// ---------[ FILTER CONTROL ]---------
/// <summary>Sets the title filter and refreshes the view.</summary>
public void SetNameFieldFilter(string nameFilter)
{
EqualToFilter <string> oldFilter = this.nameFieldFilter;
// null-checks
if (nameFilter == null)
{
nameFilter = string.Empty;
}
string oldFilterValue = string.Empty;
if (oldFilter != null &&
oldFilter.filterValue != null)
{
oldFilterValue = oldFilter.filterValue;
}
// apply filter
if (oldFilterValue.ToUpper() != nameFilter.ToUpper())
{
// set
EqualToFilter <string> newFieldFilter = null;
if (!string.IsNullOrEmpty(nameFilter))
{
newFieldFilter = new EqualToFilter <string>()
{
filterValue = nameFilter,
};
}
this.SetFieldFilters(ModIO.API.GetAllModsFilterFields.fullTextSearch,
newFieldFilter);
}
}
private static void BuildRefrenceCode(SelectBuilder select, FapColumn column, AliasedSource table, string refAlias)
{
string colName = column.RefCode;
if (colName.IsPresent())
{
colName = "Id";
}
SelectBuilder inner = new SelectBuilder();
AliasedSource innerTable = inner.AddTable(new Table($"{column.RefTable}"), refAlias);
inner.AddProjection(innerTable.Column($"{colName}"));
if (column.MultiAble == 1) //是否多选
{
}
FilterGroup joinFilter = new FilterGroup(Conjunction.And,
new EqualToFilter(innerTable.Column($"{column.RefID}"), table.Column(column.ColName)),
new LessThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_EnableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
new GreaterThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_DisableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
new EqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_Dr), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_Dr)));
if (column.RefTable.EqualsWithIgnoreCase(nameof(FapColumn)))
{
IFilter filter = new EqualToFilter(innerTable.Column("TableName"), table.Column("TableName"));
joinFilter.AddFilter(filter);
}
inner.AddWhere(joinFilter);
select.AddProjection(inner, $"{column.ColName}MCID");
}
protected override void VisitEqualToFilter(EqualToFilter item)
{
if (this.Mode == VisitMode.Filter)
{
VisitOrderFilter(item);
}
else if (Mode == VisitMode.From)
{
EqualToFilter = item;
//TODO: Tidy this up use more of visitor pattern?
LeftColumn = item.LeftHand as Column;
RightColumn = item.RightHand as Column;
// GuardOnColumn(leftColumn);
// GuardOnColumn(rightColumn);
LeftTable = LeftColumn.Source.Source as Table;
RightTable = RightColumn.Source.Source as Table;
// LeftEntityName =
// LinkEntity.LinkFromEntityName = LeftTable.GetTableLogicalEntityName();
// LinkEntity.LinkToEntityName = RightTable.GetTableLogicalEntityName();
// LinkEntity.LinkFromAttributeName = LeftColumn.GetColumnLogicalAttributeName();
// LinkEntity.LinkToAttributeName = RightColumn.GetColumnLogicalAttributeName();
}
}
protected override void VisitEqualToFilter(EqualToFilter item)
{
EqualToFilter = item;
CurrentWhereFilterPart = WhereFilterPart.LeftHand;
item.LeftHand.Accept(this);
CurrentWhereFilterPart = WhereFilterPart.RightHand;
item.RightHand.Accept(this);
}
protected override void VisitEqualToFilter(EqualToFilter item)
{
EqualToFilter = item;
IsVisitingFilterItem = true;
item.LeftHand.Accept(this);
IsVisitingRightFilterItem = true;
item.RightHand.Accept(this);
IsVisitingRightFilterItem = false;
IsVisitingFilterItem = false;
}
/// <summary>Gets the title filter string.</summary>
public string GetTitleFilter()
{
EqualToFilter <string> filter = this.nameFieldFilter;
if (filter == null)
{
return(null);
}
else
{
return(filter.filterValue);
}
}
// ---------[ FILTER CONTROL ]---------
/// <summary>Sets the title filter and refreshes the view.</summary>
public void SetNameFieldFilter(string nameFilter)
{
EqualToFilter <string> oldFilter = this.nameFieldFilter;
// null-checks
if (nameFilter == null)
{
nameFilter = string.Empty;
}
string oldFilterValue = string.Empty;
if (oldFilter != null &&
oldFilter.filterValue != null)
{
oldFilterValue = oldFilter.filterValue;
}
// apply filter
if (oldFilterValue.ToUpper() != nameFilter.ToUpper())
{
// set
if (String.IsNullOrEmpty(nameFilter))
{
this.nameFieldFilter = null;
}
else
{
EqualToFilter <string> newFieldFilter = new EqualToFilter <string>()
{
filterValue = nameFilter,
};
this.nameFieldFilter = newFieldFilter;
}
// refresh
if (this.isActiveAndEnabled)
{
this.Refresh();
}
// notify
if (this.onRequestFilterChanged != null)
{
this.onRequestFilterChanged.Invoke(this.m_requestFilter);
}
}
}
private IFilter CreateFilter(OperatorType operators, string propertyName, string propertyValue)
{
IFilter filter = null;
switch (operators)
{
case OperatorType.eq:
filter = new EqualToFilter(propertyName, propertyValue);
break;
case OperatorType.ne:
filter = new NotEqualToFilter(propertyName, propertyValue);
break;
case OperatorType.startswith:
filter = new StartsWithFilter(propertyName, propertyValue);
break;
case OperatorType.endswith:
filter = new EndsWithFilter(propertyName, propertyValue);
break;
case OperatorType.substringof:
filter = new SubstringFilter(propertyName, propertyValue);
break;
/* currently not supported
* case OperatorType.lt:
* filter = new LessThanFilter(propertyName, propertyValue);
* break;
* case OperatorType.le:
* filter = new LessThanOrEqualFilter(propertyName, propertyValue);
* break;
* case OperatorType.gt:
* filter = new GreaterThanFilter(propertyName, propertyValue);
* break;
* case OperatorType.ge:
* filter = new GreaterThanOrEqualFilter(propertyName, propertyValue);
* break;
*/
}
return(filter);
}
private static void BuildRefrenceName(SelectBuilder select, FapColumn column, AliasedSource table, string refAlias)
{
SelectBuilder inner = new SelectBuilder();
AliasedSource innerTable = inner.AddTable(new Table($"{column.RefTable}"), refAlias);
inner.AddProjection(innerTable.Column($"{column.RefName}"));
FilterGroup joinFilter = new FilterGroup(Conjunction.And,
new EqualToFilter(innerTable.Column($"{column.RefID}"), table.Column(column.ColName)),
new LessThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_EnableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
new GreaterThanEqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_DisableDate), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_CurrentDate)),
new EqualToFilter(innerTable.Column(FapDbConstants.FAPCOLUMN_FIELD_Dr), new ParameterLiteral(FapDbConstants.FAPCOLUMN_PARAM_Dr)));
if (column.RefTable.EqualsWithIgnoreCase(nameof(FapColumn)))
{
//fapcolumn存在重复colName，加一个去重
IFilter filter = new EqualToFilter(innerTable.Column("TableName"), table.Column("RefTable"));
joinFilter.AddFilter(filter);
}
inner.AddWhere(joinFilter);
select.AddProjection(inner, $"{column.ColName}MC");
}
/// <summary>
/// Generates the text for an EqualToFilter builder.
