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/*
* plist.c
* Builds plist XML structures.
*
* Copyright (c) 2008 Zack C. All Rights Reserved.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libxml/parser.h>
#include <libxml/tree.h>
#include <string.h>
#include "plist.h"
const char *plist_base = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n\
<plist version=\"1.0\">\n\
</plist>\0";
xmlDocPtr new_plist() {
char *plist = strdup(plist_base);
xmlDocPtr plist_xml = xmlReadMemory(plist, strlen(plist), NULL, NULL, 0);
if (!plist_xml) return NULL;
free(plist);
return plist_xml;
}
void free_plist(xmlDocPtr plist) {
if (!plist) return;
xmlFreeDoc(plist);
}
xmlNode *add_child_to_plist(xmlDocPtr plist, const char *name, const char *content, xmlNode *to_node, int depth) {
if (!plist) return NULL;
int i = 0;
xmlNode *child;
if (!to_node) to_node = xmlDocGetRootElement(plist);
for (i = 0; i < depth; i++) {
xmlNodeAddContent(to_node, "\t");
}
child = xmlNewChild(to_node, NULL, name, content);
xmlNodeAddContent(to_node, "\n");
return child;
}
xmlNode *add_key_str_dict_element(xmlDocPtr plist, xmlNode *dict, const char *key, const char *value, int depth) {
xmlNode *keyPtr;
keyPtr = add_child_to_plist(plist, "key", key, dict, depth);
add_child_to_plist(plist, "string", value, dict, depth);
return keyPtr;
}
char **read_dict_element_strings(xmlNode *dict) {
// reads a set of keys and strings into an array where each even number is a key and odd numbers are values.
// if the odd number is \0, that's the end of the list.
char **return_me = NULL, **old = NULL;
int current_length = 0;
int current_pos = 0;
xmlNode *dict_walker;
for (dict_walker = dict->children; dict_walker; dict_walker = dict_walker->next) {
if (!xmlStrcmp(dict_walker->name, "key")) {
current_length += 2;
old = return_me;
return_me = realloc(return_me, sizeof(char*) * current_length);
if (!return_me) {
free(old);
return NULL;
}
return_me[current_pos++] = xmlNodeGetContent(dict_walker);
return_me[current_pos++] = xmlNodeGetContent(dict_walker->next->next);
}
}
// one last thing...
old = return_me;
return_me = realloc(return_me, sizeof(char*) * (current_length+1));
return_me[current_pos] = strdup("");
return return_me;
}
void free_dictionary(char **dictionary) {
if (!dictionary) return;
int i = 0;
for (i = 0; strcmp(dictionary[i], ""); i++) {
free(dictionary[i]);
}
free(dictionary[i]);
free(dictionary);
}
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