Add FolderPathsIterator

proj/sxcore/vs2013/sxcore.vcxproj

@@ -45,6 +45,7 @@
     <ClCompile Include="..\..\..\source\core\FileExtIterator.cpp" />
     <ClCompile Include="..\..\..\source\core\FileSystem.cpp" />
     <ClCompile Include="..\..\..\source\core\FolderIterator.cpp" />
+    <ClCompile Include="..\..\..\source\core\FolderPathsIterator.cpp" />
     <ClCompile Include="..\..\..\source\core\ModelPhysbox.cpp" />
     <ClCompile Include="..\..\..\source\core\ModelProvider.cpp" />
     <ClCompile Include="..\..\..\source\core\PerfMon.cpp" />
@@ -85,6 +86,7 @@
     <ClInclude Include="..\..\..\source\core\FileExtIterator.h" />
     <ClInclude Include="..\..\..\source\core\FileSystem.h" />
     <ClInclude Include="..\..\..\source\core\FolderIterator.h" />
+    <ClInclude Include="..\..\..\source\core\FolderPathsIterator.h" />
     <ClInclude Include="..\..\..\source\core\IFile.h" />
     <ClInclude Include="..\..\..\source\core\ITask.h" />
     <ClInclude Include="..\..\..\source\core\ModelPhysbox.h" />

proj/sxcore/vs2013/sxcore.vcxproj.filters

@@ -88,6 +88,9 @@
     <ClCompile Include="..\..\..\source\core\FolderIterator.cpp">
       <Filter>Source\FileSystem</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\source\core\FolderPathsIterator.cpp">
+      <Filter>Source\FileSystem</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <Filter Include="Source">
@@ -251,5 +254,8 @@
     <ClInclude Include="..\..\..\source\core\FolderIterator.h">
       <Filter>Header\FileSystem</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\source\core\FolderPathsIterator.h">
+      <Filter>Header\FileSystem</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>
\ No newline at end of file

source/core/FolderPathsIterator.cpp

+#include "FolderPathsIterator.h"
+
+CFolderPathsIterator::CFolderPathsIterator(Array<String> *paths)
+: m_paths(paths)
+{
+
+}
+
+const char *CFolderPathsIterator::next()
+{
+    WIN32_FIND_DATA FindFileData;
+    HANDLE hf;
+
+    int size = m_paths->size();
+
+    while (index < size)
+    {
+        hf = INVALID_OR_NULL(m_handle) ? FindFirstFile(((*m_paths)[index] + "*.*").c_str(), &FindFileData) : m_handle;
+
+        if (hf != INVALID_HANDLE_VALUE)
+        {
+            while (FindNextFile(hf, &FindFileData) != 0)
+            {
+                m_handle = hf;
+
+                m_pathStr = (*m_paths)[index] + FindFileData.cFileName;
+
+                DWORD flag = GetFileAttributes(m_pathStr.c_str());
+
+                if (!strcmp(FindFileData.cFileName, "..") || !strcmp(FindFileData.cFileName, "."))
+                {
+                    continue;
+                }
+
+                //Берет только имена директорий
+                if (flag != INVALID_FILE_ATTRIBUTES && flag & FILE_ATTRIBUTE_DIRECTORY)
+                {
+                    //Возвращаем полный путь к директории
+                    return m_pathStr.c_str();
+                }
+            }
+            FIND_CLOSE(m_handle);
+            ++index;
+        }
+    }
+
+    //Если вообще не нашли файлов возвращаем nullptr
+    return nullptr;
+}
+
+void CFolderPathsIterator::reset()
+{
+    index = 0;
+    FIND_CLOSE(m_handle);
+}
+
+CFolderPathsIterator::~CFolderPathsIterator()
+{
+    FIND_CLOSE(m_handle);
+    mem_delete_a(m_paths);
+}

source/core/FolderPathsIterator.h

+/***********************************************************
+Copyright © Vitaliy Buturlin, Evgeny Danilovich, Ivan Dokunov, 2019
+See the license in LICENSE
+***********************************************************/
+
+#ifndef __FOLDER_PATHS_ITERATOR_H
+#define __FOLDER_PATHS_ITERATOR_H
+
+#include "FileSystem.h"
+
+class CFolderPathsIterator final : public IFileSystem::IFileIterator
+{
+private:
+
+    Array<String>* m_paths;
+    String m_pathStr;
+
+    int index = 0;
+
+    HANDLE m_handle = nullptr;
+
+public:
+    CFolderPathsIterator(Array<String> *paths);
+
+    const char *XMETHODCALLTYPE next() override;
+
+    void XMETHODCALLTYPE reset() override;
+
+    ~CFolderPathsIterator();
+};
+
+#endif