X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f5ae0449375b9ad7ccc2faa2e7708d9e74a9c4a4..7be1f0d91a912a73b110157170124830446e15e1:/include/wx/fileconf.h?ds=sidebyside diff --git a/include/wx/fileconf.h b/include/wx/fileconf.h index e499328236..532f0c4a63 100644 --- a/include/wx/fileconf.h +++ b/include/wx/fileconf.h @@ -1,17 +1,14 @@ -/*****************************************************************************\ - * Project: CppLib: C++ library for Windows/UNIX platfroms * - * File: fileconf.h - file based implementation of Config * - *---------------------------------------------------------------------------* - * Language: C++ * - * Platfrom: Any * - *---------------------------------------------------------------------------* - * Classes: * - *---------------------------------------------------------------------------* - * Author: Vadim Zeitlin zeitlin@dptmaths.ens-cachan.fr> * - * adapted from earlier class by VZ & Karsten Ballüder * - * History: * - * 27.04.98 created * -\*****************************************************************************/ +/////////////////////////////////////////////////////////////////////////////// +// Name: fileconf.h +// 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 +// Ballueder@usa.net +// Licence: wxWindows license +/////////////////////////////////////////////////////////////////////////////// #ifndef _FILECONF_H #define _FILECONF_H @@ -20,14 +17,18 @@ #pragma interface "fileconf.h" #endif +#include "wx/defs.h" +#include "wx/textfile.h" +#include "wx/string.h" + // ---------------------------------------------------------------------------- // compile options // ---------------------------------------------------------------------------- // it won't compile without it anyhow -#ifndef USE_WXCONFIG - #error "Please define USE_WXCONFIG or remove fileconf.cpp from your makefile" -#endif // USE_WXCONFIG +#ifndef wxUSE_CONFIG + #error "Please define wxUSE_CONFIG or remove fileconf.cpp from your makefile" +#endif // wxUSE_CONFIG // ---------------------------------------------------------------------------- // wxFileConfig @@ -83,10 +84,22 @@ and local value is ignored. Of course, the changes are always written to local file only. - @@@@ describe environment variable expansion + The names of these files can be specified in a number of ways. First of all, + you can use the standard convention: using the ctor which takes 'strAppName' + parameter will probably be sufficient for 90% of cases. If, for whatever + reason you wish to use the files with some other names, you can always use the + second ctor. + + wxFileConfig also may automatically expand the values of environment variables + 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 + (it's on by default, the current status can be retrieved with + IsExpandingEnvVars function). */ -class wxFileConfig : public wxConfig +class wxFileConfig : public wxConfigBase { public: // construct the "standard" full name for global (system-wide) and @@ -103,9 +116,27 @@ public: static wxString GetLocalFileName(const char *szFile); // ctor & dtor - // if strGlobal is empty, only local config file is used - wxFileConfig(const wxString& strLocal, - const wxString& strGlobal = ""); + +#if 0 + // the names of local and global (if not disabled) config files are + // constructed using Get{Local|Global}FileName functions described above + // (szAppName is just the (short) name of your application) + wxFileConfig(const char *szAppName, bool bLocalOnly = FALSE); + // this ctor allows you to specify custom names for both files (if strGlobal + // isn't a full path, it's considered to be relative to the standard + // directory, i.e. /etc under Unix and %windir% under Windows, if strLocal + // is not an absolute path, it's considered to be relative to the user's + // directory). If either of strings is empty, the corresponding file is not + // used. + wxFileConfig(const wxString& strLocal, const wxString& strGlobal); +#endif + + // 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 = "", + const wxString& localFilename = "", const wxString& globalFilename = "", + long style = wxCONFIG_USE_LOCAL_FILE); + // dtor will save unsaved data virtual ~wxFileConfig(); @@ -113,27 +144,44 @@ public: virtual void SetPath(const wxString& strPath); virtual const wxString& GetPath() const { return m_strPath; } - virtual bool