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/************************************************************************/
/* */
/* Calculate page number and ref fields. */
/* */
/************************************************************************/
# include "tedConfig.h"
# include <stdlib.h>
# include <string.h>
# include <stdio.h>
# include <appDebugon.h>
# include <utilBase26.h>
# include <utilRoman.h>
# include "docBuf.h"
# include "docEvalField.h"
/************************************************************************/
/* */
/* Evaluate page number related fields. */
/* */
/* The function that evaluates a REF field is an honorary member of */
/* this file. */
/* */
/************************************************************************/
/************************************************************************/
/* */
/* Format a page number to be used in a certain paragraph. */
/* */
/************************************************************************/
static int docGetPageNumberOffset( const BufferItem * sectBi )
{
if ( ! sectBi->biParent )
{ XDEB(sectBi->biParent); return 0; }
while( sectBi->biNumberInParent > 0 )
{
if ( sectBi->biSectRestartPageNumbers )
{ break; }
sectBi= sectBi->biParent->biChildren[sectBi->biNumberInParent- 1];
}
if ( sectBi->biSectRestartPageNumbers )
{
return sectBi->biTopPosition.lpPage- sectBi->biSectStartPageNumber;
}
else{ return sectBi->biTopPosition.lpPage; }
}
static void docFormatPageNumber( char * target,
int targetSize,
const BufferItem * sectBi,
int pageNumber )
{
int style= sectBi->biSectPageNumberStyle;
if ( targetSize < 20 )
{ LDEB(targetSize); strcpy( target, "?" ); return; }
pageNumber -= docGetPageNumberOffset( sectBi );
switch( style )
{
default:
LDEB(style);
/*FALLTHROUGH*/
case DOCpgnDEC:
sprintf( target, "%d", pageNumber+ 1 );
break;
case DOCpgnUCLTR:
if ( utilBase26String( target, targetSize, pageNumber+ 1, 1 ) )
{ LDEB(pageNumber); return ; }
break;
case DOCpgnLCLTR:
if ( utilBase26String( target, targetSize, pageNumber+ 1, 0 ) )
{ LDEB(pageNumber); return ; }
break;
case DOCpgnUCRM:
if ( utilRomanString( target, targetSize, pageNumber+ 1, 1 ) )
{ sprintf( target, "UCRM:%d", pageNumber+ 1 ); }
break;
case DOCpgnLCRM:
if ( utilRomanString( target, targetSize, pageNumber+ 1, 0 ) )
{ sprintf( target, "lcrm:%d", pageNumber+ 1 ); }
break;
}
return;
}
/************************************************************************/
/* */
/* Return the value of a pageref field. */
/* */
/************************************************************************/
int docCalculatePagerefFieldString( int * pCalculated,
int * pNewSize,
unsigned char * target,
int targetSize,
BufferDocument * bd,
const BufferItem * paraBi,
int part,
int partCount,
const DocumentField * dfRef )
{
DocumentField * dfMark;
int pageNumber;
int i;
const BufferItem * sectBi= (const BufferItem *)0;
const char * markName;
int markSize;
int n;
if ( docFieldGetPageref( dfRef, &markName, &markSize ) )
{ LDEB(1); *pCalculated= 0; return 0; }
n= docGetBookmarkField( &dfMark, markName, markSize, &(bd->bdFieldList) );
if ( n < 0 )
{ SLLDEB(markName,markSize,n); *pCalculated= 0; return 0; }
pageNumber= dfMark->dfPage;
for ( i= 0; i < bd->bdItem.biChildCount; i++ )
{
sectBi= bd->bdItem.biChildren[i];
if ( sectBi->biBelowPosition.lpPage >= pageNumber )
{ break; }
}
if ( i >= bd->bdItem.biChildCount )
{ LDEB(1); *pCalculated= 0; return 0; }
docFormatPageNumber( (char *)target, targetSize, sectBi, pageNumber );
*pNewSize= strlen( (char *)target );
*pCalculated= 1;
return 0;
}
/************************************************************************/
/* */
/* Return the number of the current section. */
/* */
/************************************************************************/
int docCalculateSectionFieldString( int * pCalculated,
int * pNewSize,
unsigned char * target,
int targetSize,
BufferDocument * bd,
const BufferItem * paraBi,
int part,
int partCount,
const DocumentField * df )
{
