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Make format_specs not depend on code unit type

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This commit is contained in:
Victor Zverovich
2024-01-17 07:15:50 -08:00
parent 090ee13595
commit 8510838db1
9 changed files with 115 additions and 122 deletions
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16
test/scan.h
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@@ -434,7 +434,7 @@ class scan_context {
namespace detail {
const char* parse_scan_specs(const char* begin, const char* end,
format_specs<>& specs, scan_type) {
format_specs& specs, scan_type) {
while (begin != end) {
switch (to_ascii(*begin)) {
// TODO: parse more scan format specifiers
@@ -506,14 +506,14 @@ auto read_hex(scan_iterator it, T& value) -> scan_iterator {
}
template <typename T, FMT_ENABLE_IF(std::is_unsigned<T>::value)>
auto read(scan_iterator it, T& value, const format_specs<>& specs)
auto read(scan_iterator it, T& value, const format_specs& specs)
-> scan_iterator {
if (specs.type == presentation_type::hex) return read_hex(it, value);
return read(it, value);
}
template <typename T, FMT_ENABLE_IF(std::is_signed<T>::value)>
auto read(scan_iterator it, T& value, const format_specs<>& specs = {})
auto read(scan_iterator it, T& value, const format_specs& specs = {})
-> scan_iterator {
bool negative = it != scan_sentinel() && *it == '-';
if (negative) {
@@ -528,13 +528,13 @@ auto read(scan_iterator it, T& value, const format_specs<>& specs = {})
return it;
}
auto read(scan_iterator it, std::string& value, const format_specs<>& = {})
auto read(scan_iterator it, std::string& value, const format_specs& = {})
-> scan_iterator {
while (it != scan_sentinel() && *it != ' ') value.push_back(*it++);
return it;
}
auto read(scan_iterator it, string_view& value, const format_specs<>& = {})
auto read(scan_iterator it, string_view& value, const format_specs& = {})
-> scan_iterator {
auto range = to_contiguous(it);
// This could also be checked at compile time in scan.
@@ -546,7 +546,7 @@ auto read(scan_iterator it, string_view& value, const format_specs<>& = {})
return advance(it, size);
}
auto read(scan_iterator it, monostate, const format_specs<>& = {})
auto read(scan_iterator it, monostate, const format_specs& = {})
-> scan_iterator {
return it;
}
@@ -563,7 +563,7 @@ struct default_arg_scanner {
// An argument scanner with format specifiers.
struct arg_scanner {
scan_iterator it;
const format_specs<>& specs;
const format_specs& specs;
template <typename T> auto operator()(T&& value) -> scan_iterator {
return read(it, value, specs);
@@ -617,7 +617,7 @@ struct scan_handler {
scan_arg arg = scan_ctx_.arg(arg_id);
if (arg.scan_custom(begin, parse_ctx_, scan_ctx_))
return parse_ctx_.begin();
auto specs = format_specs<>();
auto specs = format_specs();
begin = parse_scan_specs(begin, end, specs, arg.type());
if (begin == end || *begin != '}') on_error("missing '}' in format string");
scan_ctx_.advance_to(arg.visit(arg_scanner{scan_ctx_.begin(), specs}));