diff --git a/modules/core/include/opencv2/core/core.hpp b/modules/core/include/opencv2/core/core.hpp index 7caf7538c..1bffbaaf1 100644 --- a/modules/core/include/opencv2/core/core.hpp +++ b/modules/core/include/opencv2/core/core.hpp @@ -225,6 +225,8 @@ CV_EXPORTS ErrorCallback redirectError( ErrorCallback errCallback, #define CV_DbgAssert(expr) #endif +CV_EXPORTS void glob(String pattern, std::vector& result, bool recursive = false); + CV_EXPORTS void setNumThreads(int nthreads); CV_EXPORTS int getNumThreads(); CV_EXPORTS int getThreadNum(); diff --git a/modules/core/src/glob.cpp b/modules/core/src/glob.cpp new file mode 100644 index 000000000..368f304ef --- /dev/null +++ b/modules/core/src/glob.cpp @@ -0,0 +1,244 @@ +/*M/////////////////////////////////////////////////////////////////////////////////////// +// +// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. +// +// By downloading, copying, installing or using the software you agree to this license. +// If you do not agree to this license, do not download, install, +// copy or use the software. +// +// +// License Agreement +// For Open Source Computer Vision Library +// +// Copyright (C) 2000-2008, Intel Corporation, all rights reserved. +// Copyright (C) 2008-2013, Willow Garage Inc., all rights reserved. +// Third party copyrights are property of their respective owners. +// +// Redistribution and use in source and binary forms, with or without modification, +// are permitted provided that the following conditions are met: +// +// * Redistribution's of source code must retain the above copyright notice, +// this list of conditions and the following disclaimer. +// +// * Redistribution's in binary form must reproduce the above copyright notice, +// this list of conditions and the following disclaimer in the documentation +// and / or other materials provided with the distribution. +// +// * The name of the copyright holders may not be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// This software is provided by the copyright holders and contributors "as is" and +// any express or implied warranties, including, but not limited to, the implied +// warranties of merchantability and fitness for a particular purpose are disclaimed. +// In no event shall the Intel Corporation or contributors be liable for any direct, +// indirect, incidental, special, exemplary, or consequential damages +// (including, but not limited to, procurement of substitute goods or services; +// loss of use, data, or profits; or business interruption) however caused +// and on any theory of liability, whether in contract, strict liability, +// or tort (including negligence or otherwise) arising in any way out of +// the use of this software, even if advised of the possibility of such damage. +// +//M*/ + +#include "precomp.hpp" + +#if defined WIN32 || defined _WIN32 || defined WINCE +# include +const char dir_separators[] = "/\\"; +const char native_separator = '\\'; + +namespace +{ + struct dirent + { + const char* d_name; + }; + + struct DIR + { + WIN32_FIND_DATA data; + HANDLE handle; + dirent ent; + }; + + DIR* opendir(const char* path) + { + DIR* dir = new DIR; + dir->ent.d_name = 0; + dir->handle = ::FindFirstFileA((cv::String(path) + "\\*").c_str(), &dir->data); + if(dir->handle == INVALID_HANDLE_VALUE) + { + /*closedir will do all cleanup*/ + return 0; + } + return dir; + } + + dirent* readdir(DIR* dir) + { + if (dir->ent.d_name != 0) + { + if (::FindNextFile(dir->handle, &dir->data) != TRUE) + return 0; + } + dir->ent.d_name = dir->data.cFileName; + return &dir->ent; + } + + void closedir(DIR* dir) + { + ::FindClose(dir->handle); + delete dir; + } + + +} +#else +# include +# include +const char dir_separators[] = "/"; +const char native_separator = '/'; +#endif + +static bool isDir(const cv::String& path, DIR* dir) +{ +#if defined WIN32 || defined _WIN32 || defined WINCE + DWORD attributes; + if (dir) + attributes = dir->data.dwFileAttributes; + else + attributes = ::GetFileAttributes(path.c_str()); + + return (attributes != INVALID_FILE_ATTRIBUTES) && ((attributes & FILE_ATTRIBUTE_DIRECTORY) != 0); +#else + (void)dir; + struct stat stat_buf; + if (0 != stat( path.c_str(), &stat_buf)) + return false; + int is_dir = S_ISDIR( stat_buf.st_mode); + return is_dir != 0; +#endif +} + +static bool wildcmp(const char *string, const char *wild) +{ + // Based on wildcmp written by Jack Handy - jakkhandy@hotmail.com + const char *cp = 0, *mp = 0; + + while ((*string) && (*wild != '*')) + { + if ((*wild != *string) && (*wild != '?')) + { + return false; + } + + wild++; + string++; + } + + while (*string) + { + if (*wild == '*') + { + if (!*++wild) + { + return true; + } + + mp = wild; + cp = string + 1; + } + else if ((*wild == *string) || (*wild == '?')) + { + wild++; + string++; + } + else + { + wild = mp; + string = cp++; + } + } + + while (*wild == '*') + { + wild++; + } + + return *wild == 0; +} + +static void glob_rec(const cv::String& directory, const cv::String& wildchart, std::vector& result, bool recursive) +{ + DIR *dir; + struct dirent *ent; + + if ((dir = opendir (directory.c_str())) != 0) + { + /* find all the files and directories within directory */ + try + { + while ((ent = readdir (dir)) != 0) + { + const char* name = ent->d_name; + if((name[0] == 0) || (name[0] == '.' && name[1] == 0) || (name[0] == '.' && name[1] == '.' && name[2] == 0)) + continue; + + cv::String path = directory + native_separator + name; + + if (isDir(path, dir)) + { + if (recursive) + glob_rec(path, wildchart, result, recursive); + } + else + { + if (wildchart.empty() || wildcmp(name, wildchart.c_str())) + result.push_back(path); + } + } + } + catch (...) + { + closedir(dir); + throw; + } + closedir(dir); + } + else CV_Error(CV_StsObjectNotFound, cv::format("could not open directory: %s", directory.c_str())); +} + +void cv::glob(String pattern, std::vector& result, bool recursive) +{ + result.clear(); + String path, wildchart; + + if (isDir(pattern, 0)) + { + if(strchr(dir_separators, pattern[pattern.size() - 1]) != 0) + { + path = pattern.substr(0, pattern.size() - 1); + } + else + { + path = pattern; + } + } + else + { + size_t pos = pattern.find_last_of(dir_separators); + if (pos == String::npos) + { + wildchart = pattern; + path = "."; + } + else + { + path = pattern.substr(0, pos); + wildchart = pattern.substr(pos + 1); + } + } + + glob_rec(path, wildchart, result, recursive); + std::sort(result.begin(), result.end()); +} diff --git a/modules/core/test/test_io.cpp b/modules/core/test/test_io.cpp index bf976cf54..3526e8376 100644 --- a/modules/core/test/test_io.cpp +++ b/modules/core/test/test_io.cpp @@ -454,6 +454,23 @@ protected: TEST(Core_InputOutput, huge) { CV_BigMatrixIOTest test; test.safe_run(); } */ +TEST(Core_globbing, accuracy) +{ + std::string patternLena = cvtest::TS::ptr()->get_data_path() + "lena*.*"; + std::string patternLenaPng = cvtest::TS::ptr()->get_data_path() + "lena.png"; + + std::vector lenas, pngLenas; + cv::glob(patternLena, lenas, true); + cv::glob(patternLenaPng, pngLenas, true); + + ASSERT_GT(lenas.size(), pngLenas.size()); + + for (size_t i = 0; i < pngLenas.size(); ++i) + { + ASSERT_NE(std::find(lenas.begin(), lenas.end(), pngLenas[i]), lenas.end()); + } +} + TEST(Core_InputOutput, FileStorage) { std::string file = cv::tempfile(".xml");