00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999-2004 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, 00021 * if any, must include the following acknowledgment: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowledgment may appear in the software itself, 00025 * if and wherever such third-party acknowledgments normally appear. 00026 * 00027 * 4. The names "Xalan" and "Apache Software Foundation" must 00028 * not be used to endorse or promote products derived from this 00029 * software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache", 00033 * nor may "Apache" appear in their name, without prior written 00034 * permission of the Apache Software Foundation. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation and was 00052 * originally based on software copyright (c) 1999, International 00053 * Business Machines, Inc., http://www.ibm.com. For more 00054 * information on the Apache Software Foundation, please see 00055 * <http://www.apache.org/>. 00056 */ 00057 #if !defined(XALAN_XALANNAMESPACESSTACK_HEADER_GUARD) 00058 #define XALAN_XALANNAMESPACESSTACK_HEADER_GUARD 00059 00060 00061 00062 // Base include file. Must be first. 00063 #include <xalanc/DOMSupport/DOMSupportDefinitions.hpp> 00064 00065 00066 00067 #include <deque> 00068 #include <vector> 00069 00070 00071 00072 #include <xalanc/PlatformSupport/PrefixResolver.hpp> 00073 #include <xalanc/PlatformSupport/XalanNamespace.hpp> 00074 00075 00076 00077 XALAN_CPP_NAMESPACE_BEGIN 00078 00079 00080 00081 class XalanDOMString; 00082 00083 00084 00085 class XALAN_DOMSUPPORT_EXPORT XalanNamespacesStack 00086 { 00087 public: 00088 00089 class XALAN_DOMSUPPORT_EXPORT PrefixResolverProxy : public PrefixResolver 00090 { 00091 public: 00092 00101 PrefixResolverProxy( 00102 const XalanNamespacesStack& theStack, 00103 const XalanDOMString& theURI); 00104 00105 virtual 00106 ~PrefixResolverProxy(); 00107 00108 virtual const XalanDOMString* 00109 getNamespaceForPrefix(const XalanDOMString& prefix) const; 00110 00111 virtual const XalanDOMString& 00112 getURI() const; 00113 00114 private: 00115 00116 const XalanNamespacesStack& m_stack; 00117 00118 const XalanDOMString& m_uri; 00119 }; 00120 00121 class XALAN_DOMSUPPORT_EXPORT XalanNamespacesStackEntry 00122 { 00123 public: 00124 00125 typedef XalanNamespace value_type; 00126 00127 #if defined(XALAN_NO_STD_NAMESPACE) 00128 typedef deque<value_type> NamespaceCollectionType; 00129 #else 00130 typedef std::deque<value_type> NamespaceCollectionType; 00131 #endif 00132 00133 typedef const XalanDOMString& (value_type::*MemberFunctionType)() const; 00134 00135 typedef NamespaceCollectionType::iterator iterator; 00136 typedef NamespaceCollectionType::reverse_iterator reverse_iterator; 00137 typedef NamespaceCollectionType::const_iterator const_iterator; 00138 typedef NamespaceCollectionType::const_reverse_iterator const_reverse_iterator; 00139 00140 XalanNamespacesStackEntry(); 00141 00142 XalanNamespacesStackEntry(const XalanNamespacesStackEntry& theSource); 00143 00144 ~XalanNamespacesStackEntry(); 00145 00146 XalanNamespacesStackEntry& 00147 operator=(const XalanNamespacesStackEntry& theRHS); 00148 00149 void 00150 addDeclaration( 00151 const XalanDOMString& thePrefix, 00152 const XalanDOMChar* theNamespaceURI, 00153 XalanDOMString::size_type theLength); 00154 00161 const XalanDOMString* 00162 getNamespaceForPrefix(const XalanDOMString& thePrefix) const 00163 { 00164 return findEntry(thePrefix, &XalanNamespace::getPrefix, &XalanNamespace::getURI); 00165 } 00166 00173 const XalanDOMString* 00174 getPrefixForNamespace(const XalanDOMString& theURI) const 00175 { 00176 return findEntry(theURI, &XalanNamespace::getURI, &XalanNamespace::getPrefix); 00177 } 00178 00179 bool 00180 isPrefixPresent(const XalanDOMString& thePrefix) const 00181 { 00182 return getNamespaceForPrefix(thePrefix) == 0 ? false : true; 00183 } 00184 00185 iterator 00186 begin() 00187 { 00188 return m_namespaces.begin(); 00189 } 00190 00191 const_iterator 00192 begin() const 00193 { 00194 return m_namespaces.begin(); 00195 } 00196 00197 iterator 00198 end() 00199 { 00200 return m_position; 00201 } 00202 00203 const_iterator 00204 end() const 00205 { 00206 return const_iterator(m_position); 00207 } 00208 00209 reverse_iterator 00210 rbegin() 00211 { 00212 return reverse_iterator(end()); 00213 } 00214 00215 const_reverse_iterator 00216 rbegin() const 00217 { 00218 return const_reverse_iterator(end()); 00219 } 00220 00221 reverse_iterator 00222 rend() 00223 { 00224 return reverse_iterator(begin()); 00225 } 00226 00227 const_reverse_iterator 00228 rend() const 00229 { 