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Make format a non-member

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This commit is contained in:
Victor Zverovich 2019-08-03 06:28:31 -07:00
parent 1dfa2591b3
commit 823128049b
2 changed files with 41 additions and 38 deletions
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29
include/fmt/compile.h
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@ -206,15 +206,6 @@ class prepared_format {
return {it.base(), it.count()};
}
std::basic_string<char_type> format(const Args&... args) const {
basic_memory_buffer<char_type> buffer;
using range = buffer_range<char_type>;
this->vformat_to(range(buffer),
basic_format_args<context>{
make_args_checked<Args...>(format_, args...)});
return to_string(buffer);
}
template <typename Container, FMT_ENABLE_IF(is_contiguous<Container>::value)>
inline std::back_insert_iterator<Container> format_to(
std::back_insert_iterator<Container> out, Args&&... args) const {
@ -243,7 +234,6 @@ class prepared_format {
make_args_checked<Args...>(format_, args...)});
}
private:
typedef buffer_context<char_type> context;
template <typename Range, typename Context>
@ -304,6 +294,7 @@ class prepared_format {
return ctx.out();
}
private:
void advance_parse_context_to_specification(
basic_parse_context<char_type>& parse_ctx,
const format_part_t& part) const {
@ -677,9 +668,10 @@ auto do_compile(const Format& format)
}
#endif
template <typename... Args> using prepared_format_t =
typename basic_prepared_format<
std::string, parts_container<char>, Args...>::type;
template <typename... Args>
using prepared_format_t =
typename basic_prepared_format<std::string, parts_container<char>,
Args...>::type;
} // namespace internal
#if FMT_USE_CONSTEXPR
@ -720,6 +712,17 @@ auto compile(basic_string_view<Char> format_str) ->
return compile<Args...>(internal::to_runtime_format(format_str));
}
template <typename CompiledFormat, typename... Args,
typename Char = typename CompiledFormat::char_type>
std::basic_string<Char> format(const CompiledFormat& cf, const Args&... args) {
basic_memory_buffer<Char> buffer;
using range = internal::buffer_range<Char>;
using context = buffer_context<Char>;
cf.template vformat_to<range, context>(range(buffer),
{make_format_args<context>(args...)});
return to_string(buffer);
}
FMT_END_NAMESPACE
#endif // FMT_COMPILE_H_

