ladybird/AK/UnicodeUtils.cpp

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/*
* Copyright (c) 2021, Max Wipfli <mail@maxwipfli.ch>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Array.h>
#include <AK/Optional.h>
#include <AK/StringView.h>
#include <AK/UnicodeUtils.h>
namespace AK::UnicodeUtils {
Optional<StringView> get_unicode_control_code_point_alias(u32 code_point)
{
static constexpr Array<StringView, 32> ascii_controls_lookup_table = {
"NUL", "SOH", "STX", "ETX", "EOT", "ENQ", "ACK", "BEL",
"BS", "HT", "LF", "VT", "FF", "CR", "SO", "SI",
"DLE", "DC1", "DC2", "DC3", "DC4", "NAK", "SYN", "ETB",
"CAN", "EM", "SUB", "ESC", "FS", "GS", "RS", "US"
};
static constexpr Array<StringView, 32> c1_controls_lookup_table = {
"XXX", "XXX", "BPH", "NBH", "IND", "NEL", "SSA", "ESA",
"HTS", "HTJ", "VTS", "PLD", "PLU", "RI", "SS2", "SS3",
"DCS", "PU1", "PU2", "STS", "CCH", "MW", "SPA", "EPA",
"SOS", "XXX", "SCI", "CSI", "ST", "OSC", "PM", "APC"
};
if (code_point < 0x20)
return ascii_controls_lookup_table[code_point];
if (code_point >= 0x80 && code_point < 0xa0)
return c1_controls_lookup_table[code_point - 0x80];
return {};
}
}