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kicad/eeschema/load_one_schematic_file.cpp

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/****************************************/
/* Module to load/save EESchema files. */
/****************************************/
#include "fctsys.h"
#include "confirm.h"
#include "kicad_string.h"
#include "wxEeschemaStruct.h"
#include "class_sch_screen.h"
#include "richio.h"
#include "general.h"
#include "protos.h"
#include "sch_bus_entry.h"
#include "sch_marker.h"
#include "sch_junction.h"
#include "sch_line.h"
#include "sch_no_connect.h"
#include "sch_component.h"
#include "sch_polyline.h"
#include "sch_text.h"
#include "sch_sheet.h"
bool ReadSchemaDescr( 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 SCH_EDIT_FRAME::LoadOneEEFile( SCH_SCREEN* screen, const wxString& FullFileName )
{
char Name1[256];
bool itemLoaded = false;
SCH_ITEM* Phead;
SCH_ITEM* Pnext;
SCH_ITEM* item;
wxString MsgDiag; // Error and log messages
char* line;
if( screen == NULL )
return FALSE;
if( FullFileName.IsEmpty() )
return FALSE;
screen->SetCurItem( NULL );
screen->SetFileName( FullFileName );
// D(printf("LoadOneEEFile:%s\n", 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->GetFileName();
PrintMsg( MsgDiag );
if( !reader.ReadLine()
|| strncmp( (char*)reader + 9, SCHEMATIC_HEAD_STRING, sizeof(SCHEMATIC_HEAD_STRING) - 1 ) != 0 )
{
MsgDiag = FullFileName + _( " is NOT an EESchema file!" );
DisplayError( this, MsgDiag );
return FALSE;
}
line = reader.Line();
// get the file version here.
char *strversion = line + 9 + sizeof(SCHEMATIC_HEAD_STRING);
// Skip blanks
while( *strversion && *strversion < '0' )
strversion++;
int version = atoi(strversion);
if( version > 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( version < 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( reader, "LIBS:", 5 ) != 0 )
{
MsgDiag = FullFileName + _( " is NOT an EESchema file!" );
DisplayError( this, MsgDiag );
return FALSE;
}
LoadLayers( &reader );
while( reader.ReadLine() )
{
line = reader.Line();
item = NULL;
char* sline = line;
while( (*sline != ' ' ) && *sline )
sline++;
switch( line[0] )
{
case '$': // identification block
if( line[1] == 'C' )
item = new SCH_COMPONENT();
else if( line[1] == 'S' )
item = new SCH_SHEET();
else if( line[1] == 'D' )
itemLoaded = ReadSchemaDescr( &reader, MsgDiag, screen );
break;
case 'L': // Its a library item.
item = new SCH_COMPONENT();
break;
case 'W': // Its a Segment (WIRE or BUS) item.
item = new SCH_LINE();
break;
case 'E': // Its a WIRE or BUS item.
item = new SCH_BUS_ENTRY();
break;
case 'P': // Its a polyline item.
item = new SCH_POLYLINE();
break;
case 'C': // It is a connection item.
item = new SCH_JUNCTION();
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 'N': // It is a NoConnect item.
item = new SCH_NO_CONNECT();
break;
case 'T': // It is a text item.
