common.c (6748B)
1 #include <u.h> 2 #include <libc.h> 3 #include <bio.h> 4 #include <ctype.h> 5 #include "common.h" 6 #include "comments.h" 7 #include "path.h" 8 9 struct strtab charcode[FONTSIZE] = { 10 {4, "\\000"}, {4, "\\001"}, {4, "\\002"}, {4, "\\003"}, 11 {4, "\\004"}, {4, "\\005"}, {4, "\\006"}, {4, "\\007"}, 12 {4, "\\010"}, {4, "\\011"}, {4, "\\012"}, {4, "\\013"}, 13 {4, "\\014"}, {4, "\\015"}, {4, "\\016"}, {4, "\\017"}, 14 {4, "\\020"}, {4, "\\021"}, {4, "\\022"}, {4, "\\023"}, 15 {4, "\\024"}, {4, "\\025"}, {4, "\\026"}, {4, "\\027"}, 16 {4, "\\030"}, {4, "\\031"}, {4, "\\032"}, {4, "\\033"}, 17 {4, "\\034"}, {4, "\\035"}, {4, "\\036"}, {4, "\\037"}, 18 {1, " "}, {1, "!"}, {1, "\""}, {1, "#"}, 19 {1, "$"}, {1, "%"}, {1, "&"}, {1, "'"}, 20 {2, "\\("}, {2, "\\)"}, {1, "*"}, {1, "+"}, 21 {1, ","}, {1, "-"}, {1, "."}, {1, "/"}, 22 {1, "0"}, {1, "1"}, {1, "2"}, {1, "3"}, 23 {1, "4"}, {1, "5"}, {1, "6"}, {1, "7"}, 24 {1, "8"}, {1, "9"}, {1, ":"}, {1, ";"}, 25 {1, "<"}, {1, "="}, {1, ">"}, {1, "?"}, 26 {1, "@"}, {1, "A"}, {1, "B"}, {1, "C"}, 27 {1, "D"}, {1, "E"}, {1, "F"}, {1, "G"}, 28 {1, "H"}, {1, "I"}, {1, "J"}, {1, "K"}, 29 {1, "L"}, {1, "M"}, {1, "N"}, {1, "O"}, 30 {1, "P"}, {1, "Q"}, {1, "R"}, {1, "S"}, 31 {1, "T"}, {1, "U"}, {1, "V"}, {1, "W"}, 32 {1, "X"}, {1, "Y"}, {1, "Z"}, {1, "["}, 33 {2, "\\\\"}, {1, "]"}, {1, "^"}, {1, "_"}, 34 {1, "`"}, {1, "a"}, {1, "b"}, {1, "c"}, 35 {1, "d"}, {1, "e"}, {1, "f"}, {1, "g"}, 36 {1, "h"}, {1, "i"}, {1, "j"}, {1, "k"}, 37 {1, "l"}, {1, "m"}, {1, "n"}, {1, "o"}, 38 {1, "p"}, {1, "q"}, {1, "r"}, {1, "s"}, 39 {1, "t"}, {1, "u"}, {1, "v"}, {1, "w"}, 40 {1, "x"}, {1, "y"}, {1, "z"}, {1, "{"}, 41 {1, "|"}, {1, "}"}, {1, "~"}, {4, "\\177"}, 42 {4, "\\200"}, {4, "\\201"}, {4, "\\202"}, {4, "\\203"}, 43 {4, "\\204"}, {4, "\\205"}, {4, "\\206"}, {4, "\\207"}, 44 {4, "\\210"}, {4, "\\211"}, {4, "\\212"}, {4, "\\213"}, 45 {4, "\\214"}, {4, "\\215"}, {4, "\\216"}, {4, "\\217"}, 46 {4, "\\220"}, {4, "\\221"}, {4, "\\222"}, {4, "\\223"}, 47 {4, "\\224"}, {4, "\\225"}, {4, "\\226"}, {4, "\\227"}, 48 {4, "\\230"}, {4, "\\231"}, {4, "\\232"}, {4, "\\233"}, 49 {4, "\\234"}, {4, "\\235"}, {4, "\\236"}, {4, "\\237"}, 50 {4, "\\240"}, {4, "\\241"}, {4, "\\242"}, {4, "\\243"}, 51 {4, "\\244"}, {4, "\\245"}, {4, "\\246"}, {4, "\\247"}, 52 {4, "\\250"}, {4, "\\251"}, {4, "\\252"}, {4, "\\253"}, 53 {4, "\\254"}, {4, "\\255"}, {4, "\\256"}, {4, "\\257"}, 54 {4, "\\260"}, {4, "\\261"}, {4, "\\262"}, {4, "\\263"}, 