1 files changed, 54 insertions, 0 deletions
diff --git a/libmail/genericdecode.H b/libmail/genericdecode.H
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+++ b/libmail/genericdecode.H
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+/*
+** Copyright 2002, Double Precision Inc.
+**
+** See COPYING for distribution information.
+*/
+#ifndef libmail_genericdecode_H
+#define libmail_genericdecode_H
+
+#include "libmail_config.h"
+#include "mail.H"
+#include "generic.H"
+#include "autodecoder.H"
+
+#include "base64.H"
+#include "qp.H"
+
+///////////////////////////////////////////////////////////////////////////
+//
+// A helper object for the generic readMessageContentDecoded method
+// implementation.  The mail::autodecoder() superclass handles the actual
+// decoding task.  The decoded() method forwards the decoded data to the
+// original application callback object.
+//
+// This helper object also conveniently subclasses mail::callback::message,
+// nicely forwarding the retrieved MIME content to mail::autodecoder.
+// It is dynamically allocated, and after its success() or fail() method is
+// invoked, the message is obediently passed along to the original
+// callback function, and afterwards this object destroys itself.
+
+class mail::generic::Decode : public mail::autodecoder,
+		     public mail::callback::message {
+
+	mail::callback::message &originalCallback;
+
+public:
+	Decode(mail::callback::message &callback, std::string transferEncoding);
+	~Decode();
+
+private:
+	size_t messageNum;
+
+	void decoded(std::string buffer);
+	void messageTextCallback(size_t n, std::string text);
+	void reportProgress(size_t bytesCompleted,
+			    size_t bytesEstimatedTotal,
+
+			    size_t messagesCompleted,
+			    size_t messagesEstimatedTotal);
+
+	void fail(std::string message);
+	void success(std::string message);
+};
+
+#endif