X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6f94aa869d07fd18ed16f8bb237f13fed2da6185..f5766910b6731eb03e82371416e9778203396ce7:/src/msw/registry.cpp?ds=sidebyside

diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp
index 2607a3f2c7..ff832de32d 100644
--- a/src/msw/registry.cpp
+++ b/src/msw/registry.cpp
@@ -1,5 +1,5 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        msw/registry.cpp
+// Name:        src/msw/registry.cpp
 // Purpose:     implementation of registry classes and functions
 // Author:      Vadim Zeitlin
 // Modified by:
@@ -12,27 +12,24 @@
 //              - add high level functions (RegisterOleServer, ...)
 ///////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "registry.h"
-#endif
-
 // for compilers that support precompilation, includes "wx.h".
 #include  "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-// other wxWidgets headers
-#include  "wx/string.h"
-#include  "wx/intl.h"
-#include  "wx/log.h"
-#include  "wx/file.h"
-#include  "wx/wfstream.h"
+#ifndef WX_PRECOMP
+    #include "wx/msw/wrapwin.h"
+    #include "wx/string.h"
+    #include "wx/intl.h"
+    #include "wx/log.h"
+#endif
 
-// Windows headers
-#include  "wx/msw/wrapwin.h"
+#include "wx/file.h"
+#include "wx/wfstream.h"
 
+// Windows headers
 #ifdef __WXWINCE__
 #include "wx/msw/private.h"
 #include <winbase.h>
@@ -146,12 +143,10 @@ wxRegKey::StdKey wxRegKey::ExtractKeyName(wxString& strKey)
 {
   wxString strRoot = strKey.BeforeFirst(REG_SEPARATOR);
 
-  HKEY hRootKey = 0;
   size_t ui;
   for ( ui = 0; ui < nStdKeys; ui++ ) {
     if ( strRoot.CmpNoCase(aStdKeys[ui].szName) == 0 ||
          strRoot.CmpNoCase(aStdKeys[ui].szShortName) == 0 ) {
-      hRootKey = aStdKeys[ui].hkey;
       break;
     }
   }
@@ -159,21 +154,21 @@ wxRegKey::StdKey wxRegKey::ExtractKeyName(wxString& strKey)
   if ( ui == nStdKeys ) {
     wxFAIL_MSG(wxT("invalid key prefix in wxRegKey::ExtractKeyName."));
 
-    hRootKey = HKEY_CLASSES_ROOT;
+    ui = HKCR;
   }
   else {
     strKey = strKey.After(REG_SEPARATOR);
-    if ( !strKey.IsEmpty() && strKey.Last() == REG_SEPARATOR )
+    if ( !strKey.empty() && strKey.Last() == REG_SEPARATOR )
       strKey.Truncate(strKey.Len() - 1);
   }
 
-  return (wxRegKey::StdKey)(int)hRootKey;
+  return (StdKey)ui;
 }
 
 wxRegKey::StdKey wxRegKey::GetStdKeyFromHkey(WXHKEY hkey)
 {
   for ( size_t ui = 0; ui < nStdKeys; ui++ ) {
-    if ( (int) aStdKeys[ui].hkey == (int) hkey )
+    if ( aStdKeys[ui].hkey == (HKEY)hkey )
       return (StdKey)ui;
   }
 
@@ -214,8 +209,8 @@ wxRegKey::wxRegKey(const wxRegKey& keyParent, const wxString& strKey)
         : m_strKey(keyParent.m_strKey)
 {
   // combine our name with parent's to get the full name
-  if ( !m_strKey.IsEmpty() &&
-       (strKey.IsEmpty() || strKey[0] != REG_SEPARATOR) ) {
+  if ( !m_strKey.empty() &&
+       (strKey.empty() || strKey[0] != REG_SEPARATOR) ) {
       m_strKey += REG_SEPARATOR;
   }
 
