[apple/cf.git] / Parsing.subproj / CFXMLTree.c

/*
 * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*	CFXMLTree.c
	Copyright 1999-2002, Apple, Inc. All rights reserved.
	Responsibility: Chris Parker
*/

#include "CFInternal.h"
#include <CoreFoundation/CFXMLParser.h>

/*************/
/* CFXMLTree */
/*************/

/* Creates a childless node from desc */
CFXMLTreeRef CFXMLTreeCreateWithNode(CFAllocatorRef allocator, CFXMLNodeRef node) {
    CFTreeContext treeCtxt;
    treeCtxt.version = 0;
    treeCtxt.info = (void *)node;
    treeCtxt.retain = CFRetain;
    treeCtxt.release = CFRelease;
    treeCtxt.copyDescription = CFCopyDescription;
    return CFTreeCreate(allocator, &treeCtxt);
}

CFXMLNodeRef CFXMLTreeGetNode(CFXMLTreeRef xmlNode) {
    CFTreeContext treeContext;
    treeContext.version = 0;
    CFTreeGetContext(xmlNode, &treeContext);
    return (CFXMLNodeRef)treeContext.info;
}

// We will probably ultimately want to export this under some public API name
__private_extern__ Boolean CFXMLTreeEqual(CFXMLTreeRef xmlTree1, CFXMLTreeRef xmlTree2) {
    CFXMLNodeRef node1, node2;
    CFXMLTreeRef child1, child2;
    if (CFTreeGetChildCount(xmlTree1) != CFTreeGetChildCount(xmlTree2)) return false;
    node1 = CFXMLTreeGetNode(xmlTree1);
    node2 = CFXMLTreeGetNode(xmlTree2);
    if (!CFEqual(node1, node2)) return false;
    for (child1 = CFTreeGetFirstChild(xmlTree1), child2 = CFTreeGetFirstChild(xmlTree2); child1 && child2; child1 = CFTreeGetNextSibling(child1), child2 = CFTreeGetNextSibling(child2)) {
        if (!CFXMLTreeEqual(child1, child2)) return false;
    }
    return true;
}

static void _CFAppendXML(CFMutableStringRef str, CFXMLTreeRef tree);
static void _CFAppendXMLProlog(CFMutableStringRef str, const CFXMLTreeRef node);
static void _CFAppendXMLEpilog(CFMutableStringRef str, const CFXMLTreeRef node);

CFDataRef CFXMLTreeCreateXMLData(CFAllocatorRef allocator, CFXMLTreeRef xmlTree) {
    CFMutableStringRef xmlStr; 
    CFDataRef result;
    CFStringEncoding encoding;

    __CFGenericValidateType(xmlTree, CFTreeGetTypeID());
    
    xmlStr = CFStringCreateMutable(allocator, 0);
    _CFAppendXML(xmlStr, xmlTree);
    if (CFXMLNodeGetTypeCode(CFXMLTreeGetNode(xmlTree)) == kCFXMLNodeTypeDocument) {
        const CFXMLDocumentInfo *docData = CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(xmlTree));
        encoding = docData ? docData->encoding : kCFStringEncodingUTF8;
    } else {
        encoding = kCFStringEncodingUTF8;
    }
    result = CFStringCreateExternalRepresentation(allocator, xmlStr, encoding, 0);
    CFRelease(xmlStr);
    return result;
}

static void _CFAppendXML(CFMutableStringRef str, CFXMLTreeRef tree) {
    CFXMLTreeRef child;
    _CFAppendXMLProlog(str, tree);
    for (child = CFTreeGetFirstChild(tree); child; child = CFTreeGetNextSibling(child)) {
        _CFAppendXML(str, child);
    }
    _CFAppendXMLEpilog(str, tree);
}

