secureswitools/swisistools/source/xmlparser/xerces/include/xercesc/util/XMLUri.hpp
changeset 0 ba25891c3a9e
child 1 c42dffbd5b4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/secureswitools/swisistools/source/xmlparser/xerces/include/xercesc/util/XMLUri.hpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,677 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * $Id: XMLUri.hpp 568078 2007-08-21 11:43:25Z amassari $
+ */
+
+#if !defined(XMLURI_HPP)
+#define XMLURI_HPP
+
+#include <xercesc/util/XMemory.hpp>
+#include <xercesc/util/XMLString.hpp>
+
+#include <xercesc/internal/XSerializable.hpp>
+#include <xercesc/framework/XMLBuffer.hpp>
+
+XERCES_CPP_NAMESPACE_BEGIN
+
+/*
+ * This class is a direct port of Java's URI class, to distinguish
+ * itself from the XMLURL, we use the name XMLUri instead of
+ * XMLURI.
+ *
+ * TODO: how to relate XMLUri and XMLURL since URL is part of URI.
+ *
+ */
+
+class XMLUTIL_EXPORT XMLUri : public XSerializable, public XMemory
+{
+public:
+
+    // -----------------------------------------------------------------------
+    //  Constructors and Destructor
+    // -----------------------------------------------------------------------
+
+    /**
+     * Construct a new URI from a URI specification string.
+     *
+     * If the specification follows the "generic URI" syntax, (two slashes
+     * following the first colon), the specification will be parsed
+     * accordingly - setting the
+     *                           scheme,
+     *                           userinfo,
+     *                           host,
+     *                           port,
+     *                           path,
+     *                           querystring and
+     *                           fragment
+     * fields as necessary.
+     *
+     * If the specification does not follow the "generic URI" syntax,
+     * the specification is parsed into a
+     *                           scheme and
+     *                           scheme-specific part (stored as the path) only.
+     *
+     * @param uriSpec the URI specification string (cannot be null or empty)
+     *
+     * @param manager Pointer to the memory manager to be used to
+     *                allocate objects.
+     *
+     * ctor# 2
+     *
+     */
+    XMLUri(const XMLCh* const    uriSpec,
+           MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
+
+    /**
+     * Construct a new URI from a base URI and a URI specification string.
+     * The URI specification string may be a relative URI.
+     *
+     * @param baseURI the base URI (cannot be null if uriSpec is null or
+     *                empty)
+     *
+     * @param uriSpec the URI specification string (cannot be null or
+     *                empty if base is null)
+     *
+     * @param manager Pointer to the memory manager to be used to
+     *                allocate objects.
+     *
+     * ctor# 7 relative ctor
+     *
+     */
+    XMLUri(const XMLUri* const  baseURI
+         , const XMLCh* const   uriSpec
+         , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
+
+    /**
+     * Copy constructor
+     */
+    XMLUri(const XMLUri& toCopy);
+    XMLUri& operator=(const XMLUri& toAssign);
+
+    virtual ~XMLUri();
+
+    // -----------------------------------------------------------------------
+    //  Getter methods
+    // -----------------------------------------------------------------------
+    /**
+     * Get the URI as a string specification. See RFC 2396 Section 5.2.
+     *
+     * @return the URI string specification
+     */
+    const XMLCh* getUriText() const;
+
+    /**
+     * Get the scheme for this URI.
+     *
+     * @return the scheme for this URI
+     */
+     const XMLCh* getScheme() const;
+
+    /**
+     * Get the userinfo for this URI.
+     *
+     * @return the userinfo for this URI (null if not specified).
+     */
+     const XMLCh* getUserInfo() const;
+
+
+    /**
+     * Get the host for this URI.
+     *
+     * @return the host for this URI (null if not specified).
+     */
+     const XMLCh* getHost() const;
+
+    /**
+     * Get the port for this URI.
+     *
+     * @return the port for this URI (-1 if not specified).
+     */
+     int getPort() const;
+     
+    /**
+     * Get the registry based authority for this URI.
+     * 
+     * @return the registry based authority (null if not specified).
