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Optimize format handler

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This commit is contained in:
Victor Zverovich
2020-06-06 06:54:24 -07:00
parent d9e3d6e6ed
commit 09737dd83b
2 changed files with 20 additions and 19 deletions
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13
include/fmt/core.h
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@@ -1320,10 +1320,8 @@ template <typename OutputIt, typename Char> class basic_format_context {
: out_(out), args_(ctx_args), loc_(loc) {}
format_arg arg(int id) const { return args_.get(id); }
// Checks if manual indexing is used and returns the argument with the
// specified name.
format_arg arg(basic_string_view<char_type> name) { return args_.get(name); }
int arg_id(basic_string_view<char_type> name) { return args_.get_id(name); }
detail::error_handler error_handler() { return {}; }
void on_error(const char* message) { error_handler().on_error(message); }
@@ -1687,13 +1685,18 @@ template <typename Context> class basic_format_args {
}
template <typename Char> format_arg get(basic_string_view<Char> name) const {
int id = get_id(name);
return id >= 0 ? get(id) : format_arg();
}
template <typename Char> int get_id(basic_string_view<Char> name) const {
if (!has_named_args()) return {};
const auto& named_args =
(is_packed() ? values_[-1] : args_[-1].value_).named_args;
for (size_t i = 0; i < named_args.size; ++i) {
if (named_args.data[i].name == name) return get(named_args.data[i].id);
if (named_args.data[i].name == name) return named_args.data[i].id;
}
return {};
return -1;
}
int max_size() const {