jv jv_has(jv t, jv k) {
assert(jv_is_valid(t));
assert(jv_is_valid(k));
jv ret;
if (jv_get_kind(t) == JV_KIND_NULL) {
jv_free(t);
jv_free(k);
ret = jv_false();
} else if (jv_get_kind(t) == JV_KIND_OBJECT &&
jv_get_kind(k) == JV_KIND_STRING) {
jv elem = jv_object_get(t, k);
ret = jv_bool(jv_is_valid(elem));
jv_free(elem);
} else if (jv_get_kind(t) == JV_KIND_ARRAY &&
jv_get_kind(k) == JV_KIND_NUMBER) {
jv elem = jv_array_get(t, (int)jv_number_value(k));
ret = jv_bool(jv_is_valid(elem));
jv_free(elem);
} else {
ret = jv_invalid_with_msg(jv_string_fmt("Cannot check whether %s has a %s key",
jv_kind_name(jv_get_kind(t)),
jv_kind_name(jv_get_kind(k))));
jv_free(t);
jv_free(k);
}
return ret;
}
jv jv_get(jv t, jv k) {
jv v;
if (jv_get_kind(t) == JV_KIND_OBJECT && jv_get_kind(k) == JV_KIND_STRING) {
v = jv_object_get(t, k);
if (!jv_is_valid(v)) {
jv_free(v);
v = jv_null();
}
} else if (jv_get_kind(t) == JV_KIND_ARRAY && jv_get_kind(k) == JV_KIND_NUMBER) {
// FIXME: don't do lookup for noninteger index
v = jv_array_get(t, (int)jv_number_value(k));
if (!jv_is_valid(v)) {
jv_free(v);
v = jv_null();
}
} else if (jv_get_kind(t) == JV_KIND_NULL &&
(jv_get_kind(k) == JV_KIND_STRING || jv_get_kind(k) == JV_KIND_NUMBER)) {
jv_free(t);
jv_free(k);
v = jv_null();
} else {
v = jv_invalid_with_msg(jv_string_fmt("Cannot index %s with %s",
jv_kind_name(jv_get_kind(t)),
jv_kind_name(jv_get_kind(k))));
jv_free(t);
jv_free(k);
}
return v;
}
jv jv_get(jv t, jv k) {
jv v;
if (jv_get_kind(t) == JV_KIND_OBJECT && jv_get_kind(k) == JV_KIND_STRING) {
v = jv_object_get(t, k);
if (!jv_is_valid(v)) {
jv_free(v);
v = jv_null();
}
} else if (jv_get_kind(t) == JV_KIND_ARRAY && jv_get_kind(k) == JV_KIND_NUMBER) {
if(jv_is_integer(k)){
v = jv_array_get(t, (int)jv_number_value(k));
if (!jv_is_valid(v)) {
jv_free(v);
v = jv_null();
}
} else {
jv_free(t);
jv_free(k);
v = jv_null();
}
} else if (jv_get_kind(t) == JV_KIND_ARRAY && jv_get_kind(k) == JV_KIND_OBJECT) {
int start, end;
if (parse_slice(t, k, &start, &end)) {
v = jv_array_slice(t, start, end);
} else {
v = jv_invalid_with_msg(jv_string_fmt("Start and end indices of an array slice must be numbers"));
jv_free(t);
}
} else if (jv_get_kind(t) == JV_KIND_STRING && jv_get_kind(k) == JV_KIND_OBJECT) {
int start, end;
if (parse_slice(t, k, &start, &end)) {
v = jv_string_slice(t, start, end);
} else {
v = jv_invalid_with_msg(jv_string_fmt("Start and end indices of an string slice must be numbers"));
jv_free(t);
}
} else if (jv_get_kind(t) == JV_KIND_STRING && jv_get_kind(k) == JV_KIND_STRING) {
v = jv_string_indexes(t, k);
} else if (jv_get_kind(t) == JV_KIND_ARRAY && jv_get_kind(k) == JV_KIND_ARRAY) {
v = jv_array_indexes(t, k);
} else if (jv_get_kind(t) == JV_KIND_NULL &&
(jv_get_kind(k) == JV_KIND_STRING ||
jv_get_kind(k) == JV_KIND_NUMBER ||
jv_get_kind(k) == JV_KIND_OBJECT)) {
jv_free(t);
jv_free(k);
v = jv_null();
} else {
v = jv_invalid_with_msg(jv_string_fmt("Cannot index %s with %s",
jv_kind_name(jv_get_kind(t)),
jv_kind_name(jv_get_kind(k))));
jv_free(t);
jv_free(k);
}
return v;
}
void locfile_locate(struct locfile* l, location loc, const char* fmt, ...) {
jq_err_cb cb;
void *cb_data;
va_list fmtargs;
va_start(fmtargs, fmt);
int startline;
int offset;
if (loc.start != -1) {
startline = locfile_get_line(l, loc.start);
offset = l->linemap[startline];
}
jq_get_error_cb(l->jq, &cb, &cb_data);
jv m1 = jv_string_vfmt(fmt, fmtargs);
if (!jv_is_valid(m1)) {
jv_free(m1);
goto enomem;
}
jv m2;
if (loc.start == -1) {
m2 = jv_string_fmt("%s\n<unknown location>", jv_string_value(m1));
if (cb)
cb(cb_data, m2);
else
fprintf(stderr, "%s", jv_string_value(m2));
jv_free(m1);
jv_free(m2);
return;
}
m2 = jv_string_fmt("%s\n%.*s%*s", jv_string_value(m1),
locfile_line_length(l, startline), l->data + offset,
loc.start - offset, "");
jv_free(m1);
if (!jv_is_valid(m2)) {
jv_free(m2);
goto enomem;
}
if (cb)
cb(cb_data, m2);
else
fprintf(stderr, "%s", jv_string_value(m2));
jv_free(m2);
return;
enomem:
if (cb != NULL)
cb(cb_data, jv_invalid());
else if (errno == ENOMEM || errno == 0)
fprintf(stderr, "Error formatting jq compilation error: %s", strerror(errno ? errno : ENOMEM));
else
fprintf(stderr, "Error formatting jq compilation error: %s", strerror(errno));
return;
}
static void
php_jq_filter(zval **return_value, jq_state *jq, jv json, int flags TSRMLS_DC)
{
jv result;
jq_start(jq, jv_copy(json), 0);
