Method: Oj::Doc#dump

Defined in:
ext/oj/fast.c

#dump(path, filename) ⇒ Object

Dumps the document or nodes to a new JSON document. It uses the default options for generating the JSON.

@param path [String] if provided it identified the top of the branch to

dump to JSON

@param filename [String] if provided it is the filename to write the output

to

Examples:

Oj::Doc.open('[3,[2,1]]') { |doc|
    doc.dump('/2')
}
#=> "[2,1]"
[View source]

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# File 'ext/oj/fast.c', line 1563

static VALUE doc_dump(int argc, VALUE *argv, VALUE self) {
    Doc         doc = self_doc(self);
    Leaf        leaf;
    const char *path     = 0;
    const char *filename = 0;

    if (1 <= argc) {
        if (Qnil != *argv) {
            path = StringValuePtr(*argv);
        }
        if (2 <= argc) {
            filename = StringValuePtr(argv[1]);
        }
    }
    if (0 != (leaf = get_doc_leaf(doc, path))) {
        volatile VALUE rjson;

        if (0 == filename) {
            struct _out out;

            oj_out_init(&out);

            out.omit_nil = oj_default_options.dump_opts.omit_nil;
            oj_dump_leaf_to_json(leaf, &oj_default_options, &out);
            rjson = rb_str_new2(out.buf);

            oj_out_free(&out);
        } else {
            oj_write_leaf_to_file(leaf, filename, &oj_default_options);
            rjson = Qnil;
        }
        return rjson;
    }
    return Qnil;
}