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Hana Dusíková
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Enhancement #147: concatenating characters into strings in front of different items in sequence:
`ab.cd` is now `sequence<string<'a','b'>,any,string<'c','d'>>` before it was: `sequence<character<'a'>,character<'b'>,any,character<'c'>,character<'d'>>`
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5 files changed

+54
-17
lines changed

5 files changed

+54
-17
lines changed

‎include/ctre/actions/sequence.inc.hpp

+15-4
Original file line numberDiff line numberDiff line change
@@ -6,16 +6,27 @@ template <auto V, typename A, typename B, typename... Ts, typename Parameters> s
66
return pcre_context{ctll::push_front(sequence<A,B>(), ctll::list<Ts...>()), subject.parameters};
77
}
88
// make_sequence (concat)
9-
template <auto V, typename... As, typename B, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<As...>,B,Ts...>, Parameters> subject) {
10-
return pcre_context{ctll::push_front(sequence<B,As...>(), ctll::list<Ts...>()), subject.parameters};
9+
template <auto V, typename A, typename... Bs, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<Bs...>,A,Ts...>, Parameters> subject) {
10+
return pcre_context{ctll::push_front(sequence<A,Bs...>(), ctll::list<Ts...>()), subject.parameters};
1111
}
12+
1213
// make_sequence (make string)
1314
template <auto V, auto A, auto B, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<character<B>,character<A>,Ts...>, Parameters> subject) {
1415
return pcre_context{ctll::push_front(string<A,B>(), ctll::list<Ts...>()), subject.parameters};
1516
}
1617
// make_sequence (concat string)
17-
template <auto V, auto... As, auto B, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<string<As...>,character<B>,Ts...>, Parameters> subject) {
18-
return pcre_context{ctll::push_front(string<B,As...>(), ctll::list<Ts...>()), subject.parameters};
18+
template <auto V, auto A, auto... Bs, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<string<Bs...>,character<A>,Ts...>, Parameters> subject) {
19+
return pcre_context{ctll::push_front(string<A,Bs...>(), ctll::list<Ts...>()), subject.parameters};
20+
}
21+
22+
// make_sequence (make string in front of different items)
23+
template <auto V, auto A, auto B, typename... Sq, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<character<B>,Sq...>,character<A>,Ts...>, Parameters> subject) {
24+
return pcre_context{ctll::push_front(sequence<string<A,B>,Sq...>(), ctll::list<Ts...>()), subject.parameters};
1925
}
26+
// make_sequence (concat string in front of different items)
27+
template <auto V, auto A, auto... Bs, typename... Sq, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<string<Bs...>,Sq...>,character<A>,Ts...>, Parameters> subject) {
28+
return pcre_context{ctll::push_front(sequence<string<A,Bs...>,Sq...>(), ctll::list<Ts...>()), subject.parameters};
29+
}
30+
2031

2132
#endif

‎include/ctre/evaluation.hpp

+2-1
Original file line numberDiff line numberDiff line change
@@ -109,7 +109,8 @@ template <typename Iterator> struct string_match_result {
109109

110110
template <typename CharT, typename Iterator, typename EndIterator> constexpr CTRE_FORCE_INLINE bool compare_character(CharT c, Iterator & it, const EndIterator & end) {
111111
if (it != end) {
112-
return *it++ == c;
112+
using char_type = decltype(*it);
113+
return *it++ == static_cast<char_type>(c);
113114
}
114115
return false;
115116
}

‎single-header/ctre-unicode.hpp

+16-5
Original file line numberDiff line numberDiff line change
@@ -2509,16 +2509,26 @@ template <auto V, typename A, typename B, typename... Ts, typename Parameters> s
25092509
return pcre_context{ctll::push_front(sequence<A,B>(), ctll::list<Ts...>()), subject.parameters};
25102510
}
25112511
// make_sequence (concat)
2512-
template <auto V, typename... As, typename B, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<As...>,B,Ts...>, Parameters> subject) {
2513-
return pcre_context{ctll::push_front(sequence<B,As...>(), ctll::list<Ts...>()), subject.parameters};
2512+
template <auto V, typename A, typename... Bs, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<Bs...>,A,Ts...>, Parameters> subject) {
2513+
return pcre_context{ctll::push_front(sequence<A,Bs...>(), ctll::list<Ts...>()), subject.parameters};
25142514
}
2515+
25152516
// make_sequence (make string)
25162517
template <auto V, auto A, auto B, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<character<B>,character<A>,Ts...>, Parameters> subject) {
25172518
return pcre_context{ctll::push_front(string<A,B>(), ctll::list<Ts...>()), subject.parameters};
25182519
}
25192520
// make_sequence (concat string)
2520-
template <auto V, auto... As, auto B, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<string<As...>,character<B>,Ts...>, Parameters> subject) {
2521-
return pcre_context{ctll::push_front(string<B,As...>(), ctll::list<Ts...>()), subject.parameters};
2521+
template <auto V, auto A, auto... Bs, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<string<Bs...>,character<A>,Ts...>, Parameters> subject) {
2522+
return pcre_context{ctll::push_front(string<A,Bs...>(), ctll::list<Ts...>()), subject.parameters};
2523+
}
2524+
2525+
// make_sequence (make string in front of different items)
2526+
template <auto V, auto A, auto B, typename... Sq, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<character<B>,Sq...>,character<A>,Ts...>, Parameters> subject) {
2527+
return pcre_context{ctll::push_front(sequence<string<A,B>,Sq...>(), ctll::list<Ts...>()), subject.parameters};
2528+
}
2529+
// make_sequence (concat string in front of different items)
2530+
template <auto V, auto A, auto... Bs, typename... Sq, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<string<Bs...>,Sq...>,character<A>,Ts...>, Parameters> subject) {
2531+
return pcre_context{ctll::push_front(sequence<string<A,Bs...>,Sq...>(), ctll::list<Ts...>()), subject.parameters};
25222532
}
25232533

