soltools/mkdepend/collectdircontent.cxx

   1 #include  "collectdircontent.hxx"
   2
   3 PathFilePair IncludesCollection::split_path(const string& filePath) {
   4     string sepU = "/";
   5     string sepW = "\\";
   6     string::size_type pos = filePath.rfind (sepU);
   7     string::size_type posW = filePath.rfind (sepW);
   8     if ((posW != string::npos) && ((posW > pos) || (pos == string::npos))) pos = posW;
   9     if (pos != string::npos) {
  10         string dirName = filePath.substr(0, pos);
  11         return PathFilePair(dirName, filePath.substr(pos + 1, filePath.length()));
  12     } else
  13         return PathFilePair(".", filePath);
  14 };
  15
  16 void IncludesCollection::add_to_collection(const string& dirPath) {
  17     DirContent dirContent;
  18 #if defined( WNT )
  19     WIN32_FIND_DATA FindFileData;
  20     HANDLE hFind;
  21     hFind = FindFirstFile((dirPath + "\\*").c_str(), &FindFileData);
  22     if (hFind == INVALID_HANDLE_VALUE) {
  23         // Invalid File Handle - no need to try it anymore
  24         allIncludes.insert(EntriesPair(dirPath, DirContent()));
  25         return;
  26     };
  27     do {
  28         string winFileName(FindFileData.cFileName);
  29         transform(winFileName.begin(), winFileName.end(), winFileName.begin(), ::tolower);
  30         dirContent.insert(winFileName);
  31     } while (FindNextFile(hFind, &FindFileData));
  32 #else
  33     DIR *pdir;
  34     dirent *pent;
  35     pdir = opendir(dirPath.c_str()); //"." refers to the current dir
  36     if (!pdir) {
  37         // Invalid File Handle - no need to try it anymore
  38         allIncludes.insert(EntriesPair(dirPath, DirContent()));
  39         return;
  40     }
  41     while ((pent = readdir(pdir))) {
  42         dirContent.insert(pent->d_name);
  43     };
  44 #endif // defined( WNT )
  45     allIncludes.insert(EntriesPair(dirPath, dirContent));
  46 };
  47
  48 bool IncludesCollection::exists(string filePath) {
  49 #if defined( WNT )
  50     transform(filePath.begin(), filePath.end(), filePath.begin(), ::tolower);
  51 #endif // defined( WNT )
  52     PathFilePair dirFile = split_path(filePath);
  53     string dirPath = dirFile.first;
  54     string fileName = dirFile.second;
  55     DirMap::iterator mapIter = allIncludes.find(dirPath);
  56     if (mapIter == allIncludes.end()) {
  57         add_to_collection(dirPath);
  58         mapIter = allIncludes.find(dirPath);
  59     };
  60     DirContent dirContent = (*mapIter).second;
  61     DirContent::iterator dirIter = dirContent.find(fileName);
  62     if (dirIter == dirContent.end()) {
  63         return false;
  64     } else {
  65         return true;
  66     };
  67     return false;
  68 };
  69
  70 extern "C" {
  71
  72     IncludesCollection * create_IncludesCollection() {
  73             return new IncludesCollection;
  74     }
  75
  76     int call_IncludesCollection_exists(IncludesCollection* m, const char * filePath) {
  77         return m->exists(filePath);
  78     }
  79 }