]> git.saurik.com Git - wxWidgets.git/blobdiff - src/common/filefn.cpp
[ 1509599 ] 'Split pickers page in widgets sample' with more icons and rebaking.
[wxWidgets.git] / src / common / filefn.cpp
index 7b7a499f5f25168209b3a15b18928c11d53c61ba..dec3887eb36b35d8492cdf6eaf5c36fe1cbb1131 100644 (file)
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        filefn.cpp
+// Name:        src/common/filefn.cpp
 // Purpose:     File- and directory-related functions
 // Author:      Julian Smart
 // Modified by:
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "filefn.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
-#include "wx/defs.h"
 
 #ifdef __BORLANDC__
     #pragma hdrstop
 #endif
 
-#include "wx/utils.h"
-#include "wx/intl.h"
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/utils.h"
+#endif
+
 #include "wx/file.h" // This does include filefn.h
 #include "wx/filename.h"
 #include "wx/dir.h"
@@ -44,7 +43,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#if !defined(__WATCOMC__)
+#if !wxONLY_WATCOM_EARLIER_THAN(1,4)
     #if !(defined(_MSC_VER) && (_MSC_VER > 800))
         #include <errno.h>
     #endif
@@ -54,8 +53,6 @@
     #include  "wx/mac/private.h"  // includes mac headers
 #endif
 
-#include "wx/log.h"
-
 #ifdef __WINDOWS__
     #include "wx/msw/private.h"
     #include "wx/msw/mslu.h"
@@ -246,8 +243,7 @@ bool wxPathList::Member (const wxString& path)
 
 wxString wxPathList::FindValidPath (const wxString& file)
 {
-  if (wxFileExists (wxExpandPath(wxFileFunctionsBuffer, file)))
-    return wxString(wxFileFunctionsBuffer);
+  wxExpandPath(wxFileFunctionsBuffer, file);
 
   wxChar buf[_MAXPATHLEN];
   wxStrcpy(buf, wxFileFunctionsBuffer);
@@ -256,7 +252,7 @@ wxString wxPathList::FindValidPath (const wxString& file)
 
   for (wxStringList::compatibility_iterator node = GetFirst(); node; node = node->GetNext())
     {
-      const wxChar *path = node->GetData();
+      const wxString path(node->GetData());
       wxStrcpy (wxFileFunctionsBuffer, path);
       wxChar ch = wxFileFunctionsBuffer[wxStrlen(wxFileFunctionsBuffer)-1];
       if (ch != wxT('\\') && ch != wxT('/'))
@@ -280,8 +276,7 @@ wxString wxPathList::FindAbsoluteValidPath (const wxString& file)
     if ( f.empty() || wxIsAbsolutePath(f) )
         return f;
 
-    wxString buf;
-    wxGetWorkingDirectory(wxStringBuffer(buf, _MAXPATHLEN), _MAXPATHLEN);
+    wxString buf = ::wxGetCwd();
 
     if ( !wxEndsWithPathSeparator(buf) )
     {
@@ -304,11 +299,19 @@ wxFileExists (const wxString& filename)
 
     return (ret != (DWORD)-1) && !(ret & FILE_ATTRIBUTE_DIRECTORY);
 #else // !__WIN32__
+    #ifndef S_ISREG
+        #define S_ISREG(mode) ((mode) & S_IFREG)
+    #endif
     wxStructStat st;
 #ifndef wxNEED_WX_UNISTD_H
-    return wxStat( filename.fn_str() , &st) == 0 && (st.st_mode & S_IFREG);
+    return (wxStat( filename.fn_str() , &st) == 0 && S_ISREG(st.st_mode))
+#ifdef __OS2__
+      || (errno == EACCES) // if access is denied something with that name
+                            // exists and is opened in exclusive mode.
+#endif
+      ;
 #else
-    return wxStat( filename , &st) == 0 && (st.st_mode & S_IFREG);
+    return wxStat( filename , &st) == 0 && S_ISREG(st.st_mode);
 #endif
 #endif // __WIN32__/!__WIN32__
 }
@@ -369,8 +372,8 @@ void wxStripExtension(wxChar *buffer)
 void wxStripExtension(wxString& buffer)
 {
     //RN:  Be careful about the handling the case where
-    //buffer.Length() == 0
-    for(size_t i = buffer.Length() - 1; i != wxString::npos; --i)
+    //buffer.length() == 0
+    for(size_t i = buffer.length() - 1; i != wxString::npos; --i)
     {
         if (buffer.GetChar(i) == wxT('.'))
         {
@@ -436,28 +439,38 @@ wxChar *wxRealPath (wxChar *path)
   return path;
 }
 
