Comments (5)
Added to master: b63b3e1
from yyjson.
The uint
and sint
are two different types here, and the function will return false if the types don't match:
Lines 7751 to 7755 in f1867b0
I think we should add auto-type conversion to this function, which would return true if the integer can be converted without overflowing.
from yyjson.
Demonstration code
//cc -Wall -I. yyjson.c yytest.c -o yytest
#include "yyjson.h"
#include "inttypes.h"
int
main ()
{
const char *jsonstr = "{\"posvalue\": 123, \"negvalue\": -123, \"strvalue\": \"hello\"}";
yyjson_doc *doc = NULL;
yyjson_val *root = NULL;
int64_t sintvalue = 0;
uint64_t uintvalue = 0;
const char *strvalue = NULL;
doc = yyjson_read (jsonstr, strlen(jsonstr), 0);
root = yyjson_doc_get_root(doc);
if (root) {
printf ("JSON string parsed\n");
if (yyjson_ptr_get_sint (root, "/posvalue", &sintvalue)) {
printf ("posvalue(sint): %"PRId64"\n", sintvalue);
}
else {
printf ("posvalue(sint) ERROR\n");
}
if (yyjson_ptr_get_uint (root, "/posvalue", &uintvalue)) {
printf ("posvalue(uint): %"PRIu64"\n", uintvalue);
}
else {
printf ("posvalue(uint) ERROR\n");
}
if (yyjson_ptr_get_sint (root, "/negvalue", &sintvalue)) {
printf ("negvalue(sint): %"PRId64"\n", sintvalue);
}
else {
printf ("negvalue(sint) ERROR\n");
}
if (yyjson_ptr_get_str (root, "/strvalue", &strvalue)) {
printf ("strvalue: %s\n", strvalue);
}
else {
printf ("strvalue ERROR\n");
}
yyjson_doc_free(doc);
}
return 0;
}
Output:
% cc -Wall -I. yyjson.c yytest.c -o yytest
% ./yytest
JSON string parsed
posvalue(sint) ERROR
posvalue(uint): 123
negvalue(sint): -123
strvalue: hello
from yyjson.
I note that basic getters of values has a yyjson_get_int()
which appears to do the uint or sint functionality. (unfortunately it also truncates to int
so the full range of the [u]int64_t is lost). Maybe that approach would work for the ptr versions as well.
from yyjson.
that's perfect, thanks @ibireme!
from yyjson.
Related Issues (20)
- Support `yyjson_mut_obj_add_obj` & `yyjson_mut_obj_add_arr` like `yyjson_mut_arr_add_*` HOT 6
- mem leak HOT 1
- Static Code Analysis: Identical sub-expressions on both sides of operator "<<" HOT 1
- Shared libraries need to be properly versioned on Linux HOT 1
- Json files are not newline terminated when pretty printing HOT 3
- memory issue for recursive function HOT 7
- How to change the object key in mutable object? HOT 2
- error: -Wno-implicit-int and -Wno-implicit-function-declaration detected HOT 2
- Support Schema validator HOT 1
- A character make fail the JSON (empty JSON) HOT 1
- Does yyjson have parameters to set decimal places? HOT 4
- Discussion / Feedback request: Incorporating bytearray type HOT 8
- incorrectly formatted bool fields. HOT 3
- I need to merge multiple JSON strings HOT 1
- Is there a method to store the array of primitive types? HOT 4
- Release life cycle HOT 3
- Remove static qualifiers to support wrapping in other languages HOT 5
- Report row and line number when generating errors, instead of an absolute position HOT 10
- Improve error messages HOT 1
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