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[wxWidgets.git] / src / common / config.cpp

diff --git a/src/common/config.cpp b/src/common/config.cpp
index 36c7bcdde1afef3f1afa1b4394e5cdd29ae2de76..fc96bb57f6e5a423ea7296503739cc86f46dc621 100644 (file)
--- a/src/common/config.cpp
+++ b/src/common/config.cpp
@@ -1,106 +1,236 @@
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        config.cpp
 ///////////////////////////////////////////////////////////////////////////////
 // Name:        config.cpp

-// Purpose:     implementation of wxConfig class
+// Purpose:     implementation of wxConfigBase class

 // Author:      Vadim Zeitlin
 // Author:      Vadim Zeitlin

-// Modified by: 
+// Modified by:

 // Created:     07.04.98
 // RCS-ID:      $Id$
 // Created:     07.04.98
 // RCS-ID:      $Id$

-// Copyright:   (c) 1997 Karsten Ballüder   Ballueder@usa.net  
+// Copyright:   (c) 1997 Karsten Ballüder   Ballueder@usa.net

 //                       Vadim Zeitlin      <zeitlin@dptmaths.ens-cachan.fr>
 // Licence:     wxWindows license
 ///////////////////////////////////////////////////////////////////////////////
 
 //                       Vadim Zeitlin      <zeitlin@dptmaths.ens-cachan.fr>
 // Licence:     wxWindows license
 ///////////////////////////////////////////////////////////////////////////////
 

-// ============================================================================
-// declarations
-// ============================================================================
-

 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 #ifdef __GNUG__
 // ----------------------------------------------------------------------------
 // headers
 // ----------------------------------------------------------------------------
 #ifdef __GNUG__

-  #pragma implementation "config.h"
+    #pragma implementation "confbase.h"

 #endif
 
 #endif
 

-#include  "wx/wxprec.h"
+#include "wx/wxprec.h"

 
 #ifdef    __BORLANDC__
   #pragma hdrstop
 #endif  //__BORLANDC__
 
 
 #ifdef    __BORLANDC__
   #pragma hdrstop
 #endif  //__BORLANDC__
 

-#ifndef WX_PRECOMP
-  #include  <wx/string.h>
-  #include  <wx/intl.h>
-#endif //WX_PRECOMP
-
-#include  <wx/app.h>
-#include  <wx/file.h>
-#include  <wx/log.h>
-#include  <wx/textfile.h>
-#include  <wx/config.h>
-#include  <wx/fileconf.h>
-#include <stdlib.h>
+#if wxUSE_CONFIG && ((wxUSE_FILE && wxUSE_TEXTFILE) || defined(wxCONFIG_WIN32_NATIVE))

 
 

-#include  <ctype.h>       // for isalnum()
+#include "wx/app.h"
+#include "wx/file.h"
+#include "wx/log.h"
+#include "wx/textfile.h"
+#include "wx/utils.h"
+#include "wx/log.h"
+#include "wx/utils.h"
+#include "wx/intl.h"
+
+#include "wx/config.h"
+
+#include <stdlib.h>
+#include <math.h>
+#include <ctype.h>    // for isalnum()

 
 // ----------------------------------------------------------------------------
 // global and class static variables
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // global and class static variables
 // ----------------------------------------------------------------------------
 

-wxConfig *wxConfig::ms_pConfig = NULL;
+wxConfigBase *wxConfigBase::ms_pConfig     = NULL;
+bool          wxConfigBase::ms_bAutoCreate = TRUE;

 
 // ============================================================================
 // implementation
 // ============================================================================
 
 // ----------------------------------------------------------------------------
 
 // ============================================================================
 // implementation
 // ============================================================================
 
 // ----------------------------------------------------------------------------

-// wxConfig
+// wxConfigBase

 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------

-wxConfig::~wxConfig()
+
+// Not all args will always be used by derived classes, but
+// including them all in each class ensures compatibility.
+wxConfigBase::wxConfigBase(const wxString& appName, const wxString& vendorName,
+    const wxString& WXUNUSED(localFilename), const wxString& WXUNUSED(globalFilename), long style):
+        m_appName(appName), m_vendorName(vendorName), m_style(style)

 {
 {

+    m_bExpandEnvVars = TRUE; m_bRecordDefaults = FALSE;

