/* Access to the database with XML. */

#include <apr.h>

#include <apr_pools.h>

#include <httpd.h>

#include <libxml/tree.h>

#include <libxml/parser.h>

#include <libxml/xmlmemory.h>

#include "db.h"

#include "db_xml.h"

static apr_status_t

db_xml_cleanup (void *data)

{

xmlDoc *doc = (xmlDoc *)data;

if (doc != NULL)

xmlFreeDoc (doc);

return APR_SUCCESS;

}

xmlDoc *

virgule_db_xml_get (apr_pool_t *p, Db *db, const char *key)

{

int val_size;

char *val = virgule_db_get_p (p, db, key, &val_size);

xmlDoc *result;

if (val == NULL)

return NULL;

result = xmlParseMemory (val, val_size);

if (result != NULL)

apr_pool_cleanup_register (p, result, db_xml_cleanup, apr_pool_cleanup_null);

return result;

}

int

virgule_db_xml_put (apr_pool_t *p, Db *db, const char *key, xmlDoc *val)

{

xmlChar *buf;

int buf_size;

int status;

xmlIndentTreeOutput = 1;

xmlDocDumpFormatMemory (val, &buf, &buf_size, 1);

status = virgule_db_put (db, key, (char *)buf, buf_size);

xmlFree (buf);

return status;

}

xmlDoc *

virgule_db_xml_doc_new (apr_pool_t *p)

{

xmlDoc *result = xmlNewDoc ((xmlChar *)"1.0");

apr_pool_cleanup_register (p, result, db_xml_cleanup, apr_pool_cleanup_null);

return result;

}

/* Optional: clean up now, don't wait for APR end of pool life cleanup */

void

virgule_db_xml_free (apr_pool_t *p, xmlDoc *doc)

{

if (doc != NULL)

xmlFreeDoc (doc);

apr_pool_cleanup_kill (p, doc, db_xml_cleanup);

}