394 lines
12 KiB
C++
394 lines
12 KiB
C++
/****************************************/
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/* Module to load/save EESchema files. */
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/****************************************/
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#include "fctsys.h"
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#include "confirm.h"
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#include "kicad_string.h"
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#include "program.h"
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#include "general.h"
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#include "protos.h"
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#include "class_marker_sch.h"
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#include "richio.h"
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/* in read_from_file_schematic_items_description.cpp */
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SCH_ITEM* ReadTextDescr( LINE_READER* aLine, wxString& aMsgDiag, int aSchematicFileVersion );
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int ReadSheetDescr( wxWindow* frame, LINE_READER* aLine, wxString& aMsgDiag, BASE_SCREEN* Window );
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bool ReadSchemaDescr( wxWindow* frame, LINE_READER* aLine, wxString& aMsgDiag, BASE_SCREEN* Window );
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int ReadPartDescr( wxWindow* frame, LINE_READER* aLine, wxString& aMsgDiag, BASE_SCREEN* Window );
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static void LoadLayers( LINE_READER* aLine );
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/**
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* Routine to load an EESchema file.
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* Returns true if file has been loaded (at least partially.)
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*/
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bool WinEDA_SchematicFrame::LoadOneEEFile( SCH_SCREEN* screen,
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const wxString& FullFileName )
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{
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char Name1[256],
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Name2[256];
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int ii, layer;
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wxPoint pos;
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bool Failed = FALSE;
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SCH_ITEM* Phead, * Pnext;
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SCH_JUNCTION* ConnectionStruct;
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SCH_POLYLINE* PolylineStruct;
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SCH_LINE* SegmentStruct;
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SCH_BUS_ENTRY* busEntry;
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SCH_NO_CONNECT* NoConnectStruct;
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wxString MsgDiag; // Error and log messages
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#define line ((char*)reader)
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if( screen == NULL )
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return FALSE;
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if( FullFileName.IsEmpty() )
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return FALSE;
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screen->SetCurItem( NULL );
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screen->m_FileName = FullFileName;
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// D(printf("LoadOneEEFile:%s\n", CONV_TO_UTF8( FullFileName ) ); )
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FILE* f;
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if( ( f = wxFopen( FullFileName, wxT( "rt" ) ) ) == NULL )
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{
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MsgDiag = _( "Failed to open " ) + FullFileName;
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DisplayError( this, MsgDiag );
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return FALSE;
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}
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// reader now owns the open FILE.
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FILE_LINE_READER reader( f, FullFileName );
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MsgDiag = _( "Loading " ) + screen->m_FileName;
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PrintMsg( MsgDiag );
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if( !reader.ReadLine()
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|| strncmp( line + 9, SCHEMATIC_HEAD_STRING,
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sizeof(SCHEMATIC_HEAD_STRING) - 1 ) != 0 )
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{
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MsgDiag = FullFileName + _( " is NOT an EESchema file!" );
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DisplayError( this, MsgDiag );
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return FALSE;
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}
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// get the file version here. TODO: Support version numbers > 9
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char version = line[9 + sizeof(SCHEMATIC_HEAD_STRING)];
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int ver = version - '0';
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if( ver > EESCHEMA_VERSION )
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{
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MsgDiag = FullFileName + _( " was created by a more recent \
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version of EESchema and may not load correctly. Please consider updating!" );
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DisplayInfoMessage( this, MsgDiag );
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}
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#if 0
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// Compile it if the new version is unreadable by previous eeschema versions
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else if( ver < EESCHEMA_VERSION )
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{
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MsgDiag = FullFileName + _( " was created by an older version of \
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EESchema. It will be stored in the new file format when you save this file \
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again." );
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DisplayInfoMessage( this, MsgDiag );
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}
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#endif
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if( !reader.ReadLine() || strncmp( line, "LIBS:", 5 ) != 0 )
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{
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MsgDiag = FullFileName + _( " is NOT an EESchema file!" );
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DisplayError( this, MsgDiag );
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return FALSE;
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}
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LoadLayers( &reader );
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while( reader.ReadLine() )
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{
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char* sline = line;
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while( (*sline != ' ' ) && *sline )
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sline++;
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switch( line[0] )
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{
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case '$': // identification block
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if( line[1] == 'C' )
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Failed = ReadPartDescr( this, &reader, MsgDiag, screen );
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else if( line[1] == 'S' )
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Failed = ReadSheetDescr( this, &reader, MsgDiag, screen );
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else if( line[1] == 'D' )
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Failed = ReadSchemaDescr( this, &reader, MsgDiag, screen );
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else if( line[1] == 'T' ) // text part
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{
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printf( "**** TEXT PART\n" );
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SCH_ITEM* Struct = ReadTextDescr( &reader, MsgDiag, version );
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if( Struct )
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{
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Struct->SetNext( screen->EEDrawList );
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screen->EEDrawList = Struct;
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}
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else
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{
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Failed = true;
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}
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}
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break;
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case 'L': // Its a library item.
