protected override IQueryNode PreProcessNode(IQueryNode node)
{
if (node is FuzzyQueryNode)
{
FuzzyQueryNode fuzzyNode = (FuzzyQueryNode)node;
QueryConfigHandler config = GetQueryConfigHandler();
FuzzyConfig fuzzyConfig = null;
if (config != null && (fuzzyConfig = config.Get(ConfigurationKeys.FUZZY_CONFIG)) != null)
{
fuzzyNode.PrefixLength = fuzzyConfig.PrefixLength;
if (fuzzyNode.Similarity < 0)
{
fuzzyNode.Similarity = fuzzyConfig.MinSimilarity;
}
}
else if (fuzzyNode.Similarity < 0)
{
throw new ArgumentException("No FUZZY_CONFIG set in the config");
}
}
return(node);
}
public virtual Query Build(IQueryNode queryNode)
{
FuzzyQueryNode fuzzyNode = (FuzzyQueryNode)queryNode;
string text = fuzzyNode.GetTextAsString();
#pragma warning disable 612, 618
int numEdits = FuzzyQuery.SingleToEdits(fuzzyNode.Similarity,
text.CodePointCount(0, text.Length));
#pragma warning restore 612, 618
return(new FuzzyQuery(new Term(fuzzyNode.GetFieldAsString(), fuzzyNode
.GetTextAsString()), numEdits, fuzzyNode
.PrefixLength));
}
public IQueryNode Term(string field)
{
Token term, boost = null, fuzzySlop = null, goop1, goop2;
bool fuzzy = false;
bool regexp = false;
bool startInc = false;
bool endInc = false;
IQueryNode q = null;
FieldQueryNode qLower, qUpper;
#pragma warning disable 612, 618
float defaultMinSimilarity = Search.FuzzyQuery.DefaultMinSimilarity;
#pragma warning restore 612, 618
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.TERM:
case RegexpToken.REGEXPTERM:
case RegexpToken.NUMBER:
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.TERM:
term = Jj_consume_token(RegexpToken.TERM);
q = new FieldQueryNode(field, EscapeQuerySyntaxImpl.DiscardEscapeChar(term.image), term.beginColumn, term.endColumn);
break;
case RegexpToken.REGEXPTERM:
term = Jj_consume_token(RegexpToken.REGEXPTERM);
regexp = true;
break;
case RegexpToken.NUMBER:
term = Jj_consume_token(RegexpToken.NUMBER);
break;
default:
jj_la1[15] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.FUZZY_SLOP:
fuzzySlop = Jj_consume_token(RegexpToken.FUZZY_SLOP);
fuzzy = true;
break;
default:
jj_la1[16] = jj_gen;
break;
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.CARAT:
Jj_consume_token(RegexpToken.CARAT);
boost = Jj_consume_token(RegexpToken.NUMBER);
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.FUZZY_SLOP:
fuzzySlop = Jj_consume_token(RegexpToken.FUZZY_SLOP);
fuzzy = true;
break;
default:
jj_la1[17] = jj_gen;
break;
}
break;
default:
jj_la1[18] = jj_gen;
break;
}
if (fuzzy)
{
float fms = defaultMinSimilarity;
try
{
fms = Convert.ToSingle(fuzzySlop.image.Substring(1), CultureInfo.InvariantCulture);
}
#pragma warning disable 168
catch (Exception ignored) { }
#pragma warning restore 168
if (fms < 0.0f)
{
{ if (true)
{
throw new ParseException(new MessageImpl(QueryParserMessages.INVALID_SYNTAX_FUZZY_LIMITS));
}
}
}
else if (fms >= 1.0f && fms != (int)fms)
{
{ if (true)
{
throw new ParseException(new MessageImpl(QueryParserMessages.INVALID_SYNTAX_FUZZY_EDITS));
}
}
}
q = new FuzzyQueryNode(field, EscapeQuerySyntaxImpl.DiscardEscapeChar(term.image), fms, term.beginColumn, term.endColumn);
}
else if (regexp)
{
string re = term.image.Substring(1, (term.image.Length - 1) - 1);
q = new RegexpQueryNode(field, re, 0, re.Length);
}
break;
case RegexpToken.RANGEIN_START:
case RegexpToken.RANGEEX_START:
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGEIN_START:
