416f672b9d
V560 A part of conditional expression is always true: pRun != pEnd. V560 A part of conditional expression is always true: pRun != pEnd. Change-Id: I1a99ae31346177bed731e26e883720efa018bcbc Reviewed-on: https://gerrit.libreoffice.org/c/core/+/175451 Tested-by: Jenkins Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
382 lines
9.6 KiB
C++
382 lines
9.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* 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 .
|
|
*/
|
|
|
|
#include <strhelper.hxx>
|
|
|
|
namespace {
|
|
|
|
bool isSpace( sal_Unicode cChar )
|
|
{
|
|
return
|
|
cChar == ' ' || cChar == '\t' ||
|
|
cChar == '\r' || cChar == '\n' ||
|
|
cChar == 0x0c || cChar == 0x0b;
|
|
}
|
|
|
|
bool isProtect( sal_Unicode cChar )
|
|
{
|
|
return cChar == '`' || cChar == '\'' || cChar == '"';
|
|
}
|
|
|
|
void CopyUntil( char*& pTo, const char*& pFrom, char cUntil, bool bIncludeUntil = false )
|
|
{
|
|
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++;
|
|
}
|
|
|
|
void CopyUntil( sal_Unicode*& pTo, const sal_Unicode*& pFrom, sal_Unicode cUntil, bool bIncludeUntil = false )
|
|
{
|
|
do
|
|
{
|
|
if( *pFrom == '\\' )
|
|
{
|
|
pFrom++;
|
|
if( *pFrom )
|
|
{
|
|
*pTo = *pFrom;
|
|
pTo++;
|
|
}
|
|
}
|
|
else if( bIncludeUntil || ! isProtect( *pFrom ) )
|
|
{
|
|
*pTo = *pFrom;
|
|
pTo++;
|
|
}
|
|
if( *pFrom )
|
|
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++;
|
|
}
|
|
|
|
}
|
|
|
|
namespace psp {
|
|
|
|
OUString GetCommandLineToken( int nToken, const OUString& rLine )
|
|
{
|
|
sal_Int32 nLen = rLine.getLength();
|
|
if( ! nLen )
|
|
return OUString();
|
|
|
|
int nActualToken = 0;
|
|
sal_Unicode* pBuffer = static_cast<sal_Unicode*>(alloca( sizeof(sal_Unicode)*( nLen + 1 ) ));
|
|
const sal_Unicode* pRun = rLine.getStr();
|
|
sal_Unicode* pLeap = nullptr;
|
|
|
|
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++;
|
|
}
|
|
|
|
assert(pLeap && "otherwise would early return");
|
|
*pLeap = 0;
|
|
|
|
return OUString(pBuffer);
|
|
}
|
|
|
|
OString GetCommandLineToken(int nToken, const OString& rLine)
|
|
{
|
|
sal_Int32 nLen = rLine.getLength();
|
|
if (!nLen)
|
|
return rLine;
|
|
|
|
int nActualToken = 0;
|
|
char* pBuffer = static_cast<char*>(alloca( nLen + 1 ));
|
|
const char* pRun = rLine.getStr();
|
|
char* pLeap = nullptr;
|
|
|
|
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++;
|
|
}
|
|
|
|
assert(pLeap && "otherwise would early return");
|
|
*pLeap = 0;
|
|
|
|
return pBuffer;
|
|
}
|
|
|
|
int GetCommandLineTokenCount(const OUString& rLine)
|
|
{
|
|
if (rLine.isEmpty())
|
|
return 0;
|
|
|
|
int nTokenCount = 0;
|
|
const sal_Unicode *pRun = rLine.getStr();
|
|
|
|
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;
|
|
}
|
|
|
|
