From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Thu, 12 Oct 2000 23:40:26 +0000 (+0000)
Subject: added QueryRawValue() to wxRegKey and test code for it in the sample
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/6dfec4b8d901b13f11745a1371083a0b8c1c6980

added QueryRawValue() to wxRegKey and test code for it in the sample


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@8543 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/include/wx/msw/registry.h b/include/wx/msw/registry.h
index 134267eef0..1a6bf68fcf 100644
--- a/include/wx/msw/registry.h
+++ b/include/wx/msw/registry.h
@@ -182,8 +182,14 @@ public:
 
     // set the string value
   bool  SetValue(const wxChar *szValue, const wxString& strValue);
-    // return the string value
-  bool  QueryValue(const wxChar *szValue, wxString& strValue) const;
+    // retrieve the string value
+  bool  QueryValue(const wxChar *szValue, wxString& strValue) const
+    { return QueryValue(szValue, strValue, FALSE); }
+    // retrieve raw string value
+  bool  QueryRawValue(const wxChar *szValue, wxString& strValue) const
+    { return QueryValue(szValue, strValue, TRUE); }
+    // retrieve either raw or expanded string value
+  bool  QueryValue(const wxChar *szValue, wxString& strValue, bool raw) const;
 
 #ifdef  __WIN32__
     // set the numeric value
diff --git a/samples/console/console.cpp b/samples/console/console.cpp
index e33f32e87c..7b1313c567 100644
--- a/samples/console/console.cpp
+++ b/samples/console/console.cpp
@@ -49,8 +49,9 @@
 //#define TEST_LONGLONG
 //#define TEST_MIME
 //#define TEST_INFO_FUNCTIONS
+#define TEST_REGISTRY
 //#define TEST_SOCKETS
-#define TEST_STREAMS
+//#define TEST_STREAMS
 //#define TEST_STRINGS
 //#define TEST_THREADS
 //#define TEST_TIMER
@@ -1054,6 +1055,87 @@ static void TestLongLongComparison()
 
 #endif // TEST_LONGLONG
 
+// ----------------------------------------------------------------------------
+// registry
+// ----------------------------------------------------------------------------
+
+// this is for MSW only
+#ifndef __WXMSW__
+    #undef TEST_REGISTRY
+#endif
+
+#ifdef TEST_REGISTRY
+
+#include <wx/msw/registry.h>
+
+// I chose this one because I liked its name, but it probably only exists under
+// NT
+static const wxChar *TESTKEY =
+    _T("HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\Control\\CrashControl");
+
+static void TestRegistryRead()
+{
+    puts("*** testing registry reading ***");
+
+    wxRegKey key(TESTKEY);
+    printf("The test key name is '%s'.\n", key.GetName().c_str());
+    if ( !key.Open() )
+    {
+        puts("ERROR: test key can't be opened, aborting test.");
+
+        return;
+    }
+
+    size_t nSubKeys, nValues;
+    if ( key.GetKeyInfo(&nSubKeys, NULL, &nValues, NULL) )
+    {
+        printf("It has %u subkeys and %u values.\n", nSubKeys, nValues);
+    }
+
+    printf("Enumerating values:\n");
+
+    long dummy;
+    wxString value;
+    bool cont = key.GetFirstValue(value, dummy);
+    while ( cont )
+    {
+        printf("Value '%s': type ", value.c_str());
+        switch ( key.GetValueType(value) )
+        {
+            case wxRegKey::Type_None:   printf("ERROR (none)"); break;
+            case wxRegKey::Type_String: printf("SZ"); break;
+            case wxRegKey::Type_Expand_String: printf("EXPAND_SZ"); break;
+            case wxRegKey::Type_Binary: printf("BINARY"); break;
+            case wxRegKey::Type_Dword: printf("DWORD"); break;
+            case wxRegKey::Type_Multi_String: printf("MULTI_SZ"); break;
+            default: printf("other (unknown)"); break;
+        }
+
+        printf(", value = ");
+        if ( key.IsNumericValue(value) )
+        {
+            long val;
+            key.QueryValue(value, &val);
+            printf("%ld", val);
+        }
+        else // string
+        {
+            wxString val;
+            key.QueryValue(value, val);
+            printf("'%s'", val.c_str());
+
+            key.QueryRawValue(value, val);
+            printf(" (raw value '%s')", val.c_str());
+        }
+
+        putchar('\n');
+
+        cont = key.GetNextValue(value, dummy);
+    }
+}
+
+#endif // TEST_REGISTRY
+
 // ----------------------------------------------------------------------------
 // sockets
 // ----------------------------------------------------------------------------
@@ -3612,6 +3694,10 @@ int main(int argc, char **argv)
     TestUserInfo();
 #endif // TEST_INFO_FUNCTIONS
 
