diff options
Diffstat (limited to 'src/cmd/postscript/text2post/text2post.c')
-rw-r--r-- | src/cmd/postscript/text2post/text2post.c | 564 |
1 files changed, 564 insertions, 0 deletions
diff --git a/src/cmd/postscript/text2post/text2post.c b/src/cmd/postscript/text2post/text2post.c new file mode 100644 index 00000000..cf6b109e --- /dev/null +++ b/src/cmd/postscript/text2post/text2post.c @@ -0,0 +1,564 @@ +#include <u.h> +#include <libc.h> +#include <ctype.h> +#include <bio.h> +#include <comments.h> +#include <path.h> + +#define UNKNOWNCHAR unsharp("#9/postscript/prologues/pjw.char.ps") + +char *optnames = "a:c:f:l:m:n:o:p:s:t:x:y:P:"; + +Biobuf *bstdin, *bstdout, *bstderr; +Biobuf *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, *Bfile; + int n; + static char buf[Bsize]; + + bstdin = Bopen(filename, 0); + if (bstdin == 0) { + return(1); + } + Bstdin = bstdin; + if ((bfile = Bopen(filename, OREAD)) == 0) { + return(1); + } + Bfile = bfile; + 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(unsharp("#9/postscript/prologues/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); + +} + +main(int argc, char *argv[]) { + int i; + char *t; + Biobuf *input; + + if ((bstderr = (Biobuf *)malloc(sizeof(Biobuf))) < (Biobuf *)0) + exits("malloc"); + if (Binit(bstderr, 2, OWRITE) == Beof) + exits("Binit"); + Bstderr = bstderr; + + if ((bstdout = (Biobuf *)malloc(sizeof(Biobuf))) < (Biobuf *)0) + exits("malloc"); + if (Binit(bstdout, 1, OWRITE) == Beof) + exits("Binit"); + Bstdout = bstdout; + + 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))) < (Biobuf *)0) + exits("malloc"); + if (Binit(bstdin, 0, OREAD) == Beof) { + fprint(2, "cannot Binit stdin\n"); + exits("Binit"); + } + Bstdin = bstdin; + 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; + txt2post(); + } + finish(); + exits(""); +} |