From bc419bd953dc31184aa3f3a6a3c9b8693bc34b7c Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 27 May 2014 16:56:34 +0100
Subject: Start of STL binary reader; start of dumpsubs.

---
 src/reader_factory.cc | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 src/reader_factory.cc

(limited to 'src/reader_factory.cc')

diff --git a/src/reader_factory.cc b/src/reader_factory.cc
new file mode 100644
index 0000000..fd19c0f
--- /dev/null
+++ b/src/reader_factory.cc
@@ -0,0 +1,58 @@
+/*
+    Copyright (C) 2014 Carl Hetherington <cth@carlh.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <fstream>
+#include <boost/algorithm/string.hpp>
+#include "reader_factory.h"
+#include "dcp_reader.h"
+#include "stl_binary_reader.h"
+#include "stl_text_reader.h"
+
+using std::string;
+using std::ifstream;
+using boost::algorithm::ends_with;
+using boost::shared_ptr;
+using namespace sub;
+
+shared_ptr<Reader>
+sub::reader_factory (string file_name)
+{
+	ifstream f (file_name.c_str ());
+	if (!f.good ()) {
+		return shared_ptr<Reader> ();
+	}
+	
+	if (ends_with (file_name, ".xml") || ends_with (file_name, ".XML")) {
+		return shared_ptr<Reader> (new DCPReader (f));
+	}
+
+	if (ends_with (file_name, ".stl") || ends_with (file_name, ".STL")) {
+		/* Check the start of the DFC */
+		char buffer[11];
+		f.read (buffer, 11);
+		f.seekg (0);
+		if (f.gcount() == 11 && buffer[3] == 'S' && buffer[4] == 'T' && buffer[5] == 'L') {
+			return shared_ptr<Reader> (new STLBinaryReader (f));
+		} else {
+			return shared_ptr<Reader> (new STLTextReader (f));
+		}
+	}
+
+	return shared_ptr<Reader> ();
+}
-- 
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