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Failed = ReadPartDescr( this, &reader, MsgDiag, screen );
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break;
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case 'W': // Its a Segment (WIRE or BUS) item.
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if( sscanf( sline, "%s %s", Name1, Name2 ) != 2 )
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{
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MsgDiag.Printf( wxT( "EESchema file segment error at line %d, aborted" ),
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reader.LineNumber() );
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MsgDiag << wxT( "\n" ) << CONV_FROM_UTF8( line );
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Failed = true;
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break;
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}
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layer = LAYER_NOTES;
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if( Name1[0] == 'W' )
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layer = LAYER_WIRE;
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if( Name1[0] == 'B' )
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layer = LAYER_BUS;
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SegmentStruct = new SCH_LINE( wxPoint( 0, 0 ), layer );
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if( !reader.ReadLine()
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|| sscanf( line, "%d %d %d %d ", &SegmentStruct->m_Start.x,
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&SegmentStruct->m_Start.y, &SegmentStruct->m_End.x,
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&SegmentStruct->m_End.y ) != 4 )
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{
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MsgDiag.Printf( wxT( "EESchema file Segment struct error at line %d, aborted" ),
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reader.LineNumber() );
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MsgDiag << wxT( "\n" ) << CONV_FROM_UTF8( line );
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Failed = true;
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SAFE_DELETE( SegmentStruct );
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break;
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}
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if( !Failed )
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{
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SegmentStruct->SetNext( screen->EEDrawList );
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screen->EEDrawList = SegmentStruct;
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}
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break;
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case 'E': // Its a WIRE or BUS item.
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if( sscanf( sline, "%s %s", Name1, Name2 ) != 2 )
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{
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MsgDiag.Printf( wxT( "EESchema file record struct error at line %d, aborted" ),
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reader.LineNumber() );
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MsgDiag << wxT( "\n" ) << CONV_FROM_UTF8( line );
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Failed = true;
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break;
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}
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ii = WIRE_TO_BUS;
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if( Name1[0] == 'B' )
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ii = BUS_TO_BUS;
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busEntry = new SCH_BUS_ENTRY( wxPoint( 0, 0 ), '\\', ii );
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if( !reader.ReadLine()
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|| sscanf( line, "%d %d %d %d ", &busEntry->m_Pos.x, &busEntry->m_Pos.y,
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&busEntry->m_Size.x, &busEntry->m_Size.y ) != 4 )
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{
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MsgDiag.Printf( wxT( "EESchema file Bus Entry struct error at line %d, aborted" ),
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reader.LineNumber() );
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MsgDiag << wxT( "\n" ) << CONV_FROM_UTF8( line );
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Failed = true;
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SAFE_DELETE( busEntry );
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break;
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}
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if( !Failed )
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{
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busEntry->m_Size.x -= busEntry->m_Pos.x;
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busEntry->m_Size.y -= busEntry->m_Pos.y;
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busEntry->SetNext( screen->EEDrawList );
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screen->EEDrawList = busEntry;
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}
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break;
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case 'P': // Its a polyline item.
