X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1944c6bdd0daa0a9793e9a57f0800c169fec958b..4ed0aceb92203313439ad8df2cc9623ed56b5486:/src/msw/dir.cpp?ds=sidebyside diff --git a/src/msw/dir.cpp b/src/msw/dir.cpp index 8e993552a5..adfa2dd7e3 100644 --- a/src/msw/dir.cpp +++ b/src/msw/dir.cpp @@ -28,6 +28,11 @@ #pragma hdrstop #endif +// For _A_SUBDIR, etc. +#if defined(__BORLANDC__) && defined(__WIN16__) +#include +#endif + #ifndef WX_PRECOMP #include "wx/intl.h" #include "wx/log.h" @@ -36,7 +41,147 @@ #include "wx/dir.h" #include "wx/filefn.h" // for wxPathExists() -#include +// ---------------------------------------------------------------------------- +// define the types and functions used for file searching +// ---------------------------------------------------------------------------- + +// under Win16 use compiler-specific functions +#ifdef __WIN16__ + #ifdef __VISUALC__ + #include + #include + + typedef struct _find_t FIND_STRUCT; + #elif defined(__BORLANDC__) + #include + + typedef struct ffblk FIND_STRUCT; + #else + #error "No directory searching functions for this compiler" + #endif + + typedef FIND_STRUCT *FIND_DATA; + typedef char FIND_ATTR; + + static inline FIND_DATA InitFindData() { return (FIND_DATA)NULL; } + static inline bool IsFindDataOk(FIND_DATA fd) { return fd != NULL; } + static inline void FreeFindData(FIND_DATA fd) { free(fd); } + + static inline FIND_DATA FindFirst(const wxString& spec, + FIND_STRUCT * WXUNUSED(finddata)) + { + // attribute to find all files + static const FIND_ATTR attr = 0x3F; + + FIND_DATA fd = (FIND_DATA)malloc(sizeof(FIND_STRUCT)); + + if ( + #ifdef __VISUALC__ + _dos_findfirst(spec, attr, fd) == 0 + #else // Borland + findfirst(spec, fd, attr) == 0 + #endif + ) + { + return fd; + } + else + { + free(fd); + + return NULL; + } + } + + static inline bool FindNext(FIND_DATA fd, FIND_STRUCT * WXUNUSED(finddata)) + { + #ifdef __VISUALC__ + return _dos_findnext(fd) == 0; + #else // Borland + return findnext(fd) == 0; + #endif + } + + static const wxChar *GetNameFromFindData(FIND_STRUCT *finddata) + { + #ifdef __VISUALC__ + return finddata->name; + #else // Borland + return finddata->ff_name; + #endif + } + + static const FIND_ATTR GetAttrFromFindData(FIND_STRUCT *finddata) + { + #ifdef __VISUALC__ + return finddata->attrib; + #else // Borland + return finddata->ff_attrib; + #endif + } + + static inline bool IsDir(FIND_ATTR attr) + { + return (attr & _A_SUBDIR) != 0; + } + + static inline bool IsHidden(FIND_ATTR attr) + { + return (attr & (_A_SYSTEM | _A_HIDDEN)) != 0; + } +#else // Win32 + #include + + typedef WIN32_FIND_DATA FIND_STRUCT; + typedef HANDLE FIND_DATA; + typedef DWORD FIND_ATTR; + + static inline FIND_DATA InitFindData() { return INVALID_HANDLE_VALUE; } + + static inline bool IsFindDataOk(FIND_DATA fd) + { + return fd != INVALID_HANDLE_VALUE; + } + + static inline void FreeFindData(FIND_DATA fd) + { + if ( !::FindClose(fd) ) + { + wxLogLastError(_T("FindClose")); + } + } + + static inline FIND_DATA FindFirst(const wxString& spec, + FIND_STRUCT *finddata) + { + return ::FindFirstFile(spec, finddata); + } + + static inline bool FindNext(FIND_DATA fd, FIND_STRUCT *finddata) + { + return ::FindNextFile(fd, finddata) != 0; + } + + static const wxChar *GetNameFromFindData(FIND_STRUCT *finddata) + { + return finddata->cFileName; + } + + static const FIND_ATTR GetAttrFromFindData(FIND_STRUCT *finddata) + { + return finddata->dwFileAttributes; + } + + static inline bool IsDir(FIND_ATTR attr) + { + return (attr & FILE_ATTRIBUTE_DIRECTORY) != 0; + } + + static inline bool IsHidden(FIND_ATTR