+wxString wxRealPath(const wxString& path)
+{
+    wxChar *buf1=MYcopystring(path);
+    wxChar *buf2=wxRealPath(buf1);
+    wxString buf(buf2);
+    delete [] buf1;
+    return buf;
+}
+
+
 // Must be destroyed
 wxChar *wxCopyAbsolutePath(const wxString& filename)
 {
-  if (filename.empty())
-    return (wxChar *) NULL;
+    if (filename.empty())
+        return (wxChar *) NULL;
 
-  if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename))) {
-    wxChar  buf[_MAXPATHLEN];
-    buf[0] = wxT('\0');
-    wxGetWorkingDirectory(buf, WXSIZEOF(buf));
-    wxChar ch = buf[wxStrlen(buf) - 1];
+    if (! wxIsAbsolutePath(wxExpandPath(wxFileFunctionsBuffer, filename)))
+    {
+        wxString buf = ::wxGetCwd();
+        wxChar ch = buf.Last();
 #ifdef __WXMSW__
-    if (ch != wxT('\\') && ch != wxT('/'))
-        wxStrcat(buf, wxT("\\"));
+        if (ch != wxT('\\') && ch != wxT('/'))
+            buf << wxT("\\");
 #else
-    if (ch != wxT('/'))
-        wxStrcat(buf, wxT("/"));
+        if (ch != wxT('/'))
+            buf << wxT("/");
 #endif
-    wxStrcat(buf, wxFileFunctionsBuffer);
-    return MYcopystring( wxRealPath(buf) );
-  }
-  return MYcopystring( wxFileFunctionsBuffer );
+        buf << wxFileFunctionsBuffer;
+        buf = wxRealPath( buf );
+        return MYcopystring( buf );
+    }
+    return MYcopystring( wxFileFunctionsBuffer );
 }
 
 /*-
@@ -546,7 +559,7 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
     while ((*d++ = *s) != 0) {
 #  ifndef __WXMSW__
         if (*s == wxT('\\')) {
-            if ((*(d - 1) = *++s)) {
+            if ((*(d - 1) = *++s)!=0) {
                 s++;
                 continue;
             } else
@@ -612,11 +625,14 @@ wxChar *wxExpandPath(wxChar *buf, const wxChar *name)
             nnm = *s ? s + 1 : s;
             *s = 0;
         // FIXME: wxGetUserHome could return temporary storage in Unicode mode
-            if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL) {
-               if (was_sep) /* replace only if it was there: */
-                   *s = SEP;
+            if ((home = WXSTRINGCAST wxGetUserHome(wxString(nm + 1))) == NULL)
+            {
+                if (was_sep) /* replace only if it was there: */
+                    *s = SEP;
                 s = NULL;
-            } else {
+            }
+            else
+            {
                 nm = nnm;
                 s = home;
             }
@@ -791,7 +807,7 @@ wxString wxPathOnly (const wxString& path)
         // Local copy
         wxStrcpy (buf, WXSTRINGCAST path);
 
-        int l = path.Length();
+        int l = path.length();
         int i = l - 1;
 
         // Search backward for a backward or forward slash
@@ -1094,8 +1110,19 @@ wxCopyFile (const wxString& file1, const wxString& file2, bool overwrite)
 }
 
 bool
-wxRenameFile (const wxString& file1, const wxString& file2)
+wxRenameFile(const wxString& file1, const wxString& file2, bool overwrite)
 {
+    if ( !overwrite && wxFileExists(file2) )
+    {
+        wxLogSysError
+        (
+            _("Failed to rename the file '%s' to '%s' because the destination file already exists."),
+            file1.c_str(), file2.c_str()
+        );
+
+        return false;
+    }
+
 #if !defined(__WXWINCE__) && !defined(__WXPALMOS__)
     // Normal system call
   if ( wxRename (file1, file2) == 0 )
@@ -1103,7 +1130,7 @@ wxRenameFile (const wxString& file1, const wxString& file2)
 #endif
 
