502 lines
11 KiB
C++
502 lines
11 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2010 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2010 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <cstring>
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#include <wx/wx.h> // _()
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#include <sch_lpid.h>
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using namespace SCH;
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static inline bool isDigit( char c )
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{
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return c >= '0' && c <= '9';
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}
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const char* EndsWithRev( const char* start, const char* tail, char separator )
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{
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bool sawDigit = false;
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while( tail > start && isDigit( *--tail ) )
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{
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sawDigit = true;
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}
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// if sawDigit, tail points to the 'v' here.
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if( sawDigit && tail-3 >= start )
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{
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tail -= 3;
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if( tail[0]==separator && tail[1]=='r' && tail[2]=='e' && tail[3]=='v' )
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{
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return tail+1; // omit separator, return "revN[N..]"
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}
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}
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return 0;
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}
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int RevCmp( const char* s1, const char* s2 )
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{
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int r = strncmp( s1, s2, 3 );
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if( r || strlen(s1)<4 || strlen(s2)<4 )
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{
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return r;
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}
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int rnum1 = atoi( s1+3 );
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int rnum2 = atoi( s2+3 );
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return -(rnum1 - rnum2); // swap the sign, higher revs first
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}
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//----<Policy and field test functions>-------------------------------------
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// These all return -1 on success, or >= 0 if there is an error at a
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// particular character offset into their respective arguments. If >=0,
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// then that return value gives the character offset of the error.
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static inline int okLogical( const STRING& aField )
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{
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// std::string::npos is largest positive number, casting to int makes it -1.
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// Returning that means success.
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return int( aField.find_first_of( ":/" ) );
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}
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static inline int okBase( const STRING& aField )
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{
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int offset = int( aField.find_first_of( ":/" ) );
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if( offset != -1 )
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return offset;
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// cannot be empty
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if( !aField.size() )
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return 0;
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return offset; // ie. -1
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}
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static inline int okCategory( const STRING& aField )
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{
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return int( aField.find_first_of( ":/" ) );
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}
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static int okRevision( const STRING& aField )
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{
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char rev[32]; // C string for speed
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if( aField.size() >= 4 )
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{
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strcpy( rev, "x/" );
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strcat( rev, aField.c_str() );
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if( EndsWithRev( rev, rev + strlen(rev) ) == rev+2 )
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return -1; // success
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}
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return 0; // first character position "is in error", is best we can do.
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}
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//----</Policy and field test functions>-------------------------------------
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void LPID::clear()
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{
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logical.clear();
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category.clear();
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baseName.clear();
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partName.clear();
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revision.clear();
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}
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int LPID::Parse( const STRING& aLPID )
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{
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clear();
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const char* rev = EndsWithRev( aLPID );
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size_t revNdx;
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size_t partNdx;
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size_t baseNdx;
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int offset;
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//=====<revision>=========================================
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if( rev )
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{
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revNdx = rev - aLPID.c_str();
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// no need to check revision, EndsWithRev did that.
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revision = aLPID.substr( revNdx );
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--revNdx; // back up to omit the '/' which preceeds the rev
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}
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else
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revNdx = aLPID.size();
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//=====<logical>==========================================
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if( ( partNdx = aLPID.find( ':' ) ) != aLPID.npos )
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{
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offset = SetLogicalLib( aLPID.substr( 0, partNdx ) );
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if( offset > -1 )
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{
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return offset;
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}
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++partNdx; // skip ':'
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}
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else
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partNdx = 0;
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//=====<rawName && category>==============================
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// "length limited" search:
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const char* base = (const char*) memchr( aLPID.c_str() + partNdx, '/', revNdx - partNdx );
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if( base )
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{
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baseNdx = base - aLPID.c_str();
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offset = SetCategory( aLPID.substr( partNdx, baseNdx - partNdx ) );
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if( offset > -1 )
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{
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return offset + partNdx;
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}
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++baseNdx; // skip '/'
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}
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else
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{
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baseNdx = partNdx;
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}
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//=====<baseName>==========================================
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offset = SetBaseName( aLPID.substr( baseNdx, revNdx - baseNdx ) );
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if( offset > -1 )
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{
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return offset + baseNdx;
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}
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return -1;
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}
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LPID::LPID( const STRING& aLPID ) throw( PARSE_ERROR )
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{
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int offset = Parse( aLPID );
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if( offset != -1 )
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{
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THROW_PARSE_ERROR(
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_( "Illegal character found in LPID string" ),
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wxString::FromUTF8( aLPID.c_str() ),
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aLPID.c_str(),
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0,
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offset
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);
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}
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}
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int LPID::SetLogicalLib( const STRING& aLogical )
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{
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int offset = okLogical( aLogical );
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if( offset == -1 )
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{
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logical = aLogical;
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}
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return offset;
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}
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int LPID::SetCategory( const STRING& aCategory )
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{
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int offset = okCategory( aCategory );
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if( offset == -1 )
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{
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category = aCategory;
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// set the partName too
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if( category.size() )
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{
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partName = category;
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partName += '/';
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partName += baseName;
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}
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else
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partName = baseName;
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}
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return offset;
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}
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int LPID::SetBaseName( const STRING& aBaseName )
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{
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int offset = okBase( aBaseName );
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if( offset == -1 )
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{
