Change to emit_term(): when a term has the /regexp relation modifier,

[yaz-moved-to-github.git] / src / cqltransform.c

diff --git a/src/cqltransform.c b/src/cqltransform.c
index 2c64c32..2f2f353 100644 (file)
--- a/src/cqltransform.c
+++ b/src/cqltransform.c
@@ -1,4 +1,4 @@
-/* $Id: cqltransform.c,v 1.26 2007-01-03 08:42:15 adam Exp $
+/* $Id: cqltransform.c,v 1.28 2007-03-29 11:14:11 mike Exp $
    Copyright (C) 1995-2007, Index Data ApS
    Index Data Aps
 
@@ -195,6 +195,7 @@ int cql_pr_attr_uri(cql_transform_t ct, const char *category,
         const char *cp0 = res, *cp1;
         while ((cp1 = strchr(cp0, '=')))
         {
+            int i;
             while (*cp1 && *cp1 != ' ')
                 cp1++;
             if (cp1 - cp0 >= sizeof(buf))
@@ -202,7 +203,19 @@ int cql_pr_attr_uri(cql_transform_t ct, const char *category,
             memcpy (buf, cp0, cp1 - cp0);
             buf[cp1-cp0] = 0;
             (*pr)("@attr ", client_data);
-            (*pr)(buf, client_data);
+
+            for (i = 0; buf[i]; i++)
+            {
+                if (buf[i] == '*')
+                    (*pr)(eval, client_data);
+                else
+                {
+                    char tmp[2];
+                    tmp[0] = buf[i];
+                    tmp[1] = '\0';
+                    (*pr)(tmp, client_data);
+                }
+            }
             (*pr)(" ", client_data);
             cp0 = cp1;
             while (*cp0 == ' ')
@@ -340,6 +353,18 @@ static const char *wcchar(const char *term, int length)
 }
 
 
+/* ### checks for CQL relation-name rather than Type-1 attribute */
+static int has_modifier(struct cql_node *cn, const char *name) {
+    struct cql_node *mod;
+    for (mod = cn->u.st.modifiers; mod != 0; mod = mod->u.st.modifiers) {
+        if (!strcmp(mod->u.st.index, name))
+            return 1;
+    }
+
+    return 0;
+}
+
+
 void emit_term(cql_transform_t ct,
                struct cql_node *cn,
                const char *term, int length,
@@ -348,10 +373,11 @@ void emit_term(cql_transform_t ct,
 {
     int i;
     const char *ns = cn->u.st.index_uri;
+    int process_term = !has_modifier(cn, "regexp");
 
     assert(cn->which == CQL_NODE_ST);
 
-    if (length > 0)
+    if (process_term && length > 0)
     {
         if (length > 1 && term[0] == '^' && term[length-1] == '^')
         {
@@ -380,7 +406,7 @@ void emit_term(cql_transform_t ct,
         }
     }
 
-    if (length > 0)
+    if (process_term && length > 0)
     {
         /* Check for well-known globbing patterns that represent
          * simple truncation attributes as expected by, for example,