@@ -270,7 +265,7 @@ void wxRegKey::SetName(const wxRegKey& keyParent, const wxString& strKey)
   //     next line!
   m_strKey.clear();
   m_strKey += keyParent.m_strKey;
-  if ( !strKey.IsEmpty() && strKey[0] != REG_SEPARATOR )
+  if ( !strKey.empty() && strKey[0] != REG_SEPARATOR )
     m_strKey += REG_SEPARATOR;
   m_strKey += strKey;
 
@@ -304,7 +299,7 @@ wxString wxRegKey::GetName(bool bShortPrefix) const
   StdKey key = GetStdKeyFromHkey((WXHKEY) m_hRootKey);
   wxString str = bShortPrefix ? aStdKeys[key].szShortName
                               : aStdKeys[key].szName;
-  if ( !m_strKey.IsEmpty() )
+  if ( !m_strKey.empty() )
     str << _T("\\") << m_strKey;
 
   return str;
@@ -523,7 +518,7 @@ bool wxRegKey::CopyValue(const wxChar *szValue,
 
 bool wxRegKey::Rename(const wxChar *szNewName)
 {
-    wxCHECK_MSG( !m_strKey.IsEmpty(), false, _T("registry hives can't be renamed") );
+    wxCHECK_MSG( !m_strKey.empty(), false, _T("registry hives can't be renamed") );
 
     if ( !Exists() ) {
         wxLogError(_("Registry key '%s' does not exist, cannot rename it."),
@@ -541,7 +536,7 @@ bool wxRegKey::Rename(const wxChar *szNewName)
     if ( inSameHive ) {
         // rename the key to the new name under the same parent
         wxString strKey = m_strKey.BeforeLast(REG_SEPARATOR);
-        if ( !strKey.IsEmpty() ) {
+        if ( !strKey.empty() ) {
             // don't add '\\' in the start if strFullNewName is empty
             strKey += REG_SEPARATOR;
         }
@@ -655,7 +650,7 @@ bool wxRegKey::DeleteSelf()
   // prevent a buggy program from erasing one of the root registry keys or an
   // immediate subkey (i.e. one which doesn't have '\\' inside) of any other
   // key except HKCR (HKCR has some "deleteable" subkeys)
-  if ( m_strKey.IsEmpty() ||
+  if ( m_strKey.empty() ||
        ((m_hRootKey != (WXHKEY) aStdKeys[HKCR].hkey) &&
         (m_strKey.Find(REG_SEPARATOR) == wxNOT_FOUND)) ) {
       wxLogError(_("Registry key '%s' is needed for normal system operation,\ndeleting it will leave your system in unusable state:\noperation aborted."),
@@ -710,20 +705,21 @@ bool wxRegKey::DeleteKey(const wxChar *szKey)
 
 bool wxRegKey::DeleteValue(const wxChar *szValue)
 {
-  if ( !Open() )
-    return false;
+    if ( !Open() )
+        return false;
 
     m_dwLastError = RegDeleteValue((HKEY) m_hKey, WXSTRINGCAST szValue);
 
     // deleting a value which doesn't exist is not considered an error
     if ( (m_dwLastError != ERROR_SUCCESS) &&
-         (m_dwLastError != ERROR_FILE_NOT_FOUND) ) {
-      wxLogSysError(m_dwLastError, _("Can't delete value '%s' from key '%s'"),
-                    szValue, GetName().c_str());
-      return false;
+         (m_dwLastError != ERROR_FILE_NOT_FOUND) )
+    {
+        wxLogSysError(m_dwLastError, _("Can't delete value '%s' from key '%s'"),
+                      szValue, GetName().c_str());
+        return false;
     }
 
