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(DIRECTORY_ENUMERATOR_HEADER_GUARD_1357924680) 00058 #define DIRECTORY_ENUMERATOR_HEADER_GUARD_1357924680 00059 00060 00061 00062 // Base header file. Must be first. 00063 #include <xalanc/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 <xalanc/PlatformSupport/DOMStringHelper.hpp> 00081 #include <xalanc/PlatformSupport/XalanUnicode.hpp> 00082 00083 00084 00085 XALAN_CPP_NAMESPACE_BEGIN 00086 00087 00088 00089 #if defined(_MSC_VER) 00090 00091 struct FindFileStruct : public _wfinddata_t 00092 { 00093 00094 enum eAttributes 00095 { 00096 eAttributeArchive = _A_ARCH, 00097 eAttributeDirectory = _A_SUBDIR, 00098 eAttributeHidden = _A_HIDDEN, 00099 eAttributeNormal = _A_NORMAL, 00100 eReadOnly = _A_RDONLY, 00101 eSystem = _A_SYSTEM 00102 }; 00103 00104 public: 00105 00111 const XalanDOMChar* 00112 getName() const 00113 { 00114 return name; 00115 } 00116 00122 bool 00123 isDirectory() const 00124 { 00125 return attrib & eAttributeDirectory ? true : false; 00126 } 00127 00128 bool 00129 isSelfOrParent() const 00130 { 00131 if (isDirectory() == false) 00132 { 00133 return false; 00134 } 00135 else if (name[0] == '.') 00136 { 00137 if (name[1] == '\0') 00138 { 00139 return true; 00140 } 00141 else if (name[1] == '.' && 00142 name[2] == '\0') 00143 { 00144 return true; 00145 } 00146 else 00147 { 00148 return false; 00149 } 00150 } 00151 else 00152 { 00153 return false; 00154 } 00155 } 00156 }; 00157 00158 #else 00159 00160 struct FindFileStruct : public dirent 00161 { 00162 public: 00163 00169 const char* getName() const 00170 { 00171 return d_name; 00172 } 00173 00179 bool isDirectory() const 00180 { 00181 #if defined(AIX) || defined(HPUX) || defined(SOLARIS) || defined(OS390) || defined(OS400) || defined(TRU64) 00182 return false; 00183 #else 00184 if (d_type == DT_DIR || d_type == DT_UNKNOWN) 00185 { 00186 return true; 00187 } 00188 else 00189 { 00190 return false; 00191 } 00192 #endif 00193 } 00194 00195 bool 00196 isSelfOrParent() const 00197 { 00198 #if defined(AIX) || defined(HPUX) || defined(SOLARIS) || defined(OS390) || defined(OS400) || defined(TRU64) 00199 return false; 00200 #else 00201 if (isDirectory() == false) 00202 { 00203 return false; 00204 } 00205 else if (d_name[0] == '.') 00206 { 00207 if (d_name[1] == '\0') 00208 { 00209 return true; 00210 } 00211 else if (d_name[1] == '.' && 00212 d_name[2] == '\0') 00213 { 00214 return true; 00215 } 00216 else 00217 { 00218 return false; 00219 } 00220 } 00221 else 00222 { 00223 return false; 00224 } 00225 #endif 00226 } 00227 }; 00228 00229 #endif 00230 00231 00232 00233 #if defined(XALAN_NO_STD_NAMESPACE) 00234 struct DirectoryFilterPredicate : public unary_function<FindFileStruct, bool> 00235 #else 00236 struct DirectoryFilterPredicate : public std::unary_function<FindFileStruct, bool> 00237 #endif 00238 { 00239 result_type 00240 operator()(const argument_type& theFindData) const 00241 { 00242 return theFindData.isDirectory(); 00243 } 00244 }; 00245 00246 00247 00248 #if defined(XALAN_NO_STD_NAMESPACE) 00249 struct FilesOnlyFilterPredicate : public unary_function<FindFileStruct, bool> 00250 #else 00251 struct FilesOnlyFilterPredicate : public std::unary_function<FindFileStruct, bool> 00252 #endif 00253 { 00254 result_type 00255 operator()(const argument_type& theFindData) const 00256 { 00257 