#pragma once

enum linetype {
    LT_TEXT,
    LT_LINK,
    LT_HEADING,
    LT_LISTITEM,
    LT_QUOTE,
    LT_PRETEXT
};

struct line {
    enum linetype type;
    char* text;
    union {
        char* url;
        int level;
    };
};

struct parse_state {
    char* buf;
    int preformatted;
};

enum parse_result {
    /* Invalid input, parsing failed */
    PARSE_FAIL = -1,
    /* No output line generated (i.e. preformatting toggle) */
    PARSE_NOLINE = 0,
    /* Output line generated */
    PARSE_LINE = 1
};

enum parse_result ParseLine(struct parse_state*, struct line*);