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Adds pattern scanning functionality and corner case tests

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Implements a pattern scanning feature that allows searching for byte patterns within a byte range.

Adds `scan_for_pattern` method to `PatternScanner` to locate a pattern within a byte span.

Adds corner case tests to verify functionality and handle invalid inputs.
This commit is contained in:
Orange
2025-10-05 06:37:20 +03:00
parent 160b51da94
commit 06f9a8c9ee
3 changed files with 47 additions and 2 deletions
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12
include/omath/utility/pattern_scan.hpp
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@@ -7,12 +7,20 @@
#include <optional>
#include <string_view>
#include <vector>
#include <span>
// ReSharper disable once CppInconsistentNaming
class unit_test_pattern_scan_read_test_Test;
// ReSharper disable once CppInconsistentNaming
class unit_test_pattern_scan_corner_case_1_Test;
// ReSharper disable once CppInconsistentNaming
class unit_test_pattern_scan_corner_case_2_Test;
// ReSharper disable once CppInconsistentNaming
class unit_test_pattern_scan_corner_case_3_Test;
// ReSharper disable once CppInconsistentNaming
class unit_test_pattern_scan_corner_case_4_Test;
namespace omath
{
enum class PatternScanError
@@ -25,7 +33,11 @@ namespace omath
friend unit_test_pattern_scan_corner_case_1_Test;
friend unit_test_pattern_scan_corner_case_2_Test;
friend unit_test_pattern_scan_corner_case_3_Test;
friend unit_test_pattern_scan_corner_case_4_Test;
public:
[[nodiscard]]
static std::optional<std::span<std::byte>::const_iterator>
scan_for_pattern(const std::string_view& pattern, const std::span<std::byte>& range);
private:
[[nodiscard]]
static std::expected<std::vector<std::optional<std::byte>>, PatternScanError>