DirectoryFilterPredicate theDirectoryPredicate; 00258 00259 return !theDirectoryPredicate(theFindData); 00260 00261 } 00262 }; 00263 00264 00265 00266 template<class OutputIteratorType, 00267 class FilterPredicateType, 00268 class StringType, 00269 class StringConversionFunction> 00270 void 00271 EnumerateDirectory( 00272 const StringType& theFullSearchSpec, 00273 OutputIteratorType theOutputIterator, 00274 FilterPredicateType theFilterPredicate, 00275 StringConversionFunction theConversionFunction, 00276 #if defined(XALAN_TEMPLATE_FUNCTION_NO_DEFAULT_PARAMETERS) 00277 bool fIncludeSelfAndParent) 00278 #else 00279 bool fIncludeSelfAndParent = false) 00280 #endif 00281 { 00282 #if defined(_MSC_VER) 00283 FindFileStruct theFindData; 00284 00285 long theSearchHandle = _wfindfirst(const_cast<wchar_t*>(theConversionFunction(theFullSearchSpec)), 00286 &theFindData); 00287 00288 if (theSearchHandle != -1) 00289 { 00290 try 00291 { 00292 do 00293 { 00294 if ((fIncludeSelfAndParent == true || theFindData.isSelfOrParent() == false) && 00295 theFilterPredicate(theFindData) == true) 00296 { 00297 *theOutputIterator = StringType(theFindData.getName()); 00298 } 00299 } 00300 while(_wfindnext(theSearchHandle, 00301 &theFindData) == 0); 00302 } 00303 catch(...) 00304 { 00305 _findclose(theSearchHandle); 00306 00307 throw; 00308 } 00309 00310 _findclose(theSearchHandle); 00311 } 00312 00313 00314 #elif defined(LINUX) 00315 00316 CharVectorType theTargetVector; 00317 00318 TranscodeToLocalCodePage(theFullSearchSpec, theTargetVector, false); 00319 00320 const CharVectorType::size_type theSize = theTargetVector.size(); 00321 00322 if (theSize > 0) 00323 { 00324 if (theTargetVector.back() == '*') 00325 { 00326 theTargetVector.pop_back(); 00327 00328 if (theSize == 1) 00329 { 00330 theTargetVector.push_back('.'); 00331 } 00332 } 00333 00334 theTargetVector.push_back('\0'); 00335 00336 const char* const theSpec = c_str(theTargetVector); 00337 assert(theSpec != 0); 00338 00339 DIR* const theDirectory = opendir(theSpec); 00340 00341 if (theDirectory != 0) 00342 { 00343 try 00344 { 00345 const FindFileStruct* theEntry = 00346 (FindFileStruct*)readdir(theDirectory); 00347 00348 while(theEntry != 0) 00349 { 00350 if ((fIncludeSelfAndParent == true || theEntry->isSelfOrParent() == false) && 00351 theFilterPredicate(*theEntry) == true) 00352 { 00353 *theOutputIterator = StringType(theEntry->getName()); 00354 } 00355 00356 theEntry = (FindFileStruct*)readdir(theDirectory); 00357 } 00358 } 00359 catch(...) 00360 { 00361 closedir(theDirectory); 00362 00363 throw; 00364 } 00365 00366 closedir(theDirectory); 00367 } 00368 } 00369 #else 00370 // Do nothing for now... 00371 // Unsupported platform!!! 00372 #endif 00373 } 00374 00375 00376 00377 template<class OutputIteratorType, 00378 class FilterPredicateType, 00379 class StringType, 00380 class StringConversionFunction> 00381 void 00382 EnumerateDirectory( 00383 const StringType& theDirectory, 00384 const StringType& theSearchSpec, 00385 OutputIteratorType theOutputIterator, 00386 FilterPredicateType theFilterPredicate, 00387 StringConversionFunction theConversionFunction, 00388 #if defined(XALAN_TEMPLATE_FUNCTION_NO_DEFAULT_PARAMETERS) 00389 bool fIncludeSelfAndParent) 00390 #else 00391 bool fIncludeSelfAndParent = false) 00392 #endif 00393 { 00394 StringType theFullSearchSpec(theDirectory); 00395 00396 