/*
 * blogc: A blog compiler.
 * Copyright (C) 2015-2016 Rafael G. Martins <rafael@rafaelmartins.eng.br>
 *
 * This program can be distributed under the terms of the BSD License.
 * See the file LICENSE.
 */

#ifndef _CONTENT_PARSER_H
#define _CONTENT_PARSER_H

#include <stddef.h>
#include <stdbool.h>

#include "utils.h"

typedef enum {
    BLOGC_CONTENT_BLOCK = 1,
    BLOGC_CONTENT_INLINE,
} blogc_content_node_type_t;

typedef enum {
    BLOGC_CONTENT_BLOCK_HEADER = 1,
    BLOGC_CONTENT_BLOCK_RAW,
    BLOGC_CONTENT_BLOCK_BLOCKQUOTE,
    BLOGC_CONTENT_BLOCK_CODE,
    BLOGC_CONTENT_BLOCK_HORIZONTAL_RULE,
    BLOGC_CONTENT_BLOCK_UNORDERED_LIST,
    BLOGC_CONTENT_BLOCK_ORDERED_LIST,
    BLOGC_CONTENT_BLOCK_LIST_ITEM,
    BLOGC_CONTENT_BLOCK_PARAGRAPH,
} blogc_content_block_type_t;

typedef enum {
    BLOGC_CONTENT_INLINE_LINK = 1,
    BLOGC_CONTENT_INLINE_IMAGE,
    BLOGC_CONTENT_INLINE_BOLD,
    BLOGC_CONTENT_INLINE_ITALIC,
    BLOGC_CONTENT_INLINE_CODE,
    BLOGC_CONTENT_INLINE_BREAK_LINE,
} blogc_content_inline_type_t;

typedef struct _blogc_content_node_t {
    blogc_content_node_type_t node_type;
    union {
        blogc_content_block_type_t block_type;
        blogc_content_inline_type_t inline_type;
    } type;
    union {
        struct _blogc_content_node_t *block;
        char *content;
    } child;
    sb_trie_t *parameters;
} blogc_content_node_t;

char* blogc_slugify(const char *str);
char* blogc_htmlentities(const char *str);
char* blogc_fix_description(const char *paragraph);
char* blogc_content_parse_inline(const char *src);
bool blogc_is_ordered_list_item(const char *str, size_t prefix_len);
char* blogc_content_parse(const char *src, size_t *end_excerpt,
    char **description);

#endif /* _CONTENT_PARSER_H */