__private_extern__ void appendQuotedString(CFMutableStringRef str, CFStringRef strToQuote) {
    char quoteChar = CFStringFindWithOptions(strToQuote, CFSTR("\""), CFRangeMake(0, CFStringGetLength(strToQuote)), 0, NULL) ? '\'' : '\"';
    CFStringAppendFormat(str, NULL, CFSTR("%c%@%c"), quoteChar, strToQuote, quoteChar);
}

static void appendExternalID(CFMutableStringRef str, CFXMLExternalID *extID) {
    if (extID->publicID) {
        CFStringAppendCString(str, " PUBLIC ", kCFStringEncodingASCII);
        appendQuotedString(str, extID->publicID);
        if (extID->systemID) {
            // Technically, for externalIDs, systemID must not be NULL.  However, by testing for a NULL systemID, we can use this to emit publicIDs, too.  REW, 2/15/2000
            CFStringAppendCString(str, " ", kCFStringEncodingASCII);
            appendQuotedString(str, CFURLGetString(extID->systemID));
        }
    } else if (extID->systemID) {
        CFStringAppendCString(str, " SYSTEM ", kCFStringEncodingASCII);
        appendQuotedString(str, CFURLGetString(extID->systemID));
    } else {
        // Should never get here
    }
}

static void appendElementProlog(CFMutableStringRef str, CFXMLTreeRef tree) {
    const CFXMLElementInfo *data = CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
    CFStringAppendFormat(str, NULL, CFSTR("<%@"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
    if (data->attributeOrder) {
        CFIndex i, c = CFArrayGetCount(data->attributeOrder);
        for (i = 0; i < c; i ++) {
            CFStringRef attr = CFArrayGetValueAtIndex(data->attributeOrder, i);
            CFStringRef value = CFDictionaryGetValue(data->attributes, attr);
            CFStringAppendFormat(str, NULL, CFSTR(" %@="), attr);
            appendQuotedString(str, value);
        }
    }
    if (data->isEmpty) {
        CFStringAppendCString(str, "/>", kCFStringEncodingASCII);
    } else {
        CFStringAppendCString(str, ">", kCFStringEncodingASCII);
    }
}

