/*
 * Header file for miniature markdown library.
 *
 *     https://github.com/michaelrsweet/mmd
 *
 * Copyright 2017 by Michael R Sweet.
 *
 * 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.
 */

#ifndef MMD_H
#  define MMD_H

/*
 * Include necessary headers...
 */

#  include <stdio.h>


/*
 * Constants...
 */

typedef enum mmd_type_e
{
  MMD_TYPE_NONE = -1,
  MMD_TYPE_DOCUMENT,
  MMD_TYPE_METADATA,
  MMD_TYPE_BLOCK_QUOTE,
  MMD_TYPE_ORDERED_LIST,
  MMD_TYPE_UNORDERED_LIST,
  MMD_TYPE_LIST_ITEM,
  MMD_TYPE_HEADING_1 = 10,
  MMD_TYPE_HEADING_2,
  MMD_TYPE_HEADING_3,
  MMD_TYPE_HEADING_4,
  MMD_TYPE_HEADING_5,
  MMD_TYPE_HEADING_6,
  MMD_TYPE_PARAGRAPH,
  MMD_TYPE_CODE_BLOCK,
  MMD_TYPE_THEMATIC_BREAK,
  MMD_TYPE_NORMAL_TEXT = 100,
  MMD_TYPE_EMPHASIZED_TEXT,
  MMD_TYPE_STRONG_TEXT,
  MMD_TYPE_STRUCK_TEXT,
  MMD_TYPE_LINKED_TEXT,
  MMD_TYPE_CODE_TEXT,
  MMD_TYPE_IMAGE,
  MMD_TYPE_HARD_BREAK,
  MMD_TYPE_SOFT_BREAK,
  MMD_TYPE_METADATA_TEXT
} mmd_type_t;


/*
 * Types...
 */

typedef struct _mmd_s mmd_t;


/*
 * Functions...
 */

#  ifdef __cplusplus
extern "C" {
#  endif /* __cplusplus */

extern void       mmdFree(mmd_t *node);
extern mmd_t      *mmdGetFirstChild(mmd_t *node);
extern mmd_t      *mmdGetLastChild(mmd_t *node);
extern const char *mmdGetMetadata(mmd_t *doc, const char *keyword);
extern mmd_t      *mmdGetNextSibling(mmd_t *node);
extern mmd_t      *mmdGetParent(mmd_t *node);
extern mmd_t      *mmdGetPrevSibling(mmd_t *node);
extern const char *mmdGetText(mmd_t *node);
extern mmd_type_t mmdGetType(mmd_t *node);
extern const char *mmdGetURL(mmd_t *node);
extern int        mmdGetWhitespace(mmd_t *node);
extern int        mmdIsBlock(mmd_t *node);
extern mmd_t      *mmdLoad(const char *filename);
extern mmd_t      *mmdLoadFile(FILE *fp);

#  ifdef __cplusplus
}
#  endif /* __cplusplus */

#endif /* !MMD_H */