kicad/common/lib_id.cpp

275 lines
5.9 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2010 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2012 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 2010-2020 KiCad Developers, see change_log.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <cstring>
#include <memory>
#include <wx/translation.h>
#include <macros.h> // TO_UTF8()
#include <lib_id.h>
static inline int okLogical( const UTF8& aField )
{
// std::string::npos is largest positive number, casting to int makes it -1.
// Returning that means success.
return int( aField.find_first_of( ":" ) );
}
void LIB_ID::clear()
{
m_libraryName.clear();
m_itemName.clear();
m_subLibraryName.clear();
}
int LIB_ID::Parse( const UTF8& aId, bool aFix )
{
clear();
size_t partNdx;
int offset = -1;
//=====<library nickname>=============================
if( ( partNdx = aId.find( ':' ) ) != aId.npos )
{
offset = SetLibNickname( aId.substr( 0, partNdx ) );
if( offset > -1 )
return offset;
++partNdx; // skip ':'
}
else
{
partNdx = 0;
}
//=====<item name>====================================
UTF8 fpname = aId.substr( partNdx );
// Be sure the item name is valid.
// Some chars can be found in legacy files converted files from other EDA tools.
if( aFix )
fpname = FixIllegalChars( fpname, false );
else
offset = HasIllegalChars( fpname );
if( offset > -1 )
return offset;
SetLibItemName( fpname );
return -1;
}
LIB_ID::LIB_ID( const wxString& aLibraryName, const wxString& aItemName ) :
m_libraryName( aLibraryName ),
m_itemName( aItemName )
{
}
int LIB_ID::SetLibNickname( const UTF8& aLogical )
{
int offset = okLogical( aLogical );
if( offset == -1 )
m_libraryName = aLogical;
return offset;
}
int LIB_ID::SetLibItemName( const UTF8& aLibItemName )
{
m_itemName = aLibItemName;
return -1;
}
UTF8 LIB_ID::Format() const
{
UTF8 ret;
if( m_libraryName.size() )
{
ret += m_libraryName;
ret += ':';
}
ret += m_itemName;
return ret;
}
UTF8 LIB_ID::Format( const UTF8& aLibraryName, const UTF8& aLibItemName )
{
UTF8 ret;
int offset;
if( aLibraryName.size() )
{
offset = okLogical( aLibraryName );
if( offset != -1 )
{
THROW_PARSE_ERROR( _( "Illegal character found in logical library name" ),
wxString::FromUTF8( aLibraryName.c_str() ), aLibraryName.c_str(),
0, offset );
}
ret += aLibraryName;
ret += ':';
}
ret += aLibItemName; // TODO: Add validity test.
return ret;
}
int LIB_ID::compare( const LIB_ID& aLibId ) const
{
// Don't bother comparing the same object.
if( this == &aLibId )
return 0;
int retv = m_libraryName.compare( aLibId.m_libraryName );
if( retv != 0 )
return retv;
return m_itemName.compare( aLibId.m_itemName );
}
int LIB_ID::HasIllegalChars( const UTF8& aLibItemName )
{
int offset = 0;
for( auto& ch : aLibItemName )
{
if( !isLegalChar( ch ) )
return offset;
else
++offset;
}
return -1;
}
UTF8 LIB_ID::FixIllegalChars( const UTF8& aLibItemName, bool aLib )
{
UTF8 fixedName;
for( UTF8::uni_iter chIt = aLibItemName.ubegin(); chIt < aLibItemName.uend(); ++chIt )
{
auto ch = *chIt;
if( aLib )
fixedName += isLegalLibraryNameChar( ch ) ? ch : '_';
else
fixedName += isLegalChar( ch ) ? ch : '_';
}
return fixedName;
}
bool LIB_ID::isLegalChar( unsigned aUniChar )
{
bool const space_allowed = true;
bool const illegal_filename_chars_allowed = false;
if( aUniChar < ' ' )
return false;
// This list of characters is also duplicated in validators.cpp and footprint.cpp
// TODO: Unify forbidden character lists - Warning, invalid filename characters are not the same
// as invalid LIB_ID characters. We will need to separate the FP filenames from FP names before this
// can be unified
switch( aUniChar )
{
case ':':
case '\t':
case '\n':
case '\r':
return false;
case '\\':
case '<':
case '>':
case '"':
return illegal_filename_chars_allowed;
case ' ':
return space_allowed;
default:
return true;
}
}
unsigned LIB_ID::FindIllegalLibraryNameChar( const UTF8& aLibraryName )
{
for( unsigned ch : aLibraryName )
{
if( !isLegalLibraryNameChar( ch ) )
return ch;
}
return 0;
}
bool LIB_ID::isLegalLibraryNameChar( unsigned aUniChar )
{
bool const space_allowed = true;
if( aUniChar < ' ' )
return false;
switch( aUniChar )
{
case '\\':
case ':':
return false;
case ' ':
return space_allowed;
default:
return true;
}
}