X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/350777b68f3cbc6c51d8fdbb29151ee36247563e..64ea838d8f4d1853b7d850db93ee565e901d099a:/src/common/dircmn.cpp diff --git a/src/common/dircmn.cpp b/src/common/dircmn.cpp index 2012e5560a..7faa5bb3ea 100644 --- a/src/common/dircmn.cpp +++ b/src/common/dircmn.cpp @@ -6,7 +6,7 @@ // Created: 19.05.01 // RCS-ID: $Id$ // Copyright: (c) 2001 Vadim Zeitlin -// License: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,12 +17,6 @@ // headers // ---------------------------------------------------------------------------- -/* this is done in platform-specific files -#ifdef __GNUG__ - #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); @@ -76,6 +72,28 @@ bool wxDir::HasSubDirs(const wxString& spec) #endif // !Unix +// ---------------------------------------------------------------------------- +// wxDir::GetNameWithSep() +// ---------------------------------------------------------------------------- + +wxString wxDir::GetNameWithSep() const +{ + // Note that for historical reasons (i.e. because GetName() was there + // first) we implement this one in terms of GetName() even though it might + // actually make more sense to reverse this logic. + + wxString name = GetName(); + if ( !name.empty() ) + { + // Notice that even though GetName() isn't supposed to return the + // separator, it can still be present for the root directory name. + if ( name.Last() != wxFILE_SEP_PATH ) + name += wxFILE_SEP_PATH; + } + + return name; +} + // ---------------------------------------------------------------------------- // wxDir::Traverse() // ---------------------------------------------------------------------------- @@ -85,29 +103,30 @@ size_t wxDir::Traverse(wxDirTraverser& sink, int flags) const { wxCHECK_MSG( IsOpened(), (size_t)-1, - _T("dir must be opened before traversing it") ); + wxT("dir must be opened before traversing it") ); // the total number of files found size_t nFiles = 0; // the name of this dir with path delimiter at the end - wxString prefix = GetName(); - prefix += wxFILE_SEP_PATH; + const wxString prefix = GetNameWithSep(); // first, recurse into subdirs if ( flags & wxDIR_DIRS ) { wxString dirname; - for ( bool cont = GetFirst(&dirname, _T(""), wxDIR_DIRS | wxDIR_HIDDEN); + for ( bool cont = GetFirst(&dirname, wxEmptyString, + (flags & ~(wxDIR_FILES | wxDIR_DOTDOT)) + | wxDIR_DIRS); cont; - cont = GetNext(&dirname) ) + cont = cont && GetNext(&dirname) ) { const wxString fulldirname = prefix + dirname; switch ( sink.OnDir(fulldirname) ) { default: - wxFAIL_MSG(_T("unexpected OnDir() return value") ); + wxFAIL_MSG(wxT("unexpected OnDir() return value") ); // fall through case wxDIR_STOP: @@ -135,7 +154,7 @@ size_t wxDir::Traverse(wxDirTraverser& sink, switch ( sink.OnOpenError(fulldirname) ) { default: - wxFAIL_MSG(_T("unexpected OnOpenError() return value") ); + wxFAIL_MSG(wxT("unexpected OnOpenError() return value") ); // fall through case wxDIR_STOP: @@ -184,7 +203,7 @@ size_t wxDir::Traverse(wxDirTraverser& sink, break; wxASSERT_MSG( res == wxDIR_CONTINUE, - _T("unexpected OnFile() return value") ); + wxT("unexpected OnFile() return value") ); nFiles++; @@ -206,7 +225,7 @@ public: virtual wxDirTraverseResult OnFile(const wxString& filename) { - m_files.Add(filename); + m_files.push_back(filename); return wxDIR_CONTINUE; } @@ -217,6 +236,8 @@ public: private: wxArrayString& m_files; + + wxDECLARE_NO_COPY_CLASS(wxDirTraverserSimple); }; /* static */ @@ -225,7 +246,7 @@ size_t wxDir::GetAllFiles(const wxString& dirname, const wxString& filespec, int flags) { - wxCHECK_MSG( files, (size_t)-1, _T("NULL pointer in wxDir::GetAllFiles") ); + wxCHECK_MSG( files, (size_t)-1, wxT("NULL pointer in wxDir::GetAllFiles") ); size_t nFiles = 0; @@ -240,3 +261,145 @@ 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; + + 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(); +} + +#endif // wxUSE_LONGLONG + +// ---------------------------------------------------------------------------- +// 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); +} +