225 lines
8.5 KiB
C++
225 lines
8.5 KiB
C++
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#include "precomp.hxx"
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int PC_to_UNIX ( int CodePage,
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int CodeSet,
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UCHAR *pPCChar,
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int PCChar_len,
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UCHAR *pUNIXChar,
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int UNIXChar_len
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)
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// The PC_to_UNIX function convert a character string as PC code
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// set string to a UNIX code set string.
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//
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// int CodePage Country Code Page.
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// If this value is -1, the function use OS CodePage from
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// Operating System automatically.
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//
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// Value Meaning
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// -1 Auto Detect Mode.
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// 932 Japan.
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// ??? Taiwan.
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// ??? Korea.
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// ??? PRC(Chaina)?
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//
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// int CodeSet Code Set Type.
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// There are three Japanese Code set in UNIX world.
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// These code sets are JIS, EUC and Shift JIS.
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// When CodePage is Japanese, the following Code set
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// constants are defined:
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//
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// Value Meaning
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// CODE_JPN_JIS JIS Code Set. The function convert
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// pPCChar string
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// to a JIS code set string.
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// CODE_JPN_EUC EUC Code Set. The function convert
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// pPCChar string
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// to a EUC code set string.
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// CODE_JPN_SJIS Shift JIS Code Set.
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//
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// UCHAR *pPCChar Points to the character string to be converted.
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//
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// int PCChar_len Specifies the size in bytes of the string pointed
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// to by the pPCChar parameter. If this value is -1,
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// the string is assumed to be NULL terminated and the
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// length is calculated automatically.
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//
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//
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// UCHAR *pUNIXChar Points to a buffer that receives the convert string
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// from PC Code to UNIX Code.
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//
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// int UNIXChar_len Specifies the size, in UNIX characters of the buffer
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// pointed to by the pUNIXChar parameter. If the value is
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// zero, the function returns the number of UNIX characters
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// required for the buffer, and makes no use of the
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// pUNIXChar buffer.
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//
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// Return Value
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// If the function succeeds, and UNIXChar_len is nonzero, the return value is
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// the number of UNIX characters written to the buffer pointed to by pUNIXChar.
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//
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// If the function succeeds, and UNIXChar_len is zero, the return value is the
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// required size, in UNIX characters, for a buffer that can receive the
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// converted string.
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//
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// If the function fails, the return value is -1. The error mean pUNIXChar
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// buffer is small for setting converted strings.
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//
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//@
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{
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int re;
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if ( CodePage == -1 )
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{
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CodePage = ( int )GetOEMCP();
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}
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switch ( CodePage ) {
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case 932: // Japanese Code Page
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// re = PC_to_JPNUNIX ( CodeSet,
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// pPCChar,
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// PCChar_len,
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// pUNIXChar,
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// UNIXChar_len );
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// break;
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// case ???: // Taiwan Code Page
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// re = PC_to_TAIWANUNIX (,,,,,,);
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// break;
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// case ???: // Korea Code Page
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// re = PC_to_KOREAUNIX (,,,,,,);
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// break;
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// case ???: // PRC Code Page
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// re = PC_to_PRCUNIX (,,,,,,);
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// break;
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default:
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// Start Only Copy Process
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if ( PCChar_len == -1 )
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{
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PCChar_len = strlen ( ( CHAR * )pPCChar ) + 1;
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}
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if ( UNIXChar_len != 0 )
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{
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if ( PCChar_len > UNIXChar_len )
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{
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// Is the buffer small?
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return ( -1 );
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}
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memmove ( pUNIXChar, pPCChar, PCChar_len );
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}
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re = PCChar_len;
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break;
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}
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return ( re );
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}
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int UNIX_to_PC (
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int CodePage,
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int CodeSet,
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UCHAR *pUNIXChar,
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int UNIXChar_len,
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UCHAR *pPCChar,
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int PCChar_len
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)
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// The UNIX_to_PC function convert a character string as UNIX code
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// set string to a PC code set string.
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//
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// int CodePage Country Code Page.
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// If this value is -1, the function use OS CodePage from
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// Operating System automatically.
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//
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// Value Meaning
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// -1 Auto Detect Mode.
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// 932 Japan.
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// ??? Taiwan.
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// ??? Korea.
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// ??? PRC(Chaina)?
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//
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// int CodeSet Code Set Type.
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// There are three Japanese Code set in UNIX world.
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// These code sets are JIS, EUC and Shift JIS.
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// When CodePage is Japanese, the following Code set
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// constants are defined:
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//
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// Value Meaning
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// CODE_UNKNOWN Unknown. If this value is CODE_UNKNOWN,
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// Code Type is checked automatically.
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//
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// CODE_JPN_JIS JIS Code Set. The function convert
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// pUNIXChar string as JIS code set string
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// to a PC code set string.
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// CODE_JPN_EUC EUC Code Set. The function convert
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// pUNIXChar string as EUC code set string
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// to a PC code set string.
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// CODE_JPN_SJIS Shift JIS Code Set.
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//
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// UCHAR *pUNIXChar Points to the character string to be converted.
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//
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// int UNIXChar_len Specifies the size in bytes of the string pointed
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// to by the pUNIXChar parameter. If this value is -1,
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// the string is assumed to be NULL terminated and the
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// length is calculated automatically.
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//
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// UCHAR *pPCChar Points to a buffer that receives the convert string
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// from UNIX Code to PC Code.
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//
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// int PCChar_len Specifies the size, in PC characters of the buffer
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// pointed to by the pPCChar parameter. If the value is zero,
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// the function returns the number of PC characters
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// required for the buffer, and makes no use of the pPCChar
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// buffer.
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//
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// Return Value
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// If the function succeeds, and PCChar_len is nonzero, the return value is the
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// number of PC characters written to the buffer pointed to by pPCChar.
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//
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// If the function succeeds, and PCChar_len is zero, the return value is the
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// required size, in PC characters, for a buffer that can receive the
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// converted string.
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//
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// If the function fails, the return value is -1. The error mean pPCChar buffer
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// is small for setting converted strings.
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//
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//@
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{
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int re;
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if ( CodePage == -1 ) {
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CodePage = (int)GetOEMCP();
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}
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switch ( CodePage ) {
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case 932: // Japanese Code Page
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// re = JPNUNIX_to_PC ( CodeSet, pUNIXChar, UNIXChar_len,
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// pPCChar, PCChar_len );
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// break;
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// case ???: // Taiwan Code Page
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// re = TAIWANUNIX_to_PC (,,,,,,);
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// break;
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// case ???: // Korea Code Page
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// re = KOREAUNIX_to_PC (,,,,,,);
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// break;
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// case ???: // PRC Code Page
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// re = PRCUNIX_to_PC (,,,,,,);
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// break;
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default:
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// Start Only Copy Process
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if ( UNIXChar_len == -1 )
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{
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UNIXChar_len = strlen ( ( CHAR * )pUNIXChar ) + 1;
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}
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if ( PCChar_len != 0 )
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{
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if ( UNIXChar_len > PCChar_len )
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{
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// Is the buffer small?
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return ( -1 );
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}
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memmove ( pPCChar, pUNIXChar, UNIXChar_len );
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}
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re = UNIXChar_len;
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break;
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}
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return ( re );
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}
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