Merge 79f476d into 4256a57

include/ignition/common/Filesystem.hh

@@ -57,6 +57,11 @@ namespace ignition
     /// \return True if _path is a file.
     bool IGNITION_COMMON_VISIBLE isFile(const std::string &_path);
 
+    /// \brief Check if the given path is relative.
+    /// \param[in] _path Path.
+    /// \return True if _path is relative.
+    bool IGNITION_COMMON_VISIBLE isRelativePath(const std::string &_path);
+
     /// \brief Create a new directory on the filesystem.  Intermediate
     ///        directories must already exist.
     /// \param[in] _path  The new directory path to create

src/Filesystem.cc

@@ -71,6 +71,12 @@ bool ignition::common::isFile(const std::string &_path)
   return fs::is_regular_file(_path);
 }
 
+/////////////////////////////////////////////////
+bool ignition::common::isRelativePath(const std::string &_path)
+{
+  return fs::path(_path).is_relative();
+}
+
 /////////////////////////////////////////////////
 bool ignition::common::createDirectory(const std::string &_path)
 {

src/Filesystem_TEST.cc

@@ -245,6 +245,20 @@ TEST_F(FilesystemTest, exists)
   EXPECT_FALSE(isDirectory(absoluteSubdir));
 }
 
+/////////////////////////////////////////////////
+TEST_F(FilesystemTest, relative)
+{
+  #ifndef _WIN32
+    std::string absPath {"/tmp/fstest"};
+    std::string relPath {"../fstest"};
+  #else
+    std::string absPath {"C:\\Users\\user\\Desktop\\test.txt"};
+    std::string relPath {"user\\Desktop\\test.txt"};
+  #endif
+  EXPECT_FALSE(isRelativePath(absPath));
+  EXPECT_TRUE(isRelativePath(relPath));
+}
+
 // The symlink tests require special permissions to work on Windows,
 // so they will be disabled by default. For more information, see:
 // https://github.com/ignitionrobotics/ign-common/issues/21