/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_l10ntools.hxx"
#include <stdio.h>

// local includes
#include "lngmerge.hxx"

// defines to parse command line
#define STATE_NON  		0x0001
#define STATE_INPUT		0x0002
#define STATE_OUTPUT	0x0003
#define STATE_PRJ		0x0004
#define STATE_ROOT		0x0005
#define STATE_MERGESRC	0x0006
#define STATE_ERRORLOG	0x0007
#define STATE_BREAKHELP	0x0008
#define STATE_UNMERGE	0x0009
#define STATE_UTF8		0x000A
#define STATE_ULF		0x000B
#define STATE_LANGUAGES	0x000C

// set of global variables
ByteString sInputFile;
sal_Bool bEnableExport;
sal_Bool bMergeMode;
sal_Bool bErrorLog;
sal_Bool bUTF8;
sal_Bool bULF; // ULF = Unicode Language File
ByteString sPrj;
ByteString sPrjRoot;
ByteString sOutputFile;
ByteString sMergeSrc;

/*****************************************************************************/
sal_Bool ParseCommandLine( int argc, char* argv[])
/*****************************************************************************/
{
	bEnableExport = sal_False;
	bMergeMode = sal_False;
	bErrorLog = sal_True;
	bUTF8 = sal_True;
	bULF = sal_False;
	sPrj = "";
	sPrjRoot = "";
	Export::sLanguages = "";
    
	sal_uInt16 nState = STATE_NON;
	sal_Bool bInput = sal_False;

	// parse command line
	for( int i = 1; i < argc; i++ ) {
		ByteString sSwitch( argv[ i ] );
        sSwitch.ToUpperAscii();
        if ( sSwitch == "-I" ) {
			nState = STATE_INPUT; // next tokens specifies source files
		}
		else if ( sSwitch  == "-O" ) {
			nState = STATE_OUTPUT; // next token specifies the dest file
		}
		else if ( sSwitch == "-P" ) {
			nState = STATE_PRJ; // next token specifies the cur. project
		}
		else if ( sSwitch == "-R" ) {
			nState = STATE_ROOT; // next token specifies path to project root
		}
		else if ( sSwitch == "-M" ) {
			nState = STATE_MERGESRC; // next token specifies the merge database
		}
		else if ( sSwitch == "-E" ) {
			nState = STATE_ERRORLOG;
			bErrorLog = sal_False;
		}
		else if ( sSwitch == "-UTF8" ) {
			nState = STATE_UTF8;
			bUTF8 = sal_True;
		}
/*		else if ( sSwitch == "-NOUTF8" ) {
			nState = STATE_UTF8;
			bUTF8 = sal_False;
		}*/
/*		else if ( sSwitch == "-ULF" ) {
			nState = STATE_ULF;
			bULF = sal_True;
		}*/
		else if ( sSwitch == "-L" ) {
			nState = STATE_LANGUAGES;
		}
		else {
			switch ( nState ) {
				case STATE_NON: {
					return sal_False;	// no valid command line
				}
				//break;
				case STATE_INPUT: {
					sInputFile = argv[ i ];
					bInput = sal_True; // source file found
				}
				break;
				case STATE_OUTPUT: {
					sOutputFile = argv[ i ]; // the dest. file
				}
				break;
				case STATE_PRJ: {
					sPrj = argv[ i ];
//					sPrj.ToLowerAscii(); // the project
				}
				break;
				case STATE_ROOT: {
					sPrjRoot = argv[ i ]; // path to project root
				}
				break;
				case STATE_MERGESRC: {
					sMergeSrc = argv[ i ];
					bMergeMode = sal_True; // activate merge mode, cause merge database found
				}
				break;
				case STATE_LANGUAGES: {
					Export::sLanguages = argv[ i ];
				}
				break;
			}
		}
	}

	if ( bInput ) {
		// command line is valid
		bULF = sal_True;
        bEnableExport = sal_True;
		return sal_True;
	}

	// command line is not valid
	return sal_False;
}


/*****************************************************************************/
void Help()
/*****************************************************************************/
{
    fprintf( stdout, "Syntax:ULFEX[-p Prj][-r PrjRoot]-i FileIn -o FileOut[-m DataBase][-L l1,l2,...]\n" );
	fprintf( stdout, " Prj:      Project\n" );
	fprintf( stdout, " PrjRoot:  Path to project root (..\\.. etc.)\n" );
	fprintf( stdout, " FileIn:   Source file (*.lng)\n" );
	fprintf( stdout, " FileOut:  Destination file (*.*)\n" );
	fprintf( stdout, " DataBase: Mergedata (*.sdf)\n" );
	fprintf( stdout, " -L: Restrict the handled languages. l1,l2,... are elements of (de,en-US...)\n" );
	fprintf( stdout, "     A fallback language can be defined like this: l1=f1.\n" );
	fprintf( stdout, "     f1, f2,... are also elements of (de,en-US...)\n" );
	fprintf( stdout, "     Example: -L de,es=en-US\n" );
	fprintf( stdout, "              Restriction to de and es, en-US will be fallback for es\n" );
}

/*****************************************************************************/
#if defined(UNX) || defined(OS2)
int main( int argc, char *argv[] )
#else
int _cdecl main( int argc, char *argv[] )
#endif
/*****************************************************************************/
{
	if ( !ParseCommandLine( argc, argv )) {
		Help();
		return 1;
	}
        fprintf(stdout, ".");
        fflush( stdout ); 

	if ( sOutputFile.Len()) {
		LngParser aParser( sInputFile, bUTF8, bULF );
		if ( bMergeMode )
			aParser.Merge( sMergeSrc, sOutputFile , sPrj );
		else
			aParser.CreateSDF( sOutputFile, sPrj, sPrjRoot );
	}

	return 0;
}