GetFirstGroup(wxString& str, long& lIndex); - virtual bool GetNextGroup (wxString& str, long& lIndex); - virtual bool GetFirstEntry(wxString& str, long& lIndex); - virtual bool GetNextEntry (wxString& str, long& lIndex); + 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 bool HasGroup(const wxString& strName) const; virtual bool HasEntry(const wxString& strName) const; - virtual bool Read(wxString *pstr, const char *szKey, - const char *szDefault = 0) const; - virtual const char *Read(const char *szKey, - const char *szDefault = 0) const; - virtual bool Read(long *pl, const char *szKey, long lDefault) const; - virtual long Read(const char *szKey, long lDefault) const - { return wxConfig::Read(szKey, lDefault); } - virtual bool Write(const char *szKey, const char *szValue); - virtual bool Write(const char *szKey, long lValue); + 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); } + + virtual bool Write(const wxString& key, const wxString& szValue); + virtual bool Write(const wxString& key, long lValue); + virtual bool Flush(bool bCurrentOnly = FALSE); - virtual bool DeleteEntry(const char *szKey, bool bGroupIfEmptyAlso); - virtual bool DeleteGroup(const char *szKey); + virtual bool DeleteEntry(const wxString& key, bool bGroupIfEmptyAlso); + virtual bool DeleteGroup(const wxString& szKey); virtual bool DeleteAll(); public: @@ -145,15 +193,16 @@ public: class LineList { public: + void SetNext(LineList *pNext) { m_pNext = pNext; } + void SetPrev(LineList *pPrev) { m_pPrev = pPrev; } + // ctor - LineList(const wxString& str, LineList *pNext = NULL) : m_strLine(str) - { SetNext(pNext); SetPrev(NULL); } + 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 SetNext(LineList *pNext) { m_pNext = pNext; } - void SetPrev(LineList *pPrev) { m_pPrev = pPrev; } // void SetText(const wxString& str) { m_strLine = str; } @@ -173,9 +222,17 @@ public: bool LineListIsEmpty(); private: - // put the object in the initial state + // GetXXXFileame helpers: return ('/' terminated) directory names + static wxString GetGlobalDir(); + static wxString GetLocalDir(); + + // common part of all ctors (assumes that m_str{Local|Global}File are already + // initialized void Init(); + // common part of from dtor and DeleteAll + void CleanUp(); + // parse the whole file void Parse(wxTextFile& file, bool bLocal); @@ -231,19 +288,21 @@ public: void SetLine(LineList *pLine); }; -protected: class ConfigGroup { private: - wxFileConfig *m_pConfig; // config object we belong to - ConfigGroup *m_pParent; // parent group (NULL for root group) - ArrayEntries m_aEntries; // entries in this group - 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 of this group in the local file - ConfigGroup *m_pLastGroup; // last subgroup + wxFileConfig *m_pConfig; // config object we belong to + ConfigGroup *m_pParent; // parent group (NULL for root group) + ArrayEntries m_aEntries; // entries in this group + 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 @@ -258,16 +317,16 @@ protected: wxFileConfig *Config() const { return m_pConfig; } bool IsDirty() const { return m_bDirty; } - bool IsEmpty() const { return Entries().IsEmpty() && Groups().IsEmpty(); } const ArrayEntries& Entries() const { return m_aEntries; } const ArrayGroups& Groups() const { return m_aSubgroups; } + bool IsEmpty() const { return Entries().IsEmpty() && Groups().IsEmpty(); } // find entry/subgroup (NULL if not found) ConfigGroup *FindSubgroup(const char *szName) const; ConfigEntry *FindEntry (const char *szName) const; // delete entry/subgroup, return FALSE if doesn't exist - bool DeleteSubgroup(const char *szName); + bool DeleteSubgroupByName(const char *szName); bool DeleteEntry(const char *szName); // create new entry/subgroup returning pointer to newly created element @@ -278,17 +337,17 @@ protected: void SetDirty(); void SetLine(LineList *pLine); - // the new entries in this subgroup will be inserted after the last subgroup - // or, if there is none, after the last entry - void SetLastEntry(ConfigEntry *pLastEntry) { m_pLastEntry = pLastEntry; } - void SetLastGroup(ConfigGroup *pLastGroup) { m_pLastGroup = pLastGroup; } - + // wxString GetFullName() const; // get the last line belonging to an entry/subgroup of this group - LineList *GetGroupLine(); - LineList *GetLastEntryLine(); - LineList *GetLastGroupLine(); + 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; } }; };