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/*
* Code to output PostScript commands for one section of the document.
*/
#include "dvips.h" /* The copyright notice in that file is included too! */
/*
* These are the external routines we call.
*/
#include "protos.h"
/*
* These are the external variables we access.
*/
extern shalfword linepos ;
extern FILE *dvifile ;
extern FILE *bitfile ;
extern integer pagenum ;
extern long bytesleft ;
extern quarterword *raster ;
extern int quiet ;
extern Boolean reverse, multiplesects, disablecomments ;
extern Boolean evenpages, oddpages, pagelist ;
extern int actualdpi ;
extern int vactualdpi ;
extern int prettycolumn ;
extern integer hpapersize, vpapersize ;
extern integer pagecopies ;
static int psfont ;
extern double mag ;
extern char *fulliname ;
#ifdef HPS
int pagecounter ;
extern Boolean HPS_FLAG ;
#endif
/*
* Now we have the main procedure.
*/
void
dosection P2C(sectiontype *, s, int, c)
{
charusetype *cu ;
integer prevptr ;
int np ;
int k ;
integer thispage = 0 ;
char buf[104];
dopsfont(s) ;
#ifdef HPS
if (HPS_FLAG) pagecounter = 0;
#endif
if (multiplesects) {
setup() ;
}
cmdout("TeXDict") ;
cmdout("begin") ;
numout(hpapersize) ;
numout(vpapersize) ;
doubleout(mag) ;
numout((integer)DPI) ;
numout((integer)VDPI) ;
sprintf(buf, "(%.99s)", fulliname) ;
cmdout(buf) ;
cmdout("@start") ;
if (multiplesects)
cmdout("bos") ;
/*
* We insure raster is even-word aligned, because download might want that.
*/
if (bytesleft & 1) {
bytesleft-- ;
raster++ ;
}
cleanres() ;
cu = (charusetype *) (s + 1) ;
psfont = 1 ;
while (cu->fd) {
if (cu->psfused)
cu->fd->psflag = EXISTS ;
download(cu++, psfont++) ;
}
fonttableout() ;
if (! multiplesects) {
cmdout("end") ;
setup() ;
}
for (cu=(charusetype *)(s+1); cu->fd; cu++)
cu->fd->psflag = 0 ;
while (c > 0) {
c-- ;
prevptr = s->bos ;
if (! reverse)
(void)fseek(dvifile, (long)prevptr, 0) ;
np = s->numpages ;
while (np-- != 0) {
if (reverse)
(void)fseek(dvifile, (long)prevptr, 0) ;
pagenum = signedquad() ;
if ((evenpages && (pagenum & 1)) || (oddpages && (pagenum & 1)==0) ||
(pagelist && !InPageList(pagenum))) {
if (reverse) {
skipover(36) ;
prevptr = signedquad()+1 ;
} else {
skipover(40) ;
skippage() ;
skipnop() ;
}
++np ; /* this page wasn't counted for s->numpages */
continue;
}
/*
* We want to take the base 10 log of the number. It's probably
* small, so we do it quick.