+     */
+     const XMLCh* getRegBasedAuthority() const;
+
+    /**
+     * Get the path for this URI. Note that the value returned is the path
+     * only and does not include the query string or fragment.
+     *
+     * @return the path for this URI.
+     */
+     const XMLCh* getPath() const;
+
+    /**
+     * Get the query string for this URI.
+     *
+     * @return the query string for this URI. Null is returned if there
+     *         was no "?" in the URI spec, empty string if there was a
+     *         "?" but no query string following it.
+     */
+     const XMLCh* getQueryString() const;
+
+    /**
+     * Get the fragment for this URI.
+     *
+     * @return the fragment for this URI. Null is returned if there
+     *         was no "#" in the URI spec, empty string if there was a
+     *         "#" but no fragment following it.
+     */
+     const XMLCh* getFragment() const;
+
+    // -----------------------------------------------------------------------
+    //  Setter methods
+    // -----------------------------------------------------------------------
+
+    /**
+     * Set the scheme for this URI. The scheme is converted to lowercase
+     * before it is set.
+     *
+     * @param newScheme the scheme for this URI (cannot be null)
+     *
+     */
+     void setScheme(const XMLCh* const newScheme);
+
+    /**
+     * Set the userinfo for this URI. If a non-null value is passed in and
+     * the host value is null, then an exception is thrown.
+     *
+     * @param newUserInfo the userinfo for this URI
+     *
+     */
+     void setUserInfo(const XMLCh* const newUserInfo);
+
+    /**
+     * Set the host for this URI. If null is passed in, the userinfo
+     * field is also set to null and the port is set to -1.
+     *
+     * Note: This method overwrites registry based authority if it
+     * previously existed in this URI.
+     *
+     * @param newHost the host for this URI
+     *
+     */
+     void setHost(const XMLCh* const newHost);
+
+    /**
+     * Set the port for this URI. -1 is used to indicate that the port is
+     * not specified, otherwise valid port numbers are  between 0 and 65535.
+     * If a valid port number is passed in and the host field is null,
+     * an exception is thrown.
+     *
+     * @param newPort the port number for this URI
+     *
+     */
+     void setPort(int newPort);
+     
+    /**
+     * Sets the registry based authority for this URI.
+     * 
+     * Note: This method overwrites server based authority
+     * if it previously existed in this URI.
+     * 
+     * @param newRegAuth the registry based authority for this URI
+     */
+     void setRegBasedAuthority(const XMLCh* const newRegAuth);
+
+    /**
+     * Set the path for this URI.
+     *
+     * If the supplied path is null, then the
+     * query string and fragment are set to null as well.
+     *
+     * If the supplied path includes a query string and/or fragment,
+     * these fields will be parsed and set as well.
+     *
+     * Note:
+     *
+     * For URIs following the "generic URI" syntax, the path
+     * specified should start with a slash.
+     *
+     * For URIs that do not follow the generic URI syntax, this method
+     * sets the scheme-specific part.
+     *
+     * @param newPath the path for this URI (may be null)
+     *
+     */
+     void setPath(const XMLCh* const newPath);
+
+    /**
+     * Set the query string for this URI. A non-null value is valid only
+     * if this is an URI conforming to the generic URI syntax and
+     * the path value is not null.
+     *
+     * @param newQueryString the query string for this URI
+     *
+     */
+     void setQueryString(const XMLCh* const newQueryString);
+
+    /**
+     * Set the fragment for this URI. A non-null value is valid only
+     * if this is a URI conforming to the generic URI syntax and
+     * the path value is not null.
+     *
+     * @param newFragment the fragment for this URI
+     *
+     */
+     void setFragment(const XMLCh* const newFragment);
+
+     // -----------------------------------------------------------------------
+    //  Miscellaneous methods
+    // -----------------------------------------------------------------------
+
+    /**
+     * Determine whether a given string contains only URI characters (also
+     * called "uric" in RFC 2396). uric consist of all reserved
+     * characters, unreserved characters and escaped characters.
