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libs-gsweb/GSWeb.framework/GSWHTMLStaticElement.m
Manuel Guesdon 95931983d3 optimizations and small fixes 
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@20507 72102866-910b-0410-8b05-ffd578937521
2004-12-31 14:33:16 +00:00

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Objective-C
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/** GSWHTMLStaticElement.m - <title>GSWeb: Class GSWHTMLStaticElement</title>
Copyright (C) 1999-2004 Free Software Foundation, Inc.
Written by: Manuel Guesdon <mguesdon@orange-concept.com>
Date: Feb 1999
$Revision$
$Date$
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"
static SEL objectAtIndexSEL = NULL;
static GSWIMP_BOOL standardEvaluateConditionInContextIMP = NULL;
static Class standardClass = Nil;
//====================================================================
@implementation GSWHTMLStaticElement
//--------------------------------------------------------------------
+ (void) initialize
{
if (self == [GSWHTMLStaticElement class])
{
standardClass=[GSWHTMLStaticElement class];
objectAtIndexSEL=@selector(objectAtIndex:);
standardEvaluateConditionInContextIMP =
(GSWIMP_BOOL)[self instanceMethodForSelector:evaluateConditionInContextSEL];
};
};
//--------------------------------------------------------------------
-(id) initWithName:(NSString*)anElementName
attributeDictionary:(NSDictionary*)aAttributeAssociationsList
contentElements:(NSArray*)anElementsArray
{
//OK
LOGObjectFnStart();
NSDebugMLLog(@"gswdync",@"anElementName=%@ aAttributeAssociationsList:%@ anElementsArray=%@",
anElementName,
aAttributeAssociationsList,
anElementsArray);
if ((self=[super init]))
{
NSMutableArray* attributeAssociationsValues=[NSMutableArray array];
NSMutableArray* tmpHtmlBareStrings=[NSMutableArray array];
NSMutableData* tmpElementsMap=[[NSMutableData new]autorelease];
ASSIGN(_elementName,anElementName);//??
if (anElementName)
{
NSEnumerator* attributesKeyEnum=nil;
id key=nil;
[tmpHtmlBareStrings addObject:[@"<" stringByAppendingString:NSStringWithObject(anElementName)]];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
attributesKeyEnum= [aAttributeAssociationsList keyEnumerator];
NSDebugMLLog(@"gswdync",@"attributesKeyEnum=%@ aAttributeAssociationsList=%@",
attributesKeyEnum,aAttributeAssociationsList);
while ((key = [attributesKeyEnum nextObject]))
{
id association=[aAttributeAssociationsList objectForKey:key];
id associationValue=[association valueInComponent:nil];
NSDebugMLLog(@"gswdync",@"association=%@ associationValue=%@",
association,associationValue);
[tmpHtmlBareStrings addObject:[@" " stringByAppendingString:NSStringWithObject(key)]];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
if (associationValue)
{
[tmpHtmlBareStrings addObject:[NSString stringWithString:@"="]];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
[tmpHtmlBareStrings addObject:[NSString stringWithFormat:@"\"%@\"",associationValue]];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
}
else
{
//TODO So what next ?
[attributeAssociationsValues addObject:association];
[tmpElementsMap appendBytes:&ElementsMap_attributeElement
length:1];
};
};
[tmpHtmlBareStrings addObject:@">"];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
};
if (anElementsArray)
{
int elementsN=[anElementsArray count];
for(;elementsN>0;elementsN--)
[tmpElementsMap appendBytes:&ElementsMap_dynamicElement
length:1];
if (anElementName)
{
[tmpHtmlBareStrings addObject:[NSString stringWithFormat:@"</%@>",
anElementName]];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
};
};
[self _initWithElementsMap:tmpElementsMap
htmlBareStrings:tmpHtmlBareStrings
dynamicChildren:anElementsArray];
};
LOGObjectFnStop();
return self;
};
//--------------------------------------------------------------------
-(id)initWithName:(NSString*)anElementName
attributeString:(NSString*)attributeString
contentElements:(NSArray*)anElementsArray
{
//OK
LOGObjectFnStart();
NSDebugMLLog(@"gswdync",@"anElementName=%@ attributeString:%@ anElementsArray=%@",
anElementName,
attributeString,
anElementsArray);
if ((self=[super init]))
{
NSMutableArray* tmpHtmlBareStrings=[NSMutableArray array];
NSMutableData* tmpElementsMap=[[NSMutableData new]autorelease];
ASSIGN(_elementName,anElementName);//??
