kicad/eeschema/load_one_schematic_file.cpp

	/****************************************/
	/*	Module to load/save EESchema files.	*/
	/****************************************/

#include "fctsys.h"
#include "gr_basic.h"

#include "common.h"
#include "program.h"
#include "libcmp.h"
#include "general.h"

#include "protos.h"

#include "id.h"

/* Format des fichiers:
	- entete:
EESchema Schematic File Version n
	- liste des librairies utilisees
LIBS:lib1,lib2,...

	- description des elements:
	- ici Dimensions du schema, cartouche..:
$Descr  A3 xx yy		(format A3 (A..A0 / A..E / "user") xx yy = dims internes )
$EndDescr

	- ici: polyline
P L  0 3
	2208 1008
	2208 1136
	2128 1136

	- ici: Segment (wire, bus) ( 1; W = segment type Wire, 2: W = Wire B = Bus
								3: L ou B = epaisseur ( L = ligne, B = bus)
W W  L		(W B B si bus)
	1856 1008 1856 1136 (debut X,Y fin X,Y)

	- ici: Raccord (wire, bus)
R W  L
	1856 1008 1856 1136 (debut X,Y fin X,Y)

	- ici: Sheet ( Sous-feuille de hierarchie)
$Sheet
S  1856 1008 1856 1136 (debut X,Y fin X,Y)
F0 "texte" X X posx posy			; sheetname
F1 "texte" X X posx posy			; filename
Fn "label" type side posx posy size	; n lignes de label
$EndSheet

	- ici: composant
$Comp
L CAPACITOR  C1			H H -30863 -14794 1968 1184		nom, ref, dir et pos
	1	 2016 1136 1904 1024 2128 1248		multi, posx,y, rect encadrement
	1	 0	  0		 -1  					matrice de rotation/miroir
$EndComp
*/

/* Fonctions locales */
static int ReadPartDescr(wxWindow * frame, char *Line, FILE *f, BASE_SCREEN *Window);
static int ReadSheetDescr(wxWindow * frame, char *Line, FILE *f, BASE_SCREEN * Window);
static int ReadSchemaDescr(wxWindow * frame, char *Line, FILE *f, BASE_SCREEN * Window);
static void LoadLayers(FILE *f, int * linecnt);

/* Variables locales */
static int LineCount;		/* Decompte de num de ligne lue dans eeload() */
static wxString MsgDiag;	/* Error and log messages */

/************************************************************************************************/
bool WinEDA_SchematicFrame::LoadOneEEFile(SCH_SCREEN *screen, const wxString & FullFileName)
/************************************************************************************************/
/* Routine to load an EESchema file.
Returns TRUE if file has been loaded (at list partially.)
*/
{
char Line[1024], * SLine;
char Name1[256],
	Name2[256];
int ii, layer, orient, size;
wxPoint pos;
bool	Failed = FALSE;
EDA_BaseStruct *Phead, *Pnext;
DrawJunctionStruct *ConnectionStruct;
DrawPolylineStruct *PolylineStruct;
EDA_DrawLineStruct * SegmentStruct;
DrawBusEntryStruct * RaccordStruct;
DrawMarkerStruct * MarkerStruct;
DrawNoConnectStruct * NoConnectStruct;

FILE *f;

	if ( screen == NULL ) return FALSE;
	if( FullFileName.IsEmpty() ) return FALSE;

	screen->m_CurrentItem = NULL;

	LineCount = 1;
	if ((f = wxFopen(FullFileName, wxT("rt")) ) == NULL)
		{
		MsgDiag = _("Failed to open ") + FullFileName;
		DisplayError(this, MsgDiag);
		return FALSE;
		}

	MsgDiag = _("Loading ") + FullFileName;
	PrintMsg(MsgDiag);

	if (fgets(Line, 1024 - 1, f) == NULL ||
		strncmp(Line+9, SCHEMATIC_HEAD_STRING, sizeof(SCHEMATIC_HEAD_STRING) - 1)
		!= 0)
		{
		MsgDiag = FullFileName + _(" is NOT EESchema file");
		DisplayError(this, MsgDiag);
		fclose(f);
		return FALSE;
		}

