Minor changes.

[egate.git] / ccl / ccltoken.c

diff --git a/ccl/ccltoken.c b/ccl/ccltoken.c
index 51cdf0e..a7c3896 100644 (file)
--- a/ccl/ccltoken.c
+++ b/ccl/ccltoken.c
@@ -1,8 +1,58 @@
+/*
+ * Copyright (c) 1995, the EUROPAGATE consortium (see below).
+ *
+ * The EUROPAGATE consortium members are:
+ *
+ *    University College Dublin
+ *    Danmarks Teknologiske Videnscenter
+ *    An Chomhairle Leabharlanna
+ *    Consejo Superior de Investigaciones Cientificas
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation, in whole or in part, for any purpose, is hereby granted,
+ * provided that:
+ *
+ * 1. This copyright and permission notice appear in all copies of the
+ * software and its documentation. Notices of copyright or attribution
+ * which appear at the beginning of any file must remain unchanged.
+ *
+ * 2. The names of EUROPAGATE or the project partners may not be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * 3. Users of this software (implementors and gateway operators) agree to
+ * inform the EUROPAGATE consortium of their use of the software. This
+ * information will be used to evaluate the EUROPAGATE project and the
+ * software, and to plan further developments. The consortium may use
+ * the information in later publications.
+ * 
+ * 4. Users of this software agree to make their best efforts, when
+ * documenting their use of the software, to acknowledge the EUROPAGATE
+ * consortium, and the role played by the software in their work.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE
+ * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF
+ * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
+ * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND
+ * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
+ * USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
 /* CCL - lexical analysis
  * Europagate, 1995
  *
  * $Log: ccltoken.c,v $
- * Revision 1.8  1995/05/11 14:03:57  adam
+ * Revision 1.10  1995/07/11 12:28:31  adam
+ * New function: ccl_token_simple (split into simple tokens) and
+ *  ccl_token_del (delete tokens).
+ *
+ * Revision 1.9  1995/05/16  09:39:28  adam
+ * LICENSE.
+ *
+ * Revision 1.8  1995/05/11  14:03:57  adam
  * Changes in the reading of qualifier(s). New function: ccl_qual_fitem.
  * New variable ccl_case_sensitive, which controls whether reserved
  * words and field names are case sensitive or not.
@@ -79,6 +129,67 @@ static int token_cmp (const char *kw, struct ccl_token *token)
 }
 
 /*
+ * ccl_token_simple: tokenize CCL raw tokens
+ */
+struct ccl_token *ccl_token_simple (const char *command)
+{
+    const char *cp = command;
+    struct ccl_token *first = NULL;
+    struct ccl_token *last = NULL;
+
+    while (1)
+    {
+       while (*cp && strchr (" \t\r\n", *cp))
+       {
+           cp++;
+           continue;
+       }
+       if (!first)
+       {
+           first = last = malloc (sizeof (*first));
+           assert (first);
+           last->prev = NULL;
+       }
+       else
+       {
+           last->next = malloc (sizeof(*first));
+           assert (last->next);
+           last->next->prev = last;
+           last = last->next;
+       }
+       last->next = NULL;
+       last->name = cp;
+       last->len = 1;
+       switch (*cp++)
+       {
+        case '\0':
+            last->kind = CCL_TOK_EOL;
+            return first;
+       case '\"':
+           last->kind = CCL_TOK_TERM;
+           last->name = cp;
+           last->len = 0;
+           while (*cp && *cp != '\"')
+           {
+               cp++;
+               ++ last->len;
+           }
+           if (*cp == '\"')
+               cp++;
+           break;
+       default:
+           while (*cp && !strchr (" \t\n\r", *cp))
+           {
+               cp++;
+               ++ last->len;
+           }
+            last->kind = CCL_TOK_TERM;
+       }
+    }
+    return first;
+}
+
+/*
  * ccl_tokenize: tokenize CCL command string.
  * return: CCL token list.
  */
@@ -183,3 +294,18 @@ struct ccl_token *ccl_tokenize (const char *command)
     }
     return first;
 }
+
+/*
+ * ccl_token_del: delete CCL tokens
+ */
+void ccl_token_del (struct ccl_token *list)
+{
+    struct ccl_token *list1;
+
+    while (list) 
+    {
+        list1 = list->next;
+        free (list);
+        list = list1;
+    }
+}