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format: add basic hex specifier support

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This commit is contained in:
Danny Robson 2016-04-14 18:54:52 +10:00
parent dd00f4167a
commit 08e688bc1e
1 changed files with 7 additions and 4 deletions
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11
format.ipp
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@ -68,14 +68,14 @@ namespace util {
template <>
inline bool
is_type_specifier<size_t> (const char *s)
{ return *s == 'u'; }
{ return *s == 'u' || *s == 'x'; }
//---------------------------------------------------------------------
template <>
inline bool
is_type_specifier<unsigned> (const char *s)
{ return *s == 'u'; }
{ return *s == 'u' || *s == 'x'; }
//---------------------------------------------------------------------
@ -83,7 +83,7 @@ namespace util {
inline bool
is_type_specifier<int> (const char *s)
{
return *s == 'i' || *s == 'd';
return *s == 'i' || *s == 'd' || *s == 'x';
}
@ -160,7 +160,10 @@ namespace util {
if (!is_valid_specifier<typename std::decay<ValueT>::type> (&*spec))
throw util::format::format_error ("invalid/unhandled format specifier");
dest << val;
if (*spec == 'x') {
dest << std::hex << val << std::dec;
} else
dest << val;
render (spec + 1, last, dest, std::forward<Args> (args)...);
}