57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
#pragma once
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#include <string_view>
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#include <string>
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#include <algorithm>
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template<typename CharT>
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struct default_trim_arg
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{
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};
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template<>
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struct default_trim_arg<char>
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{
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static inline constexpr std::string_view value = " \t\r\n";
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};
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template<>
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struct default_trim_arg<wchar_t>
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{
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static inline constexpr std::wstring_view value = L" \t\r\n";
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};
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template<typename CharT>
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inline std::basic_string_view<CharT> left_trim(std::basic_string_view<CharT> s,
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const std::basic_string_view<CharT> chars_to_trim = default_trim_arg<CharT>::value)
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{
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s.remove_prefix(std::min<size_t>(s.find_first_not_of(chars_to_trim), size(s)));
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return s;
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}
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template<typename CharT>
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inline std::basic_string_view<CharT> right_trim(std::basic_string_view<CharT> s,
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const std::basic_string_view<CharT> chars_to_trim = default_trim_arg<CharT>::value)
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{
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s.remove_suffix(std::min<size_t>(size(s) - s.find_last_not_of(chars_to_trim) - 1, size(s)));
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return s;
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}
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template<typename CharT>
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inline std::basic_string_view<CharT> trim(std::basic_string_view<CharT> s,
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const std::basic_string_view<CharT> chars_to_trim = default_trim_arg<CharT>::value)
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{
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return left_trim(right_trim(s, chars_to_trim), chars_to_trim);
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}
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template<typename CharT>
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inline void replace_chars(std::basic_string<CharT>& s,
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const std::basic_string_view<CharT> chars_to_replace,
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const CharT replacement_char)
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{
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for (const CharT c : chars_to_replace)
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{
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std::replace(begin(s), end(s), c, replacement_char);
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}
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}
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