-/*
- * 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(&SigSession::_sr_session);
-
- if (sr_session_dev_add(SigSession::_sr_session, _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(SigSession::_sr_session);
- _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