+#ifdef TEST_REGISTRY
+    TestRegistryRead();
+#endif // TEST_REGISTRY
+
 #ifdef TEST_SOCKETS
     if ( 0 )
     {
diff --git a/src/msw/registry.cpp b/src/msw/registry.cpp
index a761867e7d..c67b5ba3d5 100644
--- a/src/msw/registry.cpp
+++ b/src/msw/registry.cpp
@@ -27,7 +27,6 @@
 #include  "wx/string.h"
 #include  "wx/intl.h"
 #include  "wx/log.h"
-#include  "wx/config.h"    // for wxExpandEnvVars
 
 #ifndef __WIN16__
 
@@ -316,6 +315,9 @@ bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
     #define REG_PARAM   (LPDWORD)
 #endif
 
+  // it might be unexpected to some that this function doesn't open the key
+  wxASSERT_MSG( IsOpened(), _T("key should be opened in GetKeyInfo") );
+
   m_dwLastError = ::RegQueryInfoKey
                   (
                     (HKEY) m_hKey,
@@ -343,8 +345,8 @@ bool wxRegKey::GetKeyInfo(size_t *pnSubKeys,
                   GetName().c_str());
     return FALSE;
   }
-  else
-    return TRUE;
+
+  return TRUE;
 #else // Win16
   wxFAIL_MSG("GetKeyInfo() not implemented");
 
@@ -823,7 +825,9 @@ bool wxRegKey::QueryValue(const wxChar *szValue, long *plValue) const
 
 #endif  //Win32
 
-bool wxRegKey::QueryValue(const wxChar *szValue, wxString& strValue) const
+bool wxRegKey::QueryValue(const wxChar *szValue,
+                          wxString& strValue,
+                          bool raw) const
 {
   if ( CONST_CAST Open() ) {
     #ifdef  __WIN32__
@@ -846,6 +850,30 @@ bool wxRegKey::QueryValue(const wxChar *szValue, wxString& strValue) const
                                             pBuf,
                                             &dwSize);
             strValue.UngetWriteBuf();
+
+            // expand the var expansions in the string unless disabled
+            if ( (dwType == REG_EXPAND_SZ) && !raw )
+            {
+                DWORD dwExpSize = ::ExpandEnvironmentStrings(strValue, NULL, 0);
+                bool ok = dwExpSize != 0;
+                if ( ok )
+                {
+                    wxString strExpValue;
+                    ok = ::ExpandEnvironmentStrings
+                           (
+                            strValue,
+                            strExpValue.GetWriteBuf(dwExpSize),
+                            dwExpSize
+                           ) != 0;
+                    strExpValue.UngetWriteBuf();
+                    strValue = strExpValue;
+                }
+
+                if ( !ok )
+                {
+                    wxLogLastError(_T("ExpandEnvironmentStrings"));
+                }
+            }
         }
 
