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https://github.com/SerenityOS/serenity
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56253bf389
This patch reimplements the StringView::find methods in StringUtils, so they can also be used by String. The methods now also take an optional start parameter, which moves their API in line with String's respective methods. This also implements a StringView::find_ast(char) method, which is currently functionally equivalent to find_last_of(char). This is because find_last_of(char) will be removed in a further commit.
75 lines
2.1 KiB
C++
75 lines
2.1 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/Forward.h>
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namespace AK {
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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==(const MaskSpan& 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!=(const MaskSpan& 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(const StringView& str, const 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(const StringView&, TrimWhitespace = TrimWhitespace::Yes);
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template<typename T = unsigned>
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Optional<T> convert_to_uint(const StringView&, TrimWhitespace = TrimWhitespace::Yes);
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template<typename T = unsigned>
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Optional<T> convert_to_uint_from_hex(const StringView&, TrimWhitespace = TrimWhitespace::Yes);
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bool equals_ignoring_case(const StringView&, const StringView&);
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bool ends_with(const StringView& a, const StringView& b, CaseSensitivity);
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bool starts_with(const StringView&, const StringView&, CaseSensitivity);
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bool contains(const StringView&, const StringView&, CaseSensitivity);
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bool is_whitespace(const StringView&);
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StringView trim(const StringView& string, const StringView& characters, TrimMode mode);
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StringView trim_whitespace(const StringView& string, TrimMode mode);
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Optional<size_t> find(StringView const& haystack, char needle, size_t start = 0);
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Optional<size_t> find(StringView const& haystack, StringView const& needle, size_t start = 0);
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Optional<size_t> find_last(StringView const& haystack, char needle);
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Vector<size_t> find_all(StringView const& haystack, StringView const& needle);
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String to_snakecase(const StringView&);
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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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