projects / pulseview.git / blame
| Commit | Line | Data |
|---|---|---|
| dddff2e7 DE |
1 | /* |
| 2 | * This file is part of the PulseView project. | |
| 3 | * | |
| 4 | * Copyright (C) 2015 Daniel Elstner <daniel.kitta@gmail.com> | |
| 5 | * | |
| 6 | * This program is free software: you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation, either version 3 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 | */ | |
| 19 | ||
| 20 | #include "assetreader.hpp" | |
| 21 | #include <libsigrok/libsigrok.h> | |
| 22 | #include <memory> | |
| 23 | #include <QtCore/QDebug> | |
| 24 | #include <QtCore/QFile> | |
| 059599e8 | 25 | #include <QtCore/QStandardPaths> |
| dddff2e7 DE |
26 | |
| 27 | using namespace pv; | |
| 28 | ||
| 29 | AndroidAssetReader::~AndroidAssetReader() | |
| 30 | {} | |
| 31 | ||
| 32 | void AndroidAssetReader::open(struct sr_resource *res, std::string name) | |
| 33 | { | |
| 34 | if (res->type == SR_RESOURCE_FIRMWARE) { | |
| 059599e8 DE |
35 | auto path = QStandardPaths::locate(QStandardPaths::GenericDataLocation, |
| 36 | QString::fromStdString("sigrok-firmware/" + name)); | |
| 37 | if (path.isEmpty()) | |
| 38 | path = QString::fromStdString("assets:/sigrok-firmware/" + name); | |
| 39 | ||
| dddff2e7 DE |
40 | std::unique_ptr<QFile> file {new QFile{path}}; |
| 41 | ||
| 42 | if (!file->open(QIODevice::ReadOnly)) | |
| 43 | throw sigrok::Error{SR_ERR}; | |
| 44 | ||
| 45 | const auto size = file->size(); | |
| 46 | if (size < 0) | |
| 47 | throw sigrok::Error{SR_ERR}; | |
| 48 | ||
| 49 | res->size = size; | |
| 50 | res->handle = file.release(); | |
| 51 | } else { | |
| 52 | qWarning() << "AndroidAssetReader: Unknown resource type" << res->type; | |
| 53 | throw sigrok::Error{SR_ERR}; | |
| 54 | } | |
| 55 | } | |
| 56 | ||
| 57 | void AndroidAssetReader::close(struct sr_resource *res) | |
| 58 | { | |
| 59 | if (!res->handle) { | |
| 60 | qCritical("AndroidAssetReader: Invalid handle"); | |
| 61 | throw sigrok::Error{SR_ERR_ARG}; | |
| 62 | } | |
| 63 | const std::unique_ptr<QFile> file {static_cast<QFile*>(res->handle)}; | |
| 64 | res->handle = nullptr; | |
| 65 | ||
| 66 | file->close(); | |
| 67 | } | |
| 68 | ||
| 69 | size_t AndroidAssetReader::read(const struct sr_resource *res, void *buf, size_t count) | |
| 70 | { | |
| 71 | if (!res->handle) { | |
| 72 | qCritical("AndroidAssetReader: Invalid handle"); | |
| 73 | throw sigrok::Error{SR_ERR_ARG}; | |
| 74 | } | |
| 75 | auto *const file = static_cast<QFile*>(res->handle); | |
| 76 | ||
| 77 | const auto n_read = file->read(static_cast<char*>(buf), count); | |
| 78 | if (n_read < 0) | |
| 79 | throw sigrok::Error{SR_ERR}; | |
| 80 | ||
| 81 | return n_read; | |
| 82 | } |