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#define AL_LOG_SECTION "color_palette"
#include <al/log.h>
#include "color_palette.h"
struct camu_color_palette global_color_palette = { 0 };
#ifdef NAUNET_HAS_JSON
#include <nnwt/file.h>
#include <jansson.h>
static char *special_colors[2] = {
"background",
"foreground"
};
static char *normal_colors[16] = {
"color0",
"color1",
"color2",
"color3",
"color4",
"color5",
"color6",
"color7",
"color8",
"color9",
"color10",
"color11",
"color12",
"color13",
"color14",
"color15"
};
#endif
bool camu_colors_maybe_init(str *path)
{
#ifdef NAUNET_HAS_JSON
struct nn_file file;
if (!nn_file_exists(path) || !nn_file_open(&file, path, NNWT_FILE_READONLY)) {
return false;
}
str buffer;
nn_file_read_as_str(&file, &buffer);
nn_file_close(&file);
json_error_t error;
json_t *root = json_loadb(buffer.data, buffer.length, 0, &error);
al_str_free(&buffer);
if (!root) {
log_error("Failed to load %.*s as a json (%s).", al_str_x(path), error.text);
return false;
}
bool parsed = true;
json_t *special = json_object_get(root, "special");
if (!special) {
log_error("\"special\" field missing from the color palette.");
parsed = false;
goto out;
}
json_t *colors = json_object_get(root, "colors");
if (!colors) {
log_error("\"colors\" field missing from the color palette.");
parsed = false;
goto out;
}
json_t *object;
const char *color;
u32 value;
u32 index;
bool to_long_error;
for (u32 i = 0; i < ARRAY_SIZE(special_colors); i++) {
object = json_object_get(special, special_colors[i]);
if (!object) {
log_error("Couldn't find special color: %s.", special_colors[i]);
return false;
}
color = json_string_value(object);
index = (color[0] == '#') ? 1 : 0;
value = (u32)al_str_to_long(&al_str_w((char *)color, index, 6), 16, &to_long_error);
if (!to_long_error) {
global_color_palette.colors[i] = value;
} else {
log_warn("%s is not a valid hex color.", normal_colors[i]);
}
}
for (u32 i = 0; i < ARRAY_SIZE(normal_colors); i++) {
object = json_object_get(colors, normal_colors[i]);
if (!object) {
log_error("Couldn't find color: %s.", normal_colors[i]);
return false;
}
color = json_string_value(object);
index = (color[0] == '#') ? 1 : 0;
value = (u32)al_str_to_long(&al_str_w((char *)color, index, 6), 16, &to_long_error);
if (!to_long_error) {
global_color_palette.colors[i + 2] = value;
} else {
log_warn("%s is not a valid hex color.", normal_colors[i]);
}
}
out:
json_decref(root);
return parsed;
#else
(void)path;
return false;
#endif
}
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