X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/14f355c2b5c71fc7c3d680aea366582d2ac60f7b..b53aea81d2e102224b452ef5bf7aee1132f37c6f:/src/common/dircmn.cpp diff --git a/src/common/dircmn.cpp b/src/common/dircmn.cpp index 801e2d1f9f..8b5b453db0 100644 --- a/src/common/dircmn.cpp +++ b/src/common/dircmn.cpp @@ -17,12 +17,6 @@ // headers // ---------------------------------------------------------------------------- -/* this is done in platform-specific files -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "dir.h" -#endif -*/ - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -35,9 +29,11 @@ #include "wx/log.h" #include "wx/intl.h" #include "wx/filefn.h" + #include "wx/arrstr.h" #endif //WX_PRECOMP #include "wx/dir.h" +#include "wx/filename.h" // ============================================================================ // implementation @@ -59,16 +55,16 @@ wxDirTraverser::OnOpenError(const wxString& WXUNUSED(dirname)) // dumb generic implementation -bool wxDir::HasFiles(const wxString& spec) +bool wxDir::HasFiles(const wxString& spec) const { wxString s; return GetFirst(&s, spec, wxDIR_FILES | wxDIR_HIDDEN); } // we have a (much) faster version for Unix -#if (defined(__CYGWIN__) && defined(__WINDOWS__)) || !defined(__UNIX_LIKE__) || defined(__WXMAC__) +#if (defined(__CYGWIN__) && defined(__WINDOWS__)) || !defined(__UNIX_LIKE__) || defined(__EMX__) || defined(__WINE__) -bool wxDir::HasSubDirs(const wxString& spec) +bool wxDir::HasSubDirs(const wxString& spec) const { wxString s; return GetFirst(&s, spec, wxDIR_DIRS | wxDIR_HIDDEN); @@ -98,9 +94,9 @@ size_t wxDir::Traverse(wxDirTraverser& sink, if ( flags & wxDIR_DIRS ) { wxString dirname; - for ( bool cont = GetFirst(&dirname, _T(""), wxDIR_DIRS | wxDIR_HIDDEN); + for ( bool cont = GetFirst(&dirname, wxEmptyString, wxDIR_DIRS | (flags & wxDIR_HIDDEN) ); cont; - cont = GetNext(&dirname) ) + cont = cont && GetNext(&dirname) ) { const wxString fulldirname = prefix + dirname; @@ -242,3 +238,123 @@ size_t wxDir::GetAllFiles(const wxString& dirname, return nFiles; } +// ---------------------------------------------------------------------------- +// 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; + + DECLARE_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) + { + wxULongLong sz = wxFileName::GetSize(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 + 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; } + wxArrayString &FilesSkipped() + { 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 || + traverser.GetTotalSize() == 0) + return wxInvalidSize; + + if (filesSkipped) + *filesSkipped = traverser.FilesSkipped(); + + return traverser.GetTotalSize(); +} + +#endif // wxUSE_LONGLONG