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baseName = aBaseName;
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// set the partName too
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if( category.size() )
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{
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partName = category;
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partName += '/';
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partName += baseName;
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}
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else
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partName = baseName;
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}
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return offset;
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}
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int LPID::SetPartName( const STRING& aPartName )
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{
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STRING category;
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STRING base;
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int offset;
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int separation = int( aPartName.find_first_of( "/" ) );
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if( separation != -1 )
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{
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category = aPartName.substr( 0, separation );
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base = aPartName.substr( separation+1 );
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}
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else
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{
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// leave category empty
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base = aPartName;
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}
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if( (offset = SetCategory( category )) != -1 )
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return offset;
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if( (offset = SetBaseName( base )) != -1 )
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{
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return offset + separation + 1;
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}
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return -1;
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}
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int LPID::SetRevision( const STRING& aRevision )
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{
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int offset = okRevision( aRevision );
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if( offset == -1 )
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{
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revision = aRevision;
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}
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return offset;
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}
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STRING LPID::Format() const
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{
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STRING ret;
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if( logical.size() )
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{
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ret += logical;
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ret += ':';
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}
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if( category.size() )
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{
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ret += category;
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ret += '/';
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}
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ret += baseName;
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if( revision.size() )
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{
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ret += '/';
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ret += revision;
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}
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return ret;
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}
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STRING LPID::GetPartNameAndRev() const
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{
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STRING ret;
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if( category.size() )
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{
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ret += category;
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ret += '/';
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}
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ret += baseName;
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if( revision.size() )
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{
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ret += '/';
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ret += revision;
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}
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return ret;
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}
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STRING LPID::Format( const STRING& aLogicalLib, const STRING& aPartName, const STRING& aRevision )
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throw( PARSE_ERROR )
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{
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STRING ret;
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int offset;
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if( aLogicalLib.size() )
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{
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offset = okLogical( aLogicalLib );
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if( offset != -1 )
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{
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THROW_PARSE_ERROR(
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_( "Illegal character found in logical lib name" ),
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wxString::FromUTF8( aLogicalLib.c_str() ),
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aLogicalLib.c_str(),
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0,
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offset
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);
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}
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ret += aLogicalLib;
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ret += ':';
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}
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{
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STRING category;
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STRING base;
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int separation = int( aPartName.find_first_of( "/" ) );
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if( separation != -1 )
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{
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category = aPartName.substr( 0, separation );
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base = aPartName.substr( separation+1 );
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}
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else
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{
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// leave category empty
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base = aPartName;
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}
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if( (offset = okCategory( category )) != -1 )
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{
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THROW_PARSE_ERROR(
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_( "Illegal character found in category" ),
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wxString::FromUTF8( aRevision.c_str() ),
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aRevision.c_str(),
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0,
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offset
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);
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}
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if( (offset = okBase( base )) != -1 )
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{
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THROW_PARSE_ERROR(
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_( "Illegal character found in base name" ),
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wxString::FromUTF8( aRevision.c_str() ),
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aRevision.c_str(),
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0,
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offset + separation + 1
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);
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}
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if( category.size() )
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{
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ret += category;
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ret += '/';
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}
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ret += base;
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}
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if( aRevision.size() )
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{
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offset = okRevision( aRevision );
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if( offset != -1 )
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{
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THROW_PARSE_ERROR(
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_( "Illegal character found in revision" ),
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wxString::FromUTF8( aRevision.c_str() ),
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aRevision.c_str(),
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0,
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offset
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);
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}
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ret += '/';
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ret += aRevision;
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}
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return ret;
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}
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#if 0 && defined(DEBUG)
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// build this with Debug CMAKE_BUILD_TYPE
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void LPID::Test()
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{
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static const char* lpids[] = {
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"me:passives/R/rev0",
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"passives/R/rev2",
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":passives/R/rev3",
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"C/rev22",
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"passives/C22",
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"R",
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"me:R",
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// most difficult:
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"me:/R/rev0",
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"me:R/rev0",
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};
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for( unsigned i=0; i<sizeof(lpids)/sizeof(lpids[0]); ++i )
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{
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// test some round tripping
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LPID lpid( lpids[i] ); // parse
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// format
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printf( "input:'%s' full:'%s' base:'%s' partName:'%s' cat:'%s' rev:'%s'\n",
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lpids[i],
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lpid.Format().c_str(),
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lpid.GetBaseName().c_str(),
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lpid.GetPartName().c_str(),
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lpid.GetCategory().c_str(),
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lpid.GetRevision().c_str()
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);
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}
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}
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int main( int argc, char** argv )
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{
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LPID::Test();
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return 0;
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}
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#endif
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