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libreoffice/svtools/source/misc/imap2.cxx
Noel Grandin 4a340e36e8 loplugin:constantparam 
add the results files so I can just see the diff in future

Change-Id: Ia20a1aa6418be95ed620719cde340c00b7b053e1
Reviewed-on: https://gerrit.libreoffice.org/37988
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2017-05-25 08:12:17 +02:00

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/* -*- 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 <comphelper/string.hxx>
#include <string.h>
#include <rtl/strbuf.hxx>
#include <vcl/svapp.hxx>
#include <tools/urlobj.hxx>
#include <vcl/wrkwin.hxx>
#include <sot/formats.hxx>
#include <svl/urihelper.hxx>
#include <svtools/imap.hxx>
#include <svtools/imapobj.hxx>
#include <svtools/imaprect.hxx>
#include <svtools/imapcirc.hxx>
#include <svtools/imappoly.hxx>
#include <math.h>
#define NOTEOL(c) ((c)!='\0')
void IMapObject::AppendCERNCoords(OStringBuffer& rBuf, const Point& rPoint100)
{
const Point aPixPt( Application::GetDefaultDevice()->LogicToPixel( rPoint100, MapMode( MapUnit::Map100thMM ) ) );
rBuf.append('(');
rBuf.append(static_cast<sal_Int32>(aPixPt.X()));
rBuf.append(',');
rBuf.append(static_cast<sal_Int32>(aPixPt.Y()));
rBuf.append(") ");
}
void IMapObject::AppendNCSACoords(OStringBuffer& rBuf, const Point& rPoint100)
{
const Point aPixPt( Application::GetDefaultDevice()->LogicToPixel( rPoint100, MapMode( MapUnit::Map100thMM ) ) );
rBuf.append(static_cast<sal_Int32>(aPixPt.X()));
rBuf.append(',');
rBuf.append(static_cast<sal_Int32>(aPixPt.Y()));
rBuf.append(' ');
}
void IMapObject::AppendCERNURL(OStringBuffer& rBuf, const OUString& rBaseURL) const
{
rBuf.append(OUStringToOString(URIHelper::simpleNormalizedMakeRelative(rBaseURL, aURL), osl_getThreadTextEncoding()));
}
void IMapObject::AppendNCSAURL(OStringBuffer& rBuf, const OUString& rBaseURL) const
{
rBuf.append(OUStringToOString(URIHelper::simpleNormalizedMakeRelative(rBaseURL, aURL), osl_getThreadTextEncoding()));
rBuf.append(' ');
}
void IMapRectangleObject::WriteCERN( SvStream& rOStm ) const
{
OStringBuffer aStrBuf("rectangle ");
AppendCERNCoords(aStrBuf, aRect.TopLeft());
AppendCERNCoords(aStrBuf, aRect.BottomRight());
AppendCERNURL(aStrBuf, "");
rOStm.WriteLine(aStrBuf.makeStringAndClear());
}
void IMapRectangleObject::WriteNCSA( SvStream& rOStm ) const
{
OStringBuffer aStrBuf("rect ");
AppendNCSAURL(aStrBuf, "");
AppendNCSACoords(aStrBuf, aRect.TopLeft());
AppendNCSACoords(aStrBuf, aRect.BottomRight());
rOStm.WriteLine(aStrBuf.makeStringAndClear());
}
void IMapCircleObject::WriteCERN( SvStream& rOStm ) const
{
OStringBuffer aStrBuf("circle ");
AppendCERNCoords(aStrBuf, aCenter);
aStrBuf.append(nRadius);
aStrBuf.append(' ');
AppendCERNURL(aStrBuf, "");
rOStm.WriteLine(aStrBuf.makeStringAndClear());
}
void IMapCircleObject::WriteNCSA( SvStream& rOStm ) const
{
OStringBuffer aStrBuf("circle ");
AppendNCSAURL(aStrBuf, "");
AppendNCSACoords(aStrBuf, aCenter);
AppendNCSACoords(aStrBuf, aCenter + Point(nRadius, 0));
rOStm.WriteLine(aStrBuf.makeStringAndClear());
}
void IMapPolygonObject::WriteCERN( SvStream& rOStm ) const
{
OStringBuffer aStrBuf("polygon ");
