144 lines
3.5 KiB
C
144 lines
3.5 KiB
C
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#include <malloc.h>
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#include <windows.h>
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// #include <wincon.h>
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#include "list.h"
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static unsigned char* pData;
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static ULONG ulBlkOffset;
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static char* pBuffer;
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typedef enum {
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CT_LEAD = 0,
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CT_TRAIL = 1,
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CT_ANK = 2,
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CT_INVALID = 3,
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} DBCSTYPE;
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DBCSTYPE DBCScharType( char* str, int index )
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{
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// TT .. ??? maybe LEAD or TRAIL
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// FT .. second == LEAD
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// FF .. second == ANK
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// TF .. ??? maybe ANK or TRAIL
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if ( index >= 0 ){
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char* pos = str+index;
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DBCSTYPE candidate = (IsDBCSLeadByte( *pos-- ) ? CT_LEAD : CT_ANK);
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BOOL maybeTrail = FALSE;
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for ( ; pos >= str; pos-- ){
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if ( !IsDBCSLeadByte( *pos ) )
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break;
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maybeTrail ^= 1;
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}
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return maybeTrail ? CT_TRAIL : candidate;
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}
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return CT_INVALID;
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}
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void
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BuildLine(
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ULONG ulRow,
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char* pchDest
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)
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{
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ULONG ulIndentation;
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ULONG ulBufferIndex;
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ULONG ulDataLeft;
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ULONG ulNumberOfSpaces;
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unsigned char* pTOL = pData;
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ulBufferIndex = 0;
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ulDataLeft = vrgNewLen[ ulRow ];
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ulIndentation = vIndent;
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while ( (ulBufferIndex < (ULONG)(vWidth - 1)) && ulDataLeft ) {
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if ( ulBlkOffset >= BLOCKSIZE ) {
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ulBlkOffset = ulBlkOffset % BLOCKSIZE;
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while (vpBlockTop->next == NULL) {
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vReaderFlag = F_DOWN;
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SetEvent (vSemReader);
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WaitForSingleObject(vSemMoreData, WAITFOREVER);
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ResetEvent(vSemMoreData);
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}
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vpBlockTop = vpBlockTop->next;
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pData = vpBlockTop->Data + ulBlkOffset;
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pTOL = pData;
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}
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if ( ulIndentation ) {
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if ( *pData++ == 0x09 ) {
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ulIndentation -= vDisTab - (ulIndentation % vDisTab);
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} else {
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ulIndentation--;
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}
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} else {
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if (*pData >= 0x20) {
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*pchDest++ = *pData++;
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if ((ulBufferIndex == 0) &&
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vIndent &&
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(DBCScharType(pTOL, (int)(pData-1-pTOL)) == CT_TRAIL)
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)
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{
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*(pchDest-1) = 0x20;
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}
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ulBufferIndex++;
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} else if ( (*pData == 0x0d) || (*pData == 0x0a) ) {
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*pchDest++ = 0x20;
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pData++;
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ulBufferIndex++;
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} else if (*pData == 0x09) {
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ulNumberOfSpaces = vDisTab - ulBufferIndex % vDisTab;
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while (ulNumberOfSpaces && ( ulBufferIndex < (ULONG)( vWidth - 1 ) ) ) {
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*pchDest++ = 0x20;
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ulBufferIndex++;
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ulNumberOfSpaces--;
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}
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pData++;
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} else {
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*pchDest++ = *pData++;
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ulBufferIndex++;
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}
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}
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ulDataLeft--;
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ulBlkOffset++;
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}
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if (DBCScharType(pTOL, (int)(pData-1-pTOL)) == CT_LEAD){
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ulDataLeft++;
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ulBlkOffset--;
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ulBufferIndex--;
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pData--;
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pchDest--;
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}
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pData += ulDataLeft;
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ulBlkOffset += ulDataLeft;
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while (ulBufferIndex < (ULONG)(vWidth -1)) {
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*pchDest++ = 0x20;
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ulBufferIndex++;
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}
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}
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void
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DisTopDown(
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void
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)
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{
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ULONG ulRow;
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char *pt;
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pData = vpBlockTop->Data;
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pData += vOffTop;
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ulBlkOffset = vOffTop;
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pt = vScrBuf+vWidth;
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for (ulRow=0; ulRow < (ULONG)vLines; ulRow++ ) {
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BuildLine (ulRow, pt);
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pt += vWidth;
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}
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}
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