///////////////////////////////////////////////////////////////////////////////
-// Name: fileconf.h
+// Name: wx/fileconf.h
// Purpose: wxFileConfig derivation of wxConfigBase
// Author: Vadim Zeitlin
// Modified by:
// RCS-ID: $Id$
// Copyright: (c) 1997 Karsten Ballüder & Vadim Zeitlin
// Ballueder@usa.net <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#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/confbase.h"
// ----------------------------------------------------------------------------
// wxFileConfig
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).
*/
-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; }
-
- // ctor
- LineList(const wxString& str, LineList *pNext = (LineList *) NULL) : m_strLine(str)
- { SetNext(pNext); SetPrev((LineList *) NULL); }
-
- //
- 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; }
+class WXDLLIMPEXP_BASE wxFileConfigGroup;
+class WXDLLIMPEXP_BASE wxFileConfigEntry;
+class WXDLLIMPEXP_BASE wxFileConfigLineList;
-private:
- wxString m_strLine; // line contents
- LineList *m_pNext, // next node
- *m_pPrev; // previous one
-};
+#if wxUSE_STREAMS
+class WXDLLIMPEXP_BASE wxInputStream;
+class WXDLLIMPEXP_BASE wxOutputStream;
+#endif // wxUSE_STREAMS
-class wxFileConfig : public wxConfigBase
+class WXDLLIMPEXP_BASE wxFileConfig : public wxConfigBase
{
public:
// construct the "standard" full name for global (system-wide) and
// 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
static wxString GetGlobalFileName(const wxChar *szFile);
static wxString GetLocalFileName(const wxChar *szFile);
// 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 = _T(""),
- const wxString& localFilename = _T(""),
- const wxString& globalFilename = _T(""),
- 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();
+ // 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);
virtual const wxString& GetPath() const { return m_strPath; }
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 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); }
-
- 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 DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso);
+ virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso = true);
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
- 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();
+protected:
+ virtual bool DoReadString(const wxString& key, wxString *pStr) const;
+ virtual bool DoReadLong(const wxString& key, long *pl) const;
+
+ virtual bool DoWriteString(const wxString& key, const wxString& szValue);
+ virtual bool DoWriteLong(const wxString& key, long lValue);
+
private:
// GetXXXFileName helpers: return ('/' terminated) directory names
static wxString GetGlobalDir();
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();
- // 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)
-
- ConfigGroup *m_pRootGroup, // the top (unnamed) group
- *m_pCurrentGroup; // the current group
+ // 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);
-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; }
+ // set/test the dirty flag
+ void SetDirty() { m_isDirty = true; }
+ void ResetDirty() { m_isDirty = false; }
+ bool IsDirty() const { return m_isDirty; }
- 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);
+ wxString m_strLocalFile, // local file name passed to ctor
+ m_strGlobalFile; // 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; }
+ DECLARE_NO_COPY_CLASS(wxFileConfig)
};
#endif
// wxUSE_CONFIG
-#endif
+#endif
//_FILECONF_H
projects / wxWidgets.git / blobdiff