/* 
   EOQuotedExpression.m

   Copyright (C) 1996 Free Software Foundation, Inc.

   Author: Ovidiu Predescu <ovidiu@bx.logicnet.ro>
   Date: 1996

   This file is part of the GNUstep Database Library.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; see the file COPYING.LIB.
   If not, write to the Free Software Foundation,
   59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#include <Foundation/NSArray.h>
#include <Foundation/NSString.h>

#include <eoaccess/common.h>
#include <eoaccess/EOQuotedExpression.h>

@implementation EOQuotedExpression

- expressionValueForContext:(id<EOExpressionContext>)context
{
    id expr = [expression expressionValueForContext:context];
    NSArray* components = [expr componentsSeparatedByString:quote];
    id result = [NSMutableString stringWithCapacity:[expr length] + 10];

    [result appendString:quote];
    [result appendString:[components componentsJoinedByString:escape]];
    [result appendString:quote];

    return result;
}

- initWithExpression:_expression
  quote:(NSString*)_quote
  escape:(NSString*)_escape
{
    ASSIGN(expression, _expression);
    ASSIGN(quote, _quote);
    ASSIGN(escape, _escape);

    return self;
}

- copy
{
    return [self copyWithZone:NSDefaultMallocZone()];
}

- copyWithZone:(NSZone*)zone
{
    return [[isa allocWithZone:zone]
		initWithExpression:expression quote:quote escape:escape];
}

-(void)dealloc
{
  DESTROY(expression);
  DESTROY(quote);
  DESTROY(escape);
  [super dealloc];
};
@end /* EOQuotedExpression */
