+// ----------------------------------------------------------------------------
+// wxDir::FindFirst()
+// ----------------------------------------------------------------------------
+
+class wxDirTraverserFindFirst : public wxDirTraverser
+{
+public:
+ wxDirTraverserFindFirst() { }
+
+ virtual wxDirTraverseResult OnFile(const wxString& filename)
+ {
+ m_file = filename;
+ return wxDIR_STOP;
+ }
+
+ virtual wxDirTraverseResult OnDir(const wxString& WXUNUSED(dirname))
+ {
+ return wxDIR_CONTINUE;
+ }
+
+ const wxString& GetFile() const
+ {
+ return m_file;
+ }
+
+private:
+ wxString m_file;
+
+ wxDECLARE_NO_COPY_CLASS(wxDirTraverserFindFirst);
+};
+
+/* static */
+wxString wxDir::FindFirst(const wxString& dirname,
+ const wxString& filespec,
+ int flags)
+{
+ wxDir dir(dirname);
+ if ( dir.IsOpened() )
+ {
+ wxDirTraverserFindFirst traverser;
+
+ dir.Traverse(traverser, filespec, flags | wxDIR_FILES);
+ return traverser.GetFile();
+ }
+
+ return wxEmptyString;
+}
+
+
+// ----------------------------------------------------------------------------
+// wxDir::GetTotalSize()
+// ----------------------------------------------------------------------------
+
+#if wxUSE_LONGLONG
+
+class wxDirTraverserSumSize : public wxDirTraverser
+{
+public:
+ wxDirTraverserSumSize() { }
+
+ virtual wxDirTraverseResult OnFile(const wxString& filename)
+ {
+ // wxFileName::GetSize won't use this class again as
+ // we're passing it a file and not a directory;
+ // thus we are sure to avoid an endless loop
+ wxULongLong sz = wxFileName::GetSize(filename);
+
+ if (sz == wxInvalidSize)
+ {
+ // if the GetSize() failed (this can happen because e.g. a
+ // file is locked by another process), we can proceed but
+ // we need to at least warn the user that the resulting
+ // final size could be not reliable (if e.g. the locked
+ // file is very big).
+ m_skippedFiles.Add(filename);
+ return wxDIR_CONTINUE;
+ }
+
+ m_sz += sz;
+ return wxDIR_CONTINUE;
+ }
+
+ virtual wxDirTraverseResult OnDir(const wxString& WXUNUSED(dirname))
+ {
+ return wxDIR_CONTINUE;
+ }
+
+ wxULongLong GetTotalSize() const
+ { return m_sz; }
+ const wxArrayString& GetSkippedFiles() const
+ { return m_skippedFiles; }
+
+protected:
+ wxULongLong m_sz;
+ wxArrayString m_skippedFiles;
+};
+
+wxULongLong wxDir::GetTotalSize(const wxString &dirname, wxArrayString *filesSkipped)
+{
+ if (!wxDirExists(dirname))
+ return wxInvalidSize;
+
+ // to get the size of this directory and its contents we need
+ // to recursively walk it...
+ wxDir dir(dirname);
+ if ( !dir.IsOpened() )
+ return wxInvalidSize;
+
+ wxDirTraverserSumSize traverser;
+ if (dir.Traverse(traverser) == (size_t)-1 )
+ return wxInvalidSize;
+
+ if (filesSkipped)
+ *filesSkipped = traverser.GetSkippedFiles();
+
+ return traverser.GetTotalSize();
+}
+
+// ----------------------------------------------------------------------------
+// wxDir helpers
+// ----------------------------------------------------------------------------
+
+/* static */
+bool wxDir::Exists(const wxString& dir)
+{
+ return wxFileName::DirExists(dir);
+}
+
+/* static */
+bool wxDir::Make(const wxString &dir, int perm, int flags)
+{
+ return wxFileName::Mkdir(dir, perm, flags);
+}
+
+/* static */
+bool wxDir::Remove(const wxString &dir, int flags)
+{
+ return wxFileName::Rmdir(dir, flags);
+}
+
+#endif // wxUSE_LONGLONG
projects / wxWidgets.git / blobdiff