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All: use a S expression to describe the page layout (title block and grid references). Work in progress.

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This should  allow users to define their own page layout.
This commit is contained in:
jean-pierre charras
2013-06-05 14:03:16 +02:00
parent 5deaba9669
commit 3655df08ea
20 changed files with 1174 additions and 1072 deletions
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common/page_layout_reader.cpp
+461
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@@ -0,0 +1,461 @@
/**
* @file page_layout_reader.cpp
* @brief read an S expression of description of graphic items and texts
* to build a title block and page layout
*/
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2013 Jean-Pierre Charras <jp.charras at wanadoo.fr>.
* Copyright (C) 1992-2013 KiCad Developers, see change_log.txt for contributors.
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <fctsys.h>
#include <base_struct.h>
#include <worksheet.h>
#include <worksheet_shape_builder.h>
#include <vector2d.h>
#include <page_layout_reader_lexer.h>
// defaultPageLayout is the default page layout description
// using the S expr.
// see page_layout_default_shape.cpp
extern const wxString defaultPageLayout;
using namespace TB_READER_T;
/**
* Class PAGE_LAYOUT_READER_PARSER
* holds data and functions pertinent to parsing a S-expression file
* for a WORKSHEET_LAYOUT.
*/
class PAGE_LAYOUT_READER_PARSER : public PAGE_LAYOUT_READER_LEXER
{
DSIZE m_defaultTextSize; // Default text size, when not defined inside a tbtext
double m_defaultLineWidth;
double m_defaulTextLineWidth;
public:
PAGE_LAYOUT_READER_PARSER( const char* aLine, const wxString& aSource );
void Parse( WORKSHEET_LAYOUT* aLayout )
throw( PARSE_ERROR, IO_ERROR );
private:
/**
* Function parseInt
* parses an integer and constrains it between two values.
* @param aMin is the smallest return value.
* @param aMax is the largest return value.
* @return int - the parsed integer.
*/
int parseInt( int aMin, int aMax );
/**
* Function parseDouble
* parses a double
* @return double - the parsed double.
*/
double parseDouble();
void parseSetup() throw( IO_ERROR, PARSE_ERROR );
void parseGraphic( WORKSHEET_DATAITEM * aItem ) throw( IO_ERROR, PARSE_ERROR );
void parseText( WORKSHEET_DATAITEM_TEXT * aItem ) throw( IO_ERROR, PARSE_ERROR );
void parseCoordinate( POINT_COORD& aCoord) throw( IO_ERROR, PARSE_ERROR );
};
// PCB_PLOT_PARAMS_PARSER
PAGE_LAYOUT_READER_PARSER::PAGE_LAYOUT_READER_PARSER( const char* aLine, const wxString& aSource ) :
PAGE_LAYOUT_READER_LEXER( aLine, aSource )
{
m_defaultTextSize.x = m_defaultTextSize.y = TB_DEFAULT_TEXTSIZE;
m_defaultLineWidth = 0.0;
m_defaulTextLineWidth = 0.0;
}
void PAGE_LAYOUT_READER_PARSER::Parse( WORKSHEET_LAYOUT* aLayout )
throw( PARSE_ERROR, IO_ERROR )
{
T token;
WORKSHEET_DATAITEM * item;
LOCALE_IO toggle;
while( ( token = NextTok() ) != T_RIGHT )
{
if( token == T_EOF)
break;
if( token == T_LEFT )
token = NextTok();
if( token == T_page_layout )
continue;
switch( token )
{
case T_setup: // Defines default values for graphic items
parseSetup();
break;
case T_line:
item = new WORKSHEET_DATAITEM( WORKSHEET_DATAITEM::WS_SEGMENT );
parseGraphic( item );
aLayout->Append( item );
break;
case T_rect:
item = new WORKSHEET_DATAITEM( WORKSHEET_DATAITEM::WS_RECT );
parseGraphic( item );
aLayout->Append( item );
break;
case T_tbtext:
NeedSYMBOLorNUMBER();
item = new WORKSHEET_DATAITEM_TEXT( FromUTF8() );
parseText( (WORKSHEET_DATAITEM_TEXT*) item );
aLayout->Append( item );
