X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c801d85f158c4cba50b588807daabdcbd0ed3853..bfac8499858dbb52ae4e712b718dcd08e777b4c2:/src/common/config.cpp diff --git a/src/common/config.cpp b/src/common/config.cpp index ddb5a9d716..401d25f236 100644 --- a/src/common/config.cpp +++ b/src/common/config.cpp @@ -1,47 +1,252 @@ /////////////////////////////////////////////////////////////////////////////// // Name: config.cpp -// Purpose: implementation of wxConfig class +// Purpose: implementation of wxConfigBase class // Author: Vadim Zeitlin -// Modified by: +// Modified by: // Created: 07.04.98 // RCS-ID: $Id$ -// Copyright: (c) 1997 Karsten Ballüder Ballueder@usa.net +// Copyright: (c) 1997 Karsten Ballüder Ballueder@usa.net // Vadim Zeitlin // Licence: wxWindows license /////////////////////////////////////////////////////////////////////////////// -// ============================================================================ +// ---------------------------------------------------------------------------- // headers -// ============================================================================ +// ---------------------------------------------------------------------------- #ifdef __GNUG__ -#pragma implementation "app.h" + #pragma implementation "confbase.h" +#endif + +#include "wx/wxprec.h" + +#ifndef WX_PRECOMP + #include "wx/wx.h" #endif -#include "wx/wxprec.h" +#if wxUSE_CONFIG #ifdef __BORLANDC__ #pragma hdrstop #endif //__BORLANDC__ -#include -#include -#include -#include -#include -#include +#include "wx/app.h" +#include "wx/file.h" +#include "wx/log.h" +#include "wx/textfile.h" +#include "wx/utils.h" + +#include "wx/config.h" #include -#include +#include +#include // for isalnum() + +// ---------------------------------------------------------------------------- +// global and class static variables +// ---------------------------------------------------------------------------- + +wxConfigBase *wxConfigBase::ms_pConfig = NULL; +bool wxConfigBase::ms_bAutoCreate = TRUE; // ============================================================================ // implementation // ============================================================================ // ---------------------------------------------------------------------------- -// wxConfig +// wxConfigBase // ---------------------------------------------------------------------------- -wxConfig::~wxConfig() + +// Not all args will always be used by derived classes, but +// including them all in each class ensures compatibility. +wxConfigBase::wxConfigBase(const wxString& appName, const wxString& vendorName, + const wxString& WXUNUSED(localFilename), const wxString& WXUNUSED(globalFilename), long style): + m_appName(appName), m_vendorName(vendorName), m_style(style) +{ + m_bExpandEnvVars = TRUE; m_bRecordDefaults = FALSE; +} + +wxConfigBase *wxConfigBase::Set(wxConfigBase *pConfig) +{ + wxConfigBase *pOld = ms_pConfig; + ms_pConfig = pConfig; + return pOld; +} + +wxConfigBase *wxConfigBase::Create() +{ + if ( ms_bAutoCreate && ms_pConfig == NULL ) { + ms_pConfig = + #if defined(__WXMSW__) && defined(wxCONFIG_WIN32_NATIVE) + #ifdef __WIN32__ + new wxRegConfig(wxTheApp->GetAppName(), wxTheApp->GetVendorName()); + #else //WIN16 + new wxIniConfig(wxTheApp->GetAppName(), wxTheApp->GetVendorName()); + #endif + #else // either we're under Unix or wish to use files even under Windows + new wxFileConfig(wxTheApp->GetAppName()); + #endif + } + + return ms_pConfig; +} + +wxString wxConfigBase::Read(const wxString& key, const wxString& defVal) const { + wxString s; + Read(key, &s, defVal); + return s; +} + +bool wxConfigBase::Read(const wxString& key, wxString *str, const wxString& defVal) const +{ + if (!Read(key, str)) + { + *str = ExpandEnvVars(defVal); + return FALSE; + } + else + return TRUE; +} + +bool wxConfigBase::Read(const wxString& key, long *pl, long defVal) const +{ + if (!Read(key, pl)) + { + *pl = defVal; + return FALSE; + } + else + return TRUE; +} + +bool wxConfigBase::Read(const wxString& key, double* val) const +{ + wxString str; + if (Read(key, & str)) + { + *val = wxAtof(str); + return TRUE; + } + else + return FALSE; +} + +bool wxConfigBase::Read(const wxString& key, double* val, double defVal) const +{ + if (!Read(key, val)) + { + *val = defVal; + return FALSE; + } + else + return TRUE; +} + +bool wxConfigBase::Read(const wxString& key, bool* val) const +{ + long l; + if (Read(key, & l)) + { + *val = (l != 0); + return TRUE; + } + else + return FALSE; +} + +bool wxConfigBase::Read(const wxString& key, bool* val, bool defVal) const +{ + if (!Read(key, val)) + { + *val = defVal; + return FALSE; + } + else + return TRUE; +} + +// Convenience functions + +bool wxConfigBase::Read(const wxString& key, int *pi) const +{ + long l; + bool ret = Read(key, &l); + if (ret) + *pi = (int) l; + return ret; +} + +bool wxConfigBase::Read(const wxString& key, int *pi, int defVal) const +{ + long l; + bool ret = Read(key, &l, (long) defVal); + *pi = (int) l; + return ret; +} + +bool wxConfigBase::Write(const wxString& key, double val) +{ + wxString str; + str.Printf(_T("%f"), val); + return Write(key, str); +} + +bool wxConfigBase::Write(const wxString& key, bool value) +{ + long l = (value ? 