	LineCount++;
	if(fgets(Line, 1024 - 1, f) == NULL || strncmp(Line, "LIBS:", 5) != 0)
		{
		MsgDiag =  FullFileName + _(" is NOT EESchema file");
		DisplayError(this, MsgDiag);
		fclose(f);
		return FALSE;
		}

	LoadLayers(f, &LineCount);

	while (!feof(f) && GetLine(f, Line, &LineCount, sizeof(Line)) != NULL)
	{
		SLine = Line;
		while( (*SLine != ' ' ) && *SLine ) SLine++;
		switch(Line[0])
		{
			case '$':		/* identification de bloc */
				if(Line[1] == 'C')
					{
					Failed = ReadPartDescr(this, Line, f, screen);
					}
				else if(Line[1] == 'S')
					{
					Failed = ReadSheetDescr(this, Line, f, screen);
					}
				else if(Line[1] == 'D')
					{
					Failed = ReadSchemaDescr(this, Line, f, screen);
					}
				break;

			case 'L':		/* Its a library item. */
				Failed = ReadPartDescr(this, Line, f, screen);
				break;  /* Fin lecture 1 composant */


			case 'W':	 /* Its a Segment (WIRE or BUS) item. */
				if( sscanf(SLine, "%s %s", Name1, Name2) != 2  )
					{
					MsgDiag.Printf(
					wxT("EESchema file Segment struct error at line %d, aborted"),
								LineCount);
					Failed = TRUE;
					break;
					}
				layer = LAYER_NOTES;
				if( Name1[0] == 'W' ) layer = LAYER_WIRE;
				if( Name1[0] == 'B' ) layer = LAYER_BUS;

				SegmentStruct = new EDA_DrawLineStruct(wxPoint(0,0),layer);

				LineCount++;
				if (fgets(Line, 256 - 1, f) == NULL ||
					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"),
								LineCount);
					Failed = TRUE;
					delete SegmentStruct;
					break;
					}

				if (!Failed)
					{
					SegmentStruct->Pnext = screen->EEDrawList;
					screen->EEDrawList = (EDA_BaseStruct *) SegmentStruct;
					}
				break;


			case 'E':	 /* Its a Raccord (WIRE or BUS) item. */
				if( sscanf(SLine, "%s %s", Name1, Name2) != 2  )
					{
					MsgDiag.Printf(
					wxT("EESchema file Raccord struct error at line %d, aborted"),
								LineCount);
					Failed = TRUE;
					break;
					}

				ii = WIRE_TO_BUS;
				if( Name1[0] == 'B' ) ii = BUS_TO_BUS;
				RaccordStruct = new DrawBusEntryStruct(wxPoint(0,0), '\\', ii);
				LineCount++;
				if (fgets(Line, 256 - 1, f) == NULL ||
					sscanf(Line, "%d %d %d %d ",
							&RaccordStruct->m_Pos.x,&RaccordStruct->m_Pos.y,
							&RaccordStruct->m_Size.x,&RaccordStruct->m_Size.y) != 4 )
				{
					MsgDiag.Printf(
					wxT("EESchema file Raccord struct error at line %d, aborted"),
								LineCount);
					Failed = TRUE;
					delete RaccordStruct;
					break;
				}

				if (!Failed)
				{
					RaccordStruct->m_Size.x -= RaccordStruct->m_Pos.x;
					RaccordStruct->m_Size.y -= RaccordStruct->m_Pos.y;
					RaccordStruct->Pnext = screen->EEDrawList;
					screen->EEDrawList = RaccordStruct;
				}
				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"),
								LineCount);
					Failed = TRUE;
					break;
				}
				layer = LAYER_NOTES;
				if( Name2[0] == 'W' ) layer = LAYER_WIRE;
				if( Name2[0] == 'B' ) layer = LAYER_BUS;

				PolylineStruct = new DrawPolylineStruct(layer);

