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