http://xml.apache.org/http://www.apache.org/http://www.w3.org/

Home

Readme
Release Info

Installation
Download
Build

FAQs
Samples
API Docs

DOM C++ Binding
Programming
Migration Guide

Feedback
Bug-Reporting
PDF Document

CVS Repository
Mail Archive

API Docs for SAX and DOM
 

Main Page   Class Hierarchy   Alphabetical List   Compound List   File List   Compound Members   File Members  

XMLURL.hpp

Go to the documentation of this file.
00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  * Copyright (c) 1999-2000 The Apache Software Foundation.  All rights
00005  * reserved.
00006  *
00007  * Redistribution and use in source and binary forms, with or without
00008  * modification, are permitted provided that the following conditions
00009  * are met:
00010  *
00011  * 1. Redistributions of source code must retain the above copyright
00012  *    notice, this list of conditions and the following disclaimer.
00013  *
00014  * 2. Redistributions in binary form must reproduce the above copyright
00015  *    notice, this list of conditions and the following disclaimer in
00016  *    the documentation and/or other materials provided with the
00017  *    distribution.
00018  *
00019  * 3. The end-user documentation included with the redistribution,
00020  *    if any, must include the following acknowledgment:
00021  *       "This product includes software developed by the
00022  *        Apache Software Foundation (http://www.apache.org/)."
00023  *    Alternately, this acknowledgment may appear in the software itself,
00024  *    if and wherever such third-party acknowledgments normally appear.
00025  *
00026  * 4. The names "Xerces" and "Apache Software Foundation" must
00027  *    not be used to endorse or promote products derived from this
00028  *    software without prior written permission. For written
00029  *    permission, please contact apache\@apache.org.
00030  *
00031  * 5. Products derived from this software may not be called "Apache",
00032  *    nor may "Apache" appear in their name, without prior written
00033  *    permission of the Apache Software Foundation.
00034  *
00035  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00036  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00037  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00038  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
00039  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00040  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00041  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00042  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00043  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00044  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00045  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00046  * SUCH DAMAGE.
00047  * ====================================================================
00048  *
00049  * This software consists of voluntary contributions made by many
00050  * individuals on behalf of the Apache Software Foundation, and was
00051  * originally based on software copyright (c) 1999, International
00052  * Business Machines, Inc., http://www.ibm.com .  For more information
00053  * on the Apache Software Foundation, please see
00054  * <http://www.apache.org/>.
00055  */
00056 
00057 /*
00058  * $Id: XMLURL.hpp,v 1.5 2003/02/05 22:22:54 tng Exp $
00059  */
00060 
00061 #if !defined(XMLURL_HPP)
00062 #define XMLURL_HPP
00063 
00064 #include <xercesc/util/XercesDefs.hpp>
00065 #include <xercesc/util/XMLException.hpp>
00066 
00067 XERCES_CPP_NAMESPACE_BEGIN
00068 
00069 class BinInputStream;
00070 
00071 //
00072 //  This class supports file, http, and ftp style URLs. All others are
00073 //  rejected
00074 //
00075 class  XMLURL
00076 {
00077 public:
00078     // -----------------------------------------------------------------------
00079     //  Class types
00080     //
00081     //  And they must remain in this order because they are indexes into an
00082     //  array internally!
00083     // -----------------------------------------------------------------------
00084     enum Protocols
00085     {
00086         File
00087         , HTTP
00088         , FTP
00089 
00090         , Protocols_Count
00091         , Unknown
00092     };
00093 
00094 
00095     // -----------------------------------------------------------------------
00096     //  Public static methods
00097     // -----------------------------------------------------------------------
00098     static Protocols lookupByName(const XMLCh* const protoName);
00099 
00100 
00101     // -----------------------------------------------------------------------
00102     //  Constructors and Destructor
00103     // -----------------------------------------------------------------------
00104     XMLURL();
00105     XMLURL
00106     (
00107         const   XMLCh* const    baseURL
00108         , const XMLCh* const    relativeURL
00109     );
00110     XMLURL
00111     (
00112         const   XMLCh* const    baseURL
00113         , const char* const     relativeURL
00114     );
00115     XMLURL
00116     (
00117         const   XMLURL&         baseURL
00118         , const XMLCh* const    relativeURL
00119     );
00120     XMLURL
00121     (
00122         const   XMLURL&         baseURL
00123         , const char* const     relativeURL
00124     );
00125     XMLURL
00126     (
00127         const   XMLCh* const    urlText
00128     );
00129     XMLURL
00130     (
00131         const   char* const     urlText
00132     );
00133     XMLURL(const XMLURL& toCopy);
00134     virtual ~XMLURL();
00135 
00136 
00137     // -----------------------------------------------------------------------
00138     //  Operators
00139     // -----------------------------------------------------------------------
00140     XMLURL& operator=(const XMLURL& toAssign);
00141     bool operator==(const XMLURL& toCompare) const;
00142     bool operator!=(const XMLURL& toCompare) const;
00143 
00144 
