+#ifndef lint
+static char *rcsid = "$Header: get_type.c,v 1.2 87/04/01 10:09:16 ed Exp $";
+#endif lint
+
+/*
+ * Copyright (c) 1986, 1987 Xerox Corporation.
+ */
+
+/* $Log: get_type.c,v $
+ * Revision 1.2 87/04/01 10:09:16 ed
+ * Lots of new Viewpoint related types and how to recognize them.
+ *
+ * Revision 1.1 87/01/14 11:26:06 ed
+ * Initial revision
+ *
+ *
+ */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <netns/ns.h>
+#include <netns/sp.h>
+#include <xnscourier/filetypes.h>
+#include <xnscourier/courier.h>
+
+#define CHARS_TO_READ 2048
+
+/*
+ * routine:
+ * get_type
+ * input:
+ * pointer to pathname of file
+ * read first CHARS_TO_READ
+ * if it contains "RasterEncoding/", assume RES (return TYPE_VPCanvas)
+ * if it contains "Interpress/Xerox/", assume IP (return TYPE_Interpress)
+ * if a char is 0 or high order bit set, assume binary (return tUNSPECIFIED)
+ * else assume text (tText)
+ * (Note order of RES/IP checking is important since RES files contain
+ * IP string also)
+ *
+ * returns:
+ * LongCardinal containing filing defined file type
+ */
+
+LongCardinal get_type(pathname)
+char *pathname;
+{
+ FILE *file_desc;
+ char buffer[CHARS_TO_READ];
+ int count;
+ char *ptr, *rindex();
+ LongCardinal type, GetTypeAttribute();
+ Boolean is_type();
+ struct stat fs;
+
+ if ( stat(pathname, &fs) == -1 )
+ return(TYPE_I); /* if error, assume tUnspecified */
+
+ /*
+ * if not a regular file look for directory...
+ * if a directory and in root, then assume file drawer
+ */
+
+ if ( (fs.st_mode & S_IFMT) != S_IFREG ) {
+ if ( (fs.st_mode & S_IFDIR) != 0 ) {
+ if ( rindex(pathname, '/') == pathname )
+ return(TYPE_VPDrawer);
+ else
+ return(TYPE_Directory);
+ } else
+ return(TYPE_I);
+ }
+
+ if ( (file_desc= fopen(pathname, "r")) == NULL )
+ return(TYPE_I); /* if error, assume tUnspecified */
+
+ if ( (count= fread(buffer,sizeof(char),CHARS_TO_READ,file_desc)) == 0 )
+ type= TYPE_I; /* if error, assume tUnspecified */
+ else {
+ if ( is_type(buffer, RESHDR) == TRUE ) {
+ type= TYPE_VPCanvas;
+ } else if ( is_type(buffer, INTERPRESSHDR) == TRUE ) {
+ type= TYPE_Interpress;
+ } else if ( is_type(buffer, VPHDR) == TRUE ) {
+ type= GetTypeAttribute(file_desc);
+ } else {
+ type= TYPE_A; /* assume tAsciiText */
+ for ( ptr= buffer; ptr < buffer + count - 1; ) { /* for each character */
+ if ( (*ptr == 0) || (*ptr++ & 0200) ) { /* if 0 or high order bit */
+ type= TYPE_I; /* assume tUnspecified */
+ break;
+ }
+ }
+ }
+ }
+
+ fclose(file_desc); /* close file */
+ return(type);
+}
+
+
+Boolean is_type(string1, string2)
+char *string1, *string2;
+
+{
+ char string[128]; /* 128 should be enough for all cases */
+ char *ptr;
+ int i, len;
+
+ bcopy(string1, string, 128);
+
+ lowercasen(string,128);
+
+ len= strlen(string2);
+
+ /* if we don't get a match in the first 50 characters, chances are
+ * it's not Interpress or RES
+ */
+ for ( ptr= string, i= 0; i < 50; ptr++, i++ ) {
+ if ( bcmp(string2, ptr, len) == 0 )
+ return(TRUE);
+ }
+
+ return(FALSE);
+}
+
+char *typetostring(type)
+LongCardinal type;
+
+{
+ static char string[80];
+
+ switch ( type ) {
+ case TYPE_A :
+ return("text");
+ case TYPE_I :
+ return("binary");
+ case TYPE_Directory :
+ return("directory");
+ case TYPE_VP :
+ return("VP doc");
+ case TYPE_Interpress :
+ return("Interpress");
+ case TYPE_VPCanvas :
+ return("VP Canvas");
+ case TYPE_VPDictionary :
+ return("VP Dictionary");
+ case TYPE_VPMailNote :
+ return("VP MailNote");
+ case TYPE_VPReference :
+ return("VP Reference");
+ case TYPE_S :
+ return("serialized");
+ case TYPE_VPDrawer :
+ return("VP file drawer");
+ case TYPE_VPApplication :
+ return("VP application");
+ case TYPE_VPApplication2 :
+ return("VP application");
+ case TYPE_VPSpreadsheet :
+ return("VP spreadsheet");
+ case TYPE_VPBook :
+ return("VP Book");
+ case TYPE_VPRecordsfile :
+ return("VP RecordFile");
+ case TYPE_VPCalendar :
+ return("VP Calendar");
+ case TYPE_VPIcons :
+ return("VP Icons");
+ case TYPE_Font :
+ return("Printer Font");
+ case TYPE_860 :
+ return("860 doc");
+ default :
+ sprintf(string,"%d", type);
+ return(string);
+ }
+}
+
+LongCardinal stringtotype(string)
+char *string;
+
+{
+ if ( *string == '\0' )
+ return(TYPE_VPMailNote);
+
+ lowercase(string);
+
+ if ( strcmp(string, "text") == 0 )
+ return (TYPE_A);
+ if ( strcmp(string, "binary") == 0 )
+ return (TYPE_I);
+ if ( strcmp(string, "directory") == 0 )
+ return (TYPE_Directory);
+ if ( strcmp(string, "vp doc") == 0 )
+ return (TYPE_VP);
+ if ( strcmp(string, "interpress") == 0 )
+ return (TYPE_Interpress);
+ if ( strcmp(string, "vp canvas") == 0 )
+ return (TYPE_VPCanvas);
+ if ( strcmp(string, "vp dictionary") == 0 )
+ return (TYPE_VPDictionary);
+ if ( strcmp(string, "vp mailnote") == 0 )
+ return (TYPE_VPMailNote);
+ if ( strcmp(string, "vp reference") == 0 )
+ return (TYPE_VPReference);
+ if ( strcmp(string, "serialized") == 0 )
+ return (TYPE_S);
+ if ( strcmp(string, "vp filedrawer") == 0 )
+ return (TYPE_VPDrawer);
+ if ( strcmp(string, "vp application") == 0 )
+ return (TYPE_VPApplication);
+ if ( strcmp(string, "vp spreadsheet") == 0 )
+ return (TYPE_VPSpreadsheet);
+ if ( strcmp(string, "vp book") == 0 )
+ return (TYPE_VPBook);
+ if ( strcmp(string, "vp recordfile") == 0 )
+ return (TYPE_VPRecordsfile);
+ if ( strcmp(string, "vp calendar") == 0 )
+ return (TYPE_VPCalendar);
+ if ( strcmp(string, "vp icons") == 0 )
+ return (TYPE_VPIcons);
+ if ( strcmp(string, "printerfont") == 0 )
+ return (TYPE_Font);
+ if ( strcmp(string, "860 doc") == 0 )
+ return (TYPE_860);
+ return(atoi(string));
+}
+
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