X-Git-Url: http://lists.indexdata.com/cgi-bin?a=blobdiff_plain;f=src%2Fconfig.c;h=3f02149a02e420249c9ff9ac1b631cacccee9229;hb=dde4a5914bbb5511a91e73d8ab45210b48637596;hp=e02c670c2d1bb6f768aa0e57becda6035cf991a3;hpb=be9a2b6fa7b39c27a1d2f44d796041561478c81d;p=pazpar2-moved-to-github.git

diff --git a/src/config.c b/src/config.c
index e02c670..3f02149 100644
--- a/src/config.c
+++ b/src/config.c
@@ -1,9 +1,12 @@
-/* $Id: config.c,v 1.2 2006-12-27 21:11:10 quinn Exp $ */
+/* $Id: config.c,v 1.3 2007-01-03 06:23:44 quinn Exp $ */
 
 #include <string.h>
 
 #include <libxml/parser.h>
 #include <libxml/tree.h>
+#include <libxslt/xslt.h>
+#include <libxslt/transform.h>
+#include <libxslt/xsltutils.h>
 
 #include <yaz/yaz-util.h>
 #include <yaz/nmem.h>
@@ -12,9 +15,13 @@
 #include "config.h"
 
 static NMEM nmem = 0;
+static char confdir[256] = ".";
 
 struct conf_config *config = 0;
 
+/* Code to parse configuration file */
+/* ==================================================== */
+
 static struct conf_service *parse_service(xmlNode *node)
 {
     xmlNode *n;
@@ -98,10 +105,147 @@ static struct conf_server *parse_server(xmlNode *node)
     return r;
 }
 
