//////////////////////////////////////////////////////////////////////
/// <summary>Constructor, given a category as a string from the URI.</summary>
//////////////////////////////////////////////////////////////////////
public QueryCategory(string strCategory, QueryCategoryOperator op)
{
//Tracing.TraceMsg("Depersisting category from: " + strCategory);
this.categoryOperator = op;
strCategory = FeedQuery.CleanPart(strCategory);
// let's parse the string
if (strCategory[0] == '-')
{
// negator
this.isExcluded = true;
// remove him
strCategory = strCategory.Substring(1, strCategory.Length - 1);
}
// let's extract the scheme if there is one...
int iStart = strCategory.IndexOf('{');
int iEnd = strCategory.IndexOf('}');
AtomUri scheme = null;
if (iStart != -1 && iEnd != -1)
{
//
iEnd++;
iStart++;
scheme = new AtomUri(strCategory.Substring(iStart, iEnd - iStart - 1));
// the rest is then
strCategory = strCategory.Substring(iEnd, strCategory.Length - iEnd);
}
//Tracing.TraceMsg("Category found: " + strCategory + " - scheme: " + scheme);
this.category = new AtomCategory(strCategory, scheme);
}
// end of accessor public bool CategoryQueriesAsParameter
#if WindowsCE || PocketPC
#else
//////////////////////////////////////////////////////////////////////
/// <summary>Passing in a complete URI, we strip all the
/// GData query-related things and then treat the rest
/// as the base URI. For this we create a service.</summary>
/// <param name="uri">a complete URI</param>
/// <param name="service">the new GData service for this URI</param>
/// <param name="query">the parsed query object for this URI</param>
//////////////////////////////////////////////////////////////////////
public static void Parse(Uri uri, out Service service, out FeedQuery query)
{
query = new FeedQuery();
query.ParseUri(uri);
service = new Service();
}
/// <summary>
/// helper method to setup a query object with some parameters
/// based on a requestsettings
/// </summary>
/// <param name="q"></param>
/// <param name="settings"></param>
internal static void PrepareQuery(FeedQuery q, RequestSettings settings)
{
if (settings.PageSize != -1)
{
q.NumberToRetrieve = settings.PageSize;
}
if (settings.OAuthUser != null)
{
q.OAuthRequestorId = settings.OAuthUser;
if (settings.OAuthDomain != null)
{
q.OAuthRequestorId += "@" + settings.OAuthDomain;
}
}
}
/// <summary>
/// helper to format a DateTime parameter into the query
/// </summary>
/// <param name="value"></param>
/// <param name="parameterName"></param>
/// <param name="connect"></param>
/// <param name="builder"></param>
/// <returns></returns>
protected static char AppendQueryPart(DateTime value, string parameterName, char connect, StringBuilder builder)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
if (builder.ToString().IndexOf(parameterName + "=") == -1)
{
if (Utilities.IsPersistable(value))
{
return(FeedQuery.AppendQueryPart(Utilities.LocalDateTimeInUTC(value), parameterName, connect, builder));
}
}
return(connect);
}
