X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8dce54c9e632e0abd820498346e90aff0ae45d70..7da37f2c5d7addc655e3c6bcd29a8877c360b35b:/include/wx/confbase.h?ds=inline diff --git a/include/wx/confbase.h b/include/wx/confbase.h index b2a576c858..58f3b646fb 100644 --- a/include/wx/confbase.h +++ b/include/wx/confbase.h @@ -8,18 +8,18 @@ // RCS-ID: $Id$ // Copyright: (c) 1997 Karsten Ballüder Ballueder@usa.net // Vadim Zeitlin -// Licence: wxWindows license +// Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// -#ifndef _WX_CONFBASE_H_ -#define _WX_CONFBASE_H_ - -#ifdef __GNUG__ -#pragma interface "confbase.h" -#endif +#ifndef _WX_CONFBASE_H_ +#define _WX_CONFBASE_H_ #include "wx/defs.h" #include "wx/string.h" +#include "wx/object.h" +#include "wx/base64.h" + +class WXDLLIMPEXP_FWD_BASE wxArrayString; // ---------------------------------------------------------------------------- // constants @@ -47,8 +47,7 @@ /// should we use registry instead of configuration files under Windows? // (i.e. whether wxConfigBase::Create() will create a wxFileConfig (if it's -// FALSE) or wxRegConfig (if it's true and we're under Win32) or wxIniConfig -// (under Win16)) +// false) or wxRegConfig (if it's true and we're under Win32)) #ifndef wxUSE_CONFIG_NATIVE #define wxUSE_CONFIG_NATIVE 1 #endif @@ -59,7 +58,8 @@ enum wxCONFIG_USE_LOCAL_FILE = 1, wxCONFIG_USE_GLOBAL_FILE = 2, wxCONFIG_USE_RELATIVE_PATH = 4, - wxCONFIG_USE_NO_ESCAPE_CHARACTERS = 8 + wxCONFIG_USE_NO_ESCAPE_CHARACTERS = 8, + wxCONFIG_USE_SUBDIR = 16 }; // ---------------------------------------------------------------------------- @@ -73,7 +73,8 @@ enum // Keys are pairs "key_name = value" where value may be of string or integer // (long) type (TODO doubles and other types such as wxDate coming soon). // ---------------------------------------------------------------------------- -class WXDLLEXPORT wxConfigBase + +class WXDLLIMPEXP_BASE wxConfigBase : public wxObject { public: // constants @@ -92,7 +93,7 @@ public: static wxConfigBase *Set(wxConfigBase *pConfig); // get the config object, creates it on demand unless DontCreateOnDemand // was called - static wxConfigBase *Get(bool createOnDemand = TRUE) + static wxConfigBase *Get(bool createOnDemand = true) { if ( createOnDemand && (!ms_pConfig) ) Create(); return ms_pConfig; } // create a new config object: this function will create the "best" // implementation of wxConfig available for the current platform, see @@ -100,7 +101,7 @@ public: // the created object and also sets it as ms_pConfig. static wxConfigBase *Create(); // should Get() try to create a new log object if the current one is NULL? - static void DontCreateOnDemand() { ms_bAutoCreate = FALSE; } + static void DontCreateOnDemand() { ms_bAutoCreate = false; } // ctor & virtual dtor // ctor (can be used as default ctor too) @@ -135,15 +136,15 @@ public: virtual bool GetNextEntry (wxString& str, long& lIndex) const = 0; // get number of entries/subgroups in the current group, with or without // it's subgroups - virtual size_t GetNumberOfEntries(bool bRecursive = FALSE) const = 0; - virtual size_t GetNumberOfGroups(bool bRecursive = FALSE) const = 0; + virtual size_t GetNumberOfEntries(bool bRecursive = false) const = 0; + virtual size_t GetNumberOfGroups(bool bRecursive = false) const = 0; // tests of existence - // returns TRUE if the group by this name exists + // returns true if the group by this name exists virtual bool HasGroup(const wxString& strName) const = 0; // same as above, but for an entry virtual bool HasEntry(const wxString& strName) const = 0; - // returns TRUE if either a group or an entry with a given name exist + // returns true if either a group or an entry with a given name exist bool Exists(const wxString& strName) const { return HasGroup(strName) || HasEntry(strName); } @@ -154,7 +155,7 @@ public: return HasEntry(name) ? Type_String : Type_Unknown; } - // key access: returns TRUE if value was really read, FALSE if default used + // 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 @@ -177,6 +178,11 @@ public: bool Read(const wxString& key, bool* val) const; bool Read(const wxString& key, bool* val, bool defVal) const; + // read a binary data block + bool Read(const wxString& key, wxMemoryBuffer* data) const + { return DoReadBinary(key, data); } + // no default version since it does not make sense for binary data + // convenience functions returning directly the value (we don't have them for // int/double/bool as there would be ambiguities with the long one then) wxString Read(const wxString& key, @@ -202,15 +208,22 @@ public: bool Write(const wxString& key, bool value) { return DoWriteBool(key, value); } + bool Write(const wxString& key, const wxMemoryBuffer& buf) + { return DoWriteBinary(key, buf); } + // we have to provide a separate version for C strings as otherwise they // would be converted to bool and not to wxString as expected! - bool Write(const wxString& key, const wxChar *value) + bool Write(const wxString& key, const char *value) + { return Write(key, wxString(value)); } +#if wxUSE_WCHAR_T + bool Write(const wxString& key, const wchar_t *value) { return Write(key, wxString(value)); } +#endif // permanently writes all changes - virtual bool