X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=doc%2Fzoom.xml;h=0d0bac22e8eed7f713924c01375a8159adb74f37;hb=3bfe867a001cb4e4f88d47541f77a21027719bd5;hp=ce88f6113b7237f8a44f1ffab03ae28a56cd1bca;hpb=1b7adad61c65fb89f3ce61ee68dd87e5239841c5;p=yaz-moved-to-github.git

diff --git a/doc/zoom.xml b/doc/zoom.xml
index ce88f61..0d0bac2 100644
--- a/doc/zoom.xml
+++ b/doc/zoom.xml
@@ -20,7 +20,7 @@ ZOOM_options_set_int(opt, name, value)
 ZOOM_connection_scan1 (ZOOM_connection c, ZOOM_query startterm)
 ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
 -->
-<!-- $Id: zoom.xml,v 1.51 2006-09-06 09:26:36 adam Exp $ -->
+<!-- $Id: zoom.xml,v 1.55 2006-12-06 11:12:14 mike Exp $ -->
  <chapter id="zoom"><title>ZOOM</title>
   <para>
     &zoom; is an acronym for 'Z39.50 Object-Orientation Model' and is
@@ -34,7 +34,11 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
    <para>
     A recent addition to &yaz; is SRU support. You can now make
     SRU ZOOM connections by specifying scheme <literal>http://</literal>
-    for the hostname for a connection.
+    for the hostname for a connection.  The dialect of SRU used is
+    specified by the value of the connection's <literal>sru</literal>
+    option, which may be SRU over HTTP GET (<literal>get</literal>),
+    SRU over HTTP POST (<literal>post</literal>) or SRW (SRU over
+    SOAP) (<literal>soap</literal>).
    </para>
   </note>
 
@@ -253,6 +257,12 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
         mediumSetElementSetName</entry><entry>
         The element set name to be for medium-sized result sets.
        </entry><entry>none</entry></row>
+      <row><entry>
+        init_opt_search, init_opt_present, init_opt_delSet, etc.</entry><entry>
+        After a successful Init, these options may be interrogated to
+	discover whether the server claims to support the specified
+	operations.
+       </entry><entry>none</entry></row>
      </tbody>
     </tgroup>
    </table>
@@ -318,7 +328,8 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
      API cannot tell the outcome (yet).
     </para>
     </sect2>
-   <sect2><title>SRU Protocol behavior</title>
+   <sect2 id="zoom.sru.init.behavior">
+    <title>SRU Protocol behavior</title>
     <para>
      The SRU protocol doesn't feature an Inititialize Request, so
      the connection phase merely establishes a TCP/IP connection
@@ -365,7 +376,7 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     sort criteria using the same string notation for sort as offered by
     the <link linkend="sortspec">YAZ client</link>.
    </para>
-   <sect2><title>Protocol behavior</title>
+   <sect2 id="zoom.sort.behavior"><title>Protocol behavior</title>
     <para>
      The query object is just an interface for the member Query
      in the SearchRequest. The sortby-function is an interface to the
@@ -416,7 +427,8 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     The number of hits also called result-count is returned by
     function <function>ZOOM_resultset_size</function>.
    </para>
-   <table frame="top"><title>ZOOM Result set Options</title>
+   <table id="zoom.resultset.options" 
+    frame="top"><title>ZOOM Result set Options</title>
     <tgroup cols="3">
      <colspec colwidth="4*" colname="name"></colspec>
      <colspec colwidth="7*" colname="description"></colspec>
@@ -480,7 +492,8 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     Read <literal>searchresult.size</literal> to determine the
     number of items.
    </para>
-   <table frame="top"><title>Search Info Report options</title>
+   <table id="zoom.search.info.report.options" 
+    frame="top"><title>Search Info Report Options</title>
     <tgroup cols="2">
      <colspec colwidth="4*" colname="name"></colspec>
      <colspec colwidth="7*" colname="description"></colspec>
@@ -525,7 +538,7 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
      </tbody>
     </tgroup>
    </table>
-   <sect2>
+   <sect2 id="zoom.z3950.resultset.behavior">
     <title>Z39.50 Protocol behavior</title>
     <para>
      The creation of a result set involves at least a SearchRequest
@@ -577,7 +590,7 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
      to specify one elementSetName option rather than three.
      </para>
    </sect2>
-   <sect2>
+   <sect2 id="zoom.sru.resultset.behavior">
     <title>SRU Protocol behavior</title>
     <para>
      Current version of &yaz; does not take advantage of a result set id
@@ -625,13 +638,16 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     created from result sets.
    </para>
    <synopsis>
-     void ZOOM_resultset_records (ZOOM_resultset r,
-                                  ZOOM_record *recs,
-                                  size_t start, size_t count);
-     ZOOM_record ZOOM_resultset_record (ZOOM_resultset s, size_t pos);
+     void ZOOM_resultset_records(ZOOM_resultset r,
+                                 ZOOM_record *recs,
+                                 size_t start, size_t count);
+     ZOOM_record ZOOM_resultset_record(ZOOM_resultset s, size_t pos);
+
+     const char *ZOOM_record_get(ZOOM_record rec, const char *type,
+                                 size_t *len);
 