				PolylineStruct->m_NumOfPoints = ii;
				PolylineStruct->m_Points = (int *) MyZMalloc(sizeof(int) * 2 *
							PolylineStruct->m_NumOfPoints);
				for (ii = 0; ii < PolylineStruct->m_NumOfPoints; ii++)
				{
					LineCount++;
					if (fgets(Line, 256 - 1, f) == NULL ||
					sscanf(Line, "%d %d", &PolylineStruct->m_Points[ii*2],
							 &PolylineStruct->m_Points[ii*2+1]) != 2)
					{
						MsgDiag.Printf(
						wxT("EESchema file polyline struct error at line %d, aborted"),
								LineCount);
						Failed = TRUE;
						delete  PolylineStruct;
						break;
					}
				}

				if (!Failed)
					{
					PolylineStruct->Pnext = screen->EEDrawList;
					screen->EEDrawList = (EDA_BaseStruct *)
										  PolylineStruct;
					}
				break;

			case 'C':					/* Its a connection item. */
				ConnectionStruct = new DrawJunctionStruct(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"),
								LineCount);
					Failed = TRUE;
					delete ConnectionStruct;
					}
				else
					{
					ConnectionStruct->Pnext = screen->EEDrawList;
					screen->EEDrawList = ConnectionStruct;
					}
				break;

			case 'N':					/* Its 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"),
								LineCount);
					Failed = TRUE;
					}
				else
					{
					NoConnectStruct = new DrawNoConnectStruct(pos);
					NoConnectStruct->Pnext = screen->EEDrawList;
					screen->EEDrawList = NoConnectStruct;
					}
				break;

			case 'K':					/* Its a MarKer item. */
				if (sscanf(SLine, "%s %d %d", Name1, &pos.x, &pos.y) != 3)
					{
					MsgDiag.Printf(
					wxT("EESchema file marker struct error line %d, aborted"),
								LineCount);
					Failed = TRUE;
					}
				else
					{
					char * text;
					char BufLine[1024];
					MarkerStruct = new DrawMarkerStruct(pos,wxEmptyString);
					ii = ReadDelimitedText(BufLine, Line, 256 );
					MarkerStruct->m_Type = (TypeMarker)((Name1[0] & 255) - 'A');
					if( MarkerStruct->m_Type < 0 )
						MarkerStruct->m_Type = MARQ_UNSPEC;
					if ( ii ) MarkerStruct->m_Comment = CONV_FROM_UTF8(BufLine);
					text = strstr(Line," F=");
					if (text)
						{
						sscanf(text+3, "%X", &ii);
						MarkerStruct->m_MarkFlags = ii;
						}
					MarkerStruct->Pnext = screen->EEDrawList;
					screen->EEDrawList = MarkerStruct;
					}
				break;

			case 'T':					/* Its a text item. */
				{
				EDA_BaseStruct * Struct = NULL;
				*Name1 = *Name2 = 0;
				ii = sscanf(SLine, "%s %d %d %d %d %s",
					  Name1, &pos.x, &pos.y, &orient, &size, Name2);

				if( ii < 4 )
					{
					MsgDiag.Printf(
						wxT("EESchema file text struct error line %d, aborted"),
								LineCount);
					Failed = TRUE;
					}
				else if( fgets(Line, 256 - 1, f) == NULL )
					{
					LineCount++;
					MsgDiag.Printf(
						wxT("EESchema file text struct error line %d (No text), aborted"),
								LineCount);
					Failed = TRUE;
					}
				else
					{
					LineCount++;
					if( size == 0 ) size = DEFAULT_SIZE_TEXT;
					char * text = strtok(Line, "\n\r");
					if ( text == NULL ) break;

