--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/libidav/xml.c Sun Oct 22 12:58:07 2017 +0200
@@ -0,0 +1,157 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2017 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 "xml.h"
+
+static DavXmlNodeType convert_type(xmlElementType type) {
+ DavXmlNodeType ct;
+ switch(type) {
+ default: ct = DAV_XML_NONE; break;
+ case XML_ELEMENT_NODE: ct = DAV_XML_ELEMENT; break;
+ case XML_TEXT_NODE: ct = DAV_XML_TEXT;
+ }
+ return ct;
+}
+
+typedef struct {
+ xmlNode *node;
+ DavXmlNode *parent;
+} ConvXmlElm;
+
+DavXmlNode* dav_convert_xml(DavSession *sn, xmlNode *node) {
+ if(!node) {
+ return NULL;
+ }
+ DavXmlNodeType newnt = convert_type(node->type);
+ if(newnt == DAV_XML_NONE) {
+ return NULL;
+ }
+
+ UcxMempool *mp = sn->mp;
+
+ ConvXmlElm *ce = malloc(sizeof(ConvXmlElm));
+ ce->node = node;
+ ce->parent = NULL;
+ UcxList *stack = ucx_list_prepend(NULL, ce);
+
+ DavXmlNode *ret = NULL;
+
+ while(stack) {
+ ConvXmlElm *c = stack->data;
+ stack = ucx_list_remove(stack, stack);
+
+ xmlNode *n = c->node;
+ DavXmlNode *prev = NULL;
+ while(n) {
+ DavXmlNode *newxn = ucx_mempool_calloc(mp, 1, sizeof(DavXmlNode));
+ if(!ret) {
+ ret = newxn;
+ }
+ newxn->type = convert_type(n->type);
+ newxn->parent = c->parent;
+ if(c->parent && !c->parent->children) {
+ c->parent->children = newxn;
+ }
+ newxn->prev = prev;
+ if(prev) {
+ prev->next = newxn;
+ }
+
+ if(newxn->type == DAV_XML_ELEMENT) {
+ newxn->name = dav_session_strdup(sn, (char*)n->name);
+ if(n->ns && n->ns->href) {
+ newxn->namespace = dav_session_strdup(sn, (char*)n->ns->href);
+ }
+
+ // TODO: copy attributes
+
+ if(n->children) {
+ ConvXmlElm *convc = malloc(sizeof(ConvXmlElm));
+ convc->node = n->children;
+ convc->parent = newxn;
+ stack = ucx_list_prepend(stack, convc);
+ }
+ } else if(newxn->type == DAV_XML_TEXT) {
+ sstr_t content = sstrdup_a(mp->allocator, sstr((char*)n->content));
+ newxn->content = content.ptr;
+ newxn->contentlength = content.length;
+ }
+
+ prev = newxn;
+ n = n->next;
+ }
+
+ free(c);
+ }
+
+ return ret;
+}
+
+void dav_print_xml(DavXmlNode *node) {
+ if(node->type == DAV_XML_ELEMENT) {
+ printf("<%s>", node->name);
+
+ DavXmlNode *child = node->children;
+ if(child) {
+ dav_print_xml(child);
+ }
+
+ printf("</%s>", node->name);
+ } else {
+ fwrite(node->content, 1, node->contentlength, stdout);
+ fflush(stdout);
+ }
+ if(node->next) {
+ dav_print_xml(node->next);
+ }
+}
+
+/* ------------------------- public API ------------------------- */
+
+char* dav_xml_getstring(DavXmlNode *node) {
+ if(node && node->type == DAV_XML_TEXT) {
+ return node->content;
+ } else {
+ return NULL;
+ }
+}
+
+DavXmlNode* dav_text_node(DavSession *sn, char *text) {
+ UcxMempool *mp = sn->mp;
+ DavXmlNode *newxn = ucx_mempool_calloc(mp, 1, sizeof(DavXmlNode));
+ newxn->type = DAV_XML_TEXT;
+ sstr_t content = sstrdup_a(mp->allocator, sstr(text));
+ newxn->content = content.ptr;
+ newxn->contentlength = content.length;
+ return newxn;
+}
+