Import sources from 2011-03-30 iso image

1 files changed, 264 insertions, 0 deletions

diff --git a/sys/src/cmd/postscript/common/common.c b/sys/src/cmd/postscript/common/common.c
new file mode 100755
index 000000000..24c2f55cb
--- /dev/null
+++ b/sys/src/cmd/postscript/common/common.c
@@ -0,0 +1,264 @@
+#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");
+}