/* Although named "prolog", for leafs of the tree, this is the only XML generation function called.  This is why Comments, Processing Instructions, etc. generate their XML during this function.  REW, 2/11/2000 */
static void _CFAppendXMLProlog(CFMutableStringRef str, const CFXMLTreeRef tree) {
    switch (CFXMLNodeGetTypeCode(CFXMLTreeGetNode(tree))) {
        case kCFXMLNodeTypeDocument:
            break;
        case kCFXMLNodeTypeElement:
            appendElementProlog(str, tree);
            break;
        case kCFXMLNodeTypeAttribute:
            // Should never be encountered
            break;
        case kCFXMLNodeTypeProcessingInstruction: {
            CFXMLProcessingInstructionInfo *data = (CFXMLProcessingInstructionInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
            if (data->dataString) {
                CFStringAppendFormat(str, NULL, CFSTR("<?%@ %@?>"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)), data->dataString);
            } else {
                CFStringAppendFormat(str, NULL, CFSTR("<?%@?>"));
            }
            break;
        }
        case kCFXMLNodeTypeComment:
            CFStringAppendFormat(str, NULL, CFSTR("<!--%@-->"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            break;
        case kCFXMLNodeTypeText:
            CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            break;
        case kCFXMLNodeTypeCDATASection:
            CFStringAppendFormat(str, NULL, CFSTR("<![CDATA[%@]]>"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            break;
        case kCFXMLNodeTypeDocumentFragment:
            break;
        case kCFXMLNodeTypeEntity: {
            CFXMLEntityInfo *data = (CFXMLEntityInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
            CFStringAppendCString(str, "<!ENTITY ", kCFStringEncodingASCII);
            if (data->entityType == kCFXMLEntityTypeParameter) {
                CFStringAppend(str, CFSTR("% "));
            }
            CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            CFStringAppend(str, CFSTR(" "));
            if (data->replacementText) {
                appendQuotedString(str, data->replacementText);
                CFStringAppendCString(str, ">", kCFStringEncodingASCII);
            } else {
                appendExternalID(str, &(data->entityID));
                if (data->notationName) {
                    CFStringAppendFormat(str, NULL, CFSTR(" NDATA %@"), data->notationName);
                }
                CFStringAppendCString(str, ">", kCFStringEncodingASCII);
            }
                break;
        }
        case kCFXMLNodeTypeEntityReference:
        {
            CFXMLEntityTypeCode entityType = ((CFXMLEntityReferenceInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree)))->entityType;
            if (entityType == kCFXMLEntityTypeParameter) {
                CFStringAppendFormat(str, NULL, CFSTR("%%%@;"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            } else {
                CFStringAppendFormat(str, NULL, CFSTR("&%@;"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            }
            break;
        }
        case kCFXMLNodeTypeDocumentType:
            CFStringAppendCString(str, "<!DOCTYPE ", kCFStringEncodingASCII);
            CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            if (CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree))) {
                CFXMLExternalID *extID = &((CFXMLDocumentTypeInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree)))->externalID;
                appendExternalID(str, extID);
            }
                CFStringAppendCString(str, " [", kCFStringEncodingASCII);
            break;
        case kCFXMLNodeTypeWhitespace:
            CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            break;
        case kCFXMLNodeTypeNotation: {
            CFXMLNotationInfo *data = (CFXMLNotationInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
            CFStringAppendFormat(str, NULL, CFSTR("<!NOTATION %@ "), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            appendExternalID(str, &(data->externalID));
                CFStringAppendCString(str, ">", kCFStringEncodingASCII);
            break;
        }
        case kCFXMLNodeTypeElementTypeDeclaration:
            CFStringAppendFormat(str, NULL, CFSTR("<!ELEMENT %@ %@>"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)), ((CFXMLElementTypeDeclarationInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree)))->contentDescription);
            break;
        case kCFXMLNodeTypeAttributeListDeclaration: {
            CFXMLAttributeListDeclarationInfo *attListData = (CFXMLAttributeListDeclarationInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
            CFIndex idx;
            CFStringAppendCString(str, "<!ATTLIST ", kCFStringEncodingASCII);
            CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
            for (idx = 0; idx < attListData->numberOfAttributes; idx ++) {
                CFXMLAttributeDeclarationInfo *attr = &(attListData->attributes[idx]);
                CFStringAppendFormat(str, NULL, CFSTR("\n\t%@ %@ %@"), attr->attributeName, attr->typeString, attr->defaultString);
            }
            CFStringAppendCString(str, ">", kCFStringEncodingASCII);
            break;
        }
        default:
            CFAssert1(false, __kCFLogAssertion, "Encountered unexpected XMLDataTypeID %d", CFXMLNodeGetTypeCode(CFXMLTreeGetNode(tree)));
    }
}

