enum gp_markup_fmt_flags {
        GP_MARKUP_BOLD = 0x01,
        GP_MARKUP_LARGE = 0x02,
        GP_MARKUP_MONO = 0x04,
        GP_MARKUP_SUB = 0x08,
        GP_MARKUP_SUP = 0x10,
        GP_MARKUP_UNDERLINE = 0x20,
        GP_MARKUP_STRIKE = 0x40,
};

typedef struct gp_markup_glyph {
        /* unicode glyph */
        uint32_t glyph;
        /* text format, bold, monospace, .... */
        uint16_t fmt;
} gp_markup_glyph;

typedef struct gp_markup {
        uint32_t glyph_cnt;
        gp_markup_glyph glyphs[];
} gp_markup;

void gp_markup_dump(gp_markup *self);

enum gp_markup_fmt {
        GP_MARKUP_PLAINTEXT,
        GP_MARKUP_GFXPRIM,
        GP_MARKUP_HTML,
};

gp_markup *gp_markup_parse(enum gp_markup_fmt fmt, const char *markup,
                           enum gp_markup_flags flags);