/// <summary>
/// Parse a query string
/// </summary>
/// <param name="queryString">string to parse</param>
/// <returns>A collection</returns>
/// <exception cref="ArgumentNullException"><c>queryString</c> is <c>null</c>.</exception>
public ParameterCollection Parse(string queryString)
{
if (queryString == null)
throw new ArgumentNullException("queryString");
if (queryString.Length == 0)
return new ParameterCollection();
var reader = new StringReader(queryString);
var col = new ParameterCollection();
Parse(reader, col);
return col;
}
/// <summary>
/// Initializes a new instance of the <see cref="HttpHeaderValue" /> class.
/// </summary>
/// <param name="value">The value.</param>
/// <exception cref="System.ArgumentNullException">value</exception>
public HttpHeaderValue(string value)
{
if (value == null) throw new ArgumentNullException("value");
var pos = value.IndexOf(';');
if (pos == -1)
{
Value = value;
_parameters = new ParameterCollection();
}
else
{
Value = value.Substring(0, pos);
_parameters = ParameterCollection.Parse(value.Substring(pos + 1));
}
}
/// <summary>
/// Parse string
/// </summary>
/// <param name="value">contains "a=b,c=d" etc</param>
/// <param name="target">Collection to fill with the values</param>
public static void Parse(string value, ParameterCollection target)
{
if (value == null) throw new ArgumentNullException("value");
if (target == null) throw new ArgumentNullException("target");
var index = 0;
var lastCh = char.MinValue;
var name = "";
var oldPos = 0;
bool gotEquals = false;
while (index < value.Length)
{
var ch = value[index];
switch (ch)
{
case '=':
if (gotEquals)
break;
gotEquals = true;
if (lastCh != '\\')
{
name = value.Substring(oldPos, index - oldPos).Trim(' ');
oldPos = index + 1;
}
break;
case ',':
gotEquals = false;
if (lastCh != '\\')
{
target.Add(name, value.Substring(oldPos, index - oldPos).Trim(' ', '"'));
name = "";
oldPos = index + 1;
}
break;
}
lastCh = value[index];
++index;
}
if (name != "")
{
target.Add(name, value.Substring(oldPos).Trim(' ', '"'));
}
}
/// <summary>
/// Parse string
/// </summary>
/// <param name="value">contains "a=b,c=d" etc</param>
public static ParameterCollection Parse(string value)
{
var collection = new ParameterCollection();
Parse(value, collection);
return collection;
}
/// <summary>
///
/// </summary>
/// <param name="httpMethod">Method like <c>POST</c>.</param>
/// <param name="pathAndQuery">Absolute path and query string (if one exist)</param>
/// <param name="httpVersion">HTTP version like <c>HTTP/1.1</c></param>
public HttpRequest(string httpMethod, string pathAndQuery, string httpVersion) : base(httpMethod, pathAndQuery, httpVersion)
{
Form = new ParameterCollection();
Files = new HttpFileCollection();
Cookies = new HttpCookieCollection<IHttpCookie>();
}