Closes GH-12.
``O`` (any value) [json_t \*]
Like ``o``, but the argument's reference count is incremented.
- This is useful if you pack and array an array or object and want
- to keep the reference for the JSON value consumed by ``O`` to
+ This is useful if you pack into an array or object and want to
+ keep the reference for the JSON value consumed by ``O`` to
yourself.
``[fmt]`` (array)
{
if(error)
{
- size_t length;
-
error->text[0] = '\0';
error->line = -1;
error->column = -1;
error->position = 0;
+ if(source)
+ jsonp_error_set_source(error, source);
+ else
+ error->source[0] = '\0';
+ }
+}
+
+void jsonp_error_set_source(json_error_t *error, const char *source)
+{
+ if(!error || !source)
+ return;
- length = strlen(source);
- if(length < JSON_ERROR_SOURCE_LENGTH)
- strcpy(error->source, source);
- else {
- size_t extra = length - JSON_ERROR_SOURCE_LENGTH + 4;
- strcpy(error->source, "...");
- strcpy(error->source + 3, source + extra);
- }
+ size_t length = strlen(source);
+ if(length < JSON_ERROR_SOURCE_LENGTH)
+ strcpy(error->source, source);
+ else {
+ size_t extra = length - JSON_ERROR_SOURCE_LENGTH + 4;
+ strcpy(error->source, "...");
+ strcpy(error->source + 3, source + extra);
}
}
const object_key_t *jsonp_object_iter_fullkey(void *iter);
void jsonp_error_init(json_error_t *error, const char *source);
+void jsonp_error_set_source(json_error_t *error, const char *source);
void jsonp_error_set(json_error_t *error, int line, int column,
size_t position, const char *msg, ...);
void jsonp_error_vset(json_error_t *error, int line, int column,
* it under the terms of the MIT license. See LICENSE for details.
*/
+#include <string.h>
#include <jansson.h>
#include "jansson_private.h"
#define type_name(x) type_names[json_typeof(x)]
+static const char *unpack_value_starters = "{[siIbfFOon";
+
+
+static void scanner_init(scanner_t *s, json_error_t *error,
+ size_t flags, const char *fmt)
+{
+ s->error = error;
+ s->flags = flags;
+ s->fmt = s->start = fmt;
+ s->line = 1;
+ s->column = 0;
+}
+
static void next_token(scanner_t *s)
{
const char *t = s->fmt;
s->fmt = t;
}
-static void set_error(scanner_t *s, const char *fmt, ...)
+static void set_error(scanner_t *s, const char *source, const char *fmt, ...)
{
va_list ap;
size_t pos;
pos = (size_t)(s->fmt - s->start);
jsonp_error_vset(s->error, s->line, s->column, pos, fmt, ap);
+ jsonp_error_set_source(s->error, source);
+
va_end(ap);
}
json_t *value;
if(!s->token) {
- set_error(s, "Unexpected end of format string");
+ set_error(s, "<format>", "Unexpected end of format string");
goto error;
}
if(s->token != 's') {
- set_error(s, "Expected format 's', got '%c'\n", *s->fmt);
+ set_error(s, "<format>", "Expected format 's', got '%c'", s->token);
goto error;
}
key = va_arg(*ap, const char *);
if(!key) {
- set_error(s, "NULL object key");
+ set_error(s, "<args>", "NULL object key");
goto error;
}
goto error;
if(json_object_set_new(object, key, value)) {
- set_error(s, "Unable to add key \"%s\"", key);
+ set_error(s, "<internal>", "Unable to add key \"%s\"", key);
goto error;
}
json_t *value;
if(!s->token) {
- set_error(s, "Unexpected end of format string");
+ set_error(s, "<format>", "Unexpected end of format string");
goto error;
}
goto error;
if(json_array_append_new(array, value)) {
- set_error(s, "Unable to append to array");
+ set_error(s, "<internal>", "Unable to append to array");
goto error;
}
{
const char *str = va_arg(*ap, const char *);
if(!str) {
- set_error(s, "NULL string");
+ set_error(s, "<args>", "NULL string argument");
return NULL;
}
