#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 */ voidpagelist(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;		}	}} BOOLEANpageon(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; voidstartstring(void) {	if (!in_string) {		stringhpos = hpos;		stringvpos = vpos;		if (pageon()) Bprint(Bstdout, "(");		in_string = 1;	}} voidendstring(void) {	if (in_string) {		if (pageon()) Bprint(Bstdout, ") %d %d w\n", stringhpos, stringvpos);		in_string = 0;	}} BOOLEANisinstring(void) {	return(in_string);} voidstartpage(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);	}} voidendpage(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 */ intcat(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; voiderror(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");}