override protected bool MatchesQueryPart (QueryPart abstract_part)
{
if (abstract_part is QueryPart_Text) {
QueryPart_Text part;
part = (QueryPart_Text) abstract_part;
if (part.SearchFullText)
foreach (string str in body)
if (part.Text == str)
return true;
}
return false;
}
//////////////////////////////////////////////////////////////
//
// Code to determine a a file will match a particular query
//
private bool MatchesQueryPart (QueryPart abstract_part)
{
bool is_match;
is_match = false;
if (abstract_part is QueryPart_Text) {
QueryPart_Text part;
part = abstract_part as QueryPart_Text;
if ((part.SearchTextProperties && Name == part.Text)
|| (part.SearchFullText && BodyContains (part.Text)))
is_match = true;
} else if (abstract_part is QueryPart_Or) {
QueryPart_Or part;
part = abstract_part as QueryPart_Or;
foreach (QueryPart sub_part in part.SubParts) {
if (MatchesQueryPart (sub_part)) {
is_match = true;
break;
}
}
} else if (abstract_part is QueryPart_Property) {
QueryPart_Property part;
part = abstract_part as QueryPart_Property;
if (part.Key == "beagle:MimeType") {
if (part.Value == "inode/directory")
is_match = IsDirectory;
else if (part.Value == "text/plain")
is_match = IsFile;
else
is_match = false;
} else if (part.Key == "beagle:ExactFilename") {
is_match = (Name == part.Value);
} else {
throw new Exception ("Unsupported property " + part.Key);
}
} else if (abstract_part is QueryPart_DateRange) {
QueryPart_DateRange part;
part = abstract_part as QueryPart_DateRange;
// FIXME: We assume that the query refers to the file timestamp.
// Instead, we should explicitly check part.Key.
is_match = (part.StartDate <= Mtime && Mtime <= part.EndDate);
} else {
throw new Exception ("Unsupported part");
}
if (abstract_part.Logic == QueryPartLogic.Prohibited)
is_match = ! is_match;
return is_match;
}
// FIXME: Really the only thing that is allowed as a subpart
// of an 'Or' part are required (not prohibited) text or
// property queries. We should be clearer about the rules,
// and enforce them.
public void Add(QueryPart part)
{
sub_parts.Add(part);
}
// Returns:
// 1 if it is a match
// 0 if it doesn't apply
// -1 if it doesn't match
private int MatchesMetadata (QueryPart abstract_part)
{
int is_match = 0;
if (abstract_part is QueryPart_Text) {
QueryPart_Text part;
part = (QueryPart_Text) abstract_part;
if (part.SearchTextProperties && part.Text == base_name)
is_match = 1;
} else if (abstract_part is QueryPart_Property) {
QueryPart_Property part;
part = (QueryPart_Property) abstract_part;
if (part.Key == "beagle:MimeType") {
is_match = (part.Value == this.MimeType) ? 1 : -1;
} else if (part.Key == "beagle:Filename") {
is_match = (part.Value == base_name) ? 1 : -1;
} else if (part.Key == "beagle:ExactFilename") {
is_match = (part.Value == Name) ? 1 : -1;
}
} else if (abstract_part is QueryPart_DateRange) {
QueryPart_DateRange part;
part = (QueryPart_DateRange) abstract_part;
is_match = (part.StartDate <= Timestamp && Timestamp <= part.EndDate) ? 1 : -1;
}
return is_match;
}
/////////////////////////////////////////////////////////////
static public string QueryPartToString (QueryPart abstract_part)
{
string msg;
msg = "????";
if (abstract_part is QueryPart_Text) {
QueryPart_Text part;
part = (QueryPart_Text) abstract_part;
msg = part.Text;
if (! (part.SearchFullText && part.SearchTextProperties)) {
if (part.SearchFullText)
msg += " IN FULLTEXT";
else if (part.SearchTextProperties)
msg += " IN TEXT PROPERTIES";
} else
msg += " IN ANY TEXT";
} else if (abstract_part is QueryPart_Property) {
QueryPart_Property part;
part = (QueryPart_Property) abstract_part;
msg = String.Format ("PROPERTY {0} = {1}", part.Key, part.Value);
} else if (abstract_part is QueryPart_DateRange) {
QueryPart_DateRange part;
part = (QueryPart_DateRange) abstract_part;
msg = String.Format ("DATE RANGE {0} to {1}", part.StartDate, part.EndDate);
}
if (abstract_part.Logic == QueryPartLogic.Prohibited)
msg = "NOT " + msg;
return msg;
}
//////////////////////////////////////////////////// abstract protected bool MatchesQueryPart (QueryPart part);
public void AddPart (QueryPart part)
{
if (part != null)
parts.Add (part);
}
override protected bool MatchesQueryPart (QueryPart part)
{
// The only thing that could match is the name, and we check
// for that already in FileSystemObject.MatchesQuery.
return false;
}
///////////////////////////////////////////////////////////////////////
// All of the query parts than can possibly match a directory are handled
// in FileSystemObject.MatchesQuery.
override protected bool MatchesQueryPart (QueryPart abstract_part)
{
return false;
}
// FIXME: Really the only thing that is allowed as a subpart
// of an 'Or' part are required (not prohibited) text or
// property queries. We should be clearer about the rules,
// and enforce them.
public void Add (QueryPart part)
{
sub_parts.Add (part);
}