return json_string(str);
return va_arg(*ap, json_t *);
default:
- set_error(s, "Unrecognized format character '%c'", s->token);
+ set_error(s, "<format>", "Unexpected format character '%c'",
+ s->token);
return NULL;
}
}
hashtable_t key_set;
if(hashtable_init(&key_set, jsonp_hash_key, jsonp_key_equal, NULL, NULL)) {
- set_error(s, "Out of memory");
+ set_error(s, "<internal>", "Out of memory");
return -1;
}
if(!json_is_object(root)) {
- set_error(s, "Expected object, got %s", type_name(root));
+ set_error(s, "<validation>", "Expected object, got %s",
+ type_name(root));
goto out;
}
next_token(s);
json_t *value;
if(strict != 0) {
- set_error(s, "Expected '}' after '%c', got '%c'",
+ set_error(s, "<format>", "Expected '}' after '%c', got '%c'",
(strict == 1 ? '!' : '*'), s->token);
goto out;
}
if(!s->token) {
- set_error(s, "Unexpected end of format string");
+ set_error(s, "<format>", "Unexpected end of format string");
goto out;
}
}
if(s->token != 's') {
- set_error(s, "Expected format 's', got '%c'\n", *s->fmt);
+ set_error(s, "<format>", "Expected format 's', got '%c'", s->token);
goto out;
}
key = va_arg(*ap, const char *);
if(!key) {
- set_error(s, "NULL object key");
+ set_error(s, "<args>", "NULL object key");
goto out;
}
next_token(s);
value = json_object_get(root, key);
+ if(!value) {
+ set_error(s, "<validation>", "Object item not found: %s", key);
+ goto out;
+ }
+
if(unpack(s, value, ap))
goto out;
if(strict == 1 && key_set.size != json_object_size(root)) {
long diff = (long)json_object_size(root) - (long)key_set.size;
- set_error(s, "%li object items left unpacked", diff);
+ set_error(s, "<validation>", "%li object item(s) left unpacked", diff);
goto out;
}
int strict = 0;
if(!json_is_array(root)) {
- set_error(s, "Expected array, got %s", type_name(root));
+ set_error(s, "<validation>", "Expected array, got %s", type_name(root));
return -1;
}
next_token(s);
json_t *value;
if(strict != 0) {
- set_error(s, "Expected ']' after '%c', got '%c'",
+ set_error(s, "<format>", "Expected ']' after '%c', got '%c'",
(strict == 1 ? '!' : '*'),
s->token);
return -1;
}
if(!s->token) {
- set_error(s, "Unexpected end of format string");
+ set_error(s, "<format>", "Unexpected end of format string");
return -1;
}
continue;
}
+ if(!strchr(unpack_value_starters, s->token)) {
+ set_error(s, "<format>", "Unexpected format character '%c'",
+ s->token);
+ return -1;
+ }
+
value = json_array_get(root, i);
if(!value) {
- set_error(s, "Array index %lu out of range", (unsigned long)i);
+ set_error(s, "<validation>", "Array index %lu out of range",
+ (unsigned long)i);
return -1;
}
if(strict == 1 && i != json_array_size(root)) {
long diff = (long)json_array_size(root) - (long)i;
- set_error(s, "%li array items left upacked", diff);
+ set_error(s, "<validation>", "%li array item(s) left unpacked", diff);
return -1;
}
case 's':
if(!json_is_string(root)) {
- set_error(s, "Expected string, got %s", type_name(root));
+ set_error(s, "<validation>", "Expected string, got %s",
+ type_name(root));
return -1;
}
str = va_arg(*ap, const char **);
if(!str) {
- set_error(s, "NULL string");
+ set_error(s, "<args>", "NULL string argument");
return -1;
}
case 'i':
if(!json_is_integer(root)) {
- set_error(s, "Expected integer, got %s", type_name(root));
+ set_error(s, "<validation>", "Expected integer, got %s",
+ type_name(root));
return -1;
}
case 'I':
if(!json_is_integer(root)) {
- set_error(s, "Expected integer, got %s", type_name(root));
+ set_error(s, "<validation>", "Expected integer, got %s",
+ type_name(root));
return -1;