					if( Name1[0] == 'L' )
						{
						DrawLabelStruct * TextStruct =
							new DrawLabelStruct(pos, CONV_FROM_UTF8(text));
						TextStruct->m_Size.x = TextStruct->m_Size.y = size;
						TextStruct->m_Orient = orient;
						Struct = (EDA_BaseStruct*)TextStruct;
						}
					else if( Name1[0] == 'G' )
						{
						DrawGlobalLabelStruct * TextStruct =
								new DrawGlobalLabelStruct(pos, CONV_FROM_UTF8(text));
						Struct = (EDA_BaseStruct*)TextStruct;
						TextStruct->m_Size.x = TextStruct->m_Size.y = size;
						TextStruct->m_Orient = orient;
						if( stricmp(Name2,SheetLabelType[NET_OUTPUT]) == 0 )
							TextStruct->m_Shape = NET_OUTPUT;
						if( stricmp(Name2,SheetLabelType[NET_BIDI]) == 0 )
							TextStruct->m_Shape = NET_BIDI;
						if( stricmp(Name2,SheetLabelType[NET_TRISTATE]) == 0 )
							TextStruct->m_Shape = NET_TRISTATE;
						if( stricmp(Name2,SheetLabelType[NET_UNSPECIFIED]) == 0 )
							TextStruct->m_Shape = NET_UNSPECIFIED;
						}
					else
						{
						DrawTextStruct * TextStruct =
							new DrawTextStruct(pos, CONV_FROM_UTF8(text));
						TextStruct->m_Size.x = TextStruct->m_Size.y = size;
						TextStruct->m_Orient = orient;
						Struct = (EDA_BaseStruct*)TextStruct;
						}
					if (Struct )
						{
						Struct->Pnext = screen->EEDrawList;
						screen->EEDrawList = Struct;
						}
					}
				break;
				}

		default:
				Failed = FALSE;
				MsgDiag.Printf(
					wxT("EESchema file undef structdef at line %d, aborted"),
								LineCount);
				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->Pnext;
		Pnext->Pnext = Phead;
		Phead = Pnext;
		}
	screen->EEDrawList = Phead;

	fclose(f);

	TestDanglingEnds(screen->EEDrawList, NULL);
		
	return TRUE;	/* Although it may be that file is only partially loaded. */
}



/*************************************************************/
static int ReadPartDescr(wxWindow * frame, char *Line, FILE *f,
								BASE_SCREEN * Window)
/*************************************************************/

/* Fonction utilisee par LoadEEFile().
	Lit les lignes relatives a la description d'un composant en schema
*/
{
int ii, fieldref;
char Name1[256], Name2[256],
	Char1[256], Char2[256], Char3[256];
EDA_SchComponentStruct *LibItemStruct;
int Failed = 0, newfmt = 0;
char * ptcar;

	LibItemStruct = new EDA_SchComponentStruct();
	LibItemStruct->m_Convert = 1;

	if(Line[0] == '$')
		{
		newfmt = 1;
		LineCount++;
		if( fgets(Line, 256 - 1, f) == 0) return(TRUE);
		}

	/* Traitement de la 1ere ligne de description */
	if( sscanf(&Line[1], "%s %s", Name1, Name2) != 2 )
		{
		MsgDiag.Printf(
			wxT("EESchema Component descr error at line %d, aborted"),
					LineCount);
		Failed = TRUE;
		return(Failed);
		}

	if (strcmp(Name1, NULL_STRING) != 0)
		{
		for (ii = 0; ii < (int)strlen(Name1); ii++)
			if (Name1[ii] == '~') Name1[ii] = ' ';
		LibItemStruct->m_ChipName = CONV_FROM_UTF8(Name1);
		if( !newfmt )
			LibItemStruct->m_Field[VALUE].m_Text = CONV_FROM_UTF8(Name1);
		}
	else
		{
		LibItemStruct->m_ChipName.Empty();
		LibItemStruct->m_Field[VALUE].m_Text.Empty();
		LibItemStruct->m_Field[VALUE].m_Orient = TEXT_ORIENT_HORIZ;
		LibItemStruct->m_Field[VALUE].m_Attributs = TEXT_NO_VISIBLE;
		}

	if (strcmp(Name2, NULL_STRING) != 0)
		{
		for (ii = 0; ii < (int)strlen(Name2); ii++)
			if (Name2[ii] == '~') Name2[ii] = ' ';
		if(!newfmt) LibItemStruct->m_Field[REFERENCE].m_Text = CONV_FROM_UTF8(Name2);
		}
	else
		{
		LibItemStruct->m_Field[REFERENCE].m_Attributs = TEXT_NO_VISIBLE;
		}

	/* Traitement des autres lignes de description */
	/* Ces lignes commencent par:
		"P " = position
		"U " = Num Unit, et Conversion
		"Fn" = Champs ( n = 0.. = numero de champ )
	*/

