ref: 24e73840072b4214b3c5e2167a85bdc408fd3b03
dir: /sys/src/cmd/postscript/common/common.c/
#include <u.h>
#include <libc.h>
#include <bio.h>
#include <ctype.h>
#include "common.h"
#include "comments.h"
#include "path.h"
struct strtab charcode[FONTSIZE] = {
{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"}
};
static BOOLEAN in_string = FALSE;
int char_no = 0;
int line_no = 0;
int page_no = 0; /* page number in a document */
int pages_printed = 0;
static int pplistmaxsize=0;
static unsigned char *pplist=0; /* bitmap list for storing pages to print */
void
pagelist(char *list) {
char c;
int n, m;
int state, start;
if (list == 0) return;
state = 1;
start = 0;
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;
pplist = galloc(pplist, n/8+1, "page list");
}
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;
}
}
}
BOOLEAN
pageon(void) {
extern BOOLEAN debug;
static BOOLEAN privdebug = FALSE;
if (pplist == 0 && page_no != 0) {
if (privdebug && !debug) {
privdebug = FALSE;
debug = TRUE;
}
return(TRUE); /* no page list, print all pages */
}
if (page_no/8 < pplistmaxsize && (pplist[page_no/8] & 1<<(page_no%8))) {
if (privdebug && !debug) {
privdebug = FALSE;
debug = TRUE;
}
return(TRUE);
} else {
if (!privdebug && debug) {
privdebug = TRUE;
debug = FALSE;
}
return(FALSE);
}
}
static int stringhpos, stringvpos;
void
startstring(void) {
if (!in_string) {
stringhpos = hpos;
stringvpos = vpos;
if (pageon()) Bprint(Bstdout, "(");
in_string = 1;
}
}
void
endstring(void) {
if (in_string) {
if (pageon()) Bprint(Bstdout, ") %d %d w\n", stringhpos, stringvpos);
in_string = 0;
}
}
BOOLEAN
isinstring(void) {
return(in_string);
}
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) {
endstring();
curpostfontid = -1;
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);
}
}
/* This was taken from postprint */
int
cat(char *filename) {
Biobuf *bfile;
Biobufhdr *Bfile;
int n;
static char buf[Bsize];
if ((bfile = Bopen(filename, OREAD)) == 0) {
return(1);
}
Bfile = &(bfile->Biobufhdr);
while ((n=Bread(Bfile, buf, Bsize)) > 0) {
if (Bwrite(Bstdout, buf, n) != n)
break;
}
Bterm(Bfile);
if (n != 0) {
return(1);
}
return(0);
}
extern int debug;
void *
galloc(void *ptr, int size, char *perstr) {
void *x;
if ((x=realloc(ptr, size)) == 0) {
perror(perstr);
exits("malloc");
}
return(x);
}
static char *errorstrings[] = {
{""}, /* NONE */
{"WARNING"},
{"FATAL"}
};
char *programname;
char *inputfilename = "<stdin>";
int inputlineno;
void
error(int errtype, char *fmt, ...) {
va_list arg;
Bflush(Bstdout);
Bflush(Bstderr);
fprint(2, "%s: %s:%d :%s: ", programname, inputfilename, inputlineno, errorstrings[errtype]);
va_start(arg, fmt);
vfprint(2, fmt, arg);
va_end(arg);
if (errtype == FATAL)
exits("fatal error");
}