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libs-gsweb/GSWeb/GSWHTMLDynamicElement.m
Sebastian Reitenbach ec3794334c * GSWeb/GSWComponentDefinition.m 
* GSWeb/GSWComponentReference.m
        * GSWeb/GSWContext.m
        * GSWeb/GSWHTMLDynamicElement.m
        * GSWeb/GSWHyperlink.m
        * GSWeb/GSWResourceManager.m
        * GSWeb/GSWResourceRequestHandler.m
          get rid of extaneous parentheses on equality tests


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@36245 72102866-910b-0410-8b05-ffd578937521
2013-03-03 02:02:36 +00:00

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22 KiB
Objective-C
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/** GSWHTMLDynamicElement.m - <title>GSWeb: Class GSWHTMLDynamicElement</title>
Copyright (C) 1999-2005 Free Software Foundation, Inc.
Written by: Manuel Guesdon <mguesdon@orange-concept.com>
Date: Feb 1999
$Revision$
$Date$
$Id$
<abstract></abstract>
This file is part of the GNUstep Web Library.
<license>
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; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
</license>
**/
#include "config.h"
RCS_ID("$Id$")
#include "GSWeb.h"
#include "GSWPrivate.h"
//static Class standardClass = Nil;
static Class NSStringClass = Nil;
static Class NSNumberClass = Nil;
static Class NSMutableDictionaryClass = Nil;
static Class GSCachedIntClass = Nil;
static NSMutableDictionary * _urlAttributesTable = nil;
static inline BOOL _needQuote(NSString* str_needQuote)
{
if ([str_needQuote isKindOfClass:NSStringClass] == NO) {
return NO;
} else {
unsigned int mystrlen = [str_needQuote length];
return (((mystrlen < 1) || ([str_needQuote hasPrefix:@"\""] == NO)) || ([str_needQuote hasSuffix:@"\""] == NO));
}
}
//====================================================================
@implementation GSWHTMLDynamicElement
//--------------------------------------------------------------------
+ (void) initialize
{
if (self == [GSWHTMLDynamicElement class])
{
if (!_urlAttributesTable) {
_urlAttributesTable = [NSMutableDictionary new];
[_urlAttributesTable setObject:@"href" forKey:@"a"];
[_urlAttributesTable setObject:@"codebase" forKey:@"applet"];
[_urlAttributesTable setObject:@"href" forKey:@"area"];
[_urlAttributesTable setObject:@"src" forKey:@"bgsound"];
[_urlAttributesTable setObject:@"href" forKey:@"base"];
[_urlAttributesTable setObject:@"background" forKey:@"body"];
[_urlAttributesTable setObject:@"src" forKey:@"embed"];
[_urlAttributesTable setObject:@"action" forKey:@"form"];
[_urlAttributesTable setObject:@"src" forKey:@"frame"];
[_urlAttributesTable setObject:[NSArray arrayWithObjects:@"src",@"dynsrc",@"usemap",nil]
forKey:@"img"];
[_urlAttributesTable setObject:@"src" forKey:@"input"];
[_urlAttributesTable setObject:@"href" forKey:@"link"];
[_urlAttributesTable setObject:@"src" forKey:@"script"];
NSStringClass = [NSString class];
NSNumberClass = [NSNumber class];
NSMutableDictionaryClass = [NSMutableDictionary class];
GSCachedIntClass = NSClassFromString(@"GSCachedInt");
}
};
};
// returns string or array or nil.
