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StringUtil: Add BytePatternSearch()

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Stenzek
2024-08-13 14:47:11 +10:00
parent 9e09f53566
commit cbbfc2f11a
2 changed files with 102 additions and 2 deletions
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6
src/common/string_util.h
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@ -1,4 +1,4 @@
// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
// SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#pragma once
@ -8,6 +8,7 @@
#include <cstring>
#include <iomanip>
#include <optional>
#include <span>
#include <string>
#include <string_view>
#include <vector>
@ -275,6 +276,9 @@ size_t DecodeUTF8(const std::string& str, size_t offset, char32_t* ch);
std::string Ellipsise(const std::string_view str, u32 max_length, const char* ellipsis = "...");
void EllipsiseInPlace(std::string& str, u32 max_length, const char* ellipsis = "...");
/// Searches for the specified byte pattern in the given memory span. Wildcards (i.e. ??) are supported.
std::optional<size_t> BytePatternSearch(const std::span<const u8> bytes, const std::string_view pattern);
/// Strided memcpy/memcmp.
ALWAYS_INLINE static void StrideMemCpy(void* dst, std::size_t dst_stride, const void* src, std::size_t src_stride,
std::size_t copy_size, std::size_t count)