Very rough first start, not even everything added

PrefsSourceLib/XMLParser.h

@@ -0,0 +1,126 @@
+/*
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * Copyright (c) 1999-2008 Apple Inc.  All Rights Reserved.
+ *
+ * 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@
+ *
+ */
+
+#ifndef __XMLParser_h__
+#define __XMLParser_h__
+
+#include "StringParser.h"
+#include "OSQueue.h"
+#include "OSFileSource.h"
+#include "ResizeableStringFormatter.h"
+
+class DTDVerifier
+{
+public:
+    virtual bool IsValidSubtag(char* tagName, char* subTagName) = 0;
+    virtual bool IsValidAttributeName(char* tagName, char* attrName) = 0;
+    virtual bool IsValidAttributeValue(char* tagName, char* attrName, char* attrValue) = 0;
+    virtual char* GetRequiredAttribute(char* tagName, int index) = 0;
+    virtual bool CanHaveValue(char* tagName) = 0;
+	virtual ~DTDVerifier(){};
+};
+
+class XMLTag
+{
+public:
+    XMLTag();
+    XMLTag(char* tagName);
+    ~XMLTag();
+    
+    bool ParseTag(StringParser* parser, DTDVerifier* verifier, char* errorBuffer = NULL, int errorBufferSize = 0);
+    
+    char* GetAttributeValue(const char* attrName);
+    char* GetValue() { return fValue; }
+    char* GetTagName() { return fTag; }
+    
+    UInt32 GetNumEmbeddedTags() { return fEmbeddedTags.GetLength(); }
+    
+    XMLTag* GetEmbeddedTag(const UInt32 index = 0);
+    XMLTag* GetEmbeddedTagByName(const char* tagName, const UInt32 index = 0);
+    XMLTag* GetEmbeddedTagByAttr(const char* attrName, const char* attrValue, const UInt32 index = 0);
+    XMLTag* GetEmbeddedTagByNameAndAttr(const char* tagName, const char* attrName, const char* attrValue, const UInt32 index = 0);
+    
+    void AddAttribute(char* attrName, char* attrValue);
+    void RemoveAttribute(char* attrName);
+    void AddEmbeddedTag(XMLTag* tag);
+    void RemoveEmbeddedTag(XMLTag* tag);
+    
+    void SetTagName( char* name);
+    void SetValue( char* value);
+    
+    void FormatData(ResizeableStringFormatter* formatter, UInt32 indent);
+
+private:
+    void ConsumeIfComment(StringParser* parser);
+
+    char* fTag;
+    char* fValue;
+    OSQueue fAttributes;
+    OSQueue fEmbeddedTags;
+    
+    OSQueueElem fElem;
+
+    static UInt8 sNonNameMask[];        // stop when you hit a word
+};
+
+class XMLAttribute
+{
+public:
+    XMLAttribute();
+    ~XMLAttribute();
+    
+    char* fAttrName;
+    char* fAttrValue;
+    
+    OSQueueElem fElem;
+};
+
+class XMLParser
+{
+public:
+    XMLParser( char* inPath, DTDVerifier* verifier = NULL);
+    ~XMLParser();
+    
+    // Check for existence, man.
+    Bool16  DoesFileExist();
+    Bool16  DoesFileExistAsDirectory();
+    Bool16  CanWriteFile();
+    
+    Bool16  ParseFile(char* errorBuffer = NULL, int errorBufferSize = 0);
+        
+    XMLTag* GetRootTag() { return fRootTag; }
+    void SetRootTag(XMLTag* tag);
+    
+    void WriteToFile(char** fileHeader);
+    
+private:
+    XMLTag*         fRootTag;
+        
+    OSFileSource    fFile;
+    char*           fFilePath;
+    DTDVerifier*    fVerifier;
+};
+
+#endif