if (jv_is_valid(result = jq_next(jq))) {
int multiple = 0;
while (1) {
zval *zv;
ALLOC_INIT_ZVAL(zv);
if (flags == JQ_OPT_RAW) {
if (jv_get_kind(result) == JV_KIND_STRING) {
ZVAL_STRING(zv, jv_string_value(result), 1);
} else {
jv dump = jv_dump_string(result, 0);
if (jv_is_valid(dump)) {
ZVAL_STRING(zv, jv_string_value(dump), 1);
}
jv_free(dump);
}
} else {
php_jv_dump(&zv, result TSRMLS_CC);
}
if (!jv_is_valid(result = jq_next(jq))) {
if (multiple) {
zend_hash_next_index_insert(Z_ARRVAL_PP(return_value),
&zv, sizeof(zv), NULL);
} else {
ZVAL_ZVAL(*return_value, zv, 1, 1);
}
break;
}
if (!multiple) {
multiple = 1;
array_init(*return_value);
}
zend_hash_next_index_insert(Z_ARRVAL_PP(return_value),
&zv, sizeof(zv), NULL);
}
} else {
jv_free(result);
if (PHP_JQ_G(display_errors)) {
PHP_JQ_ERR(E_WARNING, "filter parse error");
}
ZVAL_BOOL(*return_value, 0);
}
}
static void
php_jq_err_cb(void *data, jv err)
{
TSRMLS_FETCH();
if (jv_is_valid(err) && PHP_JQ_G(display_errors)) {
jv dump = jv_dump_string(jv_copy(err), 0);
if (jv_is_valid(dump)) {
PHP_JQ_ERR(E_WARNING, jv_string_value(dump));
}
jv_free(dump);
}
}
void locfile_locate(struct locfile* l, location loc, const char* fmt, ...) {
va_list fmtargs;
va_start(fmtargs, fmt);
int startline;
int offset;
if (loc.start != -1) {
startline = locfile_get_line(l, loc.start);
offset = l->linemap[startline];
}
jv m1 = jv_string_vfmt(fmt, fmtargs);
if (!jv_is_valid(m1)) {
jq_report_error(l->jq, m1);
return;
}
if (loc.start == -1) {
jq_report_error(l->jq, jv_string_fmt("jq: error: %s\n<unknown location>", jv_string_value(m1)));
jv_free(m1);
return;
}
jv m2 = jv_string_fmt("%s\n%.*s%*s", jv_string_value(m1),
locfile_line_length(l, startline), l->data + offset,
loc.start - offset, "");
jv_free(m1);
jq_report_error(l->jq, m2);
return;
}
static void process(jv value, int flags) {
jq_state *jq = NULL;
jq_init(bc, value, &jq, flags);
jv result;
while (jv_is_valid(result = jq_next(jq))) {
if ((options & RAW_OUTPUT) && jv_get_kind(result) == JV_KIND_STRING) {
fwrite(jv_string_value(result), 1, jv_string_length_bytes(jv_copy(result)), stdout);
jv_free(result);
} else {
int dumpopts;
/* Disable colour by default on Windows builds as Windows
terminals tend not to display it correctly */
#ifdef WIN32
dumpopts = 0;
#else
dumpopts = isatty(fileno(stdout)) ? JV_PRINT_COLOUR : 0;
#endif
if (!(options & COMPACT_OUTPUT)) dumpopts |= JV_PRINT_PRETTY;
if (options & ASCII_OUTPUT) dumpopts |= JV_PRINT_ASCII;
if (options & COLOUR_OUTPUT) dumpopts |= JV_PRINT_COLOUR;
if (options & NO_COLOUR_OUTPUT) dumpopts &= ~JV_PRINT_COLOUR;
jv_dump(result, dumpopts);
}
printf("\n");
}
jv_free(result);
jq_teardown(&jq);
}
jv jv_set(jv t, jv k, jv v) {
if (!jv_is_valid(v)) {
jv_free(t);
jv_free(k);
return v;
}
int isnull = jv_get_kind(t) == JV_KIND_NULL;
if (jv_get_kind(k) == JV_KIND_STRING &&
(jv_get_kind(t) == JV_KIND_OBJECT || isnull)) {
if (isnull) t = jv_object();
t = jv_object_set(t, k, v);
} else if (jv_get_kind(k) == JV_KIND_NUMBER &&
(jv_get_kind(t) == JV_KIND_ARRAY || isnull)) {
if (isnull) t = jv_array();
t = jv_array_set(t, (int)jv_number_value(k), v);
} else {
jv err = jv_invalid_with_msg(jv_string_fmt("Cannot update field at %s index of %s",
jv_kind_name(jv_get_kind(t)),
jv_kind_name(jv_get_kind(v))));
jv_free(t);
jv_free(k);
jv_free(v);
t = err;
}
return t;
}
// assumes keys is a sorted array
jv jv_dels(jv t, jv keys) {
assert(jv_get_kind(keys) == JV_KIND_ARRAY);
assert(jv_is_valid(t));
if (jv_get_kind(t) == JV_KIND_NULL || jv_array_length(jv_copy(keys)) == 0) {
// no change
} else if (jv_get_kind(t) == JV_KIND_ARRAY) {
// extract slices, they must be handled differently
jv orig_keys = keys;
keys = jv_array();
jv new_array = jv_array();
jv starts = jv_array(), ends = jv_array();
jv_array_foreach(orig_keys, i, key) {
if (jv_get_kind(key) == JV_KIND_NUMBER) {
keys = jv_array_append(keys, key);
} else if (jv_get_kind(key) == JV_KIND_OBJECT) {
int start, end;
if (parse_slice(t, key, &start, &end)) {
starts = jv_array_append(starts, jv_number(start));
ends = jv_array_append(ends, jv_number(end));
} else {
jv_free(new_array);
jv_free(key);
new_array = jv_invalid_with_msg(jv_string_fmt("Start and end indices of an array slice must be numbers"));
goto arr_out;
}
} else {
jv_free(new_array);
new_array = jv_invalid_with_msg(jv_string_fmt("Cannot delete %s element of array",
jv_kind_name(jv_get_kind(key))));