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if( sscanf( sline, "%s %s %d", Name1, Name2, &ii ) != 3 )
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{
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MsgDiag.Printf( wxT( "EESchema file polyline struct error at line %d, aborted" ),
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reader.LineNumber() );
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MsgDiag << wxT( "\n" ) << CONV_FROM_UTF8( line );
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Failed = true;
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break;
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}
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layer = LAYER_NOTES;
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if( Name2[0] == 'W' )
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layer = LAYER_WIRE;
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if( Name2[0] == 'B' )
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layer = LAYER_BUS;
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PolylineStruct = new SCH_POLYLINE( layer );
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for( unsigned jj = 0; jj < (unsigned)ii; jj++ )
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{
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wxPoint point;
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if( !reader.ReadLine()
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|| sscanf( line, "%d %d", &point.x, &point.y ) != 2 )
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{
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MsgDiag.Printf( wxT( "EESchema file polyline struct error at line %d, aborted" ),
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reader.LineNumber() );
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MsgDiag << wxT( "\n" ) << CONV_FROM_UTF8( line );
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Failed = true;
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SAFE_DELETE( PolylineStruct );
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break;
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}
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PolylineStruct->AddPoint( point );
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}
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if( !Failed )
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{
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PolylineStruct->SetNext( screen->EEDrawList );
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screen->EEDrawList = PolylineStruct;
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}
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break;
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case 'C': // It is a connection item.
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ConnectionStruct = new SCH_JUNCTION( wxPoint( 0, 0 ) );
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if( sscanf( sline, "%s %d %d", Name1, &ConnectionStruct->m_Pos.x,
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&ConnectionStruct->m_Pos.y ) != 3 )
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{
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MsgDiag.Printf( wxT( "EESchema file connection struct error at line %d, aborted" ),
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reader.LineNumber() );
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MsgDiag << wxT( "\n" ) << CONV_FROM_UTF8( line );
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Failed = true;
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SAFE_DELETE( ConnectionStruct );
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}
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else
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{
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ConnectionStruct->SetNext( screen->EEDrawList );
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screen->EEDrawList = ConnectionStruct;
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}
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break;
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case 'N': // It is a NoConnect item.
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if( sscanf( sline, "%s %d %d", Name1, &pos.x, &pos.y ) != 3 )
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{
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MsgDiag.Printf( wxT( "EESchema file NoConnect struct error at line %d, aborted" ),
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reader.LineNumber() );
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MsgDiag << wxT( "\n" ) << CONV_FROM_UTF8( line );
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Failed = true;
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}
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else
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{
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NoConnectStruct = new SCH_NO_CONNECT( pos );
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NoConnectStruct->SetNext( screen->EEDrawList );
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screen->EEDrawList = NoConnectStruct;
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}
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break;
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case 'K': // It is a Marker item.
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// Markers are no more read from file. they are only created on
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// demand in schematic
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break;
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case 'T': // It is a text item.
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{
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SCH_ITEM* Struct = ReadTextDescr( &reader, MsgDiag, version);
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if( Struct )
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{
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Struct->SetNext( screen->EEDrawList );
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screen->EEDrawList = Struct;
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}
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else
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Failed = true;
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}
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break;
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default:
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Failed = true;
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MsgDiag.Printf( wxT( "EESchema file undefined object at line %d, aborted" ),
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reader.LineNumber() );
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MsgDiag << wxT( "\n" ) << CONV_FROM_UTF8( line );
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break;
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}
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if( Failed )
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{
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DisplayError( this, MsgDiag );
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break;
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}
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}
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/* EEDrawList was constructed in reverse order - reverse it back: */
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Phead = NULL;
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while( screen->EEDrawList )
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{
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Pnext = screen->EEDrawList;
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screen->EEDrawList = screen->EEDrawList->Next();
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Pnext->SetNext( Phead );
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Phead = Pnext;
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}
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screen->EEDrawList = Phead;
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#if 0 && defined (DEBUG)
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screen->Show( 0, std::cout );
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#endif
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TestDanglingEnds( screen->EEDrawList, NULL );
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MsgDiag = _( "Done Loading " ) + screen->m_FileName;
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PrintMsg( MsgDiag );
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return true; // Although it may be that file is only partially loaded.
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}
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static void LoadLayers( LINE_READER* aLine )
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{
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int Number;
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//int Mode,Color,Layer;
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char Name[256];
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aLine->ReadLine();
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sscanf( *aLine, "%s %d %d", Name, &Number, &g_LayerDescr.CurrentLayer );
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if( strcmp( Name, "EELAYER" ) !=0 )
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{
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/* error : init par default */
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Number = MAX_LAYER;
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}
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if( Number <= 0 )
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Number = MAX_LAYER;
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if( Number > MAX_LAYER )
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Number = MAX_LAYER;
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g_LayerDescr.NumberOfLayers = Number;
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while( aLine->ReadLine() )
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{
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if( strnicmp( *aLine, "EELAYER END", 11 ) == 0 )
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break;
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}
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}
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