Comments (4)
All JsonValue's valid until JsonAllocator alive. In this situation allocating buffer from allocator and copy string to them can solve the problem
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hi, thanks for your reply, could you give some sample about the solution?
from gason.
std::string source = "{\"foo\" : \"bar\"}";
JsonAllocator allocator;
memcpy(allocator.allocate(source.size() + 1), source.c_str(), source.size() + 1);
char *endptr;
JsonValue value;
int status = jsonParse(source, &endptr, &value, allocator);
// ... and use value as usual
from gason.
thanks for your reply, however the solution is a little complicated, indeed i want to make a dynamic type by nan-boxing, actually lua, js, use nan-boxing to create dynamic type, so i think c++ also can do this. just like this:
dynamic a = 1;
dynamic b = 2.5;
dynamic c = "hello world"; //more natural and easy to use
it is a problem for string, cause the address maybe invalid, maybe need reference count to solve the problem.
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Related Issues (20)
- I re-wrote gason in c by looking c++ code, can I publish it? HOT 1
- ival computation error on 32bit systems HOT 2
- Parsing 1e-21474836311 causes infinity loop HOT 1
- Make input immutable? HOT 1
- gason doesn't handle JS Number.MIN_VALUE or MAX_VALUE HOT 1
- Assertion `(uint64_t)payload <= 0x00007FFFFFFFFFFFULL' failed HOT 2
- Cannot compile gason.cpp on Visual Studio 2012 C++ HOT 1
- Json benchmark and conformance HOT 1
- Conformance report for reference HOT 1
- Heap buffer overflow on backslash(es?) HOT 1
- Precision error when parsing a double HOT 1
- JSON_ARRAY and fast iteration HOT 2
- \uXXXX chars ? HOT 2
- Switched pass/fail ?
- UTF-8 HOT 3
- Accurate number parsing HOT 1
- gason does not work on platforms with tagged pointers (e.g. Android) HOT 2
- Program terminated with signal SIGSEGV HOT 6
- Implicit fallthrough? HOT 2
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