///////////////////////////////////////////////////////////////////////////////
// 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)
#pragma interface "confbase.h"
#endif
-// ----------------------------------------------------------------------------
-// compile options
-// ----------------------------------------------------------------------------
+#include "wx/defs.h"
+
+#if wxUSE_CONFIG
-// 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
+#include "wx/string.h"
// ----------------------------------------------------------------------------
// constants
#define wxCONFIG_WIN32_NATIVE TRUE
#endif
-// ----------------------------------------------------------------------------
-// various helper global functions
-// ----------------------------------------------------------------------------
-
-/*
- 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);
-
-/*
- 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
+};
// ----------------------------------------------------------------------------
-// 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 WXDLLEXPORT 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);
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() { }
bool Exists(const wxString& strName) const
{ return HasGroup(strName) || HasEntry(strName); }
+ // 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 = 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 = 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;
+ virtual bool Read(const wxString& key, wxString *pStr) const = 0;
+ virtual bool Read(const wxString& key, wxString *pStr, const wxString& defVal) const;
+
+ virtual wxString Read(const wxString& key, const wxString& defVal = wxEmptyString) const;
+
+ virtual bool Read(const wxString& key, long *pl) const = 0;
+ virtual bool Read(const wxString& key, long *pl, long defVal) const;
+
+ virtual long Read(const wxString& strKey, long defVal) const
+ { long l; Read(strKey, &l, defVal); return l; }
+
+ // Convenience functions that are built on other forms
+
+ // int
+ virtual bool Read(const wxString& key, int *pi) const;
+ virtual bool Read(const wxString& key, int *pi, int defVal) const;
+
+ // double
+ virtual bool Read(const wxString& key, double* val) const;
+ virtual bool Read(const wxString& key, double* val, double defVal) const;
+
+ // bool
+ virtual bool Read(const wxString& key, bool* val) const;
+ virtual bool Read(const wxString& key, bool* val, bool defVal) const;
// 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;
+ virtual bool Write(const wxString& key, const wxString& value) = 0;
+ virtual bool Write(const wxString& key, long value) = 0;
+
+ // Convenience functions
+ virtual bool Write(const wxString& key, double value);
+ virtual bool Write(const wxString& key, bool value);
+ virtual bool Write(const wxString& key, const wxChar *text ) ;
+
// 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,
+ 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;
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; }
+
+ 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; }
+ static bool IsImmutable(const wxString& key)
+ { return !key.IsEmpty() && key[0] == wxCONFIG_IMMUTABLE_PREFIX; }
+
+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
- class PathChanger
+ // Taken out of wxConfig since not all compilers can cope with nested classes.
+ class wxConfigPathChanger
{
public:
// ctor/dtor do path changing/restorin
- PathChanger(const wxConfigBase *pContainer, const wxString& strEntry);
- ~PathChanger();
+ wxConfigPathChanger(const wxConfigBase *pContainer, const wxString& strEntry);
+ ~wxConfigPathChanger();
// get the key name
const wxString& Name() const { return m_strName; }
bool m_bChanged; // was the path changed?
};
-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;
-};
// ----------------------------------------------------------------------------
// the native wxConfigBase implementation
#if defined(__WXMSW__) && wxCONFIG_WIN32_NATIVE
#ifdef __WIN32__
#define wxConfig wxRegConfig
- #define classwxConfig classwxRegConfig
+ #define sm_classwxConfig sm_classwxRegConfig
#else //WIN16
#define wxConfig wxIniConfig
- #define classwxConfig classwxIniConfig
+ #define sm_classwxConfig sm_classwxIniConfig
#endif
#else // either we're under Unix or wish to use files even under Windows
#define wxConfig wxFileConfig
- #define classwxConfig classwxFileConfig
+ #define sm_classwxConfig sm_classwxFileConfig
#endif
-#endif // _WX_CONFIG_H_
+#endif // wxUSE_CONFIG
+
+// ----------------------------------------------------------------------------
+// various helper global functions (defined even if !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.
+ */
+extern wxString wxExpandEnvVars(const wxString &sz);
+
+/*
+ Split path into parts removing '..' in progress
+ */
+extern void wxSplitPath(wxArrayString& aParts, const wxChar *sz);
+
+#endif
+ // _WX_CONFIG_H_
projects / wxWidgets.git / blobdiff