ref: 6ff5c10ffb06d10eee06f1d432f9cc4738496c07
dir: /sys/src/cmd/postscript/text2post/text2post.c/
#include <u.h>
#include <libc.h>
#include <ctype.h>
#include <bio.h>
#include <comments.h>
#include <path.h>
#define UNKNOWNCHAR "/sys/lib/postscript/prologues/pjw.char.ps"
char *optnames = "a:c:f:l:m:n:o:p:s:t:x:y:P:";
Biobuf *bstdin, *bstdout, *bstderr;
Biobufhdr *Bstdin, *Bstdout, *Bstderr;
int char_no = 0; /* character to be done on a line */
int line_no = 0; /* line number on a page */
int page_no = 0; /* page number in a document */
int in_string; /* Boolean, to know whether or not we are inside a Postscript string */
int spaces = 0;
int tabs = 0;
int pages_printed;
double aspectratio = 1.0;
int copies = 1;
double magnification = 1.0;
int landscape = 0;
int formsperpage = 1;
int linesperpage = 66;
int pointsize = 10;
double xoffset = .25;
double yoffset = .25;
char *passthrough = 0;
static int pplistmaxsize=0;
unsigned char *pplist=0; /* bitmap list for storing pages to print */
struct strtab {
int size;
char *str;
int used;
};
struct strtab charcode[256] = {
{4, "\\000"}, {4, "\\001"}, {4, "\\002"}, {4, "\\003"},
{4, "\\004"}, {4, "\\005"}, {4, "\\006"}, {4, "\\007"},
{4, "\\010"}, {4, "\\011"}, {4, "\\012"}, {4, "\\013"},
{4, "\\014"}, {4, "\\015"}, {4, "\\016"}, {4, "\\017"},
{4, "\\020"}, {4, "\\021"}, {4, "\\022"}, {4, "\\023"},
{4, "\\024"}, {4, "\\025"}, {4, "\\026"}, {4, "\\027"},
{4, "\\030"}, {4, "\\031"}, {4, "\\032"}, {4, "\\033"},
{4, "\\034"}, {4, "\\035"}, {4, "\\036"}, {4, "\\037"},
{1, " "}, {1, "!"}, {1, "\""}, {1, "#"},
{1, "$"}, {1, "%"}, {1, "&"}, {1, "'"},
{2, "\\("}, {2, "\\)"}, {1, "*"}, {1, "+"},
{1, ","}, {1, "-"}, {1, "."}, {1, "/"},
{1, "0"}, {1, "1"}, {1, "2"}, {1, "3"},
{1, "4"}, {1, "5"}, {1, "6"}, {1, "7"},
{1, "8"}, {1, "9"}, {1, ":"}, {1, ";"},
{1, "<"}, {1, "="}, {1, ">"}, {1, "?"},
{1, "@"}, {1, "A"}, {1, "B"}, {1, "C"},
{1, "D"}, {1, "E"}, {1, "F"}, {1, "G"},
{1, "H"}, {1, "I"}, {1, "J"}, {1, "K"},
{1, "L"}, {1, "M"}, {1, "N"}, {1, "O"},
{1, "P"}, {1, "Q"}, {1, "R"}, {1, "S"},
{1, "T"}, {1, "U"}, {1, "V"}, {1, "W"},
{1, "X"}, {1, "Y"}, {1, "Z"}, {1, "["},
{2, "\\\\"}, {1, "]"}, {1, "^"}, {1, "_"},
{1, "`"}, {1, "a"}, {1, "b"}, {1, "c"},
{1, "d"}, {1, "e"}, {1, "f"}, {1, "g"},
{1, "h"}, {1, "i"}, {1, "j"}, {1, "k"},
{1, "l"}, {1, "m"}, {1, "n"}, {1, "o"},
{1, "p"}, {1, "q"}, {1, "r"}, {1, "s"},
{1, "t"}, {1, "u"}, {1, "v"}, {1, "w"},
{1, "x"}, {1, "y"}, {1, "z"}, {1, "{"},
{1, "|"}, {1, "}"}, {1, "~"}, {4, "\\177"},
{4, "\\200"}, {4, "\\201"}, {4, "\\202"}, {4, "\\203"},
{4, "\\204"}, {4, "\\205"}, {4, "\\206"}, {4, "\\207"},
