#ifndef WX_PRECOMP
#include "wx/string.h"
#include "wx/wxcrtvararg.h"
+ #include "wx/intl.h"
#include "wx/log.h"
#endif
#include "wx/msw/wrapwin.h"
#endif // __WXMSW__
+#if wxUSE_STD_IOSTREAM
+ #include <sstream>
+#endif
+
// string handling functions used by wxString:
#if wxUSE_UNICODE_UTF8
#define wxStringMemcpy memcpy
#define wxStringStrlen wxStrlen
#endif
-// ----------------------------------------------------------------------------
-// global variables
-// ----------------------------------------------------------------------------
-
+// define a function declared in wx/buffer.h here as we don't have buffer.cpp
+// and don't want to add it just because of this simple function
namespace wxPrivate
{
-static UntypedBufferData s_untypedNullData(NULL, 0);
+// wxXXXBuffer classes can be (implicitly) used during global statics
+// initialization so wrap the status UntypedBufferData variable in a function
+// to make it safe to access it even before all global statics are initialized
+UntypedBufferData *GetUntypedNullData()
+{
+ static UntypedBufferData s_untypedNullData(NULL, 0);
-UntypedBufferData * const untypedNullDataPtr = &s_untypedNullData;
+ return &s_untypedNullData;
+}
} // namespace wxPrivate
int wxString::CmpNoCase(const wxString& s) const
{
#if defined(__WXMSW__) && !wxUSE_UNICODE_UTF8
- // prefer to use CompareString() if available as it's more efficient than
- // doing it manual or even using wxStricmp() (see #10375)
- switch ( ::CompareString(LOCALE_USER_DEFAULT, NORM_IGNORECASE,
+ // Prefer to use CompareString() if available as it's more efficient than
+ // doing it manually or even using wxStricmp() (see #10375)
+ //
+ // Also note that not using NORM_STRINGSORT may result in not having a
+ // strict weak ordering (e.g. s1 < s2 and s2 < s3 but s3 < s1) and so break
+ // algorithms such as std::sort that rely on it. It's also more consistent
+ // with the fall back version below.
+ switch ( ::CompareString(LOCALE_USER_DEFAULT,
+ NORM_IGNORECASE | SORT_STRINGSORT,
m_impl.c_str(), m_impl.length(),
s.m_impl.c_str(), s.m_impl.length()) )
{
const wxStringCharType *start = wx_str(); \
wxStringCharType *end;
+// notice that we return false without modifying the output parameter at all if
+// nothing could be parsed but we do modify it and return false then if we did
+// parse something successfully but not the entire string
#define WX_STRING_TO_X_TYPE_END \
- /* return true only if scan was stopped by the terminating NUL and */ \
- /* if the string was not empty to start with and no under/overflow */ \
- /* occurred: */ \
- if ( *end || end == start DO_IF_NOT_WINCE(|| errno == ERANGE) ) \
+ if ( end == start DO_IF_NOT_WINCE(|| errno == ERANGE) ) \
return false; \
*pVal = val; \
- return true;
+ return !*end;
bool wxString::ToLong(long *pVal, int base) const
{
WX_STRING_TO_X_TYPE_END
}
-#endif // wxUSE_XLOCALE
+#else // wxUSE_XLOCALE
+
+// Provide implementation of these functions even when wxUSE_XLOCALE is
+// disabled, we still need them in wxWidgets internal code.
+
+// For integers we just assume the current locale uses the same number
+// representation as the C one as there is nothing else we can do.
+bool wxString::ToCLong(long *pVal, int base) const
+{
+ return ToLong(pVal, base);
+}
+
+bool wxString::ToCULong(unsigned long *pVal, int base) const
+{
+ return ToULong(pVal, base);
+}
+
+// For floating point numbers we have to handle the problem of the decimal
+// point which is different in different locales.
+bool wxString::ToCDouble(double *pVal) const
+{
+ // Create a copy of this string using the decimal point instead of whatever
+ // separator the current locale uses.
+#if wxUSE_INTL
+ wxString sep = wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT,
+ wxLOCALE_CAT_NUMBER);
+ if ( sep == "." )
+ {
+ // We can avoid an unnecessary string copy in this case.
+ return ToDouble(pVal);
+ }
+#else // !wxUSE_INTL
+ // We don't know what the current separator is so it might even be a point
+ // already, try to parse the string as a double:
+ if ( ToDouble(pVal) )
+ {
+ // It must have been the point, nothing else to do.
+ return true;
+ }
+
+ // Try to guess the separator, using the most common alternative value.
+ wxString sep(",");
+#endif // wxUSE_INTL/!wxUSE_INTL
+ wxString cstr(*this);
+ cstr.Replace(".", sep);
+
+ return cstr.ToDouble(pVal);
+}
+
+#endif // wxUSE_XLOCALE/!wxUSE_XLOCALE
+
+// ----------------------------------------------------------------------------
+// number to string conversion
+// ----------------------------------------------------------------------------
+
+/* static */
+wxString wxString::FromCDouble(double val)
+{
+#if wxUSE_STD_IOSTREAM && wxUSE_STD_STRING
+ // We assume that we can use the ostream and not wstream for numbers.
+ wxSTD ostringstream os;
+ os << val;
+ return os.str();
+#else // wxUSE_STD_IOSTREAM
+ // Can't use iostream locale support, fall back to the manual method
+ // instead.
+ wxString s = FromDouble(val);
+#if wxUSE_INTL
+ wxString sep = wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT,
+ wxLOCALE_CAT_NUMBER);
+#else // !wxUSE_INTL
+ // As above, this is the most common alternative value. Notice that here it
+ // doesn't matter if we guess wrongly and the current separator is already
+ // ".": we'll just waste a call to Replace() in this case.
+ wxString sep(",");
+#endif // wxUSE_INTL/!wxUSE_INTL
+
+ s.Replace(sep, ".");
+ return s;
+#endif // wxUSE_STD_IOSTREAM/!wxUSE_STD_IOSTREAM
+}
// ---------------------------------------------------------------------------
// formatted output
projects / wxWidgets.git / blobdiff