libs-gsweb/GSWeb/GSWClientSideScript.m

/** GSWClientSideScript.m - <title>GSWeb: Class GSWClientSideScript</title>

   Copyright (C) 1999-2004 Free Software Foundation, Inc.
   
   Written by:	Manuel Guesdon <mguesdon@orange-concept.com>
   Date:        May 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 GSWIMP_BOOL standardEvaluateConditionInContextIMP = NULL;

static Class standardClass = Nil;

//====================================================================
@implementation GSWClientSideScript

//--------------------------------------------------------------------
+ (void) initialize
{
  if (self == [GSWClientSideScript class])
    {
      standardClass=[GSWClientSideScript class];

      standardEvaluateConditionInContextIMP = 
        (GSWIMP_BOOL)[self instanceMethodForSelector:evaluateConditionInContextSEL];
    };
};

//--------------------------------------------------------------------
-(id)initWithName:(NSString*)aName
     associations:(NSDictionary*)associations
         template:(GSWElement*)templateElement
{
  NSMutableDictionary* tmpAssociations=[NSMutableDictionary dictionaryWithDictionary:associations];

  [tmpAssociations removeObjectForKey:scriptFile__Key];
  [tmpAssociations removeObjectForKey:scriptString__Key];
  [tmpAssociations removeObjectForKey:scriptSource__Key];
  [tmpAssociations removeObjectForKey:hideInComment__Key];
  [tmpAssociations removeObjectForKey:language__Key];
  _otherAttributes=[NSDictionary dictionaryWithDictionary:tmpAssociations];
  RETAIN(_otherAttributes);
  if ((self=[super initWithName:aName
                   associations:nil
                   template:templateElement]))
    {
      _scriptFile = [[associations objectForKey:scriptFile__Key
                                   withDefaultObject:[_scriptFile autorelease]] retain];

      _scriptString = [[associations objectForKey:scriptString__Key
                                     withDefaultObject:[_scriptString autorelease]] retain];

      _scriptSource = [[associations objectForKey:scriptSource__Key
                                     withDefaultObject:[_scriptSource autorelease]] retain];

      _hideInComment = [[associations objectForKey:hideInComment__Key
                                      withDefaultObject:[_hideInComment autorelease]] retain];

      _language = [[associations objectForKey:language__Key
                                 withDefaultObject:[_language autorelease]] retain];

    };
  return self;
};

//--------------------------------------------------------------------
-(void)dealloc
{
  DESTROY(_scriptFile);
  DESTROY(_scriptString);
  DESTROY(_scriptSource);
  DESTROY(_hideInComment);
  DESTROY(_language);
  DESTROY(_otherAttributes);
  [super dealloc];
};

//--------------------------------------------------------------------

@end

//====================================================================
@implementation GSWClientSideScript (GSWClientSideScriptA)
-(void)appendToResponse:(GSWResponse*)aResponse
              inContext:(GSWContext*)aContext
{
    GSWComponent* component=nil;
    BOOL hideInCommentValue=NO;
    id languageValue=nil;
    id scriptValue=nil;
    
    GSWStartElement(aContext);
    GSWSaveAppendToResponseElementID(aContext);
    component=GSWContext_component(aContext);
    [super appendToResponse:aResponse
                  inContext:aContext];
    //hideInCommentValue=[_hideInComment valueInComponent:component];
    hideInCommentValue=GSWDynamicElement_evaluateValueInContext(self,standardClass,
                                                                standardEvaluateConditionInContextIMP,
                                                                _hideInComment,aContext);
    GSWResponse_appendContentAsciiString(aResponse,@"<SCRIPT language=");
    languageValue=[_language valueInComponent:component];
    
    GSWResponse_appendContentHTMLAttributeValue(aResponse,languageValue);
    if ([_otherAttributes count]>0)
    {
        NSEnumerator* enumerator = [_otherAttributes keyEnumerator];
        id key;
        id value;
        while ((key = [enumerator nextObject]))
        {
            value=[_otherAttributes objectForKey:key];
            GSWResponse_appendContentCharacter(aResponse,' ');
            GSWResponse_appendContentString(aResponse,key);
            if (value)
            {
                GSWResponse_appendContentCharacter(aResponse,'=');
                GSWResponse_appendContentHTMLAttributeValue(aResponse,value);
            };
        };
    };
    if (_scriptSource)
    {
        scriptValue=[_scriptSource valueInComponent:component];
        if (scriptValue)
        {
            GSWResponse_appendContentString(aResponse,@" src=\"");
            GSWResponse_appendContentString(aResponse,scriptValue);
            GSWResponse_appendContentCharacter(aResponse,'"');
        };
    }
    GSWResponse_appendContentCharacter(aResponse,'>');
    if (_scriptString || _scriptFile)
    {
        GSWResponse_appendContentCharacter(aResponse,'\n');
        if (hideInCommentValue)
            GSWResponse_appendContentAsciiString(aResponse,@"<!-- GNUstepWeb ClientScript\n");
        
        if (_scriptString)
        {
            scriptValue=[_scriptString valueInComponent:component];
            if (scriptValue)
                GSWResponse_appendContentString(aResponse,scriptValue);
            else
            {
                //TODO
            };
        }
        else if (_scriptFile)
        {
            NSString* scriptFileName=[_scriptFile valueInComponent:component];
            if (scriptFileName)
            {
                NSError            * error = nil;
                GSWResourceManager * resourceManager = nil;
                NSString           * path = nil;

                resourceManager=[GSWApp resourceManager];
                path=[resourceManager pathForResourceNamed:scriptFileName
                                               inFramework:nil
                                                 languages:[aContext languages]];
                if (path)
                {
                    NSString           * scriptValue = nil;
                    NSStringEncoding   usedEncoding;
                    
                    scriptValue = [NSString stringWithContentsOfFile:path
                                                        usedEncoding:&usedEncoding
                                                               error:&error];
                    if (scriptValue)
                    {
                        GSWResponse_appendContentString(aResponse,scriptValue);
                    }
                    else
                    {
                        //TODO
                    }
                }
                else
                {
                    NSException* exception=nil;
                    exception=[NSException exceptionWithName:NSInvalidArgumentException
                                                      reason:[NSString stringWithFormat:
                                                              @"Can't open script file '%@' - %@",
                                                              scriptFileName, error]
                                                    userInfo:nil];
                    [exception raise];
                };
            }
            else
            {
                NSException* exception=nil;
                exception=[NSException exceptionWithName:NSInvalidArgumentException
                                                  reason:[NSString stringWithFormat:
                                                          @"No script file name"]
                                                userInfo:nil];
                [exception raise];
            };
        };
        
        GSWResponse_appendContentCharacter(aResponse,'\n');
        if (hideInCommentValue)
            GSWResponse_appendContentAsciiString(aResponse,@"//-->\n");
    };
    GSWResponse_appendContentAsciiString(aResponse,@"</SCRIPT>");
    GSWStopElement(aContext);
};

//--------------------------------------------------------------------
@end