-     const char *ZOOM_record_get (ZOOM_record rec, const char *type,
-                                  size_t *len);
+     int ZOOM_record_error(ZOOM_record rec, const char **msg,
+                           const char **addinfo, const char **diagset);
 
      ZOOM_record ZOOM_record_clone (ZOOM_record rec);
 
@@ -655,6 +671,12 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     If no record could be obtained <literal>NULL</literal> is returned.
    </para>
    <para>
+    Error information for a record can be checked with
+    <function>ZOOM_record_error</function> which returns non-zero
+    (error code) if record is in error, called <emphasis>Surrogate
+     Diagnostics</emphasis> in Z39.50.
+   </para>
+   <para>
     Function <function>ZOOM_resultset_records</function> retrieves
     a number of records from a result set. Parameter <literal>start</literal>
     and <literal>count</literal> specifies the range of records to
@@ -760,7 +782,8 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
      render; charset=marc8,iso-8859-1
     </screen>
    </para>
-   <sect2><title>Z39.50 Protocol behavior</title>
+   <sect2 id="zoom.z3950.record.behavior">
+    <title>Z39.50 Protocol behavior</title>
     <para>
      The functions <function>ZOOM_resultset_record</function> and
      <function>ZOOM_resultset_records</function> inspects the client-side
@@ -779,7 +802,8 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
      <emphasis>now</emphasis>.
     </para>
    </sect2>
-   <sect2><title>SRU Protocol behavior</title>
+   <sect2 id="zoom.sru.record.behavior">
+    <title>SRU Protocol behavior</title>
     <para>
      The ZOOM driver for SRU treats records returned by a SRU server
      as if they where Z39.50 records with transfer syntax XML and
@@ -860,7 +884,8 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     </literallayout>
    </para>
    
-   <table frame="top"><title>ZOOM Scan Set Options</title>
+   <table frame="top" id="zoom.scanset.options">
+    <title>ZOOM Scan Set Options</title>
     <tgroup cols="3">
      <colspec colwidth="4*" colname="name"></colspec>
      <colspec colwidth="7*" colname="description"></colspec>
@@ -893,7 +918,7 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
    </table>
   </sect1>
 
-  <sect1 id="zoom.ext"><title>Extended Services</title>
+  <sect1 id="zoom.extendedservices"><title>Extended Services</title>
    <para>
     ZOOM offers an interface to a subset of the Z39.50 extended services
     as well as a few privately defined ones:
@@ -902,35 +927,35 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     <listitem>
      <para>
       Z39.50 Item Order (ILL).
-      See <xref linkend="zoom.ext.itemorder"/>.
+      See <xref linkend="zoom.item.order"/>.
      </para>
     </listitem>
     <listitem>
      <para>
       Record Update. This allows a client to insert, modify or delete
       records.
-      See <xref linkend="zoom.ext.update"/>.
+      See <xref linkend="zoom.record.update"/>.
      </para>
     </listitem>
     <listitem>
      <para>
       Database Create. This a non-standard feature. Allows a client
       to create a database.
-      See <xref linkend="zoom.ext.dbcreate"/>.
+      See <xref linkend="zoom.database.create"/>.
      </para>
     </listitem>
     <listitem>
      <para>
       Database Drop. This a non-standard feature. Allows a client
       to delete/drop a database.
-      See <xref linkend="zoom.ext.dbdrop"/>.
+      See <xref linkend="zoom.database.drop"/>.
      </para>
      </listitem>
     <listitem>
      <para>
       Commit operation. This a non-standard feature. Allows a client
       to commit operations.
-      See <xref linkend="zoom.ext.commit"/>.
+      See <xref linkend="zoom.commit"/>.
      </para>
     </listitem>
     <!-- all the ILL PDU options should go here too -->
@@ -971,7 +996,8 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     package type to be sent.
    </para>
 
