1 /* 2 * 3 * Things used to handle special requests (eg. manual feed) globally or on a per 4 * page basis. Requests are passed through to the translator using the -R option. 5 * The argument to -R can be "request", "request:page", or "request:page:file". 6 * If page is omitted (as in the first form) or set to 0 request will be applied 7 * to the global environment. In all other cases it applies only to the selected 8 * page. If a file is given, page must be supplied, and the lookup is in that file 9 * rather than *requestfile. 10 * 11 */ 12 13 #include <stdio.h> 14 15 #include "gen.h" /* general purpose definitions */ 16 #include "request.h" /* a few special definitions */ 17 #include "path.h" /* for the default request file */ 18 19 Request request[MAXREQUEST]; /* next page or global request */ 20 int nextreq = 0; /* goes in request[nextreq] */ 21 char *requestfile = REQUESTFILE; /* default lookup file */ 22 23 /*****************************************************************************/ 24 25 saverequest(want) 26 27 char *want; /* grab code for this stuff */ 28 29 { 30 31 char *page; /* and save it for this page */ 32 char *strtok(); 33 34 /* 35 * 36 * Save the request until we get to appropriate page - don't even bother with 37 * the lookup right now. Format of *want string is "request", "request:page", or 38 * "request:page:file", and we assume we can change the string here as needed. 39 * If page is omitted or given as 0 the request will be done globally. If *want 40 * includes a file, request and page must also be given, and in that case *file 41 * will be used for the lookup. 42 * 43 */ 44 45 if ( nextreq < MAXREQUEST ) { 46 request[nextreq].want = strtok(want, ": "); 47 if ( (page = strtok(NULL, ": ")) == NULL ) 48 request[nextreq].page = 0; 49 else request[nextreq].page = atoi(page); 50 if ( (request[nextreq].file = strtok(NULL, ": ")) == NULL ) 51 request[nextreq].file = requestfile; 52 nextreq++; 53 } else error(NON_FATAL, "too many requests - ignoring %s", want); 54 55 } /* End of saverequest */ 56 57 /*****************************************************************************/ 58 59 writerequest(page, fp_out) 60 61 int page; /* write everything for this page */ 62 FILE *fp_out; /* to this file */ 63 64 { 65 66 int i; /* loop index */ 67 68 /* 69 * 70 * Writes out all the requests that have been saved for page. Page 0 refers to 71 * the global environment and is done during initial setup. 72 * 73 */ 74 75 for ( i = 0; i < nextreq; i++ ) 76 if ( request[i].page == page ) 77 dumprequest(request[i].want, request[i].file, fp_out); 78 79 } /* End of writerequest */ 80 81 /*****************************************************************************/ 82 83 dumprequest(want, file, fp_out) 84 85 char *want; /* look for this string */ 86 char *file; /* in this file */ 87 FILE *fp_out; /* and write the value out here */ 88 89 { 90 91 char buf[100]; /* line buffer for reading *file */ 92 FILE *fp_in; 93 94 /* 95 * 96 * Looks for *want in the request file and if it's found the associated value 97 * is copied to the output file. Keywords (ie. the *want strings) begin an @ in 98 * the first column of file, while the values (ie. the stuff that's copied to 99 * the output file) starts on the next line and extends to the next keyword or 100 * to the end of file. 101 * 102 */ 103 104 if ( (fp_in = fopen(file, "r")) != NULL ) { 105 while ( fgets(buf, sizeof(buf), fp_in) != NULL ) 106 if ( buf[0] == '@' && strncmp(want, &buf[1], strlen(want)) == 0 ) 107 while ( fgets(buf, sizeof(buf), fp_in) != NULL ) 108 if ( buf[0] == '#' || buf[0] == '%' ) 109 continue; 110 else if ( buf[0] != '@' ) 111 fprintf(fp_out, "%s", buf); 112 else break; 113 fclose(fp_in); 114 } /* End if */ 115 116 } /* End of dumprequest */ 117 118 /*****************************************************************************/ 119 120