attr) + { + return (attr & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)) != 0; + } +#endif // __WIN16__ // ---------------------------------------------------------------------------- // constants @@ -71,7 +216,7 @@ public: bool Read(wxString *filename); private: - HANDLE m_handle; + FIND_DATA m_finddata; wxString m_dirname; wxString m_filespec; @@ -90,16 +235,7 @@ private: wxDirData::wxDirData(const wxString& dirname) : m_dirname(dirname) { - m_handle = INVALID_HANDLE_VALUE; - - // throw away the trailing slashes - size_t n = m_dirname.length(); - wxCHECK_RET( n, _T("empty dir name in wxDir") ); - - while ( n > 0 && wxIsPathSeparator(m_dirname[--n]) ) - ; - - m_dirname.Truncate(n + 1); + m_finddata = InitFindData(); } wxDirData::~wxDirData() @@ -109,12 +245,11 @@ wxDirData::~wxDirData() void wxDirData::Close() { - if ( m_handle != INVALID_HANDLE_VALUE ) + if ( IsFindDataOk(m_finddata) ) { - if ( !::FindClose(m_handle) ) - { - wxLogLastError(_T("FindClose")); - } + FreeFindData(m_finddata); + + m_finddata = InitFindData(); } } @@ -127,36 +262,48 @@ bool wxDirData::Read(wxString *filename) { bool first = FALSE; +#ifdef __WIN32__ WIN32_FIND_DATA finddata; - if ( m_handle == INVALID_HANDLE_VALUE ) + #define PTR_TO_FINDDATA (&finddata) +#else // Win16 + #define PTR_TO_FINDDATA (m_finddata) +#endif + + if ( !IsFindDataOk(m_finddata) ) { // open first - m_handle = ::FindFirstFile(!m_filespec ? _T("*.*") : m_filespec.c_str(), - &finddata); + wxString filespec = m_dirname; + if ( !wxEndsWithPathSeparator(filespec) ) + { + filespec += _T('\\'); + } + filespec += (!m_filespec ? _T("*.*") : m_filespec.c_str()); + + m_finddata = FindFirst(filespec, PTR_TO_FINDDATA); first = TRUE; } - if ( m_handle == INVALID_HANDLE_VALUE ) + if ( !IsFindDataOk(m_finddata) ) { +#ifdef __WIN32__ DWORD err = ::GetLastError(); - if ( err != ERROR_NO_MORE_FILES ) + if ( err != ERROR_FILE_NOT_FOUND ) { wxLogSysError(err, _("Can not enumerate files in directory '%s'"), m_dirname.c_str()); } +#endif // __WIN32__ //else: not an error, just no (such) files return FALSE; } - bool matches = FALSE; - const wxChar *name; - DWORD attr; + FIND_ATTR attr; - while ( !matches ) + for ( ;; ) { if ( first ) { @@ -164,22 +311,24 @@ bool wxDirData::Read(wxString *filename) } else { - if ( !::FindNextFile(m_handle, &finddata) ) + if ( !FindNext(m_finddata, PTR_TO_FINDDATA) ) { +#ifdef __WIN32__ DWORD err = ::GetLastError(); if ( err != ERROR_NO_MORE_FILES ) { wxLogLastError(_T("FindNext")); } +#endif // __WIN32__ //else: not an error, just no more (such) files return FALSE; } } - name = finddata.cFileName; - attr = finddata.dwFileAttributes; + name = GetNameFromFindData(PTR_TO_FINDDATA); + attr = GetAttrFromFindData(PTR_TO_FINDDATA); // don't return "." and ".." unless asked for if ( name[0] == _T('.') && @@ -191,12 +340,12 @@ bool wxDirData::Read(wxString *filename) } // check the type now - if ( !(m_flags & wxDIR_FILES) && !(attr & FILE_ATTRIBUTE_DIRECTORY) ) + if ( !(m_flags & wxDIR_FILES) && !IsDir(attr) ) { // it's a file, but we don't want them continue; } - else if ( !(m_flags & wxDIR_DIRS) && (attr & FILE_ATTRIBUTE_DIRECTORY) ) + else if ( !(m_flags & wxDIR_DIRS) && IsDir(attr) ) { // it's a dir, and we don't want it continue; @@ -205,11 +354,17 @@ bool wxDirData::Read(wxString *filename) // finally, check whether it's a hidden file if ( !(m_flags & wxDIR_HIDDEN) ) { - matches = !(attr & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM)); + if ( IsHidden(attr) ) + { + // it's a hidden file, skip it + continue; + } } - } - *filename = name; + *filename = name; + + break; + } return TRUE; }