const sal_uInt16 nCount = aPoly.GetSize();
for (sal_uInt16 i = 0; i < nCount; ++i)
AppendCERNCoords(aStrBuf, aPoly[i]);
AppendCERNURL(aStrBuf, "");
rOStm.WriteLine(aStrBuf.makeStringAndClear());
}
void IMapPolygonObject::WriteNCSA( SvStream& rOStm ) const
{
OStringBuffer aStrBuf("poly ");
const sal_uInt16 nCount = std::min( aPoly.GetSize(), (sal_uInt16) 100 );
AppendNCSAURL(aStrBuf, "");
for (sal_uInt16 i = 0; i < nCount; ++i)
AppendNCSACoords(aStrBuf, aPoly[i]);
rOStm.WriteLine(aStrBuf.makeStringAndClear());
}
void ImageMap::Write( SvStream& rOStm, sal_uLong nFormat ) const
{
switch( nFormat )
{
case IMAP_FORMAT_BIN : Write( rOStm ); break;
case IMAP_FORMAT_CERN : ImpWriteCERN( rOStm ); break;
case IMAP_FORMAT_NCSA : ImpWriteNCSA( rOStm ); break;
default:
break;
}
}
void ImageMap::ImpWriteCERN( SvStream& rOStm ) const
{
size_t nCount = maList.size();
for ( size_t i = 0; i < nCount; i++ )
{
IMapObject* pObj = maList[ i ];
switch( pObj->GetType() )
{
case IMAP_OBJ_RECTANGLE:
static_cast<IMapRectangleObject*>( pObj )->WriteCERN( rOStm );
break;
case IMAP_OBJ_CIRCLE:
static_cast<IMapCircleObject*>( pObj )->WriteCERN( rOStm );
break;
case IMAP_OBJ_POLYGON:
static_cast<IMapPolygonObject*>( pObj )->WriteCERN( rOStm );
break;
default:
break;
}
}
}
void ImageMap::ImpWriteNCSA( SvStream& rOStm ) const
{
size_t nCount = maList.size();
for ( size_t i = 0; i < nCount; i++ )
{
IMapObject* pObj = maList[ i ];
switch( pObj->GetType() )
{
case IMAP_OBJ_RECTANGLE:
static_cast<IMapRectangleObject*>( pObj )->WriteNCSA( rOStm );
break;
case IMAP_OBJ_CIRCLE:
static_cast<IMapCircleObject*>( pObj )->WriteNCSA( rOStm );
break;
case IMAP_OBJ_POLYGON:
static_cast<IMapPolygonObject*>( pObj )->WriteNCSA( rOStm );
break;
default:
break;
}
}
}
sal_uLong ImageMap::Read( SvStream& rIStm, sal_uLong nFormat )
{
sal_uLong nRet = IMAP_ERR_FORMAT;
if ( nFormat == IMAP_FORMAT_DETECT )
nFormat = ImpDetectFormat( rIStm );
switch ( nFormat )
{
case IMAP_FORMAT_BIN : Read( rIStm ); break;
case IMAP_FORMAT_CERN : nRet = ImpReadCERN( rIStm ); break;
case IMAP_FORMAT_NCSA : nRet = ImpReadNCSA( rIStm ); break;
default:
break;
}
if ( !rIStm.GetError() )
nRet = IMAP_ERR_OK;
return nRet;
}
sal_uLong ImageMap::ImpReadCERN( SvStream& rIStm )
{
// delete old content
ClearImageMap();
OString aStr;
while ( rIStm.ReadLine( aStr ) )
ImpReadCERNLine( aStr );
return IMAP_ERR_OK;
}
void ImageMap::ImpReadCERNLine( const OString& rLine )
{
OString aStr = comphelper::string::stripStart(rLine, ' ');
aStr = comphelper::string::stripStart(aStr, '\t');
aStr = aStr.replaceAll(";", "");
aStr = aStr.toAsciiLowerCase();
const char* pStr = aStr.getStr();
char cChar = *pStr++;
// find instruction
OStringBuffer aBuf;
while( ( cChar >= 'a' ) && ( cChar <= 'z' ) && NOTEOL( cChar ) )
{
aBuf.append(cChar);
cChar = *pStr++;
}
OString aToken = aBuf.makeStringAndClear();
if ( NOTEOL( cChar ) )
{
if ( ( aToken == "rectangle" ) || ( aToken == "rect" ) )
{
const Point aTopLeft( ImpReadCERNCoords( &pStr ) );
const Point aBottomRight( ImpReadCERNCoords( &pStr ) );
const OUString aURL( ImpReadCERNURL( &pStr, "" ) );
const tools::Rectangle aRect( aTopLeft, aBottomRight );
