Implemented pz:recordfilter facility.

[pazpar2-moved-to-github.git] / src / settings.c

diff --git a/src/settings.c b/src/settings.c
index 44de854..155dac7 100644 (file)
--- a/src/settings.c
+++ b/src/settings.c
@@ -65,6 +65,8 @@ static char *hard_settings[] = {
     "pz:sru",
     "pz:sru_version",
     "pz:pqf_prefix",
+    "pz:sort",
+    "pz:recordfilter",
     0
 };
 
@@ -132,21 +134,13 @@ static int isdir(const char *path)
 }
 
 // Read settings from an XML file, calling handler function for each setting
-static void read_settings_file(const char *path,
-                               struct conf_service *service,
-                               void (*fun)(struct conf_service *service,
-                                           struct setting *set))
+void settings_read_node_x(xmlNode *n,
+                          void *client_data,
+                          void (*fun)(void *client_data,
+                                      struct setting *set))
 {
-    xmlDoc *doc = xmlParseFile(path);
-    xmlNode *n;
     xmlChar *namea, *targeta, *valuea, *usera, *precedencea;
 
-    if (!doc)
-    {
-        yaz_log(YLOG_FATAL, "Failed to parse %s", path);
-        exit(1);
-    }
-    n = xmlDocGetRootElement(doc);
     namea = xmlGetProp(n, (xmlChar *) "name");
     targeta = xmlGetProp(n, (xmlChar *) "target");
     valuea = xmlGetProp(n, (xmlChar *) "value");
@@ -202,7 +196,7 @@ static void read_settings_file(const char *path,
                     strcpy(valueb, (const char *) valuea);
                 set.value = valueb;
                 set.next = 0;
-                (*fun)(service, &set);
+                (*fun)(client_data, &set);
             }
             xmlFree(name);
             xmlFree(precedence);
@@ -221,15 +215,33 @@ static void read_settings_file(const char *path,
     xmlFree(valuea);
     xmlFree(usera);
     xmlFree(targeta);
+}
+ 
+static void read_settings_file(const char *path,
+                               void *client_data,
+                               void (*fun)(void *client_data,
+                                           struct setting *set))
+{
+    xmlDoc *doc = xmlParseFile(path);
+    xmlNode *n;
+
+    if (!doc)
+    {
+        yaz_log(YLOG_FATAL, "Failed to parse %s", path);
+        exit(1);
+    }
+    n = xmlDocGetRootElement(doc);
+    settings_read_node_x(n, client_data, fun);
 
     xmlFreeDoc(doc);
 }
- 
+
+
 // Recursively read files or directories, invoking a 
 // callback for each one
 static void read_settings(const char *path,
-                          struct conf_service *service,
-                          void (*fun)(struct conf_service *service,
+                          void *client_data,
+                          void (*fun)(void *client_data,
                                       struct setting *set))
 {
     DIR *d;
@@ -249,12 +261,12 @@ static void read_settings(const char *path,
             if (*de->d_name == '.' || !strcmp(de->d_name, "CVS"))
                 continue;
             sprintf(tmp, "%s/%s", path, de->d_name);
-            read_settings(tmp, service, fun);
+            read_settings(tmp, client_data, fun);
         }
         closedir(d);
     }
     else if ((dot = strrchr(path, '.')) && !strcmp(dot + 1, "xml"))
-        read_settings_file(path, service, fun);
+        read_settings_file(path, client_data, fun);
 }
 
 // Determines if a ZURL is a wildcard, and what kind
@@ -281,10 +293,6 @@ static void prepare_dictionary(struct conf_service *service,
     int i;
     char *p;
 
-    // If target address is not wildcard, add the database
-    if (*set->target && !zurl_wildcard(set->target))
-        find_database(set->target, 0, service);
-
     // Determine if we already have a dictionary entry
     if (!strncmp(set->name, "pz:", 3) && (p = strchr(set->name + 3, ':')))
         *(p + 1) = '\0';
@@ -373,9 +381,9 @@ static void update_database(void *context, struct database *db)
 
 // Callback -- updates database records with dictionary entries as appropriate
 // This is used in pass 2 to assign name/value pairs to databases
-static void update_databases(struct conf_service *service, 
-                             struct setting *set)
+static void update_databases(void *client_data, struct setting *set)
 {
+    struct conf_service *service = (struct conf_service *) client_data;
     struct update_database_context context;
     context.set = set;
     context.service = service;
@@ -416,9 +424,9 @@ static void initialize_soft_settings(struct conf_service *service)
     }
 }
 
-static void prepare_target_dictionary(struct conf_service *service,
-                                      struct setting *set)
+static void prepare_target_dictionary(void *client_data, struct setting *set)
 {
+    struct conf_service *service = (struct conf_service *) client_data;
     struct setting_dictionary *dictionary = service->dictionary;
 
     int i;
@@ -434,24 +442,15 @@ static void prepare_target_dictionary(struct conf_service *service,
     for (i = 0; i < dictionary->num; i++)
         if (!strcmp(dictionary->dict[i], set->name))
             return;
-    yaz_log(YLOG_WARN, "setting %s not configured as metadata", set->name);
-}
-
-// If we ever decide we need to be able to specify multiple settings directories,
-// the two calls to read_settings must be split -- so the dictionary is prepared
-// for the contents of every directory before the databases are updated.
-void settings_read(struct conf_service *service, const char *path)
-{
-    read_settings(path, service, prepare_target_dictionary);
-    read_settings(path, service, update_databases);
+    yaz_log(YLOG_WARN, "Setting '%s' not configured as metadata", set->name);
 }
 
 void init_settings(struct conf_service *service)
 {
     struct setting_dictionary *new;
-
+    
     assert(service->nmem);
-
+    
     new = nmem_malloc(service->nmem, sizeof(*new));
     memset(new, 0, sizeof(*new));
     service->dictionary = new;
@@ -459,6 +458,24 @@ void init_settings(struct conf_service *service)
     initialize_soft_settings(service);
 }
 
+void settings_read_file(struct conf_service *service, const char *path,
+                        int pass)
+{
+    if (pass == 1)
+        read_settings(path, service, prepare_target_dictionary);
+    else
+        read_settings(path, service, update_databases);
+}
+
+void settings_read_node(struct conf_service *service, xmlNode *n,
+                        int pass)
+{
+    if (pass == 1)
+        settings_read_node_x(n, service, prepare_target_dictionary);
+    else
+        settings_read_node_x(n, service, update_databases);
+}
+
 /*
  * Local variables:
  * c-basic-offset: 4