Don't create multiple parent-less top level frames in layout sample.

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

diff --git a/include/wx/fileconf.h b/include/wx/fileconf.h
index 779dc8d4fa899bf7106ec36a31925ebfc9d00855..c3dfb5d772c4650c0e8dbeef4caff7d580e2480f 100644 (file)
--- a/include/wx/fileconf.h
+++ b/include/wx/fileconf.h
@@ -1,28 +1,26 @@
 ///////////////////////////////////////////////////////////////////////////////
 ///////////////////////////////////////////////////////////////////////////////

-// Name:        fileconf.h
+// Name:        wx/fileconf.h

 // Purpose:     wxFileConfig derivation of wxConfigBase
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     07.04.98 (adapted from appconf.cpp)
 // RCS-ID:      $Id$
 // Purpose:     wxFileConfig derivation of wxConfigBase
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     07.04.98 (adapted from appconf.cpp)
 // RCS-ID:      $Id$

-// Copyright:   (c) 1997 Karsten Ballüder   &  Vadim Zeitlin
+// Copyright:   (c) 1997 Karsten Ballueder   &  Vadim Zeitlin

 //                       Ballueder@usa.net     <zeitlin@dptmaths.ens-cachan.fr>
 //                       Ballueder@usa.net     <zeitlin@dptmaths.ens-cachan.fr>

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef   _FILECONF_H
 #define   _FILECONF_H
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #ifndef   _FILECONF_H
 #define   _FILECONF_H
 

-#ifdef __GNUG__
-#pragma interface "fileconf.h"
-#endif
-

 #include "wx/defs.h"
 
 #if wxUSE_CONFIG
 
 #include "wx/textfile.h"
 #include "wx/string.h"
 #include "wx/defs.h"
 
 #if wxUSE_CONFIG
 
 #include "wx/textfile.h"
 #include "wx/string.h"

+#include "wx/confbase.h"
+#include "wx/filename.h"

 
 // ----------------------------------------------------------------------------
 // wxFileConfig
 
 // ----------------------------------------------------------------------------
 // wxFileConfig


@@ -88,40 +86,20 @@
   in the entries it reads: for example, if you have an entry
     score_file = $HOME/.score
   a call to Read(&str, "score_file") will return a complete path to .score file
   in the entries it reads: for example, if you have an entry
     score_file = $HOME/.score
   a call to Read(&str, "score_file") will return a complete path to .score file

-  unless the expansion was previousle disabled with SetExpandEnvVars(FALSE) call
+  unless the expansion was previously disabled with SetExpandEnvVars(false) call

   (it's on by default, the current status can be retrieved with
    IsExpandingEnvVars function).
 */
   (it's on by default, the current status can be retrieved with
    IsExpandingEnvVars function).
 */

-class wxFileConfig;
-class ConfigGroup;
-class ConfigEntry;
-
-// we store all lines of the local config file as a linked list in memory
-class LineList
-{
-public:
-  void      SetNext(LineList *pNext)  { m_pNext = pNext; }
-  void      SetPrev(LineList *pPrev)  { m_pPrev = pPrev; }
+class WXDLLIMPEXP_FWD_BASE wxFileConfigGroup;
+class WXDLLIMPEXP_FWD_BASE wxFileConfigEntry;
+class WXDLLIMPEXP_FWD_BASE wxFileConfigLineList;

 
 

-  // ctor
-  LineList(const wxString& str, LineList *pNext = (LineList *) NULL) : m_strLine(str)
-    { SetNext(pNext); SetPrev((LineList *) NULL); }
+#if wxUSE_STREAMS
+class WXDLLIMPEXP_FWD_BASE wxInputStream;
+class WXDLLIMPEXP_FWD_BASE wxOutputStream;
+#endif // wxUSE_STREAMS

 
 

-  //
-  LineList *Next() const              { return m_pNext;  }
-  LineList *Prev() const              { return m_pPrev;  }
-
-  //
-  void SetText(const wxString& str) { m_strLine = str;  }
-  const wxString& Text() const      { return m_strLine; }
-
-private:
-  wxString  m_strLine;      // line contents
-  LineList *m_pNext,        // next node
-           *m_pPrev;        // previous one
-};
-
-class wxFileConfig : public wxConfigBase
+class WXDLLIMPEXP_BASE wxFileConfig : public wxConfigBase

