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- /*
- *
- * Things used to handle special requests (eg. manual feed) globally or on a per
- * page basis. Requests are passed through to the translator using the -R option.
- * The argument to -R can be "request", "request:page", or "request:page:file".
- * If page is omitted (as in the first form) or set to 0 request will be applied
- * to the global environment. In all other cases it applies only to the selected
- * page. If a file is given, page must be supplied, and the lookup is in that file
- * rather than *requestfile.
- *
- */
- #include <stdio.h>
- #include "gen.h" /* general purpose definitions */
- #include "request.h" /* a few special definitions */
- #include "path.h" /* for the default request file */
- Request request[MAXREQUEST]; /* next page or global request */
- int nextreq = 0; /* goes in request[nextreq] */
- char *requestfile = REQUESTFILE; /* default lookup file */
- /*****************************************************************************/
- saverequest(want)
- char *want; /* grab code for this stuff */
- {
- char *page; /* and save it for this page */
- char *strtok();
- /*
- *
- * Save the request until we get to appropriate page - don't even bother with
- * the lookup right now. Format of *want string is "request", "request:page", or
- * "request:page:file", and we assume we can change the string here as needed.
- * If page is omitted or given as 0 the request will be done globally. If *want
- * includes a file, request and page must also be given, and in that case *file
- * will be used for the lookup.
- *
- */
- if ( nextreq < MAXREQUEST ) {
- request[nextreq].want = strtok(want, ": ");
- if ( (page = strtok(NULL, ": ")) == NULL )
- request[nextreq].page = 0;
- else request[nextreq].page = atoi(page);
- if ( (request[nextreq].file = strtok(NULL, ": ")) == NULL )
- request[nextreq].file = requestfile;
- nextreq++;
- } else error(NON_FATAL, "too many requests - ignoring %s", want);
- } /* End of saverequest */
- /*****************************************************************************/
- writerequest(page, fp_out)
- int page; /* write everything for this page */
- FILE *fp_out; /* to this file */
- {
- int i; /* loop index */
- /*
- *
- * Writes out all the requests that have been saved for page. Page 0 refers to
- * the global environment and is done during initial setup.
- *
- */
- for ( i = 0; i < nextreq; i++ )
- if ( request[i].page == page )
- dumprequest(request[i].want, request[i].file, fp_out);
- } /* End of writerequest */
- /*****************************************************************************/
- dumprequest(want, file, fp_out)
- char *want; /* look for this string */
- char *file; /* in this file */
- FILE *fp_out; /* and write the value out here */
- {
- char buf[100]; /* line buffer for reading *file */
- FILE *fp_in;
- /*
- *
- * Looks for *want in the request file and if it's found the associated value
- * is copied to the output file. Keywords (ie. the *want strings) begin an @ in
- * the first column of file, while the values (ie. the stuff that's copied to
- * the output file) starts on the next line and extends to the next keyword or
- * to the end of file.
- *
- */
- if ( (fp_in = fopen(file, "r")) != NULL ) {
- while ( fgets(buf, sizeof(buf), fp_in) != NULL )
- if ( buf[0] == '@' && strncmp(want, &buf[1], strlen(want)) == 0 )
- while ( fgets(buf, sizeof(buf), fp_in) != NULL )
- if ( buf[0] == '#' || buf[0] == '%' )
- continue;
- else if ( buf[0] != '@' )
- fprintf(fp_out, "%s", buf);
- else break;
- fclose(fp_in);
- } /* End if */
- } /* End of dumprequest */
- /*****************************************************************************/
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