kicad/eeschema/load_one_schematic_file.cpp

393 lines
12 KiB
C++

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