soltools/mkdepend/collectdircontent.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 #include  "collectdircontent.hxx"
   3
   4 PathFilePair IncludesCollection::split_path(const string& filePath) {
   5     string sepU = "/";
   6     string sepW = "\\";
   7     string::size_type pos = filePath.rfind (sepU);
   8     string::size_type posW = filePath.rfind (sepW);
   9     if ((posW != string::npos) && ((posW > pos) || (pos == string::npos))) pos = posW;
  10     if (pos != string::npos) {
  11         string dirName = filePath.substr(0, pos);
  12         return PathFilePair(dirName, filePath.substr(pos + 1, filePath.length()));
  13     } else
  14         return PathFilePair(".", filePath);
  15 };
  16
  17 void IncludesCollection::add_to_collection(const string& dirPath) {
  18     DirContent dirContent;
  19 #if defined( WNT )
  20     WIN32_FIND_DATA FindFileData;
  21     HANDLE hFind;
  22     hFind = FindFirstFile((dirPath + "\\*").c_str(), &FindFileData);
  23     if (hFind == INVALID_HANDLE_VALUE) {
  24         // Invalid File Handle - no need to try it anymore
  25         allIncludes.insert(EntriesPair(dirPath, DirContent()));
  26         return;
  27     };
  28     do {
  29         string winFileName(FindFileData.cFileName);
  30         transform(winFileName.begin(), winFileName.end(), winFileName.begin(), ::tolower);
  31         dirContent.insert(winFileName);
  32     } while (FindNextFile(hFind, &FindFileData));
  33 #else
  34     DIR *pdir;
  35     dirent *pent;
  36     pdir = opendir(dirPath.c_str()); //"." refers to the current dir
  37     if (!pdir) {
  38         // Invalid File Handle - no need to try it anymore
  39         allIncludes.insert(EntriesPair(dirPath, DirContent()));
  40         return;
  41     }
  42     while ((pent = readdir(pdir))) {
  43         dirContent.insert(pent->d_name);
  44     };
  45     closedir(pdir);
  46 #endif // defined( WNT )
  47     allIncludes.insert(EntriesPair(dirPath, dirContent));
  48 };
  49
  50 bool IncludesCollection::exists(string filePath) {
  51 #if defined( WNT )
  52     transform(filePath.begin(), filePath.end(), filePath.begin(), ::tolower);
  53 #endif // defined( WNT )
  54     PathFilePair dirFile = split_path(filePath);
  55     string dirPath = dirFile.first;
  56     string fileName = dirFile.second;
  57     DirMap::iterator mapIter = allIncludes.find(dirPath);
  58     if (mapIter == allIncludes.end()) {
  59         add_to_collection(dirPath);
  60         mapIter = allIncludes.find(dirPath);
  61     };
  62     DirContent dirContent = (*mapIter).second;
  63     DirContent::iterator dirIter = dirContent.find(fileName);
  64     if (dirIter == dirContent.end()) {
  65         return false;
  66     } else {
  67         return true;
  68     };
  69 };
  70
  71 extern "C" {
  72
  73     IncludesCollection * create_IncludesCollection() {
  74             return new IncludesCollection;
  75     }
  76
  77     void delete_IncludesCollection(IncludesCollection *m) {
  78             delete m;
  79     }
  80
  81     int call_IncludesCollection_exists(IncludesCollection* m, const char * filePath) {
  82         return m->exists(filePath);
  83     }
  84 }
  85
  86 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */