///////////////////////////////////////////////////////////////////////////////
// Name: confbase.h
// Purpose: declaration of the base class of all config implementations
-// (see also: fileconf.h and msw/regconf.h)
+// (see also: fileconf.h and msw/regconf.h and iniconf.h)
// Author: Karsten Ballüder & Vadim Zeitlin
// Modified by:
// Created: 07.04.98 (adapted from appconf.h)
// RCS-ID: $Id$
// Copyright: (c) 1997 Karsten Ballüder Ballueder@usa.net
// Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_CONFBASE_H_
#define _WX_CONFBASE_H_
-#ifdef __GNUG__
-#pragma interface "confbase.h"
-#endif
+#include "wx/defs.h"
+#include "wx/string.h"
-// ----------------------------------------------------------------------------
-// compile options
-// ----------------------------------------------------------------------------
-
-// it won't compile without it anyhow
-#ifndef USE_WXCONFIG
- #error "Please define USE_WXCONFIG or remove config.cpp from your makefile"
-#endif // USE_WXCONFIG
+class WXDLLIMPEXP_BASE wxArrayString;
// ----------------------------------------------------------------------------
// constants
/// shall we be case sensitive in parsing variable names?
#ifndef wxCONFIG_CASE_SENSITIVE
- #define wxCONFIG_CASE_SENSITIVE FALSE
+ #define wxCONFIG_CASE_SENSITIVE 0
#endif
/// separates group and entry names (probably shouldn't be changed)
#ifndef wxCONFIG_PATH_SEPARATOR
- #define wxCONFIG_PATH_SEPARATOR '/'
+ #define wxCONFIG_PATH_SEPARATOR _T('/')
#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 '!'
+ #define wxCONFIG_IMMUTABLE_PREFIX _T('!')
#endif
-/// should we use registry instead of configuration files under Win32?
-// (i.e. whether wxConfigBase::Create() will create a wxFileConfig (if it's
-// FALSE) or wxRegConfig (if it's true and we're under Win32) or wxIniConfig
-// (under Win16))
-#ifndef wxCONFIG_WIN32_NATIVE
- #define wxCONFIG_WIN32_NATIVE TRUE
-#endif
+#if wxUSE_CONFIG
-// ----------------------------------------------------------------------------
-// various helper global functions
-// ----------------------------------------------------------------------------
+#include "wx/string.h"
-/*
- Replace environment variables ($SOMETHING) with their values. The format is
- $VARNAME or ${VARNAME} where VARNAME contains alphanumeric characters and
- '_' only. '$' must be escaped ('\$') in order to be taken literally.
- */
-extern wxString wxExpandEnvVars(const wxString &sz);
+/// 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))
+#ifndef wxUSE_CONFIG_NATIVE
+ #define wxUSE_CONFIG_NATIVE 1
+#endif
-/*
- Split path into parts removing '..' in progress
- */
-extern void wxSplitPath(wxArrayString& aParts, const char *sz);
+// 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
+};
// ----------------------------------------------------------------------------
-// abstract base class wxConfigBase which defines the interface for derived
+// abstract base class wxConfigBase which defines the interface for derived
// classes
//
// wxConfig organizes the items in a tree-like structure (modeled after the
// There is always one current group given by the current path.
//
// Keys are pairs "key_name = value" where value may be of string or integer
-// (long) type (@@@ doubles and other types such as wxDate coming soon).
+// (long) type (TODO doubles and other types such as wxDate coming soon).
// ----------------------------------------------------------------------------
-class wxConfigBase
+
+class WXDLLIMPEXP_BASE wxConfigBase
{
public:
+ // constants
+ // the type of an entry
+ enum EntryType
+ {
+ Type_Unknown,
+ Type_String,
+ Type_Boolean,
+ Type_Integer, // use Read(long *)
+ Type_Float // use Read(double *)
+ };
+
// static functions
// sets the config object, returns the previous pointer
static wxConfigBase *Set(wxConfigBase *pConfig);
// get the config object, creates it on demand unless DontCreateOnDemand
// was called
- static wxConfigBase *Get() { if ( !ms_pConfig ) Create(); return ms_pConfig; }
+ 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
- // comments near definition wxCONFIG_WIN32_NATIVE for details. It returns
+ // comments near definition wxUSE_CONFIG_NATIVE for details. It returns
// 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
- // environment variable expansion is on by default
- wxConfigBase() { m_bExpandEnvVars = TRUE; m_bRecordDefaults = FALSE; }
+ // ctor (can be used as default ctor too)
+ //
+ // Not all args will always be used by derived classes, but including
+ // them all in each class ensures compatibility. If appName is empty,
+ // uses wxApp name
+ wxConfigBase(const wxString& appName = wxEmptyString,
+ const wxString& vendorName = wxEmptyString,
+ const wxString& localFilename = wxEmptyString,
+ const wxString& globalFilename = wxEmptyString,
+ long style = 0);
+
// empty but ensures that dtor of all derived classes is virtual
- virtual ~wxConfigBase() { }
+ virtual ~wxConfigBase();
// path management
// set current path: if the first character is '/', it's the absolute path,
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); }
- // key access: returns TRUE if value was really read, FALSE if default used
+ // get the entry type
+ virtual EntryType GetEntryType(const wxString& name) const
+ {
+ // by default all entries are strings
+ return HasEntry(name) ? Type_String : Type_Unknown;
+ }
+
+ // 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
- virtual bool Read(wxString *pStr, const char *szKey,
- const char *szDefault = (const char *) NULL) const = 0;
- // another version using statis buffer - it means it will be overwritten
- // after each call to this function!
- virtual const char *Read(const char *szKey,
- const char *szDefault = (const char *) NULL) const;
- // the same for longs
- virtual long Read(const char *szKey, long lDefault) const
- { long l; Read(&l, szKey, lDefault); return l; }
- // and another version: returns true if default value is returned
- virtual bool Read(long *pl, const char *szKey, long lDefault = 0) const = 0;
+ bool Read(const wxString& key, wxString *pStr) const;
+ bool Read(const wxString& key, wxString *pStr, const wxString& defVal) const;
+
+ // read a number (long)
+ bool Read(const wxString& key, long *pl) const;
+ bool Read(const wxString& key, long *pl, long defVal) const;
+
+ // read an int
+ bool Read(const wxString& key, int *pi) const;
+ bool Read(const wxString& key, int *pi, int defVal) const;
+
+ // read a double
+ bool Read(const wxString& key, double* val) const;
+ bool Read(const wxString& key, double* val, double 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)
+ 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
+ { long l; (void)Read(key, &l, defVal); return l; }
// write the value (return true on success)
- virtual bool Write(const char *szKey, const char *szValue) = 0;
- virtual bool Write(const char *szKey, long lValue) = 0;
- // permanently writes all changes
- virtual bool Flush(bool bCurrentOnly = FALSE) = 0;
+ 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); }
+
+ // 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)
+ { return Write(key, wxString(value)); }
+
+ // permanently writes all changes
+ virtual bool Flush(bool bCurrentOnly = false) = 0;
+
+ // 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,
+ const wxString& newName) = 0;
+ // rename a group
+ virtual bool RenameGroup(const wxString& oldName,
+ const wxString& newName) = 0;
// delete entries/groups
// 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 char *szKey,
- bool bDeleteGroupIfEmpty = TRUE) = 0;
+ virtual bool DeleteEntry(const wxString& key,
+ bool bDeleteGroupIfEmpty = true) = 0;
// delete the group (with all subgroups)
- virtual bool DeleteGroup(const char *szKey) = 0;
+ virtual bool DeleteGroup(const wxString& key) = 0;
// delete the whole underlying object (disk file, registry key, ...)
// primarly for use by desinstallation routine.
virtual bool DeleteAll() = 0;
// 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
- {
- wxString tmp; // Required for BC++
- if (IsExpandingEnvVars())
- tmp = wxExpandEnvVars(str);
- else
- tmp = str;
- return tmp;
- }
+ wxString ExpandEnvVars(const wxString& str) const;
+
+ // misc accessors
+ wxString GetAppName() const { return m_appName; }
+ wxString GetVendorName() const { return m_vendorName; }
+
+ // Used wxIniConfig to set members in constructor
+ void SetAppName(const wxString& appName) { m_appName = appName; }
+ void SetVendorName(const wxString& vendorName) { m_vendorName = vendorName; }
+
+ void SetStyle(long style) { m_style = style; }
+ long GetStyle() const { return m_style; }
protected:
- static bool IsImmutable(const char *szKey)
- { return *szKey == wxCONFIG_IMMUTABLE_PREFIX; }
-
- // a handy little class which changes current path to the path of given entry
- // and restores it in dtor: so if you declare a local variable of this type,
- // you work in the entry directory and the path is automatically restored
- // when the function returns
- class PathChanger
- {
- public:
- // ctor/dtor do path changing/restorin
- PathChanger(const wxConfigBase *pContainer, const wxString& strEntry);
- ~PathChanger();
-
- // get the key name
- const wxString& Name() const { return m_strName; }
-
- 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?
- };
+ static bool IsImmutable(const wxString& key)
+ { return !key.IsEmpty() && key[0] == wxCONFIG_IMMUTABLE_PREFIX; }
+
+ // 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;
+
+ 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);
private:
// are we doing automatic environment variable expansion?
bool m_bExpandEnvVars;
// do we record default values?
bool m_bRecordDefaults;
-
+
// static variables
static wxConfigBase *ms_pConfig;
static bool ms_bAutoCreate;
+
+ // Application name and organisation name
+ wxString m_appName;
+ wxString m_vendorName;
+
+ // Style flag
+ long m_style;
+};
+
+// a handy little class which changes current path to the path of given entry
+// and restores it in dtor: so if you declare a local variable of this type,
+// you work in the entry directory and the path is automatically restored
+// when the function returns
+// Taken out of wxConfig since not all compilers can cope with nested classes.
+class WXDLLIMPEXP_BASE wxConfigPathChanger
+{
+public:
+ // ctor/dtor do path changing/restorin
+ wxConfigPathChanger(const wxConfigBase *pContainer, const wxString& strEntry);
+ ~wxConfigPathChanger();
+
+ // get the key name
+ const wxString& Name() const { return m_strName; }
+
+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)
};
+
// ----------------------------------------------------------------------------
// the native wxConfigBase implementation
// ----------------------------------------------------------------------------
// under Windows we prefer to use the native implementation
-#if defined(__WXMSW__) && wxCONFIG_WIN32_NATIVE
- #ifdef __WIN32__
+// wxIniConfig isn't native anywhere after droping win16 in wxWidgets 2.6
+#if defined(__WXMSW__) && wxUSE_CONFIG_NATIVE
#define wxConfig wxRegConfig
- #define classwxConfig classwxRegConfig
- #else //WIN16
- #define wxConfig wxIniConfig
- #define classwxConfig classwxIniConfig
- #endif
#else // either we're under Unix or wish to use files even under Windows
#define wxConfig wxFileConfig
- #define classwxConfig classwxFileConfig
#endif
-#endif // _WX_CONFIG_H_
+#endif // wxUSE_CONFIG
+
+/*
+ Replace environment variables ($SOMETHING) with their values. The format is
+ $VARNAME or ${VARNAME} where VARNAME contains alphanumeric characters and
+ '_' only. '$' must be escaped ('\$') in order to be taken literally.
+*/
+
+WXDLLIMPEXP_BASE wxString wxExpandEnvVars(const wxString &sz);
+
+/*
+ Split path into parts removing '..' in progress
+ */
+WXDLLIMPEXP_BASE void wxSplitPath(wxArrayString& aParts, const wxChar *sz);
+
+
+#endif
+ // _WX_CONFIG_H_
projects / wxWidgets.git / blobdiff