f69251d87e
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7245 212acab6-be3b-0410-9dea-997c60f758d6
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
// validateunicode.h
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//
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// This file is a part of Unicode NSIS.
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//
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// Copyright (C) 2009-2021 Jim Park
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//
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// Licensed under the zlib/libpng license (the "License");
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// you may not use this file except in compliance with the License.
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//
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// This software is provided 'as-is', without any expressed or implied
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// warranty.
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//
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// This class can be used to check a buffer to see if it has the expected
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// Unicode encoding and look for byte order marks.
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#ifndef _VALIDATEUNICODE_
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#define _VALIDATEUNICODE_
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#include "tchar.h"
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#include <stdio.h>
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class CValidateUnicode
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{
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public:
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// Enum type for each Unicode encoding.
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enum FILE_TYPE
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{
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UTF_8 = 0,
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UTF_16LE,
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UTF_16BE,
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UTF_32LE,
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UTF_32BE,
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UNKNOWN
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};
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// Make sure that the buffer contains valid UTF-8 encoding.
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static int ValidateUTF8(unsigned char* buf, size_t characters);
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// Make sure that the buffer contains valid UTF-16LE encoding.
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static bool ValidateUTF16LE(unsigned char* buf, size_t bytes);
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// Make sure that the buffer contains valid UTF-16BE encoding.
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static bool ValidateUTF16BE(unsigned char* buf, size_t bytes);
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// Make sure that the buffer contains valid UTF-16 encoding.
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static bool ValidateUTF16(unsigned short* buf, size_t characters);
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// Does the buffer have a byte order mark? And if so, what does it say?
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static FILE_TYPE CheckBOM(unsigned char* buf, size_t bytes);
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// Convert a FILE_TYPE enum to a string.
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static const TCHAR* TypeToName(FILE_TYPE ftype);
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protected:
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// Given the initial byte of a UTF-8 character, how many bytes are to
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// follow?
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static int GetBytesToFollow(unsigned char ch);
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};
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#endif
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