// Helper to invoke parser around a query string
private static IEnumerable <KeyValuePair <string, string> > ParseQueryString(string query)
{
List <KeyValuePair <string, string> > result = new List <KeyValuePair <string, string> >();
if (String.IsNullOrWhiteSpace(query))
{
return(result);
}
if (query.Length > 0 && query[0] == '?')
{
query = query.Substring(1);
}
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(query);
FormUrlEncodedParser parser = new FormUrlEncodedParser(result, Int64.MaxValue);
int bytesConsumed = 0;
ParserState state = parser.ParseBuffer(bytes, bytes.Length, ref bytesConsumed, isFinal: true);
if (state != ParserState.Done)
{
throw new InvalidOperationException(RS.Format(Properties.Resources.FormUrlEncodedParseError, bytesConsumed));
}
return(result);
}
/// <summary>
/// Reads all name-value pairs encoded as HTML Form URL encoded data and add them to
/// a collection as UNescaped URI strings.
/// </summary>
/// <param name="input">Stream to read from.</param>
/// <param name="bufferSize">Size of the buffer used to read the contents.</param>
/// <returns>Collection of name-value pairs.</returns>
private static IEnumerable <KeyValuePair <string, string> > ReadFormUrlEncoded(
Stream input,
int bufferSize
)
{
Contract.Assert(input != null, "input stream cannot be null");
Contract.Assert(
bufferSize >= MinBufferSize,
"buffer size cannot be less than MinBufferSize"
);
byte[] data = new byte[bufferSize];
int bytesRead;
bool isFinal = false;
List <KeyValuePair <string, string> > result = new List <KeyValuePair <string, string> >();
FormUrlEncodedParser parser = new FormUrlEncodedParser(result, Int64.MaxValue);
ParserState state;
while (true)
{
try
{
bytesRead = input.Read(data, 0, data.Length);
if (bytesRead == 0)
{
isFinal = true;
}
}
catch (Exception e)
{
throw Error.InvalidOperation(
e,
Properties.Resources.ErrorReadingFormUrlEncodedStream
);
}
int bytesConsumed = 0;
state = parser.ParseBuffer(data, bytesRead, ref bytesConsumed, isFinal);
if (state != ParserState.NeedMoreData && state != ParserState.Done)
{
throw Error.InvalidOperation(
Properties.Resources.FormUrlEncodedParseError,
bytesConsumed
);
}
if (isFinal)
{
return(result);
}
}
}
// Helper to invoke parser around a query string
private static IEnumerable <KeyValuePair <string, string> > ParseQueryString(string query)
{
List <KeyValuePair <string, string> > result = new List <KeyValuePair <string, string> >();
if (String.IsNullOrWhiteSpace(query))
{
return(result);
}
byte[] bytes = Encoding.UTF8.GetBytes(query);
FormUrlEncodedParser parser = new FormUrlEncodedParser(result, Int64.MaxValue);
int bytesConsumed = 0;
ParserState state = parser.ParseBuffer(bytes, bytes.Length, ref bytesConsumed, isFinal: true);
if (state != ParserState.Done)
{
throw Error.InvalidOperation(Resources.FormUrlEncodedParseError, bytesConsumed);
}
return(result);
}