+     *
+     * @return true if the string is comprised of uric, false otherwise
+     */
+    static bool isURIString(const XMLCh* const uric);
+
+    /**
+     * Determine whether a given string is a valid URI
+     */
+    static bool isValidURI( const XMLUri* const baseURI
+                          , const XMLCh* const uriStr);
+    /**
+     * Determine whether a given string is a valid URI
+     */
+    static bool isValidURI( bool haveBaseURI
+                          , const XMLCh* const uriStr);
+
+
+    static void normalizeURI(const XMLCh*     const systemURI,
+                                   XMLBuffer&       normalizedURI);
+
+    /***
+     * Support for Serialization/De-serialization
+     ***/
+    DECL_XSERIALIZABLE(XMLUri)
+
+    XMLUri(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);
+
+private:
+
+    static const XMLCh MARK_OR_RESERVED_CHARACTERS[];
+    static const XMLCh RESERVED_CHARACTERS[];
+    static const XMLCh MARK_CHARACTERS[];
+    static const XMLCh SCHEME_CHARACTERS[];
+    static const XMLCh USERINFO_CHARACTERS[];
+    static const XMLCh REG_NAME_CHARACTERS[];
+    static const XMLCh PATH_CHARACTERS[];
+
+    //helper method for getUriText
+    void buildFullText();
+
+    // -----------------------------------------------------------------------
+    //  Private helper methods
+    // -----------------------------------------------------------------------
+
+    /**
+     * Determine whether a character is a reserved character:
+     *
+     * @return true if the string contains any reserved characters
+     */
+    static bool isReservedCharacter(const XMLCh theChar);
+    
+    /**
+     * Determine whether a character is a path character:
+     *
+     * @return true if the character is path character
+     */
+    static bool isPathCharacter(const XMLCh theChar);
+
+    /**
+     * Determine whether a char is an unreserved character.
+     *
+     * @return true if the char is unreserved, false otherwise
+     */
+    static bool isUnreservedCharacter(const XMLCh theChar);
+
+    /**
+     * Determine whether a char is an reserved or unreserved character.
+     *
+     * @return true if the char is reserved or unreserved, false otherwise
+     */                
+    static bool isReservedOrUnreservedCharacter(const XMLCh theChar);
+
+    /**
+     * Determine whether a scheme conforms to the rules for a scheme name.
+     * A scheme is conformant if it starts with an alphanumeric, and
+     * contains only alphanumerics, '+','-' and '.'.
+     *
+     * @return true if the scheme is conformant, false otherwise
+     */
+    static bool isConformantSchemeName(const XMLCh* const scheme);
+
+    /**
+     * Determine whether a userInfo conforms to the rules for a userinfo.
+     *
+     * @return true if the scheme is conformant, false otherwise
+     */
+    static void isConformantUserInfo(const XMLCh* const userInfo
+        , MemoryManager* const manager);
+    
+    /**
+     * Determines whether the components host, port, and user info
+     * are valid as a server authority.
+     *
+     * @return true if the given host, port, and userinfo compose
+     * a valid server authority
+     */
+    static bool isValidServerBasedAuthority(const XMLCh* const host
+                                           , const int hostLen
+                                           , const int port
+                                           , const XMLCh* const userinfo
+                                           , const int userLen);
+                                           
+    /**
+     * Determines whether the components host, port, and user info
+     * are valid as a server authority.
+     *
+     * @return true if the given host, port, and userinfo compose
+     * a valid server authority
+     */
+    static bool isValidServerBasedAuthority(const XMLCh* const host
+                                           , const int port
+                                           , const XMLCh* const userinfo
+                                           , MemoryManager* const manager);
+      
+   /**
+    * Determines whether the given string is a registry based authority.
+    * 
+    * @param authority the authority component of a URI
+    * 
+    * @return true if the given string is a registry based authority
+    */
+    static bool isValidRegistryBasedAuthority(const XMLCh* const authority
+                                             , const int authLen);
+
+   /**
+    * Determines whether the given string is a registry based authority.
