Initial commit.

[jspeed] / src / zipreader.cpp

diff --git a/src/zipreader.cpp b/src/zipreader.cpp
new file mode 100644 (file)
index 0000000..7cafef4
--- /dev/null
+++ b/src/zipreader.cpp
@@ -0,0 +1,95 @@
+/*
+ * This file is part of jSpeed.
+ *
+ * jSpeed 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.
+ *
+ * jSpeed 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 jSpeed.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <QtCore/QString>
+#include <QtCore/QByteArray>
+#include <QtCore/QDebug>
+#include "zipreader.h"
+
+namespace
+{
+    int const BUFFER_SIZE = 16384;
+}
+
+ZipReader::ZipReader(QString const& filename): Reader(),
+filename_(filename), zip_(0), error_("")
+{
+}
+
+bool ZipReader::open()
+{
+    int error = 0;
+
+    zip_ = zip_open(filename_.toLatin1().data(), 0, &error);
+
+    if(error)
+    {
+        error_ = "Not a valid zip file";
+        zip_ = 0;
+        return false;
+    }
+
+    return true;
+}
+
+bool ZipReader::readFile(QString const& filename, QByteArray& data)
+{
+    zip_file* file = 0;
+
+    file = zip_fopen(zip_, filename.toLatin1().data(), 0);
+
+    if(!file)
+    {
+        error_ = QString(zip_strerror(zip_));
+        return false;
+    }
+
+    char buffer[BUFFER_SIZE];
+
+    int read = 0;
+
+    data.clear();
+
+    while((read = zip_fread(file, buffer, BUFFER_SIZE)) > 0)
+    {
+        data.append(buffer, read);
+    }
+
+    return true;
+}
+
+bool ZipReader::fileExists(QString const& filename) const
+{
+    return zip_name_locate(zip_, filename.toLatin1().data(), 0) != -1;
+}
+
+bool ZipReader::close()
+{
+    if(zip_close(zip_) == 0)
+    {
+        zip_ = 0;
+        return true;
+    }
+
+    return false;
+}
+
+QString const& ZipReader::errorString() const
+{
+    return error_;
+}