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/******************************************************************************
*
* Copyright (C) 1997-2020 by Dimitri van Heesch.
*
* Permission to use, copy, modify, and distribute this software and its
* documentation under the terms of the GNU General Public License is hereby
* granted. No representations are made about the suitability of this software
* for any purpose. It is provided "as is" without express or implied warranty.
* See the GNU General Public License for more details.
*
* Documents produced by Doxygen are derivative works derived from the
* input used in their production; they are not affected by this license.
*/
#include <unordered_map>
#include <stack>
#include "parserintf.h"
#include "docvisitor.h"
#include "util.h"
#include "types.h"
#include "doxygen.h"
struct DocVisitor::Private
{
int id;
std::unordered_map< std::string, std::unique_ptr<CodeParserInterface> > parserFactoryMap;
std::stack<bool> hidden;
};
DocVisitor::DocVisitor(int id) : m_p(std::make_unique<Private>())
{
m_p->id = id;
}
DocVisitor::~DocVisitor()
{
}
CodeParserInterface &DocVisitor::getCodeParser(const char *extension)
{
std::string ext(extension?extension:"");
// for each extension we create a code parser once per visitor, so that
// the context of the same parser object is reused throughout multiple passes for instance
// for code fragments shown via dontinclude.
auto it = m_p->parserFactoryMap.find(ext);
if (it==m_p->parserFactoryMap.end())
{
auto factory = Doxygen::parserManager->getCodeParserFactory(extension);
auto result = m_p->parserFactoryMap.insert(std::make_pair(ext,factory()));
it = result.first;
}
return *it->second.get();
}
int DocVisitor::id() const
{
return m_p->id;
}
void DocVisitor::pushHidden(bool hide)
{
m_p->hidden.push(hide);
}
bool DocVisitor::popHidden()
{
if (m_p->hidden.empty()) return false;
bool v = m_p->hidden.top();
m_p->hidden.pop();
return v;
}
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