From a3b7b22328617db1ffdb8118c661d3167905918e Mon Sep 17 00:00:00 2001
From: Sebastian Hammer <quinn@indexdata.com>
Date: Fri, 12 Jan 2007 15:08:44 +0000
Subject: [PATCH] *** empty log message ***

---
 PROTOCOL     |    4 +++-
 src/config.c |   23 +++++++++++++++++------
 src/config.h |   30 ++++++++++++++++++++++--------
 3 files changed, 42 insertions(+), 15 deletions(-)

diff --git a/PROTOCOL b/PROTOCOL
index 2608c38..6db19d7 100644
--- a/PROTOCOL
+++ b/PROTOCOL
@@ -2,7 +2,9 @@
 Webservice requests are any that refer to filename "search.pz2". Arguments
 are GET-style parameters. Argument 'command' is required and specifies
 command. Any request not recognized as a webservice request as described,
-are forwarded to the HTTP server specified in option -p.
+are forwarded to the HTTP server specified in configuration.  This way, the webserver
+can host the user interface (itself dynamic or static HTML), and AJAX-style
+calls can be used from JS to interact with the search logic.
 
 Commands:
 
diff --git a/src/config.c b/src/config.c
index 5a1b31a..de47152 100644
--- a/src/config.c
+++ b/src/config.c
@@ -1,4 +1,4 @@
-/* $Id: config.c,v 1.9 2007-01-10 10:15:23 adam Exp $ */
+/* $Id: config.c,v 1.10 2007-01-12 15:08:44 quinn Exp $ */
 
 #include <string.h>
 
@@ -30,16 +30,27 @@ static struct conf_service *parse_service(xmlNode *node)
 {
     xmlNode *n;
     struct conf_service *r = nmem_malloc(nmem, sizeof(struct conf_service));
-    int num_metadata = 0;
     int md_node = 0;
 
+    r->num_sortkeys = r->num_metadata = 0;
     // Allocate array of conf metadata structs, if necessary
     for (n = node->children; n; n = n->next)
         if (n->type == XML_ELEMENT_NODE && !strcmp(n->name, "metadata"))
-            num_metadata++;
-    if (num_metadata)
-        r->metadata = nmem_malloc(nmem, sizeof(struct conf_metadata) * num_metadata);
-    r->num_metadata = num_metadata;
+        {
+            xmlChar *sortkey = xmlGetProp(n, "sortkey");
+            r->num_metadata++;
+            if (sortkey && strcmp(sortkey, "no"))
+                r->num_sortkeys++;
+            xmlFree(sortkey);
+        }
+    if (r->num_metadata)
+        r->metadata = nmem_malloc(nmem, sizeof(struct conf_metadata) * r->num_metadata);
+    else
+        r->metadata = 0;
+    if (r->num_sortkeys)
+        r->sortkeys = nmem_malloc(nmem, sizeof(struct conf_sortkey) * r->num_sortkeys);
+    else
+        r->sortkeys = 0;
 
     for (n = node->children; n; n = n->next)
     {
diff --git a/src/config.h b/src/config.h
index 3077451..d25f87b 100644
--- a/src/config.h
+++ b/src/config.h
@@ -5,7 +5,19 @@
 #include <libxslt/transform.h>
 #include <libxslt/xsltutils.h>
 
+enum conf_sortkey_types
+{
+    Metadata_sortkey_no,            // This is not to be used as a sortkey
+    Metadata_sortkey_numeric,       // Standard numerical sorting
+    Metadata_sortkey_range,         // Range sorting (pick lowest or highest)
+    Metadata_sortkey_skiparticle,   // Skip leading article when sorting
+    Metadata_sortkey_string
+};
+
 // Describes known metadata elements and how they are to be manipulated
+// An array of these structure provides a 'map' against which discovered metadata
+// elements are matched. It also governs storage, to minimize number of cycles needed
+// at various tages of processing
 struct conf_metadata 
 {
     char *name;  // The name of this element. Output by normalization stylesheet
@@ -19,14 +31,7 @@ struct conf_metadata
         Metadata_type_integer,          // Integer type
         Metadata_type_year              // A year
     } type;
-    enum
-    {
-        Metadata_sortkey_no,            // This is not to be used as a sortkey
-        Metadata_sortkey_numeric,       // Standard numerical sorting
-        Metadata_sortkey_range,         // Range sorting (pick lowest or highest)
-        Metadata_sortkey_skiparticle,   // Skip leading article when sorting
-        Metadata_sortkey_string
-    } sortkey;
+    enum conf_sortkey_types sortkey;
     enum
     {
         Metadata_merge_no,              // Don't merge
@@ -37,10 +42,19 @@ struct conf_metadata
     } merge;
 };
 
+// Controls sorting
+struct conf_sortkey
+{
+    char *name;
+    enum conf_sortkey_types type;
+};
+
 struct conf_service
 {
     int num_metadata;
     struct conf_metadata *metadata;
+    int num_sortkeys;
+    struct conf_sortkey *sortkeys;
 };
 
 struct conf_server
-- 
1.7.10.4