wehub-resource-sync
bf9395e022
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24 lines
667 B
Go
24 lines
667 B
Go
// Copyright (c) 2026 Lark Technologies Pte. Ltd.
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// SPDX-License-Identifier: MIT
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package common
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// IsDangerousUnicode reports whether r is a Unicode character that can cause
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// terminal injection: BiDi overrides, zero-width characters, and Unicode line
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// terminators.
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func IsDangerousUnicode(r rune) bool {
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switch {
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case r >= 0x200B && r <= 0x200D: // ZWSP / ZWJ / ZWNJ
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return true
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case r == 0xFEFF: // BOM / ZWNBSP
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return true
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case r >= 0x202A && r <= 0x202E: // BiDi: LRE, RLE, PDF, LRO, RLO
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return true
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case r >= 0x2028 && r <= 0x2029: // LS, PS
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return true
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case r >= 0x2066 && r <= 0x2069: // LRI, RLI, FSI, PDI
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return true
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}
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return false
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}
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