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add cwchar.hpp

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rename decimal_to_int -> ascii_to_int
This commit is contained in:
bolero-MURAKAMI 2012-04-15 10:31:49 +09:00
parent 50fd5f33bf
commit 28f7c510a5
34 changed files with 576 additions and 92 deletions
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9
sprout/detail/char_conversion.hpp
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@ -4,6 +4,7 @@
#include <cstddef>
#include <stdexcept>
#include <sprout/config.hpp>
#include <sprout/ctype/ascii.hpp>
namespace sprout {
namespace detail {
@ -23,15 +24,15 @@ namespace sprout {
template<typename IntType, typename Elem>
inline SPROUT_CONSTEXPR IntType char_to_int(Elem c, std::size_t base){
return c >= static_cast<Elem>('0') && c <= static_cast<Elem>('9') ? c - static_cast<Elem>('0')
: c >= static_cast<Elem>('a') && c <= static_cast<Elem>('a' + (base - 11)) ? c - static_cast<Elem>('a') + 10
: c >= static_cast<Elem>('A') && c <= static_cast<Elem>('A' + (base - 11)) ? c - static_cast<Elem>('A') + 10
return sprout::ascii::isdigit(c) && static_cast<std::size_t>(c - static_cast<Elem>('0')) < base ? c - static_cast<Elem>('0')
: sprout::ascii::islower(c) && static_cast<std::size_t>(c - static_cast<Elem>('a') + 10) < base ? c - static_cast<Elem>('a') + 10
: sprout::ascii::isupper(c) && static_cast<std::size_t>(c - static_cast<Elem>('A') + 10) < base ? c - static_cast<Elem>('A') + 10
: static_cast<IntType>(-1)
;
}
template<typename IntType, typename Elem>
inline SPROUT_CONSTEXPR IntType char_to_int(Elem c){
return c >= static_cast<Elem>('0') && c <= static_cast<Elem>('9') ? c - static_cast<Elem>('0')
return sprout::ascii::isdigit(c) ? c - static_cast<Elem>('0')
: static_cast<IntType>(-1)
;
}