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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsIAbLDAPAttributeMap.h"
#include "nsAbBoolExprToLDAPFilter.h"
#include "nsStringGlue.h"
#include "nsIArray.h"
#include "nsArrayUtils.h"
const int nsAbBoolExprToLDAPFilter::TRANSLATE_CARD_PROPERTY = 1 << 0 ;
const int nsAbBoolExprToLDAPFilter::ALLOW_NON_CONVERTABLE_CARD_PROPERTY = 1 << 1 ;
nsresult nsAbBoolExprToLDAPFilter::Convert (
nsIAbLDAPAttributeMap* map,
nsIAbBooleanExpression* expression,
nsCString& filter,
int flags)
{
nsCString f;
nsresult rv = FilterExpression (map, expression, f, flags);
NS_ENSURE_SUCCESS(rv, rv);
filter = f;
return rv;
}
nsresult nsAbBoolExprToLDAPFilter::FilterExpression (
nsIAbLDAPAttributeMap* map,
nsIAbBooleanExpression* expression,
nsCString& filter,
int flags)
{
nsCOMPtr<nsIArray> childExpressions;
nsresult rv = expression->GetExpressions(getter_AddRefs(childExpressions));
NS_ENSURE_SUCCESS(rv, rv);
uint32_t count;
rv = childExpressions->GetLength(&count);
NS_ENSURE_SUCCESS(rv, rv);
if (count == 0)
return NS_OK;
nsAbBooleanOperationType operation;
rv = expression->GetOperation(&operation);
NS_ENSURE_SUCCESS(rv, rv);
/*
* 3rd party query integration with Mozilla is achieved
* by calling nsAbLDAPDirectoryQuery::DoQuery(). Thus
* we can arrive here with a query asking for all the
* ldap attributes using the card:nsIAbCard interface.
*
* So we need to check that we are not creating a condition
* filter against this expression otherwise we will end up with an invalid
* filter equal to "(|)".
*/
if (count == 1 )
{
nsCOMPtr<nsIAbBooleanConditionString>
childCondition(do_QueryElementAt(childExpressions, 1, &rv));
if (NS_SUCCEEDED(rv))
{
nsCString name;
rv = childCondition->GetName (getter_Copies (name));
NS_ENSURE_SUCCESS(rv, rv);
if(name.Equals("card:nsIAbCard"))
return NS_OK;
}
}
filter.AppendLiteral("(");
switch (operation)
{
case nsIAbBooleanOperationTypes::AND:
filter.AppendLiteral("&");
rv = FilterExpressions (map, childExpressions, filter, flags);
break;
case nsIAbBooleanOperationTypes::OR:
filter.AppendLiteral("|");
rv = FilterExpressions (map, childExpressions, filter, flags);
break;
case nsIAbBooleanOperationTypes::NOT:
if (count > 1)
return NS_ERROR_FAILURE;
filter.AppendLiteral("!");
rv = FilterExpressions (map, childExpressions, filter, flags);
break;
default:
break;
}
filter.AppendLiteral(")");
return rv;
}
nsresult nsAbBoolExprToLDAPFilter::FilterExpressions (
nsIAbLDAPAttributeMap *map,
nsIArray* expressions,
nsCString& filter,
int flags)
{
uint32_t count;
nsresult rv = expressions->GetLength(&count);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIAbBooleanConditionString> childCondition;
nsCOMPtr<nsIAbBooleanExpression> childExpression;
for (uint32_t i = 0; i < count; i++)
{
childCondition = do_QueryElementAt(expressions, i, &rv);
if (NS_SUCCEEDED(rv))
{
rv = FilterCondition (map, childCondition, filter, flags);
NS_ENSURE_SUCCESS(rv, rv);
continue;
