--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/dav/db.c Fri Jun 13 13:52:59 2014 +0200
@@ -0,0 +1,146 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2014 Olaf Wintermann. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "db.h"
+
+#include <libidav/utils.h>
+
+
+#define xstreq(a,b) xmlStrEqual(BAD_CAST a, BAD_CAST b)
+
+#ifdef _WIN32
+#define ENV_HOME getenv("USERPROFILE")
+#else
+#define ENV_HOME getenv("HOME")
+#endif /* _WIN32 */
+
+UcxMap* load_db(char *name) {
+ char *dav_dir = util_concat_path(ENV_HOME, ".dav");
+ char *db_file = util_concat_path(dav_dir, name);
+ free(dav_dir);
+
+ xmlTextReaderPtr reader = xmlReaderForFile(db_file, NULL, 0);
+ if(!reader) {
+ fprintf(stderr, "Cannot open database file: %s\n", db_file);
+ free(db_file);
+ return NULL;
+ }
+ free(db_file);
+
+ UcxMap *map = ucx_map_new(2048);
+ int error = 0;
+ while(xmlTextReaderRead(reader)) {
+ int type = xmlTextReaderNodeType(reader);
+ const xmlChar *name = xmlTextReaderConstName(reader);
+
+ if(type == XML_READER_TYPE_ELEMENT) {
+ if(xstreq(name, "resource")) {
+ LocalResource *res = process_resource(reader);
+ if(res) {
+ ucx_map_cstr_put(map, res->path, res);
+ } else {
+ error = 1;
+ break;
+ }
+ }
+ }
+ }
+
+ xmlFreeTextReader(reader);
+ if(error) {
+ // TODO: free resources and map
+ return NULL;
+ } else {
+ return map;
+ }
+}
+
+LocalResource* process_resource(xmlTextReaderPtr reader) {
+ LocalResource *res = calloc(1, sizeof(LocalResource));
+
+ int field = -1;
+ while(xmlTextReaderRead(reader)) {
+ int type = xmlTextReaderNodeType(reader);
+ const xmlChar *name = xmlTextReaderConstName(reader);
+
+ if(type == XML_READER_TYPE_ELEMENT) {
+ if(xstreq(name, "path")) {
+ field = 0;
+ } else if(xstreq(name, "etag")) {
+ field = 1;
+ } else if(xstreq(name, "lastmodified")) {
+ field = 2;
+ } else if(xstreq(name, "size")) {
+ field = 3;
+ }
+ } else if(type == XML_READER_TYPE_TEXT) {
+ const xmlChar *value = xmlTextReaderConstValue(reader);
+ int b = 0;
+ switch(field) {
+ case 0: {
+ res->name = strdup((char*)value);
+ break;
+ }
+ case 1: {
+ res->etag = strdup((char*)value);
+ break;
+ }
+ case 2: {
+ res->last_modified = util_parse_lastmodified((char*)value);
+ break;
+ }
+ case 3: {
+ res->size = atoi((char*)value);
+ break;
+ }
+ }
+ } else if(XML_READER_TYPE_END_ELEMENT) {
+ if(xstreq(name, "resource")) {
+ break;
+ } else {
+ field = -1;
+ }
+ }
+ }
+
+ if(!res->name || !res->path || res->last_modified == 0) {
+ // TODO: free res
+ return NULL;
+ } else {
+ return res;
+ }
+}
+
+int store_db(UcxMap *db, char *name) {
+ // TODO:
+
+}