}
case 'b':
if(!json_is_boolean(root)) {
- set_error(s, "Expected true or false, got %s", type_name(root));
+ set_error(s, "<validation>", "Expected true or false, got %s",
+ type_name(root));
return -1;
}
case 'f':
if(!json_is_real(root)) {
- set_error(s, "Expected real, got %s", type_name(root));
+ set_error(s, "<validation>", "Expected real, got %s",
+ type_name(root));
return -1;
}
case 'F':
if(!json_is_number(root)) {
- set_error(s, "Expected real or integer, got %s",
+ set_error(s, "<validation>", "Expected real or integer, got %s",
type_name(root));
return -1;
}
case 'n':
/* Never assign, just validate */
if(!json_is_null(root)) {
- set_error(s, "Expected null, got %s", type_name(root));
+ set_error(s, "<validation>", "Expected null, got %s",
+ type_name(root));
return -1;
}
return 0;
default:
- set_error(s, "Unknown format character '%c'", s->token);
+ set_error(s, "<format>", "Unexpected format character '%c'",
+ s->token);
return -1;
}
}
va_list ap_copy;
json_t *value;
- jsonp_error_init(error, "");
-
if(!fmt || !*fmt) {
- jsonp_error_set(error, -1, -1, 0, "Null or empty format string");
+ jsonp_error_init(error, "<format>");
+ jsonp_error_set(error, -1, -1, 0, "NULL or empty format string");
return NULL;
}
+ jsonp_error_init(error, NULL);
- s.error = error;
- s.flags = flags;
- s.fmt = s.start = fmt;
- s.line = 1;
- s.column = 0;
-
+ scanner_init(&s, error, flags, fmt);
next_token(&s);
+
va_copy(ap_copy, ap);
value = pack(&s, &ap_copy);
va_end(ap_copy);
+ if(!value)
+ return NULL;
+
next_token(&s);
if(s.token) {
json_decref(value);
- set_error(&s, "Garbage after format string");
+ set_error(&s, "<format>", "Garbage after format string");
return NULL;
}
scanner_t s;
va_list ap_copy;
- jsonp_error_init(error, "");
+ if(!root) {
+ jsonp_error_init(error, "<root>");
+ jsonp_error_set(error, -1, -1, 0, "NULL root value");
+ return -1;
+ }
if(!fmt || !*fmt) {
- jsonp_error_set(error, -1, -1, 0, "Null or empty format string");
+ jsonp_error_init(error, "<format>");
+ jsonp_error_set(error, -1, -1, 0, "NULL or empty format string");
return -1;
}
+ jsonp_error_init(error, NULL);
- s.error = error;
- s.flags = flags;
- s.fmt = s.start = fmt;
- s.line = 1;
- s.column = 0;
-
+ scanner_init(&s, error, flags, fmt);
next_token(&s);
va_copy(ap_copy, ap);
next_token(&s);
if(s.token) {
- set_error(&s, "Garbage after format string");
+ set_error(&s, "<format>", "Garbage after format string");
return -1;
}
*/
/* true */
- value = json_pack_ex(&error, 0, "b", 1);
+ value = json_pack("b", 1);
if(!json_is_true(value))
fail("json_pack boolean failed");
if(value->refcount != (ssize_t)-1)
json_decref(value);
/* false */
- value = json_pack_ex(&error, 0, "b", 0);
+ value = json_pack("b", 0);
if(!json_is_false(value))
fail("json_pack boolean failed");
if(value->refcount != (ssize_t)-1)
json_decref(value);
/* null */
- value = json_pack_ex(&error, 0, "n");
+ value = json_pack("n");
if(!json_is_null(value))
fail("json_pack null failed");
if(value->refcount != (ssize_t)-1)
json_decref(value);
/* integer */
- value = json_pack_ex(&error, 0, "i", 1);
+ value = json_pack("i", 1);
if(!json_is_integer(value) || json_integer_value(value) != 1)
fail("json_pack integer failed");
if(value->refcount != (ssize_t)1)
fail("json_pack integer refcount failed");
json_decref(value);
+ /* integer from json_int_t */
+ value = json_pack("I", (json_int_t)555555);
+ if(!json_is_integer(value) || json_integer_value(value) != 555555)
+ fail("json_pack json_int_t failed");
+ if(value->refcount != (ssize_t)1)