00230 return const_reverse_iterator(begin()); 00231 } 00232 00233 void 00234 clear(); 00235 00236 void 00237 reset() 00238 { 00239 m_position = m_namespaces.begin(); 00240 } 00241 00242 void 00243 swap(XalanNamespacesStackEntry& theOther); 00244 00245 private: 00246 00247 const XalanDOMString* 00248 findEntry( 00249 const XalanDOMString& theKey, 00250 MemberFunctionType theKeyFunction, 00251 MemberFunctionType theValueFunction) const; 00252 00253 NamespaceCollectionType m_namespaces; 00254 00255 iterator m_position; 00256 }; 00257 00258 00259 typedef XalanNamespacesStackEntry value_type; 00260 00261 #if defined(XALAN_NO_STD_NAMESPACE) 00262 typedef deque<value_type> NamespacesStackType; 00263 #if defined(XALAN_USE_DEQUE_FOR_VECTOR_BOOL) 00264 typedef deque<bool> BoolVectorType; 00265 #else 00266 typedef vector<bool> BoolVectorType; 00267 #endif 00268 #else 00269 typedef std::deque<value_type> NamespacesStackType; 00270 #if defined(XALAN_USE_DEQUE_FOR_VECTOR_BOOL) 00271 typedef std::deque<bool> BoolVectorType; 00272 #else 00273 typedef std::vector<bool> BoolVectorType; 00274 #endif 00275 #endif 00276 00277 typedef NamespacesStackType::iterator iterator; 00278 typedef NamespacesStackType::reverse_iterator reverse_iterator; 00279 typedef NamespacesStackType::const_iterator const_iterator; 00280 typedef NamespacesStackType::const_reverse_iterator const_reverse_iterator; 00281 00282 typedef NamespacesStackType::size_type size_type; 00283 00284 typedef const XalanDOMString* (value_type::*MemberFunctionType)(const XalanDOMString&) const; 00285 00286 00287 explicit 00288 XalanNamespacesStack(); 00289 00290 ~XalanNamespacesStack(); 00291 00292 void 00293 addDeclaration( 00294 const XalanDOMString& thePrefix, 00295 const XalanDOMString& theURI) 00296 { 00297 addDeclaration( 00298 thePrefix, 00299 theURI.c_str(), 00300 theURI.length()); 00301 } 00302 00303 void 00304 addDeclaration( 00305 const XalanDOMString& thePrefix, 00306 const XalanDOMChar* theURI) 00307 { 00308 addDeclaration( 00309 thePrefix, 00310 theURI, 00311 length(theURI)); 00312 } 00313 00314 void 00315 addDeclaration( 00316 const XalanDOMString& thePrefix, 00317 const XalanDOMChar* theURI, 00318 XalanDOMString::size_type theLength); 00319 00320 void 00321 pushContext(); 00322 00323 void 00324 popContext(); 00325 00326 const XalanDOMString* 00327 getNamespaceForPrefix(const XalanDOMString& thePrefix) const; 00328 00329 const XalanDOMString* 00330 getPrefixForNamespace(const XalanDOMString& theURI) const 00331 { 00332 return findEntry(theURI, &value_type::getPrefixForNamespace); 00333 } 00334 00339 bool 00340 prefixIsPresentLocal(const XalanDOMString& thePrefix); 00341 00342 void 00343 clear(); 00344 00345 iterator 00346 begin() 00347 { 00348 return m_stackBegin + 1; 00349 } 00350 00351 const_iterator 00352 begin() const 00353 { 00354 return const_iterator(m_stackBegin + 1); 00355 } 00356 00357 iterator 00358 end() 00359 { 00360 return m_stackPosition + 1; 00361 } 00362 00363 const_iterator 00364 end() const 00365 { 00366 return const_iterator(m_stackPosition + 1); 00367 } 00368 00369 reverse_iterator 00370 rbegin() 00371 { 00372 return reverse_iterator(end()); 00373 } 00374 00375 const_reverse_iterator 00376 rbegin() const 00377 { 00378 return const_reverse_iterator(end()); 00379 } 00380 00381 reverse_iterator 00382 rend() 00383 { 00384 return reverse_iterator(begin()); 00385 } 00386 00387 const_reverse_iterator 00388 rend() const 00389 { 00390 return const_reverse_iterator(begin()); 00391 } 00392 00393 size_type 00394 size() const 00395 { 00396 return m_resultNamespaces.size() - 1; 00397 } 00398 00399 bool 00400 empty() const 00401 { 00402 return NamespacesStackType::const_iterator(m_stackPosition) == m_resultNamespaces.begin() ? true : false; 00403 } 00404 00405 private: 00406 00407 // not implemented 00408 XalanNamespacesStack(const XalanNamespacesStack&); 00409 00410 bool 00411 operator==(const XalanNamespacesStack&) const; 00412 00413 XalanNamespacesStack& 00414 operator=(const XalanNamespacesStack&); 00415 00416 enum { eDefaultCreateNewContextStackSize = 25 }; 00417 00418 const XalanDOMString* 00419 findEntry( 00420 const XalanDOMString& theKey, 00421 MemberFunctionType theFunction) const; 00422 00426 NamespacesStackType m_resultNamespaces; 00427 00428 NamespacesStackType::iterator m_stackBegin; 00429 00430 NamespacesStackType::iterator m_stackPosition; 00431 00432 BoolVectorType m_createNewContextStack; 00433 }; 00434 00435 00436 00437 XALAN_CPP_NAMESPACE_END 00438 00439 00440 00441 #endif // XALAN_XALANNAMESPACESSTACK_HEADER_GUARD
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