+ (id) _urlAttributesForElementNamed:(NSString*) str
{
id result = nil;
if (str == nil) {
return nil;
} else {
result = [_urlAttributesTable objectForKey:[str lowercaseString]];
if (!result) {
NSLog(@"%s:%@ %@ ", __PRETTY_FUNCTION__ , str, self);
}
}
return result;
}
-(void) dealloc
{
DESTROY(_elementName);
DESTROY(_nonURLAttributeAssociations);
DESTROY(_urlAttributeAssociations);
DESTROY(_constantAttributesRepresentation);
DESTROY(_associations);
DESTROY(_secure);
[super dealloc];
}
-(BOOL) escapeHTML
{
return NO;
}
-(id)initWithName:(NSString*)name
associations:(NSDictionary*)associations
template:(GSWElement*)template
{
self = [super initWithName:nil
associations:nil
template: template];
ASSIGN(_elementName, name);
if (associations == nil) {
[NSException raise:NSInvalidArgumentException
format:@"%s: No associations",
__PRETTY_FUNCTION__];
}
DESTROY(_associations);
_associations = [associations mutableCopyWithZone:[self zone]];
_finishedInitialization = NO;
return self;
}
-(id)initWithName:(NSString*)name
associations:(NSDictionary*)associations
contentElements:(NSMutableArray*) children
{
// I am not sure if this mehod should exist here at all. dave@turbocat.de
[NSException raise:NSInvalidArgumentException
format:@"%s: sure you want this?",
__PRETTY_FUNCTION__];
//
// self = [super initWithName:nil
// associations:nil
// contentElements:children];
//
// ASSIGN(_elementName, name);
// if (associations == nil) {
// [NSException raise:NSInvalidArgumentException
// format:@"%s: No associations",
// __PRETTY_FUNCTION__];
// }
// DESTROY(_associations);
// _associations = [associations mutableCopyWithZone:nil];
// _finishedInitialization = NO;
//
return self;
}
- (void) _finishInitialization
{
//lock for _finishedInitialization ?
_nonURLAttributeAssociations = nil;
_urlAttributeAssociations = nil;
NSMutableString * buffer = [NSMutableString stringWithCapacity:256];
NSString * str = nil;
NSString * s1 = nil;
GSWAssociation * association = nil;
id aValue = nil;
int i = 0;
if ((_elementName != nil) && ((_associations != nil) && ([_associations count] > 0))) {
NSEnumerator * enumer = [[NSArray arrayWithArray:[_associations allKeys]] objectEnumerator];
while ((str = [enumer nextObject])) {
association = [_associations objectForKey: str];
if (([association isKindOfClass:[GSWConstantValueAssociation class]]) && ([self escapeHTML] == NO)) {
aValue = [association valueInComponent:nil];
if (aValue == nil) {
s1 = @"";
} else {
s1 = (NSString*)aValue;
}
if ([s1 isKindOfClass:NSStringClass] == NO) {
s1 = [(NSNumber*)s1 stringValue];
}
if ([aValue isEqual:@"otherTagString"]) {
[buffer appendString:@" "];
[buffer appendString: s1];
} else {
[buffer appendString:@" "];
[buffer appendString: str];
[buffer appendString:@"="];
if (_needQuote(s1) || ([s1 length] == 0)) {
[buffer appendString:@"\""];
[buffer appendString: s1];
[buffer appendString:@"\""];
} else {
[buffer appendString: s1];
}
}
[_associations removeObjectForKey:str];
} else {
id resultattribute = [[self class] _urlAttributesForElementNamed:_elementName];
BOOL flag = NO;
NSString * lowercaseString = [str lowercaseString];
if (resultattribute != nil)
{
if ([resultattribute isKindOfClass:NSStringClass] == NO) {
int j = [resultattribute count];
for (i = 0; ((i < j) && (!flag)); i++) {
flag = [lowercaseString isEqual: [resultattribute objectAtIndex:i]];
}
} else { // is a string
flag = [lowercaseString isEqual: resultattribute];
}
}
if (flag) {
if (_urlAttributeAssociations == nil)
{
_urlAttributeAssociations = [NSMutableDictionary new];
}
[_urlAttributeAssociations setObject:association forKey:str];
[_associations removeObjectForKey:str];
}
}
} // while
if ([_associations count] > 0) {
ASSIGN(_nonURLAttributeAssociations, _associations);
}
}
if ([buffer length] > 0) {
ASSIGN(_constantAttributesRepresentation,buffer);
} else {
DESTROY(_constantAttributesRepresentation);
}
DESTROY(_associations);
_finishedInitialization = YES;
}
-(NSString*)description
{