 {
 public:
   // construct the "standard" full name for global (system-wide) and
 {
 public:
   // construct the "standard" full name for global (system-wide) and


@@ -132,92 +110,104 @@ public:
   // Unix   /etc/file.ext           ~/.file
   // Win    %windir%\file.ext   %USERPROFILE%\file.ext
   //
   // Unix   /etc/file.ext           ~/.file
   // Win    %windir%\file.ext   %USERPROFILE%\file.ext
   //

-  // where file is the basename of szFile, ext is it's extension
+  // where file is the basename of szFile, ext is its extension

   // or .conf (Unix) or .ini (Win) if it has none
   // or .conf (Unix) or .ini (Win) if it has none

-  static wxString GetGlobalFileName(const wxChar *szFile);
-  static wxString GetLocalFileName(const wxChar *szFile);
+  static wxFileName GetGlobalFile(const wxString& szFile);
+  static wxFileName GetLocalFile(const wxString& szFile, int style = 0);
+
+  static wxString GetGlobalFileName(const wxString& szFile)
+  {
+      return GetGlobalFile(szFile).GetFullPath();
+  }
+
+  static wxString GetLocalFileName(const wxString& szFile, int style = 0)
+  {
+      return GetLocalFile(szFile, style).GetFullPath();
+  }

 
   // ctor & dtor
     // New constructor: one size fits all. Specify wxCONFIG_USE_LOCAL_FILE or
     // wxCONFIG_USE_GLOBAL_FILE to say which files should be used.
 
   // ctor & dtor
     // New constructor: one size fits all. Specify wxCONFIG_USE_LOCAL_FILE or
     // wxCONFIG_USE_GLOBAL_FILE to say which files should be used.

-  wxFileConfig(const wxString& appName,
-               const wxString& vendorName = wxT(""),
-               const wxString& localFilename = wxT(""),
-               const wxString& globalFilename = wxT(""),
-               long style = wxCONFIG_USE_LOCAL_FILE);
+  wxFileConfig(const wxString& appName = wxEmptyString,
+               const wxString& vendorName = wxEmptyString,
+               const wxString& localFilename = wxEmptyString,
+               const wxString& globalFilename = wxEmptyString,
+               long style = wxCONFIG_USE_LOCAL_FILE | wxCONFIG_USE_GLOBAL_FILE,
+               const wxMBConv& conv = wxConvAuto());
+
+#if wxUSE_STREAMS
+    // ctor that takes an input stream.
+  wxFileConfig(wxInputStream &inStream, const wxMBConv& conv = wxConvAuto());
+#endif // wxUSE_STREAMS

 
     // dtor will save unsaved data
   virtual ~wxFileConfig();
 
 
     // dtor will save unsaved data
   virtual ~wxFileConfig();
 

+  // under Unix, set the umask to be used for the file creation, do nothing
+  // under other systems
+#ifdef __UNIX__
+  void SetUmask(int mode) { m_umask = mode; }
+#else // !__UNIX__
+  void SetUmask(int WXUNUSED(mode)) { }
+#endif // __UNIX__/!__UNIX__
+

   // implement inherited pure virtual functions
   virtual void SetPath(const wxString& strPath);
   // implement inherited pure virtual functions
   virtual void SetPath(const wxString& strPath);

-  virtual const wxString& GetPath() const { return m_strPath; }
+  virtual const wxString& GetPath() const;

 
   virtual bool GetFirstGroup(wxString& str, long& lIndex) const;
   virtual bool GetNextGroup (wxString& str, long& lIndex) const;
   virtual bool GetFirstEntry(wxString& str, long& lIndex) const;
   virtual bool GetNextEntry (wxString& str, long& lIndex) const;
 
 
   virtual bool GetFirstGroup(wxString& str, long& lIndex) const;
   virtual bool GetNextGroup (wxString& str, long& lIndex) const;
   virtual bool GetFirstEntry(wxString& str, long& lIndex) const;
   virtual bool GetNextEntry (wxString& str, long& lIndex) const;
 