   // Try to copy
-  if (wxCopyFile(file1, file2)) {
+  if (wxCopyFile(file1, file2, overwrite)) {
     wxRemoveFile(file1);
     return true;
   }
@@ -1151,6 +1178,7 @@ bool wxMkdir(const wxString& dir, int perm)
     if ( mkdir(wxFNCONV(dirname), perm) != 0 )
   #endif
 #elif defined(__OS2__)
+    wxUnusedVar(perm);
     if (::DosCreateDir((PSZ)dirname, NULL) != 0) // enhance for EAB's??
 #elif defined(__DOS__)
   #if defined(__WATCOMC__)
@@ -1228,7 +1256,13 @@ bool wxDirExists(const wxChar *pszPathName)
 
     return (ret != (DWORD)-1) && (ret & FILE_ATTRIBUTE_DIRECTORY);
 #elif defined(__OS2__)
-    return (::DosSetCurrentDir((PSZ)(WXSTRINGCAST strPath)));
+    FILESTATUS3 Info = {{0}};
+    APIRET rc = ::DosQueryPathInfo((PSZ)(WXSTRINGCAST strPath), FIL_STANDARD,
+                                   (void*) &Info, sizeof(FILESTATUS3));
+
+    return ((rc == NO_ERROR) && (Info.attrFile & FILE_DIRECTORY)) ||
+      (rc == ERROR_SHARING_VIOLATION);
+    // If we got a sharing violation, there must be something with this name.
 #else // !__WIN32__
 
     wxStructStat st;
@@ -1331,18 +1365,22 @@ wxString wxFindNextFile()
 
 
 // Get current working directory.
-// If buf is NULL, allocates space using new, else
-// copies into buf.
-wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
+// If buf is NULL, allocates space using new, else copies into buf.
+// wxGetWorkingDirectory() is obsolete, use wxGetCwd()
+// wxDoGetCwd() is their common core to be moved
+// to wxGetCwd() once wxGetWorkingDirectory() will be removed.
+// Do not expose wxDoGetCwd in headers!
+
+wxChar *wxDoGetCwd(wxChar *buf, int sz)
 {
 #if defined(__WXPALMOS__)
-    // TODO ?
-    return NULL;
+    // TODO
+    if(buf && sz>0) buf[0] = _T('\0');
+    return buf;
 #elif defined(__WXWINCE__)
     // TODO
-    wxUnusedVar(buf);
-    wxUnusedVar(sz);
-    return NULL;
+    if(buf && sz>0) buf[0] = _T('\0');
+    return buf;
 #else
     if ( !buf )
     {
@@ -1359,10 +1397,6 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
     bool needsANSI = true;
 
     #if !defined(HAVE_WGETCWD) || wxUSE_UNICODE_MSLU
-        // This is not legal code as the compiler
-        // is allowed destroy the wxCharBuffer.
-        // wxCharBuffer c_buffer(sz);
-        // char *cbuf = (char*)(const char*)c_buffer;
         char cbuf[_MAXPATHLEN];
     #endif
 
@@ -1406,7 +1440,7 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
                                       ,cbuf + 3
                                       ,(PULONG)&sz
                                      );
-            cbuf[0] = 'A' + (ulDriveNum - 1);
+            cbuf[0] = char('A' + (ulDriveNum - 1));
             cbuf[1] = ':';
             cbuf[2] = '\\';
             ok = rc == 0;
@@ -1448,7 +1482,13 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
 #if defined( __CYGWIN__ ) && defined( __WINDOWS__ )
         // another example of DOS/Unix mix (Cygwin)
         wxString pathUnix = buf;
+#if wxUSE_UNICODE
+        char bufA[_MAXPATHLEN];
+        cygwin_conv_to_full_win32_path(pathUnix.mb_str(wxConvFile), bufA);
+        wxConvFile.MB2WC(buf, bufA, sz);
+#else
         cygwin_conv_to_full_win32_path(pathUnix, buf);
+#endif // wxUSE_UNICODE
 #endif // __CYGWIN__
     }
 