jv_free(key);
goto arr_out;
}
}
int kidx = 0;
jv_array_foreach(t, i, elem) {
int del = 0;
while (kidx < jv_array_length(jv_copy(keys))) {
int delidx = (int)jv_number_value(jv_array_get(jv_copy(keys), kidx));
if (i == delidx) {
del = 1;
}
if (i < delidx) {
break;
}
kidx++;
}
for (int sidx=0; !del && sidx<jv_array_length(jv_copy(starts)); sidx++) {
if ((int)jv_number_value(jv_array_get(jv_copy(starts), sidx)) <= i &&
i < (int)jv_number_value(jv_array_get(jv_copy(ends), sidx))) {
del = 1;
}
}
if (!del)
new_array = jv_array_append(new_array, elem);
else
jv_free(elem);
}
void print_error(jv value) {
assert(!jv_is_valid(value));
jv msg = jv_invalid_get_msg(value);
if (jv_get_kind(msg) == JV_KIND_STRING) {
fprintf(stderr, "jq: error: %s\n", jv_string_value(msg));
}
jv_free(msg);
}
static int check_done(struct jv_parser* p, jv* out) {
if (p->stackpos == 0 && jv_is_valid(p->next)) {
*out = p->next;
p->next = jv_invalid();
return 1;
} else {
return 0;
}
}
jv stack_pop(jq_state *jq) {
jv* sval = stack_block(&jq->stk, jq->stk_top);
jv val = *sval;
if (!stack_pop_will_free(&jq->stk, jq->stk_top)) {
val = jv_copy(val);
}
jq->stk_top = stack_pop_block(&jq->stk, jq->stk_top, sizeof(jv));
assert(jv_is_valid(val));
return val;
}
jv stack_pop(jq_state *jq) {
data_stk_elem* s = forkable_stack_peek(&jq->data_stk);
jv val = s->val;
if (!forkable_stack_pop_will_free(&jq->data_stk)) {
val = jv_copy(val);
}
forkable_stack_pop(&jq->data_stk);
assert(jv_is_valid(val));
return val;
}
jv jv_parse_sized(const char* string, int length) {
struct jv_parser parser;
parser_init(&parser);
jv_parser_set_buf(&parser, string, length, 0);
jv value = jv_parser_next(&parser);
if (jv_is_valid(value)) {
jv next = jv_parser_next(&parser);
if (jv_is_valid(next)) {
// multiple JSON values, we only wanted one
jv_free(value);
jv_free(next);
value = jv_invalid_with_msg(jv_string("Unexpected extra JSON values"));
} else if (jv_invalid_has_msg(jv_copy(next))) {
// parser error after the first JSON value
jv_free(value);
value = next;
} else {
// a single valid JSON value
jv_free(next);
}
} else if (jv_invalid_has_msg(jv_copy(value))) {
// parse error, we'll return it
} else {
// no value at all
jv_free(value);
value = jv_invalid_with_msg(jv_string("Expected JSON value"));
}
parser_free(&parser);
if (!jv_is_valid(value) && jv_invalid_has_msg(jv_copy(value))) {
jv msg = jv_invalid_get_msg(value);
value = jv_invalid_with_msg(jv_string_fmt("%s (while parsing '%s')",
jv_string_value(msg),
string));
jv_free(msg);
}
return value;
}
static int process(jq_state *jq, jv value, int flags) {
int ret = 14; // No valid results && -e -> exit(4)
jq_start(jq, value, flags);
jv result;
while (jv_is_valid(result = jq_next(jq))) {
if ((options & RAW_OUTPUT) && jv_get_kind(result) == JV_KIND_STRING) {
fwrite(jv_string_value(result), 1, jv_string_length_bytes(jv_copy(result)), stdout);
ret = 0;
jv_free(result);
} else {
int dumpopts;
/* Disable colour by default on Windows builds as Windows
terminals tend not to display it correctly */
#ifdef WIN32
dumpopts = 0;
#else
dumpopts = isatty(fileno(stdout)) ? JV_PRINT_COLOUR : 0;
#endif
if (options & SORTED_OUTPUT) dumpopts |= JV_PRINT_SORTED;
if (!(options & COMPACT_OUTPUT)) dumpopts |= JV_PRINT_PRETTY;
if (options & ASCII_OUTPUT) dumpopts |= JV_PRINT_ASCII;
if (options & COLOUR_OUTPUT) dumpopts |= JV_PRINT_COLOUR;
if (options & NO_COLOUR_OUTPUT) dumpopts &= ~JV_PRINT_COLOUR;
if (jv_get_kind(result) == JV_KIND_FALSE || jv_get_kind(result) == JV_KIND_NULL)
ret = 11;
else
ret = 0;
jv_dump(result, dumpopts);
}
if (!(options & RAW_NO_LF))
printf("\n");
if (options & UNBUFFERED_OUTPUT)
fflush(stdout);
}
if (jv_invalid_has_msg(jv_copy(result))) {
// Uncaught jq exception
jv msg = jv_invalid_get_msg(jv_copy(result));
if (jv_get_kind(msg) == JV_KIND_STRING) {
fprintf(stderr, "jq: error: %s\n", jv_string_value(msg));
} else {
msg = jv_dump_string(msg, 0);
fprintf(stderr, "jq: error (not a string): %s\n", jv_string_value(msg));
}
jv_free(msg);
}
jv_free(result);
return ret;
}
static void process(jv value) {
jq_init(bc, value);
jv result;
while (jv_is_valid(result = jq_next())) {
if ((options & RAW_OUTPUT) && jv_get_kind(result) == JV_KIND_STRING) {
fwrite(jv_string_value(result), 1, jv_string_length(jv_copy(result)), stdout);
} else {
int dumpopts = 0;
if (!(options & COMPACT_OUTPUT)) dumpopts |= JV_PRINT_PRETTY;