-  virtual size_t GetNumberOfEntries(bool bRecursive = FALSE) const;
-  virtual size_t GetNumberOfGroups(bool bRecursive = FALSE) const;
+  virtual size_t GetNumberOfEntries(bool bRecursive = false) const;
+  virtual size_t GetNumberOfGroups(bool bRecursive = false) const;

 
   virtual bool HasGroup(const wxString& strName) const;
   virtual bool HasEntry(const wxString& strName) const;
 
 
   virtual bool HasGroup(const wxString& strName) const;
   virtual bool HasEntry(const wxString& strName) const;
 

-  virtual bool Read(const wxString& key, wxString *pStr) const;
-  virtual bool Read(const wxString& key, wxString *pStr, const wxString& defValue) const;
-  virtual bool Read(const wxString& key, long *pl) const;
-
-  // The following are necessary to satisfy the compiler
-  wxString Read(const wxString& key, const wxString& defVal) const
-    { return wxConfigBase::Read(key, defVal); }
-  bool Read(const wxString& key, long *pl, long defVal) const
-    { return wxConfigBase::Read(key, pl, defVal); }
-  long Read(const wxString& key, long defVal) const
-    { return wxConfigBase::Read(key, defVal); }
-  bool Read(const wxString& key, int *pi, int defVal) const
-    { return wxConfigBase::Read(key, pi, defVal); }
-  bool Read(const wxString& key, int *pi) const
-    { return wxConfigBase::Read(key, pi); }
-  bool Read(const wxString& key, double* val) const
-    { return wxConfigBase::Read(key, val); }
-  bool Read(const wxString& key, double* val, double defVal) const
-    { return wxConfigBase::Read(key, val, defVal); }
-  bool Read(const wxString& key, bool* val) const
-    { return wxConfigBase::Read(key, val); }
-  bool Read(const wxString& key, bool* val, bool defVal) const
-    { return wxConfigBase::Read(key, val, defVal); }
-
-  virtual bool Write(const wxString& key, const wxString& szValue);
-  virtual bool Write(const wxString& key, long lValue);
-  bool Write(const wxString& key, double value)
-    { return wxConfigBase::Write(key, value); }
-  bool Write(const wxString& key, bool value)
-    { return wxConfigBase::Write(key, value); }
-  bool Write(const wxString& key, const wxChar* value)
-    { return wxConfigBase::Write(key, value); }
-
-  virtual bool Flush(bool bCurrentOnly = FALSE);
+  virtual bool Flush(bool bCurrentOnly = false);

 
   virtual bool RenameEntry(const wxString& oldName, const wxString& newName);
   virtual bool RenameGroup(const wxString& oldName, const wxString& newName);
 
 
   virtual bool RenameEntry(const wxString& oldName, const wxString& newName);
   virtual bool RenameGroup(const wxString& oldName, const wxString& newName);
 

-  virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso);
+  virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso = true);

   virtual bool DeleteGroup(const wxString& szKey);
   virtual bool DeleteAll();
 
   virtual bool DeleteGroup(const wxString& szKey);
   virtual bool DeleteAll();
 

+  // additional, wxFileConfig-specific, functionality
+#if wxUSE_STREAMS
+  // save the entire config file text to the given stream, note that the text
+  // won't be saved again in dtor when Flush() is called if you use this method
+  // as it won't be "changed" any more
+  virtual bool Save(wxOutputStream& os, const wxMBConv& conv = wxConvAuto());
+#endif // wxUSE_STREAMS
+

 public:
   // functions to work with this list
 public:
   // functions to work with this list

-  LineList *LineListAppend(const wxString& str);
-  LineList *LineListInsert(const wxString& str,
-                           LineList *pLine);    // NULL => Prepend()
-  void      LineListRemove(LineList *pLine);
+  wxFileConfigLineList *LineListAppend(const wxString& str);
+  wxFileConfigLineList *LineListInsert(const wxString& str,
+                           wxFileConfigLineList *pLine);    // NULL => Prepend()
+  void      LineListRemove(wxFileConfigLineList *pLine);

   bool      LineListIsEmpty();
 
   bool      LineListIsEmpty();
 