if (anElementName)
{
[tmpHtmlBareStrings addObject:[@"<" stringByAppendingString:NSStringWithObject(anElementName)]];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
[tmpHtmlBareStrings addObject:attributeString];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
[tmpHtmlBareStrings addObject:@">"];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
};
if (anElementsArray)
{
int elementsN=[anElementsArray count];
for(;elementsN>0;elementsN--)
[tmpElementsMap appendBytes:&ElementsMap_dynamicElement
length:1];
if (anElementName)
{
[tmpHtmlBareStrings addObject:[NSString stringWithFormat:@"</%@>",
anElementName]];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
};
};
[self _initWithElementsMap:tmpElementsMap
htmlBareStrings:tmpHtmlBareStrings
dynamicChildren:anElementsArray];
};
LOGObjectFnStop();
return self;
};
//--------------------------------------------------------------------
-(id)_initWithElementsMap:(NSData*)tmpElementsMap
htmlBareStrings:(NSArray*)tmpHtmlBareStrings
dynamicChildren:(NSArray*)aDynamicChildrensArray
{
BOOL compactHTMLTags=NO;
LOGObjectFnStart();
NSDebugMLLog(@"gswdync",@"tmpElementsMap=%@ tmpHtmlBareStrings:%@ dynamicChildren=%@",
tmpElementsMap,
tmpHtmlBareStrings,
aDynamicChildrensArray);
compactHTMLTags=[self compactHTMLTags];
//OK
if (compactHTMLTags)
{
int elementN=0;
while(elementN<[tmpElementsMap length] && ((BYTE*)[tmpElementsMap bytes])[elementN]==ElementsMap_htmlBareString)
elementN++;
[self _setEndOfHTMLTag:elementN];
if (elementN>0)
{
int rmStringN=0;
int tmpHtmlBareStringsCount=0;
NSMutableArray* rmStrings=[NSMutableArray array];
NSMutableString* rmString=[[NSMutableString new] autorelease];
NSMutableData* tmpElementsMap=[[NSMutableData new] autorelease];
[tmpElementsMap appendBytes:&ElementsMap_htmlBareString
length:1];
if ([tmpElementsMap length]>elementN)
[tmpElementsMap appendData:
[tmpElementsMap subdataWithRange:
NSMakeRange(elementN,
[tmpElementsMap length]-elementN)]];
tmpElementsMap=tmpElementsMap;
for(rmStringN=0;rmStringN<elementN;rmStringN++)
{
NSDebugMLLog(@"gswdync",@"rmString=[%@]",rmString);
NSDebugMLLog(@"gswdync",@"[tmpHtmlBareStrings objectAtIndex:rmStringN]=[%@]",
[tmpHtmlBareStrings objectAtIndex:rmStringN]);
[rmString appendString:[tmpHtmlBareStrings objectAtIndex:rmStringN]];
};
NSDebugMLLog(@"gswdync",@"rmString=[%@]",rmString);
NSDebugMLLog(@"gswdync",@"rmStrings=[%@]",rmStrings);
[rmStrings addObject:rmString];
NSDebugMLLog(@"gswdync",@"rmStrings=[%@]",rmStrings);
tmpHtmlBareStringsCount=[tmpHtmlBareStrings count];
for(rmStringN=elementN;rmStringN<tmpHtmlBareStringsCount;rmStringN++)
{
NSDebugMLLog(@"gswdync",@"rmStrings=[%@]",rmStrings);
NSDebugMLLog(@"gswdync",@"[tmpHtmlBareStrings objectAtIndex:rmStringN]=[%@]",
[tmpHtmlBareStrings objectAtIndex:rmStringN]);
[rmStrings addObject:[tmpHtmlBareStrings objectAtIndex:rmStringN]];
};
NSDebugMLLog(@"gswdync",@"rmStrings=[%@]",rmStrings);
tmpHtmlBareStrings=rmStrings;
};
};
ASSIGN(_htmlBareStrings,tmpHtmlBareStrings);
ASSIGN(_elementsMap,tmpElementsMap);
ASSIGN(_dynamicChildren,aDynamicChildrensArray);
LOGObjectFnStop();
return self;
};
