/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* This file is part of the libepubgen project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#include "EPUBSplitGuard.h"
namespace libepubgen
{
static const unsigned DEFAULT_SPLIT_HEADING_LEVEL = 1;
static const unsigned DEFAULT_SPLIT_SIZE = 1 << 16;
EPUBSplitGuard::EPUBSplitGuard(const EPUBSplitMethod method)
: m_method(method)
, m_headingLevel(DEFAULT_SPLIT_HEADING_LEVEL)
, m_currentHeadingLevel(0)
, m_size(DEFAULT_SPLIT_SIZE)
, m_currentSize(0)
, m_nestingLevel(0)
{
}
void EPUBSplitGuard::setSplitHeadingLevel(const unsigned level)
{
m_headingLevel = level;
}
void EPUBSplitGuard::setCurrentHeadingLevel(const unsigned level)
{
m_currentHeadingLevel = level;
}
void EPUBSplitGuard::setSplitSize(const unsigned size)
{
m_size = size;
}
void EPUBSplitGuard::setSplitMethod(EPUBSplitMethod method)
{
m_method = method;
}
void EPUBSplitGuard::openLevel()
{
++m_nestingLevel;
}
void EPUBSplitGuard::closeLevel()
{
--m_nestingLevel;
}
void EPUBSplitGuard::incrementSize(const unsigned size)
{
m_currentSize += size;
}
bool EPUBSplitGuard::splitOnPageBreak() const
{
return canSplit(EPUB_SPLIT_METHOD_PAGE_BREAK);
}
bool EPUBSplitGuard::splitOnHeading(const unsigned level) const
{
return canSplit(EPUB_SPLIT_METHOD_HEADING) && (m_headingLevel >= level);
}
bool EPUBSplitGuard::inHeading(bool any) const
{
if (!m_currentHeadingLevel)
return false;
if (any)
return true;
return m_headingLevel >= m_currentHeadingLevel;
}
bool EPUBSplitGuard::splitOnSize() const
{
return canSplit(EPUB_SPLIT_METHOD_SIZE) && (m_size <= m_currentSize);
}
void EPUBSplitGuard::onSplit()
{
m_currentSize = 0;
}
bool EPUBSplitGuard::canSplit(const EPUBSplitMethod method) const
{
return (method == m_method) && (0 == m_nestingLevel) && (0 != m_currentSize);
}
}
/* vim:set shiftwidth=2 softtabstop=2 expandtab: */