n_gui.h

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#ifndef __NILOREA_GUI__
#define __NILOREA_GUI__
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <stdbool.h>
 
#define N_GUI_MAX_TOKEN_SIZE 1024
 
#include <nilorea/n_allegro5.h>
#include <nilorea/n_common.h>
#include <nilorea/n_str.h>
#include <nilorea/n_log.h>
#include <nilorea/n_list.h>
#include <nilorea/n_hash.h>
#include <nilorea/n_trees.h>
 
#define N_ENUM_N_GUI_TOKEN(_)     \
    _(N_GUI_TOKEN_TAG_OPEN, 2)    \
    _(N_GUI_TOKEN_TAG_CLOSE, 4)   \
    _(N_GUI_TOKEN_TAG_NAME, 8)    \
    _(N_GUI_TOKEN_ATTR_NAME, 16)  \
    _(N_GUI_TOKEN_ATTR_VALUE, 32) \
    _(N_GUI_TOKEN_TEXT, 64)       \
    _(N_GUI_TOKEN_EOF, 128)
 
N_ENUM_DECLARE(N_ENUM_N_GUI_TOKEN, __N_GUI_TOKEN);
 
typedef struct N_GUI_LAYOUT {
    size_t
        min_width,
        max_width,
        min_height,
        max_height,
        horizontal_align,
        vertical_align,
        font_size,
        font_style,
        margin_top,
        margin_bottom,
        margin_left,
        margin_right;
 
    ALLEGRO_COLOR background_color;
 
    N_STR
    *font,
        *background_image;
} N_GUI_LAYOUT;
 
typedef struct N_GUI_WIDGET {
    N_GUI_LAYOUT layout;
    size_t type;
    size_t
        x,
        y,
        w,
        h;
} N_GUI_WIDGET;
 
typedef struct N_GUI_DIALOG {
    TREE* tree;
    HASH_TABLE* styles;
} N_GUI_DIALOG;
 
typedef struct N_GUI_TOKEN {
    size_t type;
    char value[N_GUI_MAX_TOKEN_SIZE];
} N_GUI_TOKEN;
 
typedef struct N_GUI_TOKENIZER {
    const char* input;
    size_t position;
} N_GUI_TOKENIZER;
 
// Function prototypes
void n_gui_init_tokenizer(N_GUI_TOKENIZER* tokenizer, const char* input);
char n_gui_next_char(N_GUI_TOKENIZER* tokenizer);
char n_gui_peek_char(N_GUI_TOKENIZER* tokenizer);
int n_gui_is_eof(N_GUI_TOKENIZER* tokenizer);
N_GUI_TOKEN n_gui_next_token(N_GUI_TOKENIZER* tokenizer, bool* inside_open_tag);
void n_gui_print_token(N_GUI_TOKEN token);
N_GUI_DIALOG* n_gui_load_dialog(char* html, char* css);
 
#ifdef __cplusplus
}
#endif
#endif  // header guard