static void _CFAppendXMLEpilog(CFMutableStringRef str, CFXMLTreeRef tree) {
    CFXMLNodeTypeCode typeID = CFXMLNodeGetTypeCode(CFXMLTreeGetNode(tree));
    if (typeID == kCFXMLNodeTypeElement) {
        if (((CFXMLElementInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree)))->isEmpty) return;
        CFStringAppendFormat(str, NULL, CFSTR("</%@>"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
    } else if (typeID == kCFXMLNodeTypeDocumentType) {
        CFIndex len = CFStringGetLength(str);
        if (CFStringHasSuffix(str, CFSTR(" ["))) {
            // There were no in-line DTD elements
            CFStringDelete(str, CFRangeMake(len-2, 2));
        } else {
            CFStringAppendCString(str, "]", kCFStringEncodingASCII);
        }
        CFStringAppendCString(str, ">", kCFStringEncodingASCII);
    }
}
Commit	Line	Data
9ce05555	1	/*
d8925383	2	* Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
9ce05555 A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
9ce05555 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	/* CFXMLTree.c
	24	Copyright 1999-2002, Apple, Inc. All rights reserved.
	25	Responsibility: Chris Parker
	26	*/
	27
	28	#include "CFInternal.h"
	29	#include <CoreFoundation/CFXMLParser.h>
	30
	31	/*************/
	32	/* CFXMLTree */
	33	/*************/
	34
	35	/* Creates a childless node from desc */
	36	CFXMLTreeRef CFXMLTreeCreateWithNode(CFAllocatorRef allocator, CFXMLNodeRef node) {
	37	CFTreeContext treeCtxt;
	38	treeCtxt.version = 0;
	39	treeCtxt.info = (void *)node;
	40	treeCtxt.retain = CFRetain;
	41	treeCtxt.release = CFRelease;
	42	treeCtxt.copyDescription = CFCopyDescription;
	43	return CFTreeCreate(allocator, &treeCtxt);
	44	}
	45
	46	CFXMLNodeRef CFXMLTreeGetNode(CFXMLTreeRef xmlNode) {
	47	CFTreeContext treeContext;
	48	treeContext.version = 0;
	49	CFTreeGetContext(xmlNode, &treeContext);
	50	return (CFXMLNodeRef)treeContext.info;
	51	}
	52
	53	// We will probably ultimately want to export this under some public API name
	54	__private_extern__ Boolean CFXMLTreeEqual(CFXMLTreeRef xmlTree1, CFXMLTreeRef xmlTree2) {
	55	CFXMLNodeRef node1, node2;
	56	CFXMLTreeRef child1, child2;
	57	if (CFTreeGetChildCount(xmlTree1) != CFTreeGetChildCount(xmlTree2)) return false;
	58	node1 = CFXMLTreeGetNode(xmlTree1);
	59	node2 = CFXMLTreeGetNode(xmlTree2);
	60	if (!CFEqual(node1, node2)) return false;
	61	for (child1 = CFTreeGetFirstChild(xmlTree1), child2 = CFTreeGetFirstChild(xmlTree2); child1 && child2; child1 = CFTreeGetNextSibling(child1), child2 = CFTreeGetNextSibling(child2)) {
	62	if (!CFXMLTreeEqual(child1, child2)) return false;
	63	}
	64	return true;
	65	}
	66
	67	static void _CFAppendXML(CFMutableStringRef str, CFXMLTreeRef tree);
	68	static void _CFAppendXMLProlog(CFMutableStringRef str, const CFXMLTreeRef node);
	69	static void _CFAppendXMLEpilog(CFMutableStringRef str, const CFXMLTreeRef node);
70
71	CFDataRef CFXMLTreeCreateXMLData(CFAllocatorRef allocator, CFXMLTreeRef xmlTree) {
72	CFMutableStringRef xmlStr;
73	CFDataRef result;
74	CFStringEncoding encoding;
75
76	__CFGenericValidateType(xmlTree, CFTreeGetTypeID());
77
78	xmlStr = CFStringCreateMutable(allocator, 0);
79	_CFAppendXML(xmlStr, xmlTree);
80	if (CFXMLNodeGetTypeCode(CFXMLTreeGetNode(xmlTree)) == kCFXMLNodeTypeDocument) {
81	const CFXMLDocumentInfo *docData = CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(xmlTree));
82	encoding = docData ? docData->encoding : kCFStringEncodingUTF8;
83	} else {
84	encoding = kCFStringEncodingUTF8;
85	}
86	result = CFStringCreateExternalRepresentation(allocator, xmlStr, encoding, 0);
87	CFRelease(xmlStr);
88	return result;
89	}
90
91	static void _CFAppendXML(CFMutableStringRef str, CFXMLTreeRef tree) {
92	CFXMLTreeRef child;
93	_CFAppendXMLProlog(str, tree);
94	for (child = CFTreeGetFirstChild(tree); child; child = CFTreeGetNextSibling(child)) {