Flush(bool bCurrentOnly = FALSE) = 0; + virtual bool Flush(bool bCurrentOnly = false) = 0; - // renaming, all functions return FALSE on failure (probably because the new + // 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, @@ -223,20 +236,20 @@ public: // 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 wxString& key, - bool bDeleteGroupIfEmpty = TRUE) = 0; + bool bDeleteGroupIfEmpty = true) = 0; // delete the group (with all subgroups) virtual bool DeleteGroup(const wxString& key) = 0; // delete the whole underlying object (disk file, registry key, ...) - // primarly for use by desinstallation routine. + // primarily for use by uninstallation routine. virtual bool DeleteAll() = 0; // options // we can automatically expand environment variables in the config entries // (this option is on by default, you can turn it on/off at any time) bool IsExpandingEnvVars() const { return m_bExpandEnvVars; } - void SetExpandEnvVars(bool bDoIt = TRUE) { m_bExpandEnvVars = bDoIt; } + void SetExpandEnvVars(bool bDoIt = true) { m_bExpandEnvVars = bDoIt; } // recording of default values - void SetRecordDefaults(bool bDoIt = TRUE) { m_bRecordDefaults = bDoIt; } + 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; @@ -256,18 +269,27 @@ protected: static bool IsImmutable(const wxString& key) { return !key.IsEmpty() && key[0] == wxCONFIG_IMMUTABLE_PREFIX; } + // return the path without trailing separator, if any: this should be called + // to sanitize paths referring to the group names before passing them to + // wxConfigPathChanger as "/foo/bar/" should be the same as "/foo/bar" and it + // isn't interpreted in the same way by it (and this can't be changed there + // as it's not the same for the entries names) + static wxString RemoveTrailingSeparator(const wxString& key); + // do read/write the values of different types virtual bool DoReadString(const wxString& key, wxString *pStr) const = 0; virtual bool DoReadLong(const wxString& key, long *pl) const = 0; virtual bool DoReadInt(const wxString& key, int *pi) const; virtual bool DoReadDouble(const wxString& key, double* val) const; virtual bool DoReadBool(const wxString& key, bool* val) const; + virtual bool DoReadBinary(const wxString& key, wxMemoryBuffer* buf) const = 0; virtual bool DoWriteString(const wxString& key, const wxString& value) = 0; virtual bool DoWriteLong(const wxString& key, long value) = 0; virtual bool DoWriteInt(const wxString& key, int value); virtual bool DoWriteDouble(const wxString& key, double value); virtual bool DoWriteBool(const wxString& key, bool value); + virtual bool DoWriteBinary(const wxString& key, const wxMemoryBuffer& buf) = 0; private: // are we doing automatic environment variable expansion? @@ -285,6 +307,8 @@ private: // Style flag long m_style; + + DECLARE_ABSTRACT_CLASS(wxConfigBase) }; // a handy little class which changes current path to the path of given entry @@ -292,21 +316,31 @@ private: // you work in the entry directory and the path is automatically restored // when the function returns // Taken out of wxConfig since not all compilers can cope with nested classes. -class wxConfigPathChanger +class WXDLLIMPEXP_BASE wxConfigPathChanger { public: - // ctor/dtor do path changing/restorin + // ctor/dtor do path changing/restoring of the path wxConfigPathChanger(const wxConfigBase *pContainer, const wxString& strEntry); ~wxConfigPathChanger(); // get the key name const wxString& Name() const { return m_strName; } + // this method must be called if the original path (i.e. the current path at + // the moment of creation of this object) could have been deleted to prevent + // us from restoring the not existing (any more) path + // + // if the original path doesn't exist any more, the path will be restored to + // the deepest still existing component of the old path + void UpdateIfDeleted(); + private: wxConfigBase *m_pContainer; // object we live in wxString m_strName, // name of entry (i.e. name only) m_strOldPath; // saved path bool m_bChanged; // was the path changed? + + DECLARE_NO_COPY_CLASS(wxConfigPathChanger) }; @@ -315,17 +349,11 @@ private: // ---------------------------------------------------------------------------- // under Windows we prefer to use the native implementation +// wxIniConfig isn't native anywhere after droping win16 in wxWidgets 2.6 #if defined(__WXMSW__) && wxUSE_CONFIG_NATIVE - #ifdef __WIN32__ #define wxConfig wxRegConfig - #define sm_classwxConfig sm_classwxRegConfig - #else //WIN16 - #define wxConfig wxIniConfig - #define sm_classwxConfig sm_classwxIniConfig - #endif #else // either we're under Unix or wish to use files even under Windows #define wxConfig wxFileConfig - #define sm_classwxConfig sm_classwxFileConfig #endif #endif // wxUSE_CONFIG @@ -336,14 +364,12 @@ private: '_' only. '$' must be escaped ('\$') in order to be taken literally. */ -WXDLLEXPORT wxString wxExpandEnvVars(const wxString &sz); +WXDLLIMPEXP_BASE wxString wxExpandEnvVars(const wxString &sz); /* Split path into parts removing '..' in progress */ -WXDLLEXPORT void wxSplitPath(wxArrayString& aParts, const wxChar *sz); - +WXDLLIMPEXP_BASE void wxSplitPath(wxArrayString& aParts, const wxString& path); -#endif - // _WX_CONFIG_H_ +#endif // _WX_CONFBASE_H_