00145     // -----------------------------------------------------------------------
00146     //  Getter methods
00147     // -----------------------------------------------------------------------
00148     const XMLCh* getFragment() const;
00149     const XMLCh* getHost() const;
00150     const XMLCh* getPassword() const;
00151     const XMLCh* getPath() const;
00152     unsigned int getPortNum() const;
00153     Protocols getProtocol() const;
00154     const XMLCh* getProtocolName() const;
00155     const XMLCh* getQuery() const;
00156     const XMLCh* getURLText() const;
00157     const XMLCh* getUser() const;
00158 
00159 
00160     // -----------------------------------------------------------------------
00161     //  Setter methods
00162     // -----------------------------------------------------------------------
00163     void setURL(const XMLCh* const urlText);
00164     void setURL
00165     (
00166         const   XMLCh* const    baseURL
00167         , const XMLCh* const    relativeURL
00168     );
00169     void setURL
00170     (
00171         const   XMLURL&         baseURL
00172         , const XMLCh* const    relativeURL
00173     );
00174 
00175 
00176     // -----------------------------------------------------------------------
00177     //  Miscellaneous methods
00178     // -----------------------------------------------------------------------
00179     bool isRelative() const;
00180     bool hasInvalidChar() const;
00181     BinInputStream* makeNewStream() const;
00182     void makeRelativeTo(const XMLCh* const baseURLText);
00183     void makeRelativeTo(const XMLURL& baseURL);
00184 
00185 
00186 private:
00187     // -----------------------------------------------------------------------
00188     //  Private helper methods
00189     // -----------------------------------------------------------------------
00190     void buildFullText();
00191     void cleanup();
00192     bool conglomerateWithBase(const XMLURL& baseURL, bool useExceptions=true);
00193     void parse
00194     (
00195         const   XMLCh* const    urlText
00196     );
00197 
00198 
00199     // -----------------------------------------------------------------------
00200     //  Data members
00201     //
00202     //  fFragment
00203     //      The fragment part of the URL, if any. If none, its a null.
00204     //
00205     //  fHost
00206     //      The host part of the URL that was parsed out. This one will often
00207     //      be null (or "localhost", which also means the current machine.)
00208     //
00209     //  fPassword
00210     //      The password found, if any. If none then its a null.
00211     //
00212     //  fPath
00213     //      The path part of the URL that was parsed out, if any. If none,
00214     //      then its a null.
00215     //
00216     //  fPortNum
00217     //      The port that was indicated in the URL. If no port was provided
00218     //      explicitly, then its left zero.
00219     //
00220     //  fProtocol
00221     //      Indicates the type of the URL's source. The text of the prefix
00222     //      can be gotten from this.
00223     //
00224     //  fQuery
00225     //      The query part of the URL, if any. If none, then its a null.
00226     //
00227     //  fUser
00228     //      The username found, if any. If none, then its a null.
00229     //
00230     //  fURLText
00231     //      This is a copy of the URL text, after it has been taken apart,
00232     //      made relative if needed, canonicalized, and then put back
00233     //      together. Its only created upon demand.
00234     //
00235     //  fHasInvalidChar
00236     //      This indicates if the URL Text contains invalid characters as per
00237     //      RFC 2396 standard.
00238     // -----------------------------------------------------------------------
00239     XMLCh*          fFragment;
00240     XMLCh*          fHost;
00241     XMLCh*          fPassword;
00242     XMLCh*          fPath;
00243     unsigned int    fPortNum;
00244     Protocols       fProtocol;
00245     XMLCh*          fQuery;
00246     XMLCh*          fUser;
00247     XMLCh*          fURLText;
00248     bool            fHasInvalidChar;
00249 };
00250 
00251 
00252 // ---------------------------------------------------------------------------
00253 //  XMLURL: Public operators
00254 // ---------------------------------------------------------------------------
00255 inline bool XMLURL::operator!=(const XMLURL& toCompare) const
00256 {
00257     return !operator==(toCompare);
00258 }
00259 
00260 
00261 // ---------------------------------------------------------------------------
00262 //  XMLURL: Getter methods
00263 // ---------------------------------------------------------------------------
00264 inline const XMLCh* XMLURL::getFragment() const
00265 {
00266     return fFragment;
00267 }
00268 
00269 inline const XMLCh* XMLURL::getHost() const
00270 {
00271     return fHost;
00272 }
00273 
00274 inline const XMLCh* XMLURL::getPassword() const
00275 {
00276     return fPassword;
00277 }
00278 
00279 inline const XMLCh* XMLURL::getPath() const
00280 {
00281     return fPath;
00282 }
00283 
00284 inline XMLURL::Protocols XMLURL::getProtocol() const
00285 {
00286     return fProtocol;
00287 }
00288 
00289 inline const XMLCh* XMLURL::getQuery() const
00290 {
00291     return fQuery;
00292 }
00293 
00294 inline const XMLCh* XMLURL::getUser() const
00295 {
00296     return fUser;
00297 }
00298 
00299 inline const XMLCh* XMLURL::getURLText() const
00300 {
00301     //
00302     //  Fault it in if not already. Since this is a const method and we
00303     //  can't use mutable members due the compilers we have to support,
00304     //  we have to cast off the constness.
00305     //
00306     if (!fURLText)
00307         ((XMLURL*)this)->buildFullText();
00308 
00309     return fURLText;
00310 }
00311 
00312 MakeXMLException(MalformedURLException, )
00313 
00314 XERCES_CPP_NAMESPACE_END
00315 
00316 
00317 #endif


Copyright © 2000 The Apache Software Foundation. All Rights Reserved.