1 : 0); + return Write(key, l); +} + +wxString wxConfigBase::ExpandEnvVars(const wxString& str) const +{ + wxString tmp; // Required for BC++ + if (IsExpandingEnvVars()) + tmp = wxExpandEnvVars(str); + else + tmp = str; + return tmp; +} + +// ---------------------------------------------------------------------------- +// wxConfigPathChanger +// ---------------------------------------------------------------------------- + +wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer, + const wxString& strEntry) +{ + m_pContainer = (wxConfigBase *)pContainer; + + // the path is everything which precedes the last slash + wxString strPath = strEntry.BeforeLast(wxCONFIG_PATH_SEPARATOR); + + // except in the special case of "/keyname" when there is nothing before "/" + if ( strPath.IsEmpty() && + ((!strEntry.IsEmpty()) && strEntry[0] == wxCONFIG_PATH_SEPARATOR) ) + { + strPath = wxCONFIG_PATH_SEPARATOR; + } + + if ( !strPath.IsEmpty() ) { + // do change the path + m_bChanged = TRUE; + m_strName = strEntry.AfterLast(wxCONFIG_PATH_SEPARATOR); + m_strOldPath = m_pContainer->GetPath(); + m_strOldPath += wxCONFIG_PATH_SEPARATOR; + m_pContainer->SetPath(strPath); + } + else { + // it's a name only, without path - nothing to do + m_bChanged = FALSE; + m_strName = strEntry; + } +} + +wxConfigPathChanger::~wxConfigPathChanger() +{ + // only restore path if it was changed + if ( m_bChanged ) { + m_pContainer->SetPath(m_strOldPath); + } } // ---------------------------------------------------------------------------- @@ -51,32 +256,33 @@ wxConfig::~wxConfig() // understands both Unix and Windows (but only under Windows) environment // variables expansion: i.e. $var, $(var) and ${var} are always understood // and in addition under Windows %var% is also. -wxString ExpandEnvVars(const wxString& str) +wxString wxExpandEnvVars(const wxString& str) { wxString strResult; + strResult.Alloc(str.Len()); // don't change the values the enum elements: they must be equal // to the matching [closing] delimiter. enum Bracket - { - Bracket_None, - Bracket_Normal = ')', - Bracket_Curly = '}', -#ifdef __WINDOWS__ - Bracket_Windows = '%' // yeah, Windows people are a bit strange ;-) + { + Bracket_None, + Bracket_Normal = ')', + Bracket_Curly = '}' +#ifdef __WXMSW__ + ,Bracket_Windows = '%' // yeah, Windows people are a bit strange ;-) #endif }; - uint m; - for ( uint n = 0; n < str.Len(); n++ ) { + size_t m; + for ( size_t n = 0; n < str.Len(); n++ ) { switch ( str[n] ) { -#ifdef __WINDOWS__ +#ifdef __WXMSW__ case '%': #endif //WINDOWS case '$': { Bracket bracket; - #ifdef __WINDOWS__ + #ifdef __WXMSW__ if ( str[n] == '%' ) bracket = Bracket_Windows; else @@ -86,8 +292,8 @@ wxString ExpandEnvVars(const wxString& str) } else { switch ( str[n + 1] ) { - case '(': - bracket = Bracket_Normal; + case '(': + bracket = Bracket_Normal; n++; // skip the bracket break; @@ -108,13 +314,13 @@ wxString ExpandEnvVars(const wxString& str) wxString strVarName(str.c_str() + n + 1, m - n - 1); - const char *pszValue = getenv(strVarName); + const wxChar *pszValue = wxGetenv(strVarName); if ( pszValue != NULL ) { strResult += pszValue; } else { // variable doesn't exist => don't change anything - #ifdef __WINDOWS__ + #ifdef __WXMSW__ if ( bracket != Bracket_Windows ) #endif if ( bracket != Bracket_None ) @@ -125,11 +331,12 @@ wxString ExpandEnvVars(const wxString& str) // check the closing bracket if ( bracket != Bracket_None ) { if ( m == str.Len() || str[m] != (char)bracket ) { - wxLogWarning("missing '%c' at position %d in '%s'.", + wxLogWarning(_("Environment variables expansion failed: " + "missing '%c' at position %d in '%s'."), (char)bracket, m + 1, str.c_str()); } else { - // skip closing bracket + // skip closing bracket unless the variables wasn't expanded if ( pszValue == NULL ) strResult << (char)bracket; m++; @@ -141,8 +348,13 @@ wxString ExpandEnvVars(const wxString& str) break; case '\\': - n++; - // fall through + // backslash can be used to suppress special meaning of % and $ + if ( n != str.Len() && (str[n + 1] == '%' || str[n + 1] == '$') ) { + strResult += str[++n]; + + break; + } + //else: fall through default: strResult += str[n]; @@ -151,3 +363,44 @@ wxString ExpandEnvVars(const wxString& str) return strResult; } + +// this function is used to properly interpret '..' in path +void wxSplitPath(wxArrayString& aParts, const wxChar *sz) +{ + aParts.Empty(); + + wxString strCurrent; + const wxChar *pc = sz; + for ( ;; ) { + if ( *pc == _T('\0') || *pc == wxCONFIG_PATH_SEPARATOR ) { + if ( strCurrent == _T(".") ) { + // ignore + } + else if ( strCurrent == _T("..") ) { + // go up one level + if ( aParts.IsEmpty() ) + wxLogWarning(_("'%s' has extra '..', ignored."), sz); + else + aParts.Remove(aParts.Count() - 1); + + strCurrent.Empty(); + } + else if ( !strCurrent.IsEmpty() ) { + aParts.Add(strCurrent); + strCurrent.Empty(); + } + //else: + // could log an error here, but we prefer to ignore extra '/' + + if ( *pc == _T('\0') ) + return; + } + else + strCurrent += *pc; + + pc++; + } +} + +#endif // wxUSE_CONFIG +