{4, "\\210"}, {4, "\\211"}, {4, "\\212"}, {4, "\\213"},
{4, "\\214"}, {4, "\\215"}, {4, "\\216"}, {4, "\\217"},
{4, "\\220"}, {4, "\\221"}, {4, "\\222"}, {4, "\\223"},
{4, "\\224"}, {4, "\\225"}, {4, "\\226"}, {4, "\\227"},
{4, "\\230"}, {4, "\\231"}, {4, "\\232"}, {4, "\\233"},
{4, "\\234"}, {4, "\\235"}, {4, "\\236"}, {4, "\\237"},
{4, "\\240"}, {4, "\\241"}, {4, "\\242"}, {4, "\\243"},
{4, "\\244"}, {4, "\\245"}, {4, "\\246"}, {4, "\\247"},
{4, "\\250"}, {4, "\\251"}, {4, "\\252"}, {4, "\\253"},
{4, "\\254"}, {4, "\\255"}, {4, "\\256"}, {4, "\\257"},
{4, "\\260"}, {4, "\\261"}, {4, "\\262"}, {4, "\\263"},
{4, "\\264"}, {4, "\\265"}, {4, "\\266"}, {4, "\\267"},
{4, "\\270"}, {4, "\\271"}, {4, "\\272"}, {4, "\\273"},
{4, "\\274"}, {4, "\\275"}, {4, "\\276"}, {4, "\\277"},
{4, "\\300"}, {4, "\\301"}, {4, "\\302"}, {4, "\\303"},
{4, "\\304"}, {4, "\\305"}, {4, "\\306"}, {4, "\\307"},
{4, "\\310"}, {4, "\\311"}, {4, "\\312"}, {4, "\\313"},
{4, "\\314"}, {4, "\\315"}, {4, "\\316"}, {4, "\\317"},
{4, "\\320"}, {4, "\\321"}, {4, "\\322"}, {4, "\\323"},
{4, "\\324"}, {4, "\\325"}, {4, "\\326"}, {4, "\\327"},
{4, "\\330"}, {4, "\\331"}, {4, "\\332"}, {4, "\\333"},
{4, "\\334"}, {4, "\\335"}, {4, "\\336"}, {4, "\\337"},
{4, "\\340"}, {4, "\\341"}, {4, "\\342"}, {4, "\\343"},
{4, "\\344"}, {4, "\\345"}, {4, "\\346"}, {4, "\\347"},
{4, "\\350"}, {4, "\\351"}, {4, "\\352"}, {4, "\\353"},
{4, "\\354"}, {4, "\\355"}, {4, "\\356"}, {4, "\\357"},
{4, "\\360"}, {4, "\\361"}, {4, "\\362"}, {4, "\\363"},
{4, "\\364"}, {4, "\\365"}, {4, "\\366"}, {4, "\\367"},
{4, "\\370"}, {4, "\\371"}, {4, "\\372"}, {4, "\\373"},
{4, "\\374"}, {4, "\\375"}, {4, "\\376"}, {4, "\\377"}
};
#define FONTABSIZE 0x27
struct strtab fontname[FONTABSIZE] = {
{19, "LucidaSansUnicode00", 0},
{19, "LucidaSansUnicode01", 0},
{19, "LucidaSansUnicode02", 0},
{19, "LucidaSansUnicode03", 0},
{19, "LucidaSansUnicode04", 0},
{19, "LucidaSansUnicode05", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{0, "", 0},
{19, "LucidaSansUnicode20", 0},
{19, "LucidaSansUnicode21", 0},
{19, "LucidaSansUnicode22", 0},
{0, "", 0},
{19, "LucidaSansUnicode24", 0},
{19, "LucidaSansUnicode25", 0},
{7, "Courier", 0}
};
/* This was taken from postprint */
int
cat(char *filename) {
Biobuf *bfile;
Biobufhdr *Bfile;
int n;
static char buf[Bsize];
bstdin = Bopen(filename, 0);
if (bstdin == 0) {
return(1);
}
Bstdin = &(bstdin->Biobufhdr);
if ((bfile = Bopen(filename, OREAD)) == 0) {
return(1);
}
Bfile = &(bfile->Biobufhdr);
while ((n=Bread(Bfile, buf, Bsize)) > 0) {
if (Bwrite(Bstdout, buf, n) != n) {
return(1);
}
}
if (n != 0) {