-  return true;
+    return true;
 }
 
 // ----------------------------------------------------------------------------
@@ -733,8 +729,8 @@ bool wxRegKey::DeleteValue(const wxChar *szValue)
 // return true if value exists
 bool wxRegKey::HasValue(const wxChar *szValue) const
 {
-  // this function should be silent, so suppress possible messages from Open()
-  wxLogNull nolog;
+    // this function should be silent, so suppress possible messages from Open()
+    wxLogNull nolog;
 
     if ( !CONST_CAST Open(Read) )
         return false;
@@ -858,7 +854,7 @@ bool wxRegKey::SetValue(const wxChar *szValue,const wxMemoryBuffer& buffer)
 
 bool wxRegKey::QueryValue(const wxChar *szValue, wxMemoryBuffer& buffer) const
 {
-  if ( CONST_CAST Open() ) {
+  if ( CONST_CAST Open(Read) ) {
     // first get the type and size of the data
     DWORD dwType, dwSize;
     m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
@@ -894,70 +890,71 @@ bool wxRegKey::QueryValue(const wxChar *szValue, wxMemoryBuffer& buffer) const
 
 bool wxRegKey::QueryValue(const wxChar *szValue,
                           wxString& strValue,
-                          bool raw) const
+                          bool WXUNUSED_IN_WINCE(raw)) const
 {
-  if ( CONST_CAST Open(Read) ) {
-
-      // first get the type and size of the data
-      DWORD dwType, dwSize;
-      m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
-                                      &dwType, NULL, &dwSize);
-      if ( m_dwLastError == ERROR_SUCCESS ) {
-        if ( !dwSize ) {
-            // must treat this case specially as GetWriteBuf() doesn't like
-            // being called with 0 size
-            strValue.Empty();
-        }
-        else {
-            m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
-                                            WXSTRINGCAST szValue,
-                                            RESERVED,
-                                            &dwType,
-                                            (RegString)(wxChar*)wxStringBuffer(strValue, dwSize),
-                                            &dwSize);
+    if ( CONST_CAST Open(Read) )
+    {
 
-            // expand the var expansions in the string unless disabled
-#ifndef __WXWINCE__
-            if ( (dwType == REG_EXPAND_SZ) && !raw )
+        // first get the type and size of the data
+        DWORD dwType=REG_NONE, dwSize=0;
+        m_dwLastError = RegQueryValueEx((HKEY) m_hKey, WXSTRINGCAST szValue, RESERVED,
+                                        &dwType, NULL, &dwSize);
+        if ( m_dwLastError == ERROR_SUCCESS )
+        {
+            if ( !dwSize )
+            {
+                // must treat this case specially as GetWriteBuf() doesn't like
+                // being called with 0 size
+                strValue.Empty();
+            }
+            else
             {
-                DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue, NULL, 0);
-                bool ok = dwExpSize != 0;
-                if ( ok )
+                m_dwLastError = RegQueryValueEx((HKEY) m_hKey,
+                                                WXSTRINGCAST szValue,
+                                                RESERVED,
+                                                &dwType,
+                                                (RegString)(wxChar*)wxStringBuffer(strValue, dwSize),
+                                                &dwSize);
+
+                // expand the var expansions in the string unless disabled
+#ifndef __WXWINCE__
+                if ( (dwType == REG_EXPAND_SZ) && !raw )
                 {
-                    wxString strExpValue;
-                    ok = ::ExpandEnvironmentStrings
-                           (
-                            strValue,
-                            wxStringBuffer(strExpValue, dwExpSize),
-                            dwExpSize
-                           ) != 0;
-                    strValue = strExpValue;
-                }
+                    DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue, NULL, 0);
+                    bool ok = dwExpSize != 0;
+                    if ( ok )
+                    {
+                        wxString strExpValue;
+                        ok = ::ExpandEnvironmentStrings(strValue,
+                                                        wxStringBuffer(strExpValue, dwExpSize),
+                                                        dwExpSize
+                                                        ) != 0;
+                        strValue = strExpValue;
+                    }
 