/// </summary>
/// <param name="item">The EqualToFilter builder to generate the text for.</param>
protected internal override void VisitEqualToFilter(EqualToFilter item)
{
visitOrderedFilter(item, "=");
}
IContentExpression ParseExpression(Queue <DslToken> q, Func <DslToken, bool> terminate)
{
IContentExpression exp = null;
while (q.Count > 0)
{
var lookAhead = q.Peek();
if (terminate(lookAhead))
{
break;
}
else if (lookAhead.IsConstant())
{
if (exp != null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
var token = q.DequeueAndValidate(Utils.ConstantTokens);
exp = CreateConstant(token);
}
else if (lookAhead.TokenType == TokenType.Equals)
{
if (exp == null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
var token = q.DequeueAndValidate(TokenType.Equals);
exp = new EqualToFilter(exp,
ParseExpression(q, t => t.TokenType == TokenType.And || t.TokenType == TokenType.Or || terminate(t)));
}
else if (lookAhead.TokenType == TokenType.Contains)
{
if (exp == null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
var token = q.DequeueAndValidate(TokenType.Contains);
exp = new ContainsFilter(exp,
ParseExpression(q, t => t.TokenType == TokenType.And || t.TokenType == TokenType.Or || terminate(t)));
}
else if (lookAhead.TokenType == TokenType.MatchRegex)
{
if (exp == null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
var token = q.DequeueAndValidate(TokenType.MatchRegex);
var pattern = q.DequeueAndValidate(TokenType.String);
exp = new RegexFilter(exp, pattern.Value);
}
else if (lookAhead.TokenType == TokenType.And)
{
if (exp == null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
var token = q.DequeueAndValidate(TokenType.And);
if (exp is IContentFilter leftBool)
{
var right = ParseExpression(q, terminate);
if (right is IContentFilter rightBool)
{
exp = new AndFilter(leftBool, rightBool);
}
else
{
throw new ParserException("AND cannot have a right operand that does not yield boolean", token);
}
}
else
{
throw new ParserException("AND cannot have a left operand that does not yield boolean", token);
}
}
else if (lookAhead.TokenType == TokenType.Or)
{
if (exp == null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
var token = q.DequeueAndValidate(TokenType.Or);
if (exp is IContentFilter leftBool)
{
var right = ParseExpression(q, terminate);
if (right is IContentFilter rightBool)
{
exp = new OrFilter(leftBool, rightBool);
}
else
{
throw new ParserException("OR cannot have a right operand that does not yield boolean", token);
}
}
else
{
throw new ParserException("OR cannot have a left operand that does not yield boolean", token);
}
}
else if (lookAhead.TokenType == TokenType.Path)
{
if (exp == null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
var token = q.DequeueAndValidate(TokenType.Path);
exp = new PathExpression(exp, ContentPath.Parse($"$.{token.Value.TrimStart('.')}"));
}
else if (lookAhead.TokenType == TokenType.DollarSign)
{
if (exp != null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
q.DequeueAndValidate(TokenType.DollarSign);
exp = new ScopeRootExpression();
}
else if (lookAhead.TokenType == TokenType.OpenCurly)
{
if (exp != null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
exp = CreateObjectExpression(q);
}
else if (lookAhead.TokenType == TokenType.OpenSquareBracket)
{
if (exp != null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
exp = CreateListExpression(q);
}
else if (lookAhead.TokenType == TokenType.OpenBracket)
{
if (exp != null)
{
throw new ParserException($"Unexpected token", lookAhead);
}
q.DequeueAndValidate(TokenType.OpenBracket); // open bracket (
exp = ParseExpression(q, t => t.TokenType == TokenType.CloseBracket);
q.DequeueAndValidate(TokenType.CloseBracket); // close bracket )
}
else
{
throw new ParserException($"Unexpected token", lookAhead);
}
}
if (exp == null)
{
throw new ParserException($"Unexpected end", null);
}
return(exp);
}
public void EqualToFilter()
{
var filter = new EqualToFilter("Name", "ShareFile");
filter.ToString().Should().Be("Name eq 'ShareFile'");
}