return(1);
}
return(0);
}
void
prologues(void) {
char *ts;
int tabstop;
Bprint(Bstdout, "%s", CONFORMING);
Bprint(Bstdout, "%s %s\n", VERSION, PROGRAMVERSION);
Bprint(Bstdout, "%s %s\n", DOCUMENTFONTS, ATEND);
Bprint(Bstdout, "%s %s\n", PAGES, ATEND);
Bprint(Bstdout, "%s", ENDCOMMENTS);
if (cat(POSTPRINT)) {
Bprint(Bstderr, "can't read %s", POSTPRINT);
exits("prologue");
}
if (DOROUND)
cat(ROUNDPAGE);
tabstop = 0;
ts = getenv("tabstop");
if(ts != nil)
tabstop = strtol(ts, nil, 0);
if(tabstop == 0)
tabstop = 8;
Bprint(Bstdout, "/f {findfont pointsize scalefont setfont} bind def\n");
Bprint(Bstdout, "/tabwidth /Courier f (");
while(tabstop--)
Bputc(Bstdout, 'n');
Bprint(Bstdout, ") stringwidth pop def\n");
Bprint(Bstdout, "/tab {tabwidth 0 ne {currentpoint 3 1 roll exch tabwidth mul add tabwidth\n");
Bprint(Bstdout, "\tdiv truncate tabwidth mul exch moveto} if} bind def\n");
Bprint(Bstdout, "/spacewidth /%s f ( ) stringwidth pop def\n", fontname[0].str);
Bprint(Bstdout, "/sp {spacewidth mul 0 rmoveto} bind def\n");
Bprint(Bstdout, "%s", ENDPROLOG);
Bprint(Bstdout, "%s", BEGINSETUP);
Bprint(Bstdout, "mark\n");
if (formsperpage > 1) {
Bprint(Bstdout, "%s %d\n", FORMSPERPAGE, formsperpage);
Bprint(Bstdout, "/formsperpage %d def\n", formsperpage);
}
if (aspectratio != 1) Bprint(Bstdout, "/aspectratio %g def\n", aspectratio);
if (copies != 1) Bprint(Bstdout, "/#copies %d store\n", copies);
if (landscape) Bprint(Bstdout, "/landscape true def\n");
if (magnification != 1) Bprint(Bstdout, "/magnification %s def\n", magnification);
if (pointsize != 10) Bprint(Bstdout, "/pointsize %d def\n", pointsize);
if (xoffset != .25) Bprint(Bstdout, "/xoffset %g def\n", xoffset);
if (yoffset != .25) Bprint(Bstdout, "/yoffset %g def\n", yoffset);
cat(ENCODINGDIR"/Latin1.enc");
if (passthrough != 0) Bprint(Bstdout, "%s\n", passthrough);
Bprint(Bstdout, "setup\n");
if (formsperpage > 1) {
cat(FORMFILE);
Bprint(Bstdout, "%d setupforms \n", formsperpage);
}
if (cat(UNKNOWNCHAR))
Bprint(Bstderr, "cannot open %s\n", UNKNOWNCHAR);
Bprint(Bstdout, "%s", ENDSETUP);
}
int
pageon(void) {
if (pplist == 0 && page_no != 0) return(1); /* no page list, print all pages */
if (page_no/8 < pplistmaxsize && (pplist[page_no/8] & 1<<(page_no%8)))
return(1);
else
return(0);
}
void
startpage(void) {
++char_no;
++line_no;
++page_no;
if (pageon()) {
++pages_printed;
Bprint(Bstdout, "%s %d %d\n", PAGE, page_no, pages_printed);
Bprint(Bstdout, "/saveobj save def\n");
Bprint(Bstdout, "mark\n");
Bprint(Bstdout, "%d pagesetup\n", pages_printed);
}
}
void
endpage(void) {
line_no = 0;
char_no = 0;
if (pageon()) {
