kicad/common/lib_id.cpp

467 lines
9.9 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/wx.h> // _()
#include <macros.h> // TO_UTF8()
#include <lib_id.h>
#include <kicad_string.h>
static inline bool isDigit( char c )
{
return c >= '0' && c <= '9';
}
const char* EndsWithRev( const char* start, const char* tail, char separator )
{
bool sawDigit = false;
while( tail > start && isDigit( *--tail ) )
{
sawDigit = true;
}
// if sawDigit, tail points to the 'v' here.
if( sawDigit && tail-3 >= start )
{
tail -= 3;
if( tail[0]==separator && tail[1]=='r' && tail[2]=='e' && tail[3]=='v' )
{
return tail+1; // omit separator, return "revN[N..]"
}
}
return 0;
}
#if 0 // Not used
int RevCmp( const char* s1, const char* s2 )
{
int r = strncmp( s1, s2, 3 );
if( r || strlen(s1)<4 || strlen(s2)<4 )
{
return r;
}
int rnum1 = atoi( s1+3 );
int rnum2 = atoi( s2+3 );
return -(rnum1 - rnum2); // swap the sign, higher revs first
}
#endif
//----<Policy and field test functions>-------------------------------------
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( ":" ) );
}
static int okRevision( const UTF8& aField )
{
char rev[32]; // C string for speed
if( aField.size() >= 4 )
{
strncpy( rev, "x/", sizeof( rev ) );
strncat( rev, aField.c_str(), sizeof(rev)-strlen(rev)-1 );
if( EndsWithRev( rev, rev + strlen(rev), '/' ) == rev+2 )
return -1; // success
}
return 0; // first character position "is in error", is best we can do.
}
//----</Policy and field test functions>-------------------------------------
void LIB_ID::clear()
{
nickname.clear();
item_name.clear();
revision.clear();
}
int LIB_ID::Parse( const UTF8& aId, LIB_ID_TYPE aType, bool aFix )
{
clear();
const char* buffer = aId.c_str();
const char* rev = EndsWithRev( buffer, buffer+aId.length(), '/' );
size_t revNdx;
size_t partNdx;
int offset = -1;
//=====<revision>=========================================
// in a LIB_ID like discret:R3/rev4
if( rev )
{
revNdx = rev - buffer;
// no need to check revision, EndsWithRev did that.
revision = aId.substr( revNdx );
--revNdx; // back up to omit the '/' which precedes the rev
}
else
{
revNdx = aId.size();
}
//=====<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>====================================
if( partNdx >= revNdx )
return partNdx; // Error: no library item name.
UTF8 fpname = aId.substr( partNdx, revNdx-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, aType, false );
else
offset = HasIllegalChars( fpname, aType );
if( offset > -1 )
return offset;
SetLibItemName( fpname );
return -1;
}
LIB_ID::LIB_ID( const wxString& aLibName, const wxString& aLibItemName,
const wxString& aRevision ) :
nickname( aLibName ),
item_name( aLibItemName ),
revision( aRevision )
{
}
int LIB_ID::SetLibNickname( const UTF8& aLogical )
{
int offset = okLogical( aLogical );
if( offset == -1 )
{
nickname = aLogical;
}
return offset;
}
int LIB_ID::SetLibItemName( const UTF8& aLibItemName, bool aTestForRev )
{
int separation = int( aLibItemName.find_first_of( "/" ) );
if( aTestForRev && separation != -1 )
{
item_name = aLibItemName.substr( 0, separation-1 );
return separation;
}
else
{
item_name = aLibItemName;
}
return -1;
}
int LIB_ID::SetRevision( const UTF8& aRevision )
{
int offset = okRevision( aRevision );
if( offset == -1 )
{
revision = aRevision;
}
return offset;
}
UTF8 LIB_ID::Format() const
{
UTF8 ret;
if( nickname.size() )
{
ret += nickname;
ret += ':';
}
ret += item_name;
if( revision.size() )
{
ret += '/';
ret += revision;
}
return ret;
}
UTF8 LIB_ID::GetLibItemNameAndRev() const
{
UTF8 ret;
if( revision.size() )
{
ret += '/';
ret += revision;
}
return ret;
}
UTF8 LIB_ID::Format( const UTF8& aLogicalLib, const UTF8& aLibItemName, const UTF8& aRevision )
{
UTF8 ret;
int offset;
if( aLogicalLib.size() )
{
offset = okLogical( aLogicalLib );
if( offset != -1 )
{
THROW_PARSE_ERROR( _( "Illegal character found in logical library name" ),
wxString::FromUTF8( aLogicalLib.c_str() ),
aLogicalLib.c_str(), 0, offset );
}
ret += aLogicalLib;
ret += ':';
}
ret += aLibItemName; // TODO: Add validity test.
