Add platform-specific implemenrations of FS::list_filtered

[libs/core.git] / source / fs / windows / dir.cpp

diff --git a/source/fs/windows/dir.cpp b/source/fs/windows/dir.cpp
index 3d2bf6e65a8f5fd461a48d51d595265c1bad2fec..c6f6b9b6bd29893535ca64dd5b4423b5a39a8ad0 100644 (file)
--- a/source/fs/windows/dir.cpp
+++ b/source/fs/windows/dir.cpp
@@ -1,6 +1,7 @@
 #include <windows.h>
 #include <msp/core/mutex.h>
 #include <msp/core/systemerror.h>
 #include <windows.h>
 #include <msp/core/mutex.h>
 #include <msp/core/systemerror.h>

+#include <msp/strings/regex.h>

 #include "dir.h"
 
 using namespace std;
 #include "dir.h"
 
 using namespace std;


@@ -20,6 +21,40 @@ void rmdir(const Path &path)
                throw system_error("RemoveDirectory");
 }
 
                throw system_error("RemoveDirectory");
 }
 

+vector<string> list_filtered(const Path &path, const string &filter)
+{
+       Regex r_filter(filter);
+
+       vector<string> result;
+       WIN32_FIND_DATA entry;
+       string pattern = path.str()+"\\*";
+       HANDLE search_handle = FindFirstFileEx(pattern.c_str(), FindExInfoBasic, &entry, FindExSearchNameMatch, 0, 0);
+       if(search_handle==INVALID_HANDLE_VALUE)
+       {
+               DWORD err = GetLastError();
+               if(err==ERROR_FILE_NOT_FOUND)
+                       return result;
+               throw system_error("FindFirstFileEx");
+       }
+
+       bool more = true;
+       for(; more; more=FindNextFile(search_handle, &entry))
+       {
+               const char *fn = entry.cFileName;
+               if(fn[0]=='.' && (fn[1]==0 || (fn[1]=='.' && fn[2]==0)))
+                       continue;
+               if(r_filter.match(fn))
+                       result.push_back(fn);
+       }
+
+       DWORD err = GetLastError();
+       FindClose(search_handle);
+       if(err!=ERROR_NO_MORE_FILES)
+               throw system_error("FindNextFile");
+
+       return result;
+}
+

 /* Windows documentation says Get/SetCurrentDirectory use a global buffer and
 are not thread safe. */
 static Mutex &cwd_mutex()
 /* Windows documentation says Get/SetCurrentDirectory use a global buffer and
 are not thread safe. */
 static Mutex &cwd_mutex()