Add simple code to scan an eclipse deck and write keywords to screen.

scaneclipsedeck.c

@@ -0,0 +1,132 @@
+/* scaneclipsedec finds technically valid Eclipse keywords in an ascii file.
+ * Copyright (c) 2010 Jostein R. Natvig <jostein.natvig@gmail.com>
+ *
+ * The MIT License
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+
+
+
+char* 
+read_keyword(FILE *fp, char *buf)
+{
+    int i, j, c;
+    
+    /* Clear buf */
+    for (i=0; i<9; ++i) {
+        buf[i] = '\0';
+    }
+
+    /* Read first character and check if it is uppercase*/
+    buf[0] = fgetc(fp);
+    if ( !isupper( buf[0] ) ) {        
+        return NULL;          /* NOT VALID CHARACTER */
+        ungetc(buf[0], fp);
+    }
+    
+    
+    /* Scan as much as possible possible keyword, 8 characters long */
+    i = 1;
+    while ( (c = fgetc(fp)) && 
+            (c != EOF     ) &&  
+            (c != '\n'    ) && 
+            (c != '/'     ) && 
+            (i < 8        )) {
+        buf[i++] = c;
+    }
+
+    /* Skip rest of line */
+    if (c != '\n'){
+        while ( (c = fgetc(fp)) && 
+                (c != EOF     ) &&  
+                (c != '\n'    )) {
+            ;
+        }
+    }
+
+    if(c == '\n') {
+        ungetc(c, fp);
+    }
+    
+    /* Find first non-uppercase or non-digit character */ 
+    for (i=0; i<8; ++i) {
+        if ( !(isupper(buf[i]) || isdigit(buf[i])) ) {                    
+            break;
+        }
+    }
+    
+    /* Check if remaining characters are blank */
+    for (j = i; j<8; ++j) {
+        if(!isspace(buf[j]) && buf[j] != '\0') {
+            return NULL; /* CHARACTER AFTER SPACE OR INVALID CHARACTER */
+        }
+        buf[j] = '\0';
+    }
+    return buf;
+}
+
+
+int main(int argc, char *argv[])
+{
+    FILE         *fp;
+    char buf[10];
+    
+    if (argc != 2)
+    {
+        fprintf(stderr, "Usage: <app> filename.grdecl\n");
+        exit(EXIT_FAILURE);
+    }
+    fp = fopen(argv[1], "ra");
+    if (fp == NULL)
+    {
+        fprintf(stderr, "No such file...\n");
+        exit(EXIT_FAILURE);
+    }
+
+    int c, lineno = 0, nkw = 0;
+    
+    if (read_keyword(fp, buf) != NULL) {
+        ++nkw;
+        fprintf(stderr, "%s\n", buf);
+    }
+                
+
+
+    while ((c = getc(fp)) != EOF) {    /* Eat large chunks */
+        if ( c == '\n') {
+            ++lineno;
+        
+            if (read_keyword(fp, buf) != NULL) {
+                fprintf(stderr, "%s\n", buf);
+                ++nkw;
+            }
+        }
+    }
+    
+    fprintf(stderr, "Scanned %d lines, found %d keywords.\n", lineno, nkw);
+
+}
+/* Local Variables:    */
+/* c-basic-offset:4    */
+/* End:                */