Rename internal func yaz_use_attribute_create
[yaz-moved-to-github.git] / src / srwutil.c
index 9ebd82d..f6dfdc4 100644 (file)
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2008 Index Data
+ * Copyright (C) 1995-2011 Index Data
  * See the file LICENSE for details.
  */
 /**
  * \file srwutil.c
  * \brief Implements SRW/SRU utilities.
  */
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
 
 #include <stdlib.h>
+#include <assert.h>
 #include <yaz/srw.h>
-#include <yaz/match-str.h>
+#include <yaz/matchstr.h>
 #include <yaz/yaz-iconv.h>
+#include "sru-p.h"
 
-static int hex_digit (int ch)
+static char *yaz_decode_sru_dbpath_odr(ODR n, const char *uri, size_t len)
 {
-    if (ch >= '0' && ch <= '9')
-        return ch - '0';
-    else if (ch >= 'a' && ch <= 'f')
-        return ch - 'a'+10;
-    else if (ch >= 'A' && ch <= 'F')
-        return ch - 'A'+10;
-    return 0;
+    return odr_strdupn(n, uri, len);
 }
 
-void encode_uri_char(char *dst, char ch)
+void yaz_encode_sru_dbpath_buf(char *dst, const char *db)
 {
-    if (ch == ' ')
-        strcpy(dst, "+");
-    /*  mark        = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")" */
-    else if ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z') ||
-             (ch >= '0' && ch <= '9') || strchr("-_.!~*'(|)", ch))
-    {
-        dst[0] = ch;
-        dst[1] = '\0';
-    }
-    else
-    {
-        dst[0] = '%';
-        sprintf(dst+1, "%02X", (unsigned char ) ch);
-    }
+    assert(db);
+    *dst = '/';
+    strcpy(dst+1, db);
 }
 
-static void yaz_array_to_uri(char **path, ODR o, char **name, char **value)
+char *yaz_encode_sru_dbpath_odr(ODR out, const char *db)
 {
-    size_t i, szp = 0, sz = 1;
-    for(i = 0; name[i]; i++)
-        sz += strlen(name[i]) + 3 + strlen(value[i]) * 3;
-    *path = (char *) odr_malloc(o, sz);
-    
-    for(i = 0; name[i]; i++)
-    {
-        size_t j, ilen;
-        if (i)
-            (*path)[szp++] = '&';
-        ilen = strlen(name[i]);
-        memcpy(*path+szp, name[i], ilen);
-        szp += ilen;
-        (*path)[szp++] = '=';
-        for (j = 0; value[i][j]; j++)
-        {
-            size_t vlen;
-            char vstr[5];
-            encode_uri_char(vstr, value[i][j]);
-            vlen = strlen(vstr);
-            memcpy(*path+szp, vstr, vlen);
-            szp += vlen;
-        }
-    }
-    (*path)[szp] = '\0';
+    char *dst = odr_malloc(out, 3 * strlen(db) + 2);
+    yaz_encode_sru_dbpath_buf(dst, db);
+    return dst;
 }
 