Bprint(Bstdout, "cleartomark\n");
Bprint(Bstdout, "showpage\n");
Bprint(Bstdout, "saveobj restore\n");
Bprint(Bstdout, "%s %d %d\n", ENDPAGE, page_no, pages_printed);
}
}
void
startstring(void) {
if (!in_string) {
if (pageon()) Bprint(Bstdout, "(");
in_string = 1;
}
}
void
endstring(void) {
if (in_string) {
if (pageon()) Bprint(Bstdout, ") show ");
in_string = 0;
}
}
void
prspace(void) {
if (spaces) {
endstring();
if (pageon()) Bprint(Bstdout, "%d sp ", spaces);
spaces = 0;
}
}
void
prtab(void) {
if (tabs) {
endstring();
if (pageon()) Bprint(Bstdout, "%d tab ", tabs);
tabs = 0;
}
}
void
txt2post(void) {
int lastfont = -1;
int lastchar = -1;
int thisfont, thischar;
long r;
in_string = 0;
char_no = 0;
line_no = 0;
page_no = 0;
spaces = 0;
fontname[0].used++;
while ((r=Bgetrune(Bstdin)) >= 0) {
thischar = r & 0xff;
thisfont = (r>>8) & 0xff;
if (line_no == 0 && char_no == 0)
startpage();
if (line_no == 1 && char_no == 1) {
if (pageon()) Bprint(Bstdout, " /%s f\n", fontname[thisfont].str);
lastfont = thisfont;
}
switch (r) {
case ' ':
prtab();
if (lastfont > 0) {
spaces++;
continue;
}
break;
case '\n':
case '\f':
startstring();
if (pageon()) Bprint(Bstdout, ")l\n");
char_no = 1;
in_string = 0;
spaces = 0;
tabs = 0;
if (++line_no > linesperpage || r == '\f') {
endpage();
}
lastchar = -1;
continue;
case '\t':
prspace();
tabs++;
char_no++;
lastchar = -1;
continue;
case '\b':
/* just toss out backspaces for now */
if (lastchar != -1) {
endstring();
if (pageon()) Bprint(Bstdout, "(%s) stringwidth pop neg 0 rmoveto ", charcode[lastchar].str);
}
char_no++;
lastchar = -1;
continue;
}
/* do something if font is out of table range */
if (thisfont>=FONTABSIZE || fontname[thisfont].size == 0) {
prspace();
prtab();
endstring();
Bprint(Bstdout, "pw ");
char_no++;
lastchar = -1;
continue;
}
if (thisfont != lastfont) {
endstring();
if (pageon()) {
Bprint(Bstdout, "/%s f\n", fontname[thisfont].str);
}
fontname[thisfont].used++;
}
prspace();
prtab();
startstring();
if (pageon()) Bprint(Bstdout, "%s", charcode[thischar].str);
/* if (pageon()) Bprint(Bstdout, "%2.2x", thischar); /* try hex strings*/
char_no++;
lastchar = thischar;
lastfont = thisfont;
}
if (line_no != 0 || char_no != 0) {
if (char_no != 1) {
Bprint(Bstderr, "premature EOF: newline appended\n");
startstring();
if (pageon()) Bprint(Bstdout, ")l\n");
}
endpage();
}
}
void
pagelist(char *list) {
char c;
int n, m;
int state, start, end;
if (list == 0) return;
state = 1;
while ((c=*list) != '\0') {
n = 0;
while (isdigit(c)) {
n = n * 10 + c - '0';
c = *++list;
}
switch (state) {
case 1:
start = n;
case 2:
if (n/8+1 > pplistmaxsize) {