NSString * desStr = [NSString stringWithFormat:@"<%@ %p elementName:%@ ",
[self class],
(void*)self, _elementName];
if (_constantAttributesRepresentation != nil) {
desStr = [desStr stringByAppendingFormat:@" Constant Attributes: %@", _constantAttributesRepresentation];
}
if (_urlAttributeAssociations != nil) {
desStr = [desStr stringByAppendingFormat:@" URL Dynamic Attributes: %@", _urlAttributeAssociations];
}
if (_nonURLAttributeAssociations != nil) {
desStr = [desStr stringByAppendingFormat:@" non-URL Dynamic Attributes: %@", _nonURLAttributeAssociations];
}
if ([self hasChildrenElements]) {
desStr = [desStr stringByAppendingFormat:@" Children: %@", [self childrenElements]];
}
desStr = [desStr stringByAppendingString:@" >"];
return desStr;
}
- (NSString*) elementName
{
return _elementName;
}
- (NSMutableDictionary*) urlAttributeAssociations
{
if (!_finishedInitialization) {
[self _finishInitialization];
}
return _urlAttributeAssociations;
}
- (NSMutableDictionary*) nonUrlAttributeAssociations
{
if (!_finishedInitialization) {
[self _finishInitialization];
}
return _nonURLAttributeAssociations;
}
- (NSString*) constantAttributesRepresentation
{
if (!_finishedInitialization) {
[self _finishInitialization];
}
return _constantAttributesRepresentation;
}
// _frameworkNameInComponent
+ (NSString*) _frameworkNameForAssociation: (GSWAssociation*)association
inComponent: (GSWComponent *) component
{
NSString *name = nil;
if (association != nil)
{
name = [association valueInComponent:component];
if (name)
{
if ([@"app" caseInsensitiveCompare: name])
{
name = nil;
}
}
else
{
if (component != nil)
{
name = [component frameworkName];
}
[GSWApp debugWithFormat:@"%s evaluated to nil. Defaulting to %@",
__PRETTY_FUNCTION__,
(name ? name : (NSString*) @"app")];
}
}
else
{
if (component != nil)
{
name = [component frameworkName];
}
}
return name;
}
// computeActionStringInContext in wo5
-(NSString*)computeActionStringWithActionClassAssociation:(GSWAssociation*)actionClass
directActionNameAssociation:(GSWAssociation*)directActionName
inContext:(GSWContext*)context
{
GSWComponent * component = GSWContext_component(context);
id componentValue = nil;
id directActionValue = nil;
id resultString = nil;
if (actionClass != nil) {
componentValue = [actionClass valueInComponent: component];
if ([componentValue isKindOfClass: NSStringClass] == NO) {
[NSException raise:NSInvalidArgumentException
format:@"%s: Value for attribute named '%@' must be a string. Received '%@'.",
__PRETTY_FUNCTION__, actionClass, componentValue];
}
}
if (directActionName != nil)
{
directActionValue = [directActionName valueInComponent:component];
if ([directActionValue isKindOfClass: NSStringClass] == NO) {
[NSException raise:NSInvalidArgumentException
format:@"%s: Value for attribute named '%@' must be a string. Received '%@'.",
__PRETTY_FUNCTION__, directActionName, directActionValue];
}
}
if ((componentValue != nil) && (directActionValue != nil)) {
if ([componentValue isEqual:@"DirectAction"]) {
resultString = directActionValue;
} else {
resultString = [componentValue stringByAppendingString:@"/"];
resultString = [resultString stringByAppendingString:directActionValue];
}
} else {
if (componentValue != nil) {
resultString = componentValue;
} else {
if (directActionValue != nil) {
resultString = directActionValue;
} else {
[NSException raise:NSInternalInconsistencyException
format:@"%s: Both 'actionClass' and 'directActionName' are either absent or evaluated to nil. Cannot generate dynamic url without an actionClass or directActionName.",
__PRETTY_FUNCTION__];
}
}
}
return resultString;
}
- (NSDictionary*) __queryDictionary:(GSWAssociation*) queryDictionary
inContext:(GSWContext*) context
{
NSDictionary* aQueryDict = nil;
if (queryDictionary != nil) {
aQueryDict = [queryDictionary valueInComponent:[context component]];
}
if(aQueryDict != nil) {
return aQueryDict;
} else {
// or a nil? -- dw
return [NSDictionary dictionary];
}
}
- (NSDictionary*) __otherQueryDictionary:(NSDictionary*) otherQueryAssociations
