static int json_write_pretty_get_value_size(const struct json_value_s* value,
size_t depth, size_t indent_size, size_t newline_size, size_t* size) {
switch (value->type) {
default:
// unknown value type found!
return 1;
case json_type_number:
return json_write_pretty_get_number_size((struct json_number_s*)value->payload, size);
case json_type_string:
return json_write_pretty_get_string_size((struct json_string_s*)value->payload, size);
case json_type_array:
return json_write_pretty_get_array_size((struct json_array_s*)value->payload, depth, indent_size, newline_size, size);
case json_type_object:
return json_write_pretty_get_object_size((struct json_object_s*)value->payload, depth, indent_size, newline_size, size);
case json_type_true:
*size += 4; // the string "true"
return 0;
case json_type_false:
*size += 5; // the string "false"
return 0;
case json_type_null:
*size += 4; // the string "null"
return 0;
}
}
static int json_write_pretty_get_object_size(const struct json_object_s* object,
size_t depth, size_t indent_size, size_t newline_size, size_t* size) {
struct json_object_element_s* element;
*size += 1; // '{'
*size += newline_size; // need a newline next
if (1 < object->length) {
*size += object->length - 1; // ','s seperate each element
}
for (element = object->start; 0 != element; element = element->next) {
// each element gets an indent and newline
*size += (depth + 1) * indent_size;
*size += newline_size;
if (json_write_pretty_get_string_size(element->name, size)) {
// string was malformed!
return 1;
}
*size += 3; // seperate each name/value pair with " : "
if (json_write_pretty_get_value_size(element->value, depth + 1, indent_size, newline_size, size)) {
// value was malformed!
return 1;
}
}
*size += depth * indent_size;
*size += 1; // '}'
*size += newline_size; // need a newline next
return 0;
}