-   <table frame="top"><title>Extended Service Common Options</title>
+   <table frame="top" id="zoom.extendedservices.options">
+    <title>Extended Service Common Options</title>
     <tgroup cols="3">
      <colspec colwidth="4*" colname="name"></colspec>
      <colspec colwidth="7*" colname="description"></colspec>
@@ -1016,13 +1042,14 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     </tgroup>
    </table>
 
-   <sect2 id="zoom.ext.itemorder"><title>Item Order</title>
+   <sect2 id="zoom.item.order"><title>Item Order</title>
     <para>
      For Item Order, type must be set to <literal>itemorder</literal> in
      <function>ZOOM_package_send</function>.
     </para>
 
-    <table frame="top"><title>Item Order Options</title>
+    <table frame="top" id="zoom.item.order.options">
+     <title>Item Order Options</title>
      <tgroup cols="3">
       <colspec colwidth="4*" colname="name"></colspec>
       <colspec colwidth="7*" colname="description"></colspec>
@@ -1061,13 +1088,14 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
 
    </sect2>
 
-   <sect2 id="zoom.ext.update"><title>Record Update</title>
+   <sect2 id="zoom.record.update"><title>Record Update</title>
     <para>
      For Record Update, type must be set to <literal>update</literal> in
      <function>ZOOM_package_send</function>.
     </para>
 
-    <table frame="top"><title>Record Update Options</title>
+    <table frame="top" id="zoom.record.update.options">
+     <title>Record Update Options</title>
      <tgroup cols="3">
       <colspec colwidth="4*" colname="name"></colspec>
       <colspec colwidth="7*" colname="description"></colspec>
@@ -1125,13 +1153,14 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     
    </sect2>
 
-   <sect2 id="zoom.ext.dbcreate"><title>Database Create</title>
+   <sect2 id="zoom.database.create"><title>Database Create</title>
     <para>
      For Database Create, type must be set to <literal>create</literal> in
      <function>ZOOM_package_send</function>.
     </para>
     
-    <table frame="top"><title>Database Create Options</title>
+    <table frame="top" id="zoom.database.create.options">
+     <title>Database Create Options</title>
      <tgroup cols="3">
       <colspec colwidth="4*" colname="name"></colspec>
       <colspec colwidth="7*" colname="description"></colspec>
@@ -1154,13 +1183,14 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     </table>
    </sect2>
    
-   <sect2 id="zoom.ext.dbdrop"><title>Database Drop</title>
+   <sect2 id="zoom.database.drop"><title>Database Drop</title>
     <para>
      For Database Drop, type must be set to <literal>drop</literal> in
      <function>ZOOM_package_send</function>.
     </para>
     
-    <table frame="top"><title>Database Create Options</title>
+    <table frame="top" id="zoom.database.drop.options">
+     <title>Database Drop Options</title>
      <tgroup cols="3">
       <colspec colwidth="4*" colname="name"></colspec>
       <colspec colwidth="7*" colname="description"></colspec>
@@ -1183,14 +1213,15 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     </table>
    </sect2>
    
-   <sect2 id="zoom.ext.commit"><title>Commit Operation</title>
+   <sect2 id="zoom.commit"><title>Commit Operation</title>
     <para>
      For Commit, type must be set to <literal>commit</literal> in
      <function>ZOOM_package_send</function>.
     </para>
    </sect2>
 
-   <sect2><title>Protocol behavior</title>
+   <sect2 id="zoom.extended.services.behavior">
+    <title>Protocol behavior</title>
     <para>
      All the extended services are Z39.50-only.
     </para>
@@ -1269,7 +1300,8 @@ ZOOM_query_cql2rpn(ZOOM_query s, const char *str, ZOOM_connection conn)
     (integer) for the last event.
    </para>
 
-   <table frame="top"><title>ZOOM Event IDs</title>
+   <table frame="top" id="zoom.event.ids">
+    <title>ZOOM Event IDs</title>
     <tgroup cols="2">
      <colspec colwidth="4*" colname="name"></colspec>
      <colspec colwidth="7*" colname="description"></colspec>