         if ( m_dwLastError == ERROR_SUCCESS ) {
diff --git a/wxBase.dsp b/wxBase.dsp
index 9cea60da62..d1819fe8f0 100644
--- a/wxBase.dsp
+++ b/wxBase.dsp
@@ -41,7 +41,7 @@ RSC=rc.exe
 # PROP Intermediate_Dir "BaseRelease"
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /MD /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MT" /YX /FD /c
-# ADD CPP /nologo /MD /W4 /Zi /O2 /I "$(wx)\include" /I "$(wx)\src\zlib" /D "NDEBUG" /D wxUSE_GUI=0 /D WIN95=1 /D "__WIN95__" /D "WIN32" /D "_WIN32" /D WINVER=0x400 /D "__WINDOWS__" /D "__WXMSW__" /D "__WIN32__" /D "_MT" /Yu"wx/wxprec.h" /FD /c
+# ADD CPP /nologo /MD /W4 /Zi /O2 /I "include" /I "src\zlib" /D "NDEBUG" /D wxUSE_GUI=0 /D WIN95=1 /D "__WIN95__" /D "WIN32" /D "_WIN32" /D WINVER=0x400 /D "__WINDOWS__" /D "__WXMSW__" /D "__WIN32__" /D "_MT" /Yu"wx/wxprec.h" /FD /c
 # ADD BASE RSC /l 0x409
 # ADD RSC /l 0x409
 BSC32=bscmake.exe
@@ -64,7 +64,7 @@ LIB32=link.exe -lib
 # PROP Intermediate_Dir "BaseDebug"
 # PROP Target_Dir ""
 # ADD BASE CPP /nologo /MD /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MT" /YX /FD /c
-# ADD CPP /nologo /MDd /W4 /Zi /Od /I "$(wx)\include" /I "$(wx)\src\zlib" /D "_DEBUG" /D DEBUG=1 /D WXDEBUG=1 /D "__WXDEBUG__" /D wxUSE_GUI=0 /D "__WIN95__" /D "WIN32" /D "_WIN32" /D WINVER=0x400 /D "__WINDOWS__" /D "__WIN32__" /D "__WXMSW__" /D "_MT" /Fr /Yu"wx/wxprec.h" /FD /c
+# ADD CPP /nologo /MDd /W4 /Zi /Od /I "include" /I "src\zlib" /D "_DEBUG" /D DEBUG=1 /D WXDEBUG=1 /D "__WXDEBUG__" /D wxUSE_GUI=0 /D "__WIN95__" /D "WIN32" /D "_WIN32" /D WINVER=0x400 /D "__WINDOWS__" /D "__WIN32__" /D "__WXMSW__" /D "_MT" /Fr /Yu"wx/wxprec.h" /FD /c
 # ADD BASE RSC /l 0x409
 # ADD RSC /l 0x409
 BSC32=bscmake.exe
@@ -80,13 +80,6 @@ LIB32=link.exe -lib
 
 # Name "wxBase - Win32 Release"
 # Name "wxBase - Win32 Debug"
-
-# PROP Default_Filter ""
-# Begin Source File
-
-SOURCE=.\src\msw\dummy.cpp
-# ADD CPP /Yc"wx/wxprec.h"
-# End Source File
 # Begin Source File
 