+protected:
+  virtual bool DoReadString(const wxString& key, wxString *pStr) const;
+  virtual bool DoReadLong(const wxString& key, long *pl) const;
+#if wxUSE_BASE64
+  virtual bool DoReadBinary(const wxString& key, wxMemoryBuffer* buf) const;
+#endif // wxUSE_BASE64
+
+  virtual bool DoWriteString(const wxString& key, const wxString& szValue);
+  virtual bool DoWriteLong(const wxString& key, long lValue);
+#if wxUSE_BASE64
+  virtual bool DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf);
+#endif // wxUSE_BASE64
+

 private:
   // GetXXXFileName helpers: return ('/' terminated) directory names
   static wxString GetGlobalDir();
 private:
   // GetXXXFileName helpers: return ('/' terminated) directory names
   static wxString GetGlobalDir();

-  static wxString GetLocalDir();
+  static wxString GetLocalDir(int style = 0);

 
   // common part of all ctors (assumes that m_str{Local|Global}File are already
   // initialized
 
   // common part of all ctors (assumes that m_str{Local|Global}File are already
   // initialized


@@ -227,127 +217,48 @@ private:
   void CleanUp();
 
   // parse the whole file
   void CleanUp();
 
   // parse the whole file

-  void Parse(wxTextFile& file, bool bLocal);
+  void Parse(const wxTextBuffer& buffer, bool bLocal);

 
   // the same as SetPath("/")
   void SetRootPath();
 
 
   // the same as SetPath("/")
   void SetRootPath();
 

-  // member variables
-  // ----------------
-  LineList   *m_linesHead,        // head of the linked list
-             *m_linesTail;        // tail
-
-  wxString    m_strLocalFile,     // local  file name passed to ctor
-              m_strGlobalFile;    // global
-  wxString    m_strPath;          // current path (not '/' terminated)
+  // real SetPath() implementation, returns true if path could be set or false
+  // if path doesn't exist and createMissingComponents == false
+  bool DoSetPath(const wxString& strPath, bool createMissingComponents);

 
 

-  ConfigGroup *m_pRootGroup,      // the top (unnamed) group
-              *m_pCurrentGroup;   // the current group
+  // set/test the dirty flag
+  void SetDirty() { m_isDirty = true; }
+  void ResetDirty() { m_isDirty = false; }
+  bool IsDirty() const { return m_isDirty; }

 
 

-public:
-  WX_DEFINE_SORTED_ARRAY(ConfigEntry *, ArrayEntries);
-  WX_DEFINE_SORTED_ARRAY(ConfigGroup *, ArrayGroups);
-};
-
-class ConfigEntry
-{
-private:
-  ConfigGroup  *m_pParent;      // group that contains us
-  wxString      m_strName,      // entry name
-                m_strValue;     //       value
-  bool          m_bDirty,       // changed since last read?
-                m_bImmutable;   // can be overriden locally?
-  int           m_nLine;        // used if m_pLine == NULL only
-  LineList     *m_pLine;        // pointer to our line in the linked list
-                                // or NULL if it was found in global file
-
-public:
-  ConfigEntry(ConfigGroup *pParent, const wxString& strName, int nLine);
-
-  // simple accessors
-  const wxString& Name()        const { return m_strName;    }
-  const wxString& Value()       const { return m_strValue;   }
-  ConfigGroup    *Group()       const { return m_pParent;    }
-  bool            IsDirty()     const { return m_bDirty;     }
-  bool            IsImmutable() const { return m_bImmutable; }
-  bool            IsLocal()     const { return m_pLine != 0; }
-  int             Line()        const { return m_nLine;      }
-  LineList       *GetLine()     const { return m_pLine;      }
-
-  // modify entry attributes
-  void SetValue(const wxString& strValue, bool bUser = TRUE);
-  void SetDirty();
-  void SetLine(LineList *pLine);
-};
-
-class ConfigGroup
-{
-private:
-  wxFileConfig *m_pConfig;        // config object we belong to
-  ConfigGroup  *m_pParent;        // parent group (NULL for root group)
-  wxFileConfig::ArrayEntries  m_aEntries;       // entries in this group
-  wxFileConfig::ArrayGroups   m_aSubgroups;     // subgroups
-  wxString      m_strName;        // group's name
-  bool          m_bDirty;         // if FALSE => all subgroups are not dirty
-  LineList     *m_pLine;          // pointer to our line in the linked list
-  ConfigEntry  *m_pLastEntry;     // last entry/subgroup of this group in the
-  ConfigGroup  *m_pLastGroup;     // local file (we insert new ones after it)
-
-  // DeleteSubgroupByName helper
-  bool DeleteSubgroup(ConfigGroup *pGroup);