+static xsltStylesheet *load_stylesheet(const char *fname)
+{
+    char path[256];
+    sprintf(path, "%s/%s", confdir, fname);
+    return xsltParseStylesheetFile(path);
+}
+
+static void setup_marc(struct conf_retrievalprofile *r)
+{
+    yaz_iconv_t cm;
+    r->yaz_marc = yaz_marc_create();
+    if (!(cm = yaz_iconv_open("utf-8", r->native_encoding)))
+    {
+        yaz_log(YLOG_WARN, "Unable to support mapping from %s", r->native_encoding);
+        return;
+    }
+    yaz_marc_iconv(r->yaz_marc, cm);
+}
+
+static struct conf_retrievalprofile *parse_retrievalprofile(xmlNode *node)
+{
+    struct conf_retrievalprofile *r = nmem_malloc(nmem, sizeof(struct conf_retrievalprofile));
+    xmlNode *n;
+    struct conf_retrievalmap **rm = &r->maplist;
+
+    r->requestsyntax = 0;
+    r->native_syntax = Nativesyn_xml;
+    r->native_format = Nativeform_na;
+    r->native_encoding = 0;
+    r->native_mapto = Nativemapto_na;
+    r->yaz_marc = 0;
+    r->maplist = 0;
+    r->next = 0;
+
+    for (n = node->children; n; n = n->next)
+    {
+        if (n->type != XML_ELEMENT_NODE)
+            continue;
+        if (!strcmp(n->name, "requestsyntax"))
+        {
+            xmlChar *content = xmlNodeGetContent(n);
+            if (content)
+                r->requestsyntax = nmem_strdup(nmem, content);
+        }
+        else if (!strcmp(n->name, "nativesyntax"))
+        {
+            xmlChar *name = xmlGetProp(n, "name");
+            xmlChar *format = xmlGetProp(n, "format");
+            xmlChar *encoding = xmlGetProp(n, "encoding");
+            xmlChar *mapto = xmlGetProp(n, "mapto");
+            if (!name)
+            {
+                yaz_log(YLOG_WARN, "Missing name in 'nativesyntax' element");
+                return 0;
+            }
+            if (!strcmp(name, "iso2709"))
+            {
+                r->native_syntax = Nativesyn_iso2709;
+                // Set a few defaults, too
+                r->native_format = Nativeform_marc21;
+                r->native_mapto = Nativemapto_marcxml;
+                r->native_encoding = "marc-8";
+                setup_marc(r);
+            }
+            else if (!strcmp(name, "xml"))
+                r->native_syntax = Nativesyn_xml;
+            else
+            {
+                yaz_log(YLOG_WARN, "Unknown native syntax name %s", name);
+                return 0;
+            }
+            if (format)
+            {
+                if (!strcmp(format, "marc21") || !strcmp(format, "usmarc"))
+                    r->native_format = Nativeform_marc21;
+                else
+                {
+                    yaz_log(YLOG_WARN, "Unknown native format name %s", format);
+                    return 0;
+                }
+            }
+            if (encoding)
+                r->native_encoding = encoding;
+            if (mapto)
+            {
+                if (!strcmp(mapto, "marcxml"))
+                    r->native_mapto = Nativemapto_marcxml;
+                else if (!strcmp(mapto, "marcxchange"))
+                    r->native_mapto = Nativemapto_marcxchange;
+                else
+                {
+                    yaz_log(YLOG_WARN, "Unknown mapto target %s", format);
+                    return 0;
+                }
+            }
+        }
+        else if (!strcmp(n->name, "map"))
+        {
+            struct conf_retrievalmap *m = nmem_malloc(nmem, sizeof(struct conf_retrievalmap));
+            xmlChar *type = xmlGetProp(n, "type");
+            xmlChar *charset = xmlGetProp(n, "charset");
+            xmlChar *format = xmlGetProp(n, "format");
+            xmlChar *stylesheet = xmlGetProp(n, "stylesheet");
+            bzero(m, sizeof(*m));
+            if (type)
+            {
+                if (!strcmp(type, "xslt"))
+                    m->type = Map_xslt;
+                else
+                {
+                    yaz_log(YLOG_WARN, "Unknown map type: %s", type);
+                    return 0;
+                }
+            }
+            if (charset)
+                m->charset = nmem_strdup(nmem, charset);
+            if (format)
+                m->format = nmem_strdup(nmem, format);
+            if (stylesheet)
+            {
+                if (!(m->stylesheet = load_stylesheet(stylesheet)))
+                    return 0;
+            }
+            *rm = m;
+            rm = &m->next;
+        }
+        else
+        {
+            yaz_log(YLOG_FATAL, "Bad element in retrievalprofile: %s", n->name);
+            return 0;
+        }
+    }
+
+    return r;
+}
+
 static struct conf_config *parse_config(xmlNode *root)
 {
     xmlNode *n;
     struct conf_config *r = nmem_malloc(nmem, sizeof(struct conf_config));
+    struct conf_retrievalprofile **rp = &r->retrievalprofiles;
 
     r->servers = 0;
     r->queryprofiles = 0;
@@ -124,6 +268,9 @@ static struct conf_config *parse_config(xmlNode *root)
         }
         else if (!strcmp(n->name, "retrievalprofile"))
         {
+            if (!(*rp = parse_retrievalprofile(n)))
+                return 0;
+            rp = &(*rp)->next;
         }
         else
         {
@@ -137,14 +284,29 @@ static struct conf_config *parse_config(xmlNode *root)
 int read_config(const char *fname)
 {
     xmlDoc *doc = xmlReadFile(fname, NULL, 0);
-    if (!nmem)
+    const char *p;
+
+    if (!nmem)  // Initialize
+    {
         nmem = nmem_create();
+        xmlSubstituteEntitiesDefault(1);
+        xmlLoadExtDtdDefaultValue = 1;
+    }
     if (!doc)
     {
         yaz_log(YLOG_FATAL, "Failed to read %s", fname);
         exit(1);
     }
-    if ((config = parse_config(xmlDocGetRootElement(doc))))
+    if ((p = rindex(fname, '/')))
+    {
+        int len = p - fname;
+        strncpy(confdir, fname, len);
+        confdir[len] = '\0';
+    }
+    config = parse_config(xmlDocGetRootElement(doc));
+    xmlFreeDoc(doc);
+
+    if (config)
         return 1;
     else
         return 0;