	/* Lecture des champs */
	for(;;)
	{
		LineCount++;
		if( fgets(Line, 256 - 1, f) == NULL ) return(TRUE);
		if( (Line[0] != 'F' ) &&
			(Line[0] != 'P' ) &&
			(Line[0] != 'U' ) )
			break;

		if( Line[0] == 'U' ) /* Lecture num multi, conversion et time stamp */
		{
			sscanf(Line+1,"%d %d %lX",
				&LibItemStruct->m_Multi, &LibItemStruct->m_Convert,
				&LibItemStruct->m_TimeStamp);
		}

		if( Line[0] == 'P' )
		{
			sscanf(Line+1,"%d %d",
					&LibItemStruct->m_Pos.x, &LibItemStruct->m_Pos.y);
		}

		if( Line[0] == 'F' )
		{
			char FieldUserName[1024];
			int hjustify = GR_TEXT_HJUSTIFY_CENTER;
			int vjustify = GR_TEXT_VJUSTIFY_CENTER;
			
			FieldUserName[0] = 0;
	
			sscanf(Line+1,"%d", &fieldref);
			if( fieldref >= NUMBER_OF_FIELDS)
				{
				MsgDiag.Printf(
					wxT("Component Field number error at line %d, aborted"),
					LineCount);
				return(TRUE);
				}
			/* Lecture du champ */
			ptcar = Line; while( *ptcar && (*ptcar != '"') ) ptcar++;
			if( *ptcar != '"')
				{
				MsgDiag.Printf(
					wxT("EESchema file lib field F at line %d, aborted"),
					LineCount);
				return(TRUE);
				}
		
			for(ptcar++, ii = 0; ; ii++, ptcar++ )
				{
				Name1[ii] = *ptcar;
				if( *ptcar == 0 )
					{
					MsgDiag.Printf(
						wxT("Component field F at line %d, aborted"),
							LineCount);
					return(TRUE);
					}
				if( *ptcar == '"' )
					{
					Name1[ii] = 0; ptcar++;
					break;
					}
				}

			if(LibItemStruct->m_Field[fieldref].m_Text.IsEmpty())
				LibItemStruct->m_Field[fieldref].m_Text = CONV_FROM_UTF8(Name1);

			/* Lecture des coordonnees */
			if( (ii = sscanf(ptcar, "%s %d %d %d %X %s %s", Char1,
					&LibItemStruct->m_Field[fieldref].m_Pos.x,
					&LibItemStruct->m_Field[fieldref].m_Pos.y,
					&LibItemStruct->m_Field[fieldref].m_Size.x,
					&LibItemStruct->m_Field[fieldref].m_Attributs,
					Char2, Char3) ) < 4 )
				{
				MsgDiag.Printf(
					wxT("Component Field error line %d, aborted"),
						LineCount);
				DisplayError(frame, MsgDiag);
				continue;
				}
				
			ReadDelimitedText(FieldUserName,ptcar, sizeof(FieldUserName) );
			if( (LibItemStruct->m_Field[fieldref].m_Size.x == 0 ) || (ii == 4) )
				LibItemStruct->m_Field[fieldref].m_Size.x = DEFAULT_SIZE_TEXT;
			LibItemStruct->m_Field[fieldref].m_Orient = TEXT_ORIENT_HORIZ;
			LibItemStruct->m_Field[fieldref].m_Size.y = LibItemStruct->m_Field[fieldref].m_Size.x;
			if(Char1[0] == 'V')
				LibItemStruct->m_Field[fieldref].m_Orient = TEXT_ORIENT_VERT;
			if ( ii >= 7 )
			{
				if ( *Char2 == 'L' ) hjustify = GR_TEXT_HJUSTIFY_LEFT;
				else if ( *Char2 == 'R' ) hjustify = GR_TEXT_HJUSTIFY_RIGHT;
				if ( *Char3 == 'B' ) vjustify = GR_TEXT_VJUSTIFY_BOTTOM;
				else if ( *Char3 == 'T' ) vjustify = GR_TEXT_VJUSTIFY_TOP;
				LibItemStruct->m_Field[fieldref].m_HJustify = hjustify;
				LibItemStruct->m_Field[fieldref].m_VJustify = vjustify;
			}
			
			if ( fieldref >= FIELD1 )
			{
				LibItemStruct->m_Field[fieldref].m_Name = CONV_FROM_UTF8(FieldUserName);
			}