if( aRevision.size() )
{
offset = okRevision( aRevision );
if( offset != -1 )
{
THROW_PARSE_ERROR( _( "Illegal character found in revision" ),
wxString::FromUTF8( aRevision.c_str() ),
aRevision.c_str(),
0,
offset );
}
ret += '/';
ret += aRevision;
}
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 = nickname.compare( aLibId.nickname );
if( retv != 0 )
return retv;
retv = item_name.compare( aLibId.item_name );
if( retv != 0 )
return retv;
return revision.compare( aLibId.revision );
}
int LIB_ID::HasIllegalChars( const UTF8& aLibItemName, LIB_ID_TYPE aType )
{
int offset = 0;
for( auto ch : aLibItemName )
{
if( !isLegalChar( ch, aType ) )
return offset;
else
++offset;
}
return -1;
}
UTF8 LIB_ID::FixIllegalChars( const UTF8& aLibItemName, LIB_ID_TYPE aType, bool aLib )
{
UTF8 fixedName;
for( UTF8::uni_iter chIt = aLibItemName.ubegin(); chIt < aLibItemName.uend(); ++chIt )
{
auto ch = *chIt;
if( aLib )
fixedName += isLegalLibNicknameChar( ch, aType ) ? ch : '_';
else
fixedName += isLegalChar( ch, aType ) ? ch : '_';
}
return fixedName;
}
bool LIB_ID::isLegalChar( unsigned aUniChar, LIB_ID_TYPE aType )
{
bool const space_allowed = ( aType == ID_PCB );
bool const illegal_filename_chars_allowed = ( aType == ID_SCH );
if( aUniChar < ' ' )
return false;
// This list of characters is also duplicated in validators.cpp and
// class_module.cpp
// TODO: Unify forbidden character lists
switch( aUniChar )
{
case ':':
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::FindIllegalLibNicknameChar( const UTF8& aNickname, LIB_ID_TYPE aType )
{
for( unsigned ch : aNickname )
{
if( !isLegalLibNicknameChar( ch, aType ) )
return ch;
}
return 0;
}
bool LIB_ID::isLegalLibNicknameChar( unsigned aUniChar, LIB_ID_TYPE aType )
{
bool const space_allowed = ( aType != ID_SCH );
if( aUniChar < ' ' )
return false;
switch( aUniChar )
{
case '\\':
case ':':
return false;
case ' ':
return space_allowed;
default:
return true;
}
}
#if 0
// @todo Move this test into the unit test framework.
void LIB_ID::Test()
{
static const char* lpids[] = {
"smt:R_0805/rev0",
"mysmt:R_0805/rev2",
"device:AXIAL-0500",
};
for( unsigned i=0; i<sizeof(lpids)/sizeof(lpids[0]); ++i )
{
// test some round tripping
LIB_ID lpid( lpids[i] ); // parse
// format
printf( "input:'%s' full:'%s' nickname: %s item_name:'%s' rev:'%s'\n",
lpids[i],
lpid.Format().c_str(),
lpid.GetLibNickname().c_str(),
lpid.GetLibItemName().c_str(),
lpid.GetRevision().c_str() );
}
}
#endif