// 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
/// 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))
+// false) or wxRegConfig (if it's true and we're under Win32))
#ifndef wxUSE_CONFIG_NATIVE
#define wxUSE_CONFIG_NATIVE 1
#endif
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
};
// ----------------------------------------------------------------------------
// (long) type (TODO doubles and other types such as wxDate coming soon).
// ----------------------------------------------------------------------------
-class WXDLLIMPEXP_BASE wxConfigBase
+class WXDLLIMPEXP_BASE wxConfigBase : public wxObject
{
public:
// constants
static wxConfigBase *Set(wxConfigBase *pConfig);
// get the config object, creates it on demand unless DontCreateOnDemand
// was called
- static wxConfigBase *Get(bool createOnDemand = TRUE)
+ static wxConfigBase *Get(bool createOnDemand = true)
{ if ( createOnDemand && (!ms_pConfig) ) Create(); return ms_pConfig; }
// create a new config object: this function will create the "best"
// implementation of wxConfig available for the current platform, see
// the created object and also sets it as ms_pConfig.
static wxConfigBase *Create();
// should Get() try to create a new log object if the current one is NULL?
- static void DontCreateOnDemand() { ms_bAutoCreate = FALSE; }
+ static void DontCreateOnDemand() { ms_bAutoCreate = false; }
// ctor & virtual dtor
// ctor (can be used as default ctor too)
virtual bool GetNextEntry (wxString& str, long& lIndex) const = 0;
// get number of entries/subgroups in the current group, with or without
// it's subgroups
- virtual size_t GetNumberOfEntries(bool bRecursive = FALSE) const = 0;
- virtual size_t GetNumberOfGroups(bool bRecursive = FALSE) const = 0;
+ virtual size_t GetNumberOfEntries(bool bRecursive = false) const = 0;
+ virtual size_t GetNumberOfGroups(bool bRecursive = false) const = 0;
// tests of existence
- // returns TRUE if the group by this name exists
+ // returns true if the group by this name exists
virtual bool HasGroup(const wxString& strName) const = 0;
// same as above, but for an entry
virtual bool HasEntry(const wxString& strName) const = 0;
- // returns TRUE if either a group or an entry with a given name exist
+ // returns true if either a group or an entry with a given name exist
bool Exists(const wxString& strName) const
{ return HasGroup(strName) || HasEntry(strName); }
return HasEntry(name) ? Type_String : Type_Unknown;
}
- // key access: returns TRUE if value was really read, FALSE if default used
+ // key access: returns true if value was really read, false if default used
// (and if the key is not found the default value is returned.)
// read a string from the key
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, bool* val) const;
bool Read(const wxString& key, bool* val, bool defVal) const;
+#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
+
+ // Causes ambiguities in VC++ 6 (at least)
+#if (!defined(__VISUALC__) || __VISUALC__ > 1200)
+ // 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
+
// 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)
wxString Read(const wxString& key,
const wxString& defVal = wxEmptyString) const
{ wxString s; (void)Read(key, &s, defVal); return s; }
+ // 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)); }
+#if wxUSE_WCHAR_T
+ wxString Read(const wxString& key, const wchar_t* defVal) const
+ { return Read(key, wxString(defVal)); }
+#endif
+
long Read(const wxString& key, long defVal) const
{ long l; (void)Read(key, &l, defVal); return l; }
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)); }
+#if wxUSE_WCHAR_T
+ bool Write(const wxString& key, const wchar_t *value)
+ { return Write(key, wxString(value)); }
+#endif
+
+
+ // 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, 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 (at least)
+#if (!defined(__VISUALC__) || __VISUALC__ > 1200)
+ // 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;
+ virtual bool Flush(bool bCurrentOnly = false) = 0;
- // renaming, all functions return FALSE on failure (probably because the new
+ // renaming, all functions return false on failure (probably because the new
// name is already taken by an existing entry)
// rename an entry
virtual bool RenameEntry(const wxString& oldName,
// deletes the specified entry and the group it belongs to if
// it was the last key in it and the second parameter is true
virtual bool DeleteEntry(const wxString& key,
- bool bDeleteGroupIfEmpty = TRUE) = 0;
+ bool bDeleteGroupIfEmpty = true) = 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
// we can automatically expand environment variables in the config entries
// (this option is on by default, you can turn it on/off at any time)
bool IsExpandingEnvVars() const { return m_bExpandEnvVars; }
- void SetExpandEnvVars(bool bDoIt = TRUE) { m_bExpandEnvVars = bDoIt; }
+ void SetExpandEnvVars(bool bDoIt = true) { m_bExpandEnvVars = bDoIt; }
// recording of default values
- void SetRecordDefaults(bool bDoIt = TRUE) { m_bRecordDefaults = bDoIt; }
+ void SetRecordDefaults(bool bDoIt = true) { m_bRecordDefaults = bDoIt; }
bool IsRecordingDefaults() const { return m_bRecordDefaults; }
// does expansion only if needed
wxString ExpandEnvVars(const wxString& str) const;
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)
/*
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