diff options
Diffstat (limited to 'asl/format.hpp')
| -rw-r--r-- | asl/format.hpp | 216 |
1 files changed, 108 insertions, 108 deletions
diff --git a/asl/format.hpp b/asl/format.hpp index 70ccd09..70de9b9 100644 --- a/asl/format.hpp +++ b/asl/format.hpp @@ -1,109 +1,109 @@ -#pragma once
-
+#pragma once + #include "asl/integers.hpp" -#include "asl/meta.hpp"
-#include "asl/io.hpp"
-#include "asl/span.hpp"
-#include "asl/string_view.hpp"
-
-namespace asl
-{
-
-class Formatter;
-
-template<typename T>
-concept formattable = requires (Formatter& f, const T& value)
-{
- AslFormat(f, value);
-};
-
-namespace format_internals
-{
-
-struct type_erased_arg
-{
- const void* data;
- void (*fn)(Formatter&, const void*);
-
- template<formattable T>
- static constexpr void erased_fn(Formatter& f, const void* data)
- {
- AslFormat(f, *reinterpret_cast<const T*>(data));
- }
-
- template<formattable T>
- explicit constexpr type_erased_arg(const T& arg)
- : data{&arg}
- , fn{erased_fn<T>}
- {}
-};
-
-void format(Writer*, string_view fmt, span<const type_erased_arg> args);
-
-} // namespace internals
-
-class Formatter
-{
- Writer* m_writer;
-
-public:
- explicit constexpr Formatter(Writer* writer)
- : m_writer{writer}
- {}
-
- constexpr void write(string_view s)
- {
- m_writer->write(as_bytes(s.as_span()));
- }
-
- constexpr Writer* writer() const { return m_writer; }
-};
-
-template<formattable... Args>
-void format(Writer* w, string_view fmt, const Args&... args)
-{
- if constexpr (types_count<Args...> > 0)
- {
- format_internals::type_erased_arg type_erased_args[] = {
- format_internals::type_erased_arg(args)...
- };
-
- format_internals::format(w, fmt, type_erased_args);
- }
- else
- {
- format_internals::format(w, fmt, {});
- }
-}
-
-template<isize_t N>
-void AslFormat(Formatter& f, const char (&str)[N])
-{
- f.write(string_view(str, N - 1));
-}
-
-void AslFormat(Formatter& f, const char* str);
-
-inline void AslFormat(Formatter& f, string_view sv)
-{
- f.write(sv);
-}
-
-void AslFormat(Formatter& f, float);
-void AslFormat(Formatter& f, double);
-
-void AslFormat(Formatter& f, bool);
-
-void AslFormat(Formatter& f, uint8_t);
-void AslFormat(Formatter& f, uint16_t);
-void AslFormat(Formatter& f, uint32_t);
-void AslFormat(Formatter& f, uint64_t);
-
-void AslFormat(Formatter& f, int8_t);
-void AslFormat(Formatter& f, int16_t);
-void AslFormat(Formatter& f, int32_t);
-void AslFormat(Formatter& f, int64_t);
-
-string_view format_uint64(uint64_t value, span<char, 20> buffer);
-
-} // namespace asl
+#include "asl/meta.hpp" +#include "asl/io.hpp" +#include "asl/span.hpp" +#include "asl/string_view.hpp" + +namespace asl +{ + +class Formatter; + +template<typename T> +concept formattable = requires (Formatter& f, const T& value) +{ + AslFormat(f, value); +}; + +namespace format_internals +{ + +struct type_erased_arg +{ + const void* data; + void (*fn)(Formatter&, const void*); + + template<formattable T> + static constexpr void erased_fn(Formatter& f, const void* data) + { + AslFormat(f, *reinterpret_cast<const T*>(data)); + } + + template<formattable T> + explicit constexpr type_erased_arg(const T& arg) + : data{&arg} + , fn{erased_fn<T>} + {} +}; + +void format(Writer*, string_view fmt, span<const type_erased_arg> args); + +} // namespace internals + +class Formatter +{ + Writer* m_writer; + +public: + explicit constexpr Formatter(Writer* writer) + : m_writer{writer} + {} + + constexpr void write(string_view s) + { + m_writer->write(as_bytes(s.as_span())); + } + + constexpr Writer* writer() const { return m_writer; } +}; + +template<formattable... Args> +void format(Writer* w, string_view fmt, const Args&... args) +{ + if constexpr (types_count<Args...> > 0) + { + format_internals::type_erased_arg type_erased_args[] = { + format_internals::type_erased_arg(args)... + }; + + format_internals::format(w, fmt, type_erased_args); + } + else + { + format_internals::format(w, fmt, {}); + } +} + +template<isize_t N> +void AslFormat(Formatter& f, const char (&str)[N]) +{ + f.write(string_view(str, N - 1)); +} + +void AslFormat(Formatter& f, const char* str); + +inline void AslFormat(Formatter& f, string_view sv) +{ + f.write(sv); +} + +void AslFormat(Formatter& f, float); +void AslFormat(Formatter& f, double); + +void AslFormat(Formatter& f, bool); + +void AslFormat(Formatter& f, uint8_t); +void AslFormat(Formatter& f, uint16_t); +void AslFormat(Formatter& f, uint32_t); +void AslFormat(Formatter& f, uint64_t); + +void AslFormat(Formatter& f, int8_t); +void AslFormat(Formatter& f, int16_t); +void AslFormat(Formatter& f, int32_t); +void AslFormat(Formatter& f, int64_t); + +string_view format_uint64(uint64_t value, span<char, 20> buffer); + +} // namespace asl |