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95931983d3
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@20507 72102866-910b-0410-8b05-ffd578937521
360 lines
13 KiB
Objective-C
360 lines
13 KiB
Objective-C
/** GSWConditional.m - <title>GSWeb: Class GSWConditional</title>
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Copyright (C) 1999-2004 Free Software Foundation, Inc.
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Written by: Manuel Guesdon <mguesdon@orange-concept.com>
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Date: Jan 1999
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$Revision$
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$Date$
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$Id$
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<abstract></abstract>
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This file is part of the GNUstep Web Library.
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<license>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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</license>
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**/
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#include "config.h"
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RCS_ID("$Id$")
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#include "GSWeb.h"
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/**
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Bindings
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condition if evaluated to YES (or NO if negate evaluted to YES), the enclosed code is emitted/used
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value if evaluated value is equal to conditionValue evaluated value, the enclosed code is
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emitted/used (or not equal if negate evaluated to YES);
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conditionValue if evaluated value is equal to conditionValue evaluated value, the enclosed code is
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emitted/used (or not equal if negate evaluated to YES);
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negate If evaluated to yes, negate the condition (defaut=NO)
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**/
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static GSWIMP_BOOL standardEvaluateConditionInContextIMP = NULL;
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static Class standardClass = Nil;
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//====================================================================
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@implementation GSWConditional
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//--------------------------------------------------------------------
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+ (void) initialize
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{
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if (self == [GSWConditional class])
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{
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standardClass=[GSWConditional class];
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standardEvaluateConditionInContextIMP =
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(GSWIMP_BOOL)[self instanceMethodForSelector:evaluateConditionInContextSEL];
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};
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};
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//--------------------------------------------------------------------
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-(id)initWithName:(NSString*)aName
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associations:(NSDictionary*)someAssociations
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template:(GSWElement*)templateElement
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{
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//OK
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LOGObjectFnStart();
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if ((self=[self initWithName:aName
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associations:someAssociations
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contentElements:templateElement ? [NSArray arrayWithObject:templateElement] : nil]))
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{
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};
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LOGObjectFnStop();
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return self;
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};
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//--------------------------------------------------------------------
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-(id)initWithName:(NSString*)aName
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associations:(NSDictionary*)associations
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contentElements:(NSArray*)elements
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{
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LOGObjectFnStart();
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if ((self=[super initWithName:aName
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associations:nil
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template:nil]))
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{
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if (elements)
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_childrenGroup=[[GSWHTMLStaticGroup alloc]initWithContentElements:elements];
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_condition = [[associations objectForKey:condition__Key
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withDefaultObject:[_condition autorelease]] retain];
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NSDebugMLLog(@"gswdync",@"GSWConditional condition=%@",_condition);
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if (!WOStrictFlag)
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{
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_value = [[associations objectForKey:value__Key
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withDefaultObject:[_value autorelease]] retain];
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NSDebugMLLog(@"gswdync",@"GSWConditional value=%@",_value);
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_conditionValue = [[associations objectForKey:conditionValue__Key
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withDefaultObject:[_conditionValue autorelease]] retain];
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NSDebugMLLog(@"gswdync",@"GSWConditional conditionValue=%@",_conditionValue);
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if (_conditionValue && !_value)
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ExceptionRaise0(@"GSWConditional",
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@"'conditionValue' parameter need 'value' parameter");
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if (_value && !_conditionValue)
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ExceptionRaise0(@"GSWConditional",
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@"'value' parameter need 'conditionValue' parameter");
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if (_conditionValue && _condition)
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ExceptionRaise0(@"GSWConditional",
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@"You can't have 'condition' parameter with 'value' and 'conditionValue' parameters");
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};
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_negate = [[associations objectForKey:negate__Key
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withDefaultObject:[_negate autorelease]] retain];
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NSDebugMLLog(@"gswdync",@"GSWConditional negate=%@",_negate);
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};
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LOGObjectFnStop();
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return self;
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};
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//--------------------------------------------------------------------
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-(void)dealloc
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{
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DESTROY(_condition);
