C++ (Cpp) str_realloc_append_formatted示例

示例#1

char *
area_alloc_description(struct area const *area)
{
    int width = area->box.size.width * 10;
    int length = area->box.size.length * 10;
    int level = area->box.origin.z;
    char *description;
    switch (area->type) {
        case area_type_chamber:
            description = str_alloc_formatted("%u' x %u' chamber", width, length);
            break;
        case area_type_intersection:
            description = strdup_or_die("intersection");
            break;
        case area_type_passage: {
            enum orientation orientation = orientation_from_direction(area->direction);
            if (orientation_east_to_west == orientation) swap(&width, &length);
            description = str_alloc_formatted("%u' passage %s", length,
                                              orientation_name(orientation));
            break;
        }
        case area_type_room:
            description = str_alloc_formatted("%u' x %u' room", width, length);
            break;
        case area_type_stairs_down:
            description = alloc_stairs_description(level + 1, area_type_stairs_down);
            break;
        case area_type_stairs_up:
            description = alloc_stairs_description(level - 1, area_type_stairs_up);
            break;
        default:
            description = str_alloc_formatted("%u' x %u' area", width, length);
            break;
    }
    if (!area->features) return description;
    
    if (area->features & area_features_chimney_up) {
        str_realloc_append_formatted(&description, ", chimney up to ");
        realloc_append_level_description(&description, level - 1);
    }
    
    if (area->features & area_features_chimney_down) {
        str_realloc_append_formatted(&description, ", chimney down to ");
        realloc_append_level_description(&description, level + 1);
    }
    
    if (area->features & area_features_chute_entrance) {
        str_realloc_append_formatted(&description, ", chute down to ");
        realloc_append_level_description(&description, level + 1);
    }
    
    if (area->features & area_features_chute_exit) {
        str_realloc_append_formatted(&description, ", chute down from ");
        realloc_append_level_description(&description, level - 1);
    }
    
    return description;
}

示例#2

static void
realloc_append_level_description(char **s, int level)
{
    if (level <= 0) {
        str_realloc_append_formatted(s, "surface");
    } else {
        str_realloc_append_formatted(s, "level %i", level);
    }
}

示例#3

文件： dice.c 项目： donmccaughey/FiendsAndFortune

char *
dice_alloc_description(struct dice dice)
{
    assert(dice_is_valid(dice));

    char *description = NULL;
    if (!dice.count || !dice.sides) {
        str_realloc_append_formatted(&description, "0");
    } else if (1 == dice.sides) {
        str_realloc_append_formatted(&description, "%i", dice.count);
    } else {
        str_realloc_append_formatted(&description, "%id%i", dice.count, dice.sides);
    }
    if (dice.modifier) {
        str_realloc_append_formatted(&description, "%+i", dice.modifier);
    }
    if (1 != dice.multiplier) {
        str_realloc_append_formatted(&description, "x%i", dice.multiplier);
    }
    return description;
}

示例#4

static void
str_realloc_format_test(void)
{
    char *str = NULL;
    
    str_realloc_append_formatted(&str, "foo");
    assert(0 == strcmp("foo", str));
    
    str_realloc_append_formatted(&str, "%s", "bar");
    assert(0 == strcmp("foobar", str));
    
    str_realloc_append_formatted(&str, "%c%c%c", 'b', 'a', 'z');
    assert(0 == strcmp("foobarbaz", str));
    
    str_realloc_append_formatted(&str, " %i", 42);
    assert(0 == strcmp("foobarbaz 42", str));
    
    str_realloc_append_formatted(&str, " x %.2f", M_PI);
    assert(0 == strcmp("foobarbaz 42 x 3.14", str));
    
    str_realloc_append_formatted(&str, " x %i%%", 42);
    assert(0 == strcmp("foobarbaz 42 x 3.14 x 42%", str));
    
    free_or_die(str);
}