if (options & ASCII_OUTPUT) dumpopts |= JV_PRINT_ASCII;
jv_dump(result, dumpopts);
}
printf("\n");
}
jv_free(result);
jq_teardown();
}
static void print_error(jq_state *jq, jv value) {
assert(!jv_is_valid(value));
jv msg = jv_invalid_get_msg(value);
jv msg2;
if (jv_get_kind(msg) == JV_KIND_STRING)
msg2 = jv_string_fmt("jq: error: %s", jv_string_value(msg));
else
msg2 = jv_string_fmt("jq: error: <unknown>");
jv_free(msg);
if (jq->err_cb)
jq->err_cb(jq->err_cb_data, msg2);
else if (jv_get_kind(msg2) == JV_KIND_STRING)
fprintf(stderr, "%s\n", jv_string_value(msg2));
else
fprintf(stderr, "jq: error: %s\n", strerror(ENOMEM));
jv_free(msg2);
}
static void
php_jq_exec(zval **return_value,
char *str, int str_len, char *filter, int filter_len,
long flags TSRMLS_DC)
{
jq_state *jq = php_jq_init();
jv json, result;
if (!jq) {
PHP_JQ_EXCEPTION(0, "jq object has not been correctly initialized "
"by its constructor");
ZVAL_BOOL(*return_value, 0);
return;
}
json = jv_parse_sized(str, str_len);
if (!jv_is_valid(json)) {
jv_free(json);
jq_teardown(&jq);
if (PHP_JQ_G(display_errors)) {
PHP_JQ_ERR(E_WARNING, "load json parse error");
}
ZVAL_BOOL(*return_value, 0);
return;
}
filter[filter_len] = 0;
if (!jq_compile(jq, filter)) {
jv_free(json);
jq_teardown(&jq);
if (PHP_JQ_G(display_errors)) {
PHP_JQ_ERR(E_WARNING, "filter compile error");
}
ZVAL_BOOL(*return_value, 0);
return;
}
php_jq_filter(return_value, jq, json, flags TSRMLS_CC);
jv_free(json);
jq_teardown(&jq);
}
static int process_extra_opt(jq_state *jq, jv value, int flags, int dumpopts, jv_extra_opt *extra_opt) {
int ret = 14; // No valid results && -e -> exit(4)
jq_start(jq, value, flags);
jv result;
while (jv_is_valid(result = jq_next(jq))) {
if ((options & RAW_OUTPUT) && jv_get_kind(result) == JV_KIND_STRING) {
fwrite(jv_string_value(result), 1, jv_string_length_bytes(jv_copy(result)), stdout);
ret = 0;
jv_free(result);
} else {
if (jv_get_kind(result) == JV_KIND_FALSE || jv_get_kind(result) == JV_KIND_NULL)
ret = 11;
else
ret = 0;
if (options & SEQ)
priv_fwrite("\036", 1, stdout, dumpopts & JV_PRINT_ISATTY);
jv_dump_extra_opt(result, dumpopts, extra_opt);
}
if (!(options & RAW_NO_LF))
priv_fwrite("\n", 1, stdout, dumpopts & JV_PRINT_ISATTY);
if (options & UNBUFFERED_OUTPUT)
fflush(stdout);
}
if (jv_invalid_has_msg(jv_copy(result))) {
// Uncaught jq exception
jv msg = jv_invalid_get_msg(jv_copy(result));
jv input_pos = jq_util_input_get_position(jq);
if (jv_get_kind(msg) == JV_KIND_STRING) {
fprintf(stderr, "jq: error (at %s): %s\n",
jv_string_value(input_pos), jv_string_value(msg));
} else {
msg = jv_dump_string(msg, 0);
fprintf(stderr, "jq: error (at %s) (not a string): %s\n",
jv_string_value(input_pos), jv_string_value(msg));
}
ret = 5;
jv_free(input_pos);
jv_free(msg);
}
jv_free(result);
return ret;
}
static int process(jq_state *jq, jv value, int flags) {
int ret = 0;
jq_start(jq, value, flags);
jv result;
while (jv_is_valid(result = jq_next(jq))) {
if ((options & RAW_OUTPUT) && jv_get_kind(result) == JV_KIND_STRING) {
fwrite(jv_string_value(result), 1, jv_string_length_bytes(jv_copy(result)), stdout);
if (jv_get_kind(result) == JV_KIND_FALSE)
ret = 10;
else if (jv_get_kind(result) == JV_KIND_NULL)
ret = 11;
else
ret = 0;
jv_free(result);
} else {
int dumpopts;
/* Disable colour by default on Windows builds as Windows
terminals tend not to display it correctly */
#ifdef WIN32
dumpopts = 0;
#else
dumpopts = isatty(fileno(stdout)) ? JV_PRINT_COLOUR : 0;
#endif
if (options & SORTED_OUTPUT) dumpopts |= JV_PRINT_SORTED;
if (!(options & COMPACT_OUTPUT)) dumpopts |= JV_PRINT_PRETTY;
if (options & ASCII_OUTPUT) dumpopts |= JV_PRINT_ASCII;
if (options & COLOUR_OUTPUT) dumpopts |= JV_PRINT_COLOUR;
if (options & NO_COLOUR_OUTPUT) dumpopts &= ~JV_PRINT_COLOUR;
if (options & UNBUFFERED_OUTPUT) dumpopts |= JV_PRINT_UNBUFFERED;
if (jv_get_kind(result) == JV_KIND_FALSE)
ret = 10;
else if (jv_get_kind(result) == JV_KIND_NULL)
ret = 11;
else
ret = 0;
jv_dump(result, dumpopts);
}
printf("\n");
}
jv_free(result);
return ret;
}
// when is this called >1 time?
std::vector<std::string> jqr_process(jq_state_ptr state, jv value) {
std::vector<std::string> ret;
jq_start(state.get(), value, 0);
jv result = jq_next(state.get());
while (jv_is_valid(result)) {
jv dumped = jv_dump_string(result, 0);
// A lot of unnecessary copying here (char* to string to R - read
// how one is *meant* to do this).
