public QueryTerm addFileType(String term, bool include)
{
if (include)
{
if (null == IncludeFiletype)
{
IncludeFiletype = new ArrayList();
}
IncludeFiletype.Add(term);
}
else
{
if (null == ExcludeFiletype)
{
ExcludeFiletype = new ArrayList();
}
ExcludeFiletype.Add(term);
}
return(this);
}
/// <summary>
/// Extracts QueryTerm properties from a querystring.
/// </summary>
/// <param name="queryString"></param>
public void Populate(string queryString)
{
// pad the querystring with a space to make our job easier
queryString += _SP;
string[] flagArray = new string[] { _NOT_IN_TITLE, _NOT_IN_URL, _EXCLUDE_FILETYPE, _EXCLUDE_SITE, _IN_TITLE, _IN_URL, _INCLUDE_FILETYPE, _INCLUDE_SITE, _CACHE, _INFO, _LINK, _ALL_IN_TITLE, _ALL_IN_URL };
foreach (string flag in flagArray)
{
// loop through all instances of the flag
while (queryString.Contains(flag))
{
// extract the flag and value from our querystring for further processing
int startIndex = queryString.IndexOf(flag);
string extract = null;
if (flag == _ALL_IN_URL || flag == _ALL_IN_TITLE)
{
// capture from flag till the next flag or the end of the line
int nextFlagIndex = queryString.IndexOfAny(flagArray);
extract = queryString.Substring(startIndex, nextFlagIndex != -1 ? nextFlagIndex : queryString.Length - startIndex);
}
else // capture till first space
{
extract = queryString.Substring(startIndex, queryString.IndexOf(_SP, startIndex) - startIndex);
}
// remove the extract from our querystring
queryString = queryString.Remove(startIndex, extract.Length);
// update the appropriate property
string value = extract.Remove(0, flag.Length);
switch (flag)
{
case _IN_TITLE:
AllInTitleTerms.Add(value);
break;
case _NOT_IN_TITLE:
NotInTitleTerms.Add(value);
break;
case _IN_URL:
InUrlTerms.Add(value);
break;
case _NOT_IN_URL:
NotInTitleTerms.Add(value);
break;
case _INCLUDE_FILETYPE:
IncludeFiletype.Add(value);
break;
case _EXCLUDE_FILETYPE:
ExcludeFiletype.Add(value);
break;
case _INCLUDE_SITE:
IncludeSite = true;
Site = value;
break;
case _EXCLUDE_SITE:
IncludeSite = false;
Site = value;
break;
case _LINK:
Link = value;
break;
case _INFO:
WebDocLocation = value;
break;
case _CACHE:
CacheDocLocation = value;
break;
default:
throw new NotImplementedException();
break;
}
}
}
// anything that is left over is the querystring
this.QueryString = queryString.Trim();
}