// 27 juin  2001: A Supprimer lorsque tous les schemas auront ete traites :
if ( fieldref == REFERENCE )
	if (LibItemStruct->m_Field[fieldref].m_Text[0] == '#' )
		LibItemStruct->m_Field[fieldref].m_Attributs |= TEXT_NO_VISIBLE;
			}
		}


	/* Lecture multi et position du composant */
	if( sscanf(Line, "%d %d %d",
				&LibItemStruct->m_Multi,
				&LibItemStruct->m_Pos.x, &LibItemStruct->m_Pos.y) != 3)
		{
		MsgDiag.Printf(
			wxT("Component unit & pos error at line %d, aborted"),
				LineCount);
		Failed = TRUE;
		return(Failed);
		}

	/* Lecture de la matrice de miroir / rotation */
	LineCount++;
	if( (fgets(Line, 256 - 1, f) == NULL) ||
					(sscanf(Line, "%d %d %d %d",
					&LibItemStruct->m_Transform[0][0],
					&LibItemStruct->m_Transform[0][1],
					&LibItemStruct->m_Transform[1][0],
					&LibItemStruct->m_Transform[1][1]) != 4) )
		{
		MsgDiag.Printf(
			wxT("Component orient error at line %d, aborted"),
				LineCount);
		Failed = TRUE;
		return(Failed);
		}

	if(newfmt)
		{
		LineCount++;
		if( fgets(Line, 256 - 1, f) == NULL ) return(TRUE);
		if( strnicmp("$End", Line,4) != 0 )
			{
			MsgDiag.Printf(
				wxT("Component End expected at line %d, aborted"),
					LineCount);
			Failed = TRUE;
			}
		}

	if (!Failed)
		{
		LibItemStruct->Pnext = Window->EEDrawList;
		Window->EEDrawList = (EDA_BaseStruct *) LibItemStruct;
		}

	return(Failed);  /* Fin lecture 1 composant */
}


/*************************************************************************************/
static int ReadSheetDescr(wxWindow * frame, char *Line, FILE *f, BASE_SCREEN * Window)
/*************************************************************************************/
/* Fonction utilisee par LoadEEFile().
	Lit les lignes relatives a la description d'une feuille de hierarchie
*/
{
int ii, fieldref, size;
char Name1[256], Char1[256], Char2[256];
DrawSheetStruct *SheetStruct;
DrawSheetLabelStruct *SheetLabelStruct, *OldSheetLabel = NULL;
int Failed = FALSE;
char * ptcar;

	SheetStruct = new DrawSheetStruct();
	SheetStruct->m_TimeStamp = GetTimeStamp();
	SheetStruct->m_Parent = Window;

	if(Line[0] == '$')	/* Ligne doit etre "$Sheet" */
		{
		LineCount++;
		if( fgets(Line, 256 - 1, f) == 0)
			{
			MsgDiag.Printf( wxT("Read File Errror") ); return(TRUE);
			}
		}

	/* Next line: must be "S xx yy nn mm" with xx, yy = sheet position
		( upper left corner  ) et nn,mm = sheet size */
	if( (sscanf(&Line[1], "%d %d %d %d",
				&SheetStruct->m_Pos.x, &SheetStruct->m_Pos.y,
				&SheetStruct->m_Size.x, &SheetStruct->m_Size.y) != 4) ||
				(Line[0] != 'S' ) )
	{
		MsgDiag.Printf(
				wxT(" ** EESchema file sheet struct error at line %d, aborted"),
					LineCount);
		Failed = TRUE;
		return(Failed);
	}