 
 

-public:
-  // ctor
-  ConfigGroup(ConfigGroup *pParent, const wxString& strName, wxFileConfig *);
-
-  // dtor deletes all entries and subgroups also
-  ~ConfigGroup();
-
-  // simple accessors
-  const wxString& Name()    const { return m_strName; }
-  ConfigGroup    *Parent()  const { return m_pParent; }
-  wxFileConfig   *Config()  const { return m_pConfig; }
-  bool            IsDirty() const { return m_bDirty;  }
-
-  const wxFileConfig::ArrayEntries& Entries() const { return m_aEntries;   }
-  const wxFileConfig::ArrayGroups&  Groups()  const { return m_aSubgroups; }
-  bool  IsEmpty() const { return Entries().IsEmpty() && Groups().IsEmpty(); }
-
-  // find entry/subgroup (NULL if not found)
-  ConfigGroup *FindSubgroup(const wxChar *szName) const;
-  ConfigEntry *FindEntry   (const wxChar *szName) const;
+  // member variables
+  // ----------------
+  wxFileConfigLineList *m_linesHead,    // head of the linked list
+                       *m_linesTail;    // tail

 
 

-  // delete entry/subgroup, return FALSE if doesn't exist
-  bool DeleteSubgroupByName(const wxChar *szName);
-  bool DeleteEntry(const wxChar *szName);
+  wxFileName  m_fnLocalFile,            // local  file name passed to ctor
+              m_fnGlobalFile;           // global
+  wxString    m_strPath;                // current path (not '/' terminated)

 
 

-  // create new entry/subgroup returning pointer to newly created element
-  ConfigGroup *AddSubgroup(const wxString& strName);
-  ConfigEntry *AddEntry   (const wxString& strName, int nLine = wxNOT_FOUND);
+  wxFileConfigGroup *m_pRootGroup,      // the top (unnamed) group
+                    *m_pCurrentGroup;   // the current group

 
 

-  // will also recursively set parent's dirty flag
-  void SetDirty();
-  void SetLine(LineList *pLine);
+  wxMBConv    *m_conv;

 
 

-  // rename: no checks are done to ensure that the name is unique!
-  void Rename(const wxString& newName);
+#ifdef __UNIX__
+  int m_umask;                          // the umask to use for file creation
+#endif // __UNIX__

 
 

-  //
-  wxString GetFullName() const;
+  bool m_isDirty;                       // if true, we have unsaved changes

 
 

-  // get the last line belonging to an entry/subgroup of this group
-  LineList *GetGroupLine();     // line which contains [group]
-  LineList *GetLastEntryLine(); // after which our subgroups start
-  LineList *GetLastGroupLine(); // after which the next group starts
-
-  // called by entries/subgroups when they're created/deleted
-  void SetLastEntry(ConfigEntry *pEntry) { m_pLastEntry = pEntry; }
-  void SetLastGroup(ConfigGroup *pGroup) { m_pLastGroup = pGroup; }
+  wxDECLARE_NO_COPY_CLASS(wxFileConfig);
+  DECLARE_ABSTRACT_CLASS(wxFileConfig)

 };
 
 #endif
   // wxUSE_CONFIG
 
 };
 
 #endif
   // wxUSE_CONFIG
 

-#endif  
+#endif

   //_FILECONF_H
 
   //_FILECONF_H