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#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include "../common/common.h"
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#include "tr2post.h"
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int hpos = 0, vpos = 0;
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int fontsize, fontpos;
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#define MAXSTR 128
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int trindex; /* index into trofftab of current troff font */
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static int expecthmot = 0;
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void
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initialize(void) {
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}
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void
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hgoto(int x) {
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hpos = x;
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if (pageon()) {
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endstring();
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/* Bprint(Bstdout, "%d %d m\n", hpos, vpos); */
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}
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}
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void
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vgoto(int y) {
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vpos = y;
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if (pageon()) {
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endstring();
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/* Bprint(Bstdout, "%d %d m\n", hpos, vpos); */
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}
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}
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void
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hmot(int x) {
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int delta;
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if ((x<expecthmot-1) || (x>expecthmot+1)) {
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delta = x - expecthmot;
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if (curtrofffontid <0 || curtrofffontid >= troffontcnt) {
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fprint(2, "troffontcnt=%d curtrofffontid=%d\n",
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troffontcnt, curtrofffontid);
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exits("");
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}
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if (delta == troffontab[curtrofffontid].spacewidth*fontsize/10 &&
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isinstring()) {
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if (pageon())
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runeout(' ');
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} else {
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if (pageon()) {
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endstring();
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/* Bprint(Bstdout, " %d 0 rmoveto ", delta); */
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/* Bprint(Bstdout, " %d %d m ", hpos+x, vpos); */
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if (debug)
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fprint(2, "x=%d expecthmot=%d\n",
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x, expecthmot);
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}
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}
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}
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hpos += x;
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expecthmot = 0;
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}
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void
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vmot(int y) {
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endstring();
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/* Bprint(Bstdout, " 0 %d rmoveto ", -y); */
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vpos += y;
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}
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struct charent **
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findglyph(int trfid, Rune rune, char *stoken) {
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struct charent **cp;
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for (cp = &(troffontab[trfid].charent[RUNEGETGROUP(rune)][RUNEGETCHAR(rune)]); *cp != 0; cp = &((*cp)->next)) {
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if ((*cp)->name) {
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if (debug) fprint(2, "looking for <%s>, have <%s> in font %s\n", stoken, (*cp)->name, troffontab[trfid].trfontid);
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if (strcmp((*cp)->name, stoken) == 0)
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break;
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}
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}
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return(cp);
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}
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/* output glyph. Use first rune to look up character (hash)
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* then use stoken UTF string to find correct glyph in linked
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* list of glyphs in bucket.
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*/
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void
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glyphout(Rune rune, char *stoken, BOOLEAN specialflag) {
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struct charent **cp;
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struct troffont *tfp;
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struct psfent *psfp;
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int i, t, mi, wid;
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int fontid; /* this is the troff font table index, not the mounted font table index */
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Rune r;
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mi = 0;
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settrfont();
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/* check current font for the character, special or not */
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fontid = curtrofffontid;
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if (debug)
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fprint(2, "\tlooking through current font: trying %s\n",
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troffontab[fontid].trfontid);
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cp = findglyph(fontid, rune, stoken);
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if (*cp != 0)
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goto foundit;
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if (specialflag) {
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if (expecthmot)
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hmot(0);
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/* check special fonts for the special character */
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/* cycle through the (troff) mounted fonts starting at the next font */
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for (mi=0; mi<fontmnt; mi++) {
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if (troffontab[fontid].trfontid==0)
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error(WARNING, "glyphout:troffontab[%d].trfontid=0x%x, botch!\n",
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fontid, troffontab[fontid].trfontid);
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if (fontmtab[mi]==0) {
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if (debug)
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fprint(2, "fontmtab[%d]=%#p, fontmnt=%d\n",
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mi, fontmtab[mi], fontmnt);
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continue;
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}
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if (strcmp(troffontab[fontid].trfontid, fontmtab[mi])==0)
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break;
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}
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if (mi==fontmnt)
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error(FATAL, "current troff font is not mounted, botch!\n");
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for (i=(mi+1)%fontmnt; i!=mi; i=(i+1)%fontmnt) {
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if (fontmtab[i]==0) {
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if (debug)
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fprint(2, "fontmtab[%d]=%#p, fontmnt=%d\n",
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i, fontmtab[i], fontmnt);
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continue;
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}
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fontid = findtfn(fontmtab[i], TRUE);
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if (debug) fprint(2, " looking through special fonts: trying %s\n", troffontab[fontid].trfontid);
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if (troffontab[fontid].special) {
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cp = findglyph(fontid, rune, stoken);
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if (*cp != 0)
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goto foundit;
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}
