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basic_parse_context -> basic_format_parse_context per standard and document

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This commit is contained in:
Victor Zverovich
2019-11-04 11:37:40 +00:00
parent 0889856d61
commit ffd05e65ed
6 changed files with 61 additions and 41 deletions
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44
include/fmt/core.h
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@@ -448,10 +448,22 @@ struct error_handler {
/** String's character type. */
template <typename S> using char_t = typename internal::char_t_impl<S>::type;
// Parsing context consisting of a format string range being parsed and an
// argument counter for automatic indexing.
/**
Parsing context consisting of a format string range being parsed and an
argument counter for automatic indexing.
You can use one of the following type aliases for common character types:
+-----------------------+-------------------------------------+
| Type | Definition |
+=======================+=====================================+
| format_parse_context | basic_format_parse_context<char> |
+-----------------------+-------------------------------------+
| wformat_parse_context | basic_format_parse_context<wchar_t> |
+-----------------------+-------------------------------------+
*/
template <typename Char, typename ErrorHandler = internal::error_handler>
class basic_parse_context : private ErrorHandler {
class basic_format_parse_context : private ErrorHandler {
private:
basic_string_view<Char> format_str_;
int next_arg_id_;
@@ -460,8 +472,8 @@ class basic_parse_context : private ErrorHandler {
using char_type = Char;
using iterator = typename basic_string_view<Char>::iterator;
explicit FMT_CONSTEXPR basic_parse_context(basic_string_view<Char> format_str,
ErrorHandler eh = ErrorHandler())
explicit FMT_CONSTEXPR basic_format_parse_context(
basic_string_view<Char> format_str, ErrorHandler eh = ErrorHandler())
: ErrorHandler(eh), format_str_(format_str), next_arg_id_(0) {}
// Returns an iterator to the beginning of the format string range being
@@ -503,11 +515,14 @@ class basic_parse_context : private ErrorHandler {
FMT_CONSTEXPR ErrorHandler error_handler() const { return *this; }
};
using format_parse_context = basic_parse_context<char>;
using wformat_parse_context = basic_parse_context<wchar_t>;
using format_parse_context = basic_format_parse_context<char>;
using wformat_parse_context = basic_format_parse_context<wchar_t>;
using parse_context FMT_DEPRECATED_ALIAS = basic_parse_context<char>;
using wparse_context FMT_DEPRECATED_ALIAS = basic_parse_context<wchar_t>;
template <typename Char, typename ErrorHandler = internal::error_handler>
using basic_parse_context FMT_DEPRECATED_ALIAS =
basic_format_parse_context<Char, ErrorHandler>;
using parse_context FMT_DEPRECATED_ALIAS = basic_format_parse_context<char>;
using wparse_context FMT_DEPRECATED_ALIAS = basic_format_parse_context<wchar_t>;
template <typename Context> class basic_format_arg;
template <typename Context> class basic_format_args;
@@ -714,7 +729,7 @@ template <typename Char> struct string_value {
};
template <typename Context> struct custom_value {
using parse_context = basic_parse_context<typename Context::char_type>;
using parse_context = basic_format_parse_context<typename Context::char_type>;
const void* value;
void (*format)(const void* arg, parse_context& parse_ctx, Context& ctx);
};
@@ -776,9 +791,9 @@ template <typename Context> class value {
private:
// Formats an argument of a custom type, such as a user-defined class.
template <typename T, typename Formatter>
static void format_custom_arg(const void* arg,
basic_parse_context<char_type>& parse_ctx,
Context& ctx) {
static void format_custom_arg(
const void* arg, basic_format_parse_context<char_type>& parse_ctx,
Context& ctx) {
Formatter f;
parse_ctx.advance_to(f.parse(parse_ctx));
ctx.advance_to(f.format(*static_cast<const T*>(arg), ctx));
@@ -934,7 +949,8 @@ template <typename Context> class basic_format_arg {
public:
explicit handle(internal::custom_value<Context> custom) : custom_(custom) {}
void format(basic_parse_context<char_type>& parse_ctx, Context& ctx) const {
void format(basic_format_parse_context<char_type>& parse_ctx,
Context& ctx) const {
custom_.format(custom_.value, parse_ctx, ctx);
}