// Copyright (c) 1994 James Clark

// See the file COPYING for copying permission.

#ifdef __GNUG__

#pragma implementation

#endif

#include "splib.h"

#include "InputSource.h"

#include "MarkupScan.h"

#ifdef SP_NAMESPACE

namespace SP_NAMESPACE {

#endif

InputSource::InputSource(InputSourceOrigin *origin, const Char *start,

			 const Char *end)

: origin_(origin), start_(start), end_(end), cur_(start), accessError_(0),

  startLocation_(origin, 0), multicode_(0), scanSuppress_(0)

{

}

void InputSource::reset(const Char *start,

			const Char *end)

{

  origin_ = origin_->copy();

  start_ = start;

  end_ = end;

  cur_ = start_;

  startLocation_ = Location(origin_.pointer(), 0);

  multicode_ = 0;

  scanSuppress_ = 0;

  markupScanTable_.clear();

}

InputSource::~InputSource()

{

}

void InputSource::advanceStartMulticode(const Char *to)

{

  while (start_ < to) {

    switch (markupScanTable_[*start_]) {

    case MarkupScan::normal:

      break;

    case MarkupScan::in:

      scanSuppress_ = 0;

      break;

    case MarkupScan::out:

      if (!scanSuppress()) {

	scanSuppress_ = 1;

	scanSuppressSingle_ = 0;

      }

      break;

    case MarkupScan::suppress:

      // what's the effect of MSSCHAR followed by MSSCHAR

      if (!scanSuppress()) {

	scanSuppress_ = 1;

	scanSuppressSingle_ = 1;

	scanSuppressIndex_ = startLocation_.index() + 1;

      }

      break;

    }

    start_++;

    startLocation_ += 1;

  }

}

void InputSource::willNotRewind()

{

}

void InputSource::setDocCharset(const CharsetInfo &,

				const CharsetInfo &)

{

}

void InputSource::willNotSetDocCharset()

{

}

InternalInputSource *InputSource::asInternalInputSource()

{

  return 0;

}

#ifdef SP_NAMESPACE

}

#endif