public bool ScanTokenAndProvideInfoAboutIt(TokenInfo tokenInfo, ref int state)
{
if (this.currentLine == null) return false;
this.currentState = (OsloCodeGeneratorScannerState)state;
if (this.currentOffset >= this.currentLine.Length)
{
if (this.currentState == OsloCodeGeneratorScannerState.InTemplateCommand)
{
this.currentState = OsloCodeGeneratorScannerState.InTemplateOutput;
}
if (this.currentState == OsloCodeGeneratorScannerState.None && this.enterTemplateOutputMode)
{
this.currentState = OsloCodeGeneratorScannerState.InTemplateOutput;
this.enterTemplateOutputMode = false;
}
state = (int)this.currentState;
return false;
}
this.currentState = (OsloCodeGeneratorScannerState)state;
if (this.currentOffset == 0)
{
if (this.currentState == OsloCodeGeneratorScannerState.InTemplateCommand)
{
this.currentState = OsloCodeGeneratorScannerState.InTemplateOutput;
}
}
int oldOffset = this.currentOffset;
if (tokenInfo != null)
{
tokenInfo.StartIndex = this.currentOffset;
}
if (this.currentState == OsloCodeGeneratorScannerState.None ||
this.currentState == OsloCodeGeneratorScannerState.InComment)
{
if (this.ProcessComment(tokenInfo))
{
state = (int)this.currentState;
return true;
}
}
if (this.currentState == OsloCodeGeneratorScannerState.None)
{
if (this.ProcessLineComment(tokenInfo))
{
state = (int)this.currentState;
return true;
}
}
if (this.currentState == OsloCodeGeneratorScannerState.None ||
this.currentState == OsloCodeGeneratorScannerState.InTemplateCommand)
{
if (this.ProcessKeyword(tokenInfo))
{
state = (int)this.currentState;
return true;
}
if (this.ProcessStringLiteral(tokenInfo))
{
state = (int)this.currentState;
return true;
}
if (this.ProcessIdentifier(tokenInfo))
{
state = (int)this.currentState;
return true;
}
if (this.ProcessNumber(tokenInfo))
{
state = (int)this.currentState;
return true;
}
if (this.ProcessDelimiter(tokenInfo))
{
state = (int)this.currentState;
return true;
}
}
if (this.ProcessWhitespace(tokenInfo))
{
state = (int)this.currentState;
return true;
}
if (this.currentState == OsloCodeGeneratorScannerState.InTemplateOutput)
{
if (this.ProcessTemplateOutput(tokenInfo))
{
state = (int)this.currentState;
return true;
}
}
if (this.currentOffset == oldOffset)
{
System.Windows.Forms.MessageBox.Show("Error!");
}
return false;
}
public OsloCodeGeneratorScanner()
{
this.currentState = OsloCodeGeneratorScannerState.None;
}
private bool ProcessDelimiter(TokenInfo tokenInfo)
{
int length = 0;
string text = this.currentLine.Substring(this.currentOffset);
if (text.Length > 0)
{
if (text[0] == '[')
{
++this.bracketCount;
}
if (text[0] == ']')
{
--this.bracketCount;
if (this.bracketCount < 0 && this.currentState == OsloCodeGeneratorScannerState.InTemplateCommand)
{
this.currentState = OsloCodeGeneratorScannerState.InTemplateOutput;
}
}
length = 1;
}
if (length > 0)
{
this.currentOffset += length;
if (tokenInfo != null)
{
tokenInfo.EndIndex = this.currentOffset - 1;
if (this.currentState == OsloCodeGeneratorScannerState.None ||
this.currentState == OsloCodeGeneratorScannerState.InTemplateCommand)
{
tokenInfo.Color = (TokenColor)OsloTokenColor.Text;
tokenInfo.Type = TokenType.Delimiter;
}
else
{
tokenInfo.Color = (TokenColor)OsloTokenColor.TemplateText;
tokenInfo.Type = TokenType.Text;
}
}
return true;
}
return false;
}
private bool ProcessTemplateOutput(TokenInfo tokenInfo)
{
if (this.currentLine == "end template")
{
this.currentState = OsloCodeGeneratorScannerState.None;
this.currentOffset += this.currentLine.Length;
if (tokenInfo != null)
{
tokenInfo.EndIndex = this.currentOffset - 1;
tokenInfo.Color = (TokenColor)OsloTokenColor.Keyword;
tokenInfo.Type = TokenType.Keyword;
}
return true;
}
int length = 0;
string text = this.currentLine.Substring(this.currentOffset);
if (text.Length > 0)
{
int pos = text.IndexOf('[');
if (pos >= 0)
{
length = pos + 1;
this.currentState = OsloCodeGeneratorScannerState.InTemplateCommand;
this.bracketCount = 0;
}
else
{
length = text.Length;
}
}
if (length > 0)
{
this.currentOffset += length;
if (tokenInfo != null)
{
tokenInfo.EndIndex = this.currentOffset - 1;
tokenInfo.Color = (TokenColor)OsloTokenColor.TemplateText;
tokenInfo.Type = TokenType.Text;
}
return true;
}
return false;
}
private bool ProcessComment(TokenInfo tokenInfo)
{
int length = 0;
string text = this.currentLine.Substring(this.currentOffset);
if (this.currentState == OsloCodeGeneratorScannerState.InComment)
{
int pos = text.IndexOf("*/");
if (pos >= 0)
{
length = pos + 2;
this.currentState = OsloCodeGeneratorScannerState.None;
}
else
{
length = text.Length;
this.currentState = OsloCodeGeneratorScannerState.InComment;
}
}
else
{
if (text.StartsWith("/*"))
{
int pos = text.Substring(2).IndexOf("*/");
if (pos >= 0)
{
length = pos + 4;
}
else
{
length = text.Length;
this.currentState = OsloCodeGeneratorScannerState.InComment;
}
}
}
if (length > 0)
{
this.currentOffset += length;
if (tokenInfo != null)
{
tokenInfo.EndIndex = this.currentOffset - 1;
tokenInfo.Color = (TokenColor)OsloTokenColor.Comment;
tokenInfo.Type = TokenType.Comment;
}
return true;
}
return false;
}