+ fail("json_pack integer refcount failed");
+ json_decref(value);
/* real */
- value = json_pack_ex(&error, 0, "f", 1.0);
+ value = json_pack("f", 1.0);
if(!json_is_real(value) || json_real_value(value) != 1.0)
fail("json_pack real failed");
if(value->refcount != (ssize_t)1)
json_decref(value);
/* string */
- value = json_pack_ex(&error, 0, "s", "test");
+ value = json_pack("s", "test");
if(!json_is_string(value) || strcmp("test", json_string_value(value)))
fail("json_pack string failed");
if(value->refcount != (ssize_t)1)
json_decref(value);
/* empty object */
- value = json_pack_ex(&error, 0, "{}", 1.0);
+ value = json_pack("{}", 1.0);
if(!json_is_object(value) || json_object_size(value) != 0)
fail("json_pack empty object failed");
if(value->refcount != (ssize_t)1)
json_decref(value);
/* empty list */
- value = json_pack_ex(&error, 0, "[]", 1.0);
+ value = json_pack("[]", 1.0);
if(!json_is_array(value) || json_array_size(value) != 0)
fail("json_pack empty list failed");
if(value->refcount != (ssize_t)1)
json_decref(value);
/* non-incref'd object */
- value = json_pack_ex(&error, 0, "o", json_integer(1));
+ value = json_pack("o", json_integer(1));
if(!json_is_integer(value) || json_integer_value(value) != 1)
fail("json_pack object failed");
if(value->refcount != (ssize_t)1)
json_decref(value);
/* incref'd object */
- value = json_pack_ex(&error, 0, "O", json_integer(1));
+ value = json_pack("O", json_integer(1));
if(!json_is_integer(value) || json_integer_value(value) != 1)
fail("json_pack object failed");
if(value->refcount != (ssize_t)2)
json_decref(value);
/* simple object */
- value = json_pack_ex(&error, 0, "{s:[]}", "foo");
+ value = json_pack("{s:[]}", "foo");
if(!json_is_object(value) || json_object_size(value) != 1)
fail("json_pack array failed");
if(!json_is_array(json_object_get(value, "foo")))
json_decref(value);
/* simple array */
- value = json_pack_ex(&error, 0, "[i,i,i]", 0, 1, 2);
+ value = json_pack("[i,i,i]", 0, 1, 2);
if(!json_is_array(value) || json_array_size(value) != 3)
fail("json_pack object failed");
for(i=0; i<3; i++)
json_decref(value);
/* Whitespace; regular string */
- value = json_pack_ex(&error, 0, " s ", "test");
+ value = json_pack(" s ", "test");
if(!json_is_string(value) || strcmp("test", json_string_value(value)))
fail("json_pack string (with whitespace) failed");
json_decref(value);
/* Whitespace; empty array */
- value = json_pack_ex(&error, 0, "[ ]");
+ value = json_pack("[ ]");
if(!json_is_array(value) || json_array_size(value) != 0)
fail("json_pack empty array (with whitespace) failed");
json_decref(value);
/* Whitespace; array */
- value = json_pack_ex(&error, 0, "[ i , i, i ] ", 1, 2, 3);
+ value = json_pack("[ i , i, i ] ", 1, 2, 3);
if(!json_is_array(value) || json_array_size(value) != 3)
fail("json_pack array (with whitespace) failed");
json_decref(value);
* Invalid cases
*/
+ /* newline in format string */
+ if(json_pack_ex(&error, 0, "{\n\n1"))
+ fail("json_pack failed to catch invalid format '1'");
+ check_error("Expected format 's', got '1'", "<format>", 3, 1, 4);
+
/* mismatched open/close array/object */
if(json_pack_ex(&error, 0, "[}"))
fail("json_pack failed to catch mismatched '}'");
- if(error.line != 1 || error.column != 2)
- fail("json_pack didn't get the error coordinates right!");
+ check_error("Unexpected format character '}'", "<format>", 1, 2, 2);
if(json_pack_ex(&error, 0, "{]"))
fail("json_pack failed to catch mismatched ']'");
- if(error.line != 1 || error.column != 2)
- fail("json_pack didn't get the error coordinates right!");