pplistmaxsize = n/8+1;
if ((pplist = realloc(pplist, n/8+1)) == 0) {
Bprint(Bstderr, "cannot allocate memory for page list\n");
exits("malloc");
}
}
for (m=start; m<=n; m++)
pplist[m/8] |= 1<<(m%8);
break;
}
switch (c) {
case '-':
state = 2;
list++;
break;
case ',':
state = 1;
list++;
break;
case '\0':
break;
}
}
}
void
finish(void) {
int i;
Bprint(Bstdout, "%s", TRAILER);
Bprint(Bstdout, "done\n");
Bprint(Bstdout, "%s", DOCUMENTFONTS);
for (i=0; i<FONTABSIZE; i++)
if (fontname[i].used)
Bprint(Bstdout, " %s", fontname[i].str);
Bprint(Bstdout, "\n");
Bprint(Bstdout, "%s %d\n", PAGES, pages_printed);
}
void
main(int argc, char *argv[]) {
int i;
char *t;
Biobuf *input;
if ((bstderr = (Biobuf *)malloc(sizeof(Biobuf))) == nil)
exits("malloc");
if (Binit(bstderr, 2, OWRITE) == Beof)
exits("Binit");
Bstderr = &(bstderr->Biobufhdr);
if ((bstdout = (Biobuf *)malloc(sizeof(Biobuf))) == nil)
exits("malloc");
if (Binit(bstdout, 1, OWRITE) == Beof)
exits("Binit");
Bstdout = &(bstdout->Biobufhdr);
ARGBEGIN{
case 'a': /* aspect ratio */
aspectratio = atof(ARGF());
break;
case 'c': /* copies */
copies = atoi(ARGF());
break;
case 'f': /* primary font, for now */
t = ARGF();
fontname[0].str = malloc(strlen(t)+1);
strcpy(fontname[0].str, t);
break;
case 'l': /* lines per page */
linesperpage = atoi(ARGF());
break;
case 'm': /* magnification */
magnification = atof(ARGF());
break;
case 'n': /* forms per page */
formsperpage = atoi(ARGF());
break;
case 'o': /* output page list */
pagelist(ARGF());
break;
case 'p': /* landscape or portrait mode */
if ( ARGF()[0] == 'l' )
landscape = 1;
else
landscape = 0;
break;
case 's': /* point size */
pointsize = atoi(ARGF());
break;
case 'x': /* shift things horizontally */
xoffset = atof(ARGF());
break;
case 'y': /* and vertically on the page */
yoffset = atof(ARGF());
break;
case 'P': /* PostScript pass through */
t = ARGF();
i = strlen(t) + 1;
passthrough = malloc(i);
if (passthrough == 0) {
Bprint(Bstderr, "cannot allocate memory for argument string\n");
exits("malloc");
}
strncpy(passthrough, t, i);
break;
default: /* don't know what to do for ch */
Bprint(Bstderr, "unknown option %C\n", ARGC());
break;
}ARGEND;
prologues();
if (argc <= 0) {
if ((bstdin = (Biobuf *)malloc(sizeof(Biobuf))) == nil)
exits("malloc");
if (Binit(bstdin, 0, OREAD) == Beof) {
fprint(2, "cannot Binit stdin\n");
exits("Binit");
}
Bstdin = &(bstdin->Biobufhdr);
txt2post();
}
for (i=0; i<argc; i++) {
bstdin = Bopen(argv[i], 0);
if (bstdin == 0) {
fprint(2, "cannot open file %s\n", argv[i]);
continue;
}
Bstdin = &(bstdin->Biobufhdr);
txt2post();
}
finish();
exits("");
}