Added UFile::copy()

git-svn-id: http://rtabmap.googlecode.com/svn/trunk/rtabmap@909 f169173b-cf89-36c8-b27e-44dbe73f0c83

utilite/include/rtabmap/utilite/UFile.h

@@ -72,6 +72,8 @@ public:
 
 	static std::string getExtension(const std::string &filePath);
 
+	static void copy(const std::string & from, const std::string & to);
+
 public:
 	/**
 	 * Create a UFile object with path initialized to an existing file .
@@ -128,6 +130,8 @@ public:
 	 */
 	std::string getExtension() {return getExtension(path_);}
 
+	void copy(const std::string & to) {copy(path_, to);}
+
 private:
 	std::string path_;
 };

utilite/src/UFile.cpp

@@ -57,13 +57,13 @@ long UFile::length(const std::string &filePath)
 
 int UFile::erase(const std::string &filePath)
 {
-    return remove(filePath.c_str());
+    return std::remove(filePath.c_str());
 }
 
 int UFile::rename(const std::string &oldFilePath,
                      const std::string &newFilePath)
 {
-    return rename(oldFilePath.c_str(), newFilePath.c_str());
+    return std::rename(oldFilePath.c_str(), newFilePath.c_str());
 }
 
 std::string UFile::getName(const std::string & filePath)
@@ -93,3 +93,11 @@ std::string UFile::getExtension(const std::string &filePath)
 	}
 	return "";
 }
+
+void UFile::copy(const std::string & from, const std::string & to)
+{
+	std::ifstream src(from.c_str());
+	std::ofstream dst(to.c_str());
+
+	dst << src.rdbuf();
+}