+ check_error("Expected format 's', got ']'", "<format>", 1, 2, 2);
/* missing close array */
if(json_pack_ex(&error, 0, "["))
fail("json_pack failed to catch missing ']'");
- if(error.line != 1 || error.column != 2)
- fail("json_pack didn't get the error coordinates right!");
+ check_error("Unexpected end of format string", "<format>", 1, 2, 2);
/* missing close object */
if(json_pack_ex(&error, 0, "{"))
fail("json_pack failed to catch missing '}'");
- if(error.line != 1 || error.column != 2)
- fail("json_pack didn't get the error coordinates right!");
+ check_error("Unexpected end of format string", "<format>", 1, 2, 2);
+
+ /* garbage after format string */
+ if(json_pack_ex(&error, 0, "[i]a", 42))
+ fail("json_pack failed to catch garbage after format string");
+ check_error("Garbage after format string", "<format>", 1, 4, 4);
+
+ if(json_pack_ex(&error, 0, "ia", 42))
+ fail("json_pack failed to catch garbage after format string");
+ check_error("Garbage after format string", "<format>", 1, 2, 2);
/* NULL string */
if(json_pack_ex(&error, 0, "s", NULL))
fail("json_pack failed to catch null argument string");
- if(error.line != 1 || error.column != 1)
- fail("json_pack didn't get the error coordinates right!");
+ check_error("NULL string argument", "<args>", 1, 1, 1);
/* NULL format */
if(json_pack_ex(&error, 0, NULL))
fail("json_pack failed to catch NULL format string");
- if(error.line != -1 || error.column != -1)
- fail("json_pack didn't get the error coordinates right!");
+ check_error("NULL or empty format string", "<format>", -1, -1, 0);
+
+ /* NULL key */
+ if(json_pack_ex(&error, 0, "{s:i}", NULL, 1))
+ fail("json_pack failed to catch NULL key");
+ check_error("NULL object key", "<args>", 1, 2, 2);
/* More complicated checks for row/columns */
if(json_pack_ex(&error, 0, "{ {}: s }", "foo"))
fail("json_pack failed to catch object as key");
- if(error.line != 1 || error.column != 3)
- fail("json_pack didn't get the error coordinates right!");
+ check_error("Expected format 's', got '{'", "<format>", 1, 3, 3);
+
if(json_pack_ex(&error, 0, "{ s: {}, s:[ii{} }", "foo", "bar", 12, 13))
fail("json_pack failed to catch missing ]");
- if(error.line != 1 || error.column != 19)
- fail("json_pack didn't get the error coordinates right!");
+ check_error("Unexpected format character '}'", "<format>", 1, 19, 19);
if(json_pack_ex(&error, 0, "[[[[[ [[[[[ [[[[ }]]]] ]]]] ]]]]]"))
fail("json_pack failed to catch extra }");
- if(error.line != 1 || error.column != 21)
- fail("json_pack didn't get the error coordinates right!");
+ check_error("Unexpected format character '}'", "<format>", 1, 21, 21);
return 0;
}
{
json_t *j, *j2;
int i1, i2, i3;
+ json_int_t I1;
int rv;
double f;
char *s;
*/
/* true */
- rv = json_unpack_ex(json_true(), &error, 0, "b", &i1);
+ rv = json_unpack(json_true(), "b", &i1);
if(rv || !i1)
fail("json_unpack boolean failed");
/* false */
- rv = json_unpack_ex(json_false(), &error, 0, "b", &i1);
+ rv = json_unpack(json_false(), "b", &i1);
if(rv || i1)
fail("json_unpack boolean failed");
/* null */
- if(json_unpack_ex(json_null(), &error, 0, "n"))
+ if(json_unpack(json_null(), "n"))
fail("json_unpack null failed");
/* integer */
j = json_integer(42);
- rv = json_unpack_ex(j, &error, 0, "i", &i1);
+ rv = json_unpack(j, "i", &i1);
if(rv || i1 != 42)
fail("json_unpack integer failed");
json_decref(j);
+ /* json_int_t */
+ j = json_integer(5555555);
+ rv = json_unpack(j, "I", &I1);
+ if(rv || I1 != 5555555)
+ fail("json_unpack json_int_t failed");
+ json_decref(j);
+
/* real */
j = json_real(1.7);
