/*

  * 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