private static string Convert(string pattern, ref Native.convert_input input)
{
fixed(char *pPattern = pattern)
{
input.pattern = pPattern;
input.pattern_length = (uint)pattern.Length;
input.options |= PcreConstants.CONVERT_UTF;
var errorCode = Native.convert(ref input, out var result);
try
{
if (errorCode != 0)
{
throw new ArgumentException($"Could not convert pattern '{pattern}': {Native.GetErrorMessage(errorCode)} at offset {result.output_length}");
}
return(new string(result.output, 0, (int)result.output_length));
}
finally
{
if (result.output != null)
{
Native.convert_result_free(result.output);
}
}
}
}
private static string BasicConvert(string pattern, uint options)
{
if (pattern == null)
{
throw new ArgumentNullException(nameof(pattern));
}
var input = new Native.convert_input
{
options = options
};
return(Convert(pattern, ref input));
}
public static string FromGlob(string pattern, PcreGlobConversionOptions options)
{
if (pattern == null)
{
throw new ArgumentNullException(nameof(pattern));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
var input = new Native.convert_input();
options.FillConvertInput(ref input);
return(Convert(pattern, ref input));
}
internal void FillConvertInput(ref Native.convert_input input)
{
input.options = GetConvertOptions();
input.glob_escape = EscapeCharacter;
input.glob_separator = SeparatorCharacter;
}