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DESTROY(_value);
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//GSWeb Additions {
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DESTROY(_conditionValue);
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DESTROY(_negate);
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// }
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DESTROY(_childrenGroup);
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[super dealloc];
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}
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//--------------------------------------------------------------------
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-(void)setDeclarationName:(NSString*)declarationName
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{
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[super setDeclarationName:declarationName];
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if (declarationName && _childrenGroup)
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[_childrenGroup setDeclarationName:[NSString stringWithFormat:@"%@-StaticGroup",declarationName]];
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};
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//--------------------------------------------------------------------
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-(NSString*)description
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{
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return [NSString stringWithFormat:@"<%s %p>",
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object_get_class_name(self),
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(void*)self];
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};
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@end
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//====================================================================
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@implementation GSWConditional (GSWConditionalA)
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//--------------------------------------------------------------------
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-(void)takeValuesFromRequest:(GSWRequest*)aRequest
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inContext:(GSWContext*)aContext
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{
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//OK
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BOOL condition=NO;
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BOOL negate=NO;
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BOOL doIt=NO;
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LOGObjectFnStart();
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GSWStartElement(aContext);
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GSWAssertCorrectElementID(aContext);
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if (!WOStrictFlag && _conditionValue)
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{
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GSWComponent* component=GSWContext_component(aContext);
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id conditionValueValue=[_conditionValue valueInComponent:component];
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id valueValue=[_value valueInComponent:component];
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NSDebugMLog(@"_conditionValue=%@ conditionValueValue=%@",
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_conditionValue,conditionValueValue);
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NSDebugMLog(@"_value=%@ valueValue=%@",
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_value,valueValue);
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condition=SBIsValueEqual(conditionValueValue,valueValue);
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}
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else
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{
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condition=GSWDynamicElement_evaluateValueInContext(self,standardClass,
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standardEvaluateConditionInContextIMP,
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_condition,aContext);
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};
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if (_negate)
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{
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negate=GSWDynamicElement_evaluateValueInContext(self,standardClass,
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standardEvaluateConditionInContextIMP,
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_negate,aContext);
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};
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doIt=condition;
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NSDebugMLLog(@"gswdync",@"elementID=%@",GSWContext_elementID(aContext));
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if (negate)
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doIt=!doIt;
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NSDebugMLLog(@"gswdync",@"declarationName=%@ condition=%@ negate=%@ evaluatedCondition=%s evaluatedNegate=%s doIt=%s",
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[self declarationName],
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_condition,
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_negate,
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(condition ? "YES" : "NO"),
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(negate ? "YES" : "NO"),
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(doIt ? "YES" : "NO"));
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if (doIt)
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{
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//GSWRequest* _request=[aContext request];
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//Deprecated BOOL isFromClientComponent=[_request isFromClientComponent];
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GSWContext_appendZeroElementIDComponent(aContext);
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[_childrenGroup takeValuesFromRequest:aRequest
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inContext:aContext];
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GSWContext_deleteLastElementIDComponent(aContext);
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};
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GSWStopElement(aContext);
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GSWAssertIsElementID(aContext);
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LOGObjectFnStop();
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};
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//--------------------------------------------------------------------
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-(GSWElement*)invokeActionForRequest:(GSWRequest*)aRequest
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inContext:(GSWContext*)aContext
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{
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//OK
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GSWElement* element=nil;
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BOOL condition=NO;
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BOOL negate=NO;
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BOOL doIt=NO;
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LOGObjectFnStart();
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GSWStartElement(aContext);
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GSWAssertCorrectElementID(aContext);
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if (!WOStrictFlag && _conditionValue)
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{
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GSWComponent* component=GSWContext_component(aContext);
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id conditionValueValue=[_conditionValue valueInComponent:component];
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id valueValue=[_value valueInComponent:component];
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NSDebugMLog(@"_conditionValue=%@ conditionValueValue=%@",
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_conditionValue,conditionValueValue);
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NSDebugMLog(@"_value=%@ valueValue=%@",