 }
 
 }
 

-wxConfig *wxConfig::Set(wxConfig *pConfig)
+wxConfigBase *wxConfigBase::Set(wxConfigBase *pConfig)

 {
 {

-  wxConfig *pOld = ms_pConfig;
+  wxConfigBase *pOld = ms_pConfig;

   ms_pConfig = pConfig;
   return pOld;
 }
 
   ms_pConfig = pConfig;
   return pOld;
 }
 

-void wxConfig::Create()
+wxConfigBase *wxConfigBase::Create()

 {
 {

-  ms_pConfig = wxTheApp->CreateConfig();
+  if ( ms_bAutoCreate && ms_pConfig == NULL ) {
+    ms_pConfig =
+    #if defined(__WXMSW__) && defined(wxCONFIG_WIN32_NATIVE)
+      #ifdef __WIN32__
+        new wxRegConfig(wxTheApp->GetAppName(), wxTheApp->GetVendorName());
+      #else  //WIN16
+        new wxIniConfig(wxTheApp->GetAppName(), wxTheApp->GetVendorName());
+      #endif
+    #else // either we're under Unix or wish to use files even under Windows
+      new wxFileConfig(wxTheApp->GetAppName());
+    #endif
+  }
+
+  return ms_pConfig;

 }
 
 }
 

-const char *wxConfig::Read(const char *szKey, const char *szDefault) const
+wxString wxConfigBase::Read(const wxString& key, const wxString& defVal) const

 {
 {

-  static char s_szBuf[1024];

   wxString s;
   wxString s;

-  Read(&s, szKey, szDefault);
-  strncpy(s_szBuf, s, WXSIZEOF(s_szBuf));
+  Read(key, &s, defVal);
+  return s;
+}
+
+bool wxConfigBase::Read(const wxString& key, wxString *str, const wxString& defVal) const
+{
+    if (!Read(key, str))
+    {
+        *str = ExpandEnvVars(defVal);
+        return FALSE;
+    }
+    else
+        return TRUE;
+}
+
+bool wxConfigBase::Read(const wxString& key, long *pl, long defVal) const
+{
+    if (!Read(key, pl))
+    {
+        *pl = defVal;
+        return FALSE;
+    }
+    else
+        return TRUE;
+}
+
+bool wxConfigBase::Read(const wxString& key, double* val) const
+{
+    wxString str;
+    if (Read(key, & str))
+    {
+        *val = wxAtof(str);
+        return TRUE;
+    }
+    else
+        return FALSE;
+}
+
+bool wxConfigBase::Read(const wxString& key, double* val, double defVal) const
+{
+    if (!Read(key, val))
+    {
+        *val = defVal;
+        return FALSE;
+    }
+    else
+        return TRUE;
+}

 
 

-  return s_szBuf;
+bool wxConfigBase::Read(const wxString& key, bool* val) const
+{
+    long l;
+    if (Read(key, & l))
+    {
+        *val = (l != 0);
+        return TRUE;
+    }
+    else
+        return FALSE;
+}
+
+bool wxConfigBase::Read(const wxString& key, bool* val, bool defVal) const
+{
+    if (!Read(key, val))
+    {
+        *val = defVal;
+        return FALSE;
+    }
+    else
+        return TRUE;
+}
+
+// Convenience functions
+
+bool wxConfigBase::Read(const wxString& key, int *pi) const
+{
+    long l;
+    bool ret = Read(key, &l);
+    if (ret)
+        *pi = (int) l;
+    return ret;
+}
+
+bool wxConfigBase::Read(const wxString& key, int *pi, int defVal) const
+{
+    long l;
+    bool ret = Read(key, &l, (long) defVal);
+    *pi = (int) l;
+    return ret;
+}
+
+bool wxConfigBase::Write(const wxString& key, double val)
+{
+    wxString str;
+    str.Printf(_T("%f"), val);
+    return Write(key, str);
+}
+
+bool wxConfigBase::Write(const wxString& key, bool value)
+{
+    long l = (value ? 1 : 0);
+    return Write(key, l);
+}
+
+wxString wxConfigBase::ExpandEnvVars(const wxString& str) const
+{
+    wxString tmp; // Required for BC++
+    if (IsExpandingEnvVars())
+        tmp = wxExpandEnvVars(str);
+    else
+        tmp = str;
+    return tmp;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// Config::PathChanger
+// wxConfigPathChanger

