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/**
stalk.m
Program for 'talking' to scriptable objects
Copyright (c) 2002 Free Software Foundation
Written by: Stefan Urbanek <urbanek@host.sk>
Date: 2000
This file is part of the StepTalk project.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#import "STExecutor.h"
#import <StepTalk/StepTalk.h>
#import <Foundation/NSArray.h>
#import <Foundation/NSAutoreleasePool.h>
#import <Foundation/NSConnection.h>
#import <Foundation/NSDebug.h>
#import <Foundation/NSDictionary.h>
#import <Foundation/NSEnumerator.h>
#import <Foundation/NSException.h>
#import <Foundation/NSProcessInfo.h>
#import <Foundation/NSString.h>
#import <Foundation/NSFileManager.h>
@interface NSObject (STPrivateMethodDeclarations)
- (STEnvironment *)scriptingEnvironment;
@end
@interface Executor:STExecutor
{
NSString *hostName;
NSString *objectName;
id target;
}
- (void)setTargetWithName:(NSString *)name;
@end
@implementation Executor
- (void)dealloc
{
RELEASE(objectName);
RELEASE(hostName);
[super dealloc];
}
- (void)setTargetWithName:(NSString *)targetName
{
NSDebugLog(@"connecting object '%@' on host '%@'",targetName,hostName);
if(!targetName)
{
[NSException raise:STExecutorException
format:@"No target specified"];
}
target = [NSConnection rootProxyForConnectionWithRegisteredName:targetName
host:hostName];
/*
[[NSNotificationCenter defaultCenter]
addObserver:self
selector:@selector(connectionDidDie:)
name:NSConnectionDidDieNotification
object:object];
*/
if(!target)
{
[NSException raise:STExecutorException
format:@"Unable to connect to target named '%@' "
@"on host '%@'",
targetName, hostName];
return;
}
ASSIGN(objectName,targetName);
}
/* FIXME: This definitely needs to be rewritten. It is a quick hack
after moving from STEngnie to STConversation */
- (void)createConversation
{
STEnvironment *env;
if([target respondsToSelector:@selector(scriptingEnvironment)])
{
env = [target scriptingEnvironment];
}
else
{
[NSException raise:STExecutorException
format:@"Target '%@' on host '%@' "
@"does not provide scripting environment.",
objectName, hostName];
return;
}
[env setObject:target forName:objectName];
conversation = [[STConversation alloc] initWithContext:env
language:nil];
}
- (int)processOption:(NSString *)option
{
if ([@"host" hasPrefix:option])
{
ASSIGN(hostName,[self nextArgument]);
if(!hostName)
{
[NSException raise:STExecutorException
format:@"Hostname expected"];
}
}
else
{
[NSException raise:STExecutorException
format:@"Unknown option -%@", option];
}
return NO;
}
-(void) beforeExecuting
{
[self setTargetWithName:[self nextArgument]];
}
- (void)printHelp
{
printf(
"stalk - 'talk' to objects with StepTalk script\n"
"Usage: stalk [options] target script [args ...] [ , script ...]\n"
" Options:\n"
"%s"
" -host hostName look for target on specified host\n",
STExecutorCommonOptions
);
}
@end
int main(int argc, const char **argv)
{
Executor *executor;
NSArray *args;
NSAutoreleasePool *pool;
NSProcessInfo *procInfo;
pool = [NSAutoreleasePool new];
procInfo = [NSProcessInfo processInfo];
if (procInfo == nil)
{
NSLog(@"Unable to get process information");
[pool release];
exit(1);
}
executor = [[Executor alloc] init];
args = [procInfo arguments];
NSLog(@"Warning: This tool is obsolete.");
[executor runWithArguments:args];
[executor release];
[pool release];
return 0;
}
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