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_value,valueValue);
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condition=SBIsValueEqual(conditionValueValue,valueValue);
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}
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else
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{
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condition=GSWDynamicElement_evaluateValueInContext(self,standardClass,
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standardEvaluateConditionInContextIMP,
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_condition,aContext);
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};
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if (_negate)
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{
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negate=GSWDynamicElement_evaluateValueInContext(self,standardClass,
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standardEvaluateConditionInContextIMP,
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_negate,aContext);
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};
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doIt=condition;
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if (negate)
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doIt=!doIt;
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NSDebugMLLog(@"gswdync",@"declarationName=%@ condition=%@ negate=%@ evaluatedCondition=%s evaluatedNegate=%s doIt=%s",
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[self declarationName],
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_condition,
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_negate,
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(condition ? "YES" : "NO"),
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(negate ? "YES" : "NO"),
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(doIt ? "YES" : "NO"));
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if (doIt)
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{
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//GSWRequest* request=[aContext request];
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//Deprecated BOOL isFromClientComponent=[request isFromClientComponent];
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GSWContext_appendZeroElementIDComponent(aContext);
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NSDebugMLLog(@"gswdync",@"childrenGroup=%@",_childrenGroup);
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element=[_childrenGroup invokeActionForRequest:aRequest
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inContext:aContext];
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NSDebugMLLog(@"gswdync",@"element=%@",element);
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NSAssert2(!element || [element isKindOfClass:[GSWElement class]],
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@"Element is a %@ not a GSWElement: %@",
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[element class],
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element);
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GSWContext_deleteLastElementIDComponent(aContext);
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};
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GSWStopElement(aContext);
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GSWAssertIsElementID(aContext);
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LOGObjectFnStop();
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return element;
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};
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//--------------------------------------------------------------------
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-(void)appendToResponse:(GSWResponse*)aResponse
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inContext:(GSWContext*)aContext
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{
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//OK
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BOOL condition=NO;
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BOOL negate=NO;
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BOOL doIt=NO;
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LOGObjectFnStart();
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GSWStartElement(aContext);
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GSWSaveAppendToResponseElementID(aContext);
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if (!WOStrictFlag && _conditionValue)
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{
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GSWComponent* component=GSWContext_component(aContext);
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id conditionValueValue=[_conditionValue valueInComponent:component];
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id valueValue=[_value valueInComponent:component];
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NSDebugMLog(@"_conditionValue=%@ conditionValueValue=%@",
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_conditionValue,conditionValueValue);
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NSDebugMLog(@"_value=%@ valueValue=%@",
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_value,valueValue);
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condition=SBIsValueEqual(conditionValueValue,valueValue);
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}
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else
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{
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condition=GSWDynamicElement_evaluateValueInContext(self,standardClass,
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standardEvaluateConditionInContextIMP,
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_condition,aContext);
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};
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NSDebugMLLog(@"gswdync",@"condition=%s",condition ? "YES" : "NO");
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if (_negate)
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{
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negate=GSWDynamicElement_evaluateValueInContext(self,standardClass,
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standardEvaluateConditionInContextIMP,
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_negate,aContext);
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};
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NSDebugMLLog(@"gswdync",@"negate=%s",negate ? "YES" : "NO");
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doIt=condition;
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if (negate)
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doIt=!doIt;
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NSDebugMLLog(@"gswdync",@"declarationName=%@ condition=%@ negate=%@ evaluatedCondition=%s evaluatedNegate=%s doIt=%s",
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[self declarationName],
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_condition,
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_negate,
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(condition ? "YES" : "NO"),
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(negate ? "YES" : "NO"),
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(doIt ? "YES" : "NO"));
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if (doIt)
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{
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//GSWRequest* request=[aContext request];
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//Deprecated BOOL isFromClientComponent=[request isFromClientComponent];
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GSWContext_appendZeroElementIDComponent(aContext);
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[_childrenGroup appendToResponse:aResponse
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inContext:aContext];
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GSWContext_deleteLastElementIDComponent(aContext);
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};
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GSWStopElement(aContext);
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GSWAssertIsElementID(aContext);
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LOGObjectFnStop();
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};
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@end
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