const char *str = jv_string_value(dumped);
std::string str_cpp(str);
ret.push_back(str_cpp);
result = jq_next(state.get());
}
jv_free(result);
return ret;
}
int jq_compile_args(jq_state *jq, const char* str, jv args) {
jv_nomem_handler(jq->nomem_handler, jq->nomem_handler_data);
assert(jv_get_kind(args) == JV_KIND_ARRAY);
struct locfile locations;
locfile_init(&locations, jq, str, strlen(str));
block program;
jq_reset(jq);
if (jq->bc) {
bytecode_free(jq->bc);
jq->bc = 0;
}
int nerrors = jq_parse(&locations, &program);
if (nerrors == 0) {
int i;
for (i=0; i<jv_array_length(jv_copy(args)); i++) {
jv arg = jv_array_get(jv_copy(args), i);
jv name = jv_object_get(jv_copy(arg), jv_string("name"));
jv value = jv_object_get(arg, jv_string("value"));
program = gen_var_binding(gen_const(value), jv_string_value(name), program);
jv_free(name);
}
nerrors = builtins_bind(jq, &program);
if (nerrors == 0) {
nerrors = block_compile(program, &locations, &jq->bc);
}
}
jv_free(args);
if (nerrors) {
jv s = jv_string_fmt("%d compile %s", nerrors,
nerrors > 1 ? "errors" : "error");
if (jq->err_cb != NULL)
jq->err_cb(jq->err_cb_data, s);
else if (!jv_is_valid(s))
fprintf(stderr, "Error formatting jq compilation errors: %s\n", strerror(errno));
else
fprintf(stderr, "%s\n", jv_string_value(s));
jv_free(s);
}
locfile_free(&locations);
return jq->bc != NULL;
}
std::vector<std::string> jqr_parse(jq_state_ptr state, jv_parser_ptr parser) {
jv value = jv_parser_next(parser.get());
std::vector<std::string> ret;
// This loop is not dealt with properly yet; will just take last.
while (jv_is_valid(value)) {
ret = jqr_process(state, value);
value = jv_parser_next(parser.get());
}
if (jv_invalid_has_msg(jv_copy(value))) {
jv msg = jv_invalid_get_msg(value);
const char * msg_str = jv_string_value(msg);
jv_free(msg);
jv_free(value);
Rcpp::stop(msg_str);
} else {
jv_free(value);
}
return ret;
}
static void f_tonumber(jv input[], jv output[]) {
if (jv_get_kind(input[0]) == JV_KIND_NUMBER) {
output[0] = input[0];
} else if (jv_get_kind(input[0]) == JV_KIND_STRING) {
jv parsed = jv_parse(jv_string_value(input[0]));
if (!jv_is_valid(parsed)) {
jv_free(input[0]);
output[0] = parsed;
} else if (jv_get_kind(parsed) != JV_KIND_NUMBER) {
output[0] = jv_invalid_with_msg(jv_string_fmt("'%s' is not a number",
jv_string_value(input[0])));
jv_free(input[0]);
} else {
jv_free(input[0]);
output[0] = parsed;
}
} else {
output[0] = jv_invalid_with_msg(jv_string_fmt("Cannot parse %s as a number",
jv_kind_name(jv_get_kind(input[0]))));
jv_free(input[0]);
return;
}
}
// assumes keys is a sorted array
jv jv_dels(jv t, jv keys) {
assert(jv_get_kind(keys) == JV_KIND_ARRAY);
assert(jv_is_valid(t));
if (jv_get_kind(t) == JV_KIND_NULL || jv_array_length(jv_copy(keys)) == 0) {
// no change
} else if (jv_get_kind(t) == JV_KIND_ARRAY) {
jv new_array = jv_array();
int kidx = 0;
jv_array_foreach(t, i, elem) {
int del = 0;
while (kidx < jv_array_length(jv_copy(keys))) {
jv nextdel = jv_array_get(jv_copy(keys), kidx);
if (jv_get_kind(nextdel) != JV_KIND_NUMBER) {
jv err = jv_invalid_with_msg(jv_string_fmt("Cannot delete %s element of array",
jv_kind_name(jv_get_kind(nextdel))));
jv_free(nextdel);
jv_free(new_array);
jv_free(elem);
new_array = err;
goto arr_out; // break twice
}
int delidx = (int)jv_number_value(nextdel);
jv_free(nextdel);
if (i == delidx) {
del = 1;
}
if (i < delidx) {
break;
}
kidx++;
}
if (!del)
new_array = jv_array_append(new_array, elem);
else
jv_free(elem);
}
jv jv_get(jv t, jv k) {
jv v;
if (jv_get_kind(t) == JV_KIND_OBJECT && jv_get_kind(k) == JV_KIND_STRING) {
v = jv_object_get(t, k);
if (!jv_is_valid(v)) {
jv_free(v);
v = jv_null();
}
} else if (jv_get_kind(t) == JV_KIND_ARRAY && jv_get_kind(k) == JV_KIND_NUMBER) {
if(jv_is_integer(k)){
int idx = (int)jv_number_value(k);
if (idx < 0)
idx += jv_array_length(jv_copy(t));
v = jv_array_get(t, idx);
if (!jv_is_valid(v)) {
jv_free(v);
v = jv_null();
}
} else {
jv_free(t);
jv_free(k);
v = jv_null();
}
} else if (jv_get_kind(t) == JV_KIND_ARRAY && jv_get_kind(k) == JV_KIND_OBJECT) {
int start, end;
if (parse_slice(t, k, &start, &end)) {
v = jv_array_slice(t, start, end);
} else {
v = jv_invalid_with_msg(jv_string_fmt("Start and end indices of an array slice must be numbers"));
jv_free(t);
}
} else if (jv_get_kind(t) == JV_KIND_STRING && jv_get_kind(k) == JV_KIND_OBJECT) {
int start, end;
if (parse_slice(t, k, &start, &end)) {
v = jv_string_slice(t, start, end);
} else {
v = jv_invalid_with_msg(jv_string_fmt("Start and end indices of an string slice must be numbers"));
jv_free(t);
}
} else if (jv_get_kind(t) == JV_KIND_STRING && jv_get_kind(k) == JV_KIND_STRING) {
v = jv_string_indexes(t, k);
} else if (jv_get_kind(t) == JV_KIND_ARRAY && jv_get_kind(k) == JV_KIND_ARRAY) {
v = jv_array_indexes(t, k);
} else if (jv_get_kind(t) == JV_KIND_NULL &&
(jv_get_kind(k) == JV_KIND_STRING ||
jv_get_kind(k) == JV_KIND_NUMBER ||
jv_get_kind(k) == JV_KIND_OBJECT)) {
jv_free(t);
jv_free(k);
v = jv_null();
} else {
/*
* If k is a short string it's probably from a jq .foo expression or
* similar, in which case putting it in the invalid msg may help the
* user. The length 30 is arbitrary.