if( sscanf( sline, "%s", Name1 ) != 1 )
{
MsgDiag.Printf( wxT( "EESchema file text load error at line %d" ),
reader.LineNumber() );
itemLoaded = false;
}
else if( Name1[0] == 'L' )
item = new SCH_LABEL();
else if( Name1[0] == 'G' && version > 1 )
item = new SCH_GLOBALLABEL();
else if( (Name1[0] == 'H') || (Name1[0] == 'G' && version == 1) )
item = new SCH_HIERLABEL();
else
item = new SCH_TEXT();
break;
default:
itemLoaded = false;
MsgDiag.Printf( wxT( "EESchema file undefined object at line %d, aborted" ),
reader.LineNumber() );
MsgDiag << wxT( "\n" ) << FROM_UTF8( line );
}
if( item )
{
itemLoaded = item->Load( reader, MsgDiag );
if( !itemLoaded )
{
SAFE_DELETE( item );
}
else
{
item->SetNext( screen->GetDrawItems() );
screen->SetDrawItems( item );
}
}
if( !itemLoaded )
{
DisplayError( this, MsgDiag );
break;
}
}
/* GetDrawItems() was constructed in reverse order - reverse it back: */
Phead = NULL;
while( screen->GetDrawItems() )
{
Pnext = screen->GetDrawItems();
screen->SetDrawItems( screen->GetDrawItems()->Next() );
Pnext->SetNext( Phead );
Phead = Pnext;
}
screen->SetDrawItems( Phead );
#if 0 && defined (DEBUG)
screen->Show( 0, std::cout );
#endif
screen->TestDanglingEnds();
MsgDiag = _( "Done Loading " ) + screen->GetFileName();
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;
}
}
/* Read the schematic header. */
bool ReadSchemaDescr( LINE_READER* aLine, wxString& aMsgDiag, BASE_SCREEN* aScreen )
{
char Text[256];
char buf[1024];
int ii;
Ki_PageDescr* wsheet = &g_Sheet_A4;
wxSize PageSize;
char* line;
static Ki_PageDescr* SheetFormatList[] =
{
&g_Sheet_A4, &g_Sheet_A3, &g_Sheet_A2, &g_Sheet_A1, &g_Sheet_A0,
&g_Sheet_A, &g_Sheet_B, &g_Sheet_C, &g_Sheet_D, &g_Sheet_E,
&g_Sheet_user, NULL
};
line = aLine->Line();
sscanf( line, "%s %s %d %d", Text, Text, &PageSize.x, &PageSize.y );
wxString pagename = FROM_UTF8( Text );
for( ii = 0; SheetFormatList[ii] != NULL; ii++ )
{
wsheet = SheetFormatList[ii];
if( wsheet->m_Name.CmpNoCase( pagename ) == 0 ) /* Descr found ! */
{
// Get the user page size and make it the default
if( wsheet == &g_Sheet_user )
{
g_Sheet_user.m_Size = PageSize;
}
break;
}
}
if( SheetFormatList[ii] == NULL )
{
aMsgDiag.Printf( wxT( "EESchema file dimension definition error \
line %d, \aAbort reading file.\n" ),
aLine->LineNumber() );
aMsgDiag << FROM_UTF8( line );
}
aScreen->m_CurrentSheetDesc = wsheet;
for( ; ; )
{
if( !aLine->ReadLine() )
return TRUE;
line = aLine->Line();
if( strnicmp( line, "$End", 4 ) == 0 )
break;
if( strnicmp( line, "Sheet", 2 ) == 0 )
sscanf( line + 5, " %d %d",
&aScreen->m_ScreenNumber, &aScreen->m_NumberOfScreen );
if( strnicmp( line, "Title", 2 ) == 0 )
{
ReadDelimitedText( buf, line, 256 );
aScreen->m_Title = FROM_UTF8( buf );
continue;
}
if( strnicmp( line, "Date", 2 ) == 0 )
{
ReadDelimitedText( buf, line, 256 );
aScreen->m_Date = FROM_UTF8( buf );
continue;
}
if( strnicmp( line, "Rev", 2 ) == 0 )
{
ReadDelimitedText( buf, line, 256 );
aScreen->m_Revision = FROM_UTF8( buf );
continue;
}
if( strnicmp( line, "Comp", 4 ) == 0 )
{
ReadDelimitedText( buf, line, 256 );
aScreen->m_Company = FROM_UTF8( buf );
continue;
}
if( strnicmp( line, "Comment1", 8 ) == 0 )
{
ReadDelimitedText( buf, line, 256 );
aScreen->m_Commentaire1 = FROM_UTF8( buf );
continue;
}
if( strnicmp( line, "Comment2", 8 ) == 0 )
{
ReadDelimitedText( buf, line, 256 );
aScreen->m_Commentaire2 = FROM_UTF8( buf );
continue;
}
if( strnicmp( line, "Comment3", 8 ) == 0 )
{
ReadDelimitedText( buf, line, 256 );
aScreen->m_Commentaire3 = FROM_UTF8( buf );
continue;
}
if( strnicmp( line, "Comment4", 8 ) == 0 )
{
ReadDelimitedText( buf, line, 256 );
aScreen->m_Commentaire4 = FROM_UTF8( buf );
continue;
}
}
return true;
}
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