X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;ds=sidebyside;f=android%2Fassetreader.cpp;fp=android%2Fassetreader.cpp;h=bf76704a8b873f724f526ab773e62c4a46562f7b;hb=dddff2e7c658aa84f67186ade0a4845b5fb0b43f;hp=0000000000000000000000000000000000000000;hpb=05b2276928535ae1f8e16b6f9c89802d8d261fee;p=pulseview.git

diff --git a/android/assetreader.cpp b/android/assetreader.cpp
new file mode 100644
index 0000000..bf76704
--- /dev/null
+++ b/android/assetreader.cpp
@@ -0,0 +1,77 @@
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2015 Daniel Elstner <daniel.kitta@gmail.com>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "assetreader.hpp"
+#include <libsigrok/libsigrok.h>
+#include <memory>
+#include <QtCore/QDebug>
+#include <QtCore/QFile>
+
+using namespace pv;
+
+AndroidAssetReader::~AndroidAssetReader()
+{}
+
+void AndroidAssetReader::open(struct sr_resource *res, std::string name)
+{
+	if (res->type == SR_RESOURCE_FIRMWARE) {
+		const auto path = QString::fromStdString("assets:/sigrok-firmware/" + name);
+		std::unique_ptr<QFile> file {new QFile{path}};
+
+		if (!file->open(QIODevice::ReadOnly))
+			throw sigrok::Error{SR_ERR};
+
+		const auto size = file->size();
+		if (size < 0)
+			throw sigrok::Error{SR_ERR};
+
+		res->size = size;
+		res->handle = file.release();
+	} else {
+		qWarning() << "AndroidAssetReader: Unknown resource type" << res->type;
+		throw sigrok::Error{SR_ERR};
+	}
+}
+
+void AndroidAssetReader::close(struct sr_resource *res)
+{
+	if (!res->handle) {
+		qCritical("AndroidAssetReader: Invalid handle");
+		throw sigrok::Error{SR_ERR_ARG};
+	}
+	const std::unique_ptr<QFile> file {static_cast<QFile*>(res->handle)};
+	res->handle = nullptr;
+
+	file->close();
+}
+
+size_t AndroidAssetReader::read(const struct sr_resource *res, void *buf, size_t count)
+{
+	if (!res->handle) {
+		qCritical("AndroidAssetReader: Invalid handle");
+		throw sigrok::Error{SR_ERR_ARG};
+	}
+	auto *const file = static_cast<QFile*>(res->handle);
+
+	const auto n_read = file->read(static_cast<char*>(buf), count);
+	if (n_read < 0)
+		throw sigrok::Error{SR_ERR};
+
+	return n_read;
+}