Add class BPackageInfoContentHandler

A BPackageContentHandler subclass that initializes a BPackageInfo from
the read package attributes. Pulled out of RepositoryWriterImpl's
PackageContentHandler.

headers/build/os/package/PackageInfoContentHandler.h

@@ -0,0 +1 @@
+#include <../os/package/PackageInfoContentHandler.h>

headers/os/package/PackageInfoContentHandler.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright 2011, Haiku, Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _PACKAGE__PACKAGE_INFO_CONTENT_HANDLER_H_
+#define _PACKAGE__PACKAGE_INFO_CONTENT_HANDLER_H_
+
+
+#include <package/hpkg/PackageContentHandler.h>
+
+
+namespace BPackageKit {
+
+
+class BPackageInfo;
+
+
+namespace BHPKG {
+	class BErrorOutput;
+}
+
+
+class BPackageInfoContentHandler : public BHPKG::BPackageContentHandler {
+public:
+								BPackageInfoContentHandler(
+									BPackageInfo& packageInfo,
+									BHPKG::BErrorOutput* errorOutput = NULL);
+	virtual						~BPackageInfoContentHandler();
+
+	virtual	status_t			HandleEntry(BHPKG::BPackageEntry* entry);
+	virtual	status_t			HandleEntryAttribute(
+									BHPKG::BPackageEntry* entry,
+									BHPKG::BPackageEntryAttribute* attribute);
+	virtual	status_t			HandleEntryDone(BHPKG::BPackageEntry* entry);
+
+	virtual	status_t			HandlePackageAttribute(
+									const BHPKG::BPackageInfoAttributeValue&
+										value);
+
+	virtual	void				HandleErrorOccurred();
+
+protected:
+			BPackageInfo&		fPackageInfo;
+			BHPKG::BErrorOutput* fErrorOutput;
+};
+
+
+}	// namespace BPackageKit
+
+
+#endif	// _PACKAGE__PACKAGE_INFO_CONTENT_HANDLER_H_