}
childExpression = do_QueryElementAt(expressions, i, &rv);
if (NS_SUCCEEDED(rv))
{
rv = FilterExpression (map, childExpression, filter, flags);
NS_ENSURE_SUCCESS(rv, rv);
continue;
}
}
return rv;
}
nsresult nsAbBoolExprToLDAPFilter::FilterCondition (
nsIAbLDAPAttributeMap* map,
nsIAbBooleanConditionString* condition,
nsCString& filter,
int flags)
{
nsCString name;
nsresult rv = condition->GetName(getter_Copies (name));
NS_ENSURE_SUCCESS(rv, rv);
nsAutoCString ldapAttr(name);
if (flags & TRANSLATE_CARD_PROPERTY)
{
rv = map->GetFirstAttribute (name, ldapAttr);
if (!(flags & ALLOW_NON_CONVERTABLE_CARD_PROPERTY) &&
!ATTRMAP_FOUND_ATTR(rv, ldapAttr))
return NS_OK;
}
nsAbBooleanConditionType conditionType;
rv = condition->GetCondition(&conditionType);
NS_ENSURE_SUCCESS(rv, rv);
nsString value;
rv = condition->GetValue (getter_Copies (value));
NS_ENSURE_SUCCESS(rv, rv);
NS_ConvertUTF16toUTF8 vUTF8 (value);
switch (conditionType)
{
case nsIAbBooleanConditionTypes::DoesNotExist:
filter.AppendLiteral("(!(");
filter.Append(ldapAttr);
filter.AppendLiteral("=*))");
break;
case nsIAbBooleanConditionTypes::Exists:
filter.AppendLiteral("(");
filter.Append(ldapAttr);
filter.AppendLiteral("=*)");
break;
case nsIAbBooleanConditionTypes::Contains:
filter.AppendLiteral("(");
filter.Append(ldapAttr);
filter.Append("=*");
filter.Append(vUTF8);
filter.AppendLiteral("*)");
break;
case nsIAbBooleanConditionTypes::DoesNotContain:
filter.AppendLiteral("(!(");
filter.Append(ldapAttr);
filter.AppendLiteral("=*");
filter.Append(vUTF8);
filter.AppendLiteral("*))");
break;
case nsIAbBooleanConditionTypes::Is:
filter.AppendLiteral("(");
filter.Append(ldapAttr);
filter.AppendLiteral("=");
filter.Append(vUTF8);
filter.AppendLiteral(")");
break;
case nsIAbBooleanConditionTypes::IsNot:
filter.AppendLiteral("(!(");
filter.Append(ldapAttr);
filter.AppendLiteral("=");
filter.Append(vUTF8);
filter.AppendLiteral("))");
break;
case nsIAbBooleanConditionTypes::BeginsWith:
filter.AppendLiteral("(");
filter.Append(ldapAttr);
filter.AppendLiteral("=");
filter.Append(vUTF8);
filter.AppendLiteral("*)");
break;
case nsIAbBooleanConditionTypes::EndsWith:
filter.AppendLiteral("(");
filter.Append(ldapAttr);
filter.AppendLiteral("=*");
filter.Append(vUTF8);
filter.AppendLiteral(")");
break;
case nsIAbBooleanConditionTypes::LessThan:
filter.AppendLiteral("(");
filter.Append(ldapAttr);
filter.AppendLiteral("<=");
filter.Append(vUTF8);
filter.AppendLiteral(")");
break;
case nsIAbBooleanConditionTypes::GreaterThan:
filter.AppendLiteral("(");
filter.Append(ldapAttr);
filter.AppendLiteral(">=");
filter.Append(vUTF8);
filter.AppendLiteral(")");
break;
case nsIAbBooleanConditionTypes::SoundsLike:
filter.AppendLiteral("(");
filter.Append(ldapAttr);
filter.AppendLiteral("~=");
filter.Append(vUTF8);
filter.AppendLiteral(")");
break;
case nsIAbBooleanConditionTypes::RegExp:
break;
default:
break;
}
return rv;
}
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