Function yaml_simple_key_is_valid

scannerc.go:883–907

(parser *yaml_parser_t, simple_key *yaml_simple_key_t)

}

func yaml_simple_key_is_valid(parser *yaml_parser_t, simple_key *yaml_simple_key_t) (valid, ok bool) {
	if !simple_key.possible {
		return false, true
	}

	// The 1.2 specification says:
	//
	//     "If the ? indicator is omitted, parsing needs to see past the
	//     implicit key to recognize it as such. To limit the amount of
	//     lookahead required, the “:” indicator must appear at most 1024
	//     Unicode characters beyond the start of the key. In addition, the key
	//     is restricted to a single line."
	//
	if simple_key.mark.line < parser.mark.line || simple_key.mark.index+1024 < parser.mark.index {
		// Check if the potential simple key to be removed is required.
		if simple_key.required {
			return false, yaml_parser_set_scanner_error(parser,
				"while scanning a simple key", simple_key.mark,
				"could not find expected ':'")
		}
		simple_key.possible = false
		return false, true
	}
	return true, true
}

// Check if a simple key may start at the current position and add it if
// needed.