Initial checkin. Main udf image building class.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5461 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/bin/makeudfimage/UdfBuilder.cpp

@@ -0,0 +1,114 @@
+//----------------------------------------------------------------------
+//  This software is part of the OpenBeOS distribution and is covered 
+//  by the OpenBeOS license.
+//
+//  Copyright (c) 2003 Tyler Dauwalder, [email protected]
+//----------------------------------------------------------------------
+
+/*! \file UdfBuilder.cpp
+
+	Main UDF image building class implementation.
+*/
+
+#include "UdfBuilder.h"
+
+#include <stdio.h>
+
+#include "Debug.h"
+
+UdfBuilder::UdfBuilder(const ProgressListener &listener)
+	: fListener(listener)
+{
+}
+
+status_t
+UdfBuilder::InitCheck() const
+{
+	return B_OK;
+}
+
+status_t
+UdfBuilder::Build() const
+{
+	DEBUG_INIT("UdfBuilder");
+	_PrintError("This is an error.");
+	_PrintWarning("This is a warning.");
+	_PrintUpdate(VERBOSITY_LOW, "This is a VERBOSITY_LOW update.");
+	_PrintUpdate(VERBOSITY_HIGH, "This is a VERBOSITY_HIGH update.");
+	RETURN(B_ERROR);
+}
+
+/*! \brief Uses vsprintf() to output the given format string and arguments
+	into the given message string.
+	
+	va_start() must be called prior to calling this function to obtain the
+	\a arguments parameter, but va_end() must *not* be called upon return,
+	as this function takes the liberty of doing so for you.
+*/
+status_t
+UdfBuilder::_FormatString(char *message, const char *formatString, va_list arguments) const
+{
+	status_t error = message && formatString ? B_OK : B_BAD_VALUE;
+	if (!error) {
+		vsprintf(message, formatString, arguments);
+		va_end(arguments);	
+	}
+	return error;
+}
+
+/*! \brief Outputs a printf()-style error message to the listener.
+*/
+void
+UdfBuilder::_PrintError(const char *formatString, ...) const
+{
+	if (!formatString) {
+		DEBUG_INIT_ETC("UdfBuilder", ("formatString: `%s'", formatString));
+		PRINT(("ERROR: _PrintError() called with NULL format string!\n"));
+		return;
+	}
+	char message[kMaxUpdateStringLength];
+	va_list arguments;
+	va_start(arguments, formatString);
+	status_t error = _FormatString(message, formatString, arguments);
+	if (!error)
+		fListener.OnError(message);	
+}
+
+/*! \brief Outputs a printf()-style warning message to the listener.
+*/
+void
+UdfBuilder::_PrintWarning(const char *formatString, ...) const
+{
+	if (!formatString) {
+		DEBUG_INIT_ETC("UdfBuilder", ("formatString: `%s'", formatString));
+		PRINT(("ERROR: _PrintWarning() called with NULL format string!\n"));
+		return;
+	}
+	char message[kMaxUpdateStringLength];
+	va_list arguments;
+	va_start(arguments, formatString);
+	status_t error = _FormatString(message, formatString, arguments);
+	if (!error)
+		fListener.OnWarning(message);	
+}
+
+/*! \brief Outputs a printf()-style update message to the listener
+	at the given verbosity level.
+*/
+void
+UdfBuilder::_PrintUpdate(VerbosityLevel level, const char *formatString, ...) const
+{
+	if (!formatString) {
+		DEBUG_INIT_ETC("UdfBuilder", ("level: %d, formatString: `%s'",
+		               level, formatString));
+		PRINT(("ERROR: _PrintUpdate() called with NULL format string!\n"));
+		return;
+	}
+	char message[kMaxUpdateStringLength];
+	va_list arguments;
+	va_start(arguments, formatString);
+	status_t error = _FormatString(message, formatString, arguments);
+	if (!error)
+		fListener.OnUpdate(level, message);	
+}
+

src/apps/bin/makeudfimage/UdfBuilder.h

@@ -0,0 +1,40 @@
+//----------------------------------------------------------------------
+//  This software is part of the OpenBeOS distribution and is covered 
+//  by the OpenBeOS license.
+//
+//  Copyright (c) 2003 Tyler Dauwalder, [email protected]
+//----------------------------------------------------------------------
+
+/*! \file UdfBuilder.h
+
+	Main UDF image building class interface declarations.
+*/
+
+#ifndef _UDF_BUILDER_H
+#define _UDF_BUILDER_H
+
+#include <stdarg.h>
+#include <string>
+#include <SupportDefs.h>
+
+#include "ProgressListener.h"
+
+class UdfBuilder {
+public:
+	UdfBuilder(const ProgressListener &listener);
+	status_t InitCheck() const;
+	status_t Build() const;
+private:
+	//! Maximum length of string generated by calls to any _Print*() functions
+	static const int kMaxUpdateStringLength = 1024;
+
+	status_t _FormatString(char *message, const char *formatString, va_list arguments) const;
+	void _PrintError(const char *formatString, ...) const;
+	void _PrintWarning(const char *formatString, ...) const;
+	void _PrintUpdate(VerbosityLevel level, const char *formatString, ...) const;
+
+	const ProgressListener &fListener;
+};
+
+
+#endif	// _UDF_BUILDER_H