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-wxConfig::PathChanger::PathChanger(const wxConfig *pContainer,
+wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer,

                                  const wxString& strEntry)
 {
                                  const wxString& strEntry)
 {

-  m_pContainer = (wxConfig *)pContainer;
-  wxString strPath = strEntry.Before(APPCONF_PATH_SEPARATOR);
+  m_pContainer = (wxConfigBase *)pContainer;
+
+  // the path is everything which precedes the last slash
+  wxString strPath = strEntry.BeforeLast(wxCONFIG_PATH_SEPARATOR);

 
 

-  // special case of "/keyname" when there is nothing before "/"
-  if ( strPath.IsEmpty() && strEntry[0] == APPCONF_PATH_SEPARATOR )
-    strPath = APPCONF_PATH_SEPARATOR;
+  // except in the special case of "/keyname" when there is nothing before "/"
+  if ( strPath.IsEmpty() &&
+       ((!strEntry.IsEmpty()) && strEntry[0] == wxCONFIG_PATH_SEPARATOR) )
+  {
+    strPath = wxCONFIG_PATH_SEPARATOR;
+  }

 
   if ( !strPath.IsEmpty() ) {
     // do change the path
     m_bChanged = TRUE;
 
   if ( !strPath.IsEmpty() ) {
     // do change the path
     m_bChanged = TRUE;

-    m_strName = strEntry.Right(APPCONF_PATH_SEPARATOR);
+    m_strName = strEntry.AfterLast(wxCONFIG_PATH_SEPARATOR);

     m_strOldPath = m_pContainer->GetPath();
     m_strOldPath = m_pContainer->GetPath();

-    m_strOldPath += APPCONF_PATH_SEPARATOR;
+    m_strOldPath += wxCONFIG_PATH_SEPARATOR;

     m_pContainer->SetPath(strPath);
   }
   else {
     m_pContainer->SetPath(strPath);
   }
   else {


@@ -110,7 +240,7 @@ wxConfig::PathChanger::PathChanger(const wxConfig *pContainer,
   }
 }
 
   }
 }
 

-wxConfig::PathChanger::~PathChanger()
+wxConfigPathChanger::~wxConfigPathChanger()

 {
   // only restore path if it was changed
   if ( m_bChanged ) {
 {
   // only restore path if it was changed
   if ( m_bChanged ) {


@@ -125,24 +255,25 @@ wxConfig::PathChanger::~PathChanger()
 // understands both Unix and Windows (but only under Windows) environment
 // variables expansion: i.e. $var, $(var) and ${var} are always understood
 // and in addition under Windows %var% is also.
 // understands both Unix and Windows (but only under Windows) environment
 // variables expansion: i.e. $var, $(var) and ${var} are always understood
 // and in addition under Windows %var% is also.

-wxString ExpandEnvVars(const wxString& str)
+wxString wxExpandEnvVars(const wxString& str)

 {
   wxString strResult;
 {
   wxString strResult;

+  strResult.Alloc(str.Len());

 
   // don't change the values the enum elements: they must be equal
   // to the matching [closing] delimiter.
   enum Bracket
 
   // don't change the values the enum elements: they must be equal
   // to the matching [closing] delimiter.
   enum Bracket

-  { 
-    Bracket_None, 
-    Bracket_Normal  = ')', 
-    Bracket_Curly   = '}',
+  {
+    Bracket_None,
+    Bracket_Normal  = ')',
+    Bracket_Curly   = '}'

 #ifdef  __WXMSW__
 #ifdef  __WXMSW__

-    Bracket_Windows = '%'     // yeah, Windows people are a bit strange ;-)
+    ,Bracket_Windows = '%'     // yeah, Windows people are a bit strange ;-)

 #endif
   };
 
 #endif
   };
 

-  uint m;
-  for ( uint n = 0; n < str.Len(); n++ ) {
+  size_t m;
+  for ( size_t n = 0; n < str.Len(); n++ ) {

     switch ( str[n] ) {
 #ifdef  __WXMSW__
       case '%':
     switch ( str[n] ) {
 #ifdef  __WXMSW__
       case '%':


@@ -160,8 +291,8 @@ wxString ExpandEnvVars(const wxString& str)
           }
           else {
             switch ( str[n + 1] ) {
           }
           else {
             switch ( str[n + 1] ) {

-              case '(': 
-                bracket = Bracket_Normal; 
+              case '(':
+                bracket = Bracket_Normal;

                 n++;                   // skip the bracket
                 break;
 
                 n++;                   // skip the bracket
                 break;
 


@@ -182,7 +313,7 @@ wxString ExpandEnvVars(const wxString& str)
 
           wxString strVarName(str.c_str() + n + 1, m - n - 1);
 
 
           wxString strVarName(str.c_str() + n + 1, m - n - 1);
 

-          const char *pszValue = getenv(strVarName);
+          const wxChar *pszValue = wxGetenv(strVarName);

           if ( pszValue != NULL ) {
             strResult += pszValue;
           }
           if ( pszValue != NULL ) {
             strResult += pszValue;
           }


@@ -199,11 +330,12 @@ wxString ExpandEnvVars(const wxString& str)
           // check the closing bracket
           if ( bracket != Bracket_None ) {
             if ( m == str.Len() || str[m] != (char)bracket ) {
           // check the closing bracket
           if ( bracket != Bracket_None ) {
             if ( m == str.Len() || str[m] != (char)bracket ) {

-              wxLogWarning("missing '%c' at position %d in '%s'.",
+              wxLogWarning(_("Environment variables expansion failed: "
+                            "missing '%c' at position %d in '%s'."),

                            (char)bracket, m + 1, str.c_str());
             }
             else {
                            (char)bracket, m + 1, str.c_str());
             }
             else {

-              // skip closing bracket
+              // skip closing bracket unless the variables wasn't expanded

               if ( pszValue == NULL )
                 strResult << (char)bracket;
               m++;
               if ( pszValue == NULL )
                 strResult << (char)bracket;
               m++;


@@ -214,6 +346,15 @@ wxString ExpandEnvVars(const wxString& str)
         }
         break;
 
         }
         break;
 

+      case '\\':
+        // backslash can be used to suppress special meaning of % and $
+        if ( n != str.Len() && (str[n + 1] == '%' || str[n + 1] == '$') ) {
+          strResult += str[++n];
+
+          break;
+        }
+        //else: fall through
+

       default:
         strResult += str[n];
     }
       default:
         strResult += str[n];
     }


@@ -223,21 +364,21 @@ wxString ExpandEnvVars(const wxString& str)
 }
 
 // this function is used to properly interpret '..' in path
 }
 
 // this function is used to properly interpret '..' in path

-void SplitPath(wxArrayString& aParts, const char *sz)
+void wxSplitPath(wxArrayString& aParts, const wxChar *sz)

 {
   aParts.Empty();
 
   wxString strCurrent;
 {
   aParts.Empty();
 
   wxString strCurrent;

-  const char *pc = sz;
+  const wxChar *pc = sz;

   for ( ;; ) {
   for ( ;; ) {

-    if ( *pc == '\0' || *pc == APPCONF_PATH_SEPARATOR ) {
-      if ( strCurrent == "." ) {
+    if ( *pc == _T('\0') || *pc == wxCONFIG_PATH_SEPARATOR ) {
+      if ( strCurrent == _T(".") ) {

         // ignore
       }
         // ignore
       }

-      else if ( strCurrent == ".." ) {
+      else if ( strCurrent == _T("..") ) {

         // go up one level
         if ( aParts.IsEmpty() )
         // go up one level
         if ( aParts.IsEmpty() )

-          wxLogWarning("'%s' has extra '..', ignored.", sz);
+          wxLogWarning(_("'%s' has extra '..', ignored."), sz);

         else
           aParts.Remove(aParts.Count() - 1);
 
         else
           aParts.Remove(aParts.Count() - 1);
 


@@ -250,7 +391,7 @@ void SplitPath(wxArrayString& aParts, const char *sz)
       //else:
         // could log an error here, but we prefer to ignore extra '/'
 
       //else:
         // could log an error here, but we prefer to ignore extra '/'
 

-      if ( *pc == '\0' )
+      if ( *pc == _T('\0') )

         return;
     }
     else
         return;
     }
     else


@@ -260,3 +401,5 @@ void SplitPath(wxArrayString& aParts, const char *sz)
   }
 }
 
   }
 }
 

+#endif // wxUSE_CONFIG
+