X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=zutil%2Fyaz-ccl.c;h=2740396d5813007e2812efb7d70409043fd6f136;hb=e347736dafbae4bbd1eec56e3577353662aee332;hp=f0de394dae6634022d5455b197a078bf96e1f4e3;hpb=01c57e6248b73d42453be75d5bceb6fa7ff8081d;p=yaz-moved-to-github.git

diff --git a/zutil/yaz-ccl.c b/zutil/yaz-ccl.c
index f0de394..2740396 100644
--- a/zutil/yaz-ccl.c
+++ b/zutil/yaz-ccl.c
@@ -1,10 +1,16 @@
 /*
- * Copyright (c) 1996-1998, Index Data.
+ * Copyright (c) 1996-1999, Index Data.
  * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: yaz-ccl.c,v $
- * Revision 1.2  1999-06-16 12:00:08  adam
+ * Revision 1.4  1999-12-20 15:20:13  adam
+ * Implemented ccl_pquery to convert from CCL tree to prefix query.
+ *
+ * Revision 1.3  1999/11/30 13:47:12  adam
+ * Improved installation. Moved header files to include/yaz.
+ *
+ * Revision 1.2  1999/06/16 12:00:08  adam
  * Added proximity.
  *
  * Revision 1.1  1999/06/08 10:12:43  adam
@@ -36,7 +42,7 @@
 #include <string.h>
 #include <assert.h>
 
-#include <yaz-ccl.h>
+#include <yaz/yaz-ccl.h>
 
 static Z_RPNStructure *ccl_rpn_structure (ODR o, struct ccl_rpn_node *p);
 
@@ -229,3 +235,59 @@ Z_AttributesPlusTerm *ccl_scan_query (ODR o, struct ccl_rpn_node *p)
         return NULL;
     return ccl_rpn_term (o, p);
 }
+
+static void ccl_pquery_complex (WRBUF w, struct ccl_rpn_node *p)
+{
+    switch (p->kind)
+    {
+    case CCL_RPN_AND:
+    	wrbuf_puts (w, "@and ");
+	break;
+    case CCL_RPN_OR:
+    	wrbuf_puts(w, "@or ");
+	break;
+    case CCL_RPN_NOT:
+    	wrbuf_puts(w, "@not ");
+	break;
+    case CCL_RPN_PROX:
+    	wrbuf_puts(w, "@prox 0 2 0 1 known 2 ");
+	break;
+    default:
+    	assert(0);
+    };
+    ccl_pquery(w, p->u.p[0]);
+    ccl_pquery(w, p->u.p[1]);
+}
+    	
+void ccl_pquery (WRBUF w, struct ccl_rpn_node *p)
+{
+    struct ccl_rpn_attr *att;
+
+    switch (p->kind)
+    {
+    case CCL_RPN_AND:
+    case CCL_RPN_OR:
+    case CCL_RPN_NOT:
+    case CCL_RPN_PROX:
+    	ccl_pquery_complex (w, p);
+	break;
+    case CCL_RPN_SET:
+	wrbuf_puts (w, "@set ");
+	wrbuf_puts (w, p->u.setname);
+	wrbuf_puts (w, " ");
+	break;
+    case CCL_RPN_TERM:
+    	for (att = p->u.t.attr_list; att; att = att->next)
+	{
+	    char tmpattr[128];
+	    sprintf(tmpattr, "@attr %d=%d ", att->type, att->value);
+	    wrbuf_puts (w, tmpattr);
+	}
+	wrbuf_puts (w, "{");
+	wrbuf_puts (w, p->u.t.term);
+	wrbuf_puts (w, "} ");
+	break;
+    default:
+    	assert (0);
+    };
+}