- rv = json_unpack_ex(j, &error, 0, "f", &f);
+ rv = json_unpack(j, "f", &f);
if(rv || f != 1.7)
fail("json_unpack real failed");
json_decref(j);
+ /* number */
+ j = json_integer(12345);
+ rv = json_unpack(j, "F", &f);
+ if(rv || f != 12345.0)
+ fail("json_unpack (real or) integer failed");
+ json_decref(j);
+
+ j = json_real(1.7);
+ rv = json_unpack(j, "F", &f);
+ if(rv || f != 1.7)
+ fail("json_unpack real (or integer) failed");
+ json_decref(j);
+
/* string */
j = json_string("foo");
- rv = json_unpack_ex(j, &error, 0, "s", &s);
+ rv = json_unpack(j, "s", &s);
if(rv || strcmp(s, "foo"))
fail("json_unpack string failed");
json_decref(j);
/* empty object */
j = json_object();
- if(json_unpack_ex(j, &error, 0, "{}"))
+ if(json_unpack(j, "{}"))
fail("json_unpack empty object failed");
json_decref(j);
/* empty list */
j = json_array();
- if(json_unpack_ex(j, &error, 0, "[]"))
+ if(json_unpack(j, "[]"))
fail("json_unpack empty list failed");
json_decref(j);
/* non-incref'd object */
j = json_object();
- rv = json_unpack_ex(j, &error, 0, "o", &j2);
+ rv = json_unpack(j, "o", &j2);
if(j2 != j || j->refcount != 1)
fail("json_unpack object failed");
json_decref(j);
/* incref'd object */
j = json_object();
- rv = json_unpack_ex(j, &error, 0, "O", &j2);
+ rv = json_unpack(j, "O", &j2);
if(j2 != j || j->refcount != 2)
fail("json_unpack object failed");
json_decref(j);
/* simple object */
j = json_pack("{s:i}", "foo", 42);
- rv = json_unpack_ex(j, &error, 0, "{s:i}", "foo", &i1);
+ rv = json_unpack(j, "{s:i}", "foo", &i1);
if(rv || i1 != 42)
fail("json_unpack simple object failed");
json_decref(j);
/* simple array */
j = json_pack("[iii]", 1, 2, 3);
- rv = json_unpack_ex(j, &error, 0, "[i,i,i]", &i1, &i2, &i3);
+ rv = json_unpack(j, "[i,i,i]", &i1, &i2, &i3);
if(rv || i1 != 1 || i2 != 2 || i3 != 3)
fail("json_unpack simple array failed");
json_decref(j);
* Invalid cases
*/
+ j = json_integer(42);
+ if(!json_unpack_ex(j, &error, 0, "z"))
+ fail("json_unpack succeeded with invalid format character");
+ check_error("Unexpected format character 'z'", "<format>", 1, 1, 1);
+
+ if(!json_unpack_ex(NULL, &error, 0, "[i]"))
+ fail("json_unpack succeeded with NULL root");
+ check_error("NULL root value", "<root>", -1, -1, 0);
+
/* mismatched open/close array/object */
j = json_pack("[]");
if(!json_unpack_ex(j, &error, 0, "[}"))
fail("json_unpack failed to catch mismatched ']'");
+ check_error("Unexpected format character '}'", "<format>", 1, 2, 2);
json_decref(j);
j = json_pack("{}");
if(!json_unpack_ex(j, &error, 0, "{]"))
fail("json_unpack failed to catch mismatched '}'");
+ check_error("Expected format 's', got ']'", "<format>", 1, 2, 2);
json_decref(j);
/* missing close array */
j = json_pack("[]");
if(!json_unpack_ex(j, &error, 0, "["))
fail("json_unpack failed to catch missing ']'");
+ check_error("Unexpected end of format string", "<format>", 1, 2, 2);
json_decref(j);
/* missing close object */
j = json_pack("{}");
if(!json_unpack_ex(j, &error, 0, "{"))
fail("json_unpack failed to catch missing '}'");
+ check_error("Unexpected end of format string", "<format>", 1, 2, 2);
json_decref(j);
+ /* garbage after format string */
+ j = json_pack("[i]", 42);
+ if(!json_unpack_ex(j, &error, 0, "[i]a", &i1))
+ fail("json_unpack failed to catch garbage after format string");
+ check_error("Garbage after format string", "<format>", 1, 4, 4);
+
+ j = json_integer(12345);
+ if(!json_unpack_ex(j, &error, 0, "ia", &i1))
+ fail("json_unpack failed to catch garbage after format string");
+ check_error("Garbage after format string", "<format>", 1, 2, 2);