inContext:(GSWContext*) context
{
NSMutableDictionary * queryDict = [NSMutableDictionary dictionary];
if (otherQueryAssociations != nil) {
NSEnumerator *keyEnumerator = [otherQueryAssociations keyEnumerator];
NSString *key;
while ((key = [keyEnumerator nextObject])) {
GSWAssociation * association = [otherQueryAssociations objectForKey:key];
id value = [association valueInComponent:[context component]];
if (value) {
[queryDict setObject:value forKey:key];
}
}
}
// is it really faster/better to copy this here? -- dw
return [NSDictionary dictionaryWithDictionary:queryDict];
}
- (NSDictionary*) computeQueryDictionaryWithRequestHandlerPath: (NSString*) aRequestHandlerPath
queryDictionaryAssociation: (GSWAssociation*) queryDictionary
otherQueryAssociations: (NSDictionary*) otherQueryAssociations
inContext: (GSWContext*) context
{
NSDictionary * aQueryDict = [self __queryDictionary:queryDictionary
inContext: context];
NSDictionary * anotherQueryDict = [self __otherQueryDictionary:otherQueryAssociations
inContext: context];
return [context computeQueryDictionaryWithPath:aRequestHandlerPath
queryDictionary:aQueryDict
otherQueryDictionary:anotherQueryDict];
}
- (NSDictionary*) computeQueryDictionaryWithActionClassAssociation: (GSWAssociation*)actionClass
directActionNameAssociation: (GSWAssociation*)directActionName
queryDictionaryAssociation: (GSWAssociation*)queryDictionary
otherQueryAssociations: (NSDictionary*)otherQueryAssociations
inContext: (GSWContext*)context
{
GSWComponent * component = GSWContext_component(context);
GSWSession * session = [context _session];
NSString * s = nil;
NSMutableDictionary *nsmutabledictionary = nil;
NSEnumerator * keyEnumerator = nil;
NSString * key = nil;
GSWAssociation *otherAssociations = nil;
id otherValue = nil;
if (queryDictionary != nil) {
NSDictionary * nsdictionary1 = [queryDictionary valueInComponent:component];
if ([nsdictionary1 isKindOfClass:NSMutableDictionaryClass]) {
nsmutabledictionary = (NSMutableDictionary*) nsdictionary1;
} else {
nsmutabledictionary = (NSMutableDictionary*) AUTORELEASE([nsdictionary1 mutableCopyWithZone:[self zone]]);
}
}
if (nsmutabledictionary == nil) {
nsmutabledictionary = [NSMutableDictionary dictionary];
}
if (session != nil) {
s = [session sessionID];
} else {
if ([context request] != nil) {
s = [[context request] stringFormValueForKey:@"wosid"];
}
}
if ((s != nil) && ((directActionName != nil) || (actionClass != nil)) && ((session == nil) || (![session storesIDsInCookies]) || ([session storesIDsInURLs]))) {
[nsmutabledictionary setObject:s forKey:@"wosid"];
}
if (otherQueryAssociations != nil) {
keyEnumerator = [otherQueryAssociations keyEnumerator];
while ((key = [keyEnumerator nextObject])) {
otherAssociations = [otherQueryAssociations objectForKey:key];
otherValue = [otherAssociations valueInComponent:component];
if (otherValue != nil && ([key isEqual:@"wosid"] || ([otherValue boolValue] == YES))) {
[nsmutabledictionary setObject: otherValue forKey:key];
} else {
[nsmutabledictionary removeObjectForKey:key];
}
}
}
return nsmutabledictionary;
}
-(void) appendConstantAttributesToResponse:(GSWResponse*) response
inContext:(GSWContext*)aContext
{
NSString * str = [self constantAttributesRepresentation];
if (str != nil) {
GSWResponse_appendContentString(response,str);
}
}
-(void) _appendAttributesFromAssociationsToResponse:(GSWResponse*) response
inContext:(GSWContext*)context
associations:(NSDictionary*) associations
{
if ((associations != nil) && ([associations count] > 0)) {
NSString * s1 = nil;
NSEnumerator * enumer = [associations keyEnumerator];
GSWComponent * component = GSWContext_component(context);
NSString * key = nil;
GSWAssociation * currentAssociation = nil;
id obj = nil;
while ((key = [enumer nextObject])) {
currentAssociation = [associations objectForKey:key];
obj = [currentAssociation valueInComponent:component];
if (obj != nil) {
// s1 = [(NSNumber*) obj description];
// mr. ayers says that is not good..
