X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9a83f860948059b0273b5cc6d9e43fadad3ebfca..0f5378d414cb68caaa535199c1af12dec1720c3d:/src/common/config.cpp?ds=sidebyside diff --git a/src/common/config.cpp b/src/common/config.cpp index c3a5e8b8ce..1ca75fa2cf 100644 --- a/src/common/config.cpp +++ b/src/common/config.cpp @@ -43,6 +43,7 @@ #include <stdlib.h> #include <ctype.h> #include <limits.h> // for INT_MAX +#include <float.h> // for FLT_MAX // ---------------------------------------------------------------------------- // global and class static variables @@ -62,10 +63,8 @@ bool wxConfigBase::ms_bAutoCreate = true; wxConfigBase *wxAppTraitsBase::CreateConfig() { return new - #if defined(__WXMSW__) && wxUSE_CONFIG_NATIVE + #if defined(__WINDOWS__) && 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 @@ -180,6 +179,36 @@ bool wxConfigBase::Read(const wxString& key, int *pi, int defVal) const 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; + + 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") ); + + *val = static_cast<float>(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 @@ -190,7 +219,15 @@ bool wxConfigBase::DoReadBool(const wxString& key, bool* val) const if ( !DoReadLong(key, &l) ) return false; - wxASSERT_MSG( l == 0 || l == 1, wxT("bad bool value in wxConfig::DoReadInt") ); + if ( l != 0 && l != 1 ) + { + // Don't assert here as this could happen in the result of user editing + // the file directly and this not indicate a bug in the program but + // still complain that something is wrong. + wxLogWarning(_("Invalid value %ld for a boolean key \"%s\" in " + "config file."), + l, key); + } *val = l != 0; @@ -202,7 +239,14 @@ 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; @@ -225,7 +269,10 @@ wxString wxConfigBase::ExpandEnvVars(const wxString& str) const bool wxConfigBase::DoWriteDouble(const wxString& key, double val) { - return DoWriteString(key, wxString::Format(wxT("%g"), val)); + // 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) @@ -241,10 +288,11 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer, const wxString& strEntry) { m_bChanged = false; - m_pContainer = (wxConfigBase *)pContainer; + m_pContainer = const_cast<wxConfigBase *>(pContainer); - // the path is everything which precedes the last slash - wxString strPath = strEntry.BeforeLast(wxCONFIG_PATH_SEPARATOR); + // the path is everything which precedes the last slash and the name is + // everything after it -- and this works correctly if there is no slash too + wxString strPath = strEntry.BeforeLast(wxCONFIG_PATH_SEPARATOR, &m_strName); // except in the special case of "/keyname" when there is nothing before "/" if ( strPath.empty() && @@ -276,13 +324,6 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer, m_strOldPath += wxCONFIG_PATH_SEPARATOR; m_pContainer->SetPath(strPath); } - - // in any case, use the just the name, not full path - m_strName = strEntry.AfterLast(wxCONFIG_PATH_SEPARATOR); - } - else { - // it's a name only, without path - nothing to do - m_strName = strEntry; } } @@ -344,7 +385,7 @@ enum Bracket Bracket_None, Bracket_Normal = ')', Bracket_Curly = '}', -#ifdef __WXMSW__ +#ifdef __WINDOWS__ Bracket_Windows = '%', // yeah, Windows people are a bit strange ;-) #endif Bracket_Max @@ -358,17 +399,17 @@ wxString wxExpandEnvVars(const wxString& str) size_t m; for ( size_t n = 0; n < str.length(); n++ ) { switch ( str[n].GetValue() ) { -#ifdef __WXMSW__ +#ifdef __WINDOWS__ case wxT('%'): -#endif //WINDOWS +#endif // __WINDOWS__ case wxT('$'): { Bracket bracket; - #ifdef __WXMSW__ + #ifdef __WINDOWS__ if ( str[n] == wxT('%') ) bracket = Bracket_Windows; else - #endif //WINDOWS + #endif // __WINDOWS__ if ( n == str.length() - 1 ) { bracket = Bracket_None; } @@ -393,7 +434,7 @@ wxString wxExpandEnvVars(const wxString& str) while ( m < str.length() && (wxIsalnum(str[m]) || str[m] == wxT('_')) ) m++; - + wxString strVarName(str.c_str() + n + 1, m - n - 1); #ifdef __WXWINCE__ @@ -412,7 +453,7 @@ wxString wxExpandEnvVars(const wxString& str) #endif { // variable doesn't exist => don't change anything - #ifdef __WXMSW__ + #ifdef __WINDOWS__ if ( bracket != Bracket_Windows ) #endif if ( bracket != Bracket_None ) @@ -429,10 +470,10 @@ wxString wxExpandEnvVars(const wxString& str) // // under Unix, OTOH, this warning could be useful for the user to // understand why isn't the variable expanded as intended - #ifndef __WXMSW__ + #ifndef __WINDOWS__ wxLogWarning(_("Environment variables expansion failed: missing '%c' at position %u in '%s'."), (char)bracket, (unsigned int) (m + 1), str.c_str()); - #endif // __WXMSW__ + #endif // __WINDOWS__ } else { // skip closing bracket unless the variables wasn't expanded