From 98dbaf0f7a4ea46aa3330d79c90f802fc0671f41 Mon Sep 17 00:00:00 2001
From: Adam Dickmeiss <adam@indexdata.dk>
Date: Mon, 12 Sep 2011 21:16:53 +0200
Subject: [PATCH] ICU per metadata element (icu_chain attribute)

---
 src/pazpar2_config.c |   15 +++++++++++----
 src/pazpar2_config.h |    1 +
 src/session.c        |    8 ++++++++
 3 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/src/pazpar2_config.c b/src/pazpar2_config.c
index b9fd4b1..f42cfae 100644
--- a/src/pazpar2_config.c
+++ b/src/pazpar2_config.c
@@ -70,7 +70,8 @@ static void conf_metadata_assign(NMEM nmem,
                                  int termlist,
                                  int rank,
                                  int sortkey_offset,
-                                 enum conf_metadata_mergekey mt)
+                                 enum conf_metadata_mergekey mt,
+                                 const char *icu_chain)
 {
     assert(nmem && metadata && name);
     
@@ -90,6 +91,7 @@ static void conf_metadata_assign(NMEM nmem,
     metadata->rank = rank;    
     metadata->sortkey_offset = sortkey_offset;
     metadata->mergekey = mt;
+    metadata->icu_chain = nmem_strdup_null(nmem, icu_chain);
 }
 
 
@@ -157,7 +159,8 @@ static struct conf_metadata* conf_service_add_metadata(
     int termlist,
     int rank,
     int sortkey_offset,
-    enum conf_metadata_mergekey mt)
+    enum conf_metadata_mergekey mt,
+    const char *icu_chain)
 {
     struct conf_metadata * md = 0;
 
@@ -168,7 +171,7 @@ static struct conf_metadata* conf_service_add_metadata(
     md = service->metadata + field_id;
     conf_metadata_assign(service->nmem, md, name, type, merge, setting,
                          brief, termlist, rank, sortkey_offset,
-                         mt);
+                         mt, icu_chain);
     return md;
 }
 
@@ -281,6 +284,7 @@ static int parse_metadata(struct conf_service *service, xmlNode *n,
     xmlChar *xml_rank = 0;
     xmlChar *xml_setting = 0;
     xmlChar *xml_mergekey = 0;
+    xmlChar *xml_icu_chain = 0;
     struct _xmlAttr *attr;
     for (attr = n->properties; attr; attr = attr->next)
     {
@@ -311,6 +315,9 @@ static int parse_metadata(struct conf_service *service, xmlNode *n,
         else if (!xmlStrcmp(attr->name, BAD_CAST "mergekey") &&
                  attr->children && attr->children->type == XML_TEXT_NODE)
             xml_mergekey = attr->children->content;
+        else if (!xmlStrcmp(attr->name, BAD_CAST "icu_chain") &&
+                 attr->children && attr->children->type == XML_TEXT_NODE)
+            xml_icu_chain = attr->children->content;
         else
         {
             yaz_log(YLOG_FATAL, "Unknown metadata attribute '%s'", attr->name);
@@ -450,7 +457,7 @@ static int parse_metadata(struct conf_service *service, xmlNode *n,
                               (const char *) xml_name,
                               type, merge, setting,
                               brief, termlist, rank, sortkey_offset,
-                              mergekey_type);
+                              mergekey_type, (const char *) xml_icu_chain);
     (*md_node)++;
     return 0;
 }
diff --git a/src/pazpar2_config.h b/src/pazpar2_config.h
index dd199c5..f6cf6d0 100644
--- a/src/pazpar2_config.h
+++ b/src/pazpar2_config.h
@@ -81,6 +81,7 @@ struct conf_metadata
     enum conf_metadata_merge merge;
     enum conf_setting_type setting; // Value is to be taken from session/db settings?
     enum conf_metadata_mergekey mergekey;
+    char *icu_chain;
 };
 
 
diff --git a/src/session.c b/src/session.c
index ee39c7b..9b69b38 100644
--- a/src/session.c
+++ b/src/session.c
@@ -192,6 +192,14 @@ void add_facet(struct session *s, const char *type, const char *value, int count
     const char *facet_component;
     WRBUF facet_wrbuf = wrbuf_alloc();
     WRBUF display_wrbuf = wrbuf_alloc();
+    int i;
+    const char *icu_chain_id = 0;
+
+    for (i = 0; i < service->num_metadata; i++)
+        if (!strcmp((service->metadata + i)->name, type))
+            icu_chain_id = (service->metadata + i)->icu_chain;
+    yaz_log(YLOG_LOG, "icu_chain id=%s", icu_chain_id ? icu_chain_id : "null");
+
     prt = pp2_relevance_tokenize(service->facet_pct);
     
     pp2_relevance_first(prt, value, 0);
-- 
1.7.10.4