95	_CFAppendXML(str, child);
96	}
97	_CFAppendXMLEpilog(str, tree);
98	}
99
100	__private_extern__ void appendQuotedString(CFMutableStringRef str, CFStringRef strToQuote) {
101	char quoteChar = CFStringFindWithOptions(strToQuote, CFSTR("\""), CFRangeMake(0, CFStringGetLength(strToQuote)), 0, NULL) ? '\'' : '\"';
102	CFStringAppendFormat(str, NULL, CFSTR("%c%@%c"), quoteChar, strToQuote, quoteChar);
103	}
104
105	static void appendExternalID(CFMutableStringRef str, CFXMLExternalID *extID) {
106	if (extID->publicID) {
107	CFStringAppendCString(str, " PUBLIC ", kCFStringEncodingASCII);
108	appendQuotedString(str, extID->publicID);
109	if (extID->systemID) {
110	// Technically, for externalIDs, systemID must not be NULL. However, by testing for a NULL systemID, we can use this to emit publicIDs, too. REW, 2/15/2000
111	CFStringAppendCString(str, " ", kCFStringEncodingASCII);
112	appendQuotedString(str, CFURLGetString(extID->systemID));
113	}
114	} else if (extID->systemID) {
115	CFStringAppendCString(str, " SYSTEM ", kCFStringEncodingASCII);
116	appendQuotedString(str, CFURLGetString(extID->systemID));
117	} else {
118	// Should never get here
119	}
120	}
121
122	static void appendElementProlog(CFMutableStringRef str, CFXMLTreeRef tree) {
123	const CFXMLElementInfo *data = CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
124	CFStringAppendFormat(str, NULL, CFSTR("<%@"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
125	if (data->attributeOrder) {
126	CFIndex i, c = CFArrayGetCount(data->attributeOrder);
127	for (i = 0; i < c; i ++) {
128	CFStringRef attr = CFArrayGetValueAtIndex(data->attributeOrder, i);
129	CFStringRef value = CFDictionaryGetValue(data->attributes, attr);
130	CFStringAppendFormat(str, NULL, CFSTR(" %@="), attr);
131	appendQuotedString(str, value);
132	}
133	}
134	if (data->isEmpty) {
135	CFStringAppendCString(str, "/>", kCFStringEncodingASCII);
136	} else {
137	CFStringAppendCString(str, ">", kCFStringEncodingASCII);
138	}
139	}
140
141	/* Although named "prolog", for leafs of the tree, this is the only XML generation function called. This is why Comments, Processing Instructions, etc. generate their XML during this function. REW, 2/11/2000 */
142	static void _CFAppendXMLProlog(CFMutableStringRef str, const CFXMLTreeRef tree) {
143	switch (CFXMLNodeGetTypeCode(CFXMLTreeGetNode(tree))) {
144	case kCFXMLNodeTypeDocument:
145	break;
146	case kCFXMLNodeTypeElement:
147	appendElementProlog(str, tree);
148	break;
149	case kCFXMLNodeTypeAttribute:
150	// Should never be encountered
151	break;
152	case kCFXMLNodeTypeProcessingInstruction: {
153	CFXMLProcessingInstructionInfo data = (CFXMLProcessingInstructionInfo )CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
154	if (data->dataString) {
155	CFStringAppendFormat(str, NULL, CFSTR("<?%@ %@?>"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)), data->dataString);
156	} else {
157	CFStringAppendFormat(str, NULL, CFSTR("<?%@?>"));
158	}
159	break;
160	}
161	case kCFXMLNodeTypeComment:
162	CFStringAppendFormat(str, NULL, CFSTR("<!--%@-->"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
163	break;
164	case kCFXMLNodeTypeText:
165	CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
166	break;
167	case kCFXMLNodeTypeCDATASection:
168	CFStringAppendFormat(str, NULL, CFSTR("<![CDATA[%@]]>"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
169	break;
170	case kCFXMLNodeTypeDocumentFragment:
171	break;
172	case kCFXMLNodeTypeEntity: {
173	CFXMLEntityInfo data = (CFXMLEntityInfo )CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
174	CFStringAppendCString(str, "<!ENTITY ", kCFStringEncodingASCII);
175	if (data->entityType == kCFXMLEntityTypeParameter) {
176	CFStringAppend(str, CFSTR("% "));
177	}
178	CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
