Question 1

How to validate JSON against a schema with WJElement?

Accepted Answer

WJElement includes built-in json-schema validation using the WJESchema functions. You can load a schema and validate JSON documents against it; check the wiki for API details and example code to implement this in your C project.

Question 2

WJElement vs cJSON: which is better for C JSON handling?

Accepted Answer

WJElement offers JavaScript-like manipulation and built-in schema validation, making it more feature-rich, while cJSON is simpler and lighter for basic parsing. Choose WJElement for advanced features, but cJSON if you need minimal overhead and widespread adoption.

Question 3

How to install and link WJElement in a C project?

Accepted Answer

You can include WJElement by cloning the repository, compiling the source with WJReader and WJWriter, and linking them dynamically or statically. The README suggests massaging it into your package, but specific build steps may require consulting the wiki or headers.

Question 4

Does WJElement support JSON streaming or large files?

Accepted Answer

The README doesn't mention streaming capabilities; WJElement is optimized for memory efficiency but may require loading entire JSON documents into memory, so for streaming, you might need to rely on the lower-level WJReader or consider other libraries.

Question 5

What license does WJElement use and can I use it commercially?

Accepted Answer

WJElement is released under the GNU LGPL (any version), allowing use in both open and closed-source projects, including commercial ones, with certain conditions like linking dynamically or providing source modifications if statically linked.

Question 6

Is WJElement thread-safe for concurrent access?

Accepted Answer

The README doesn't specify thread safety; given its origin in server applications, it might handle concurrency, but you should review the source code or wiki for guidance, as improper use could lead to race conditions in multi-threaded environments.

Question 7

How does WJElement handle memory management and errors?

Accepted Answer

WJElement likely uses manual memory management typical of C, with functions for allocation and deallocation; error handling is via return codes or callbacks, but specifics should be checked in the API documentation on the wiki to avoid leaks.

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