RetroArch/compat/rxml/rxml.h
2014-09-09 05:24:32 +02:00

92 lines
2.8 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef RXML_H__
#define RXML_H__
#ifdef __cplusplus
extern "C" {
#endif
/* Total NIH. Very trivial "XML" implementation for use in RetroArch.
* Error checking is minimal. Invalid documents may lead to very
* buggy behavior, but memory corruption should never happen.
*
* Only parts of standard that RetroArch cares about is supported.
* Nothing more, nothing less. "Clever" XML documents will
* probably break the implementation.
*
* Do *NOT* try to use this for anything else. You have been warned.
*/
typedef struct rxml_document rxml_document_t;
struct rxml_attrib_node
{
char *attrib;
char *value;
struct rxml_attrib_node *next;
};
struct rxml_node
{
char *name;
char *data;
struct rxml_attrib_node *attrib;
struct rxml_node *children;
struct rxml_node *next;
/* Dummy. Used by libxml2 compat.
* Is always set to 0, so XML_ELEMENT_NODE check goes through. */
int type;
};
rxml_document_t *rxml_load_document(const char *path);
void rxml_free_document(rxml_document_t *doc);
struct rxml_node *rxml_root_node(rxml_document_t *doc);
/* Drop const-correctness here to avoid warnings
* when used as libxml2 compat.
* xmlGetProp() returns xmlChar*, which is supposed
* to be passed to xmlFree(). */
char *rxml_node_attrib(struct rxml_node *node, const char *attrib);
#ifdef RXML_LIBXML2_COMPAT
/* Compat for part of libxml2 that RetroArch uses. */
#define LIBXML_TEST_VERSION ((void)0)
typedef char xmlChar; /* It's really unsigned char, but it doesn't matter. */
typedef struct rxml_node *xmlNodePtr;
typedef void *xmlParserCtxtPtr;
typedef rxml_document_t *xmlDocPtr;
#define XML_ELEMENT_NODE (0)
#define xmlNewParserCtxt() ((void*)-1)
#define xmlCtxtReadFile(ctx, path, a, b) rxml_load_document(path)
#define xmlGetProp(node, prop) rxml_node_attrib(node, prop)
#define xmlFree(p) ((void)0)
#define xmlNodeGetContent(node) (node->data)
#define xmlDocGetRootElement(doc) rxml_root_node(doc)
#define xmlFreeDoc(doc) rxml_free_document(doc)
#define xmlFreeParserCtxt(ctx) ((void)0)
#endif
#ifdef __cplusplus
}
#endif
#endif