179	CFStringAppend(str, CFSTR(" "));
180	if (data->replacementText) {
181	appendQuotedString(str, data->replacementText);
182	CFStringAppendCString(str, ">", kCFStringEncodingASCII);
183	} else {
184	appendExternalID(str, &(data->entityID));
185	if (data->notationName) {
186	CFStringAppendFormat(str, NULL, CFSTR(" NDATA %@"), data->notationName);
187	}
188	CFStringAppendCString(str, ">", kCFStringEncodingASCII);
189	}
190	break;
191	}
192	case kCFXMLNodeTypeEntityReference:
193	{
194	CFXMLEntityTypeCode entityType = ((CFXMLEntityReferenceInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree)))->entityType;
195	if (entityType == kCFXMLEntityTypeParameter) {
196	CFStringAppendFormat(str, NULL, CFSTR("%%%@;"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
197	} else {
198	CFStringAppendFormat(str, NULL, CFSTR("&%@;"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
199	}
200	break;
201	}
202	case kCFXMLNodeTypeDocumentType:
203	CFStringAppendCString(str, "<!DOCTYPE ", kCFStringEncodingASCII);
204	CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
205	if (CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree))) {
206	CFXMLExternalID extID = &((CFXMLDocumentTypeInfo )CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree)))->externalID;
207	appendExternalID(str, extID);
208	}
209	CFStringAppendCString(str, " [", kCFStringEncodingASCII);
210	break;
211	case kCFXMLNodeTypeWhitespace:
212	CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
213	break;
214	case kCFXMLNodeTypeNotation: {
215	CFXMLNotationInfo data = (CFXMLNotationInfo )CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
216	CFStringAppendFormat(str, NULL, CFSTR("<!NOTATION %@ "), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
217	appendExternalID(str, &(data->externalID));
218	CFStringAppendCString(str, ">", kCFStringEncodingASCII);
219	break;
220	}
221	case kCFXMLNodeTypeElementTypeDeclaration:
222	CFStringAppendFormat(str, NULL, CFSTR("<!ELEMENT %@ %@>"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)), ((CFXMLElementTypeDeclarationInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree)))->contentDescription);
223	break;
224	case kCFXMLNodeTypeAttributeListDeclaration: {
225	CFXMLAttributeListDeclarationInfo attListData = (CFXMLAttributeListDeclarationInfo )CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree));
226	CFIndex idx;
227	CFStringAppendCString(str, "<!ATTLIST ", kCFStringEncodingASCII);
228	CFStringAppend(str, CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
229	for (idx = 0; idx < attListData->numberOfAttributes; idx ++) {
230	CFXMLAttributeDeclarationInfo *attr = &(attListData->attributes[idx]);
231	CFStringAppendFormat(str, NULL, CFSTR("\n\t%@ %@ %@"), attr->attributeName, attr->typeString, attr->defaultString);
232	}
233	CFStringAppendCString(str, ">", kCFStringEncodingASCII);
234	break;
235	}
236	default:
237	CFAssert1(false, __kCFLogAssertion, "Encountered unexpected XMLDataTypeID %d", CFXMLNodeGetTypeCode(CFXMLTreeGetNode(tree)));
238	}
239	}
240
241	static void _CFAppendXMLEpilog(CFMutableStringRef str, CFXMLTreeRef tree) {
242	CFXMLNodeTypeCode typeID = CFXMLNodeGetTypeCode(CFXMLTreeGetNode(tree));
243	if (typeID == kCFXMLNodeTypeElement) {
244	if (((CFXMLElementInfo *)CFXMLNodeGetInfoPtr(CFXMLTreeGetNode(tree)))->isEmpty) return;
245	CFStringAppendFormat(str, NULL, CFSTR("</%@>"), CFXMLNodeGetString(CFXMLTreeGetNode(tree)));
246	} else if (typeID == kCFXMLNodeTypeDocumentType) {
247	CFIndex len = CFStringGetLength(str);
248	if (CFStringHasSuffix(str, CFSTR(" ["))) {
249	// There were no in-line DTD elements
250	CFStringDelete(str, CFRangeMake(len-2, 2));
251	} else {
252	CFStringAppendCString(str, "]", kCFStringEncodingASCII);
253	}
254	CFStringAppendCString(str, ">", kCFStringEncodingASCII);
255	}
256	}