#include "unicode.h"
#include <locale>
+#include <iostream>
#include <boost/assert.hpp>
};
+class num_put_failure : public std::bad_cast {
+public:
+ num_put_failure() throw() : std::bad_cast() {}
+ virtual ~num_put_failure() throw() {}
+ virtual const char* what() const throw()
+ {
+ return "The num_put locale facet does only support ASCII characters on this platform.";
+ }
+};
+
+
/// ctype facet for UCS4 characters. The implementation does only support pure
/// ASCII, since we do not need anything else for now.
/// The code is partly stolen from std::ctype<wchar_t> from gcc.
};
-/// class to add our ascii_ctype_facet to the global locale
+/// Facet for outputting numbers to odocstreams as ascii.
+/// Here we simply need defining the virtual do_put functions.
+class ascii_num_put_facet : public std::num_put<lyx::char_type, std::ostreambuf_iterator<lyx::char_type, std::char_traits<lyx::char_type> > >
+{
+ typedef std::ostreambuf_iterator<lyx::char_type, std::char_traits<lyx::char_type> > iter_type;
+public:
+ ascii_num_put_facet(size_t refs = 0) : std::num_put<lyx::char_type, iter_type>(refs) {}
+
+ /// Facet for converting numbers to ascii strings.
+ class string_num_put_facet : public std::num_put<char, std::basic_string<char>::iterator>
+ {
+ public:
+ string_num_put_facet() : std::num_put<char, std::basic_string<char>::iterator>(1) {}
+ };
+
+protected:
+ iter_type
+ do_put(iter_type oit, std::ios_base & b, char_type fill, long v) const
+ {
+ if (fill >= 0x80)
+ throw num_put_failure();
+
+ std::string s;
+ // 64 is large enough
+ s.resize(64);
+ string_num_put_facet f;
+ std::string::const_iterator cit = s.begin();
+ std::string::const_iterator end =
+ f.put(s.begin(), b, fill, v);
+ for (; cit != end; ++cit, ++oit)
+ *oit = *cit;
+
+ return oit;
+ }
+};
+
+
+/// class to add our facets to the global locale
class locale_initializer {
public:
locale_initializer()
{
std::locale global;
- std::locale const loc(global, new ascii_ctype_facet);
- std::locale::global(loc);
+ std::locale const loc1(global, new ascii_ctype_facet);
+ std::locale const loc2(loc1, new ascii_num_put_facet);
+ std::locale::global(loc2);
}
};
namespace {
-/// make sure that our ascii_ctype_facet gets used
+/// make sure that our facets get used
static locale_initializer initializer;
}