-int yaz_uri_to_array(const char *path, ODR o, char ***name, char ***val)
-{
-    int no = 2;
-    const char *cp;
-    *name = 0;
-    if (*path == '?')
-        path++;
-    if (!*path)
-        return 0;
-    cp = path;
-    while ((cp = strchr(cp, '&')))
-    {
-        cp++;
-        no++;
-    }
-    *name = (char **) odr_malloc(o, no * sizeof(char*));
-    *val = (char **) odr_malloc(o, no * sizeof(char*));
-
-    for (no = 0; *path; no++)
-    {
-        const char *p1 = strchr(path, '=');
-        size_t i = 0;
-        char *ret;
-        if (!p1)
-            break;
-
-        (*name)[no] = (char *) odr_malloc(o, (p1-path)+1);
-        memcpy((*name)[no], path, p1-path);
-        (*name)[no][p1-path] = '\0';
-
-        path = p1 + 1;
-        p1 = strchr(path, '&');
-        if (!p1)
-            p1 = strlen(path) + path;
-        (*val)[no] = ret = (char *) odr_malloc(o, p1 - path + 1);
-        while (*path && *path != '&')
-        {
-            if (*path == '+')
-            {
-                ret[i++] = ' ';
-                path++;
-            }
-            else if (*path == '%' && path[1] && path[2])
-            {
-                ret[i++] = hex_digit (path[1])*16 + hex_digit (path[2]);
-                path = path + 3;
-            }
-            else
-                ret[i++] = *path++;
-        }
-        ret[i] = '\0';
-
-        if (*path)
-            path++;
+Z_AttributeList *yaz_use_attribute_create(ODR o, const char *name) {
+    Z_AttributeList *attributes= (Z_AttributeList *) odr_malloc(o, sizeof(*attributes));
+    Z_AttributeElement ** elements;
+    attributes->num_attributes = 1;
+    /* TODO check on name instead
+    if (!attributes->num_attributes) {
+        attributes->attributes = (Z_AttributeElement**)odr_nullval();
+        return attributes;
     }
-    (*name)[no] = 0;
-    (*val)[no] = 0;
-    return no;
+    */
+    elements = (Z_AttributeElement**) odr_malloc (o, attributes->num_attributes * sizeof(*elements));
+    elements[0] = (Z_AttributeElement*)odr_malloc(o,sizeof(**elements));
+    elements[0]->attributeType = odr_malloc(o, sizeof(*elements[0]->attributeType));
+   *elements[0]->attributeType = 1;
+    elements[0]->attributeSet = odr_nullval();
+    elements[0]->which = Z_AttributeValue_complex;
+    elements[0]->value.complex = (Z_ComplexAttribute *) odr_malloc(o, sizeof(Z_ComplexAttribute));
+    elements[0]->value.complex->num_list = 1;
+    elements[0]->value.complex->list = (Z_StringOrNumeric **) odr_malloc(o, 1 * sizeof(Z_StringOrNumeric *));
+    elements[0]->value.complex->list[0] = (Z_StringOrNumeric *) odr_malloc(o, sizeof(Z_StringOrNumeric));
+    elements[0]->value.complex->list[0]->which = Z_StringOrNumeric_string;
+    elements[0]->value.complex->list[0]->u.string = (Z_InternationalString *) odr_strdup(o, name);
+    elements[0]->value.complex->semanticAction = 0;
+    elements[0]->value.complex->num_semanticAction = 0;
+    attributes->attributes = elements;
+    return attributes;
 }
 
-char *yaz_uri_val(const char *path, const char *name, ODR o)
-{
-    size_t nlen = strlen(name);
-    if (*path != '?')
+#if YAZ_HAVE_XML2
+const char *yaz_element_attribute_value_get(xmlNodePtr ptr, const char *node_name, const char *attribute_name) {
+
+    struct _xmlAttr *attr;
+    // check if the node name matches
+    if (strcmp((const char*) ptr->name, node_name))
         return 0;
-    path++;
-    while (path && *path)
-    {
-        const char *p1 = strchr(path, '=');
-        if (!p1)
-            break;
-        if ((size_t)(p1 - path) == nlen && !memcmp(path, name, nlen))
-        {
-            size_t i = 0;
-            char *ret;
-            
-            path = p1 + 1;
-            p1 = strchr(path, '&');
-            if (!p1)
-                p1 = strlen(path) + path;
-            ret = (char *) odr_malloc(o, p1 - path + 1);
-            while (*path && *path != '&')
-            {
-                if (*path == '+')
-                {
-                    ret[i++] = ' ';
-                    path++;
-                }
-                else if (*path == '%' && path[1] && path[2])
-                {
-                    ret[i++] = hex_digit (path[1])*16 + hex_digit (path[2]);
-                    path = path + 3;
-                }
-                else
-                    ret[i++] = *path++;
-            }
-            ret[i] = '\0';
-            return ret;
+    // check if the attribute name and return the value
+    for (attr = ptr->properties; attr; attr = attr->next)
+        if (attr->children && attr->children->type == XML_TEXT_NODE) {
+            if (!strcmp((const char *) attr->name, attribute_name))
+                return (const char *) attr->children->content;
         }
-        path = strchr(p1, '&');
-        if (path)
-            path++;
-    }
     return 0;
 }
 
-#if YAZ_HAVE_XML2
+
 static int yaz_base64decode(const char *in, char *out)
 {
     const char *map = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
@@ -279,7 +183,7 @@ static void yaz_srw_decodeauth(Z_SRW_PDU *sr, Z_HTTP_Request *hreq,
 }
 #endif
 
