X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fdevices%2Finputfile.cpp;fp=pv%2Fdevices%2Finputfile.cpp;h=411877473b9bf30e235b990243c574f7418c1a61;hp=0000000000000000000000000000000000000000;hb=5237f0c50352b523c6a0c3d7f931081ecdbdecaa;hpb=e6c1382ebf0994e55e9470724df985a1b7750709

diff --git a/pv/devices/inputfile.cpp b/pv/devices/inputfile.cpp
new file mode 100644
index 0000000..4118774
--- /dev/null
+++ b/pv/devices/inputfile.cpp
@@ -0,0 +1,92 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2015 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <cassert>
+#include <fstream>
+
+#include <QString>
+
+#include "inputfile.hpp"
+
+namespace pv {
+namespace devices {
+
+const std::streamsize InputFile::BufferSize = 16384;
+
+InputFile::InputFile(const std::shared_ptr<sigrok::Context> &context,
+	const std::string &file_name,
+	std::shared_ptr<sigrok::InputFormat> format,
+	const std::map<std::string, Glib::VariantBase> &options) :
+	context_(context),
+	input_(format->create_input(options)),
+	file_name_(file_name),
+	interrupt_(false) {
+	if (!input_)
+		throw QString("Failed to create input");
+}
+
+void InputFile::create() {
+	session_ = context_->create_session();
+}
+
+void InputFile::start() {
+}
+
+void InputFile::run() {
+	char buffer[BufferSize];
+	bool need_device = true;
+
+	assert(session_);
+	assert(input_);
+
+	interrupt_ = false;
+	std::ifstream f(file_name_);
+	while (!interrupt_ && f) {
+		f.read(buffer, BufferSize);
+		const std::streamsize size = f.gcount();
+		if (size == 0)
+			break;
+
+		input_->send(buffer, size);
+
+		if (need_device) {
+			try {
+				device_ = input_->device();
+			} catch (sigrok::Error) {
+				break;
+			}
+
+			session_->add_device(device_);
+			need_device = false;
+		}
+
+		if (size != BufferSize)
+			break;
+	}
+
+	input_->end();
+}
+
+void InputFile::stop() {
+	interrupt_ = true;
+}
+
+} // namespace devices
+} // namespace pv