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add string::find_first_not_of, find_last_not_of

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bolero-MURAKAMI 2012-10-08 22:14:42 +09:00
parent 9dd1fefa59
commit dd8eaffba5
2 changed files with 123 additions and 2 deletions
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107
sprout/string/string.hpp
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@ -110,14 +110,46 @@ namespace sprout {
static SPROUT_CONSTEXPR size_type
find_last_of_impl_2(const_iterator data, size_type len, ConstIterator s, size_type pos, size_type n) {
return traits_helper_type::is_found(traits_helper_type::find(s, n, data[len]), s + n) ? len
: len != 0 ? find_last_of_impl_2(data, len - 1, s, pos, n)
: len ? find_last_of_impl_2(data, len - 1, s, pos, n)
: npos
;
}
template<typename ConstIterator>
static SPROUT_CONSTEXPR size_type
find_last_of_impl_1(const_iterator data, size_type len, ConstIterator s, size_type pos, size_type n) {
return len && n ? find_last_of_impl_2(data, len - 1 > pos ? pos : len, s, pos, n)
return len && n ? find_last_of_impl_2(data, len - 1 > pos ? pos : len - 1, s, pos, n)
: npos
;
}
template<typename ConstIterator>
static SPROUT_CONSTEXPR size_type
find_first_not_of_impl_1(const_iterator data, size_type len, ConstIterator s, size_type pos, size_type n) {
return pos < len
? !traits_helper_type::is_found(traits_helper_type::find(s, n, data[pos]), s + n)
? pos
: find_first_not_of_impl_1(data, len, s, pos + 1, n)
: npos
;
}
template<typename ConstIterator>
static SPROUT_CONSTEXPR size_type
find_last_not_of_impl_2(const_iterator data, size_type len, ConstIterator s, size_type pos, size_type n) {
return !traits_helper_type::is_found(traits_helper_type::find(s, n, data[len]), s + n) ? len
: len ? find_last_not_of_impl_2(data, len - 1, s, pos, n)
: npos
;
}
template<typename ConstIterator>
static SPROUT_CONSTEXPR size_type
find_last_not_of_impl_1(const_iterator data, size_type len, ConstIterator s, size_type pos, size_type n) {
return len ? find_last_not_of_impl_2(data, len - 1 > pos ? pos : len - 1, s, pos, n)
: npos
;
}
static SPROUT_CONSTEXPR size_type
find_last_not_of_c_impl(const_iterator data, size_type len, value_type c, size_type pos) {
return !traits_type::eq(data[len], c) ? len
: len ? find_last_not_of_c_impl(data, len - 1, c, pos)
: npos
;
}
@ -468,6 +500,45 @@ namespace sprout {
find_last_of(value_type c, size_type pos = npos) const {
return rfind(c, pos);
}
SPROUT_CONSTEXPR size_type
find_first_not_of(basic_string const& str, size_type pos = 0) const SPROUT_NOEXCEPT {
return find_first_not_of_impl_1(begin(), len, str.begin(), pos, str.size());
}
SPROUT_CONSTEXPR size_type
find_first_not_of(value_type const* s, size_type pos, size_type n) const {
return find_first_not_of_impl_1(begin(), len, s, pos, n);
}
SPROUT_CONSTEXPR size_type
find_first_not_of(value_type const* s, size_type pos = 0) const {
return find_first_not_of(s, pos, traits_type::length(s));
}
SPROUT_CONSTEXPR size_type
find_first_not_of(value_type c, size_type pos = 0) const {
return pos < len
? !traits_type::eq(elems[pos], c)
? pos
: find_first_not_of(c, pos + 1)
: npos
;
}
SPROUT_CONSTEXPR size_type
find_last_not_of(basic_string const& str, size_type pos = npos) const SPROUT_NOEXCEPT {
return find_last_not_of_impl_1(begin(), len, str.begin(), pos, str.size());
}
SPROUT_CONSTEXPR size_type
find_last_not_of(value_type const* s, size_type pos, size_type n) const {
return find_last_not_of_impl_1(begin(), len, s, pos, n);
}
SPROUT_CONSTEXPR size_type
find_last_not_of(value_type const* s, size_type pos = npos) const {
return find_last_not_of(s, pos, traits_type::length(s));
}
SPROUT_CONSTEXPR size_type
find_last_not_of(value_type c, size_type pos = npos) const {
return len ? find_last_not_of_c_impl(begin(), len - 1 > pos ? pos : len - 1, c, pos)
: npos
;
}
SPROUT_CONSTEXPR basic_string
substr(size_type pos = 0, size_type n = npos) const {
return !(size() < pos)
@ -634,6 +705,38 @@ namespace sprout {
return find_last_of(s, pos, traits_type::length(s));
}
template<typename ConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_index_iterator<ConstIterator>::value,
size_type
>::type
find_first_not_of(ConstIterator s, size_type pos, size_type n) const {
return find_first_not_of_impl_1(begin(), len, s, pos, n);
}
template<typename ConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_index_iterator<ConstIterator>::value,
size_type
>::type
find_first_not_of(ConstIterator s, size_type pos = 0) const {
return find_first_not_of_impl_1(s, pos, traits_type::length(s));
}
template<typename ConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_index_iterator<ConstIterator>::value,
size_type
>::type
find_last_not_of(ConstIterator s, size_type pos, size_type n) const {
return find_last_not_of_impl_1(begin(), len, s, pos, n);
}
template<typename ConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_index_iterator<ConstIterator>::value,
size_type
>::type
find_last_not_of(ConstIterator s, size_type pos = npos) const {
return find_last_not_of_impl_1(s, pos, traits_type::length(s));
}
template<typename ConstIterator>
SPROUT_CONSTEXPR typename std::enable_if<
sprout::is_index_iterator<ConstIterator>::value,
int