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/*
Copyright (C) 2000-2009 SKYRIX Software AG
This file is part of SOPE.
SOPE 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, or (at your option) any
later version.
SOPE 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 SOPE; see the file COPYING. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
#include "DOMPYXOutputter.h"
#include "DOMDocument.h"
#include "DOMElement.h"
#include "common.h"
@interface NGDOMPYXOutputter(Privates)
- (void)outputNode:(id)_node to:(id)_target;
- (void)outputNodeList:(id)_nodeList to:(id)_target;
@end
@implementation NGDOMPYXOutputter
- (void)write:(NSString *)s to:(id)_target {
#ifndef __APPLE__
printf("%s", [s cString]);
#else
printf("%s", [s UTF8String]);
#endif
}
- (BOOL)currentElementPreservesWhitespace {
return NO;
}
- (void)outputAttributeNode:(id<DOMAttr>)_attrNode
ofNode:(id<DOMNode>)_node
to:(id)_target
{
[self write:@"A" to:_target];
[self write:[_attrNode name] to:_target];
[self write:@" " to:_target];
[self write:[_attrNode nodeValue] to:_target];
[self write:@"\n" to:_target];
}
- (void)outputAttributeNodes:(id<DOMNamedNodeMap>)_nodes
ofNode:(id<DOMNode>)_node
to:(id)_target
{
unsigned i, count;
if ((count = [_nodes length]) == 0)
return;
for (i = 0; i < count; i++) {
[self outputAttributeNode:[_nodes objectAtIndex:i]
ofNode:_node
to:_target];
}
}
- (void)outputTextNode:(id<DOMText>)_node to:(id)_target {
NSString *s;
unsigned len;
s = [_node data];
if ((len = [s length]) == 0)
return;
if ([s rangeOfString:@"\n"].length != 0) {
s = [[s componentsSeparatedByString:@"\n"]
componentsJoinedByString:@"\\n"];
}
[self write:@"-" to:_target];
[self write:s to:_target];
[self write:@"\n" to:_target];
}
- (void)outputCommentNode:(id<DOMComment>)_node to:(id)_target {
[self write:@"<!-- " to:_target];
[self write:[_node data] to:_target];
[self write:@" -->" to:_target];
if (![self currentElementPreservesWhitespace])
[self write:@"\n" to:_target];
}
- (void)outputElementNode:(id<DOMElement>)_node to:(id)_target {
NSString *tagName;
// NSString *ns;
/* needs to declare namespaces !!! */
tagName = [_node tagName];
if ([[_node prefix] length] > 0) {
NSString *p = [_node prefix];
p = [p stringByAppendingString:@":"];
tagName = [p stringByAppendingString:tagName];
// ns = [NSString stringWithFormat:@" xmlns:%@=\"%@\"",
// [_node prefix],
// [_node namespaceURI]];
}
// else if ([[_node namespaceURI] length] > 0) {
// ns = [NSString stringWithFormat:@" xmlns=\"%@\"", [_node namespaceURI]];
// }
// else
// ns = nil;
[self write:@"(" to:_target];
[self write:tagName to:_target];
[self write:@"\n" to:_target];
[self outputAttributeNodes:[_node attributes] ofNode:_node to:_target];
if ([_node hasChildNodes])
[self outputNodeList:[_node childNodes] to:_target];
[self write:@")" to:_target];
[self write:tagName to:_target];
[self write:@"\n" to:_target];
}
- (void)outputCDATA:(id<DOMCharacterData>)_node to:(id)_target {
NSString *s;
s = [_node data];
if ([s rangeOfString:@"\n"].length != 0) {
/* escape newlines */
s = [[s componentsSeparatedByString:@"\n"]
componentsJoinedByString:@"\\n"];
}
[self write:@"-" to:_target];
[self write:s to:_target];
[self write:@"\n" to:_target];
}
- (void)outputPI:(id<DOMProcessingInstruction>)_node to:(id)_target {
[self write:@"?" to:_target];
[self write:[_node target] to:_target];
[self write:@" " to:_target];
[self write:[_node data] to:_target];
[self write:@"\n" to:_target];
}
- (void)outputNode:(id)_node to:(id)_target {
switch ([_node nodeType]) {
case DOM_ELEMENT_NODE:
[self outputElementNode:_node to:_target];
break;
case DOM_CDATA_SECTION_NODE:
[self outputCDATA:_node to:_target];
break;
case DOM_PROCESSING_INSTRUCTION_NODE:
[self outputPI:_node to:_target];
break;
case DOM_TEXT_NODE:
[self outputTextNode:_node to:_target];
break;
case DOM_COMMENT_NODE:
[self outputCommentNode:_node to:_target];
break;
default:
NSLog(@"cannot output node %@", _node);
break;
}
}
- (void)outputNodeList:(id)_nodeList to:(id)_target {
id children;
unsigned i, count;
children = _nodeList;
for (i = 0, count = [children count]; i < count; i++)
[self outputNode:[children objectAtIndex:i] to:_target];
}
- (void)outputDocument:(id)_document to:(id)_target {
if (![_document hasChildNodes])
return;
NS_DURING
[self outputNodeList:[_document childNodes] to:_target];
NS_HANDLER
#ifndef __APPLE__
fprintf(stderr, "%s\n", [[localException description] cString]);
#else
fprintf(stderr, "%s\n", [[localException description] UTF8String]);
#endif
#if DEBUG
abort();
#endif
NS_ENDHANDLER;
}
@end /* DOMPYXOutputter */
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