From 6971b49f85d9ddeb2da968a594d65affec3d2b44 Mon Sep 17 00:00:00 2001
From: Benjamin Dobell <benjamin.dobell+git@glassechidna.com.au>
Date: Tue, 10 Mar 2015 02:49:32 +1100
Subject: Lots of Frontend refactoring with a few bug fixes

There is still far too much overly convoluted code. However, the
introduction of some RAII when dealing with files has made the
code-base slightly less error prone.
---
 heimdall-frontend/source/GZipFile.cpp | 51 +++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 heimdall-frontend/source/GZipFile.cpp

(limited to 'heimdall-frontend/source/GZipFile.cpp')

diff --git a/heimdall-frontend/source/GZipFile.cpp b/heimdall-frontend/source/GZipFile.cpp
new file mode 100644
index 0000000..af75f39
--- /dev/null
+++ b/heimdall-frontend/source/GZipFile.cpp
@@ -0,0 +1,51 @@
+#import "GZipFile.h"
+
+using namespace HeimdallFrontend;
+
+GZipFile::GZipFile(const QString& path) :
+	file(path),
+	gzFile(nullptr)
+{
+}
+
+GZipFile::~GZipFile()
+{
+	Close();
+
+	if (temporary)
+	{
+		file.remove();
+	}
+}
+
+bool GZipFile::Open(Mode mode)
+{
+	if (!file.isOpen() && !file.open(mode == GZipFile::ReadOnly ? QFile::ReadOnly : QFile::WriteOnly))
+	{
+		return (false);
+	}
+
+	gzFile = gzdopen(file.handle(), mode == GZipFile::ReadOnly ? "rb" : "wb");
+	return (gzFile != nullptr);
+}
+
+void GZipFile::Close()
+{
+	file.close();
+	gzclose(gzFile);
+}
+
+int GZipFile::Read(void *buffer, int length)
+{
+	return (length >= 0 && !file.isWritable() ? gzread(gzFile, buffer, length) : -1);
+}
+
+bool GZipFile::Write(void *buffer, int length)
+{
+	return (length >= 0 && gzwrite(gzFile, buffer, length) == length);
+}
+
+qint64 GZipFile::Offset() const
+{
+	return gzoffset(gzFile);
+}
-- 
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