Delete RS
[simpleserver-moved-to-github.git] / SimpleServer.xs
index 0275571..b13498c 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * $Id: SimpleServer.xs,v 1.68 2007-08-16 15:12:58 mike Exp $ 
+ * $Id: SimpleServer.xs,v 1.73 2007-08-20 10:59:11 mike Exp $ 
  * ----------------------------------------------------------------------
  * 
  * Copyright (c) 2000-2004, Index Data.
@@ -32,6 +32,7 @@
 #include "proto.h"
 #include "embed.h"
 #include "XSUB.h"
+#include <assert.h>
 #include <yaz/backend.h>
 #include <yaz/log.h>
 #include <yaz/wrbuf.h>
@@ -395,69 +396,97 @@ static SV *translateOID(Odr_oid *x)
 }
 
 
+static SV *apt2perl(Z_AttributesPlusTerm *at)
+{
+    SV *sv;
+    HV *hv;
+    AV *av;
+
+    if (at->term->which != Z_Term_general)
+       fatal("can't handle RPN terms other than general");
+
+    sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
+    if (at->attributes) {
+       int i;
+       SV *attrs = newObject("Net::Z3950::RPN::Attributes",
+                             (SV*) (av = newAV()));
+       for (i = 0; i < at->attributes->num_attributes; i++) {
+           Z_AttributeElement *elem = at->attributes->attributes[i];
+           HV *hv2;
+           SV *tmp = newObject("Net::Z3950::RPN::Attribute",
+                               (SV*) (hv2 = newHV()));
+           if (elem->attributeSet)
+               setMember(hv2, "attributeSet",
+                         translateOID(elem->attributeSet));
+           setMember(hv2, "attributeType",
+                     newSViv(*elem->attributeType));
+           if (elem->which == Z_AttributeValue_numeric) {
+               setMember(hv2, "attributeValue",
+                         newSViv(*elem->value.numeric));
+           } else {
+               assert(elem->which == Z_AttributeValue_complex);
+               Z_ComplexAttribute *c = elem->value.complex;
+               Z_StringOrNumeric *son;
+               /* We ignore semantic actions and multiple values */
+               assert(c->num_list > 0);
+               son = c->list[0];
+               if (son->which == Z_StringOrNumeric_numeric) {
+                   setMember(hv2, "attributeValue",
+                             newSViv(*son->u.numeric));
+               } else { /*Z_StringOrNumeric_string*/
+                   setMember(hv2, "attributeValue",
+                             newSVpv(son->u.string, 0));
+               }
+           }
+           av_push(av, tmp);
+       }
+       setMember(hv, "attributes", attrs);
+    }
+    setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
+                                 at->term->u.general->len));
+    return sv;
+}
+
+
 static SV *rpn2perl(Z_RPNStructure *s)
 {
     SV *sv;
     HV *hv;
     AV *av;
+    Z_Operand *o;
 
     switch (s->which) {
-    case Z_RPNStructure_simple: {
-       Z_Operand *o = s->u.simple;
-       Z_AttributesPlusTerm *at;
-       if (o->which == Z_Operand_resultSetId) {
-           SV *sv2;
+    case Z_RPNStructure_simple:
+       o = s->u.simple;
+       switch (o->which) {
+       case Z_Operand_resultSetId: {
            /* This code causes a SIGBUS on my machine, and I have no
               idea why.  It seems as clear as day to me */
+           SV *sv2;
            char *rsid = (char*) o->u.resultSetId;
-           printf("Encoding resultSetId '%s'\n", rsid);
+           /*printf("Encoding resultSetId '%s'\n", rsid);*/
            sv = newObject("Net::Z3950::RPN::RSID", (SV*) (hv = newHV()));
-           printf("Made sv=0x%lx, hv=0x%lx\n",
-                  (unsigned long) sv ,(unsigned long) hv);
+           /*printf("Made sv=0x%lx, hv=0x%lx\n", (unsigned long) sv ,(unsigned long) hv);*/
            sv2 = newSVpv(rsid, strlen(rsid));
            setMember(hv, "id", sv2);
-           printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);
+           /*printf("Set hv{id} to 0x%lx\n", (unsigned long) sv2);*/
            return sv;
        }
-       if (o->which != Z_Operand_APT)
-           fatal("can't handle RPN simples other than APT and RSID");
-       at = o->u.attributesPlusTerm;
-       if (at->term->which != Z_Term_general)
-           fatal("can't handle RPN terms other than general");
-
-       sv = newObject("Net::Z3950::RPN::Term", (SV*) (hv = newHV()));
-       if (at->attributes) {
-           int i;
-           SV *attrs = newObject("Net::Z3950::RPN::Attributes",
-                                 (SV*) (av = newAV()));
-           for (i = 0; i < at->attributes->num_attributes; i++) {
-               Z_AttributeElement *elem = at->attributes->attributes[i];
-               HV *hv2;
-               SV *tmp = newObject("Net::Z3950::RPN::Attribute",
-                                   (SV*) (hv2 = newHV()));
-               if (elem->attributeSet)
-                   setMember(hv2, "attributeSet",
-                             translateOID(elem->attributeSet));
-               setMember(hv2, "attributeType",
-                         newSViv(*elem->attributeType));
-               assert(elem->which == Z_AttributeValue_numeric);
-               setMember(hv2, "attributeValue",
-                         newSViv(*elem->value.numeric));
-               av_push(av, tmp);
-           }
-           setMember(hv, "attributes", attrs);
+
+       case  Z_Operand_APT:
+           return apt2perl(o->u.attributesPlusTerm);
+
+       default:
+           fatal("unknown RPN simple type %d", (int) o->which);
        }
-       setMember(hv, "term", newSVpv((char*) at->term->u.general->buf,
-                                     at->term->u.general->len));
-       return sv;
-    }
+
     case Z_RPNStructure_complex: {
        SV *tmp;
        Z_Complex *c = s->u.complex;
        char *type = 0;         /* vacuous assignment satisfies gcc -Wall */
        switch (c->roperator->which) {
-       case Z_Operator_and:     type = "Net::Z3950::RPN::And"; break;
-       case Z_Operator_or:      type = "Net::Z3950::RPN::Or"; break;
+       case Z_Operator_and:     type = "Net::Z3950::RPN::And";    break;
+       case Z_Operator_or:      type = "Net::Z3950::RPN::Or";     break;
        case Z_Operator_and_not: type = "Net::Z3950::RPN::AndNot"; break;
        case Z_Operator_prox:    fatal("proximity not yet supported");
        default: fatal("unknown RPN operator %d", (int) c->roperator->which);
@@ -471,9 +500,11 @@ static SV *rpn2perl(Z_RPNStructure *s)
        av_push(av, tmp);
        return sv;
     }
-    default: fatal("unknown RPN node type %d", (int) s->which);
-    }
 
+    default:
+       fatal("unknown RPN node type %d", (int) s->which);
+    }
+    
     return 0;
 }
 
@@ -1169,12 +1200,19 @@ int bend_scan(void *handle, bend_scan_rr *rr)
        SV *entries_ref;
        Zfront_handle *zhandle = (Zfront_handle *)handle;
        CV* handler_cv = 0;
+       SV *rpnSV;
 
        dSP;
        ENTER;
        SAVETMPS;
        href = newHV();
        list = newAV();
+
+       /* RPN is better than TERM since it includes attributes */
+       if ((rpnSV = apt2perl(rr->term)) != 0) {
+           setMember(href, "RPN", rpnSV);
+       }
+
        if (rr->term->term->which == Z_Term_general)
        {
                term_len = rr->term->term->u.general->len;