	/* Lecture des champs */
	for(;;)	/* Analyse des lignes "Fn "texte" .." */
		{
		LineCount++;
		if( fgets(Line, 256 - 1, f) == NULL ) return(TRUE);
		if( Line[0] != 'F' ) break;
		sscanf(Line+1,"%d", &fieldref);
		/* Lecture du champ :
		si fieldref >= 2 :  Fn "texte" t s posx posy
		sinon F0 "texte" pour sheetname
			et F1 "texte" pour filename */

		ptcar = Line; while( *ptcar && (*ptcar != '"') ) ptcar++;
		if( *ptcar != '"')
			{
			MsgDiag.Printf(
				wxT(" ** EESchema file sheet label F%d at line %d, aborted"),
						fieldref, LineCount);
			return(TRUE);
			}
		
		for(ptcar++, ii = 0; ; ii++, ptcar++ )
			{
			Name1[ii] = *ptcar;
			if( *ptcar == 0 )
				{
				MsgDiag.Printf(
					wxT(" ** EESchema file sheet field F at line %d, aborted"), LineCount);
				return(TRUE);
				}
			if( *ptcar == '"' )
				{
				Name1[ii] = 0; ptcar++;
				break;
				}
			}

		if( ( fieldref == 0 ) || ( fieldref == 1 ) )
			{
			if( sscanf(ptcar, "%d", &size) != 1 )
				{
				MsgDiag.Printf(
				wxT(" ** EESchema file sheet Label Caract error line %d, aborted"),LineCount);
				DisplayError(frame, MsgDiag);
				}
			if(size == 0) size = DEFAULT_SIZE_TEXT;
			if ( fieldref == 0 )
				{
				SheetStruct->m_SheetName = CONV_FROM_UTF8(Name1);
				SheetStruct->m_SheetNameSize = size;
				}
			else
				{
				SheetStruct->m_FileName = CONV_FROM_UTF8(Name1);
				SheetStruct->m_FileNameSize = size;
				}
			}

		if( fieldref > 1 )
			{
			SheetLabelStruct = new DrawSheetLabelStruct(SheetStruct,
						wxPoint(0,0), CONV_FROM_UTF8(Name1) );
			if( SheetStruct->m_Label == NULL )
				OldSheetLabel = SheetStruct->m_Label = SheetLabelStruct;
			else OldSheetLabel->Pnext = (EDA_BaseStruct*)SheetLabelStruct;
			OldSheetLabel = SheetLabelStruct;

			/* Lecture des coordonnees */
			if( sscanf(ptcar, "%s %s %d %d %d", Char1, Char2,
					&SheetLabelStruct->m_Pos.x, &SheetLabelStruct->m_Pos.y,
					&size) != 5 )
				{
				MsgDiag.Printf(
				wxT(" ** EESchema file Sheet Label Caract error line %d, aborted"),LineCount);
				DisplayError(frame, MsgDiag);
				continue;
				}

			if(size == 0) size = DEFAULT_SIZE_TEXT;
			SheetLabelStruct->m_Size.x = SheetLabelStruct->m_Size.y = size;
			/* Mise a jour des cadrage et type */
			switch( Char1[0])
				{
				case 'I': SheetLabelStruct->m_Shape = NET_INPUT; break;
				case 'O': SheetLabelStruct->m_Shape = NET_OUTPUT; break;
				case 'B': SheetLabelStruct->m_Shape = NET_BIDI; break;
				case 'T': SheetLabelStruct->m_Shape = NET_TRISTATE; break;
				case 'U': SheetLabelStruct->m_Shape = NET_UNSPECIFIED; break;
				}
			if( Char2[0] == 'R' ) SheetLabelStruct->m_Edge = 1;
			}
		}

	if( strnicmp("$End", Line,4) != 0 )
		{
		MsgDiag.Printf(
				wxT(" **EESchema file end_sheet struct error at line %d, aborted"),
								LineCount);
		Failed = TRUE;
		}

	if (!Failed)
		{
		SheetStruct->Pnext = Window->EEDrawList;
		Window->EEDrawList = (EDA_BaseStruct *) SheetStruct;
		}

	return(Failed);  /* Fin lecture 1 composant */
}


/******************************************************************/
static int ReadSchemaDescr(wxWindow * frame, char *Line, FILE *f, BASE_SCREEN * Window)
/******************************************************************/
/* Analyse de l'entete du schema ( dims feuille, cartouche..)
*/
{
char Text[256], buf[1024];
int ii;
Ki_PageDescr * wsheet = &g_Sheet_A4;
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};
wxSize PageSize;
	