Jj_consume_token(RegexpToken.RANGEIN_START);
startInc = true;
break;
case RegexpToken.RANGEEX_START:
Jj_consume_token(RegexpToken.RANGEEX_START);
break;
default:
jj_la1[19] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGE_GOOP:
goop1 = Jj_consume_token(RegexpToken.RANGE_GOOP);
break;
case RegexpToken.RANGE_QUOTED:
goop1 = Jj_consume_token(RegexpToken.RANGE_QUOTED);
break;
default:
jj_la1[20] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGE_TO:
Jj_consume_token(RegexpToken.RANGE_TO);
break;
default:
jj_la1[21] = jj_gen;
break;
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGE_GOOP:
goop2 = Jj_consume_token(RegexpToken.RANGE_GOOP);
break;
case RegexpToken.RANGE_QUOTED:
goop2 = Jj_consume_token(RegexpToken.RANGE_QUOTED);
break;
default:
jj_la1[22] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.RANGEIN_END:
Jj_consume_token(RegexpToken.RANGEIN_END);
endInc = true;
break;
case RegexpToken.RANGEEX_END:
Jj_consume_token(RegexpToken.RANGEEX_END);
break;
default:
jj_la1[23] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.CARAT:
Jj_consume_token(RegexpToken.CARAT);
boost = Jj_consume_token(RegexpToken.NUMBER);
break;
default:
jj_la1[24] = jj_gen;
break;
}
if (goop1.kind == RegexpToken.RANGE_QUOTED)
{
goop1.image = goop1.image.Substring(1, (goop1.image.Length - 1) - 1);
}
if (goop2.kind == RegexpToken.RANGE_QUOTED)
{
goop2.image = goop2.image.Substring(1, (goop2.image.Length - 1) - 1);
}
qLower = new FieldQueryNode(field,
EscapeQuerySyntaxImpl.DiscardEscapeChar(goop1.image), goop1.beginColumn, goop1.endColumn);
qUpper = new FieldQueryNode(field,
EscapeQuerySyntaxImpl.DiscardEscapeChar(goop2.image), goop2.beginColumn, goop2.endColumn);
q = new TermRangeQueryNode(qLower, qUpper, startInc ? true : false, endInc ? true : false);
break;
case RegexpToken.QUOTED:
term = Jj_consume_token(RegexpToken.QUOTED);
q = new QuotedFieldQueryNode(field, EscapeQuerySyntaxImpl.DiscardEscapeChar(term.image.Substring(1, (term.image.Length - 1) - 1)), term.beginColumn + 1, term.endColumn - 1);
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.FUZZY_SLOP:
fuzzySlop = Jj_consume_token(RegexpToken.FUZZY_SLOP);
break;
default:
jj_la1[25] = jj_gen;
break;
}
switch ((jj_ntk == -1) ? Jj_ntk() : jj_ntk)
{
case RegexpToken.CARAT:
Jj_consume_token(RegexpToken.CARAT);
boost = Jj_consume_token(RegexpToken.NUMBER);
break;
default:
jj_la1[26] = jj_gen;
break;
}
int phraseSlop = 0;
if (fuzzySlop != null)
{
try
{
phraseSlop = (int)Convert.ToSingle(fuzzySlop.image.Substring(1), CultureInfo.InvariantCulture);
q = new SlopQueryNode(q, phraseSlop);
}
#pragma warning disable 168
catch (Exception ignored)
#pragma warning restore 168
{
/* Should this be handled somehow? (defaults to "no PhraseSlop", if
* slop number is invalid)
*/
}
}
break;
default:
jj_la1[27] = jj_gen;
Jj_consume_token(-1);
throw new ParseException();
}
if (boost != null)
{
float f = (float)1.0;
try
{
f = Convert.ToSingle(boost.image, CultureInfo.InvariantCulture);
// avoid boosting null queries, such as those caused by stop words
if (q != null)
{
q = new BoostQueryNode(q, f);
}
}
#pragma warning disable 168
catch (Exception ignored)
#pragma warning restore 168
{
/* Should this be handled somehow? (defaults to "no boost", if
* boost number is invalid)
*/
}
}
{ if (true)
{
return(q);
}
}
throw new Exception("Missing return statement in function");
}