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[FancyZones] HEX to RGB util (#6275)

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This commit is contained in:
Seraphima Zykova
2020-09-02 18:34:17 +03:00
committed by GitHub
parent 0349383d08
commit ce43b10b5b
5 changed files with 58 additions and 29 deletions
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21
src/common/string_utils.h
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@@ -4,21 +4,28 @@
#include <string>
#include <algorithm>
constexpr inline std::string_view default_trim_arg = " \t\r\n";
inline std::string_view left_trim(std::string_view s, const std::string_view chars_to_trim = default_trim_arg)
template<typename CharT>
inline constexpr std::basic_string_view<CharT> default_trim_arg()
{
s.remove_prefix(std::min(s.find_first_not_of(chars_to_trim), size(s)));
return reinterpret_cast<CharT*>(" \t\r\n");
}
template <typename CharT>
inline std::basic_string_view<CharT> left_trim(std::basic_string_view<CharT> s, const std::basic_string_view<CharT> chars_to_trim = default_trim_arg<CharT>())
{
s.remove_prefix(std::min<size_t>(s.find_first_not_of(chars_to_trim), size(s)));
return s;
}
inline std::string_view right_trim(std::string_view s, const std::string_view chars_to_trim = default_trim_arg)
template<typename CharT>
inline std::basic_string_view<CharT> right_trim(std::basic_string_view<CharT> s, const std::basic_string_view<CharT> chars_to_trim = default_trim_arg<CharT>())
{
s.remove_suffix(std::min(size(s) - s.find_last_not_of(chars_to_trim) - 1, size(s)));
s.remove_suffix(std::min<size_t>(size(s) - s.find_last_not_of(chars_to_trim) - 1, size(s)));
return s;
}
inline std::string_view trim(std::string_view s, const std::string_view chars_to_trim = default_trim_arg)
template<typename CharT>
inline std::basic_string_view<CharT> trim(std::basic_string_view<CharT> s, const std::basic_string_view<CharT> chars_to_trim = default_trim_arg<CharT>())
{
return left_trim(right_trim(s, chars_to_trim), chars_to_trim);
}