-                if ( !ok )
-                {
-                    wxLogLastError(_T("ExpandEnvironmentStrings"));
+                    if ( !ok )
+                    {
+                        wxLogLastError(_T("ExpandEnvironmentStrings"));
+                    }
                 }
-            }
-#else
-  wxUnusedVar(raw);
 #endif
-            // __WXWINCE__
-        }
+                // __WXWINCE__
+            }
 
-        if ( m_dwLastError == ERROR_SUCCESS ) {
-          // check that it was the right type
-          wxASSERT_MSG( !IsNumericValue(szValue),
-                        wxT("Type mismatch in wxRegKey::QueryValue().") );
+            if ( m_dwLastError == ERROR_SUCCESS )
+            {
+                // check that it was the right type
+                wxASSERT_MSG( !IsNumericValue(szValue),
+                              wxT("Type mismatch in wxRegKey::QueryValue().") );
 
-          return true;
+              return true;
+            }
         }
-      }
-  }
+    }
 
-  wxLogSysError(m_dwLastError, _("Can't read value of '%s'"),
-                GetFullName(this, szValue));
-  return false;
+    wxLogSysError(m_dwLastError, _("Can't read value of '%s'"),
+                  GetFullName(this, szValue));
+    return false;
 }
 
 bool wxRegKey::SetValue(const wxChar *szValue, const wxString& strValue)
@@ -1096,6 +1093,8 @@ bool wxRegKey::IsNumericValue(const wxChar *szValue) const
 // exporting registry keys to file
 // ----------------------------------------------------------------------------
 
+#if wxUSE_STREAMS
+
 // helper functions for writing ASCII strings (even in Unicode build)
 static inline bool WriteAsciiChar(wxOutputStream& ostr, char ch)
 {
@@ -1126,8 +1125,11 @@ static inline bool WriteAsciiString(wxOutputStream& ostr, const wxString& s)
     return ostr.IsOk();
 }
 
+#endif // wxUSE_STREAMS
+
 bool wxRegKey::Export(const wxString& filename) const
 {
+#if wxUSE_FFILE && wxUSE_STREAMS
     if ( wxFile::Exists(filename) )
     {
         wxLogError(_("Exporting registry key: file \"%s\" already exists and won't be overwritten."),
@@ -1138,8 +1140,13 @@ bool wxRegKey::Export(const wxString& filename) const
     wxFFileOutputStream ostr(filename, _T("w"));
 
     return ostr.Ok() && Export(ostr);
+#else
+    wxUnusedVar(filename);
+    return false;
+#endif
 }
 
+#if wxUSE_STREAMS
 bool wxRegKey::Export(wxOutputStream& ostr) const
 {
     // write out the header
@@ -1148,6 +1155,7 @@ bool wxRegKey::Export(wxOutputStream& ostr) const
 
     return DoExport(ostr);
 }
+#endif // wxUSE_STREAMS
 
 static
 wxString
@@ -1278,6 +1286,8 @@ wxString wxRegKey::FormatValue(const wxString& name) const
     return rhs;
 }
 
+#if wxUSE_STREAMS
+
 bool wxRegKey::DoExportValue(wxOutputStream& ostr, const wxString& name) const
 {
     // first examine the value type: if it's unsupported, simply skip it
@@ -1357,6 +1367,8 @@ bool wxRegKey::DoExport(wxOutputStream& ostr) const
     return true;
 }
 
+#endif // wxUSE_STREAMS
+
 // ============================================================================
 // implementation of global private functions
 // ============================================================================
@@ -1397,7 +1409,6 @@ const wxChar *GetFullName(const wxRegKey *pKey, const wxChar *szValue)
 
 void RemoveTrailingSeparator(wxString& str)
 {
-  if ( !str.IsEmpty() && str.Last() == REG_SEPARATOR )
+  if ( !str.empty() && str.Last() == REG_SEPARATOR )
     str.Truncate(str.Len() - 1);
 }
-