/*

 * Project:     Libezv

 * File:        AWEzvXMLNode.m

 *

 * Version:     1.0

 * Author:      Andrew Wellington <proton[at]wiretapped.net>

 *

 * License:

 * Copyright (C) 2004-2005 Andrew Wellington.

 * All rights reserved.

 * 

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 * 

 * 1. Redistributions of source code must retain the above copyright notice,

 * this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 * this list of conditions and the following disclaimer in the documentation

 * and/or other materials provided with the distribution.

 * 

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED

 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO

 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;

 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR

 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF

 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#import "AWEzvXMLNode.h"

#define DEFAULT_CAPACITY	10

@implementation AWEzvXMLNode

- (id) initWithType:(int)theType name:(NSString *)theName 

{

    if ((self = [super init])) {

		type = theType;

		name = [theName copy];

		children = [[NSMutableArray alloc] initWithCapacity:DEFAULT_CAPACITY];

		attributes = [[NSMutableDictionary alloc] initWithCapacity:DEFAULT_CAPACITY];

	}

    return self;

}

- (void)dealloc

{

	[children release]; children = nil;

	[attributes release]; attributes = nil;

	[name release]; name = nil;

	[super dealloc];

}

- (int) type {

    return type;

}

- (NSArray *)children {

    return [[children copy] autorelease];

}

- (void) addChild:(AWEzvXMLNode *)node {

    [children addObject:node];

}

- (NSDictionary *)attributes {

    return [[attributes copy] autorelease];

}

- (void) addAttribute:(NSString *)property withValue:(NSString *)value {

	if (value && property)

		[attributes setObject:value forKey:property];

	else {

		NSLog(@"WARNING: %@ attempted to set %@ for %@", self, value, propery);

		AILogWithSignature(@"WARNING: %@ attempted to set %@ for %@", self, value, propery);

	}

}

- (NSString *)name {

    return name;

}

- (void) setName:(NSString *)theName {

	if (name != theName) {

        [name release];

		name = [theName retain];

	}

}

- (NSString *)xmlString {

    NSMutableString	*string;

    NSString		*key;

    AWEzvXMLNode	*node;

    if (type == AWEzvXMLText) {

        string = [[name mutableCopy] autorelease];

        [string replaceOccurrencesOfString:@"&" withString:@"&" 

								   options:NSLiteralSearch range:NSMakeRange(0, [string length])];

        [string replaceOccurrencesOfString:@"<" withString:@"&lt;" 

								   options:NSLiteralSearch range:NSMakeRange(0, [string length])];

        [string replaceOccurrencesOfString:@">" withString:@">" 

								   options:NSLiteralSearch range:NSMakeRange(0, [string length])];

        return [[string copy] autorelease];

    } else if (type == AWEzvXMLRaw) {

		return [[name copy] autorelease];

    }

    string = [NSMutableString stringWithString:@"<"];

    [string appendString:name];

		for (key in [attributes keyEnumerator]) {

        [string appendFormat:@" %@=\"%@\"", key, [attributes objectForKey:key]];

    }

    [string appendString:@">"];

    for (node in children) {

		NSString	*xmlString;

		if ((xmlString = [node xmlString])) {

			[string appendString:xmlString];

		}

    }

    [string appendFormat:@"</%@>", name];

    return [[string copy] autorelease];

}

- (NSString *)description

{

	NSMutableString *string, *key;

	AWEzvXMLNode	*node;

	string = [NSMutableString stringWithString:@"<"];

	[string appendString:name];

	for (key in [attributes keyEnumerator]) {

		[string appendFormat:@" %@=\"%@\"", key, [attributes objectForKey:key]];

	}

	[string appendString:@">"];

	for (node in children) {

		NSString	*xmlString;

		if ((xmlString = [node xmlString])) {

			[string appendString:xmlString];

		}

	}

	[string appendFormat:@"</%@>", name];

	return [NSString stringWithFormat:@"<AWEzvXMLNode %x:type %i:\"%@\">",self,type,string];

}

@end