Method EscapeShellCmd

lib/base/utility.cpp:1183–1227

}

String Utility::EscapeShellCmd(const String& s)
{
	String result;
	size_t prev_quote = String::NPos;
	int index = -1;

	for (char ch : s) {
		bool escape = false;

		index++;

#ifdef _WIN32
		if (ch == '%' || ch == '"' || ch == '\'')
			escape = true;
#else /* _WIN32 */
		if (ch == '"' || ch == '\'') {
			/* Find a matching closing quotation character. */
			if (prev_quote == String::NPos && (prev_quote = s.FindFirstOf(ch, index + 1)) != String::NPos)
				; /* Empty statement. */
			else if (prev_quote != String::NPos && s[prev_quote] == ch)
				prev_quote = String::NPos;
			else
				escape = true;
		}
#endif /* _WIN32 */

		if (ch == '#' || ch == '&' || ch == ';' || ch == '`' || ch == '|' ||
			ch == '*' || ch == '?' || ch == '~' || ch == '<' || ch == '>' ||
			ch == '^' || ch == '(' || ch == ')' || ch == '[' || ch == ']' ||
			ch == '{' || ch == '}' || ch == '$' || ch == '\\' || ch == '\x0A' ||
			ch == '\xFF')
			escape = true;

		if (escape)
#ifdef _WIN32
			result += '^';
#else /* _WIN32 */
			result += '\\';
#endif /* _WIN32 */

		result += ch;
	}

	return result;
}

String Utility::EscapeShellArg(const String& s)
{