00001 /* 00002 * The Apache Software License, Version 1.1 00003 * 00004 * 00005 * Copyright (c) 1999 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(DIRECTORY_ENUMERATOR_HEADER_GUARD_1357924680) 00058 #define DIRECTORY_ENUMERATOR_HEADER_GUARD_1357924680 00059 00060 00061 00062 // Base header file. Must be first. 00063 #include <PlatformSupport/PlatformSupportDefinitions.hpp> 00064 00065 00066 00067 #if defined(_MSC_VER) 00068 #include <io.h> 00069 #else 00070 #include <dirent.h> 00071 #endif 00072 00073 00074 00075 #include <functional> 00076 #include <iterator> 00077 00078 00079 00080 #include <PlatformSupport/DOMStringHelper.hpp> 00081 #include <PlatformSupport/XalanUnicode.hpp> 00082 00083 00084 00085 #if defined(_MSC_VER) 00086 00087 class FindFileStruct : public _wfinddata_t 00088 { 00089 00090 enum eAttributes 00091 { 00092 eAttributeArchive = _A_ARCH, 00093 eAttributeDirectory = _A_SUBDIR, 00094 eAttributeHidden = _A_HIDDEN, 00095 eAttributeNormal = _A_NORMAL, 00096 eReadOnly = _A_RDONLY, 00097 eSystem = _A_SYSTEM 00098 }; 00099 00100 public: 00101 00107 const XalanDOMChar* 00108 getName() const 00109 { 00110 return name; 00111 } 00112 00118 bool 00119 isDirectory() const 00120 { 00121 return attrib & eAttributeDirectory ? true : false; 00122 } 00123 00124 bool 00125 isSelfOrParent() const 00126 { 00127 if (isDirectory() == false) 00128 { 00129 return false; 00130 } 00131 else if (name[0] == XalanUnicode::charFullStop) 00132 { 00133 if (name[1] == 0) 00134 { 00135 return true; 00136 } 00137 else if (name[1] == XalanUnicode::charFullStop && 00138 name[2] == 0) 00139 { 00140 return true; 00141 } 00142 else 00143 { 00144 return false; 00145 } 00146 } 00147 else 00148 { 00149 return false; 00150 } 00151 } 00152 }; 00153 00154 #else 00155 00156 class FindFileStruct : public dirent 00157 { 00158 public: 00159 00165 const char* getName() const 00166 { 00167 return d_name; 00168 } 00169 00175 bool isDirectory() const 00176 { 00177 #if defined(AIX) || defined(HPUX) || defined(SOLARIS) 00178 return false; 00179 #else 00180 return d_type == DT_DIR; 00181 #endif 00182 } 00183 }; 00184 00185 #endif 00186 00187 00188 00189 #if defined(XALAN_NO_NAMESPACES) 00190 struct DirectoryFilterPredicate : public unary_function<FindFileStruct, bool> 00191 #else 00192 struct DirectoryFilterPredicate : public std::unary_function<FindFileStruct, bool> 00193 #endif 00194 { 00195 result_type 00196 operator()(const argument_type& theFindData) const 00197 { 00198 return theFindData.isDirectory(); 00199 } 00200 }; 00201 00202 00203 00204 #if defined(XALAN_NO_NAMESPACES) 00205 struct FilesOnlyFilterPredicate : public unary_function<FindFileStruct, bool> 00206 #else 00207 struct FilesOnlyFilterPredicate : public std::unary_function<FindFileStruct, bool> 00208 #endif 00209 { 00210 result_type 00211 operator()(const argument_type& theFindData) const 00212 { 00213 DirectoryFilterPredicate theDirectoryPredicate; 00214 00215 return !theDirectoryPredicate(theFindData); 00216 00217 } 00218 }; 00219 00220 00221 00222 template<class OutputIteratorType, 00223 class FilterPredicateType, 00224 class StringType, 00225 class StringConversionFunction> 00226 void 00227 EnumerateDirectory( 00228 const StringType& theFullSearchSpec, 00229 OutputIteratorType theOutputIterator, 00230 FilterPredicateType theFilterPredicate, 00231 StringConversionFunction theConversionFunction, 00232 #if defined(XALAN_TEMPLATE_FUNCTION_NO_DEFAULT_PARAMETERS) 00233 bool fIncludeSelfAndParent) 00234 #else 00235 bool fIncludeSelfAndParent = false) 00236 #endif 00237 { 00238 #if defined(_MSC_VER) 00239 FindFileStruct theFindData; 00240 00241 long theSearchHandle = _wfindfirst(const_cast<wchar_t*>(theConversionFunction(theFullSearchSpec)), 00242 &theFindData); 00243 00244 if (theSearchHandle != -1) 00245 { 00246 try 00247 { 00248 do 00249 { 00250 if ((fIncludeSelfAndParent == true || theFindData.isSelfOrParent() == false) && 00251 theFilterPredicate(theFindData) == true) 00252 { 00253 *theOutputIterator = StringType(theFindData.getName()); 00254 } 00255 } 00256 while(_wfindnext(theSearchHandle, 00257 &theFindData) == 0); 00258 } 00259 catch(...) 