/////////////////////////////////////////////////////////////////////////////
public void Skip( StringIndexer 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) );
}
}
/////////////////////////////////////////////////////////////////////////////
private static string GetText( StringIndexer reader )
{
// ******
var sb = new StringBuilder();
// ******
while( true ) {
char ch = reader.NextChar();
if( SC.CR == ch || SC.NEWLINE == ch || SC.NO_CHAR == ch ) {
if( SC.CR == ch && SC.NEWLINE == reader.Peek() ) {
//
// skip the newline if preceeded by cr
//
reader.Skip( 1 );
}
break;
}
sb.Append( ch );
}
// ******
return sb.ToString();
}
/////////////////////////////////////////////////////////////////////////////
private static void ReadToEOL( StringIndexer reader )
{
while( true ) {
char ch = reader.NextChar();
if( SC.CR == ch || SC.NEWLINE == ch || SC.NO_CHAR == ch ) {
if( SC.CR == ch && SC.NEWLINE == reader.Peek() ) {
//
// skip the newline if preceeded by cr
//
reader.Skip( 1 );
}
return;
}
}
}
/////////////////////////////////////////////////////////////////////////////
public string GetQuotedText( StringIndexer 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 );
}
}
}