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8ffa860bc3
In the given String, invert_case() swaps lowercase characters with uppercase ones and vice versa.
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2020, Fei Wu <f.eiwu@yahoo.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Concepts.h>
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#include <AK/Forward.h>
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namespace AK {
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namespace Detail {
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template<Concepts::AnyString T, Concepts::AnyString U>
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inline constexpr bool IsHashCompatible<T, U> = true;
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}
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enum class CaseSensitivity {
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CaseInsensitive,
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CaseSensitive,
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};
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enum class TrimMode {
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Left,
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Right,
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Both
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};
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enum class TrimWhitespace {
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Yes,
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No,
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};
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struct MaskSpan {
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size_t start;
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size_t length;
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bool operator==(MaskSpan const& other) const
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{
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return start == other.start && length == other.length;
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}
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bool operator!=(MaskSpan const& other) const
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{
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return !(*this == other);
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}
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};
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namespace StringUtils {
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bool matches(StringView str, StringView mask, CaseSensitivity = CaseSensitivity::CaseInsensitive, Vector<MaskSpan>* match_spans = nullptr);
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template<typename T = int>
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Optional<T> convert_to_int(StringView, TrimWhitespace = TrimWhitespace::Yes);
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template<typename T = unsigned>
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Optional<T> convert_to_uint(StringView, TrimWhitespace = TrimWhitespace::Yes);
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template<typename T = unsigned>
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Optional<T> convert_to_uint_from_hex(StringView, TrimWhitespace = TrimWhitespace::Yes);
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template<typename T = unsigned>
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Optional<T> convert_to_uint_from_octal(StringView, TrimWhitespace = TrimWhitespace::Yes);
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bool equals_ignoring_case(StringView, StringView);
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bool ends_with(StringView a, StringView b, CaseSensitivity);
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bool starts_with(StringView, StringView, CaseSensitivity);
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bool contains(StringView, StringView, CaseSensitivity);
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bool is_whitespace(StringView);
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StringView trim(StringView string, StringView characters, TrimMode mode);
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StringView trim_whitespace(StringView string, TrimMode mode);
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Optional<size_t> find(StringView haystack, char needle, size_t start = 0);
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Optional<size_t> find(StringView haystack, StringView needle, size_t start = 0);
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Optional<size_t> find_last(StringView haystack, char needle);
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Vector<size_t> find_all(StringView haystack, StringView needle);
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enum class SearchDirection {
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Forward,
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Backward
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};
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Optional<size_t> find_any_of(StringView haystack, StringView needles, SearchDirection);
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String to_snakecase(StringView);
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String to_titlecase(StringView);
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String invert_case(StringView);
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String replace(StringView, StringView needle, StringView replacement, bool all_occurrences = false);
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size_t count(StringView, StringView needle);
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}
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}
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using AK::CaseSensitivity;
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using AK::TrimMode;
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using AK::TrimWhitespace;
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