void
bson_string_append_unichar (bson_string_t *string, /* IN */
bson_unichar_t unichar) /* IN */
{
uint32_t len;
char str [8];
BSON_ASSERT (string);
BSON_ASSERT (unichar);
bson_utf8_from_unichar (unichar, str, &len);
if (len <= 6) {
str [len] = '\0';
bson_string_append (string, str);
}
}
void
bson_string_append_unichar (bson_string_t *string,
bson_unichar_t unichar)
{
bson_uint32_t len;
char str[7];
bson_return_if_fail(string);
bson_return_if_fail(unichar);
bson_utf8_from_unichar(unichar, str, &len);
if (len <= 6) {
str[len] = '\0';
bson_string_append(string, str);
}
}
static void
test_bson_utf8_from_unichar (void)
{
static const char test1[] = {'a'};
static const char test2[] = {0xc3, 0xbf};
static const char test3[] = {0xe2, 0x82, 0xac};
bson_uint32_t len;
char str[6];
/*
* First possible sequence of a certain length.
*/
bson_utf8_from_unichar(0, str, &len);
assert(len == 1);
bson_utf8_from_unichar(0x00000080, str, &len);
assert(len == 2);
bson_utf8_from_unichar(0x00000800, str, &len);
assert(len == 3);
bson_utf8_from_unichar(0x00010000, str, &len);
assert(len == 4);
bson_utf8_from_unichar(0x00200000, str, &len);
assert(len == 5);
bson_utf8_from_unichar(0x04000000, str, &len);
assert(len == 6);
/*
* Last possible sequence of a certain length.
*/
bson_utf8_from_unichar(0x0000007F, str, &len);
assert(len == 1);
bson_utf8_from_unichar(0x000007FF, str, &len);
assert(len == 2);
bson_utf8_from_unichar(0x0000FFFF, str, &len);
assert(len == 3);
bson_utf8_from_unichar(0x001FFFFF, str, &len);
assert(len == 4);
bson_utf8_from_unichar(0x03FFFFFF, str, &len);
assert(len == 5);
bson_utf8_from_unichar(0x7FFFFFFF, str, &len);
assert(len == 6);
/*
* Other interesting values.
*/
bson_utf8_from_unichar(0x0000D7FF, str, &len);
assert(len == 3);
bson_utf8_from_unichar(0x0000E000, str, &len);
assert(len == 3);
bson_utf8_from_unichar(0x0000FFFD, str, &len);
assert(len == 3);
bson_utf8_from_unichar(0x0010FFFF, str, &len);
assert(len == 4);
bson_utf8_from_unichar(0x00110000, str, &len);
assert(len == 4);
bson_utf8_from_unichar('a', str, &len);
assert(len == 1);
assert(!memcmp(test1, str, 1));
bson_utf8_from_unichar(0xFF, str, &len);
assert(len == 2);
assert(!memcmp(test2, str, 2));
bson_utf8_from_unichar(0x20AC, str, &len);
assert(len == 3);
assert(!memcmp(test3, str, 3));
}