+
/* NULL format string */
j = json_pack("[]");
if(!json_unpack_ex(j, &error, 0, NULL))
fail("json_unpack failed to catch null format string");
+ check_error("NULL or empty format string", "<format>", -1, -1, 0);
json_decref(j);
/* NULL string pointer */
j = json_string("foobie");
if(!json_unpack_ex(j, &error, 0, "s", NULL))
fail("json_unpack failed to catch null string pointer");
+ check_error("NULL string argument", "<args>", 1, 1, 1);
+ json_decref(j);
+
+ /* invalid types */
+ j = json_integer(42);
+ j2 = json_string("foo");
+ if(!json_unpack_ex(j, &error, 0, "s"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected string, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "n"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected null, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "b"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected true or false, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j2, &error, 0, "i"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected integer, got string", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j2, &error, 0, "I"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected integer, got string", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "f"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected real, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j2, &error, 0, "F"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected real or integer, got string", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "[i]"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected array, got integer", "<validation>", 1, 1, 1);
+
+ if(!json_unpack_ex(j, &error, 0, "{si}", "foo"))
+ fail("json_unpack failed to catch invalid type");
+ check_error("Expected object, got integer", "<validation>", 1, 1, 1);
+
+ json_decref(j);
+ json_decref(j2);
+
+ /* Array index out of range */
+ j = json_pack("[i]", 1);
+ if(!json_unpack_ex(j, &error, 0, "[ii]", &i1, &i2))
+ fail("json_unpack failed to catch index out of array bounds");
+ check_error("Array index 1 out of range", "<validation>", 1, 3, 3);
+ json_decref(j);
+
+ /* NULL object key */
+ j = json_pack("{si}", "foo", 42);
+ if(!json_unpack_ex(j, &error, 0, "{si}", NULL, &i1))
+ fail("json_unpack failed to catch null string pointer");
+ check_error("NULL object key", "<args>", 1, 2, 2);
+ json_decref(j);
+
+ /* Object key not found */
+ j = json_pack("{si}", "foo", 42);
+ if(!json_unpack_ex(j, &error, 0, "{si}", "baz", &i1))
+ fail("json_unpack failed to catch null string pointer");
+ check_error("Object item not found: baz", "<validation>", 1, 3, 3);
+ json_decref(j);
+
+ /*
+ * Strict validation
+ */
+
+ j = json_pack("[iii]", 1, 2, 3);
+ rv = json_unpack(j, "[iii!]", &i1, &i2, &i3);
+ if(rv || i1 != 1 || i2 != 2 || i3 != 3)
+ fail("json_unpack array with strict validation failed");
+ json_decref(j);
+
+ j = json_pack("[iii]", 1, 2, 3);
+ if(!json_unpack_ex(j, &error, 0, "[ii!]", &i1, &i2))
+ fail("json_unpack array with strict validation failed");
+ check_error("1 array item(s) left unpacked", "<validation>", 1, 5, 5);
+ json_decref(j);
+
+ /* Like above, but with JSON_STRICT instead of '!' format */
+ j = json_pack("[iii]", 1, 2, 3);
+ if(!json_unpack_ex(j, &error, JSON_STRICT, "[ii]", &i1, &i2))
+ fail("json_unpack array with strict validation failed");
+ check_error("1 array item(s) left unpacked", "<validation>", 1, 4, 4);
+ json_decref(j);
+
+ j = json_pack("{s:s, s:i}", "foo", "bar", "baz", 42);
+ rv = json_unpack(j, "{sssi!}", "foo", &s, "baz", &i1);
