mirror of
https://github.com/apple/swift.git
synced 2026-06-27 12:25:55 +02:00
Alejandro Alonso
45 lines
1.4 KiB
C++
45 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2025 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#if SWIFT_STDLIB_ENABLE_UNICODE_DATA
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#include "Common/EmojiData.h"
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#else
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#include "swift/Runtime/Debug.h"
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#endif
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#include "UnicodeData.h"
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#include <stdint.h>
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SWIFT_RUNTIME_STDLIB_INTERNAL
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__swift_bool _swift_stdlib_isExtendedPictographic(__swift_uint32_t scalar) {
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// Fast Path: U+A9 is the first scalar to be an extended pictographic.
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if (scalar < 0xA9) {
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return false;
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}
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#if !SWIFT_STDLIB_ENABLE_UNICODE_DATA
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swift::swift_abortDisabledUnicodeSupport();
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#else
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auto dataIdx = _swift_stdlib_getScalarBitArrayIdx(scalar,
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_swift_stdlib_emojiData,
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_swift_stdlib_emojiData_ranks);
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// If we don't have an index into the data indices, then this scalar is not an
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// extended pictographic.
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if (dataIdx == INTPTR_MAX) {
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return false;
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}
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return true;
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#endif
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}
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