*/
if (jv_get_kind(k) == JV_KIND_STRING && jv_string_length_bytes(jv_copy(k)) < 30) {
v = jv_invalid_with_msg(jv_string_fmt("Cannot index %s with string \"%s\"",
jv_kind_name(jv_get_kind(t)),
jv_string_value(k)));
} else {
v = jv_invalid_with_msg(jv_string_fmt("Cannot index %s with %s",
jv_kind_name(jv_get_kind(t)),
jv_kind_name(jv_get_kind(k))));
}
jv_free(t);
jv_free(k);
}
return v;
}
jv jv_set(jv t, jv k, jv v) {
if (!jv_is_valid(v)) {
jv_free(t);
jv_free(k);
return v;
}
int isnull = jv_get_kind(t) == JV_KIND_NULL;
if (jv_get_kind(k) == JV_KIND_STRING &&
(jv_get_kind(t) == JV_KIND_OBJECT || isnull)) {
if (isnull) t = jv_object();
t = jv_object_set(t, k, v);
} else if (jv_get_kind(k) == JV_KIND_NUMBER &&
(jv_get_kind(t) == JV_KIND_ARRAY || isnull)) {
if (isnull) t = jv_array();
t = jv_array_set(t, (int)jv_number_value(k), v);
} else if (jv_get_kind(k) == JV_KIND_OBJECT &&
(jv_get_kind(t) == JV_KIND_ARRAY || isnull)) {
if (isnull) t = jv_array();
int start, end;
if (parse_slice(t, k, &start, &end)) {
if (jv_get_kind(v) == JV_KIND_ARRAY) {
int array_len = jv_array_length(jv_copy(t));
assert(0 <= start && start <= end && end <= array_len);
int slice_len = end - start;
int insert_len = jv_array_length(jv_copy(v));
if (slice_len < insert_len) {
// array is growing
int shift = insert_len - slice_len;
for (int i = array_len - 1; i >= end; i--) {
t = jv_array_set(t, i + shift, jv_array_get(jv_copy(t), i));
}
} else if (slice_len > insert_len) {
// array is shrinking
int shift = slice_len - insert_len;
for (int i = end; i < array_len; i++) {
t = jv_array_set(t, i - shift, jv_array_get(jv_copy(t), i));
}
t = jv_array_slice(t, 0, array_len - shift);
}
for (int i=0; i < insert_len; i++) {
t = jv_array_set(t, start + i, jv_array_get(jv_copy(v), i));
}
jv_free(v);
} else {
jv_free(t);
jv_free(v);
t = jv_invalid_with_msg(jv_string_fmt("A slice of an array can only be assigned another array"));
}
} else {
jv_free(t);
jv_free(k);
jv_free(v);
t = jv_invalid_with_msg(jv_string_fmt("Start and end indices of an array slice must be numbers"));
}
} else {
jv err = jv_invalid_with_msg(jv_string_fmt("Cannot update field at %s index of %s",
jv_kind_name(jv_get_kind(k)),
jv_kind_name(jv_get_kind(t))));
jv_free(t);
jv_free(k);
jv_free(v);
t = err;
}
return t;
}
int main(int argc, char* argv[]) {
jq_state *jq = NULL;
int ret = 0;
int compiled = 0;
char *t = NULL;
if (argc) progname = argv[0];
if (argc > 1 && !strcmp(argv[1], "--run-tests")) {
return jq_testsuite(argc, argv);
}
jq = jq_init();
if (jq == NULL) {
perror("malloc");
ret = 2;
goto out;
}
const char* program = 0;
input_filenames = jv_mem_alloc(sizeof(const char*) * argc);
ninput_files = 0;
int further_args_are_files = 0;
int jq_flags = 0;
size_t short_opts = 0;
jv program_arguments = jv_array();
jv lib_search_paths = jv_array();
for (int i=1; i<argc; i++, short_opts = 0) {
if (further_args_are_files) {
input_filenames[ninput_files++] = argv[i];
} else if (!strcmp(argv[i], "--")) {
if (!program) usage(2);
further_args_are_files = 1;
} else if (!isoptish(argv[i])) {
if (program) {
input_filenames[ninput_files++] = argv[i];
} else {
program = argv[i];
}
} else {
if (argv[i][1] == 'L') {
if (argv[i][2] != 0) { // -Lname (faster check than strlen)
lib_search_paths = jv_array_append(lib_search_paths, jv_string(argv[i]+2));
} else if (i >= argc - 1) {
fprintf(stderr, "-L takes a parameter: (e.g. -L /search/path or -L/search/path)\n");
die();
} else {
lib_search_paths = jv_array_append(lib_search_paths, jv_string(argv[i+1]));
i++;
}
continue;
}
if (isoption(argv[i], 's', "slurp", &short_opts)) {
options |= SLURP;
if (!short_opts) continue;
}
if (isoption(argv[i], 'r', "raw-output", &short_opts)) {
options |= RAW_OUTPUT;
if (!short_opts) continue;
}
if (isoption(argv[i], 'c', "compact-output", &short_opts)) {
options |= COMPACT_OUTPUT;
if (!short_opts) continue;
}
if (isoption(argv[i], 'C', "color-output", &short_opts)) {
options |= COLOUR_OUTPUT;
if (!short_opts) continue;
}
if (isoption(argv[i], 'M', "monochrome-output", &short_opts)) {
options |= NO_COLOUR_OUTPUT;
if (!short_opts) continue;
}
if (isoption(argv[i], 'a', "ascii-output", &short_opts)) {
options |= ASCII_OUTPUT;
if (!short_opts) continue;
}
if (isoption(argv[i], 0, "unbuffered", &short_opts)) {
options |= UNBUFFERED_OUTPUT;
if (!short_opts) continue;
}
if (isoption(argv[i], 'S', "sort-keys", &short_opts)) {
options |= SORTED_OUTPUT;
if (!short_opts) continue;
}
if (isoption(argv[i], 'R', "raw-input", &short_opts)) {
options |= RAW_INPUT;
