#include "antlr/config.hpp"
#include "antlr/InputBuffer.hpp"
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
namespace antlr {
#endif
void InputBuffer::fill(unsigned int amount)
{
syncConsume();
while (queue.entries() < amount + markerOffset)
{
queue.append(getChar());
}
}
ANTLR_USE_NAMESPACE(std)string InputBuffer::getLAChars( void ) const
{
ANTLR_USE_NAMESPACE(std)string ret;
for(unsigned int i = markerOffset; i < queue.entries(); i++)
ret += queue.elementAt(i);
return ret;
}
ANTLR_USE_NAMESPACE(std)string InputBuffer::getMarkedChars( void ) const
{
ANTLR_USE_NAMESPACE(std)string ret;
for(unsigned int i = 0; i < markerOffset; i++)
ret += queue.elementAt(i);
return ret;
}
unsigned int InputBuffer::mark()
{
syncConsume();
nMarkers++;
return markerOffset;
}
void InputBuffer::rewind(unsigned int mark)
{
syncConsume();
markerOffset = mark;
nMarkers--;
}
unsigned int InputBuffer::entries() const
{
return (unsigned int)queue.entries() - markerOffset;
}
#ifdef ANTLR_CXX_SUPPORTS_NAMESPACE
}
#endif