const BufferItem * sectBi;
sectBi= paraBi;
while( sectBi && sectBi->biLevel != DOClevSECT )
{ sectBi= sectBi->biParent; }
if ( ! sectBi )
{ XDEB(sectBi); *pCalculated= 0; return 0; }
if ( sectBi->biInExternalItem != DOCinBODY )
{
if ( ! sectBi->biSectHeaderFooterUseForSectBi )
{
XDEB(sectBi->biSectHeaderFooterUseForSectBi);
*pCalculated= 0; return 0;
}
sectBi= sectBi->biSectHeaderFooterUseForSectBi;
}
sprintf( (char *)target, "%d", sectBi->biNumberInParent+ 1 );
*pNewSize= strlen( (char *)target );
*pCalculated= 1; return 0;
}
int docCalculateSectionPagesFieldString(int * pCalculated,
int * pNewSize,
unsigned char * target,
int targetSize,
BufferDocument * bd,
const BufferItem * paraBi,
int part,
int partCount,
const DocumentField * df )
{
const BufferItem * sectBi;
sectBi= paraBi;
while( sectBi && sectBi->biLevel != DOClevSECT )
{ sectBi= sectBi->biParent; }
if ( ! sectBi )
{ XDEB(sectBi); *pCalculated= 0; return 0; }
if ( sectBi->biInExternalItem != DOCinBODY )
{
if ( ! sectBi->biSectHeaderFooterUseForSectBi )
{
XDEB(sectBi->biSectHeaderFooterUseForSectBi);
*pCalculated= 0; return 0;
}
sectBi= sectBi->biSectHeaderFooterUseForSectBi;
}
sprintf( (char *)target, "%d",
sectBi->biBelowPosition.lpPage- sectBi->biTopPosition.lpPage+ 1 );
*pNewSize= strlen( (char *)target );
*pCalculated= 1; return 0;
}
/************************************************************************/
/* */
/* Return the value of a page/numpages field. */
/* */
/************************************************************************/
int docCalculatePageFieldString( int * pCalculated,
int * pNewSize,
unsigned char * target,
int targetSize,
BufferDocument * bd,
const BufferItem * paraBi,
int part,
int partCount,
const DocumentField * df )
{
const BufferItem * headerFooterBi;
headerFooterBi= paraBi->biParent;
headerFooterBi= headerFooterBi->biParent;
headerFooterBi= headerFooterBi->biParent;
if ( ! headerFooterBi->biSectHeaderFooterUseForSectBi )
{ XDEB(headerFooterBi->biSectHeaderFooterUseForSectBi); return -1; }
docFormatPageNumber( (char *)target, targetSize,
headerFooterBi->biSectHeaderFooterUseForSectBi,
headerFooterBi->biSectHeaderFooterUseForPage );
*pNewSize= strlen( (char *)target );
*pCalculated= 1; return 0;
}
int docCalculateNumpagesFieldString( int * pCalculated,
int * pNewSize,
unsigned char * target,
int targetSize,
BufferDocument * bd,
const BufferItem * paraBi,
int part,
int partCount,
const DocumentField * df )
{
if ( targetSize < 20 )
{ LDEB(targetSize); return -1; }
sprintf( (char *)target, "%d", bd->bdItem.biBelowPosition.lpPage+ 1 );
*pNewSize= strlen( (char *)target );
*pCalculated= 1; return 0;
}
/************************************************************************/
/* */
/* Return the value of a ref field. */
/* */
/************************************************************************/
int docCalculateRefFieldString( int * pCalculated,
int * pNewSize,
unsigned char * target,
int targetSize,
BufferDocument * bd,
const BufferItem * paraBi,
int part,
int partCount,
const DocumentField * dfRef )
{
const char * markName;
int markSize;
DocumentSelection dsNew;
int len;
if ( docFieldGetRef( dfRef, &markName, &markSize ) )
{ LDEB(1); *pCalculated= 0; return 0; }
docInitDocumentSelection( &dsNew );
if ( docFindBookmarkInDocument( &dsNew, bd, markName, markSize ) )
{
SLDEB(markName,markSize);
strcpy( (char *)target, "<<?!?>>" );
len= strlen( (char *)target );
}
else{
int beginMoved= 0;
int endMoved= 0;
const unsigned char * string;
docConstrainSelectionToOneParagraph( &beginMoved, &endMoved, &dsNew );
if ( dsNew.dsEnd.dpStroff == dsNew.dsBegin.dpStroff )
{ LLDEB(dsNew.dsEnd.dpStroff,dsNew.dsBegin.dpStroff); }
string= dsNew.dsBegin.dpBi->biParaString;
len= dsNew.dsEnd.dpStroff- dsNew.dsBegin.dpStroff;
if ( len > targetSize )
{ len= targetSize; }
memcpy( target, string+ dsNew.dsBegin.dpStroff, len );
target[len]= '\0';
}
*pNewSize= len;
*pCalculated= 1;
return 0;
}
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