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76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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#include "../precomp.hpp"
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#include <vector>
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#include <opencv2/core/utils/logger.defines.hpp>
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#undef CV_LOG_STRIP_LEVEL
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#define CV_LOG_STRIP_LEVEL CV_LOG_LEVEL_VERBOSE + 1
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#include "opencv2/core/utils/logger.hpp"
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#include "opencv2/core/utils/filesystem.hpp"
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#include "opencv2/core/utils/filesystem.private.hpp"
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namespace cv { namespace samples {
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static cv::Ptr< std::vector<cv::String> > g_data_search_path;
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static cv::Ptr< std::vector<cv::String> > g_data_search_subdir;
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static std::vector<cv::String>& _getDataSearchPath()
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{
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if (g_data_search_path.empty())
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g_data_search_path.reset(new std::vector<cv::String>());
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return *(g_data_search_path.get());
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}
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static std::vector<cv::String>& _getDataSearchSubDirectory()
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{
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if (g_data_search_subdir.empty())
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{
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g_data_search_subdir.reset(new std::vector<cv::String>());
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g_data_search_subdir->push_back("samples/data");
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g_data_search_subdir->push_back("data");
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g_data_search_subdir->push_back("");
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}
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return *(g_data_search_subdir.get());
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}
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CV_EXPORTS void addSamplesDataSearchPath(const cv::String& path)
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{
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if (utils::fs::isDirectory(path))
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_getDataSearchPath().push_back(path);
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}
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CV_EXPORTS void addSamplesDataSearchSubDirectory(const cv::String& subdir)
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{
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_getDataSearchSubDirectory().push_back(subdir);
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}
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cv::String findFile(const cv::String& relative_path, bool required, bool silentMode)
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{
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#if OPENCV_HAVE_FILESYSTEM_SUPPORT
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CV_LOG_DEBUG(NULL, cv::format("cv::samples::findFile('%s', %s)", relative_path.c_str(), required ? "true" : "false"));
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cv::String result = cv::utils::findDataFile(relative_path,
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"OPENCV_SAMPLES_DATA_PATH",
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&_getDataSearchPath(),
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&_getDataSearchSubDirectory());
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if (result != relative_path && !silentMode)
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{
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CV_LOG_WARNING(NULL, "cv::samples::findFile('" << relative_path << "') => '" << result << "'");
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}
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if (result.empty() && required)
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CV_Error(cv::Error::StsError, cv::format("OpenCV samples: Can't find required data file: %s", relative_path.c_str()));
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return result;
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#else
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CV_UNUSED(relative_path);
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CV_UNUSED(required);
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CV_UNUSED(silentMode);
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CV_Error(Error::StsNotImplemented, "File system support is disabled in this OpenCV build!");
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#endif
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}
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}} // namespace
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