@@ -1462,13 +1502,17 @@ wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
     // __WXWINCE__
 }
 
-wxString wxGetCwd()
+#if WXWIN_COMPATIBILITY_2_6
+wxChar *wxGetWorkingDirectory(wxChar *buf, int sz)
 {
-    wxChar *buffer = new wxChar[_MAXPATHLEN];
-    wxGetWorkingDirectory(buffer, _MAXPATHLEN);
-    wxString str( buffer );
-    delete [] buffer;
+    return wxDoGetCwd(buf,sz);
+}
+#endif // WXWIN_COMPATIBILITY_2_6
 
+wxString wxGetCwd()
+{
+    wxString str;
+    wxDoGetCwd(wxStringBuffer(str, _MAXPATHLEN), _MAXPATHLEN);
     return str;
 }
 
@@ -1594,44 +1638,11 @@ void WXDLLEXPORT wxSplitPath(const wxChar *pszFileName,
 
 time_t WXDLLEXPORT wxFileModificationTime(const wxString& filename)
 {
-#if defined(__WXPALMOS__)
-    return 0;
-#elif defined(__WXWINCE__)
-    FILETIME ftLastWrite;
-    AutoHANDLE hFile(::CreateFile(filename, GENERIC_READ, FILE_SHARE_READ,
-                                    NULL, 0, FILE_ATTRIBUTE_NORMAL, 0));
-
-    if ( !hFile.IsOk() )
-        return 0;
-
-    if ( !::GetFileTime(hFile, NULL, NULL, &ftLastWrite) )
-        return 0;
+    wxDateTime mtime;
+    if ( !wxFileName(filename).GetTimes(NULL, &mtime, NULL) )
+        return (time_t)-1;
 
-    // sure we want to translate to local time here?
-    FILETIME ftLocal;
-    if ( !::FileTimeToLocalFileTime(&ftLastWrite, &ftLocal) )
-    {
-        wxLogLastError(_T("FileTimeToLocalFileTime"));
-    }
-
-    // FILETIME is a counted in 100-ns since 1601-01-01, convert it to
-    // number of seconds since 1970-01-01
-    ULARGE_INTEGER uli;
-    uli.LowPart = ftLocal.dwLowDateTime;
-    uli.HighPart = ftLocal.dwHighDateTime;
-
-    ULONGLONG ull = uli.QuadPart;
-    ull /= wxULL(10000000);     // number of 100ns intervals in 1s
-    ull -= wxULL(11644473600);  // 1970-01-01 - 1601-01-01 in seconds
-
-    return wx_static_cast(time_t, ull);
-#else
-    wxStructStat buf;
-    if ( wxStat( filename, &buf) != 0 )
-        return 0;
-
-    return buf.st_mtime;
-#endif
+    return mtime.GetTicks();
 }
 
 
@@ -1773,127 +1784,109 @@ bool wxIsWild( const wxString& pattern )
 * Written By Douglas A. Lewis <dalewis@cs.Buffalo.EDU>
 *
 * The match procedure is public domain code (from ircII's reg.c)
+* but modified to suit our tastes (RN: No "%" syntax I guess)
 */
 
