+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2014 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 <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+#include "inputfile.h"
+
+#include <libsigrok/libsigrok.h>
+
+using std::string;
+
+namespace pv {
+namespace device {
+
+InputFile::InputFile(const std::string &path) :
+ File(path),
+ _input(NULL)
+{
+}
+
+sr_dev_inst* InputFile::dev_inst() const
+{
+ assert(_input);
+ return _input->sdi;
+}
+
+void InputFile::use(SigSession *owner) throw(QString)
+{
+ assert(!_input);
+
+ _input = load_input_file_format(_path, NULL);
+ File::use(owner);
+
+ sr_session_new();
+
+ if (sr_session_dev_add(_input->sdi) != SR_OK)
+ throw tr("Failed to add session device.");
+}
+
+void InputFile::release()
+{
+ if (!_owner)
+ return;
+
+ assert(_input);
+ File::release();
+ sr_dev_close(_input->sdi);
+ sr_session_destroy();
+ _input = NULL;
+}
+
+sr_input_format* InputFile::determine_input_file_format(
+ const string &filename)
+{
+ int i;
+
+ /* If there are no input formats, return NULL right away. */
+ sr_input_format *const *const inputs = sr_input_list();
+ if (!inputs) {
+ g_critical("No supported input formats available.");
+ return NULL;
+ }
+
+ /* Otherwise, try to find an input module that can handle this file. */
+ for (i = 0; inputs[i]; i++) {
+ if (inputs[i]->format_match(filename.c_str()))
+ break;
+ }
+
+ /* Return NULL if no input module wanted to touch this. */
+ if (!inputs[i]) {
+ g_critical("Error: no matching input module found.");
+ return NULL;
+ }
+
+ return inputs[i];
+}
+
+sr_input* InputFile::load_input_file_format(const string &filename,
+ sr_input_format *format)
+{
+ struct stat st;
+ sr_input *in;
+
+ if (!format && !(format =
+ determine_input_file_format(filename.c_str()))) {
+ /* The exact cause was already logged. */
+ throw tr("Failed to load file");
+ }
+
+ if (stat(filename.c_str(), &st) == -1)
+ throw tr("Failed to load file");
+
+ /* Initialize the input module. */
+ if (!(in = new sr_input)) {
+ throw tr("Failed to allocate input module.");
+ }
+
+ in->format = format;
+ in->param = NULL;
+ if (in->format->init &&
+ in->format->init(in, filename.c_str()) != SR_OK) {
+ throw tr("Failed to load file");
+ }
+
+ return in;
+}
+
+void InputFile::start()
+{
+}
+
+void InputFile::run()
+{
+ assert(_input);
+ assert(_input->format);
+ assert(_input->format->loadfile);
+ _input->format->loadfile(_input, _path.c_str());
+}
+
+} // device
+} // pv