-void yaz_uri_val_int(const char *path, const char *name, ODR o, int **intp)
+void yaz_uri_val_int(const char *path, const char *name, ODR o, Odr_int **intp)
 {
     const char *v = yaz_uri_val(path, name, o);
     if (v)
@@ -422,12 +326,7 @@ int yaz_srw_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
             if (!p1)
                 p1 = p0 + strlen(p0);
             if (p1 != p0)
-            {
-                db = (char*) odr_malloc(decode, p1 - p0 + 1);
-                memcpy (db, p0, p1 - p0);
-                db[p1 - p0] = '\0';
-            }
-
+                db = yaz_decode_sru_dbpath_odr(decode, p0, p1 - p0);
             grab_charset(decode, content_type, charset);
 
             ret = z_soap_codec(decode, soap_package, 
@@ -436,6 +335,7 @@ int yaz_srw_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
             if (ret == 0 && (*soap_package)->which == Z_SOAP_generic)
             {
                 *srw_pdu = (Z_SRW_PDU*) (*soap_package)->u.generic->p;
+                yaz_srw_decodeauth(*srw_pdu, hreq, 0, 0, decode);
                 
                 if ((*srw_pdu)->which == Z_SRW_searchRetrieve_request &&
                     (*srw_pdu)->u.request->database == 0)
@@ -463,7 +363,7 @@ int yaz_srw_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
 
 #if YAZ_HAVE_XML2
 static int yaz_sru_decode_integer(ODR odr, const char *pname, 
-                                  const char *valstr, int **valp,
+                                  const char *valstr, Odr_int **valp,
                                   Z_SRW_diagnostic **diag, int *num_diag,
                                   int min_value)
 {
@@ -488,7 +388,7 @@ static int yaz_sru_decode_integer(ODR odr, const char *pname,
 #endif
 
 /**
-  http://www.loc.gov/z3950/agency/zing/srw/service.html
+   http://www.loc.gov/z3950/agency/zing/srw/service.html
 */ 
 int yaz_sru_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
                    Z_SOAP **soap_package, ODR decode, char **charset,
@@ -501,7 +401,7 @@ int yaz_sru_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
     };
 #endif
     const char *content_type = z_HTTP_header_lookup(hreq->headers,
-                                            "Content-Type");
+                                                    "Content-Type");
 
     /*
       SRU GET: ignore content type.
@@ -510,9 +410,9 @@ int yaz_sru_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
     */
     if (!strcmp(hreq->method, "GET")
         || 
-             (!strcmp(hreq->method, "POST") && content_type &&
-              !yaz_strcmp_del("application/x-www-form-urlencoded",
-                              content_type, "; ")))
+        (!strcmp(hreq->method, "POST") && content_type &&
+         !yaz_strcmp_del("application/x-www-form-urlencoded",
+                         content_type, "; ")))
     {
         char *db = "Default";
         const char *p0 = hreq->path, *p1;
@@ -550,11 +450,7 @@ int yaz_sru_decode(Z_HTTP_Request *hreq, Z_SRW_PDU **srw_pdu,
         if (!p1)
             p1 = p0 + strlen(p0);
         if (p1 != p0)
-        {
-            db = (char*) odr_malloc(decode, p1 - p0 + 1);
-            memcpy (db, p0, p1 - p0);
-            db[p1 - p0] = '\0';
-        }
+            db = yaz_decode_sru_dbpath_odr(decode, p0, p1 - p0);
         if (!strcmp(hreq->method, "POST"))
             p1 = hreq->content_buf;
         yaz_uri_to_array(p1, decode, &uri_name, &uri_val);
@@ -862,6 +758,8 @@ static Z_SRW_PDU *yaz_srw_get_core_ver(ODR o, const char *version)
     p->username = 0;
     p->password = 0;
     p->extra_args = 0;
+    p->extraResponseData_buf = 0;
+    p->extraResponseData_len = 0;
     return p;
 }
 
@@ -897,6 +795,7 @@ Z_SRW_PDU *yaz_srw_get_pdu(ODR o, int which, const char *version)
         sr->u.request->database = 0;
         sr->u.request->resultSetTTL = 0;
         sr->u.request->stylesheet = 0;
+        sr->u.request->facetList = 0;
         break;
     case Z_SRW_searchRetrieve_response:
         sr->u.response = (Z_SRW_searchRetrieveResponse *)
@@ -910,6 +809,7 @@ Z_SRW_PDU *yaz_srw_get_pdu(ODR o, int which, const char *version)
         sr->u.response->num_diagnostics = 0;
         sr->u.response->nextRecordPosition = 0;
         sr->u.response->extra_records = 0;
+        sr->u.response->facetList = 0;
         break;
     case Z_SRW_explain_request:
         sr->u.explain_request = (Z_SRW_explainRequest *)
@@ -1196,20 +1096,20 @@ int yaz_diag_srw_to_bib1(int code)
     return 1;
 }
 
