X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/43b2d5e7c3b3e3d6b245e279dde73d96e0075911..c13d6ac1ea199d1e3908d40d129e2fd5a4d82df7:/src/common/config.cpp diff --git a/src/common/config.cpp b/src/common/config.cpp index 8b1fdf83f0..12c8213002 100644 --- a/src/common/config.cpp +++ b/src/common/config.cpp @@ -43,6 +43,7 @@ #include #include #include // for INT_MAX +#include // for FLT_MAX // ---------------------------------------------------------------------------- // global and class static variables @@ -105,7 +106,7 @@ wxConfigBase *wxConfigBase::Create() { if ( ms_bAutoCreate && ms_pConfig == NULL ) { wxAppTraits * const traits = wxTheApp ? wxTheApp->GetTraits() : NULL; - wxCHECK_MSG( traits, NULL, _T("create wxApp before calling this") ); + wxCHECK_MSG( traits, NULL, wxT("create wxApp before calling this") ); ms_pConfig = traits->CreateConfig(); } @@ -121,7 +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; \ @@ -135,7 +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 ) \ @@ -166,7 +167,7 @@ bool wxConfigBase::Read(const wxString& key, int *pi) const { long l = *pi; bool r = Read(key, &l); - wxASSERT_MSG( l < INT_MAX, _T("int overflow in wxConfig::Read") ); + wxASSERT_MSG( l < INT_MAX, wxT("int overflow in wxConfig::Read") ); *pi = (int)l; return r; } @@ -175,22 +176,60 @@ 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, _T("int overflow in wxConfig::Read") ); + 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; + + 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(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") ); + 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 +241,14 @@ 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 +271,10 @@ wxString wxConfigBase::ExpandEnvVars(const wxString& str) const bool wxConfigBase::DoWriteDouble(const wxString& key, double val) { - return DoWriteString(key, wxString::Format(_T("%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 +290,11 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer, const wxString& strEntry) { m_bChanged = false; - m_pContainer = (wxConfigBase *)pContainer; + m_pContainer = const_cast(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() && @@ -269,20 +319,13 @@ wxConfigPathChanger::wxConfigPathChanger(const wxConfigBase *pContainer, pConfig->SetPath(wxT("MySettings")); pConfig->SetPath(wxT("..")); int value; - pConfig->Read(_T("MainWindowX"), & value); + pConfig->Read(wxT("MainWindowX"), & value); */ m_strOldPath = m_pContainer->GetPath().wc_str(); if ( *m_strOldPath.c_str() != wxCONFIG_PATH_SEPARATOR ) 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; } } @@ -393,7 +436,7 @@ 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__