theFullSearchSpec += theSearchSpec; 00397 00398 EnumerateDirectory(theFullSearchSpec, theOutputIterator, theFilterPredicate, theConversionFunction, fIncludeSelfAndParent); 00399 } 00400 00401 00402 00403 #if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS) 00404 template<class CollectionType, class StringType> 00405 struct DirectoryEnumeratorFunctor 00406 { 00407 CollectionType 00408 operator()(const StringType& theDirectory) const 00409 { 00410 CollectionType theCollection; 00411 00412 operator()(theDirectory, 00413 theCollection); 00414 00415 return theCollection; 00416 } 00417 00418 void 00419 operator()( 00420 const StringType&, 00421 const CollectionType&) const 00422 { 00423 } 00424 }; 00425 #else 00426 template<class CollectionType, 00427 class StringType = XalanDOMString, 00428 class FilterPredicateType = FilesOnlyFilterPredicate, 00429 class StringConversionFunction = c_wstr_functor> 00430 #if defined(XALAN_NO_STD_NAMESPACE) 00431 struct DirectoryEnumeratorFunctor : public unary_function<StringType, CollectionType> 00432 #else 00433 struct DirectoryEnumeratorFunctor : public std::unary_function<StringType, CollectionType> 00434 #endif 00435 { 00436 #if defined(XALAN_NO_STD_NAMESPACE) 00437 typedef unary_function<StringType, CollectionType> BaseClassType; 00438 #else 00439 typedef std::unary_function<StringType, CollectionType> BaseClassType; 00440 #endif 00441 00442 typedef typename BaseClassType::result_type result_type; 00443 typedef typename BaseClassType::argument_type argument_type; 00444 00445 explicit 00446 DirectoryEnumeratorFunctor(bool fIncludeSelfAndParent = false) : 00447 m_includeSelfAndParent(fIncludeSelfAndParent) 00448 { 00449 } 00450 00451 void 00452 operator()( 00453 const argument_type& theFullSearchSpec, 00454 CollectionType& theCollection) const 00455 { 00456 XALAN_USING_STD(back_inserter) 00457 00458 EnumerateDirectory( 00459 theFullSearchSpec, 00460 XALAN_STD_QUALIFIER back_inserter(theCollection), 00461 m_filterPredicate, 00462 m_conversionFunction, 00463 m_includeSelfAndParent); 00464 } 00465 00466 result_type 00467 operator()(const argument_type& theFullSearchSpec) const 00468 { 00469 result_type theCollection; 00470 00471 operator()( 00472 theFullSearchSpec, 00473 theCollection); 00474 00475 return theCollection; 00476 } 00477 00478 void 00479 operator()( 00480 const argument_type& theDirectory, 00481 const argument_type& theSearchSpec, 00482 CollectionType& theCollection) const 00483 { 00484 EnumerateDirectory( 00485 theDirectory, 00486 theSearchSpec, 00487 XALAN_STD_QUALIFIER back_inserter(theCollection), 00488 m_filterPredicate, 00489 m_conversionFunction, 00490 m_includeSelfAndParent); 00491 } 00492 00493 result_type 00494 operator()( 00495 const argument_type& theDirectory, 00496 const argument_type& theSearchSpec) const 00497 { 00498 result_type theCollection; 00499 00500 operator()( 00501 theDirectory, 00502 theSearchSpec, 00503 theCollection); 00504 00505 return theCollection; 00506 } 00507 00508 private: 00509 00510 FilterPredicateType m_filterPredicate; 00511 00512 StringConversionFunction m_conversionFunction; 00513 00514 const bool m_includeSelfAndParent; 00515 }; 00516 #endif 00517 00518 00519 00520 XALAN_CPP_NAMESPACE_END 00521 00522 00523 00524 #endif // DIRECTORY_ENUMERATOR_HEADER_GUARD_1357924680
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