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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/base/nsGZFileWriter.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/base/nsGZFileWriter.h')
-rw-r--r--xpcom/base/nsGZFileWriter.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/xpcom/base/nsGZFileWriter.h b/xpcom/base/nsGZFileWriter.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsGZFileWriter_h
+#define nsGZFileWriter_h
+
+#include "nsIGZFileWriter.h"
+#include "zlib.h"
+
+/**
+ * A simple class for writing .gz files.
+ */
+class nsGZFileWriter final : public nsIGZFileWriter
+{
+ virtual ~nsGZFileWriter();
+
+public:
+
+ enum Operation {
+ Append,
+ Create
+ };
+
+
+ explicit nsGZFileWriter(Operation aMode = Create);
+
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIGZFILEWRITER
+
+ /**
+ * nsIGZFileWriter exposes two non-virtual overloads of Write(). We
+ * duplicate them here so that you can call these overloads on a pointer to
+ * the concrete nsGZFileWriter class.
+ */
+ MOZ_MUST_USE nsresult Write(const char* aStr)
+ {
+ return nsIGZFileWriter::Write(aStr);
+ }
+
+ MOZ_MUST_USE nsresult Write(const char* aStr, uint32_t aLen)
+ {
+ return nsIGZFileWriter::Write(aStr, aLen);
+ }
+
+private:
+ Operation mMode;
+ bool mInitialized;
+ bool mFinished;
+ gzFile mGZFile;
+};
+
+#endif