB.IsChecked = true;
//chkAutoBB.IsEnabled = false;
//txtBB.ToolTip = "Managed by source code";
if (width > 0 && height > 0)
{
BB = newBB;
return true;
}
}
catch (Exception) { /*width or height negative. ignore. */}
}
}
}
// else
// {
// chkAutoBB.IsEnabled = true;
// txtBB.ToolTip = "";
// DetermineBB(t);
// }
// }
return false;
//try
//{
// Tikz_ParseTree t = TikzParser.Parse(txtCode.Text);
// if (t == null) return;
////SourceManager.Parse(txtCode.Text);
//Regex
//TikzParser.TIKZEDT_CMD_COMMENT
//UpdateStyleLists(t);
// Refresh overlay
//pdfOverlay1.SetParseTree(t, currentBB);
//}
//catch (Exception e)
//{
// AddStatusLine("Couldn't parse code. " + e.Message, true);
// pdfOverlay1.SetParseTree(null, currentBB);
//}
}
/// <summary>
/// Determines the current Bounding Box.
/// Priorities are as follows:
/// 1. If Auto unchecked, take manually specified BB
/// 2. Otherwise, if TikzEdt Command BOUNDINGBOX present in t, then takes this BB.
/// 3. Otherwise, determine BB automatically.
/// 4. If this is impossible, leave the BB unchanged.
/// </summary>
/// <param name="t">The Parsetree used to determine the BB.</param>
/// <returns>True if BB changed, false if same.</returns>
/* bool DetermineBB(Tikz_ParseTree t)
{
// not needed anymore
Rect newBB = new Rect(Properties.Settings.Default.BB_Std_X, Properties.Settings.Default.BB_Std_Y, Properties.Settings.Default.BB_Std_W, Properties.Settings.Default.BB_Std_H);
//Rect newBB2;
bool lret = false;
if (chkAutoBB.IsChecked == false)
{
// Parse
double d;
if (Double.TryParse(txtBBX.Text, out d))
if (d>-100 && d<100)
newBB.X=d;
if (Double.TryParse(txtBBY.Text, out d))
if (d>-100 && d<100)
newBB.Y=d;
if (Double.TryParse(txtBBW.Text, out d))
if (d>0 && d<100)
newBB.Width=d;
if (Double.TryParse(txtBBH.Text, out d))
if (d>0 && d<100)
newBB.Height=d;
lret = (currentBB != newBB);
currentBB = newBB;
}
else
{
if (t != null)
{
if (ParseForBBCommand(t, out newBB))
{
// BOUNDINGBOX command in code found
//txtBB.ToolTip = "";
//chkAutoBB.IsEnabled = false;
//txtBB.ToolTip = "BB determined in source code by BOUNDINGBOX command";
lret = (currentBB != newBB);
currentBB = newBB;
}
else if (t.GetBB(out newBB))
{
newBB.Inflate(Properties.Settings.Default.BB_Margin, Properties.Settings.Default.BB_Margin);
lret = (currentBB != newBB);
currentBB = newBB;
}
}
}
return lret;
}*/
/// <summary>
/// Fills the currently displayed lists of styles from the parsetree provided
/// </summary>
/// <param name="t">The parse tree to extract the styles from</param>
private void UpdateStyleLists(Tikz_ParseTree t)
{
if (t == null) return;
string oldsel = cmbNodeStyles.Text;
cmbNodeStyles.Items.Clear();
foreach (string s in t.styles.Keys)
{
cmbNodeStyles.Items.Add(s);
}
cmbNodeStyles.Text = oldsel;
oldsel = cmbEdgeStyles.Text;
cmbEdgeStyles.Items.Clear();
foreach (string s in t.styles.Keys)
{
cmbEdgeStyles.Items.Add(s);
}
cmbEdgeStyles.Text = oldsel;
}