2 files changed, 37 insertions, 3 deletions
diff --git a/backends/fs/abstract-fs.cpp b/backends/fs/abstract-fs.cpp
index f6dc8f1891..db2baee6ca 100644
--- a/backends/fs/abstract-fs.cpp
+++ b/backends/fs/abstract-fs.cpp
@@ -23,6 +23,7 @@
  */
 
 #include "backends/fs/abstract-fs.h"
+#include "common/file.h"
 
 const char *AbstractFilesystemNode::lastPathComponent(const Common::String &str, const char sep) {
 	if(str.empty())
@@ -37,3 +38,21 @@ const char *AbstractFilesystemNode::lastPathComponent(const Common::String &str,
 
 	return cur + 1;
 }
+
+Common::SeekableReadStream *AbstractFilesystemNode::openForReading() {
+	// FIXME: Until openForReading is supported by all AbstractFilesystemNode
+	// implementations, we provide this "generic" one, using Common::File.
+	FILE *handle = fopen(getPath().c_str(), "rb");
+	if (handle)
+		return new Common::StdioStream(handle);
+	return 0;
+}
+
+Common::WriteStream *AbstractFilesystemNode::openForWriting() {
+	// FIXME: Until openForWriting is supported by all AbstractFilesystemNode
+	// implementations, we provide this "generic" one.
+	FILE *handle = fopen(getPath().c_str(), "wb");
+	if (handle)
+		return new Common::StdioStream(handle);
+	return 0;
+}
diff --git a/backends/fs/abstract-fs.h b/backends/fs/abstract-fs.h
index d81e7f36b0..73fae24373 100644
--- a/backends/fs/abstract-fs.h
+++ b/backends/fs/abstract-fs.h
@@ -162,9 +162,24 @@ public:
 	 */
 	virtual bool isWritable() const = 0;
 
-	/* TODO:
-	bool isFile();
-	*/
+
+	/**
+	 * Creates a SeekableReadStream instance corresponding to the file
+	 * referred by this node. This assumes that the node actually refers
+	 * to a readable file. If this is not the case, 0 is returned.
+	 *
+	 * @return pointer to the stream object, 0 in case of a failure
+	 */
+	virtual Common::SeekableReadStream *openForReading();
+
+	/**
+	 * Creates a WriteStream instance corresponding to the file
+	 * referred by this node. This assumes that the node actually refers
+	 * to a readable file. If this is not the case, 0 is returned.
+	 *
+	 * @return pointer to the stream object, 0 in case of a failure
+	 */
+	virtual Common::WriteStream *openForWriting();
 };