END_TEST
START_TEST(Read_valid_string)
{
static const struct
{
const char* data;
const char* expected;
}
strings[] =
{
{ "\"\"", "" },
{ "\" \"", " " },
{ "\" \"", " " },
{ "\"\\\"\"", "\"" },
{ "\"\\\\\"", "\\" },
{ "\"\\/\"", "/" },
{ "\"/\"", "/" },
/*
{ "\"\\b\"", "\b" },
{ "\"\\f\"", "\f" },
{ "\"\\n\"", "\n" },
{ "\"\\r\"", "\r" },
{ "\"\\t\"", "\t" },
*/
{ "\"abc def\"", "abc def" },
};
for (size_t i = 0; i < arr_size(strings); ++i)
{
char data[128] = "";
sprintf(data, "%s x", strings[i].data);
Streader* sr = init_with_cstr(data);
char result[128] = "zzz";
fail_if(!Streader_read_string(sr, 128, result),
"Could not read string `%s`: %s",
data, Streader_get_error_desc(sr));
fail_if(strcmp(result, strings[i].expected) != 0,
"Streader stored `%s` instead of `%s`",
result, strings[i].expected);
fail_if(!Streader_match_char(sr, 'x'),
"Streader did not consume string `%s` correctly");
}
}
bool Streader_read_dict(Streader* sr, Dict_item_reader ir, void* userdata)
{
rassert(sr != NULL);
if (Streader_is_error_set(sr))
return false;
// Check opening brace
if (!(Streader_skip_whitespace(sr) && Streader_match_char(sr, '{')))
{
Streader_set_error(sr, "Expected a dictionary opening brace");
return false;
}
// Check empty dictionary
if (Streader_try_match_char(sr, '}'))
return true;
if (ir == NULL)
{
Streader_set_error(sr, "Expected an empty dictionary");
return false;
}
// Read key/value pairs
do
{
char key[STREADER_DICT_KEY_LENGTH_MAX + 1] = "";
if (!(Streader_read_string(sr, STREADER_DICT_KEY_LENGTH_MAX + 1, key) &&
Streader_match_char(sr, ':') &&
ir(sr, key, userdata)))
return false;
} while (Streader_try_match_char(sr, ','));
// Check closing brace
if (!Streader_match_char(sr, '}'))
{
Streader_set_error(sr, "Expected a dictionary closing brace");
return false;
}
return true;
}
static bool read_expressions_def(Streader* sr, const char* key, void* userdata)
{
rassert(sr != NULL);
rassert(key != NULL);
rassert(userdata != NULL);
Au_expressions* ae = userdata;
if (string_eq(key, "default_note_expr"))
{
char expr[KQT_VAR_NAME_MAX + 1] = "";
if (!Streader_read_string(sr, KQT_VAR_NAME_MAX + 1, expr))
return false;
if ((expr[0] != '\0') && !is_valid_var_name(expr))
{
Streader_set_error(sr, "Invalid default note expression: %s", expr);
return false;
}
strcpy(ae->default_note_expr, expr);
}
else if (string_eq(key, "expressions"))
{
if (!Streader_read_dict(sr, read_expressions, ae))
{
rassert(Streader_is_error_set(sr));
return false;
}
}
else
{
Streader_set_error(sr, "Unexpected key in expression specification: %s", key);
return false;
}
return true;
}
END_TEST
START_TEST(Reading_invalid_string_fails)
{
const char* data[] =
{
"abc\"",
"\"abc",
"abc",
"\"\\z\"",
"\"\n\"",
};
for (size_t i = 0; i < arr_size(data); ++i)
{
Streader* sr = init_with_cstr(data[i]);
char str[128] = "";
fail_if(Streader_read_string(sr, 128, str),
"Streader accepted `%s` as a valid string",
data[i]);
}
}
bool read_received_events_bind(Streader* sr, int32_t index, void* userdata)
{
assert(sr != NULL);
(void)index;
assert(userdata != NULL);
int32_t* expected = userdata;
double actual = NAN;
if (index == 0 && *expected == 0)
{
return Streader_readf(sr, "[0, [") &&
Streader_match_string(sr, "#") &&
Streader_match_char(sr, ',') &&
Streader_read_string(sr, 0, NULL) &&
Streader_readf(sr, "]]");
}
if (!(Streader_readf(sr, "[0, [") &&
Streader_match_string(sr, "n+") &&
Streader_readf(sr, ", %f]]", &actual))
)
return false;
if ((int)round(actual) != *expected)
{
Streader_set_error(
sr,
"Received argument %.0f instead of %" PRId32,
actual, *expected);
return false;
}
*expected = (int)round(actual) + 1;
return true;
}
bool Streader_readf(Streader* sr, const char* format, ...)
{
rassert(sr != NULL);
rassert(format != NULL);
va_list args;
va_start(args, format);
while (!Streader_is_error_set(sr) && *format != '\0')
{
if (*format == '%')
{
// Conversion characters
++format;
switch (*format)
{
case 'n':
{
Streader_read_null(sr);
}
break;
case 'b':
{
bool* dest = va_arg(args, bool*);
Streader_read_bool(sr, dest);
}
break;
case 'i':
{
int64_t* dest = va_arg(args, int64_t*);
Streader_read_int(sr, dest);
}
break;
case 'f':
{
double* dest = va_arg(args, double*);
Streader_read_float(sr, dest);
}
break;
case 's':
{
Streader_readf_str_info info =
va_arg(args, Streader_readf_str_info);
rassert(info.guard == Streader_readf_str_guard);
const int64_t max_bytes = info.max_bytes;
char* dest = info.dest;
Streader_read_string(sr, max_bytes, dest);
}
break;
case 't':
{
Tstamp* dest = va_arg(args, Tstamp*);
Streader_read_tstamp(sr, dest);
}
break;
case 'p':
{
Pat_inst_ref* dest = va_arg(args, Pat_inst_ref*);
Streader_read_piref(sr, dest);
}
break;
case 'l':
{
List_item_reader* ir = va_arg(args, List_item_reader*);
void* userdata = va_arg(args, void*);
Streader_read_list(sr, ir, userdata);
}
break;
case 'd':
{
Dict_item_reader* ir = va_arg(args, Dict_item_reader*);
void* userdata = va_arg(args, void*);
Streader_read_dict(sr, ir, userdata);
}
break;
case '%':
{
Streader_match_char(sr, '%');
}
break;
default:
rassert(false);
}
}
else
{
// Characters to be matched
if (!isspace(*format))
