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Move more parsing to core

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This commit is contained in:
Victor Zverovich 2021-05-06 07:37:40 -07:00
parent 8e6390c32c
commit 23892caf53
2 changed files with 53 additions and 53 deletions
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53
include/fmt/core.h
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@ -178,6 +178,14 @@
# define FMT_NORETURN
#endif
#ifndef FMT_MAYBE_UNUSED
# if FMT_HAS_CPP17_ATTRIBUTE(maybe_unused)
# define FMT_MAYBE_UNUSED [[maybe_unused]]
# else
# define FMT_MAYBE_UNUSED
# endif
#endif
#ifndef FMT_DEPRECATED
# if FMT_HAS_CPP14_ATTRIBUTE(deprecated) || FMT_MSC_VER >= 1900
# define FMT_DEPRECATED [[deprecated]]
@ -258,6 +266,12 @@
# define FMT_API
#endif
#if FMT_GCC_VERSION
# define FMT_GCC_VISIBILITY_HIDDEN __attribute__((visibility("hidden")))
#else
# define FMT_GCC_VISIBILITY_HIDDEN
#endif
// libc++ supports string_view in pre-c++17.
#if (FMT_HAS_INCLUDE(<string_view>) && \
(__cplusplus > 201402L || defined(_LIBCPP_VERSION))) || \
@ -1913,6 +1927,45 @@ FMT_CONSTEXPR const Char* parse_align(const Char* begin, const Char* end,
struct auto_id {};
template <typename Char, typename IDHandler>
FMT_CONSTEXPR const Char* do_parse_arg_id(const Char* begin, const Char* end,
IDHandler&& handler) {
FMT_ASSERT(begin != end, "");
Char c = *begin;
if (c >= '0' && c <= '9') {
int index = 0;
if (c != '0')
index = parse_nonnegative_int(begin, end, handler);
else
++begin;
if (begin == end || (*begin != '}' && *begin != ':'))
handler.on_error("invalid format string");
else
handler(index);
return begin;
}
if (!is_name_start(c)) {
handler.on_error("invalid format string");
return begin;
}
auto it = begin;
do {
++it;
} while (it != end && (is_name_start(c = *it) || ('0' <= c && c <= '9')));
handler(basic_string_view<Char>(begin, to_unsigned(it - begin)));
return it;
}
template <typename Char, typename IDHandler>
FMT_CONSTEXPR_DECL FMT_INLINE const Char* parse_arg_id(const Char* begin,
const Char* end,
IDHandler&& handler) {
Char c = *begin;
if (c != '}' && c != ':') return do_parse_arg_id(begin, end, handler);
handler();
return begin;
}
// Adapts SpecHandler to IDHandler API for dynamic width.
template <typename SpecHandler, typename Char> struct width_adapter {
explicit FMT_CONSTEXPR width_adapter(SpecHandler& h) : handler(h) {}

53
include/fmt/format.h
View File

@ -70,12 +70,6 @@
# define FMT_NOINLINE
#endif
#if FMT_GCC_VERSION
# define FMT_GCC_VISIBILITY_HIDDEN __attribute__((visibility("hidden")))
#else
# define FMT_GCC_VISIBILITY_HIDDEN
#endif
#if FMT_MSC_VER
# define FMT_MSC_DEFAULT = default
#else
@ -100,14 +94,6 @@
# define FMT_FALLTHROUGH
#endif
#ifndef FMT_MAYBE_UNUSED
# if FMT_HAS_CPP17_ATTRIBUTE(maybe_unused)
# define FMT_MAYBE_UNUSED [[maybe_unused]]
# else
# define FMT_MAYBE_UNUSED
# endif
#endif
#ifndef FMT_THROW
# if FMT_EXCEPTIONS
# if FMT_MSC_VER || FMT_NVCC
@ -2615,45 +2601,6 @@ class dynamic_specs_handler
ParseContext& context_;
};
template <typename Char, typename IDHandler>
FMT_CONSTEXPR const Char* do_parse_arg_id(const Char* begin, const Char* end,
IDHandler&& handler) {
FMT_ASSERT(begin != end, "");
Char c = *begin;
if (c >= '0' && c <= '9') {
int index = 0;
if (c != '0')
index = parse_nonnegative_int(begin, end, handler);
else
++begin;
if (begin == end || (*begin != '}' && *begin != ':'))
handler.on_error("invalid format string");
else
handler(index);
return begin;
}
if (!is_name_start(c)) {
handler.on_error("invalid format string");
return begin;
}
auto it = begin;
do {
++it;
} while (it != end && (is_name_start(c = *it) || ('0' <= c && c <= '9')));
handler(basic_string_view<Char>(begin, to_unsigned(it - begin)));
return it;
}
template <typename Char, typename IDHandler>
FMT_CONSTEXPR_DECL FMT_INLINE const Char* parse_arg_id(const Char* begin,
const Char* end,
IDHandler&& handler) {
Char c = *begin;
if (c != '}' && c != ':') return do_parse_arg_id(begin, end, handler);
handler();
return begin;
}
template <typename OutputIt, typename Char, typename Context>
struct format_handler : detail::error_handler {
basic_format_parse_context<Char> parse_context;