BSD 4_3 development

Work on file usr/contrib/dipress/src/bin/dipress/main.c

Synthesized-from: CSRG/cd1/4.3

diff --git a/usr/contrib/dipress/src/bin/dipress/main.c b/usr/contrib/dipress/src/bin/dipress/main.c
new file mode 100644 (file)
index 0000000..8c756cb
--- /dev/null
+++ b/usr/contrib/dipress/src/bin/dipress/main.c
@@ -0,0 +1,156 @@
+/******************************************************************************
+ *
+ *     main    --      main routine for dipress 
+ *                     (ditroff to interpress conversion)
+ *
+ *     John Mellor-Crummey (Xerox Corp)
+ *
+ *     Copyright 1985 Xerox Corporation
+ *
+ *****************************************************************************/
+
+#include <stdio.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <strings.h>
+
+#include "defs.h"      /* constant and macro definitions */
+#include "externs.h"   /* declarations for global variables */
+
+
+/*-----------------------------------------------------------------------------
+ *
+ *     main processes the list of command line options and opens the 
+ *     necessary temporary files
+ *
+ *---------------------------------------------------------------------------*/
+main(argc, argv)
+int argc;
+char **argv;
+{
+       FILE *inputfile;
+
+       /* set up signal handlers to insure clean termination */
+       signalHandler();        
+
+       /* process command line options */
+
+       while ((--argc > 0) && (**++argv == '-'))
+       {
+               switch (*++*argv) 
+               {
+               case 'd':               
+                       /* produce debugging info */
+                       dbg = atoi(++*argv);
+                       if (dbg == 0) dbg = 1;
+                       setbuf(stdout, (char *)NULL);
+                       printf("debugging level %d\n", dbg);
+                       break;
+               case 'f':
+               case 'F':
+                       /* reset default font directory 
+                        * accept either form '-f <dir>' or '-f<dir>'
+                        */
+                       if (*(*argv+1) == '\0')
+                       {
+                               fontdirectory = *++argv;
+                               --argc;
+                       }
+                       else
+                               fontdirectory = ++*argv;
+                       break;
+               case 'o':               
+                       /* read the following list of page numbers */
+                       readPageList(++*argv);
+                       break;
+               case 't':               
+                       /* dump the interpress to the standard output */
+                       outputfile = fileno(stdout);
+                       break;
+               default:
+                       reportError(CONTINUE,"option -%c not recognized\n", (char *) **argv);
+                       break;
+               }
+       }
+
+       /* construct name for temporary files */
+       (void) sprintf(tempfilename, "/tmp/dip%d", getpid());
+
+       if (outputfile != fileno(stdout))
+       {
+               /* open file to hold master */
+               if ((outputfile=open(tempfilename, O_WRONLY | O_TRUNC | O_CREAT, 0666)) == -1)
+                       reportError(QUIT, "temporary file %s: %s",
+                       tempfilename, sys_errlist[errno]);
+               ip_select(outputfile);
+       }
+
+       /* open file to hold body */
+       (void) strcat(tempfilename, "b");
+
+       if ((pagebodyfile = open(tempfilename, O_WRONLY | O_TRUNC | O_CREAT, 0666)) == -1)
+               reportError(QUIT, "temporary file %s: %s",
+               tempfilename, sys_errlist[errno]);
+
+       ip_raw_select(pagebodyfile);
+
+
+
+       if (argc <= 0)  /* if no file specified, default to stdin */
+               ditroffToIpress(stdin);
+       else
+               /* process files explicitly specified */
+               while (argc-- > 0)
+               {
+                       if ((inputfile = fopen(*argv++, "r")) == NULL)
+                               reportError(QUIT, "can't open %s: %s",
+                                       *argv, sys_errlist[errno]);
+                       ditroffToIpress(inputfile);
+                       (void) fclose(inputfile);
+               }
+       goodbye();
+}
+
+
+/*-----------------------------------------------------------------------------
+ * readPageList        --      read a list of page specifications of the form
+ *                     p1 or p1-p2 separated by commas. if in the dash form
+ *                     either p1 or p2 is omitted, it will appropriately 
+ *                     default to the first of last page of the document
+ *---------------------------------------------------------------------------*/
+readPageList(ptr)
+char *ptr;
+{
+       while(*ptr != '\0')
+       {
+               pagerange[nPageRanges][0] = 
+                       ((isdigit(*ptr)) ? readPageNumber(&ptr): DEFAULTRANGEBOT);
+               pagerange[nPageRanges][1] = 
+                       ((*ptr != '-') ? pagerange[nPageRanges][0] : 
+                                       ((isdigit(*++ptr)) ? readPageNumber(&ptr) : 
+                                                        DEFAULTRANGETOP));
+               nPageRanges++;
+               if (*ptr != '\0') ptr++;
+       }
+}
+
+
+/*-----------------------------------------------------------------------------
+ * readPageNumber      --      read a page number from a string and update the
+ *                             pointer to the next non-digit
+ *---------------------------------------------------------------------------*/
+readPageNumber(ptr)
+char **ptr;
+{
+       int pagenumber = 0;
+
+       while(isdigit(**ptr))
+       {
+               pagenumber = pagenumber * 10 + **ptr - '0';
+               ++*ptr;
+       }
+       return(pagenumber);
+}
+