Method: Oj::Doc#exists?

Defined in:

ext/oj/fast.c

#exists?(path) ⇒ Boolean

Returns true if the value at the location identified by the path exists.

@param [String] path path to the location

Examples:

Oj::Doc.open('[1,2]') { |doc| doc.exists?('/1') }  #=> true
Oj::Doc.open('[1,2]') { |doc| doc.exists?('/3') }  #=> false

Returns:

• (Boolean)

# File 'ext/oj/fast.c', line 1358

static VALUE doc_exists(VALUE self, VALUE str) {
    Doc  doc;
    Leaf leaf;

    doc = self_doc(self);
    if (0 != (leaf = get_doc_leaf(doc, StringValuePtr(str)))) {
        if (NULL != leaf) {
            return Qtrue;
        }
    }
    return Qfalse;
}