KOKO\Mimi
29 lines
881 B
C++
29 lines
881 B
C++
#ifndef FESA_CORE_ASCII_H_
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#define FESA_CORE_ASCII_H_
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#include <cstdint>
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#include <string_view>
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#include "fesa/core/status.h"
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namespace fesa {
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/// @brief Converts one ASCII uppercase byte to lowercase.
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/// @return The lowercase ASCII byte, or the input byte when it is not A-Z.
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char AsciiLower(char value) noexcept;
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/// @brief Compares two byte strings with ASCII-only case folding.
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/// @return True when the strings have equal length and equal ASCII-folded
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/// bytes.
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bool AsciiCaseInsensitiveEquals(std::string_view lhs,
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std::string_view rhs) noexcept;
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/// @brief Parses a complete positive base-10 source label.
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/// @return The positive label or an input failure for malformed, nonpositive,
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/// or out-of-range text.
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Result<std::int64_t> ParsePositiveSourceLabel(std::string_view text);
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} // namespace fesa
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#endif // FESA_CORE_ASCII_H_
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