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/**************************************************************
*
* 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_vcl.hxx"
#include "vcl/strhelper.hxx"
#include "sal/alloca.h"
namespace psp {
inline int isSpace( char cChar )
{
return
cChar == ' ' || cChar == '\t' ||
cChar == '\r' || cChar == '\n' ||
cChar == 0x0c || cChar == 0x0b;
}
inline int isSpace( sal_Unicode cChar )
{
return
cChar == ' ' || cChar == '\t' ||
cChar == '\r' || cChar == '\n' ||
cChar == 0x0c || cChar == 0x0b;
}
inline int isProtect( char cChar )
{
return cChar == '`' || cChar == '\'' || cChar == '"';
}
inline int isProtect( sal_Unicode cChar )
{
return cChar == '`' || cChar == '\'' || cChar == '"';
}
inline void CopyUntil( char*& pTo, const char*& pFrom, char cUntil, int bIncludeUntil = 0 )
{
do
{
if( *pFrom == '\\' )
{
pFrom++;
if( *pFrom )
{
*pTo = *pFrom;
pTo++;
}
}
else if( bIncludeUntil || ! isProtect( *pFrom ) )
{
*pTo = *pFrom;
pTo++;
}
pFrom++;
} while( *pFrom && *pFrom != cUntil );
// copy the terminating character unless zero or protector
if( ! isProtect( *pFrom ) || bIncludeUntil )
{
*pTo = *pFrom;
if( *pTo )
pTo++;
}
if( *pFrom )
pFrom++;
}
inline void CopyUntil( sal_Unicode*& pTo, const sal_Unicode*& pFrom, sal_Unicode cUntil, int bIncludeUntil = 0 )
{
do
{
if( *pFrom == '\\' )
{
pFrom++;
if( *pFrom )
{
*pTo = *pFrom;
pTo++;
}
}
else if( bIncludeUntil || ! isProtect( *pFrom ) )
{
*pTo = *pFrom;
pTo++;
}
pFrom++;
} while( *pFrom && *pFrom != cUntil );
// copy the terminating character unless zero or protector
if( ! isProtect( *pFrom ) || bIncludeUntil )
{
*pTo = *pFrom;
if( *pTo )
pTo++;
}
if( *pFrom )
pFrom++;
}
String GetCommandLineToken( int nToken, const String& rLine )
{
int nLen = rLine.Len();
if( ! nLen )
return String();
int nActualToken = 0;
sal_Unicode* pBuffer = (sal_Unicode*)alloca( sizeof(sal_Unicode)*( nLen + 1 ) );
const sal_Unicode* pRun = rLine.GetBuffer();
sal_Unicode* pLeap = NULL;
while( *pRun && nActualToken <= nToken )
{
while( *pRun && isSpace( *pRun ) )
pRun++;
pLeap = pBuffer;
while( *pRun && ! isSpace( *pRun ) )
{
if( *pRun == '\\' )
{
// escapement
pRun++;
*pLeap = *pRun;
pLeap++;
if( *pRun )
pRun++;
}
else if( *pRun == '`' )
CopyUntil( pLeap, pRun, '`' );
else if( *pRun == '\'' )
CopyUntil( pLeap, pRun, '\'' );
else if( *pRun == '"' )
CopyUntil( pLeap, pRun, '"' );
else
{
*pLeap = *pRun;
pLeap++;
pRun++;
}
}
if( nActualToken != nToken )
pBuffer[0] = 0;
nActualToken++;
}
*pLeap = 0;
String aRet( pBuffer );
return aRet;
}
ByteString GetCommandLineToken( int nToken, const ByteString& rLine )
{
int nLen = rLine.Len();
if( ! nLen )
return ByteString();
int nActualToken = 0;
char* pBuffer = (char*)alloca( nLen + 1 );
const char* pRun = rLine.GetBuffer();
char* pLeap = NULL;
while( *pRun && nActualToken <= nToken )
{
while( *pRun && isSpace( *pRun ) )
pRun++;
pLeap = pBuffer;
while( *pRun && ! isSpace( *pRun ) )
{
if( *pRun == '\\' )
{
// escapement
pRun++;
*pLeap = *pRun;
pLeap++;
if( *pRun )
pRun++;
}
else if( *pRun == '`' )
CopyUntil( pLeap, pRun, '`' );
else if( *pRun == '\'' )
CopyUntil( pLeap, pRun, '\'' );
else if( *pRun == '"' )
CopyUntil( pLeap, pRun, '"' );
else
{
*pLeap = *pRun;
pLeap++;
pRun++;
}
}
if( nActualToken != nToken )
pBuffer[0] = 0;
nActualToken++;
}
*pLeap = 0;
