lib: intro the method String::file_copy_to

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/standard/file.nit b/lib/standard/file.nit
index 239f785..7814afa 100644 (file)
--- a/lib/standard/file.nit
+++ b/lib/standard/file.nit
@@ -207,6 +207,21 @@ redef class String
        # Remove a file, return true if success
        fun file_delete: Bool do return to_cstring.file_delete
 
+       # Copy content of file at `self` to `dest`
+       fun file_copy_to(dest: String)
+       do
+               var input = new IFStream.open(self)
+               var output = new OFStream.open(dest)
+
+               while not input.eof do
+                       var buffer = input.read(1024)
+                       output.write buffer
+               end
+
+               input.close
+               output.close
+       end
+
        # remove the trailing extension "ext"
        fun strip_extension(ext: String): String
        do

diff --git a/tests/sav/test_file_copy.res b/tests/sav/test_file_copy.res
new file mode 100644 (file)
index 0000000..632da3c
--- /dev/null
+++ b/tests/sav/test_file_copy.res
@@ -0,0 +1,26 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+var dir = "out/test_file_copy/"
+if not dir.file_exists then dir.mkdir
+
+var src = "test_file_copy.nit"
+var dst = "{dir}/copy.nit"
+src.file_copy_to dst
+
+var file = new IFStream.open(dst)
+printn file.read_all
+file.close

diff --git a/tests/test_file_copy.nit b/tests/test_file_copy.nit
new file mode 100644 (file)
index 0000000..632da3c
--- /dev/null
+++ b/tests/test_file_copy.nit
@@ -0,0 +1,26 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+var dir = "out/test_file_copy/"
+if not dir.file_exists then dir.mkdir
+
+var src = "test_file_copy.nit"
+var dst = "{dir}/copy.nit"
+src.file_copy_to dst
+
+var file = new IFStream.open(dst)
+printn file.read_all
+file.close