/////////////////////////////////////////////////////////////////////////////
public string GetQuotedText( IParseReader input, bool keepQuotes, bool processEscapes )
{
bool checkEscapesAndSpecialChars = input.CheckEscapesAndSpecialChars;
input.CheckEscapesAndSpecialChars = processEscapes;
string result = GetQuotedText( input, keepQuotes );
input.CheckEscapesAndSpecialChars = checkEscapesAndSpecialChars;
return result;
}
/////////////////////////////////////////////////////////////////////////////
public static int _SkipWhiteSpace( IParseReader input )
{
// ******
int count = 0;
while( char.IsWhiteSpace(input.Peek()) ) {
input.Skip( 1 );
++count;
}
// ******
return count;
}
/////////////////////////////////////////////////////////////////////////////
public string GetQuotedText( IParseReader input, bool keepQuotes )
{
// ******
StringBuilder sb = new StringBuilder();
if( keepQuotes ) {
sb.Append( SeqOpenQuote.Sequence );
}
// ******
while( true ) {
char ch = input.Peek();
if( SeqOpenQuote.FirstChar == ch && SeqOpenQuote.Starts(input) ) {
SeqOpenQuote.Skip( input );
// ******
sb.Append( GetQuotedText(input, true) );
}
else if( SeqCloseQuote.FirstChar == ch && SeqCloseQuote.Starts(input) ) {
SeqCloseQuote.Skip( input );
// ******
if( keepQuotes ) {
sb.Append( SeqCloseQuote.Sequence );
}
return sb.ToString();
}
else if( SC.NO_CHAR == ch ) {
// TODO: need file/line/col number for use with MPError
ThreadContext.MacroError( "end of data: unbalanced quotes" );
}
else {
input.Skip( 1 );
sb.Append( ch );
}
}
}
/////////////////////////////////////////////////////////////////////////////
public bool Starts( IParseReader input )
{
return input.StartsWith( Sequence );
}
/////////////////////////////////////////////////////////////////////////////
public void Skip( IParseReader input )
{
// ******
if( FirstChar == input.Peek() && input.StartsWith(Sequence) ) {
input.Skip( Sequence.Length );
}
else {
throw new Exception( string.Format("input buffer does not begin with \"{1}\"", Sequence) );
}
}
/////////////////////////////////////////////////////////////////////////////
public bool Matches( IParseReader input, int startIndex )
{
return input.Matches( startIndex, Sequence );
}
/////////////////////////////////////////////////////////////////////////////
public static string _PeekToken( IParseReader input, int startIndex )
{
// ******
StringBuilder sb = new StringBuilder();
// ******
for( int i = startIndex; ; i++ ) {
char ch = input.Peek( i );
if( char.IsLetterOrDigit(ch) || '_' == ch ) {
sb.Append( ch );
}
else {
break;
}
}
// ******
return sb.ToString();
}
/////////////////////////////////////////////////////////////////////////////
public static string _GetToken( IParseReader input )
{
// ******
StringBuilder sb = new StringBuilder();
// ******
while( true ) {
char ch = input.Peek();
if( char.IsLetterOrDigit(ch) || '_' == ch ) {
sb.Append( input.Next() );
}
else {
return sb.ToString();
}
}
}