OUString WhitespaceToSpace( std::u16string_view rLine )
|
|
{
|
|
size_t nLen = rLine.size();
|
|
if( ! nLen )
|
|
return OUString();
|
|
|
|
sal_Unicode *pBuffer = static_cast<sal_Unicode*>(alloca( sizeof(sal_Unicode)*(nLen + 1) ));
|
|
const sal_Unicode *pRun = rLine.data();
|
|
const sal_Unicode * const pEnd = rLine.data() + rLine.size();
|
|
sal_Unicode *pLeap = pBuffer;
|
|
|
|
while( pRun != pEnd )
|
|
{
|
|
if( isSpace( *pRun ) )
|
|
{
|
|
*pLeap = ' ';
|
|
pLeap++;
|
|
pRun++;
|
|
}
|
|
while( pRun != pEnd && isSpace( *pRun ) )
|
|
pRun++;
|
|
while( pRun != pEnd && ! isSpace( *pRun ) )
|
|
{
|
|
if( *pRun == '\\' )
|
|
{
|
|
// escapement
|
|
pRun++;
|
|
*pLeap = *pRun;
|
|
pLeap++;
|
|
if( pRun != pEnd )
|
|
pRun++;
|
|
}
|
|
else if( *pRun == '`' )
|
|
CopyUntil( pLeap, pRun, '`', true );
|
|
else if( *pRun == '\'' )
|
|
CopyUntil( pLeap, pRun, '\'', true );
|
|
else if( *pRun == '"' )
|
|
CopyUntil( pLeap, pRun, '"', true );
|
|
else
|
|
{
|
|
*pLeap = *pRun;
|
|
++pLeap;
|
|
++pRun;
|
|
}
|
|
}
|
|
}
|
|
|
|
*pLeap = 0;
|
|
|
|
// there might be a space at beginning or end
|
|
if (pLeap > pBuffer)
|
|
{
|
|
pLeap--;
|
|
if( *pLeap == ' ' )
|
|
*pLeap = 0;
|
|
}
|
|
|
|
return OUString(*pBuffer == ' ' ? pBuffer+1 : pBuffer);
|
|
}
|
|
|
|
OString WhitespaceToSpace(std::string_view rLine)
|
|
{
|
|
size_t nLen = rLine.size();
|
|
if (!nLen)
|
|
return OString();
|
|
|
|
char *pBuffer = static_cast<char*>(alloca( nLen + 1 ));
|
|
const char *pRun = rLine.data();
|
|
const char * const pEnd = rLine.data() + rLine.size();
|
|
char *pLeap = pBuffer;
|
|
|
|
while( pRun != pEnd )
|
|
{
|
|
if( isSpace( *pRun ) )
|
|
{
|
|
*pLeap = ' ';
|
|
pLeap++;
|
|
pRun++;
|
|
}
|
|
while( pRun != pEnd && isSpace( *pRun ) )
|
|
pRun++;
|
|
while( pRun != pEnd && ! isSpace( *pRun ) )
|
|
{
|
|
if( *pRun == '\\' )
|
|
{
|
|
// escapement
|
|
pRun++;
|
|
*pLeap = *pRun;
|
|
pLeap++;
|
|
if( pRun != pEnd )
|
|
pRun++;
|
|
}
|
|
else if( *pRun == '`' )
|
|
CopyUntil( pLeap, pRun, '`', true );
|
|
else if( *pRun == '\'' )
|
|
CopyUntil( pLeap, pRun, '\'', true );
|
|
else if( *pRun == '"' )
|
|
CopyUntil( pLeap, pRun, '"', true );
|
|
else
|
|
{
|
|
*pLeap = *pRun;
|
|
++pLeap;
|
|
++pRun;
|
|
}
|
|
}
|
|
}
|
|
|
|
*pLeap = 0;
|
|
|
|
// there might be a space at beginning or end
|
|
assert(pLeap > pBuffer);
|
|
pLeap--;
|
|
#if defined(__GNUC__) && (__GNUC__ == 12 || __GNUC__ == 13 || __GNUC__ == 14)
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
|
|
#endif
|
|
if( *pLeap == ' ' )
|
|
*pLeap = 0;
|
|
#if defined(__GNUC__) && (__GNUC__ == 12 || __GNUC__ == 13 || __GNUC__ == 14)
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
return *pBuffer == ' ' ? pBuffer+1 : pBuffer;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|