-static void add_val_int(ODR o, char **name, char **value,  int *i,
-                        char *a_name, int *val)
+void yaz_add_name_value_int(ODR o, char **name, char **value, int *i,
+                            char *a_name, Odr_int *val)
 {
     if (val)
     {
         name[*i] = a_name;
-        value[*i] = (char *) odr_malloc(o, 30);
-        sprintf(value[*i], "%d", *val);
+        value[*i] = (char *) odr_malloc(o, 40);
+        sprintf(value[*i], ODR_INT_PRINTF, *val);
         (*i)++;
     }
 }
 
-static void add_val_str(ODR o, char **name, char **value,  int *i,
-                        char *a_name, char *val)
+void yaz_add_name_value_str(ODR o, char **name, char **value,  int *i,
+                            char *a_name, char *val)
 {
     if (val)
     {
@@ -1223,7 +1123,7 @@ static int yaz_get_sru_parms(const Z_SRW_PDU *srw_pdu, ODR encode,
                              char **name, char **value, int max_names)
 {
     int i = 0;
-    add_val_str(encode, name, value, &i, "version", srw_pdu->srw_version);
+    yaz_add_name_value_str(encode, name, value, &i, "version", srw_pdu->srw_version);
     name[i] = "operation";
     switch(srw_pdu->which)
     {
@@ -1232,16 +1132,16 @@ static int yaz_get_sru_parms(const Z_SRW_PDU *srw_pdu, ODR encode,
         switch(srw_pdu->u.request->query_type)
         {
         case Z_SRW_query_type_cql:
-            add_val_str(encode, name, value, &i, "query",
-                        srw_pdu->u.request->query.cql);
+            yaz_add_name_value_str(encode, name, value, &i, "query",
+                                   srw_pdu->u.request->query.cql);
             break;
         case Z_SRW_query_type_pqf:
-            add_val_str(encode, name, value, &i, "x-pquery",
-                        srw_pdu->u.request->query.pqf);
+            yaz_add_name_value_str(encode, name, value, &i, "x-pquery",
+                                   srw_pdu->u.request->query.pqf);
             break;
         case Z_SRW_query_type_xcql:
-            add_val_str(encode, name, value, &i, "x-cql",
-                        srw_pdu->u.request->query.xcql);
+            yaz_add_name_value_str(encode, name, value, &i, "x-cql",
+                                   srw_pdu->u.request->query.xcql);
             break;
         }
         switch(srw_pdu->u.request->sort_type)
@@ -1249,29 +1149,29 @@ static int yaz_get_sru_parms(const Z_SRW_PDU *srw_pdu, ODR encode,
         case Z_SRW_sort_type_none:
             break;
         case Z_SRW_sort_type_sort:            
-            add_val_str(encode, name, value, &i, "sortKeys",
-                        srw_pdu->u.request->sort.sortKeys);
+            yaz_add_name_value_str(encode, name, value, &i, "sortKeys",
+                                   srw_pdu->u.request->sort.sortKeys);
             break;
         }
-        add_val_int(encode, name, value, &i, "startRecord", 
-                    srw_pdu->u.request->startRecord);
-        add_val_int(encode, name, value, &i, "maximumRecords", 
-                    srw_pdu->u.request->maximumRecords);
-        add_val_str(encode, name, value, &i, "recordSchema",
-                    srw_pdu->u.request->recordSchema);
-        add_val_str(encode, name, value, &i, "recordPacking",
-                    srw_pdu->u.request->recordPacking);
-        add_val_str(encode, name, value, &i, "recordXPath",
-                    srw_pdu->u.request->recordXPath);
-        add_val_str(encode, name, value, &i, "stylesheet",
-                    srw_pdu->u.request->stylesheet);
-        add_val_int(encode, name, value, &i, "resultSetTTL", 
-                    srw_pdu->u.request->resultSetTTL);
+        yaz_add_name_value_int(encode, name, value, &i, "startRecord", 
+                               srw_pdu->u.request->startRecord);
+        yaz_add_name_value_int(encode, name, value, &i, "maximumRecords", 