//--------------------------------------------------------------------
-(NSString*)elementName
{
return _elementName;
};
//--------------------------------------------------------------------
-(NSArray*)dynamicChildren
{
return _dynamicChildren;
};
//--------------------------------------------------------------------
-(NSArray*)htmlBareStrings
{
return _htmlBareStrings;
};
//--------------------------------------------------------------------
-(NSData*)elementsMap
{
return _elementsMap;
};
//--------------------------------------------------------------------
-(void)dealloc
{
DESTROY(_elementsMap);
DESTROY(_htmlBareStrings);
DESTROY(_dynamicChildren);
DESTROY(_elementName);
[super dealloc];
};
//--------------------------------------------------------------------
-(void)_setEndOfHTMLTag:(unsigned int)unknown
{
LOGObjectFnNotImplemented(); //TODOFN
};
//--------------------------------------------------------------------
-(NSString*)description
{
return [NSString stringWithFormat:@"<%@ %p elementsMap:%@>",
[self class],
(void*)self,
_elementsMap];
};
@end
//====================================================================
@implementation GSWHTMLStaticElement (GSWHTMLStaticElementA)
//--------------------------------------------------------------------
-(void)appendToResponse:(GSWResponse*)response
inContext:(GSWContext*)aContext
{
int length=0;
//GSWRequest* request=[aContext request];
//not used BOOL isFromClientComponent=[request isFromClientComponent]; //bis repetitam
GSWStartElement(aContext);
GSWSaveAppendToResponseElementID(aContext);
length=[_elementsMap length];
if (length>0)
{
[self appendToResponse:response
inContext:aContext
elementsFromIndex:0
toIndex:length-1];
};
GSWAssertIsElementID(aContext);
GSWStopElement(aContext);
};
//--------------------------------------------------------------------
-(void)appendToResponse:(GSWResponse*)aResponse
inContext:(GSWContext*)aContext
elementsFromIndex:(unsigned int)fromIndex
toIndex:(unsigned int)toIndex
{
IMP htmlBareStringsObjectAtIndexIMP=NULL;
IMP objectAtIndexIMP = NULL;
NSArray* aDynamicChildrensArray=[self dynamicChildren];//call dynamicChildren //GSWTextField: nil
int elementN=0;
const BYTE* elements=[_elementsMap bytes];
BYTE element=0;
int elementsN[3]={0,0,0};
NSAssert2(fromIndex<[_elementsMap length],@"fromIndex out of range:%u (length=%d)",
fromIndex,[_elementsMap length]);
NSAssert2(toIndex<[_elementsMap length],@"toIndex out of range:%u (length=%d)",
toIndex,[_elementsMap length]);
NSAssert2(fromIndex<=toIndex,@"fromIndex>toIndex %u %u ",
fromIndex,toIndex);
for(elementN=0;elementN<=toIndex;elementN++)
{
NSDebugMLLog(@"GSWElement",@"appendTo self=%p elementN=%d GSWContext_elementID(context)=%@",
self,elementN,GSWContext_elementID(aContext));
element=(BYTE)elements[elementN];
if (element==ElementsMap_htmlBareString)
{
if (elementN>=fromIndex)
{
if (!htmlBareStringsObjectAtIndexIMP)
htmlBareStringsObjectAtIndexIMP = [_htmlBareStrings methodForSelector:objectAtIndexSEL];
GSWResponse_appendContentString(aResponse,
((*htmlBareStringsObjectAtIndexIMP)(_htmlBareStrings,
objectAtIndexSEL,
elementsN[0])));
};
elementsN[0]++;
}
