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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020, Fei Wu <f.eiwu@yahoo.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Concepts.h>
#include <AK/EnumBits.h>
#include <AK/Forward.h>
namespace AK {
namespace Detail {
template<Concepts::AnyString T, Concepts::AnyString U>
inline constexpr bool IsHashCompatible<T, U> = true;
}
enum class CaseSensitivity {
CaseInsensitive,
CaseSensitive,
};
enum class ReplaceMode {
All,
FirstOnly,
};
enum class TrimMode {
Left,
Right,
Both
};
enum class TrimWhitespace {
Yes,
No,
};
enum class SplitBehavior : unsigned {
// Neither keep empty substrings nor keep the trailing separator.
// This is the default behavior if unspecified.
Nothing = 0,
// If two separators follow each other without any characters
// in between, keep a "" in the resulting vector. (or only the
// separator if KeepTrailingSeparator is used)
KeepEmpty = 1,
// Do not strip off the separator at the end of the string.
KeepTrailingSeparator = 2,
};
AK_ENUM_BITWISE_OPERATORS(SplitBehavior);
struct MaskSpan {
size_t start;
size_t length;
bool operator==(MaskSpan const& other) const
{
return start == other.start && length == other.length;
}
};
namespace StringUtils {
bool matches(StringView str, StringView mask, CaseSensitivity = CaseSensitivity::CaseInsensitive, Vector<MaskSpan>* match_spans = nullptr);
template<typename T = int>
Optional<T> convert_to_int(StringView, TrimWhitespace = TrimWhitespace::Yes);
template<typename T = unsigned>
Optional<T> convert_to_uint(StringView, TrimWhitespace = TrimWhitespace::Yes);
template<typename T = unsigned>
Optional<T> convert_to_uint_from_hex(StringView, TrimWhitespace = TrimWhitespace::Yes);
template<typename T = unsigned>
Optional<T> convert_to_uint_from_octal(StringView, TrimWhitespace = TrimWhitespace::Yes);
#ifndef KERNEL
template<typename T>
Optional<T> convert_to_floating_point(StringView, TrimWhitespace = TrimWhitespace::Yes);
#endif
bool equals_ignoring_case(StringView, StringView);
bool ends_with(StringView a, StringView b, CaseSensitivity);
bool starts_with(StringView, StringView, CaseSensitivity);
bool contains(StringView, StringView, CaseSensitivity);
bool is_whitespace(StringView);
StringView trim(StringView string, StringView characters, TrimMode mode);
StringView trim_whitespace(StringView string, TrimMode mode);
Optional<size_t> find(StringView haystack, char needle, size_t start = 0);
Optional<size_t> find(StringView haystack, StringView needle, size_t start = 0);
Optional<size_t> find_last(StringView haystack, char needle);
Optional<size_t> find_last_not(StringView haystack, char needle);
Vector<size_t> find_all(StringView haystack, StringView needle);
enum class SearchDirection {
Forward,
Backward
};
Optional<size_t> find_any_of(StringView haystack, StringView needles, SearchDirection);
String to_snakecase(StringView);
String to_titlecase(StringView);
String invert_case(StringView);
String replace(StringView, StringView needle, StringView replacement, ReplaceMode);
size_t count(StringView, StringView needle);
}
}
using AK::CaseSensitivity;
using AK::ReplaceMode;
using AK::SplitBehavior;
using AK::TrimMode;
using AK::TrimWhitespace;
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