+                               srw_pdu->u.request->maximumRecords);
+        yaz_add_name_value_str(encode, name, value, &i, "recordSchema",
+                               srw_pdu->u.request->recordSchema);
+        yaz_add_name_value_str(encode, name, value, &i, "recordPacking",
+                               srw_pdu->u.request->recordPacking);
+        yaz_add_name_value_str(encode, name, value, &i, "recordXPath",
+                               srw_pdu->u.request->recordXPath);
+        yaz_add_name_value_str(encode, name, value, &i, "stylesheet",
+                               srw_pdu->u.request->stylesheet);
+        yaz_add_name_value_int(encode, name, value, &i, "resultSetTTL", 
+                               srw_pdu->u.request->resultSetTTL);
         break;
     case Z_SRW_explain_request:
         value[i++] = "explain";
-        add_val_str(encode, name, value, &i, "stylesheet",
-                    srw_pdu->u.explain_request->stylesheet);
+        yaz_add_name_value_str(encode, name, value, &i, "stylesheet",
+                               srw_pdu->u.explain_request->stylesheet);
         break;
     case Z_SRW_scan_request:
         value[i++] = "scan";
@@ -1279,24 +1179,24 @@ static int yaz_get_sru_parms(const Z_SRW_PDU *srw_pdu, ODR encode,
         switch(srw_pdu->u.scan_request->query_type)
         {
         case Z_SRW_query_type_cql:
-            add_val_str(encode, name, value, &i, "scanClause",
-                        srw_pdu->u.scan_request->scanClause.cql);
+            yaz_add_name_value_str(encode, name, value, &i, "scanClause",
+                                   srw_pdu->u.scan_request->scanClause.cql);
             break;
         case Z_SRW_query_type_pqf:
-            add_val_str(encode, name, value, &i, "x-pScanClause",
-                        srw_pdu->u.scan_request->scanClause.pqf);
+            yaz_add_name_value_str(encode, name, value, &i, "x-pScanClause",
+                                   srw_pdu->u.scan_request->scanClause.pqf);
             break;
         case Z_SRW_query_type_xcql:
-            add_val_str(encode, name, value, &i, "x-cqlScanClause",
-                        srw_pdu->u.scan_request->scanClause.xcql);
+            yaz_add_name_value_str(encode, name, value, &i, "x-cqlScanClause",
+                                   srw_pdu->u.scan_request->scanClause.xcql);
             break;
         }
-        add_val_int(encode, name, value, &i, "responsePosition", 
-                    srw_pdu->u.scan_request->responsePosition);
-        add_val_int(encode, name, value, &i, "maximumTerms", 
-                    srw_pdu->u.scan_request->maximumTerms);
-        add_val_str(encode, name, value, &i, "stylesheet",
-                    srw_pdu->u.scan_request->stylesheet);
+        yaz_add_name_value_int(encode, name, value, &i, "responsePosition", 
+                               srw_pdu->u.scan_request->responsePosition);
+        yaz_add_name_value_int(encode, name, value, &i, "maximumTerms", 
+                               srw_pdu->u.scan_request->maximumTerms);
+        yaz_add_name_value_str(encode, name, value, &i, "stylesheet",
+                               srw_pdu->u.scan_request->stylesheet);
         break;
     case Z_SRW_update_request:
         value[i++] = "update";
@@ -1338,6 +1238,7 @@ int yaz_sru_get_encode(Z_HTTP_Request *hreq, Z_SRW_PDU *srw_pdu,
         odr_malloc(encode, strlen(hreq->path) + strlen(uri_args) + 4);
 
     sprintf(path, "%s?%s", hreq->path, uri_args);
+    yaz_log(YLOG_DEBUG, "SRU HTTP Get Request %s", path);
     hreq->path = path;
 
     z_HTTP_header_add_content_type(encode, &hreq->headers,
@@ -1467,10 +1368,10 @@ void yaz_encode_sru_extra(Z_SRW_PDU *sr, ODR odr, const char *extra_args)
 }
 
 
-
 /*
  * Local variables:
  * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
  * indent-tabs-mode: nil
  * End:
  * vim: shiftwidth=4 tabstop=8 expandtab