if (!short_opts) continue;
}
if (isoption(argv[i], 'n', "null-input", &short_opts)) {
options |= PROVIDE_NULL;
if (!short_opts) continue;
}
if (isoption(argv[i], 'f', "from-file", &short_opts)) {
options |= FROM_FILE;
if (!short_opts) continue;
}
if (isoption(argv[i], 'j', "join-output", &short_opts)) {
options |= RAW_OUTPUT | RAW_NO_LF;
if (!short_opts) continue;
}
if (isoption(argv[i], 'i', "in-place", &short_opts)) {
options |= IN_PLACE;
if (!short_opts) continue;
}
if (isoption(argv[i], 'e', "exit-status", &short_opts)) {
options |= EXIT_STATUS;
if (!short_opts) continue;
}
if (isoption(argv[i], 0, "arg", &short_opts)) {
if (i >= argc - 2) {
fprintf(stderr, "%s: --arg takes two parameters (e.g. -a varname value)\n", progname);
die();
}
jv arg = jv_object();
arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
arg = jv_object_set(arg, jv_string("value"), jv_string(argv[i+2]));
program_arguments = jv_array_append(program_arguments, arg);
i += 2; // skip the next two arguments
if (!short_opts) continue;
}
if (isoption(argv[i], 0, "argfile", &short_opts)) {
if (i >= argc - 2) {
fprintf(stderr, "%s: --argfile takes two parameters (e.g. -a varname filename)\n", progname);
die();
}
jv arg = jv_object();
arg = jv_object_set(arg, jv_string("name"), jv_string(argv[i+1]));
jv data = jv_load_file(argv[i+2], 0);
if (!jv_is_valid(data)) {
data = jv_invalid_get_msg(data);
fprintf(stderr, "%s: Bad JSON in --argfile %s %s: %s\n", progname,
argv[i+1], argv[i+2], jv_string_value(data));
jv_free(data);
ret = 2;
goto out;
}
if (jv_get_kind(data) == JV_KIND_ARRAY && jv_array_length(jv_copy(data)) == 1)
data = jv_array_get(data, 0);
arg = jv_object_set(arg, jv_string("value"), data);
program_arguments = jv_array_append(program_arguments, arg);
i += 2; // skip the next two arguments
if (!short_opts) continue;
}
if (isoption(argv[i], 0, "debug-dump-disasm", &short_opts)) {
options |= DUMP_DISASM;
if (!short_opts) continue;
}
if (isoption(argv[i], 0, "debug-trace", &short_opts)) {
jq_flags |= JQ_DEBUG_TRACE;
if (!short_opts) continue;
}
if (isoption(argv[i], 'h', "help", &short_opts)) {
usage(0);
if (!short_opts) continue;
}
if (isoption(argv[i], 'V', "version", &short_opts)) {
printf("jq-%s\n", JQ_VERSION);
ret = 0;
goto out;
}
// check for unknown options... if this argument was a short option
if (strlen(argv[i]) != short_opts + 1) {
fprintf(stderr, "%s: Unknown option %s\n", progname, argv[i]);
die();
}
}
}
char *penv = getenv("JQ_LIBRARY_PATH");
if (penv) {
#ifdef WIN32
#define PATH_ENV_SEPARATOR ";"
#else
#define PATH_ENV_SEPARATOR ":"
#endif
lib_search_paths = jv_array_concat(lib_search_paths,jv_string_split(jv_string(penv),jv_string(PATH_ENV_SEPARATOR)));
#undef PATH_ENV_SEPARATOR
}
jq_set_lib_dirs(jq,lib_search_paths);
char *origin = strdup(argv[0]);
if (origin == NULL) {
fprintf(stderr, "Error: out of memory\n");
exit(1);
}
jq_set_lib_origin(jq,jv_string(dirname(origin)));
free(origin);
#if (!defined(WIN32) && defined(HAVE_ISATTY)) || defined(HAVE__ISATTY)
#if defined(HAVE__ISATTY) && defined(isatty)
#undef isatty
#define isatty _isatty
#endif
if (!program && isatty(STDOUT_FILENO) && !isatty(STDIN_FILENO))
program = ".";
#endif
if (!program) usage(2);
if ((options & IN_PLACE)) {
if (ninput_files == 0) usage(2);
if (strcmp(input_filenames[0], "-") == 0) usage(2);
size_t tlen = strlen(input_filenames[0]) + 7;
t = jv_mem_alloc(tlen);
int n = snprintf(t, tlen,"%sXXXXXX", input_filenames[0]);
assert(n > 0 && (size_t)n < tlen);
if (mkstemp(t) == -1) {
fprintf(stderr, "Error: %s creating temporary file", strerror(errno));
exit(3);
}
if (freopen(t, "w", stdout) == NULL) {
fprintf(stderr, "Error: %s redirecting stdout to temporary file", strerror(errno));
exit(3);
}
}
if (ninput_files == 0) current_input = stdin;
if ((options & PROVIDE_NULL) && (options & (RAW_INPUT | SLURP))) {
fprintf(stderr, "%s: --null-input cannot be used with --raw-input or --slurp\n", progname);
die();
}
if (options & FROM_FILE) {
jv data = jv_load_file(program, 1);
if (!jv_is_valid(data)) {
data = jv_invalid_get_msg(data);
fprintf(stderr, "%s: %s\n", progname, jv_string_value(data));
jv_free(data);
ret = 2;
goto out;
}
compiled = jq_compile_args(jq, jv_string_value(data), program_arguments);
jv_free(data);
} else {
compiled = jq_compile_args(jq, program, program_arguments);
}
if (!compiled){
ret = 3;
goto out;
}
if (options & DUMP_DISASM) {
jq_dump_disassembly(jq, 0);
printf("\n");
}
if (options & PROVIDE_NULL) {
ret = process(jq, jv_null(), jq_flags);
} else {
jv slurped;
if (options & SLURP) {