ByteString aRet( pBuffer );
return aRet;
}
int GetCommandLineTokenCount( const String& rLine )
{
if( ! rLine.Len() )
return 0;
int nTokenCount = 0;
const sal_Unicode *pRun = rLine.GetBuffer();
while( *pRun )
{
while( *pRun && isSpace( *pRun ) )
pRun++;
if( ! *pRun )
break;
while( *pRun && ! isSpace( *pRun ) )
{
if( *pRun == '\\' )
{
// escapement
pRun++;
if( *pRun )
pRun++;
}
else if( *pRun == '`' )
{
do pRun++; while( *pRun && *pRun != '`' );
if( *pRun )
pRun++;
}
else if( *pRun == '\'' )
{
do pRun++; while( *pRun && *pRun != '\'' );
if( *pRun )
pRun++;
}
else if( *pRun == '"' )
{
do pRun++; while( *pRun && *pRun != '"' );
if( *pRun )
pRun++;
}
else
pRun++;
}
nTokenCount++;
}
return nTokenCount;
}
int GetCommandLineTokenCount( const ByteString& rLine )
{
if( ! rLine.Len() )
return 0;
int nTokenCount = 0;
const char *pRun = rLine.GetBuffer();
while( *pRun )
{
while( *pRun && isSpace( *pRun ) )
pRun++;
if( ! *pRun )
break;
while( *pRun && ! isSpace( *pRun ) )
{
if( *pRun == '\\' )
{
// escapement
pRun++;
if( *pRun )
pRun++;
}
else if( *pRun == '`' )
{
do pRun++; while( *pRun && *pRun != '`' );
if( *pRun )
pRun++;
}
else if( *pRun == '\'' )
{
do pRun++; while( *pRun && *pRun != '\'' );
if( *pRun )
pRun++;
}
else if( *pRun == '"' )
{
do pRun++; while( *pRun && *pRun != '"' );
if( *pRun )
pRun++;
}
else
pRun++;
}
nTokenCount++;
}
return nTokenCount;
}
String WhitespaceToSpace( const String& rLine, sal_Bool bProtect )
{
int nLen = rLine.Len();
if( ! nLen )
return String();
sal_Unicode *pBuffer = (sal_Unicode*)alloca( sizeof(sal_Unicode)*(nLen + 1) );
const sal_Unicode *pRun = rLine.GetBuffer();
sal_Unicode *pLeap = pBuffer;
while( *pRun )
{
if( *pRun && isSpace( *pRun ) )
{
*pLeap = ' ';
pLeap++;
pRun++;
}
while( *pRun && isSpace( *pRun ) )
pRun++;
while( *pRun && ! isSpace( *pRun ) )
{
if( *pRun == '\\' )
{
// escapement
pRun++;
*pLeap = *pRun;
pLeap++;
if( *pRun )
pRun++;
}
else if( bProtect && *pRun == '`' )
CopyUntil( pLeap, pRun, '`', sal_True );
else if( bProtect && *pRun == '\'' )
CopyUntil( pLeap, pRun, '\'', sal_True );
else if( bProtect && *pRun == '"' )
CopyUntil( pLeap, pRun, '"', sal_True );
else
{
*pLeap = *pRun;
++pLeap;
++pRun;
}
}
}
*pLeap = 0;
// there might be a space at beginning or end
pLeap--;
if( *pLeap == ' ' )
*pLeap = 0;
String aRet( *pBuffer == ' ' ? pBuffer+1 : pBuffer );
return aRet;
}
ByteString WhitespaceToSpace( const ByteString& rLine, sal_Bool bProtect )
{
int nLen = rLine.Len();
if( ! nLen )
return ByteString();
char *pBuffer = (char*)alloca( nLen + 1 );
const char *pRun = rLine.GetBuffer();
char *pLeap = pBuffer;
while( *pRun )
{
if( *pRun && isSpace( *pRun ) )
{
*pLeap = ' ';
pLeap++;
pRun++;
}
while( *pRun && isSpace( *pRun ) )
pRun++;
while( *pRun && ! isSpace( *pRun ) )
{
if( *pRun == '\\' )
{
// escapement
pRun++;
*pLeap = *pRun;
pLeap++;
if( *pRun )
pRun++;
}
else if( bProtect && *pRun == '`' )
CopyUntil( pLeap, pRun, '`', sal_True );
else if( bProtect && *pRun == '\'' )
CopyUntil( pLeap, pRun, '\'', sal_True );
else if( bProtect && *pRun == '"' )
CopyUntil( pLeap, pRun, '"', sal_True );
else
{
*pLeap = *pRun;
++pLeap;
++pRun;
}
}
}
*pLeap = 0;
// there might be a space at beginning or end
pLeap--;
if( *pLeap == ' ' )
*pLeap = 0;
ByteString aRet( *pBuffer == ' ' ? pBuffer+1 : pBuffer );
return aRet;
}
} // namespace