|
static private GetNameValueLength ( string input, int startIndex, Func |
||
| input | string | |
| startIndex | int | |
| nameValueCreator | Func |
|
| parsedValue | ||
| return | int | |
internal static int GetNameValueListLength(
string input,
int startIndex,
char delimiter,
ObjectCollection <NameValueHeaderValue> nameValueCollection)
{
if (string.IsNullOrEmpty(input) || startIndex >= input.Length)
{
return(0);
}
int startIndex1 = startIndex + HttpRuleParser.GetWhitespaceLength(input, startIndex);
int index;
while (true)
{
NameValueHeaderValue parsedValue = (NameValueHeaderValue)null;
int nameValueLength = NameValueHeaderValue.GetNameValueLength(input, startIndex1, NameValueHeaderValue.s_defaultNameValueCreator, out parsedValue);
if (nameValueLength != 0)
{
nameValueCollection.Add(parsedValue);
int startIndex2 = startIndex1 + nameValueLength;
index = startIndex2 + HttpRuleParser.GetWhitespaceLength(input, startIndex2);
if (index != input.Length && (int)input[index] == (int)delimiter)
{
int startIndex3 = index + 1;
startIndex1 = startIndex3 + HttpRuleParser.GetWhitespaceLength(input, startIndex3);
}
else
{
goto label_6;
}
}
else
{
break;
}
}
return(0);
label_6:
return(index - startIndex);
}
// Returns the length of a name/value list, separated by 'delimiter'. E.g. "a=b, c=d, e=f" adds 3
// name/value pairs to 'nameValueCollection' if 'delimiter' equals ','.
internal static int GetNameValueListLength(string?input, int startIndex, char delimiter,
ObjectCollection <NameValueHeaderValue> nameValueCollection)
{
Debug.Assert(nameValueCollection != null);
Debug.Assert(startIndex >= 0);
if ((string.IsNullOrEmpty(input)) || (startIndex >= input.Length))
{
return(0);
}
int current = startIndex + HttpRuleParser.GetWhitespaceLength(input, startIndex);
while (true)
{
NameValueHeaderValue?parameter;
int nameValueLength = NameValueHeaderValue.GetNameValueLength(input, current,
s_defaultNameValueCreator, out parameter);
if (nameValueLength == 0)
{
return(0);
}
nameValueCollection.Add(parameter !);
current = current + nameValueLength;
current = current + HttpRuleParser.GetWhitespaceLength(input, current);
if ((current == input.Length) || (input[current] != delimiter))
{
// We're done and we have at least one valid name/value pair.
return(current - startIndex);
}
// input[current] is 'delimiter'. Skip the delimiter and whitespace and try to parse again.
current++; // skip delimiter.
current = current + HttpRuleParser.GetWhitespaceLength(input, current);
}
}
internal static int GetNameValueLength(string input, int startIndex, out NameValueHeaderValue parsedValue)
{
return(NameValueHeaderValue.GetNameValueLength(input, startIndex, NameValueHeaderValue.defaultNameValueCreator, out parsedValue));
}