X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c9f7896861f734ce044ee8601ba2d8a6959c9d9e..9572bf1d442006beba3528dc00c3fc05eb523c24:/src/common/config.cpp diff --git a/src/common/config.cpp b/src/common/config.cpp index 15d559eb65..81ff589b68 100644 --- a/src/common/config.cpp +++ b/src/common/config.cpp @@ -5,7 +5,7 @@ // Modified by: // Created: 07.04.98 // RCS-ID: $Id$ -// Copyright: (c) 1997 Karsten Ballüder Ballueder@usa.net +// Copyright: (c) 1997 Karsten Ballueder Ballueder@usa.net // Vadim Zeitlin // Licence: wxWindows licence /////////////////////////////////////////////////////////////////////////////// @@ -37,11 +37,13 @@ #if wxUSE_CONFIG && ((wxUSE_FILE && wxUSE_TEXTFILE) || wxUSE_CONFIG_NATIVE) +#include "wx/apptrait.h" #include "wx/file.h" #include #include #include // for INT_MAX +#include // for FLT_MAX // ---------------------------------------------------------------------------- // global and class static variables @@ -54,6 +56,22 @@ bool wxConfigBase::ms_bAutoCreate = true; // implementation // ============================================================================ +// ---------------------------------------------------------------------------- +// wxAppTraitsBase +// ---------------------------------------------------------------------------- + +wxConfigBase *wxAppTraitsBase::CreateConfig() +{ + return new + #if defined(__WXMSW__) && wxUSE_CONFIG_NATIVE + wxRegConfig(wxTheApp->GetAppName(), wxTheApp->GetVendorName()); + #elif defined(__WXPALMOS__) && wxUSE_CONFIG_NATIVE + wxPrefConfig(wxTheApp->GetAppName()); + #else // either we're under Unix or wish to use files even under Windows + wxFileConfig(wxTheApp->GetAppName()); + #endif +} + // ---------------------------------------------------------------------------- // wxConfigBase // ---------------------------------------------------------------------------- @@ -87,14 +105,10 @@ wxConfigBase *wxConfigBase::Set(wxConfigBase *pConfig) wxConfigBase *wxConfigBase::Create() { if ( ms_bAutoCreate && ms_pConfig == NULL ) { - ms_pConfig = - #if defined(__WXMSW__) && wxUSE_CONFIG_NATIVE - new wxRegConfig(wxTheApp->GetAppName(), wxTheApp->GetVendorName()); - #elif defined(__WXPALMOS__) && wxUSE_CONFIG_NATIVE - new wxPrefConfig(wxTheApp->GetAppName()); - #else // either we're under Unix or wish to use files even under Windows - new wxFileConfig(wxTheApp->GetAppName()); - #endif + wxAppTraits * const traits = wxTheApp ? wxTheApp->GetTraits() : NULL; + wxCHECK_MSG( traits, NULL, wxT("create wxApp before calling this") ); + + ms_pConfig = traits->CreateConfig(); } return ms_pConfig; @@ -108,7 +122,7 @@ wxConfigBase *wxConfigBase::Create() #define IMPLEMENT_READ_FOR_TYPE(name, type, deftype, extra) \ bool wxConfigBase::Read(const wxString& key, type *val) const \ { \ - wxCHECK_MSG( val, false, _T("wxConfig::Read(): NULL parameter") ); \ + wxCHECK_MSG( val, false, wxT("wxConfig::Read(): NULL parameter") ); \ \ if ( !DoRead##name(key, val) ) \ return false; \ @@ -122,7 +136,7 @@ wxConfigBase *wxConfigBase::Create() type *val, \ deftype defVal) const \ { \ - wxCHECK_MSG( val, false, _T("wxConfig::Read(): NULL parameter") ); \ + wxCHECK_MSG( val, false, wxT("wxConfig::Read(): NULL parameter") ); \ \ bool read = DoRead##name(key, val); \ if ( !read ) \ @@ -143,38 +157,71 @@ wxConfigBase *wxConfigBase::Create() IMPLEMENT_READ_FOR_TYPE(String, wxString, const wxString&, ExpandEnvVars) IMPLEMENT_READ_FOR_TYPE(Long, long, long, long) -IMPLEMENT_READ_FOR_TYPE(Int, int, int, int) IMPLEMENT_READ_FOR_TYPE(Double, double, double, double) IMPLEMENT_READ_FOR_TYPE(Bool, bool, bool, bool) #undef IMPLEMENT_READ_FOR_TYPE -// the DoReadXXX() for the other types have implementation in the base class -// but can be overridden in the derived ones -bool wxConfigBase::DoReadInt(const wxString& key, int *pi) const +// int is stored as long +bool wxConfigBase::Read(const wxString& key, int *pi) const { - wxCHECK_MSG( pi, false, _T("wxConfig::Read(): NULL parameter") ); + long l = *pi; + bool r = Read(key, &l); + wxASSERT_MSG( l < INT_MAX, wxT("int overflow in wxConfig::Read") ); + *pi = (int)l; + return r; +} - long l; - if ( !DoReadLong(key, &l) ) +bool wxConfigBase::Read(const wxString& key, int *pi, int defVal) const +{ + long l = *pi; + bool r = Read(key, &l, defVal); + wxASSERT_MSG( l < INT_MAX, wxT("int overflow in wxConfig::Read") ); + *pi = (int)l; + return r; +} + +// Read floats as doubles then just type cast it down. +bool wxConfigBase::Read(const wxString& key, float* val) const +{ + wxCHECK_MSG( val, false, wxT("wxConfig::Read(): NULL parameter") ); + + double temp; + if ( !Read(key, &temp) ) return false; - wxASSERT_MSG( l < INT_MAX, _T("overflow in wxConfig::DoReadInt") ); + wxCHECK_MSG( fabs(temp) <= FLT_MAX, false, + wxT("float overflow in wxConfig::Read") ); + wxCHECK_MSG( (temp == 0.0) || (fabs(temp) >= FLT_MIN), false, + wxT("float underflow in wxConfig::Read") ); - *pi = (int)l; + *val = static_cast(temp); return true; } +bool wxConfigBase::Read(const wxString& key, float* val, float defVal) const +{ + wxCHECK_MSG( val, false, wxT("wxConfig::Read(): NULL parameter") ); + + if ( Read(key, val) ) + return true; + + *val = defVal; + return false; +} + +// the DoReadXXX() for the other types have implementation in the base class +// but can be overridden in the derived ones bool wxConfigBase::DoReadBool(const wxString& key, bool* val) const { - wxCHECK_MSG( val, false, _T("wxConfig::Read(): NULL parameter") ); + wxCHECK_MSG( val, false, wxT("wxConfig::Read(): NULL parameter") ); long l; if ( !DoReadLong(key, &l) ) return false; - wxASSERT_MSG( l == 0 || l == 1, _T("bad bool value in wxConfig::DoReadInt") ); + wxASSERT_MSG( l == 0 || l == 1, wxT("bad bool value in wxConfig::DoReadInt") ); *val = l != 0; @@ -186,7 +233,14 @@ bool wxConfigBase::DoReadDouble(const wxString& key, double* val) const wxString str; if ( Read(key, &str) ) { - return str.ToDouble(val); + if ( str.ToCDouble(val) ) + return true; + + // Previous versions of wxFileConfig wrote the numbers out using the + // current locale and not the C one as now, so attempt to parse the + // string as a number in the current locale too, for compatibility. + if ( str.ToDouble(val) ) + return true; } return false; @@ -209,12 +263,10 @@ wxString wxConfigBase::ExpandEnvVars(const wxString& str) const bool wxConfigBase::DoWriteDouble(const wxString& key, double val) { - return DoWriteString(key, wxString::Format(_T("%g"), val)); -} - -bool wxConfigBase::DoWriteInt(const wxString& key, int value) -{ - return DoWriteLong(key, (long)value); + // Notice that we always write out the numbers in C locale and not the + // current one. This makes the config files portable between machines using + // different locales. + return DoWriteString(key, wxString::FromCDouble(val)); } bool wxConfigBase::DoWriteBool(const wxString& key, bool value) @@ -251,16 +303,16 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer, /* JACS: work around a memory bug that causes an assert when using wxRegConfig, related to reference-counting. - Can be reproduced by removing (const wxChar*) below and + Can be reproduced by removing .wc_str() below and adding the following code to the config sample OnInit under Windows: pConfig->SetPath(wxT("MySettings")); pConfig->SetPath(wxT("..")); int value; - pConfig->Read(_T("MainWindowX"), & value); + pConfig->Read(wxT("MainWindowX"), & value); */ - m_strOldPath = (const wxChar*) m_pContainer->GetPath(); + m_strOldPath = m_pContainer->GetPath().wc_str(); if ( *m_strOldPath.c_str() != wxCONFIG_PATH_SEPARATOR ) m_strOldPath += wxCONFIG_PATH_SEPARATOR; m_pContainer->SetPath(strPath); @@ -386,19 +438,20 @@ wxString wxExpandEnvVars(const wxString& str) wxString strVarName(str.c_str() + n + 1, m - n - 1); #ifdef __WXWINCE__ - const wxChar *pszValue = NULL; + const bool expanded = false; #else // NB: use wxGetEnv instead of wxGetenv as otherwise variables // set through wxSetEnv may not be read correctly! - const wxChar *pszValue = NULL; + bool expanded = false; wxString tmp; if (wxGetEnv(strVarName, &tmp)) - pszValue = tmp; -#endif - if ( pszValue != NULL ) { - strResult += pszValue; + { + strResult += tmp; + expanded = true; } - else { + else +#endif + { // variable doesn't exist => don't change anything #ifdef __WXMSW__ if ( bracket != Bracket_Windows ) @@ -424,8 +477,8 @@ wxString wxExpandEnvVars(const wxString& str) } else { // skip closing bracket unless the variables wasn't expanded - if ( pszValue == NULL ) - strResult << (char)bracket; + if ( !expanded ) + strResult << (wxChar)bracket; m++; } } @@ -453,23 +506,27 @@ wxString wxExpandEnvVars(const wxString& str) } // this function is used to properly interpret '..' in path -void wxSplitPath(wxArrayString& aParts, const wxChar *sz) +void wxSplitPath(wxArrayString& aParts, const wxString& path) { aParts.clear(); wxString strCurrent; - const wxChar *pc = sz; + wxString::const_iterator pc = path.begin(); for ( ;; ) { - if ( *pc == wxT('\0') || *pc == wxCONFIG_PATH_SEPARATOR ) { + if ( pc == path.end() || *pc == wxCONFIG_PATH_SEPARATOR ) { if ( strCurrent == wxT(".") ) { // ignore } else if ( strCurrent == wxT("..") ) { // go up one level if ( aParts.size() == 0 ) - wxLogWarning(_("'%s' has extra '..', ignored."), sz); + { + wxLogWarning(_("'%s' has extra '..', ignored."), path); + } else + { aParts.erase(aParts.end() - 1); + } strCurrent.Empty(); } @@ -480,12 +537,12 @@ void wxSplitPath(wxArrayString& aParts, const wxChar *sz) //else: // could log an error here, but we prefer to ignore extra '/' - if ( *pc == wxT('\0') ) + if ( pc == path.end() ) break; } else strCurrent += *pc; - pc++; + ++pc; } }