378 lines
9.4 KiB
C++
378 lines
9.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "vcl/strhelper.hxx"
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#include "sal/alloca.h"
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namespace psp {
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inline int isSpace( char cChar )
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{
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return
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cChar == ' ' || cChar == '\t' ||
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cChar == '\r' || cChar == '\n' ||
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cChar == 0x0c || cChar == 0x0b;
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}
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inline int isSpace( sal_Unicode cChar )
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{
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return
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cChar == ' ' || cChar == '\t' ||
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cChar == '\r' || cChar == '\n' ||
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cChar == 0x0c || cChar == 0x0b;
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}
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inline int isProtect( char cChar )
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{
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return cChar == '`' || cChar == '\'' || cChar == '"';
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}
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inline int isProtect( sal_Unicode cChar )
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{
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return cChar == '`' || cChar == '\'' || cChar == '"';
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}
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inline void CopyUntil( char*& pTo, const char*& pFrom, char cUntil, int bIncludeUntil = 0 )
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{
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do
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{
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if( *pFrom == '\\' )
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{
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pFrom++;
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if( *pFrom )
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{
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*pTo = *pFrom;
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pTo++;
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}
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}
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else if( bIncludeUntil || ! isProtect( *pFrom ) )
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{
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*pTo = *pFrom;
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pTo++;
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}
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pFrom++;
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} while( *pFrom && *pFrom != cUntil );
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// copy the terminating character unless zero or protector
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if( ! isProtect( *pFrom ) || bIncludeUntil )
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{
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*pTo = *pFrom;
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if( *pTo )
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pTo++;
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}
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if( *pFrom )
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pFrom++;
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}
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inline void CopyUntil( sal_Unicode*& pTo, const sal_Unicode*& pFrom, sal_Unicode cUntil, int bIncludeUntil = 0 )
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{
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do
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{
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if( *pFrom == '\\' )
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{
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pFrom++;
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if( *pFrom )
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{
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*pTo = *pFrom;
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pTo++;
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}
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}
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else if( bIncludeUntil || ! isProtect( *pFrom ) )
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{
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*pTo = *pFrom;
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pTo++;
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}
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pFrom++;
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} while( *pFrom && *pFrom != cUntil );
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// copy the terminating character unless zero or protector
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if( ! isProtect( *pFrom ) || bIncludeUntil )
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{
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*pTo = *pFrom;
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if( *pTo )
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pTo++;
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}
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if( *pFrom )
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pFrom++;
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}
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OUString GetCommandLineToken( int nToken, const OUString& rLine )
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{
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sal_Int32 nLen = rLine.getLength();
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if( ! nLen )
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return OUString();
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int nActualToken = 0;
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sal_Unicode* pBuffer = (sal_Unicode*)alloca( sizeof(sal_Unicode)*( nLen + 1 ) );
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const sal_Unicode* pRun = rLine.getStr();
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sal_Unicode* pLeap = NULL;
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while( *pRun && nActualToken <= nToken )
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{
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while( *pRun && isSpace( *pRun ) )
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pRun++;
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pLeap = pBuffer;
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while( *pRun && ! isSpace( *pRun ) )
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{
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if( *pRun == '\\' )
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{
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// escapement
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pRun++;
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*pLeap = *pRun;
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pLeap++;
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if( *pRun )
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pRun++;
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}
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else if( *pRun == '`' )
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CopyUntil( pLeap, pRun, '`' );
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else if( *pRun == '\'' )
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CopyUntil( pLeap, pRun, '\'' );
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else if( *pRun == '"' )
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CopyUntil( pLeap, pRun, '"' );
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else
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{
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*pLeap = *pRun;
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pLeap++;
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pRun++;
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}
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}
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if( nActualToken != nToken )
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pBuffer[0] = 0;
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nActualToken++;
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}
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*pLeap = 0;
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return OUString(pBuffer);
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}
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OString GetCommandLineToken(int nToken, const OString& rLine)
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{
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sal_Int32 nLen = rLine.getLength();
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if (!nLen)
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return rLine;
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int nActualToken = 0;
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char* pBuffer = (char*)alloca( nLen + 1 );
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const char* pRun = rLine.getStr();
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char* pLeap = NULL;
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while( *pRun && nActualToken <= nToken )
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{
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while( *pRun && isSpace( *pRun ) )
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pRun++;
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pLeap = pBuffer;
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while( *pRun && ! isSpace( *pRun ) )
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{
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if( *pRun == '\\' )
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{
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// escapement
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pRun++;
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*pLeap = *pRun;
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pLeap++;
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if( *pRun )
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pRun++;
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}
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else if( *pRun == '`' )
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CopyUntil( pLeap, pRun, '`' );
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else if( *pRun == '\'' )
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CopyUntil( pLeap, pRun, '\'' );
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else if( *pRun == '"' )