else if (element==ElementsMap_dynamicElement)
{
if (elementN>=fromIndex)
{
if (!objectAtIndexIMP)
objectAtIndexIMP = [aDynamicChildrensArray methodForSelector:objectAtIndexSEL];
[(*objectAtIndexIMP)(aDynamicChildrensArray,objectAtIndexSEL,elementsN[1])
appendToResponse:aResponse
inContext:aContext];
GSWContext_incrementLastElementIDComponent(aContext);
};
elementsN[1]++;
}
else if (element==ElementsMap_attributeElement)
{
//TODO
elementsN[2]++;
};
};
GSWStopElement(aContext);
};
//--------------------------------------------------------------------
-(GSWElement*)invokeActionForRequest:(GSWRequest*)request
inContext:(GSWContext*)aContext
{
GSWElement* element=nil;
BOOL searchIsOver=NO;
NSString* senderID=nil;
int length=0;
LOGObjectFnStart();
GSWStartElement(aContext);
GSWAssertCorrectElementID(aContext);// Debug Only
senderID=GSWContext_senderID(aContext);
length=[_elementsMap length];
if (length>0)
{
IMP objectAtIndexIMP = NULL;
NSArray* aDynamicChildrensArray=[self dynamicChildren];
const BYTE* elements=[_elementsMap bytes];
BYTE elementIndic=0;
int elementsN[3]={0,0,0};
int elementN=0;
for(elementN=0;!element && !searchIsOver && elementN<length;elementN++)
{
elementIndic=(BYTE)elements[elementN];
if (elementIndic==ElementsMap_htmlBareString)
elementsN[0]++;
else if (elementIndic==ElementsMap_dynamicElement)
{
if (!objectAtIndexIMP)
objectAtIndexIMP = [aDynamicChildrensArray methodForSelector:objectAtIndexSEL];
element=[(*objectAtIndexIMP)(aDynamicChildrensArray,objectAtIndexSEL,elementsN[1])
invokeActionForRequest:request
inContext:aContext];
NSAssert3(!element || [element isKindOfClass:[GSWElement class]],
@"From: %@, Element is a %@ not a GSWElement: %@",
[aDynamicChildrensArray objectAtIndex:elementsN[1]],
[element class],
element);
if (![aContext _wasFormSubmitted] && GSWContext_isSenderIDSearchOver(aContext))
{
searchIsOver=YES;
};
GSWContext_incrementLastElementIDComponent(aContext);
elementsN[1]++;
}
else if (elementIndic==ElementsMap_attributeElement)
{
elementsN[2]++;
};
};
};
GSWAssertIsElementID(aContext);
GSWStopElement(aContext);
LOGObjectFnStop();
return element;
};
//--------------------------------------------------------------------
-(void)takeValuesFromRequest:(GSWRequest*)request
inContext:(GSWContext*)aContext
{
int length=0;
LOGObjectFnStart();
GSWStartElement(aContext);
GSWAssertCorrectElementID(aContext);
length=[_elementsMap length];
if (length>0)
{
IMP objectAtIndexIMP = NULL;
int elementN=0;
NSArray* aDynamicChildrensArray=[self dynamicChildren];
const BYTE* elements=[_elementsMap bytes];
BYTE elementIndic=0;
int elementsN[3]={0,0,0};
for(elementN=0;elementN<length;elementN++)
{
elementIndic=(BYTE)elements[elementN];
if (elementIndic==ElementsMap_htmlBareString)
elementsN[0]++;
else if (elementIndic==ElementsMap_dynamicElement)
{
if (!objectAtIndexIMP)
objectAtIndexIMP = [aDynamicChildrensArray methodForSelector:objectAtIndexSEL];
[(*objectAtIndexIMP)(aDynamicChildrensArray,objectAtIndexSEL,elementsN[1])
takeValuesFromRequest:request
inContext:aContext];
GSWContext_incrementLastElementIDComponent(aContext);
elementsN[1]++;
}
