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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/

#include <precomp.h>
#include "cx_c_sub.hxx"



// NOT FULLY DECLARED SERVICES
#include <ctype.h>
#include "c_dealer.hxx"
#include <tokens/parseinc.hxx>
#include <x_parse.hxx>
#include "all_toks.hxx"


namespace cpp {



void
Context_Comment::ReadCharChain( CharacterSource &	io_rText )
{
	// KORR_FUTURE
	//		Counting of lines must be implemented.
	if (bCurrentModeIsMultiline)
	{
		char cNext = NULCH;

		do {
			do {
                cNext = jumpTo( io_rText,'*',char(10) );
                if (cNext == NULCH)
    			    throw X_Parser( X_Parser::x_UnexpectedEOF, "", String::Null_(), 0 );
                else if ( cNext == char(10) )
				{
					jumpOverEol(io_rText);
                    Dealer().Deal_Eol();
				}
            }   while ( cNext != '*');
			cNext = jumpOver(io_rText,'*');
			if (cNext == NULCH)
    			throw X_Parser( X_Parser::x_UnexpectedEOF, "", String::Null_(), 0 );
		} while (cNext != '/');
		io_rText.MoveOn();
		io_rText.CutToken();
		SetNewToken(0);
	}
	else //
	{
        int o_rCount_BackslashedLineBreaks = 0;
	    jumpToEol(io_rText,o_rCount_BackslashedLineBreaks);
        for ( ; o_rCount_BackslashedLineBreaks > 0; --o_rCount_BackslashedLineBreaks )
            Dealer().Deal_Eol();

		if (io_rText.CurChar() != NULCH)
			jumpOverEol(io_rText);
		io_rText.CutToken();
        Dealer().Deal_Eol();
		SetNewToken(0);
	}  // endif
}


void
Context_ConstString::ReadCharChain( CharacterSource &	io_rText )
{
	char cNext = io_rText.MoveOn();

	while (cNext != '"')
	{ 	// Get one complete string constant:  "...."
		while (cNext != '"' AND cNext != '\\')
		{	// Get string till next '\\'
			cNext = io_rText.MoveOn();
		}
		if (cNext == '\\')
		{
			io_rText.MoveOn();
			cNext = io_rText.MoveOn();
		}
	}
	io_rText.MoveOn();
	SetNewToken(new Tok_Constant(io_rText.CutToken()));
}

void
Context_ConstChar::ReadCharChain( CharacterSource &	io_rText )
{
	char cNext = io_rText.MoveOn();

	while (cNext != '\'')
	{ 	// Get one complete char constant:  "...."
		while (cNext != '\'' AND cNext != '\\')
		{	// Get string till next '\\'
			cNext = io_rText.MoveOn();
		}
		if (cNext == '\\')
		{
			io_rText.MoveOn();
			cNext = io_rText.MoveOn();
		}
	}
	io_rText.MoveOn();
	SetNewToken(new Tok_Constant(io_rText.CutToken()));
}

void
Context_ConstNumeric::ReadCharChain(CharacterSource & io_rText)
{
	char cNext = 0;

	do {
		do {
			cNext = static_cast<char>( tolower(io_rText.MoveOn()) );
		} while ( (cNext != 'e' AND isalnum(cNext)) OR cNext == '.');
		if (cNext == 'e')
		{
			cNext = io_rText.MoveOn();
			if (cNext == '+' OR cNext == '-')
				cNext = io_rText.MoveOn();
		}	// endif
	} while (isalnum(cNext) OR cNext == '.');     // Reicht aus, wenn Zahlen korrekt geschrieben sind
	SetNewToken(new Tok_Constant(io_rText.CutToken()));
}

void
Context_UnblockMacro::ReadCharChain(CharacterSource & io_rText)
{
	jumpToWhite(io_rText);
	SetNewToken(new Tok_UnblockMacro( io_rText.CutToken() + strlen("#unblock-") ));
}

}   // namespace cpp