IMapRectangleObject* pObj = new IMapRectangleObject( aRect, aURL, OUString(), OUString(), OUString(), OUString() );
maList.push_back( pObj );
}
else if ( ( aToken == "circle" ) || ( aToken == "circ" ) )
{
const Point aCenter( ImpReadCERNCoords( &pStr ) );
const long nRadius = ImpReadCERNRadius( &pStr );
const OUString aURL( ImpReadCERNURL( &pStr, "" ) );
IMapCircleObject* pObj = new IMapCircleObject( aCenter, nRadius, aURL, OUString(), OUString(), OUString(), OUString() );
maList.push_back( pObj );
}
else if ( ( aToken == "polygon" ) || ( aToken == "poly" ) )
{
const sal_uInt16 nCount = comphelper::string::getTokenCount(aStr, '(') - 1;
tools::Polygon aPoly( nCount );
OUString aURL;
for ( sal_uInt16 i = 0; i < nCount; i++ )
aPoly[ i ] = ImpReadCERNCoords( &pStr );
aURL = ImpReadCERNURL( &pStr, "" );
IMapPolygonObject* pObj = new IMapPolygonObject( aPoly, aURL, OUString(), OUString(), OUString(), OUString() );
maList.push_back( pObj );
}
}
}
Point ImageMap::ImpReadCERNCoords( const char** ppStr )
{
OUStringBuffer aStrX;
OUStringBuffer aStrY;
Point aPt;
char cChar = *(*ppStr)++;
while( NOTEOL( cChar ) && ( ( cChar < '0' ) || ( cChar > '9' ) ) )
cChar = *(*ppStr)++;
if ( NOTEOL( cChar ) )
{
while( NOTEOL( cChar ) && ( cChar >= '0' ) && ( cChar <= '9' ) )
{
aStrX.append( cChar );
cChar = *(*ppStr)++;
}
if ( NOTEOL( cChar ) )
{
while( NOTEOL( cChar ) && ( ( cChar < '0' ) || ( cChar > '9' ) ) )
cChar = *(*ppStr)++;
while( NOTEOL( cChar ) && ( cChar >= '0' ) && ( cChar <= '9' ) )
{
aStrY.append( cChar );
cChar = *(*ppStr)++;
}
if ( NOTEOL( cChar ) )
while( NOTEOL( cChar ) && ( cChar != ')' ) )
cChar = *(*ppStr)++;
aPt = Point( aStrX.makeStringAndClear().toInt32(), aStrY.makeStringAndClear().toInt32() );
}
}
return aPt;
}
long ImageMap::ImpReadCERNRadius( const char** ppStr )
{
OUStringBuffer aStr;
char cChar = *(*ppStr)++;
while( NOTEOL( cChar ) && ( ( cChar < '0' ) || ( cChar > '9' ) ) )
cChar = *(*ppStr)++;
if ( NOTEOL( cChar ) )
{
while( NOTEOL( cChar ) && ( cChar >= '0' ) && ( cChar <= '9' ) )
{
aStr.append( cChar );
cChar = *(*ppStr)++;
}
}
return aStr.makeStringAndClear().toInt32();
}
OUString ImageMap::ImpReadCERNURL( const char** ppStr, const OUString& rBaseURL )
{
OUString aStr(OUString::createFromAscii(*ppStr));
aStr = comphelper::string::stripStart(aStr, ' ');
aStr = comphelper::string::stripStart(aStr, '\t');
aStr = comphelper::string::stripEnd(aStr, ' ');
aStr = comphelper::string::stripEnd(aStr, '\t');
return INetURLObject::GetAbsURL( rBaseURL, aStr );
}
sal_uLong ImageMap::ImpReadNCSA( SvStream& rIStm )
{
// delete old content
ClearImageMap();
OString aStr;
while ( rIStm.ReadLine( aStr ) )
ImpReadNCSALine( aStr );
return IMAP_ERR_OK;
}
void ImageMap::ImpReadNCSALine( const OString& rLine )
{
OString aStr = comphelper::string::stripStart(rLine, ' ');
aStr = comphelper::string::stripStart(aStr, '\t');
aStr = aStr.replaceAll(";", "");
aStr = aStr.toAsciiLowerCase();
const char* pStr = aStr.getStr();
char cChar = *pStr++;
// find instruction
OStringBuffer aBuf;
while( ( cChar >= 'a' ) && ( cChar <= 'z' ) && NOTEOL( cChar ) )
{
aBuf.append(cChar);
cChar = *pStr++;
}
OString aToken = aBuf.makeStringAndClear();
if ( NOTEOL( cChar ) )
{