 bool wxMatchWild( const wxString& pat, const wxString& text, bool dot_special )
 {
-        if (text.empty())
+    if (text.empty())
+    {
+        /* Match if both are empty. */
+        return pat.empty();
+    }
+
+    const wxChar *m = pat.c_str(),
+    *n = text.c_str(),
+    *ma = NULL,
+    *na = NULL;
+    int just = 0,
+    acount = 0,
+    count = 0;
+
+    if (dot_special && (*n == wxT('.')))
+    {
+        /* Never match so that hidden Unix files
+         * are never found. */
+        return false;
+    }
+
+    for (;;)
+    {
+        if (*m == wxT('*'))
         {
-                /* Match if both are empty. */
-                return pat.empty();
+            ma = ++m;
+            na = n;
+            just = 1;
+            acount = count;
         }
-
-        const wxChar *m = pat.c_str(),
-        *n = text.c_str(),
-        *ma = NULL,
-        *na = NULL,
-        *mp = NULL,
-        *np = NULL;
-        int just = 0,
-        pcount = 0,
-        acount = 0,
-        count = 0;
-
-        if (dot_special && (*n == wxT('.')))
+        else if (*m == wxT('?'))
         {
-                /* Never match so that hidden Unix files
-                 * are never found. */
+            m++;
+            if (!*n++)
                 return false;
         }
-
-        for (;;)
+        else
         {
-                if (*m == wxT('*'))
-                {
-                        ma = ++m;
-                        na = n;
-                        just = 1;
-                        mp = NULL;
-                        acount = count;
-                }
-                else if (*m == wxT('?'))
+            if (*m == wxT('\\'))
+            {
+                m++;
+                /* Quoting "nothing" is a bad thing */
+                if (!*m)
+                    return false;
+            }
+            if (!*m)
+            {
+                /*
+                * If we are out of both strings or we just
+                * saw a wildcard, then we can say we have a
+                * match
+                */
+                if (!*n)
+                    return true;
+                if (just)
+                    return true;
+                just = 0;
+                goto not_matched;
+            }
+            /*
+            * We could check for *n == NULL at this point, but
+            * since it's more common to have a character there,
+            * check to see if they match first (m and n) and
+            * then if they don't match, THEN we can check for
+            * the NULL of n
+            */
+            just = 0;
+            if (*m == *n)
+            {
+                m++;
+                count++;
+                n++;
+            }
+            else
+            {
+
+                not_matched:
+
+                /*
+                * If there are no more characters in the
+                * string, but we still need to find another
+                * character (*m != NULL), then it will be
+                * impossible to match it
+                */
+                if (!*n)
+                    return false;
+
+                if (ma)
                 {
-                        m++;
-                        if (!*n++)
-                        return false;
+                    m = ma;
+                    n = ++na;
+                    count = acount;
                 }
                 else
-                {
-                        if (*m == wxT('\\'))
-                        {
-                                m++;
-                                /* Quoting "nothing" is a bad thing */
-                                if (!*m)
-                                return false;
-                        }
-                        if (!*m)
-                        {
-                                /*
-                                * If we are out of both strings or we just
-                                * saw a wildcard, then we can say we have a
-                                * match
-                                */
-                                if (!*n)
-                                return true;
-                                if (just)
-                                return true;
-                                just = 0;
-                                goto not_matched;
-                        }
-                        /*
-                        * We could check for *n == NULL at this point, but
-                        * since it's more common to have a character there,
-                        * check to see if they match first (m and n) and
-                        * then if they don't match, THEN we can check for
-                        * the NULL of n
-                        */
-                        just = 0;
-                        if (*m == *n)
-                        {
-                                m++;
-                                if (*n == wxT(' '))
-                                mp = NULL;
-                                count++;
-                                n++;
-                        }
-                        else
-                        {
-
-                                not_matched:
-
-                                /*
-                                * If there are no more characters in the
-                                * string, but we still need to find another
-                                * character (*m != NULL), then it will be
-                                * impossible to match it
-                                */
-                                if (!*n)
-                                return false;
-                                if (mp)
-                                {
-                                        m = mp;
-                                        if (*np == wxT(' '))
-                                        {
-                                                mp = NULL;
-                                                goto check_percent;
-                                        }
-                                        n = ++np;
-                                        count = pcount;
-                                }
-                                else
-                                check_percent:
-
-                                if (ma)
-                                {
-                                        m = ma;
-                                        n = ++na;
-                                        count = acount;
-                                }
-                                else
-                                return false;
-                        }
-                }
+                    return false;
+            }
         }
+    }
 }
 
 // Return the type of an open file
@@ -1959,12 +1952,11 @@ wxFileKind wxGetFileKind(FILE *fp)
 {
     // Note: The watcom rtl dll doesn't have fileno (the static lib does).
     //       Should be fixed in version 1.4.
-#if defined(wxFILEKIND_STUB) || \
-        (defined(__WATCOMC__) && __WATCOMC__ <= 1230 && defined(__SW_BR))
+#if defined(wxFILEKIND_STUB) || wxONLY_WATCOM_EARLIER_THAN(1,4)
     (void)fp;
     return wxFILE_KIND_DISK;
 #else
-    return wxGetFileKind(fileno(fp));
+    return fp ? wxGetFileKind(fileno(fp)) : wxFILE_KIND_UNKNOWN;
 #endif
 }