/*
 * AUTHOR
 * N. Nielsen
 *
 * LICENSE
 * This software is in the public domain.
 *
 * The software is provided "as is", without warranty of any kind,
 * express or implied, including but not limited to the warranties
 * of merchantability, fitness for a particular purpose, and
 * noninfringement. In no event shall the author(s) be liable for any
 * claim, damages, or other liability, whether in an action of
 * contract, tort, or otherwise, arising from, out of, or in connection
 * with the software or the use or other dealings in the software.
 *
 * SUPPORT
 * Send bug reports to: <nielsen@memberwebs.com>
 */

#ifndef __REPLACE_H__
#define __REPLACE_H__

#include "ProgressDlg.h"
#include "common/Droplet.h"
#include "lib/rlib.h"

// Replace: --------------------------------------------------------
//  Main processing class. Calls rlib for replacements

class Replace
{
public:
	Replace();
	virtual ~Replace();

	// Initialize processing (dialog, droplet etc...)
	HRESULT initialize();

	// Undo initialization
	HRESULT terminate();

	// Recursively process files in a folder
	HRESULT replaceFolder(LPCTSTR folder);

	// Process a single file into itself (maybe using backups)
	HRESULT replaceSingleFile(LPCTSTR fileName);

	// Process one file into another
	HRESULT replaceFilename(LPCTSTR fileIn, LPCTSTR fileOut);

	// Process one open file into another
	HRESULT replaceFile(HANDLE in, HANDLE out);

	// Process a memory buffer into an open file
	HRESULT replaceBuffer(byte* data, size_t size, HANDLE out);


private:
	// Callback for rlib when data output is needed
	static int writeFile(r_stream* stream, byte* data, size_t len);

	// Callback for rlib status updates
	static int matchStatus(r_stream* stream, r_replace* repl);

protected:
	Droplet m_droplet;		// The droplet
	ProgressDlg m_dlg;		// The progress dialog

private:
	HANDLE m_outFile;		// Open output file handle used by writeFile
};

#endif // __REPLACE_H__