if ([obj isKindOfClass:NSNumberClass] == YES) {
s1 = [(NSNumber*) obj stringValue];
} else {
// we have to set the value!
s1 = obj;
}
//NSLog(@"%s:class %@ '%@'", __PRETTY_FUNCTION__, [obj class] , obj);
if ([key isEqual:@"otherTagString"]) {
GSWResponse_appendContentCharacter(response,' ');
GSWResponse_appendContentString(response, s1);
} else {
[response _appendTagAttribute: key
value: s1
escapingHTMLAttributeValue: NO];
}
}
} // while
}
}
-(void) appendNonURLAttributesToResponse:(GSWResponse*) response
inContext:(GSWContext*) context
{
[self _appendAttributesFromAssociationsToResponse: response
inContext: context
associations: [self nonUrlAttributeAssociations]];
}
-(void) appendURLAttributesToResponse:(GSWResponse*) response
inContext:(GSWContext*) context
{
GSWComponent * component = nil;
NSMutableDictionary * attributeDict = [self urlAttributeAssociations];
GSWAssociation * association = nil;
id value = nil;
if ((attributeDict != nil) && ([attributeDict count] > 0)) {
component = GSWContext_component(context);
NSEnumerator * enumer = [attributeDict keyEnumerator];
NSString * key = nil;
NSString * s1 = nil;
while ((key = [enumer nextObject])) {
association = [attributeDict objectForKey:key];
value = [association valueInComponent:component];
if (value != nil) {
// value to string??
s1 = [context _urlForResourceNamed: value
inFramework: nil];
} else {
[GSWApp debugWithFormat:@"%s evaluated to nil in component %@. Inserted nil resource in html tag.",
__PRETTY_FUNCTION__, component];
}
if (s1 != nil) {
[response _appendTagAttribute: key
value: s1
escapingHTMLAttributeValue: NO];
} else {
GSWResponse_appendContentCharacter(response,' ');
GSWResponse_appendContentString(response, key);
GSWResponse_appendContentAsciiString(response,@"=\"");
GSWResponse_appendContentAsciiString(response, [component baseURL]);
GSWResponse_appendContentCharacter(response,'/');
GSWResponse_appendContentAsciiString(response, value);
GSWResponse_appendContentCharacter(response,'"');
}
}
}
}
-(void) appendAttributesToResponse:(GSWResponse *) response
inContext:(GSWContext*) context
{
[self appendConstantAttributesToResponse: response
inContext: context];
[self appendNonURLAttributesToResponse: response
inContext: context];
[self appendURLAttributesToResponse: response
inContext: context];
}
-(void) _appendOpenTagToResponse:(GSWResponse *) response
inContext:(GSWContext*) context
{
GSWResponse_appendContentCharacter(response,'<');
GSWResponse_appendContentAsciiString(response, [self elementName]);
[self appendAttributesToResponse:response inContext: context];
GSWResponse_appendContentCharacter(response,'>');
}
-(void) _appendCloseTagToResponse:(GSWResponse *) response
inContext:(GSWContext*) context
{
GSWResponse_appendContentAsciiString(response, @"</");
GSWResponse_appendContentAsciiString(response, [self elementName]);
GSWResponse_appendContentCharacter(response,'>');
}
-(void) appendToResponse:(GSWResponse *) response
inContext:(GSWContext*) context
{
NSString * myElementName = nil;
if (context == nil || response == nil) {
return;
}
myElementName = [self elementName];
if (myElementName != nil) {
[self _appendOpenTagToResponse:response
inContext: context];
}
[self appendChildrenToResponse: response
inContext: context];
if (myElementName != nil) {
[self _appendCloseTagToResponse:response
inContext: context];
}
}
- (BOOL) secureInContext:(GSWContext*) context
{
if (_secure != nil) {
return [_secure boolValueInComponent:[context component]];
} else {
return [context secureMode];
}
}
@end
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