#include <src/codefragment.h>

Classes
struct	Private

Public Member Functions
void	parseCodeFragment (OutputCodeList &codeOutList, const QCString &fileName, const QCString &blockId, const QCString &scopeName, bool showLineNumbers, bool trimLeft, bool stripCodeComments)

Static Public Member Functions
static CodeFragmentManager &	instance ()

Private Member Functions
	CodeFragmentManager ()

	~CodeFragmentManager ()

Private Attributes
std::unique_ptr< Private >	p

Detailed Description

Definition at line 29 of file codefragment.h.

Constructor & Destructor Documentation

◆ CodeFragmentManager()

CodeFragmentManager::CodeFragmentManager ( )

private

Definition at line 181 of file codefragment.cpp.

                                         : p(std::make_unique<Private>())
{
}

Referenced by instance(), and ~CodeFragmentManager().

◆ ~CodeFragmentManager()

CodeFragmentManager::~CodeFragmentManager ( )

privatedefault

References CodeFragmentManager().

Member Function Documentation

◆ instance()

CodeFragmentManager & CodeFragmentManager::instance ( )

static

Definition at line 187 of file codefragment.cpp.

{
  static CodeFragmentManager m;
  return m;
}

References CodeFragmentManager().

Referenced by DocbookDocVisitor::operator()(), HtmlDocVisitor::operator()(), LatexDocVisitor::operator()(), ManDocVisitor::operator()(), RTFDocVisitor::operator()(), and XmlDocVisitor::operator()().

◆ parseCodeFragment()

void CodeFragmentManager::parseCodeFragment	(	OutputCodeList &	codeOutList,
		const QCString &	fileName,
		const QCString &	blockId,
		const QCString &	scopeName,
		bool	showLineNumbers,
		bool	trimLeft,
		bool	stripCodeComments )

Definition at line 236 of file codefragment.cpp.

{
  AUTO_TRACE("CodeFragmentManager::parseCodeFragment({},blockId={},scopeName={},showLineNumber={},trimLeft={},stripCodeComments={}",
      fileName, blockId, scopeName, showLineNumbers, trimLeft, stripCodeComments);
  std::string fragmentKey=fileName.str()+":"+scopeName.str();
  std::unordered_map< std::string,std::unique_ptr<Private::FragmentInfo> >::iterator it;
  bool inserted = false;
  {
    // create new entry if it is not yet in the map
    std::lock_guard lock(p->mutex);
    it = p->fragments.find(fragmentKey);
    if (it == p->fragments.end())
    {
      it = p->fragments.emplace(fragmentKey, std::make_unique<Private::FragmentInfo>()).first;
      inserted = true;
      AUTO_TRACE_ADD("new fragment");
    }
  }
  // only lock the one item we are working with
  auto &codeFragment = it->second;
  std::lock_guard lock(codeFragment->mutex);
  if (inserted) // new entry, need to parse the file and record the output and cache it
  {
    SrcLangExt langExt = getLanguageFromFileName(fileName);
    FileInfo cfi( fileName.str() );
    auto fd = createFileDef( cfi.dirPath(), cfi.fileName() );
    auto intf = Doxygen::parserManager->getCodeParser(getFileNameExtension(fileName));
    intf->resetCodeParserState();
    bool filterSourceFiles = Config_getBool(FILTER_SOURCE_FILES);
    bool needs2PassParsing =
        Doxygen::parseSourcesNeeded &&                // we need to parse (filtered) sources for cross-references
        !filterSourceFiles &&                         // but user wants to show sources as-is
        !getFileFilter(fileName,TRUE).isEmpty();     // and there is a filter used while parsing
    codeFragment->fileContents = readTextFileByName(fileName);
    //printf("fileContents=[%s]\n",qPrint(codeFragment->fileContents));
    if (needs2PassParsing)
    {
      OutputCodeList devNullList;
      devNullList.add<DevNullCodeGenerator>();
      intf->parseCode(devNullList,
                      scopeName,
                      codeFragment->fileContents,
                      langExt,
                      stripCodeComments, // actually not important here
                      false,
                      QCString()
                      );
    }
    codeFragment->findBlockMarkers();
    if (codeFragment->fileContents.length()>0) // parse the normal version
    {
      intf->parseCode(codeFragment->recorderCodeList,
          scopeName,
          codeFragment->fileContents,
          langExt,            // lang
          false,              // strip code comments (overruled before replaying)
          false,              // isExampleBlock
          QCString(),         // exampleName
          fd.get(),           // fileDef
          -1,                 // startLine
          -1,                 // endLine
          true,               // inlineFragment
          nullptr,            // memberDef
          true,               // showLineNumbers
          nullptr,            // searchCtx
          false               // collectXRefs
          );
    }
  }
  // use the recorded OutputCodeList from the cache to output a pre-recorded fragment
  auto blockKv = codeFragment->blocksById.find(blockId.str());
  if (blockKv != codeFragment->blocksById.end())
  {
    const auto &marker = blockKv->second;
    int startLine = marker->lines[0];
    int endLine   = marker->lines[1];
    int indent    = marker->indent;
    AUTO_TRACE_ADD("replay(start={},end={},indent={}) fileContentsTrimLeft.empty()={}",
        startLine,endLine,indent,codeFragment->fileContentsTrimLeft.isEmpty());
    auto recorder = codeFragment->recorderCodeList.get<OutputCodeRecorder>(OutputType::Recorder);
    recorder->replay(codeOutList,
                    startLine+1,
                    endLine,
                    showLineNumbers,
                    stripCodeComments,
                    trimLeft ? static_cast<size_t>(indent) : 0
                   );
  }
  else
  {
    AUTO_TRACE_ADD("block not found!");
  }
}