soltools/mkdepend/collectdircontent.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 #include "collectdircontent.hxx"
   3 #include <rtl/character.hxx>
   4
   5 PathFilePair IncludesCollection::split_path(const std::string& filePath) {
   6     std::string sepU = "/";
   7     std::string sepW = "\\";
   8     std::string::size_type pos = filePath.rfind (sepU);
   9     std::string::size_type posW = filePath.rfind (sepW);
  10     if ((posW != std::string::npos) && ((posW > pos) || (pos == std::string::npos))) pos = posW;
  11     if (pos != std::string::npos) {
  12         std::string dirName = filePath.substr(0, pos);
  13         return PathFilePair(dirName, filePath.substr(pos + 1, filePath.length()));
  14     } else
  15         return PathFilePair(".", filePath);
  16 }
  17
  18 void IncludesCollection::add_to_collection(const std::string& dirPath) {
  19     DirContent dirContent;
  20 #if defined(_WIN32)
  21     WIN32_FIND_DATA FindFileData;
  22     HANDLE hFind;
  23     hFind = FindFirstFile((dirPath + "\\*").c_str(), &FindFileData);
  24     if (hFind == INVALID_HANDLE_VALUE) {
  25         // Invalid File Handle - no need to try it anymore
  26         allIncludes.insert(EntriesPair(dirPath, DirContent()));
  27         return;
  28     }
  29     do {
  30         std::string winFileName(FindFileData.cFileName);
  31         transform(
  32             winFileName.begin(), winFileName.end(), winFileName.begin(),
  33             [](char c) {
  34                 return rtl::toAsciiLowerCase(static_cast<unsigned char>(c));
  35             });
  36         dirContent.insert(winFileName);
  37     } while (FindNextFile(hFind, &FindFileData));
  38 #else
  39     DIR *pdir;
  40     dirent *pent;
  41     pdir = opendir(dirPath.c_str()); //"." refers to the current dir
  42     if (!pdir) {
  43         // Invalid File Handle - no need to try it anymore
  44         allIncludes.insert(EntriesPair(dirPath, DirContent()));
  45         return;
  46     }
  47     while ((pent = readdir(pdir))) {
  48         dirContent.insert(pent->d_name);
  49     }
  50     closedir(pdir);
  51 #endif // defined( _WIN32 )
  52     allIncludes.insert(EntriesPair(dirPath, dirContent));
  53 }
  54
  55 bool IncludesCollection::exists(std::string filePath) {
  56 #if defined(_WIN32)
  57     transform(
  58         filePath.begin(), filePath.end(), filePath.begin(),
  59         [](char c) {
  60             return rtl::toAsciiLowerCase(static_cast<unsigned char>(c));
  61         });
  62 #endif // defined( _WIN32 )
  63     PathFilePair dirFile = split_path(filePath);
  64     std::string dirPath = dirFile.first;
  65     std::string fileName = dirFile.second;
  66     DirMap::iterator mapIter = allIncludes.find(dirPath);
  67     if (mapIter == allIncludes.end()) {
  68         add_to_collection(dirPath);
  69         mapIter = allIncludes.find(dirPath);
  70     }
  71     assert(mapIter != allIncludes.end());
  72     DirContent dirContent = (*mapIter).second;
  73     DirContent::iterator dirIter = dirContent.find(fileName);
  74     return dirIter != dirContent.end();
  75 }
  76
  77 extern "C" {
  78
  79     IncludesCollection * create_IncludesCollection() {
  80             return new IncludesCollection;
  81     }
  82
  83     void delete_IncludesCollection(IncludesCollection *m) {
  84             delete m;
  85     }
  86
  87     int call_IncludesCollection_exists(IncludesCollection* m, const char * filePath) {
  88         return m->exists(filePath);
  89     }
  90 }
  91
  92 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */