///////////////////////////////////////////////////////////////////////////////
-// Name: confbase.h
+// Name: wx/confbase.h
// Purpose: declaration of the base class of all config implementations
// (see also: fileconf.h and msw/regconf.h and iniconf.h)
-// Author: Karsten Ballüder & Vadim Zeitlin
+// Author: Karsten Ballueder & Vadim Zeitlin
// Modified by:
// Created: 07.04.98 (adapted from appconf.h)
// RCS-ID: $Id$
-// Copyright: (c) 1997 Karsten Ballüder Ballueder@usa.net
+// Copyright: (c) 1997 Karsten Ballueder Ballueder@usa.net
// Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-#ifndef _WX_CONFBASE_H_
-#define _WX_CONFBASE_H_
-
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "confbase.h"
-#endif
+#ifndef _WX_CONFBASE_H_
+#define _WX_CONFBASE_H_
#include "wx/defs.h"
#include "wx/string.h"
+#include "wx/object.h"
+#include "wx/base64.h"
-class WXDLLIMPEXP_BASE wxArrayString;
+class WXDLLIMPEXP_FWD_BASE wxArrayString;
// ----------------------------------------------------------------------------
// constants
/// separates group and entry names (probably shouldn't be changed)
#ifndef wxCONFIG_PATH_SEPARATOR
- #define wxCONFIG_PATH_SEPARATOR _T('/')
+ #define wxCONFIG_PATH_SEPARATOR wxT('/')
#endif
/// introduces immutable entries
// (i.e. the ones which can't be changed from the local config file)
#ifndef wxCONFIG_IMMUTABLE_PREFIX
- #define wxCONFIG_IMMUTABLE_PREFIX _T('!')
+ #define wxCONFIG_IMMUTABLE_PREFIX wxT('!')
#endif
#if wxUSE_CONFIG
-#include "wx/string.h"
-
/// should we use registry instead of configuration files under Windows?
// (i.e. whether wxConfigBase::Create() will create a wxFileConfig (if it's
// false) or wxRegConfig (if it's true and we're under Win32))
#define wxUSE_CONFIG_NATIVE 1
#endif
+// not all compilers can deal with template Read/Write() methods, define this
+// symbol if the template functions are available
+#if (!defined(__VISUALC__) || __VISUALC__ > 1200) && \
+ !defined( __VMS ) && \
+ !(defined(__HP_aCC) && defined(__hppa)) && \
+ !defined (__DMC__)
+ #define wxHAS_CONFIG_TEMPLATE_RW
+#endif
+
// Style flags for constructor style parameter
enum
{
wxCONFIG_USE_LOCAL_FILE = 1,
wxCONFIG_USE_GLOBAL_FILE = 2,
wxCONFIG_USE_RELATIVE_PATH = 4,
- wxCONFIG_USE_NO_ESCAPE_CHARACTERS = 8
+ wxCONFIG_USE_NO_ESCAPE_CHARACTERS = 8,
+ wxCONFIG_USE_SUBDIR = 16
};
// ----------------------------------------------------------------------------
// abstract base class wxConfigBase which defines the interface for derived
// classes
//
-// wxConfig organizes the items in a tree-like structure (modeled after the
+// wxConfig organizes the items in a tree-like structure (modelled after the
// Unix/Dos filesystem). There are groups (directories) and keys (files).
// There is always one current group given by the current path.
//
// (long) type (TODO doubles and other types such as wxDate coming soon).
// ----------------------------------------------------------------------------
-class WXDLLIMPEXP_BASE wxConfigBase
+class WXDLLIMPEXP_BASE wxConfigBase : public wxObject
{
public:
// constants
bool Read(const wxString& key, long *pl) const;
bool Read(const wxString& key, long *pl, long defVal) const;
- // read an int
+ // read an int (wrapper around `long' version)
bool Read(const wxString& key, int *pi) const;
bool Read(const wxString& key, int *pi, int defVal) const;
bool Read(const wxString& key, double* val) const;
bool Read(const wxString& key, double* val, double defVal) const;
+ // read a float
+ bool Read(const wxString& key, float* val) const;
+ bool Read(const wxString& key, float* val, float defVal) const;
+
// read a bool
bool Read(const wxString& key, bool* val) const;
bool Read(const wxString& key, bool* val, bool defVal) const;
- // convenience functions returning directly the value (we don't have them for
- // int/double/bool as there would be ambiguities with the long one then)
+#if wxUSE_BASE64
+ // read a binary data block
+ bool Read(const wxString& key, wxMemoryBuffer* data) const
+ { return DoReadBinary(key, data); }
+ // no default version since it does not make sense for binary data
+#endif // wxUSE_BASE64
+
+#ifdef wxHAS_CONFIG_TEMPLATE_RW
+ // read other types, for which wxFromString is defined
+ template <typename T>
+ bool Read(const wxString& key, T* value) const
+ {
+ wxString s;
+ if ( !Read(key, &s) )
+ return false;
+ return wxFromString(s, value);
+ }
+
+ template <typename T>
+ bool Read(const wxString& key, T* value, const T& defVal) const
+ {
+ const bool found = Read(key, value);
+ if ( !found )
+ {
+ if (IsRecordingDefaults())
+ ((wxConfigBase *)this)->Write(key, defVal);
+ *value = defVal;
+ }
+ return found;
+ }
+#endif // wxHAS_CONFIG_TEMPLATE_RW
+
+ // convenience functions returning directly the value
wxString Read(const wxString& key,
const wxString& defVal = wxEmptyString) const
{ wxString s; (void)Read(key, &s, defVal); return s; }
- long Read(const wxString& key, long defVal) const
+ // we have to provide a separate version for C strings as otherwise the
+ // template Read() would be used
+ wxString Read(const wxString& key, const char* defVal) const
+ { return Read(key, wxString(defVal)); }
+ wxString Read(const wxString& key, const wchar_t* defVal) const
+ { return Read(key, wxString(defVal)); }
+
+ long ReadLong(const wxString& key, long defVal) const
{ long l; (void)Read(key, &l, defVal); return l; }
- // write the value (return true on success)
+ double ReadDouble(const wxString& key, double defVal) const
+ { double d; (void)Read(key, &d, defVal); return d; }
+
+ bool ReadBool(const wxString& key, bool defVal) const
+ { bool b; (void)Read(key, &b, defVal); return b; }
+
+ template <typename T>
+ T ReadObject(const wxString& key, T const& defVal) const
+ { T t; (void)Read(key, &t, defVal); return t; }
+
+ // for compatibility with wx 2.8
+ long Read(const wxString& key, long defVal) const
+ { return ReadLong(key, defVal); }
+
+
+ // write the value (return true on success)
bool Write(const wxString& key, const wxString& value)
{ return DoWriteString(key, value); }
bool Write(const wxString& key, long value)
{ return DoWriteLong(key, value); }
- bool Write(const wxString& key, int value)
- { return DoWriteInt(key, value); }
-
bool Write(const wxString& key, double value)
{ return DoWriteDouble(key, value); }
bool Write(const wxString& key, bool value)
{ return DoWriteBool(key, value); }
+#if wxUSE_BASE64
+ bool Write(const wxString& key, const wxMemoryBuffer& buf)
+ { return DoWriteBinary(key, buf); }
+#endif // wxUSE_BASE64
+
// we have to provide a separate version for C strings as otherwise they
// would be converted to bool and not to wxString as expected!
- bool Write(const wxString& key, const wxChar *value)
+ bool Write(const wxString& key, const char *value)
+ { return Write(key, wxString(value)); }
+ bool Write(const wxString& key, const unsigned char *value)
{ return Write(key, wxString(value)); }
+ bool Write(const wxString& key, const wchar_t *value)
+ { return Write(key, wxString(value)); }
+
+
+ // we also have to provide specializations for other types which we want to
+ // handle using the specialized DoWriteXXX() instead of the generic template
+ // version below
+ bool Write(const wxString& key, char value)
+ { return DoWriteLong(key, value); }
+
+ bool Write(const wxString& key, unsigned char value)
+ { return DoWriteLong(key, value); }
+
+ bool Write(const wxString& key, short value)
+ { return DoWriteLong(key, value); }
+
+ bool Write(const wxString& key, unsigned short value)
+ { return DoWriteLong(key, value); }
+
+ bool Write(const wxString& key, unsigned int value)
+ { return DoWriteLong(key, value); }
+
+ bool Write(const wxString& key, int value)
+ { return DoWriteLong(key, value); }
+
+ bool Write(const wxString& key, unsigned long value)
+ { return DoWriteLong(key, value); }
+
+ bool Write(const wxString& key, float value)
+ { return DoWriteDouble(key, value); }
+
+ // Causes ambiguities in VC++ 6 and OpenVMS (at least)
+#if ( (!defined(__VISUALC__) || __VISUALC__ > 1200) && !defined( __VMS ) && !defined (__DMC__))
+ // for other types, use wxToString()
+ template <typename T>
+ bool Write(const wxString& key, T const& value)
+ { return Write(key, wxToString(value)); }
+#endif
// permanently writes all changes
virtual bool Flush(bool bCurrentOnly = false) = 0;
// delete the group (with all subgroups)
virtual bool DeleteGroup(const wxString& key) = 0;
// delete the whole underlying object (disk file, registry key, ...)
- // primarly for use by desinstallation routine.
+ // primarily for use by uninstallation routine.
virtual bool DeleteAll() = 0;
// options
static bool IsImmutable(const wxString& key)
{ return !key.IsEmpty() && key[0] == wxCONFIG_IMMUTABLE_PREFIX; }
+ // return the path without trailing separator, if any: this should be called
+ // to sanitize paths referring to the group names before passing them to
+ // wxConfigPathChanger as "/foo/bar/" should be the same as "/foo/bar" and it
+ // isn't interpreted in the same way by it (and this can't be changed there
+ // as it's not the same for the entries names)
+ static wxString RemoveTrailingSeparator(const wxString& key);
+
// do read/write the values of different types
virtual bool DoReadString(const wxString& key, wxString *pStr) const = 0;
virtual bool DoReadLong(const wxString& key, long *pl) const = 0;
- virtual bool DoReadInt(const wxString& key, int *pi) const;
virtual bool DoReadDouble(const wxString& key, double* val) const;
virtual bool DoReadBool(const wxString& key, bool* val) const;
+#if wxUSE_BASE64
+ virtual bool DoReadBinary(const wxString& key, wxMemoryBuffer* buf) const = 0;
+#endif // wxUSE_BASE64
virtual bool DoWriteString(const wxString& key, const wxString& value) = 0;
virtual bool DoWriteLong(const wxString& key, long value) = 0;
- virtual bool DoWriteInt(const wxString& key, int value);
virtual bool DoWriteDouble(const wxString& key, double value);
virtual bool DoWriteBool(const wxString& key, bool value);
+#if wxUSE_BASE64
+ virtual bool DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf) = 0;
+#endif // wxUSE_BASE64
private:
// are we doing automatic environment variable expansion?
// Style flag
long m_style;
+
+ DECLARE_ABSTRACT_CLASS(wxConfigBase)
};
// a handy little class which changes current path to the path of given entry
class WXDLLIMPEXP_BASE wxConfigPathChanger
{
public:
- // ctor/dtor do path changing/restorin
+ // ctor/dtor do path changing/restoring of the path
wxConfigPathChanger(const wxConfigBase *pContainer, const wxString& strEntry);
~wxConfigPathChanger();
// get the key name
const wxString& Name() const { return m_strName; }
+ // this method must be called if the original path (i.e. the current path at
+ // the moment of creation of this object) could have been deleted to prevent
+ // us from restoring the not existing (any more) path
+ //
+ // if the original path doesn't exist any more, the path will be restored to
+ // the deepest still existing component of the old path
+ void UpdateIfDeleted();
+
private:
wxConfigBase *m_pContainer; // object we live in
wxString m_strName, // name of entry (i.e. name only)
m_strOldPath; // saved path
bool m_bChanged; // was the path changed?
- DECLARE_NO_COPY_CLASS(wxConfigPathChanger)
+ wxDECLARE_NO_COPY_CLASS(wxConfigPathChanger);
};
-// ----------------------------------------------------------------------------
-// the native wxConfigBase implementation
-// ----------------------------------------------------------------------------
-
-// under Windows we prefer to use the native implementation
-// wxIniConfig isn't native anywhere after droping win16 in wxWidgets 2.6
-#if defined(__WXMSW__) && wxUSE_CONFIG_NATIVE
- #define wxConfig wxRegConfig
-#else // either we're under Unix or wish to use files even under Windows
- #define wxConfig wxFileConfig
-#endif
-
#endif // wxUSE_CONFIG
/*
/*
Split path into parts removing '..' in progress
*/
-WXDLLIMPEXP_BASE void wxSplitPath(wxArrayString& aParts, const wxChar *sz);
-
+WXDLLIMPEXP_BASE void wxSplitPath(wxArrayString& aParts, const wxString& path);
-#endif
- // _WX_CONFIG_H_
+#endif // _WX_CONFBASE_H_
projects / wxWidgets.git / blobdiff