Work on streams of all sorts. More to come.

[wxWidgets.git] / include / wx / confbase.h

diff --git a/include/wx/confbase.h b/include/wx/confbase.h
index edbe8ca2ca18da5204c426cca281c9db838cf920..c4cfa87538e48ebcaca6ecfaca186c783641364a 100644 (file)
--- a/include/wx/confbase.h
+++ b/include/wx/confbase.h
@@ -1,7 +1,7 @@
 ///////////////////////////////////////////////////////////////////////////////
 // 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)
@@ -53,24 +53,12 @@
 #endif
 
 // Style flags for constructor style parameter
-#define wxCONFIG_USE_LOCAL_FILE         1
-#define wxCONFIG_USE_GLOBAL_FILE        2
-
-// ----------------------------------------------------------------------------
-// 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);
+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
@@ -81,11 +69,22 @@ extern void wxSplitPath(wxArrayString& aParts, const char *sz);
 // 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 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);
@@ -101,16 +100,15 @@ public:
   static void DontCreateOnDemand() { ms_bAutoCreate = FALSE; }
 
   // ctor & virtual dtor
-    // environment variable expansion is on by default
-//  wxConfigBase() { m_bExpandEnvVars = TRUE; m_bRecordDefaults = FALSE; }
-
-  // ctor
-
-  // 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,
+      // 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
@@ -146,6 +144,13 @@ public:
   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
@@ -217,22 +222,19 @@ public:
   wxString ExpandEnvVars(const wxString& str) const;
 
     // misc accessors
-  inline wxString GetAppName() const { return m_appName; }
-  inline wxString GetVendorName() const { return m_vendorName; }
+  wxString GetAppName() const { return m_appName; }
+  wxString GetVendorName() const { return m_vendorName; }
 
-  inline void SetAppName(const wxString& appName) { m_appName = appName; }
-  inline void SetVendorName(const wxString& vendorName) { m_vendorName = vendorName; }
-
-  inline void SetStyle(long style) { m_style = style; }
-  inline long GetStyle() const { return m_style; }
+  void SetStyle(long style) { m_style = style; }
+  long GetStyle() const { return m_style; }
 
 protected:
   static bool IsImmutable(const wxString& key)
-  #ifndef __WXMAC__
+#if !defined(__WXMAC__) && !defined(__EMX__)
     { return !key.IsEmpty() && key[0u] == wxCONFIG_IMMUTABLE_PREFIX; }
-  #else
+#else
     { return !key.IsEmpty() && key[0ul] == wxCONFIG_IMMUTABLE_PREFIX; }
-  #endif
+#endif
 
 private:
   // are we doing automatic environment variable expansion?
@@ -293,9 +295,23 @@ private:
   #define sm_classwxConfig sm_classwxFileConfig
 #endif
 
-#endif 
- 
-  // wxUSE_CONFIG
+#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_