50
test/compile-test.cc
View File

@ -449,11 +449,11 @@ template <typename... Args> struct copied_prepared_format_creator {
TEST(PrepareTest, CopyPreparedFormat_InternalStringViewsAreNotInvalidated) {
auto prepared = copied_prepared_format_creator<int, std::string>::make(
"before {} middle {} after");
EXPECT_EQ("before 42 middle text after", prepared.format(42, "text"));
EXPECT_EQ("before 42 middle text after", fmt::format(prepared, 42, "text"));
prepared = copied_prepared_format_creator<int, std::string>::make(
"before {0} middle {1} after");
EXPECT_EQ("before 42 middle text after", prepared.format(42, "text"));
EXPECT_EQ("before 42 middle text after", fmt::format(prepared, 42, "text"));
{
typedef decltype(fmt::arg("first", 42)) argument0;
@ -462,7 +462,7 @@ TEST(PrepareTest, CopyPreparedFormat_InternalStringViewsAreNotInvalidated) {
copied_prepared_format_creator<argument0, argument1>::make(
"before {first} middle {second} after");
EXPECT_EQ("before 42 middle text after",
named_prepared.format(fmt::arg("first", 42),
fmt::format(named_prepared, fmt::arg("first", 42),
fmt::arg("second", "text")));
}
{
@ -472,7 +472,7 @@ TEST(PrepareTest, CopyPreparedFormat_InternalStringViewsAreNotInvalidated) {
copied_prepared_format_creator<argument0, argument1>::make(
">>>{value:>{width}}<<<");
EXPECT_EQ(">>> 12345<<<",
named_prepared.format(fmt::arg("value", "12345"),
fmt::format(named_prepared, fmt::arg("value", "12345"),
fmt::arg("width", 10)));
}
}
@ -481,9 +481,9 @@ TEST(PrepareTest, ReusedPreparedFormatType) {
using prepared_format = fmt::internal::prepared_format_t<std::string, int>;
prepared_format prepared = fmt::compile<prepared_format>("The {} is {}.");
EXPECT_EQ("The answer is 42.", prepared.format("answer", 42));
EXPECT_EQ("The answer is 42.", fmt::format(prepared, "answer", 42));
prepared = fmt::compile<prepared_format>("40 {} 2 = {}");
EXPECT_EQ("40 + 2 = 42", prepared.format("+", 42));
EXPECT_EQ("40 + 2 = 42", fmt::format(prepared, "+", 42));
}
TEST(PrepareTest, UserProvidedPartsContainerUnderlyingContainer) {
@ -494,9 +494,9 @@ TEST(PrepareTest, UserProvidedPartsContainerUnderlyingContainer) {
int>::type prepared_format;
prepared_format prepared = fmt::compile<prepared_format>("The {} is {}.");
EXPECT_EQ("The answer is 42.", prepared.format("answer", 42));
EXPECT_EQ("The answer is 42.", fmt::format(prepared, "answer", 42));
prepared = fmt::compile<prepared_format>("40 {} 2 = {}");
EXPECT_EQ("40 + 2 = 42", prepared.format("+", 42));
EXPECT_EQ("40 + 2 = 42", fmt::format(prepared, "+", 42));
}
class custom_parts_container {
@ -538,67 +538,67 @@ TEST(PrepareTest, UserProvidedPartsContainer) {
std::string, int>::type prepared_format;
prepared_format prepared = fmt::compile<prepared_format>("The {} is {}.");
EXPECT_EQ("The answer is 42.", prepared.format("answer", 42));
EXPECT_EQ("The answer is 42.", fmt::format(prepared, "answer", 42));
prepared = fmt::compile<prepared_format>("40 {} 2 = {}");
EXPECT_EQ("40 + 2 = 42", prepared.format("+", 42));
EXPECT_EQ("40 + 2 = 42", fmt::format(prepared, "+", 42));
}
TEST(PrepareTest, PassConstCharPointerFormat) {
const char* c_format = "test {}";
const auto prepared = fmt::compile<int>(c_format);
EXPECT_EQ("test 42", prepared.format(42));
EXPECT_EQ("test 42", fmt::format(prepared, 42));
const wchar_t* wc_format = L"test {}";
const auto wprepared = fmt::compile<int>(wc_format);
EXPECT_EQ(L"test 42", wprepared.format(42));
EXPECT_EQ(L"test 42", fmt::format(wprepared, 42));
}
TEST(PrepareTest, PassCharArrayFormat) {
char c_format[] = "test {}";
const auto prepared = fmt::compile<int>(c_format);
EXPECT_EQ("test 42", prepared.format(42));
EXPECT_EQ("test 42", fmt::format(prepared, 42));
wchar_t wc_format[] = L"test {}";
const auto wprepared = fmt::compile<int>(wc_format);
EXPECT_EQ(L"test 42", wprepared.format(42));
EXPECT_EQ(L"test 42", fmt::format(wprepared, 42));
}
TEST(PrepareTest, PassConstCharArrayFormat) {
const char c_format[] = "test {}";
const auto prepared = fmt::compile<int>(c_format);
EXPECT_EQ("test 42", prepared.format(42));
EXPECT_EQ("test 42", fmt::format(prepared, 42));
const wchar_t wc_format[] = L"test {}";
const auto wprepared = fmt::compile<int>(wc_format);
EXPECT_EQ(L"test 42", wprepared.format(42));
EXPECT_EQ(L"test 42", fmt::format(wprepared, 42));
}
TEST(PrepareTest, PassStringLiteralFormat) {
const auto prepared = fmt::compile<int>("test {}");
EXPECT_EQ("test 42", prepared.format(42));
EXPECT_EQ("test 42", fmt::format(prepared, 42));
const auto wprepared = fmt::compile<int>(L"test {}");
EXPECT_EQ(L"test 42", wprepared.format(42));
EXPECT_EQ(L"test 42", fmt::format(wprepared, 42));
}
TEST(PrepareTest, PassStringViewFormat) {
const auto prepared =
fmt::compile<int>(fmt::basic_string_view<char>("test {}"));
EXPECT_EQ("test 42", prepared.format(42));
EXPECT_EQ("test 42", fmt::format(prepared, 42));
const auto wprepared =
fmt::compile<int>(fmt::basic_string_view<wchar_t>(L"test {}"));
EXPECT_EQ(L"test 42", wprepared.format(42));
EXPECT_EQ(L"test 42", fmt::format(wprepared, 42));
}
TEST(PrepareTest, PassBasicStringFormat) {
const auto prepared = fmt::compile<int>(std::string("test {}"));
EXPECT_EQ("test 42", prepared.format(42));
EXPECT_EQ("test 42", fmt::format(prepared, 42));
const auto wprepared = fmt::compile<int>(std::wstring(L"test {}"));
EXPECT_EQ(L"test 42", wprepared.format(42));
EXPECT_EQ(L"test 42", fmt::format(wprepared, 42));
}
#if FMT_USE_CONSTEXPR
TEST(PrepareTest, PassCompileString) {
const auto prepared = fmt::compile<int>(FMT_STRING("test {}"));
EXPECT_EQ("test 42", prepared.format(42));
EXPECT_EQ("test 42", fmt::format(prepared, 42));
const auto wprepared = fmt::compile<int>(FMT_STRING(L"test {}"));
EXPECT_EQ(L"test 42", wprepared.format(42));
EXPECT_EQ(L"test 42", fmt::format(wprepared, 42));
}
#endif
@ -637,7 +637,7 @@ TEST(PrepareTest, PassUserTypeFormat) {
typedef std::basic_string<char, std::char_traits<char>, user_allocator<char>>
user_format;
const auto prepared = fmt::compile<int>(user_format("test {}"));
EXPECT_EQ("test 42", prepared.format(42));
EXPECT_EQ("test 42", fmt::format(prepared, 42));
}
TEST(PrepareTest, FormatToArrayOfChars) {