55 {4, "\\264"}, {4, "\\265"}, {4, "\\266"}, {4, "\\267"}, 56 {4, "\\270"}, {4, "\\271"}, {4, "\\272"}, {4, "\\273"}, 57 {4, "\\274"}, {4, "\\275"}, {4, "\\276"}, {4, "\\277"}, 58 {4, "\\300"}, {4, "\\301"}, {4, "\\302"}, {4, "\\303"}, 59 {4, "\\304"}, {4, "\\305"}, {4, "\\306"}, {4, "\\307"}, 60 {4, "\\310"}, {4, "\\311"}, {4, "\\312"}, {4, "\\313"}, 61 {4, "\\314"}, {4, "\\315"}, {4, "\\316"}, {4, "\\317"}, 62 {4, "\\320"}, {4, "\\321"}, {4, "\\322"}, {4, "\\323"}, 63 {4, "\\324"}, {4, "\\325"}, {4, "\\326"}, {4, "\\327"}, 64 {4, "\\330"}, {4, "\\331"}, {4, "\\332"}, {4, "\\333"}, 65 {4, "\\334"}, {4, "\\335"}, {4, "\\336"}, {4, "\\337"}, 66 {4, "\\340"}, {4, "\\341"}, {4, "\\342"}, {4, "\\343"}, 67 {4, "\\344"}, {4, "\\345"}, {4, "\\346"}, {4, "\\347"}, 68 {4, "\\350"}, {4, "\\351"}, {4, "\\352"}, {4, "\\353"}, 69 {4, "\\354"}, {4, "\\355"}, {4, "\\356"}, {4, "\\357"}, 70 {4, "\\360"}, {4, "\\361"}, {4, "\\362"}, {4, "\\363"}, 71 {4, "\\364"}, {4, "\\365"}, {4, "\\366"}, {4, "\\367"}, 72 {4, "\\370"}, {4, "\\371"}, {4, "\\372"}, {4, "\\373"}, 73 {4, "\\374"}, {4, "\\375"}, {4, "\\376"}, {4, "\\377"} 74 }; 75 76 static BOOLEAN in_string = FALSE; 77 int char_no = 0; 78 int line_no = 0; 79 int page_no = 0; /* page number in a document */ 80 int pages_printed = 0; 81 static int pplistmaxsize=0; 82 83 static unsigned char *pplist=0; /* bitmap list for storing pages to print */ 84 85 void 86 pagelist(char *list) { 87 char c; 88 int n, m; 89 int state, start; 90 91 if (list == 0) return; 92 state = 1; 93 start = 0; 94 while ((c=*list) != '\0') { 95 n = 0; 96 while (isdigit((uchar)c)) { 97 n = n * 10 + c - '0'; 98 c = *++list; 99 } 100 switch (state) { 101 case 1: 102 start = n; 103 case 2: 104 if (n/8+1 > pplistmaxsize) { 105 pplistmaxsize = n/8+1; 106 pplist = galloc(pplist, n/8+1, "page list"); 107 } 108 for (m=start; m<=n; m++) 109 pplist[m/8] |= 1<<(m%8); 110 break; 111 } 112 switch (c) { 113 case '-': 114 state = 2; 115 list++; 116 break; 117 case ',': 118 state = 1; 119 list++; 120 break; 121 case '\0': 122 break; 123 } 124 } 125 } 126 127 BOOLEAN 128 pageon(void) { 129 extern BOOLEAN debug; 130 static BOOLEAN privdebug = FALSE; 131 132 if (pplist == 0 && page_no != 0) { 133 if (privdebug && !debug) { 134 privdebug = FALSE; 135 debug = TRUE; 136 } 137 return(TRUE); /* no page list, print all pages */ 138 } 139 if (page_no/8 < pplistmaxsize && (pplist[page_no/8] & 1<<(page_no%8))) { 140 if (privdebug && !debug) { 