64a0f32e52
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6047 212acab6-be3b-0410-9dea-997c60f758d6
103 lines
2 KiB
C++
103 lines
2 KiB
C++
/*
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* writer.cpp
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*
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* This file is a part of NSIS.
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*
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* Copyright (C) 1999-2009 Nullsoft and Contributors
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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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* Licence details can be found in the file COPYING.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty.
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*
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* Unicode support by Jim Park -- 08/13/2007
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*/
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#include "exehead/config.h"
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#include "writer.h"
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#include "growbuf.h"
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#include "util.h"
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#include <string.h>
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#include <stdlib.h>
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#include <stdexcept>
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#include "tchar.h"
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void writer_sink::write_byte(const unsigned char b)
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{
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write_data(&b, 1);
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}
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void writer_sink::write_short(const short s)
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{
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short fs = FIX_ENDIAN_INT16(s);
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write_data(&fs, sizeof(short));
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}
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void writer_sink::write_int(const int i)
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{
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int fi = FIX_ENDIAN_INT32(i);
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write_data(&fi, sizeof(int));
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}
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void writer_sink::write_int_array(const int i[], const size_t len)
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{
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for (size_t l = 0; l < len; l++)
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{
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write_int(i[l]);
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}
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}
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// size in this case is the length of the string to write.
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void writer_sink::write_string(const TCHAR *s, size_t size)
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{
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#ifdef _UNICODE
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bool strEnd = false;
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TCHAR ch;
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for (; size ; size--)
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{
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if (!strEnd)
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{
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ch = *s++;
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if (ch == _T('\0'))
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strEnd = true;
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}
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write_short(ch);
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}
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#else
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char *wb = new char[size];
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memset(wb, 0, size);
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strncpy(wb, s, size);
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write_data(wb, size);
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delete [] wb;
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#endif
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}
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void writer_sink::write_growbuf(const IGrowBuf *b)
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{
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write_data(b->get(), b->getlen());
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}
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void growbuf_writer_sink::write_data(const void *data, const size_t size)
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{
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m_buf->add(data, size);
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}
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void file_writer_sink::write_data(const void *data, const size_t size)
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{
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if (fwrite(data, 1, size, m_fp) != size)
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{
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throw std::runtime_error("error writing");
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}
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}
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#ifdef NSIS_CONFIG_CRC_SUPPORT
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#include "crc32.h"
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void crc_writer_sink::write_data(const void *data, const size_t size)
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{
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*m_crc = CRC32(*m_crc, (const unsigned char *) data, size);
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}
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#endif
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