1 files changed, 166 insertions, 0 deletions
diff --git a/NvBlast/tools/common/Utils.cpp b/NvBlast/tools/common/Utils.cpp
new file mode 100644
index 0000000..736159e
--- /dev/null
+++ b/NvBlast/tools/common/Utils.cpp
@@ -0,0 +1,166 @@
+#include "Utils.h"
+
+#include "Log.h"
+
+#include <string.h>
+
+#if PX_WINDOWS_FAMILY
+#include <direct.h>
+#define getCwd _getcwd
+#else
+#include <unistd.h>
+#define getCwd getcwd
+#endif
+
+///////////////////////////////////////////////////////////////////////////
+
+namespace Nv
+{
+namespace Blast
+{
+
+//////////////////////////////////////////////////////////////////////////////
+
+static void addSlashToPath(std::string& path)
+{
+	if (path[path.length() - 1] != '/' && path[path.length() - 1] != '\\')
+	{
+		path.append("/");
+	}
+}
+
+FileUtils::FileUtils()
+{
+	mSearchPaths.push_back("");
+	char currentPathTemp[FILENAME_MAX];
+	if (getCwd(currentPathTemp, sizeof(currentPathTemp)))
+	{
+		std::string currentPath(currentPathTemp);
+		addSlashToPath(currentPath);
+		addAbsolutePath(currentPath);
+		mCurrentPath = currentPath;
+	}
+}
+
+std::string FileUtils::getDirectory(const std::string& filePath)
+{
+	return filePath.substr(0, filePath.find_last_of("/\\") + 1);
+}
+
+std::string FileUtils::getFilename(const std::string& filePath, bool bWithExtension)
+{
+	size_t p0 = filePath.find_last_of("/\\") + 1;
+	if (bWithExtension)
+	{
+		return filePath.substr(p0);
+	}
+	else
+	{
+		return filePath.substr(p0, filePath.find_last_of(".") - p0);
+	}
+}
+
+std::string FileUtils::getFileExtension(const std::string& filePath)
+{
+	std::string filename = getFilename(filePath);
+	size_t p0 = filename.find_last_of(".");
+	if (p0 != std::string::npos)
+		return filePath.substr(p0);// + 1);
+	return "";
+}
+
+void FileUtils::addAbsolutePath(const std::string& path)
+{
+	if (path.empty())
+	{
+		return;
+	}
+
+	std::string newPath = path;
+	addSlashToPath(newPath);
+
+	mSearchPaths.push_back(newPath);
+}
+
+void FileUtils::addRelativePath(const std::string& relPath)
+{
+	addAbsolutePath(mCurrentPath + relPath);
+}
+
+void FileUtils::clearPaths()
+{
+	mSearchPaths.clear();
+}
+
+FILE* FileUtils::findFile(const std::string& path, bool bVerbose)
+{
+	FILE* file;
+	if (find(path, &file, NULL, bVerbose))
+	{
+		return file;
+	}
+	else
+	{
+		return NULL;
+	}
+}
+
+std::string FileUtils::findPath(const std::string& path, bool bVerbose)
+{
+	std::string fullPath;
+	if (find(path, NULL, &fullPath, bVerbose))
+	{
+		return fullPath;
+	}
+	else
+	{
+		return path;
+	}
+}
+
+bool FileUtils::find(const std::string& path, FILE** ppFile, std::string* pFullPath, bool bVerbose)
+{
+	if (mSearchPaths.empty() || path.empty())
+	{
+		if (bVerbose)
+		{
+			lout() << Log::TYPE_ERROR << "Error: Invalid search path configuration.";
+		}
+		return false;
+	}
+
+	std::string fullPath;
+
+	FILE* file = NULL;
+	const uint32_t numSearchPaths = (uint32_t)mSearchPaths.size();
+	for (uint32_t i = 0; i < numSearchPaths; ++i)
+	{
+		fullPath = mSearchPaths[i] + path;
+		fopen_s(&file, fullPath.c_str(), "rb");
+		if (file)
+		{
+			break;
+		}
+	}
+
+	if (!file)
+	{
+		if (bVerbose)
+			lout() << Log::TYPE_ERROR << std::endl << "Error: Unable to find file " << path << std::endl;
+		return false;
+	}
+
+	if (ppFile)
+		*ppFile = file;
+	else
+		fclose(file);
+
+	if (pFullPath)
+		*pFullPath = fullPath;
+
+	return true;
+}
+
+
+} // namespace Blast
+} // namespace Nv