25242534
#endif
@@ -4027,7 +4037,8 @@ template <typename Iterator> struct string_match_result {
40274037

40284038
template <typename CharT, typename Iterator, typename EndIterator> constexpr CTRE_FORCE_INLINE bool compare_character(CharT c, Iterator & it, const EndIterator & end) {
40294039
if (it != end) {
4030-
return *it++ == c;
4040+
using char_type = decltype(*it);
4041+
return *it++ == static_cast<char_type>(c);
40314042
}
40324043
return false;
40334044
}

‎single-header/ctre.hpp

+16-5
Original file line numberDiff line numberDiff line change
@@ -2506,16 +2506,26 @@ template <auto V, typename A, typename B, typename... Ts, typename Parameters> s
25062506
return pcre_context{ctll::push_front(sequence<A,B>(), ctll::list<Ts...>()), subject.parameters};
25072507
}
25082508
// make_sequence (concat)
2509-
template <auto V, typename... As, typename B, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<As...>,B,Ts...>, Parameters> subject) {
2510-
return pcre_context{ctll::push_front(sequence<B,As...>(), ctll::list<Ts...>()), subject.parameters};
2509+
template <auto V, typename A, typename... Bs, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<Bs...>,A,Ts...>, Parameters> subject) {
2510+
return pcre_context{ctll::push_front(sequence<A,Bs...>(), ctll::list<Ts...>()), subject.parameters};
25112511
}
2512+
25122513
// make_sequence (make string)
25132514
template <auto V, auto A, auto B, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<character<B>,character<A>,Ts...>, Parameters> subject) {
25142515
return pcre_context{ctll::push_front(string<A,B>(), ctll::list<Ts...>()), subject.parameters};
25152516
}
25162517
// make_sequence (concat string)
2517-
template <auto V, auto... As, auto B, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<string<As...>,character<B>,Ts...>, Parameters> subject) {
2518-
return pcre_context{ctll::push_front(string<B,As...>(), ctll::list<Ts...>()), subject.parameters};
2518+
template <auto V, auto A, auto... Bs, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<string<Bs...>,character<A>,Ts...>, Parameters> subject) {
2519+
return pcre_context{ctll::push_front(string<A,Bs...>(), ctll::list<Ts...>()), subject.parameters};
2520+
}
2521+
2522+
// make_sequence (make string in front of different items)
2523+
template <auto V, auto A, auto B, typename... Sq, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<character<B>,Sq...>,character<A>,Ts...>, Parameters> subject) {
2524+
return pcre_context{ctll::push_front(sequence<string<A,B>,Sq...>(), ctll::list<Ts...>()), subject.parameters};
2525+
}
2526+
// make_sequence (concat string in front of different items)
2527+
template <auto V, auto A, auto... Bs, typename... Sq, typename... Ts, typename Parameters> static constexpr auto apply(pcre::make_sequence, ctll::term<V>, pcre_context<ctll::list<sequence<string<Bs...>,Sq...>,character<A>,Ts...>, Parameters> subject) {
2528+
return pcre_context{ctll::push_front(sequence<string<A,Bs...>,Sq...>(), ctll::list<Ts...>()), subject.parameters};
25192529
}
25202530

25212531
#endif
@@ -4024,7 +4034,8 @@ template <typename Iterator> struct string_match_result {
40244034

40254035
template <typename CharT, typename Iterator, typename EndIterator> constexpr CTRE_FORCE_INLINE bool compare_character(CharT c, Iterator & it, const EndIterator & end) {
40264036
if (it != end) {
4027-
return *it++ == c;
4037+
using char_type = decltype(*it);
4038+
return *it++ == static_cast<char_type>(c);
40284039
}
40294040
return false;
40304041
}

‎tests/generating.cpp

+5-2
Original file line numberDiff line numberDiff line change
@@ -222,8 +222,11 @@ static_assert(same_f(CTRE_GEN("\\A"), ctre::assert_subject_begin()));
222222
static_assert(same_f(CTRE_GEN("\\Z"), ctre::assert_subject_end_line()));
223223
static_assert(same_f(CTRE_GEN("\\z"), ctre::assert_subject_end()));
224224

225-
// TODO change this to string
226-
static_assert(same_f(CTRE_GEN("^abc$"), ctre::sequence<ctre::assert_line_begin, ctre::character<'a'>,ctre::character<'b'>,ctre::character<'c'>, ctre::assert_line_end>()));
225+
static_assert(same_f(CTRE_GEN("^abc$"), ctre::sequence<ctre::assert_line_begin, ctre::string<'a','b','c'>, ctre::assert_line_end>()));
226+
static_assert(same_f(CTRE_GEN("abc?"), ctre::sequence<ctre::string<'a','b'>, ctre::optional<ctre::character<'c'>>>()));
227+
static_assert(same_f(CTRE_GEN("abc."), ctre::sequence<ctre::string<'a','b','c'>, ctre::any>()));
228+
static_assert(same_f(CTRE_GEN("abc.?"), ctre::sequence<ctre::string<'a','b','c'>, ctre::optional<ctre::any>>()));
229+
static_assert(same_f(CTRE_GEN("abc.def"), ctre::sequence<ctre::string<'a','b','c'>, ctre::any, ctre::string<'d','e','f'>>()));
227230

228231
static_assert(same_f(CTRE_GEN("^a|b$"), ctre::select<ctre::sequence<ctre::assert_line_begin, ctre::character<'a'>>, ctre::sequence<ctre::character<'b'>, ctre::assert_line_end>>()));
229232

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