else if (elementIndic==ElementsMap_attributeElement)
{
elementsN[2]++;
};
};
};
GSWAssertIsElementID(aContext);
GSWStopElement(aContext);
LOGObjectFnStop();
};
@end
//====================================================================
@implementation GSWHTMLStaticElement (GSWHTMLStaticElementB)
//--------------------------------------------------------------------
-(BOOL)compactHTMLTags
{
LOGObjectFnNotImplemented(); //TODOFN
return NO;
};
//--------------------------------------------------------------------
-(BOOL)appendStringAtRight:(id)unkwnon
withMapping:(char*)mapping
{
LOGObjectFnNotImplemented(); //TODOFN
return NO;
};
//--------------------------------------------------------------------
-(BOOL)appendStringAtLeft:(id)unkwnon
withMapping:(char*)mapping
{
LOGObjectFnNotImplemented(); //TODOFN
return NO;
};
//--------------------------------------------------------------------
-(BOOL)canBeFlattenedAtInitialization
{
LOGObjectFnNotImplemented(); //TODOFN
return NO;
};
@end
//====================================================================
@implementation GSWHTMLStaticElement (GSWHTMLStaticElementC)
//--------------------------------------------------------------------
+(BOOL)charactersNeedingQuotes
{
LOGClassFnNotImplemented(); //TODOFN
return NO;
};
//--------------------------------------------------------------------
+(void)addURLAttribute:(id)attribute
forElementNamed:(NSString*)name
{
LOGClassFnNotImplemented(); //TODOFN
};
//--------------------------------------------------------------------
+(id)urlsForElementNamed:(NSString*)name
{
LOGClassFnNotImplemented(); //TODOFN
return nil;
};
@end
//====================================================================
@implementation GSWHTMLStaticElement (GSWHTMLStaticElementD)
//--------------------------------------------------------------------
+(NSDictionary*)attributeDictionaryForString:(NSString*)string
{
LOGClassFnNotImplemented(); //TODOFN
return nil;
};
//--------------------------------------------------------------------
+(NSString*)stringForAttributeDictionary:(NSDictionary*)attributeDictionary
{
LOGClassFnNotImplemented(); //TODOFN
return nil;
};
//--------------------------------------------------------------------
+(GSWElement*)elementWithName:(NSString*)name
attributeString:(NSString*)attributeString
contentElements:(NSArray*)elements
{
LOGClassFnNotImplemented(); //TODOFN
return nil;
};
@end
//====================================================================
@implementation GSWHTMLStaticElement (GSWHTMLStaticElementE)
//--------------------------------------------------------------------
+(GSWElement*)elementWithName:(NSString*)name
attributeDictionary:(NSDictionary*)attributeDictionary
contentElements:(NSArray*)elements
{
LOGClassFnNotImplemented(); //TODOFN
return nil;
};
+(Class)_elementClassForName:(NSString*)name
{
LOGClassFnNotImplemented(); //TODOFN
return nil;
};
+(void)setElementClass:(Class)class
forName:(NSString*)name
{
LOGClassFnNotImplemented(); //TODOFN
};
+(GSWElement*)_theEmptyElement
{
LOGClassFnNotImplemented(); //TODOFN
return nil;
};
@end
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