Module: JSONExtractor

Defined in:
lib/json_extractor.rb,
ext/json_extractor/json_extractor.c

Class Method Summary collapse

Class Method Details

.extract_subdocument(str, key) ⇒ Object 



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# File 'ext/json_extractor/json_extractor.c', line 181

static VALUE rb_extract_subdocument(VALUE self, VALUE str, VALUE key) {
  char *data, *substr;
  VALUE result;

  // No str?
  if(str == Qnil) {
    return Qnil;
  }

  // No key?
  if(key == Qnil) {
    return Qnil;
  }

  data = read_all(RSTRING_PTR(str));
  substr = extract_subdocument(data, RSTRING_PTR(key));
  free(data);

  if(substr == NULL) {
    return Qnil;
  }

  result = rb_str_new2(substr);

  // TODO: Figure out if this is right. It behaves properly, so I'm assuming
  // it's OK.
  free(substr);

  return result;
}

.subdocument(filename, key) ⇒ Object 



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# File 'lib/json_extractor.rb', line 6

def self.subdocument(filename, key)
  JSON.parse(extract_subdocument(filename, key))
end