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core: add utils::findDataFile() / samples::findFile()

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This commit is contained in:
Alexander Alekhin
2017-03-12 04:49:07 +00:00
parent e5afa62c3d
commit 2fa9bd221d
10 changed files with 715 additions and 5 deletions
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modules/core/src/utils/filesystem.cpp
+20 -5
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@@ -85,6 +85,20 @@ cv::String join(const cv::String& base, const cv::String& path)
#if OPENCV_HAVE_FILESYSTEM_SUPPORT
cv::String canonical(const cv::String& path)
{
#ifdef _WIN32
const char* result = _fullpath(NULL, path.c_str(), 0);
#else
const char* result = realpath(path.c_str(), NULL);
#endif
if (result)
return cv::String(result);
// no error handling, just return input
return path;
}
bool exists(const cv::String& path)
{
CV_INSTRUMENT_REGION();
@@ -543,11 +557,12 @@ cv::String getCacheDirectory(const char* sub_directory_name, const char* configu
#else
#define NOT_IMPLEMENTED CV_Error(Error::StsNotImplemented, "");
CV_EXPORTS bool exists(const cv::String& /*path*/) { NOT_IMPLEMENTED }
CV_EXPORTS void remove_all(const cv::String& /*path*/) { NOT_IMPLEMENTED }
CV_EXPORTS bool createDirectory(const cv::String& /*path*/) { NOT_IMPLEMENTED }
CV_EXPORTS bool createDirectories(const cv::String& /*path*/) { NOT_IMPLEMENTED }
CV_EXPORTS cv::String getCacheDirectory(const char* /*sub_directory_name*/, const char* /*configuration_name = NULL*/) { NOT_IMPLEMENTED }
cv::String canonical(const cv::String& /*path*/) { NOT_IMPLEMENTED }
bool exists(const cv::String& /*path*/) { NOT_IMPLEMENTED }
void remove_all(const cv::String& /*path*/) { NOT_IMPLEMENTED }
bool createDirectory(const cv::String& /*path*/) { NOT_IMPLEMENTED }
bool createDirectories(const cv::String& /*path*/) { NOT_IMPLEMENTED }
cv::String getCacheDirectory(const char* /*sub_directory_name*/, const char* /*configuration_name = NULL*/) { NOT_IMPLEMENTED }
#undef NOT_IMPLEMENTED
#endif // OPENCV_HAVE_FILESYSTEM_SUPPORT