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CopyUntil( pLeap, pRun, '"' );
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else
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{
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*pLeap = *pRun;
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pLeap++;
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pRun++;
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}
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}
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if( nActualToken != nToken )
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pBuffer[0] = 0;
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nActualToken++;
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}
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*pLeap = 0;
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return OString(pBuffer);
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}
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int GetCommandLineTokenCount(const OUString& rLine)
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{
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if (rLine.isEmpty())
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return 0;
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int nTokenCount = 0;
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const sal_Unicode *pRun = rLine.getStr();
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while( *pRun )
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{
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while( *pRun && isSpace( *pRun ) )
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pRun++;
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if( ! *pRun )
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break;
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while( *pRun && ! isSpace( *pRun ) )
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{
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if( *pRun == '\\' )
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{
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// escapement
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pRun++;
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if( *pRun )
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pRun++;
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}
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else if( *pRun == '`' )
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{
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do pRun++; while( *pRun && *pRun != '`' );
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if( *pRun )
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pRun++;
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}
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else if( *pRun == '\'' )
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{
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do pRun++; while( *pRun && *pRun != '\'' );
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if( *pRun )
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pRun++;
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}
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else if( *pRun == '"' )
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{
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do pRun++; while( *pRun && *pRun != '"' );
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if( *pRun )
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pRun++;
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}
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else
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pRun++;
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}
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nTokenCount++;
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}
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return nTokenCount;
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}
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OUString WhitespaceToSpace( const OUString& rLine, bool bProtect )
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{
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sal_Int32 nLen = rLine.getLength();
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if( ! nLen )
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return OUString();
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sal_Unicode *pBuffer = (sal_Unicode*)alloca( sizeof(sal_Unicode)*(nLen + 1) );
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const sal_Unicode *pRun = rLine.getStr();
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sal_Unicode *pLeap = pBuffer;
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while( *pRun )
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{
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if( *pRun && isSpace( *pRun ) )
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{
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*pLeap = ' ';
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pLeap++;
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pRun++;
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}
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while( *pRun && isSpace( *pRun ) )
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pRun++;
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while( *pRun && ! isSpace( *pRun ) )
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{
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if( *pRun == '\\' )
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{
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// escapement
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pRun++;
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*pLeap = *pRun;
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pLeap++;
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if( *pRun )
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pRun++;
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}
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else if( bProtect && *pRun == '`' )
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CopyUntil( pLeap, pRun, '`', sal_True );
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else if( bProtect && *pRun == '\'' )
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CopyUntil( pLeap, pRun, '\'', sal_True );
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else if( bProtect && *pRun == '"' )
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CopyUntil( pLeap, pRun, '"', sal_True );
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else
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{
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*pLeap = *pRun;
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++pLeap;
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++pRun;
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}
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}
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}
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*pLeap = 0;
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// there might be a space at beginning or end
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pLeap--;
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if( *pLeap == ' ' )
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*pLeap = 0;
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return OUString(*pBuffer == ' ' ? pBuffer+1 : pBuffer);
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}
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OString WhitespaceToSpace(const OString& rLine, bool bProtect)
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{
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sal_Int32 nLen = rLine.getLength();
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if (!nLen)
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return rLine;
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char *pBuffer = (char*)alloca( nLen + 1 );
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const char *pRun = rLine.getStr();
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char *pLeap = pBuffer;
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while( *pRun )
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{
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if( *pRun && isSpace( *pRun ) )
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{
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*pLeap = ' ';
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pLeap++;
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pRun++;
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}
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while( *pRun && isSpace( *pRun ) )
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pRun++;
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while( *pRun && ! isSpace( *pRun ) )
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{
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if( *pRun == '\\' )
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{
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// escapement
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pRun++;
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*pLeap = *pRun;
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pLeap++;
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if( *pRun )
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pRun++;
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}
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else if( bProtect && *pRun == '`' )
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CopyUntil( pLeap, pRun, '`', sal_True );
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else if( bProtect && *pRun == '\'' )
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CopyUntil( pLeap, pRun, '\'', sal_True );
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else if( bProtect && *pRun == '"' )
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CopyUntil( pLeap, pRun, '"', sal_True );
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else
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{
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*pLeap = *pRun;
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++pLeap;
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++pRun;
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}
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}
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}
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*pLeap = 0;
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// there might be a space at beginning or end
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pLeap--;
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if( *pLeap == ' ' )
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*pLeap = 0;
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return OString(*pBuffer == ' ' ? pBuffer+1 : pBuffer);
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}
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} // namespace
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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