+ if(rv || strcmp(s, "bar") != 0 || i1 != 42)
+ fail("json_unpack object with strict validation failed");
+ json_decref(j);
+
+ /* Unpack the same item twice */
+ j = json_pack("{s:s, s:i}", "foo", "bar", "baz", 42);
+ if(!json_unpack_ex(j, &error, 0, "{s:s,s:s!}", "foo", &s, "foo", &s))
+ fail("json_unpack object with strict validation failed");
+ check_error("1 object item(s) left unpacked", "<validation>", 1, 10, 10);
+ json_decref(j);
+
+ j = json_pack("[i,{s:i,s:n},[i,i]]", 1, "foo", 2, "bar", 3, 4);
+ if(json_unpack_ex(j, NULL, JSON_STRICT | JSON_VALIDATE_ONLY,
+ "[i{sisn}[ii]]", "foo", "bar"))
+ fail("json_unpack complex value with strict validation failed");
+ json_decref(j);
+
+ /* ! and * must be last */
+ j = json_pack("[ii]", 1, 2);
+ if(!json_unpack_ex(j, &error, 0, "[i!i]", &i1, &i2))
+ fail("json_unpack failed to catch ! in the middle of an array");
+ check_error("Expected ']' after '!', got 'i'", "<format>", 1, 4, 4);
+
+ if(!json_unpack_ex(j, &error, 0, "[i*i]", &i1, &i2))
+ fail("json_unpack failed to catch * in the middle of an array");
+ check_error("Expected ']' after '*', got 'i'", "<format>", 1, 4, 4);
+ json_decref(j);
+
+ j = json_pack("{sssi}", "foo", "bar", "baz", 42);
+ if(!json_unpack_ex(j, &error, 0, "{ss!si}", "foo", &s, "baz", &i1))
+ fail("json_unpack failed to catch ! in the middle of an object");
+ check_error("Expected '}' after '!', got 's'", "<format>", 1, 5, 5);
+
+ if(!json_unpack_ex(j, &error, 0, "{ss*si}", "foo", &s, "baz", &i1))
+ fail("json_unpack failed to catch ! in the middle of an object");
+ check_error("Expected '}' after '*', got 's'", "<format>", 1, 5, 5);
+ json_decref(j);
+
+ /* Error in nested object */
+ j = json_pack("{s{snsn}}", "foo", "bar", "baz");
+ if(!json_unpack_ex(j, &error, 0, "{s{sn!}}", "foo", "bar"))
+ fail("json_unpack nested object with strict validation failed");
+ check_error("1 object item(s) left unpacked", "<validation>", 1, 7, 7);
+ json_decref(j);
+
+ /* Error in nested array */
+ j = json_pack("[[ii]]", 1, 2);
+ if(!json_unpack_ex(j, &error, 0, "[[i!]]", &i1))
+ fail("json_unpack nested array with strict validation failed");
+ check_error("1 array item(s) left unpacked", "<validation>", 1, 5, 5);
json_decref(j);
return 0;
* it under the terms of the MIT license. See LICENSE for details.
*/
-#ifndef TESTPROGS_UTIL_H
-#define TESTPROGS_UTIL_H
+#ifndef UTIL_H
+#define UTIL_H
+#include <stdio.h>
#include <stdlib.h>
+#include <jansson.h>
+
+#define failhdr fprintf(stderr, "%s:%s:%d: ", __FILE__, __FUNCTION__, __LINE__)
#define fail(msg) \
do { \
- fprintf(stderr, "%s:%s:%d: %s\n", \
- __FILE__, __FUNCTION__, __LINE__, msg); \
+ failhdr; \
+ fprintf(stderr, "%s\n", msg); \
exit(1); \
} while(0)
+/* Assumes json_error_t error */
+#define check_error(text_, source_, line_, column_, position_) \
+ do { \
+ if(strcmp(error.text, text_) != 0) { \
+ failhdr; \
+ fprintf(stderr, "text: \"%s\" != \"%s\"\n", error.text, text_); \
+ exit(1); \
+ } \
+ if(strcmp(error.source, source_) != 0) { \
+ failhdr; \
+ \
+ fprintf(stderr, "source: \"%s\" != \"%s\"\n", error.source, source_); \
+ exit(1); \
+ } \
+ if(error.line != line_) { \
+ failhdr; \
+ fprintf(stderr, "line: %d != %d\n", error.line, line_); \
+ exit(1); \
+ } \
+ if(error.column != column_) { \
+ failhdr; \
+ fprintf(stderr, "column: %d != %d\n", error.column, column_); \
+ exit(1); \
+ } \
+ if(error.position != position_) { \
+ failhdr; \
+ fprintf(stderr, "position: %d != %d\n", error.position, position_); \
+ exit(1); \
+ } \
+ } while(0)
+
#endif