if ( aToken == "rect" )
{
const OUString aURL( ImpReadNCSAURL( &pStr, "" ) );
const Point aTopLeft( ImpReadNCSACoords( &pStr ) );
const Point aBottomRight( ImpReadNCSACoords( &pStr ) );
const tools::Rectangle aRect( aTopLeft, aBottomRight );
IMapRectangleObject* pObj = new IMapRectangleObject( aRect, aURL, OUString(), OUString(), OUString(), OUString() );
maList.push_back( pObj );
}
else if ( aToken == "circle" )
{
const OUString aURL( ImpReadNCSAURL( &pStr, "" ) );
const Point aCenter( ImpReadNCSACoords( &pStr ) );
const Point aDX( aCenter - ImpReadNCSACoords( &pStr ) );
long nRadius = (long) sqrt( (double) aDX.X() * aDX.X() +
(double) aDX.Y() * aDX.Y() );
IMapCircleObject* pObj = new IMapCircleObject( aCenter, nRadius, aURL, OUString(), OUString(), OUString(), OUString() );
maList.push_back( pObj );
}
else if ( aToken == "poly" )
{
const sal_uInt16 nCount = comphelper::string::getTokenCount(aStr,
',') - 1;
const OUString aURL( ImpReadNCSAURL( &pStr, "" ) );
tools::Polygon aPoly( nCount );
for ( sal_uInt16 i = 0; i < nCount; i++ )
aPoly[ i ] = ImpReadNCSACoords( &pStr );
IMapPolygonObject* pObj = new IMapPolygonObject( aPoly, aURL, OUString(), OUString(), OUString(), OUString() );
maList.push_back( pObj );
}
}
}
OUString ImageMap::ImpReadNCSAURL( const char** ppStr, const OUString& rBaseURL )
{
OUStringBuffer aStr;
char cChar = *(*ppStr)++;
while( NOTEOL( cChar ) && ( ( cChar == ' ' ) || ( cChar == '\t' ) ) )
cChar = *(*ppStr)++;
if ( NOTEOL( cChar ) )
{
while( NOTEOL( cChar ) && ( cChar != ' ' ) && ( cChar != '\t' ) )
{
aStr.append( cChar );
cChar = *(*ppStr)++;
}
}
return INetURLObject::GetAbsURL( rBaseURL, aStr.makeStringAndClear() );
}
Point ImageMap::ImpReadNCSACoords( const char** ppStr )
{
OUStringBuffer aStrX;
OUStringBuffer aStrY;
Point aPt;
char cChar = *(*ppStr)++;
while( NOTEOL( cChar ) && ( ( cChar < '0' ) || ( cChar > '9' ) ) )
cChar = *(*ppStr)++;
if ( NOTEOL( cChar ) )
{
while( NOTEOL( cChar ) && ( cChar >= '0' ) && ( cChar <= '9' ) )
{
aStrX.append( cChar );
cChar = *(*ppStr)++;
}
if ( NOTEOL( cChar ) )
{
while( NOTEOL( cChar ) && ( ( cChar < '0' ) || ( cChar > '9' ) ) )
cChar = *(*ppStr)++;
while( NOTEOL( cChar ) && ( cChar >= '0' ) && ( cChar <= '9' ) )
{
aStrY.append( cChar );
cChar = *(*ppStr)++;
}
aPt = Point( aStrX.makeStringAndClear().toInt32(), aStrY.makeStringAndClear().toInt32() );
}
}
return aPt;
}
sal_uLong ImageMap::ImpDetectFormat( SvStream& rIStm )
{
sal_uInt64 nPos = rIStm.Tell();
sal_uLong nRet = IMAP_FORMAT_BIN;
char cMagic[6];
rIStm.ReadBytes(cMagic, sizeof(cMagic));
// if we do not have an internal formats
// we check the format
if ( memcmp( cMagic, IMAPMAGIC, sizeof( cMagic ) ) )
{
long nCount = 128;
rIStm.Seek( nPos );
OString aStr;
while ( rIStm.ReadLine( aStr ) && nCount-- )
{
aStr = aStr.toAsciiLowerCase();
if ( (aStr.indexOf("rect") != -1) ||
(aStr.indexOf("circ") != -1) ||
(aStr.indexOf("poly") != -1) )
{
if ( ( aStr.indexOf('(') != -1 ) &&
( aStr.indexOf(')') != -1 ) )
{
nRet = IMAP_FORMAT_CERN;
}
else
nRet = IMAP_FORMAT_NCSA;
break;
}
}
}
rIStm.Seek( nPos );
return nRet;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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