bool RunImpl(ESampleId eSampleId, byte[] src, TextWriter Fout, out PegNode tree)
{
SampleInfo sample = sampleGrammars.Find(si => si.grammarId == eSampleId);
if (sample.startRule.Target is PegByteParser)
{
try
{
PegByteParser pg = (PegByteParser)sample.startRule.Target;
pg.Construct(src, Fout);
bool bMatches = sample.startRule();
tree = ((PegByteParser)sample.startRule.Target).GetRoot();
return bMatches;
}
catch (PegException)
{
tree = ((PegByteParser)sample.startRule.Target).GetRoot();
return false;
}
}
Debug.Assert(false); tree = null; return false;
}
bool RunImpl(ESampleId eSampleId, string src, TextWriter Fout, out PegNode tree)
{
SampleInfo sample = sampleGrammars.Find(si => si.grammarId == eSampleId);
if (sample.startRule.Target is PegCharParser)
{
try
{
PegCharParser pg = (PegCharParser)sample.startRule.Target;
pg.Construct(src, Fout);
pg.SetSource(src);
pg.SetErrorDestination(Fout);
bool bMatches = sample.startRule();
tree = ((PegCharParser)sample.startRule.Target).GetRoot();
return(bMatches);
}
catch (PegException)
{
tree = ((PegCharParser)sample.startRule.Target).GetRoot();
return(false);
}
}
Debug.Assert(false); tree = null; return(false);
}
void LoadSourceFile(string path)
{
txtSource.Tag = null;
txtSource.ReadOnly = false;
tvParseTree.Nodes.Clear();
HidePostProcessButtons();
cmbPostProcess.DataSource = null;
SampleInfo selectedSample;
if (path.Length == 0)
{
selectedSample = new SampleInfo();
txtSource.Tag = new SourcefileInfo(path, EncodingClass.ascii, "");
}else
{
if (cboGrammar.SelectedIndex < 0)
{
MessageBox.Show("Grammar must be selected first");
return;
}
this.Text = "Parsing Expression Grammar Explorer (" + path.Substring(path.LastIndexOf('\\') + 1) + ")";
selectedSample = (SampleInfo)cboGrammar.Items[cboGrammar.SelectedIndex];
try
{
FileLoader loader = new FileLoader(selectedSample.GetEncodingClass(), selectedSample.GetUnicodeDetection(), path);
if (loader.IsBinaryFile())
{
byte[] bytes;
loader.LoadFile(out bytes);
txtSource.Tag = new SourcefileInfo(path, selectedSample.GetEncodingClass(), bytes);
string src = BuildHexView(bytes);
DisplaySrc(src, path, src.Length);
txtSource.ReadOnly = true;
}
else
{
string src;
loader.LoadFile(out src);
txtSource.Tag = new SourcefileInfo(path, selectedSample.GetEncodingClass(), src);
DisplaySrc(src, path, src.Length);
}
}
catch (Exception e)
{
MessageBox.Show(e.Message);
}
}
}