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}
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/* check font 1 (if current font is not font 1) for the special character */
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if (mi != 1) {
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fontid = findtfn(fontmtab[1], TRUE);;
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if (debug) fprint(2, " looking through font at position 1: trying %s\n", troffontab[fontid].trfontid);
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cp = findglyph(fontid, rune, stoken);
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if (*cp != 0) goto foundit;
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}
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}
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if (*cp == 0) {
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error(WARNING, "cannot find glyph, rune=0x%x stoken=<%s> troff font %s\n", rune, stoken,
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troffontab[curtrofffontid].trfontid);
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expecthmot = 0;
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}
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/* use the peter face in lieu of the character that we couldn't find */
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rune = 'p'; stoken = "pw";
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for (i=(mi+1)%fontmnt; i!=mi; i=(i+1)%fontmnt) {
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if (fontmtab[i]==0) {
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if (debug) fprint(2, "fontmtab[%d]=%#p\n", i, fontmtab[i]);
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continue;
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}
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fontid = findtfn(fontmtab[i], TRUE);
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if (debug) fprint(2, " looking through special fonts: trying %s\n", troffontab[fontid].trfontid);
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if (troffontab[fontid].special) {
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cp = findglyph(fontid, rune, stoken);
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if (*cp != 0) goto foundit;
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}
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}
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if (*cp == 0) {
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error(WARNING, "cannot find glyph, rune=0x%x stoken=<%s> troff font %s\n",
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rune, stoken, troffontab[curtrofffontid].trfontid);
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expecthmot = 0;
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return;
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}
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foundit:
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t = (((*cp)->postfontid&0xff)<<8) | ((*cp)->postcharid&0xff);
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if (debug)
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fprint(2, "runeout(0x%x)<%C> postfontid=0x%x postcharid=0x%x troffcharwidth=%d\n",
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rune, rune, (*cp)->postfontid, (*cp)->postcharid,
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(*cp)->troffcharwidth);
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tfp = &troffontab[fontid];
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psfp = nil;
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for (i=0; i<tfp->psfmapsize; i++) {
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psfp = &(tfp->psfmap[i]);
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if(t>=psfp->start && t<=psfp->end)
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break;
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}
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if (i >= tfp->psfmapsize)
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error(FATAL, "character <0x%x> does not have a Postscript font defined.\n", rune);
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setpsfont(psfp->psftid, fontsize);
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if (t == 0x0001) { /* character is in charlib */
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endstring();
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if (pageon()) {
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Bprint(Bstdout, "%d %d m ", hpos, vpos);
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/* if char is unicode character rather than name, clean up for postscript */
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wid = chartorune(&r, (*cp)->name);
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if(' '<r && r<0x7F)
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Bprint(Bstdout, "%d build_%s\n",
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(*cp)->troffcharwidth, (*cp)->name);
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else{
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if((*cp)->name[wid] != 0)
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error(FATAL, "character <%s> badly named\n", (*cp)->name);
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Bprint(Bstdout, "%d build_X%.4x\n",
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(*cp)->troffcharwidth, r);
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}
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/*
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* stash charent pointer in a list so that we can
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* print these character definitions in the prologue.
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*/
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for (i=0; i<build_char_cnt; i++)
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if (*cp == build_char_list[i])
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break;
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if (i == build_char_cnt) {
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build_char_list = galloc(build_char_list,
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sizeof(struct charent *)*++build_char_cnt,
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"build_char_list");
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build_char_list[build_char_cnt-1] = *cp;
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}
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}
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expecthmot = (*cp)->troffcharwidth * fontsize / unitwidth;
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} else if (isinstring() || rune != ' ') {
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startstring();
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if (pageon())
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if (rune == ' ')
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Bprint(Bstdout, " ");
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else
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Bprint(Bstdout, "%s", charcode[RUNEGETCHAR(t)].str);
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expecthmot = (*cp)->troffcharwidth * fontsize / unitwidth;
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}
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}
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/*
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* runeout puts a symbol into a string (queue) to be output.
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* It also has to keep track of the current and last symbol
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* output to check that the spacing is correct by default
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* or needs to be adjusted with a spacing operation.
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*/
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void
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runeout(Rune rune) {
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char stoken[UTFmax+1];
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int i;
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i = runetochar(stoken, &rune);
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stoken[i] = '\0';
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glyphout(rune, stoken, TRUE);
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}
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void
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specialout(char *stoken) {
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Rune rune;
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chartorune(&rune, stoken);
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glyphout(rune, stoken, TRUE);
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}
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void
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graphfunc(Biobufhdr *bp) {
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USED(bp);
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}
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long
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nametorune(char *name) {
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USED(name);
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return(0);
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}
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void
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notavail(char *msg) {
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fprint(2, "%s is not available at this time.\n", msg);
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}
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