	sscanf(Line, "%s %s %d %d", Text, Text, & PageSize.x, & PageSize.y);
	/* Recherche de la descr correspondante: */
	wxString pagename = CONV_FROM_UTF8(Text);
	for(ii = 0; SheetFormatList[ii] != NULL; ii++ )
	{
		wsheet = SheetFormatList[ii];
		if( wsheet->m_Name.CmpNoCase(pagename) == 0 )
		{ /* Descr found ! */
			if ( wsheet == & g_Sheet_user )	// Get the user page size and make it the default
			{
				g_Sheet_user.m_Size = PageSize;
			}
			break;
		}
	}

	if( SheetFormatList[ii] == NULL )
		{
		/* Erreur ici: descr non trouvee */
		MsgDiag.Printf(
			wxT("EESchema file Dims Caract error line %d, aborted"),LineCount);
		DisplayError(frame, MsgDiag);
		}

	/* Ajuste ecran */
	Window->m_CurrentSheet = wsheet;

	/* Recheche suite et fin de descr */
	for( ;; )
		{
		if( GetLine(f, Line, &LineCount, 1024 ) == NULL ) return(TRUE);
		if( strnicmp(Line,"$End",4) == 0 ) break;

		if( strnicmp(Line,"Sheet",2) == 0 )
			sscanf( Line+5," %d %d",
				&Window->m_SheetNumber,&Window->m_NumberOfSheet);
 
		if( strnicmp(Line,"Title",2) == 0 )
			{
			ReadDelimitedText( buf, Line, 256);
			Window->m_Title = CONV_FROM_UTF8(buf);
			continue;
			}
		
		if( strnicmp(Line,"Date",2) == 0 )
			{
			ReadDelimitedText( buf, Line, 256);
			Window->m_Date = CONV_FROM_UTF8(buf);
			continue;
			}

		if( strnicmp(Line,"Rev",2) == 0 )
			{
			ReadDelimitedText( buf, Line, 256);
			Window->m_Revision = CONV_FROM_UTF8(buf);
			continue;
			}

		if( strnicmp(Line,"Comp",4) == 0 )
			{
			ReadDelimitedText( buf, Line, 256);
			Window->m_Company = CONV_FROM_UTF8(buf);
			continue;
			}

		if( strnicmp(Line,"Comment1",8) == 0 )
			{
			ReadDelimitedText( buf, Line, 256);
			Window->m_Commentaire1 = CONV_FROM_UTF8(buf);
			continue;
			}

		if( strnicmp(Line,"Comment2",8) == 0 )
			{
			ReadDelimitedText( buf, Line, 256);
			Window->m_Commentaire2 = CONV_FROM_UTF8(buf);
			continue;
			}

		if( strnicmp(Line,"Comment3",8) == 0 )
			{
			ReadDelimitedText( buf, Line, 256);
			Window->m_Commentaire3 = CONV_FROM_UTF8(buf);
			continue;
			}

		if( strnicmp(Line,"Comment4",8) == 0 )
			{
			ReadDelimitedText( buf, Line, 256);
			Window->m_Commentaire4 = CONV_FROM_UTF8(buf);
			continue;
			}
		}
	return(FALSE);
}

/***********************************/
static void LoadLayers(FILE *f, int * linecnt)
/***********************************/
/* Load the Layer Struct from a file
*/
{
int cnt = 0, Number;
char Line[1024];
//int Mode,Color,Layer;
char Name[256];

	GetLine(f, Line, NULL, sizeof(Line) );		 /* read line */
	(*linecnt)++;
	sscanf(Line,"%s %d %d",Name,&Number,&g_LayerDescr.CurrentLayer);
	if( strcmp(Name,"EELAYER") !=0 )
		{
		/* error : init par defaut */
		Number = MAX_LAYER;
		}
	if ( Number <= 0 ) Number = MAX_LAYER;
	if ( Number > MAX_LAYER ) Number = MAX_LAYER;

	g_LayerDescr.NumberOfLayers=Number;

	while( GetLine(f, Line, NULL, sizeof(Line)) )
		{
		(*linecnt)++;
		if( strnicmp(Line,"EELAYER END",11) == 0 ) break;
		cnt++;
		}
}