141 privdebug = FALSE; 142 debug = TRUE; 143 } 144 return(TRUE); 145 } else { 146 if (!privdebug && debug) { 147 privdebug = TRUE; 148 debug = FALSE; 149 } 150 return(FALSE); 151 } 152 } 153 154 static int stringhpos, stringvpos; 155 156 void 157 startstring(void) { 158 if (!in_string) { 159 stringhpos = hpos; 160 stringvpos = vpos; 161 if (pageon()) Bprint(Bstdout, "("); 162 in_string = 1; 163 } 164 } 165 166 void 167 endstring(void) { 168 if (in_string) { 169 if (pageon()) Bprint(Bstdout, ") %d %d w\n", stringhpos, stringvpos); 170 in_string = 0; 171 } 172 } 173 174 BOOLEAN 175 isinstring(void) { 176 return(in_string); 177 } 178 179 void 180 startpage(void) { 181 ++char_no; 182 ++line_no; 183 ++page_no; 184 if (pageon()) { 185 ++pages_printed; 186 Bprint(Bstdout, "%s %d %d\n", PAGE, page_no, pages_printed); 187 Bprint(Bstdout, "/saveobj save def\n"); 188 Bprint(Bstdout, "mark\n"); 189 Bprint(Bstdout, "%d pagesetup\n", pages_printed); 190 } 191 } 192 193 void 194 endpage(void) { 195 endstring(); 196 curpostfontid = -1; 197 line_no = 0; 198 char_no = 0; 199 if (pageon()) { 200 Bprint(Bstdout, "cleartomark\n"); 201 Bprint(Bstdout, "showpage\n"); 202 Bprint(Bstdout, "saveobj restore\n"); 203 Bprint(Bstdout, "%s %d %d\n", ENDPAGE, page_no, pages_printed); 204 } 205 } 206 207 /* This was taken from postprint */ 208 209 int 210 cat(char *filename) { 211 Biobuf *bfile; 212 Biobuf *Bfile; 213 int n; 214 static char buf[Bsize]; 215 216 if ((bfile = Bopen(filename, OREAD)) == 0) { 217 return(1); 218 } 219 Bfile = bfile; /* &(bfile->Biobufhdr); */ 220 while ((n=Bread(Bfile, buf, Bsize)) > 0) { 221 if (Bwrite(Bstdout, buf, n) != n) 222 break; 223 } 224 Bterm(Bfile); 225 if (n != 0) { 226 return(1); 227 } 228 return(0); 229 } 230 extern int debug; 231 void * 232 galloc(void *ptr, int size, char *perstr) { 233 void *x; 234 235 if ((x=realloc(ptr, size)) == 0) { 236 perror(perstr); 237 exits("malloc"); 238 } 239 return(x); 240 } 241 242 static char *errorstrings[] = { 243 "", /* NONE */ 244 "WARNING", 245 "FATAL" 246 }; 247 248 char *programname; 249 char *inputfilename = "<stdin>"; 250 int inputlineno; 251 252 void 253 error(int errtype, char *fmt, ...) { 254 va_list arg; 255 256 Bflush(Bstdout); 257 Bflush(Bstderr); 258 fprint(2, "%s: %s:%d :%s: ", programname, inputfilename, inputlineno, errorstrings[errtype]); 259 va_start(arg, fmt); 260 vfprint(2, fmt, arg); 261 va_end(arg); 262 if (errtype == FATAL) 263 exits("fatal error"); 264 }