using namespace std;
-namespace lyx {
+namespace {
+
+// A version of lexical cast that does not throw. Useful for when we convert to string
+template<typename To, typename From>
+To lexical_cast(From const & value, To const & defaultResult = To())
+{
+ try {
+ return boost::lexical_cast<To>(value);
+ } catch(...) {
+ // Ignore all exceptions and use default.
+ return defaultResult;
+ }
+}
-using boost::lexical_cast;
+} // namespace
+
+
+namespace lyx {
template<>
string convert<string>(bool b)
}
+#ifdef LYX_USE_LONG_LONG
+template<>
+string convert<string>(unsigned long long ull)
+{
+ return lexical_cast<string>(ull);
+}
+
+
+template<>
+docstring convert<docstring>(unsigned long long ull)
+{
+ return from_ascii(lexical_cast<string>(ull));
+}
+#endif
+
+
template<>
string convert<string>(long l)
{
}
+#ifdef LYX_USE_LONG_LONG
+template<>
+string convert<string>(long long ll)
+{
+ return lexical_cast<string>(ll);
+}
+
+
+template<>
+docstring convert<docstring>(long long ll)
+{
+ return from_ascii(lexical_cast<string>(ll));
+}
+#endif
+
+
template<>
string convert<string>(float f)
{
}
+template<>
+docstring convert<docstring>(double d)
+{
+ return from_ascii(convert<string>(d));
+}
+
+
template<>
int convert<int>(string const s)
{