+    * 
+    * @param authority the authority component of a URI
+    * 
+    * @return true if the given string is a registry based authority
+    */
+    static bool isValidRegistryBasedAuthority(const XMLCh* const authority);
+
+    /**
+     * Determine whether a string is syntactically capable of representing
+     * a valid IPv4 address, IPv6 reference or the domain name of a network host.
+     *
+     * A valid IPv4 address consists of four decimal digit groups
+     * separated by a '.'.
+     *
+     * See RFC 2732 Section 3, and RFC 2373 Section 2.2, for the 
+     * definition of IPv6 references.
+     *
+     * A hostname consists of domain labels (each of which must begin and
+     * end with an alphanumeric but may contain '-') separated by a '.'.
+     * See RFC 2396 Section 3.2.2.
+     *
+     * @return true if the string is a syntactically valid IPv4 address
+     *              or hostname
+     */
+     static bool isWellFormedAddress(const XMLCh* const addr
+         , MemoryManager* const manager);
+     
+    /**
+     * Determines whether a string is an IPv4 address as defined by 
+     * RFC 2373, and under the further constraint that it must be a 32-bit
+     * address. Though not expressed in the grammar, in order to satisfy 
+     * the 32-bit address constraint, each segment of the address cannot 
+     * be greater than 255 (8 bits of information).
+     *
+     * @return true if the string is a syntactically valid IPv4 address
+     */
+     static bool isWellFormedIPv4Address(const XMLCh* const addr, const int length);
+     
+    /**
+     * Determines whether a string is an IPv6 reference as defined
+     * by RFC 2732, where IPv6address is defined in RFC 2373. The 
+     * IPv6 address is parsed according to Section 2.2 of RFC 2373,
+     * with the additional constraint that the address be composed of
+     * 128 bits of information.
+     *
+     * Note: The BNF expressed in RFC 2373 Appendix B does not 
+     * accurately describe section 2.2, and was in fact removed from
+     * RFC 3513, the successor of RFC 2373.
+     *
+     * @return true if the string is a syntactically valid IPv6 reference
+     */
+     static bool isWellFormedIPv6Reference(const XMLCh* const addr, const int length);
+     
+    /**
+     * Helper function for isWellFormedIPv6Reference which scans the 
+     * hex sequences of an IPv6 address. It returns the index of the 
+     * next character to scan in the address, or -1 if the string 
+     * cannot match a valid IPv6 address. 
+     *
+     * @param address the string to be scanned
+     * @param index the beginning index (inclusive)
+     * @param end the ending index (exclusive)
+     * @param counter a counter for the number of 16-bit sections read
+     * in the address
+     *
+     * @return the index of the next character to scan, or -1 if the
+     * string cannot match a valid IPv6 address
+     */
+     static int scanHexSequence (const XMLCh* const addr, int index, int end, int& counter);
+
+    /**
+     * Get the indicator as to whether this URI uses the "generic URI"
+     * syntax.
+     *
+     * @return true if this URI uses the "generic URI" syntax, false
+     *         otherwise
+     */
+     bool isGenericURI();
+
+    // -----------------------------------------------------------------------
+    //  Miscellaneous methods
+    // -----------------------------------------------------------------------
+
+    /**
+     * Initialize all fields of this URI from another URI.
+     *
+     * @param toCopy the URI to copy (cannot be null)
+     */
+     void initialize(const XMLUri& toCopy);
+
+    /**
+     * Initializes this URI from a base URI and a URI specification string.
+     * See RFC 2396 Section 4 and Appendix B for specifications on parsing
+     * the URI and Section 5 for specifications on resolving relative URIs
+     * and relative paths.
+     *
+     * @param baseURI the base URI (may be null if uriSpec is an absolute
+     *               URI)
+     *
+     * @param uriSpec the URI spec string which may be an absolute or
+     *                  relative URI (can only be null/empty if base
+     *                  is not null)
+     *
+     */
+     void initialize(const XMLUri* const baseURI
+                   , const XMLCh*  const uriSpec);
+
+    /**
+     * Initialize the scheme for this URI from a URI string spec.
+     *
+     * @param uriSpec the URI specification (cannot be null)
+     *
+     */
+     void initializeScheme(const XMLCh* const uriSpec);
+
+    /**
+     * Initialize the authority (userinfo, host and port) for this
+     * URI from a URI string spec.
