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import "oktavia.jsx";
class Proposal
{
var omit : int;
var expect : int;
function constructor (omit : int, expect : int)
{
this.omit = omit;
this.expect = expect;
}
}
class Position
{
var word : string;
var position : int;
var stemmed : boolean;
function constructor (word : string, position : int, stemmed : boolean)
{
this.word = word;
this.position = position;
this.stemmed = stemmed;
}
}
class SearchUnit
{
var positions : Map.<Position>;
var id : int;
var _size : int;
var score : int;
var startPosition : int;
function constructor (id : int)
{
this.positions = {} : Map.<Position>;
this.id = id;
this._size = 0;
this.score = 0;
this.startPosition = -1;
}
function addPosition (word : string, position : int, stemmed : boolean) : void
{
var positionObj = this.positions[position as string];
if (!positionObj)
{
this._size++;
this.positions[position as string] = new Position(word, position, stemmed);
}
else
{
if (positionObj.word.length < word.length)
{
positionObj.word = word;
}
positionObj.stemmed = positionObj.stemmed && stemmed;
}
}
function get (position : int) : Nullable.<Position>
{
return this.positions[position as string];
}
function size () : int
{
return this._size;
}
function merge (rhs : SearchUnit) : void
{
for (var position in rhs.positions)
{
var pos = rhs.positions[position];
this.addPosition(pos.word, pos.position, pos.stemmed);
}
}
function getPositions () : Position[]
{
var result = [] : Position[];
for (var pos in this.positions)
{
result.push(this.positions[pos]);
}
result.sort((a : Position, b : Position) -> ((a.position - b.position) as number));
return result;
}
}
class SingleResult
{
var units : SearchUnit[];
var unitIds : int[];
var or : boolean;
var not : boolean;
var searchWord : string;
function constructor ()
{
this.units = [] : SearchUnit[];
this.unitIds = [] : int[];
this.or = false;
this.not = false;
this.searchWord = '';
}
function constructor (searchWord : string, or : boolean, not : boolean)
{
this.units = [] : SearchUnit[];
this.unitIds = [] : int[];
this.or = or;
this.not = not;
this.searchWord = searchWord;
}
function getSearchUnit (unitId : int) : SearchUnit
{
var existing = this.unitIds.indexOf(unitId);
var result : SearchUnit;
if (existing == -1)
{
result = new SearchUnit(unitId);
this.units.push(result);
this.unitIds.push(unitId);
}
else
{
result = this.units[existing];
}
return result;
}
function merge (rhs : SingleResult) : SingleResult
{
var result = new SingleResult();
if (rhs.or)
{
this._orMerge(result, rhs);
}
else if (rhs.not)
{
this._notMerge(result, rhs);
}
else
{
this._andMerge(result, rhs);
}
return result;
}
function size () : int
{
return this.units.length;
}
function _andMerge (result : SingleResult, rhs : SingleResult) : void
{
for (var i = 0; i < this.unitIds.length; i++)
{
var id = this.unitIds[i];
if (rhs.unitIds.indexOf(id) != -1)
{
var lhsSection = this.units[i];
result.unitIds.push(id);
result.units.push(lhsSection);
}
}
}
function _orMerge (result : SingleResult, rhs : SingleResult) : void
{
result.unitIds = this.unitIds.slice(0, this.unitIds.length);
result.units = this.units.slice(0, this.units.length);
for (var i = 0; i < rhs.unitIds.length; i++)
{
var id = rhs.unitIds[i];
var rhsSection = rhs.units[i];
if (result.unitIds.indexOf(id) != -1)
{
var lhsSection = result.units[result.unitIds.indexOf(id)];
lhsSection.merge(rhsSection);
}
else
{
result.unitIds.push(id);
result.units.push(rhsSection);
}
}
}
function _notMerge (result : SingleResult, rhs : SingleResult) : void
{
for (var i = 0; i < this.unitIds.length; i++)
{
var id = this.unitIds[i];
if (rhs.unitIds.indexOf(id) == -1)
{
var lhsSection = this.units[i];
result.unitIds.push(id);
result.units.push(lhsSection);
}
}
}
}
class SearchSummary
{
var sourceResults : SingleResult[];
var result : Nullable.<SingleResult>;
var oktavia : Nullable.<Oktavia>;
function constructor()
{
this.sourceResults = [] : SingleResult[];
this.result = null;
this.oktavia = null;
}
function constructor (oktavia : Oktavia)
{
this.sourceResults = [] : SingleResult[];
this.result = null;
this.oktavia = oktavia;
}
function addQuery(result : SingleResult) : void
{
this.sourceResults.push(result);
}
function mergeResult () : void
{
this.result = this.mergeResult(this.sourceResults);
}
function mergeResult (results : SingleResult[]) : SingleResult
{
var rhs = results[0];
for (var i = 1; i < results.length; i++)
{
rhs = rhs.merge(results[i]);
}
return rhs;
}
function getProposal () : Proposal[]
{
var proposals = [] : Proposal[];
for (var i = 0; i < this.sourceResults.length; i++)
{
var tmpSource = [] : SingleResult[];
for (var j = 0; j < this.sourceResults.length; j++)
{
if (i != j)
{
tmpSource.push(this.sourceResults[j]);
}
}
var result = this.mergeResult(tmpSource);
proposals.push(new Proposal(i, result.size()));
}
proposals.sort((a : Proposal, b : Proposal) -> ((b.expect - a.expect) as number));
return proposals;
}
function getSortedResult () : SearchUnit[]
{
var result = this.result.units.slice(0, this.result.units.length);
result.sort((a : SearchUnit, b : SearchUnit) -> ((b.score - a.score) as number));
return result;
}
function size () : int
{
return this.result.size();
}
function add (result : SingleResult) : void
{
this.sourceResults.push(result);
}
}
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