00260 { 00261 _findclose(theSearchHandle); 00262 00263 throw; 00264 } 00265 00266 _findclose(theSearchHandle); 00267 } 00268 00269 00270 #else 00271 // Do nothing for now... 00272 // Unsupported platform!!! 00273 #endif 00274 } 00275 00276 00277 00278 template<class OutputIteratorType, 00279 class FilterPredicateType, 00280 class StringType, 00281 class StringConversionFunction> 00282 void 00283 EnumerateDirectory( 00284 const StringType& theDirectory, 00285 const StringType& theSearchSpec, 00286 OutputIteratorType theOutputIterator, 00287 FilterPredicateType theFilterPredicate, 00288 StringConversionFunction theConversionFunction, 00289 #if defined(XALAN_TEMPLATE_FUNCTION_NO_DEFAULT_PARAMETERS) 00290 bool fIncludeSelfAndParent) 00291 #else 00292 bool fIncludeSelfAndParent = false) 00293 #endif 00294 { 00295 StringType theFullSearchSpec(theDirectory); 00296 00297 theFullSearchSpec += theSearchSpec; 00298 00299 EnumerateDirectory(theFullSearchSpec, theOutputIterator, theFilterPredicate, theConversionFunction, fIncludeSelfAndParent); 00300 } 00301 00302 00303 00304 #if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS) 00305 template<class CollectionType, class StringType> 00306 struct DirectoryEnumeratorFunctor 00307 { 00308 CollectionType 00309 operator()(const StringType& theDirectory) const 00310 { 00311 CollectionType theCollection; 00312 00313 operator()(theDirectory, 00314 theCollection); 00315 00316 return theCollection; 00317 } 00318 00319 void 00320 operator()( 00321 const StringType&, 00322 const CollectionType&) const 00323 { 00324 } 00325 }; 00326 #else 00327 template<class CollectionType, 00328 class StringType = XalanDOMString, 00329 class FilterPredicateType = FilesOnlyFilterPredicate, 00330 class StringConversionFunction = c_wstr_functor> 00331 #if defined(XALAN_NO_NAMESPACES) 00332 struct DirectoryEnumeratorFunctor : public unary_function<StringType, CollectionType> 00333 #else 00334 struct DirectoryEnumeratorFunctor : public std::unary_function<StringType, CollectionType> 00335 #endif 00336 { 00337 #if defined(XALAN_NO_NAMESPACES) 00338 typedef unary_function<StringType, CollectionType> BaseClassType; 00339 #else 00340 typedef std::unary_function<StringType, CollectionType> BaseClassType; 00341 #endif 00342 00343 typedef typename BaseClassType::result_type result_type; 00344 typedef typename BaseClassType::argument_type argument_type; 00345 00346 explicit 00347 DirectoryEnumeratorFunctor(bool fIncludeSelfAndParent = false) : 00348 m_includeSelfAndParent(fIncludeSelfAndParent) 00349 { 00350 } 00351 00352 void 00353 operator()( 00354 const argument_type& theFullSearchSpec, 00355 CollectionType& theCollection) const 00356 { 00357 #if !defined(XALAN_NO_NAMESPACES) 00358 using std::back_inserter; 00359 #endif 00360 00361 EnumerateDirectory(theFullSearchSpec, 00362 back_inserter(theCollection), 00363 m_filterPredicate, 00364 m_conversionFunction, 00365 m_includeSelfAndParent); 00366 } 00367 00368 result_type 00369 operator()(const argument_type& theFullSearchSpec) const 00370 { 00371 result_type theCollection; 00372 00373 operator()( 00374 theFullSearchSpec, 00375 theCollection); 00376 00377 return theCollection; 00378 } 00379 00380 void 00381 operator()( 00382 const argument_type& theDirectory, 00383 const argument_type& theSearchSpec, 00384 CollectionType& theCollection) const 00385 { 00386 #if !defined(XALAN_NO_NAMESPACES) 00387 using std::back_inserter; 00388 #endif 00389 00390 EnumerateDirectory( 00391 theDirectory, 00392 theSearchSpec, 00393 back_inserter(theCollection), 00394 m_filterPredicate, 00395 m_conversionFunction, 00396 m_includeSelfAndParent); 00397 } 00398 00399 result_type 00400 operator()( 00401 const argument_type& theDirectory, 00402 const argument_type& theSearchSpec) const 00403 { 00404 result_type theCollection; 00405 00406 operator()( 00407 theDirectory, 00408 theSearchSpec, 00409 theCollection); 00410 00411 return theCollection; 00412 } 00413 00414 private: 00415 00416 FilterPredicateType m_filterPredicate; 00417 00418 StringConversionFunction m_conversionFunction; 00419 00420 const bool m_includeSelfAndParent; 00421 }; 00422 #endif 00423 00424 00425 #endif // DIRECTORY_ENUMERATOR_HEADER_GUARD_1357924680
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