+     *
+     * @param uriSpec the URI specification (cannot be null)
+     *
+     */
+     void initializeAuthority(const XMLCh* const uriSpec);
+
+    /**
+     * Initialize the path for this URI from a URI string spec.
+     *
+     * @param uriSpec the URI specification (cannot be null)
+     *
+     */
+     void initializePath(const XMLCh* const uriSpec);
+
+     /**
+      * cleanup the data variables
+      *
+      */
+     void cleanUp();
+
+    static bool isConformantSchemeName(const XMLCh* const scheme,
+                                       const int schemeLen);
+    static bool processScheme(const XMLCh* const uriStr, int& index);
+    static bool processAuthority(const XMLCh* const uriStr, const int authLen);
+    static bool isWellFormedAddress(const XMLCh* const addr, const int addrLen);
+    static bool processPath(const XMLCh* const pathStr, const int pathStrLen,
+                            const bool isSchemePresent);
+
+    // -----------------------------------------------------------------------
+    //  Data members
+    //
+    //  for all the data member, we own it,
+    //  responsible for the creation and/or deletion for
+    //  the memory allocated.
+    //
+    // -----------------------------------------------------------------------
+    int             fPort;
+    XMLCh*          fScheme;
+    XMLCh*          fUserInfo;
+    XMLCh*          fHost;
+    XMLCh*          fRegAuth;
+    XMLCh*          fPath;
+    XMLCh*          fQueryString;
+    XMLCh*          fFragment;
+    XMLCh*          fURIText;
+    MemoryManager*  fMemoryManager;
+};
+
+// ---------------------------------------------------------------------------
+//  XMLUri: Getter methods
+// ---------------------------------------------------------------------------
+inline const XMLCh* XMLUri::getScheme() const
+{
+    return fScheme;
+}
+
+inline const XMLCh* XMLUri::getUserInfo() const
+{
+	return fUserInfo;
+}
+
+inline const XMLCh* XMLUri::getHost() const
+{
+	return fHost;
+}
+
+inline int XMLUri::getPort() const
+{
+	return fPort;
+}
+
+inline const XMLCh* XMLUri::getRegBasedAuthority() const
+{
+	return fRegAuth;
+}
+
+inline const XMLCh* XMLUri::getPath() const
+{
+	return fPath;
+}
+
+inline const XMLCh* XMLUri::getQueryString() const
+{
+	return fQueryString;
+}
+
+inline const XMLCh* XMLUri::getFragment() const
+{
+	return fFragment;
+}
+
+inline const XMLCh* XMLUri::getUriText() const
+{
+    //
+    //  Fault it in if not already. Since this is a const method and we
+    //  can't use mutable members due the compilers we have to support,
+    //  we have to cast off the constness.
+    //
+    if (!fURIText)
+        ((XMLUri*)this)->buildFullText();
+
+    return fURIText;
+}
+
+// ---------------------------------------------------------------------------
+//  XMLUri: Helper methods
+// ---------------------------------------------------------------------------
+inline bool XMLUri::isReservedOrUnreservedCharacter(const XMLCh theChar)
+{
+   return (XMLString::isAlphaNum(theChar) ||
+           XMLString::indexOf(MARK_OR_RESERVED_CHARACTERS, theChar) != -1);
+}
+
+inline bool XMLUri::isReservedCharacter(const XMLCh theChar)
+{
+    return (XMLString::indexOf(RESERVED_CHARACTERS, theChar) != -1);
+}
+
+inline bool XMLUri::isPathCharacter(const XMLCh theChar)
+{
+    return (XMLString::indexOf(PATH_CHARACTERS, theChar) != -1);
+}
+
+inline bool XMLUri::isUnreservedCharacter(const XMLCh theChar)
+{
+    return (XMLString::isAlphaNum(theChar) ||
+            XMLString::indexOf(MARK_CHARACTERS, theChar) != -1);
+}
+
+XERCES_CPP_NAMESPACE_END
+
+#endif