*/
if (! quiet) {
int t = pagenum, i = 0 ;
if (t < 0) {
t = -t ;
i++ ;
}
do {
i++ ;
t /= 10 ;
} while (t > 0) ;
if (pagecopies < 20)
i += pagecopies - 1 ;
if (i + prettycolumn > STDOUTSIZE) {
fprintf(stderr, "\n") ;
prettycolumn = 0 ;
}
prettycolumn += i + 1 ;
#ifdef SHORTINT
(void)fprintf(stderr, "[%ld", pagenum) ;
#else /* ~SHORTINT */
(void)fprintf(stderr, "[%d", pagenum) ;
#endif /* ~SHORTINT */
(void)fflush(stderr) ;
}
skipover(36) ;
prevptr = signedquad()+1 ;
for (k=0; k<pagecopies; k++) {
if (k == 0) {
if (pagecopies > 1)
thispage = ftell(dvifile) ;
} else {
(void)fseek(dvifile, (long)thispage, 0) ;
if (prettycolumn + 1 > STDOUTSIZE) {
(void)fprintf(stderr, "\n") ;
prettycolumn = 0 ;
}
(void)fprintf(stderr, ".") ;
(void)fflush(stderr) ;
prettycolumn++ ;
}
dopage() ;
}
if (! quiet) {
(void)fprintf(stderr, "] ") ;
(void)fflush(stderr) ;
prettycolumn += 2 ;
}
if (! reverse)
(void)skipnop() ;
}
}
if (! multiplesects && ! disablecomments) {
newline() ;
(void)fprintf(bitfile, "%%%%Trailer\n") ;
}
if (multiplesects) {
if (! disablecomments) {
newline() ;
(void)fprintf(bitfile, "%%DVIPSSectionTrailer\n") ;
}
cmdout("eos") ;
cmdout("end") ;
}
#ifdef HPS
if (HPS_FLAG) cmdout("\nend") ; /* close off HPSDict */
#endif
if (multiplesects && ! disablecomments) {
newline() ;
(void)fprintf(bitfile, "%%DVIPSEndSection\n") ;
linepos = 0 ;
}
}
/*
* Handle a list of pages for dvips. Code based on dvi2ps 2.49,
* maintained by Piet van Oostrum, piet@cs.ruu.nl. Collected and
* modularized for inclusion in dvips by metcalf@lcs.mit.edu.
*/
#include <ctype.h>
#define MAXPAGE (1000000000) /* assume no pages out of this range */
struct p_list_str {
struct p_list_str *next; /* next in a series of alternates */
integer ps_low, ps_high; /* allowed range */
} *ppages = 0; /* the list of allowed pages */
/*-->InPageList*/
/**********************************************************************/
/****************************** InPageList **************************/
/**********************************************************************/
/* Return true iff i is one of the desired output pages */
int InPageList P1C(integer, i)
{
register struct p_list_str *pl = ppages;
while (pl) {
if ( i >= pl -> ps_low && i <= pl -> ps_high)
return 1; /* success */
pl = pl -> next;
}
return 0;
}
void InstallPL P2C(integer, pslow, integer, pshigh)
{
register struct p_list_str *pl;
pl = (struct p_list_str *)mymalloc((integer)(sizeof *pl));
pl -> next = ppages;
pl -> ps_low = pslow;
pl -> ps_high = pshigh;
ppages = pl;
}
/* Parse a string representing a list of pages. Return 0 iff ok. As a
side effect, the page selection(s) is (are) prepended to ppages. */
int
ParsePages P1C(register char *, s)
{
register int c ; /* current character */
register integer n = 0, /* current numeric value */
innumber; /* true => gathering a number */
integer ps_low = 0, ps_high = 0 ;
int range, /* true => saw a range indicator */
negative = 0; /* true => number being built is negative */
#define white(x) ((x) == ' ' || (x) == '\t' || (x) == ',')
range = 0;
innumber = 0;
for (;;) {
c = *s++;
if ( !innumber && !range) {/* nothing special going on */
if (c == 0)
return 0;
if (white (c))
continue;
}
if (c == '-' && !innumber) {
innumber++;
negative++;
n = 0;
continue;
}
if ('0' <= c && c <= '9') { /* accumulate numeric value */
if (!innumber) {
innumber++;
negative = 0;
n = c - '0';
continue;
}
n *= 10;
n += negative ? '0' - c : c - '0';
continue;
}
if (c == '-' || c == ':') {/* here's a range */
if (range)
return (-1);
if (innumber) { /* have a lower bound */
ps_low = n;
}
else
ps_low = -MAXPAGE;
range++;
innumber = 0;
continue;
}
if (c == 0 || white (c)) {/* end of this range */
if (!innumber) { /* no upper bound */
ps_high = MAXPAGE;
if (!range) /* no lower bound either */
ps_low = -MAXPAGE;
}
else { /* have an upper bound */
ps_high = n;
if (!range) { /* no range => lower bound == upper */
ps_low = ps_high;
}
}
InstallPL (ps_low, ps_high);
if (c == 0)
return 0;
range = 0;
innumber = 0;
continue;
}
return (-1);
}
#undef white
}
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