 SOURCE=.\src\common\appcmn.cpp
@@ -109,6 +102,19 @@ SOURCE=.\src\common\datstrm.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\src\msw\dde.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\src\msw\dir.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\src\msw\dummy.cpp
+# ADD CPP /Yc"wx/wxprec.h"
+# End Source File
+# Begin Source File
+
 SOURCE=.\src\common\dynarray.cpp
 # End Source File
 # Begin Source File
@@ -125,6 +131,11 @@ SOURCE=.\src\common\event.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\src\common\extended.c
+# SUBTRACT CPP /YX /Yc /Yu
+# End Source File
+# Begin Source File
+
 SOURCE=.\src\common\ffile.cpp
 # End Source File
 # Begin Source File
@@ -165,6 +176,16 @@ SOURCE=.\src\common\ftp.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\src\msw\gsocket.c
+# SUBTRACT CPP /YX /Yc /Yu
+# End Source File
+# Begin Source File
+
+SOURCE=.\src\msw\gsockmsw.c
+# SUBTRACT CPP /YX /Yc /Yu
+# End Source File
+# Begin Source File
+
 SOURCE=.\src\common\hash.cpp
 # End Source File
 # Begin Source File
@@ -173,6 +194,10 @@ SOURCE=.\src\common\http.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\src\common\init.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\src\common\intl.cpp
 # End Source File
 # Begin Source File
@@ -193,10 +218,18 @@ SOURCE=.\src\common\longlong.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\src\msw\main.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\src\common\mimecmn.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\src\msw\mimetype.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\src\common\module.cpp
 # End Source File
 # Begin Source File
@@ -221,6 +254,14 @@ SOURCE=.\src\common\protocol.cpp
 # End Source File
 # Begin Source File
 
+SOURCE=.\src\msw\regconf.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\src\msw\registry.cpp
+# End Source File
+# Begin Source File
+
 SOURCE=.\src\common\sckaddr.cpp
 # End Source File
 # Begin Source File
@@ -261,124 +302,65 @@ SOURCE=.\src\common\textfile.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\common\timercmn.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\src\common\tokenzr.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\src\common\txtstrm.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\src\common\url.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\src\common\utilscmn.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\src\common\variant.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\src\common\wfstream.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\src\common\wxchar.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\src\common\zipstrm.cpp
-# End Source File
-# Begin Source File
-
-SOURCE=.\src\common\zstream.cpp
+SOURCE=.\src\msw\thread.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\common\init.cpp
-# End Source File
-
-# Begin Source File
-
-SOURCE=.\src\msw\dde.cpp
+SOURCE=.\src\common\timercmn.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\msw\dir.cpp
+SOURCE=.\src\common\tokenzr.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\msw\main.cpp
+SOURCE=.\src\common\txtstrm.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\msw\mimetype.cpp
+SOURCE=.\src\common\unzip.c
+# SUBTRACT CPP /YX /Yc /Yu
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\msw\regconf.cpp
+SOURCE=.\src\common\url.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\msw\registry.cpp
+SOURCE=.\src\msw\utils.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\msw\thread.cpp
+SOURCE=.\src\common\utilscmn.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\msw\utils.cpp
+SOURCE=.\src\msw\utilsexc.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\msw\utilsexc.cpp
+SOURCE=.\src\common\variant.cpp
 # End Source File
-
 # Begin Source File
 
-SOURCE=.\src\common\extended.c
-# SUBTRACT CPP /YX /Yc /Yu
+SOURCE=.\src\common\wfstream.cpp
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\common\unzip.c
-# SUBTRACT CPP /YX /Yc /Yu
+SOURCE=.\src\common\wxchar.cpp
 # End Source File
-
 # Begin Source File
 
-SOURCE=.\src\msw\gsocket.c
-# SUBTRACT CPP /YX /Yc /Yu
+SOURCE=.\src\common\y_tab.c
+# PROP Exclude_From_Build 1
 # End Source File
 # Begin Source File
 
-SOURCE=.\src\msw\gsockmsw.c
-# SUBTRACT CPP /YX /Yc /Yu
+SOURCE=.\src\common\zipstrm.cpp
 # End Source File
-
-
 # Begin Source File
 
-SOURCE=.\src\common\y_tab.c
-
-!IF  "$(CFG)" == "wxBase - Win32 Release"
-
-# SUBTRACT CPP /YX /Yc /Yu
-
-!ELSEIF  "$(CFG)" == "wxBase - Win32 Debug"
-
-# ADD CPP /W1
-# SUBTRACT CPP /YX /Yc /Yu
-
-!ENDIF 
-
+SOURCE=.\src\common\zstream.cpp
 # End Source File
 # End Target
 # End Project