if (options & RAW_INPUT) {
slurped = jv_string("");
} else {
slurped = jv_array();
}
}
struct jv_parser* parser = jv_parser_new(0);
char buf[4096];
while (read_more(buf, sizeof(buf))) {
if (options & RAW_INPUT) {
int len = strlen(buf);
if (len > 0) {
if (options & SLURP) {
slurped = jv_string_concat(slurped, jv_string(buf));
} else {
if (buf[len-1] == '\n') buf[len-1] = 0;
ret = process(jq, jv_string(buf), jq_flags);
}
}
} else {
jv_parser_set_buf(parser, buf, strlen(buf), !feof(stdin));
jv value;
while (jv_is_valid((value = jv_parser_next(parser)))) {
if (options & SLURP) {
slurped = jv_array_append(slurped, value);
} else {
ret = process(jq, value, jq_flags);
}
}
if (jv_invalid_has_msg(jv_copy(value))) {
jv msg = jv_invalid_get_msg(value);
fprintf(stderr, "parse error: %s\n", jv_string_value(msg));
jv_free(msg);
ret = 4;
break;
} else {
jv_free(value);
}
}
}
jv_parser_free(parser);
if (ret != 0)
goto out;
if (options & SLURP) {
ret = process(jq, slurped, jq_flags);
}
}
if ((options & IN_PLACE)) {
#ifdef WIN32
(void) freopen("NUL", "w+", stdout);
#else
(void) freopen("/dev/null", "w+", stdout);
#endif
if (rename(t, input_filenames[0]) == -1) {
fprintf(stderr, "Error: %s renaming temporary file", strerror(errno));
exit(3);
}
jv_mem_free(t);
}
out:
jv_mem_free(input_filenames);
jq_teardown(&jq);
if (ret >= 10 && (options & EXIT_STATUS))
return ret - 10;
if (ret >= 10)
return 0;
return ret;
}
static void run_jq_tests(jv lib_dirs, FILE *testdata) {
char prog[4096];
char buf[4096];
struct err_data err_msg;
int tests = 0, passed = 0, invalid = 0;
unsigned int lineno = 0;
int must_fail = 0;
int check_msg = 0;
jq_state *jq = NULL;
jq = jq_init();
assert(jq);
if (jv_get_kind(lib_dirs) == JV_KIND_NULL)
lib_dirs = jv_array();
jq_set_attr(jq, jv_string("JQ_LIBRARY_PATH"), lib_dirs);
while (1) {
if (!fgets(prog, sizeof(prog), testdata)) break;
lineno++;
if (skipline(prog)) continue;
if (checkfail(prog)) {
must_fail = 1;
check_msg = checkerrormsg(prog);
jq_set_error_cb(jq, test_err_cb, &err_msg);
continue;
}
if (prog[strlen(prog)-1] == '\n') prog[strlen(prog)-1] = 0;
printf("Testing '%s' at line number %u\n", prog, lineno);
int pass = 1;
tests++;
int compiled = jq_compile(jq, prog);
if (must_fail) {
jq_set_error_cb(jq, NULL, NULL);
must_fail = 0;
check_msg = 0;
if (!fgets(buf, sizeof(buf), testdata)) { invalid++; break; }
lineno++;
if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = 0;
if (compiled) {
printf("*** Test program compiled that should not have at line %u: %s\n", lineno, prog);
invalid++; continue;
}
if (check_msg && strcmp(buf, err_msg.buf) != 0) {
printf("*** Erroneous test program failed with wrong message (%s) at line %u: %s\n", err_msg.buf, lineno, prog);
invalid++;
} else {
passed++;
}
continue;
}
if (!compiled) {
printf("*** Test program failed to compile at line %u: %s\n", lineno, prog);
invalid++;
// skip past test data
while (fgets(buf, sizeof(buf), testdata)) {
lineno++;
if (buf[0] == '\n' || (buf[0] == '\r' && buf[1] == '\n'))
break;
}
continue;
}
printf("Disassembly:\n");
jq_dump_disassembly(jq, 2);
printf("\n");
if (!fgets(buf, sizeof(buf), testdata)) { invalid++; break; }
lineno++;
jv input = jv_parse(buf);
if (!jv_is_valid(input)){ invalid++; continue; }
jq_start(jq, input, JQ_DEBUG_TRACE);
while (fgets(buf, sizeof(buf), testdata)) {
lineno++;
if (skipline(buf)) break;
jv expected = jv_parse(buf);
if (!jv_is_valid(expected)){ invalid++; continue; }
jv actual = jq_next(jq);
if (!jv_is_valid(actual)) {
jv_free(actual);
printf("*** Insufficient results for test at line number %u: %s\n", lineno, prog);
pass = 0;
break;
} else if (!jv_equal(jv_copy(expected), jv_copy(actual))) {
printf("*** Expected ");
jv_dump(jv_copy(expected), 0);
printf(", but got ");
jv_dump(jv_copy(actual), 0);
printf(" for test at line number %u: %s\n", lineno, prog);
pass = 0;
}
jv as_string = jv_dump_string(jv_copy(expected), rand() & ~(JV_PRINT_COLOUR|JV_PRINT_REFCOUNT));
jv reparsed = jv_parse_sized(jv_string_value(as_string), jv_string_length_bytes(jv_copy(as_string)));
assert(jv_equal(jv_copy(expected), jv_copy(reparsed)));
jv_free(as_string);
jv_free(reparsed);
jv_free(expected);
jv_free(actual);
}
if (pass) {
jv extra = jq_next(jq);
if (jv_is_valid(extra)) {
printf("*** Superfluous result: ");
jv_dump(extra, 0);
printf(" for test at line number %u, %s\n", lineno, prog);
pass = 0;
} else {
jv_free(extra);
}
}
passed+=pass;
}
jq_teardown(&jq);
printf("%d of %d tests passed (%d malformed)\n", passed,tests,invalid);
if (passed != tests) exit(1);
}