break;
default:
Unexpected( CurText() );
break;
}
}
}
void PAGE_LAYOUT_READER_PARSER::parseSetup() throw( IO_ERROR, PARSE_ERROR )
{
T token;
while( ( token = NextTok() ) != T_RIGHT )
{
if( token == T_EOF)
break;
switch( token )
{
case T_LEFT:
break;
case T_linewidth:
m_defaultLineWidth = parseDouble();
NeedRIGHT();
break;
case T_textsize:
m_defaultTextSize.x = parseDouble();
m_defaultTextSize.y = parseDouble();
NeedRIGHT();
break;
case T_textlinewidth:
m_defaulTextLineWidth = parseDouble();
NeedRIGHT();
break;
default:
Unexpected( CurText() );
break;
}
}
}
void PAGE_LAYOUT_READER_PARSER::parseGraphic( WORKSHEET_DATAITEM * aItem )
throw( IO_ERROR, PARSE_ERROR )
{
T token;
aItem->m_LineWidth = m_defaultLineWidth;
while( ( token = NextTok() ) != T_RIGHT )
{
if( token == T_EOF)
break;
if( token == T_LEFT )
token = NextTok();
switch( token )
{
case T_comment: // Comment, search the closing ')'
while( ( token = NextTok() ) != T_RIGHT && token != T_EOF );
break;
case T_start:
parseCoordinate( aItem->m_Pos );
break;
case T_end:
parseCoordinate( aItem->m_End );
break;
case T_repeat:
aItem->m_RepeatCount = parseInt( -1, 100 );
NeedRIGHT();
break;
case T_incrx:
aItem->m_IncrementVector.x = parseDouble();
NeedRIGHT();
break;
case T_incry:
aItem->m_IncrementVector.y = parseDouble();
NeedRIGHT();
break;
case T_linewidth:
aItem->m_LineWidth = parseDouble();
NeedRIGHT();
break;
default:
Unexpected( CurText() );
break;
}
}
}
void PAGE_LAYOUT_READER_PARSER::parseText( WORKSHEET_DATAITEM_TEXT* aItem )
throw( IO_ERROR, PARSE_ERROR )
{
T token;
aItem->m_TextSize = m_defaultTextSize;
aItem->m_LineWidth = m_defaulTextLineWidth;
while( ( token = NextTok() ) != T_RIGHT )
{
if( token == T_EOF)
break;
if( token == T_LEFT )
token = NextTok();
switch( token )
{
case T_comment: // Comment, search the closing ')'
while( ( token = NextTok() ) != T_RIGHT && token != T_EOF );
break;
case T_pos:
parseCoordinate( aItem->m_Pos );
break;
case T_repeat:
aItem->m_RepeatCount = parseInt( -1, 100 );
NeedRIGHT();
break;
case T_incrx:
aItem->m_IncrementVector.x = parseDouble();
NeedRIGHT();
break;
case T_incry:
aItem->m_IncrementVector.y = parseDouble();
NeedRIGHT();
break;
case T_incrlabel:
aItem->m_IncrementLabel = parseInt(INT_MIN, INT_MAX);
NeedRIGHT();
break;
case T_maxlen:
aItem->m_BoundingBoxSize.x = parseDouble();
NeedRIGHT();
break;
case T_maxheight:
aItem->m_BoundingBoxSize.y = parseDouble();
NeedRIGHT();
break;
case T_font:
while( ( token = NextTok() ) != T_RIGHT )
{
if( token == T_EOF)
break;
switch( token )
{
case T_LEFT:
break;
case T_bold:
aItem->m_Flags |= USE_BOLD;
break;
case T_italic:
aItem->m_Flags |= USE_ITALIC;
break;
case T_size:
aItem->m_TextSize.x = parseDouble();
aItem->m_TextSize.y = parseDouble();
NeedRIGHT();
break;
case T_linewidth:
aItem->m_LineWidth = parseDouble();
NeedRIGHT();
break;
default:
Unexpected( CurText() );
break;
}
}
break;
case T_justify:
while( ( token = NextTok() ) != T_RIGHT )
{
if( token == T_EOF)
break;
switch( token )
{
case T_center:
aItem->m_Hjustify = GR_TEXT_HJUSTIFY_CENTER;
aItem->m_Vjustify = GR_TEXT_VJUSTIFY_CENTER;
break;
case T_left:
aItem->m_Hjustify = GR_TEXT_HJUSTIFY_LEFT;
break;
case T_right:
aItem->m_Hjustify = GR_TEXT_HJUSTIFY_RIGHT;
break;
case T_top:
aItem->m_Vjustify = GR_TEXT_VJUSTIFY_TOP;
break;
case T_bottom:
aItem->m_Vjustify = GR_TEXT_VJUSTIFY_BOTTOM;
break;
default:
Unexpected( CurText() );
break;
}
}
break;
case T_rotate:
aItem->m_Orient = parseDouble();
NeedRIGHT();
break;
default:
Unexpected( CurText() );
break;
}
}
}
// parse an expression like " 25 1 ltcorner)"
void PAGE_LAYOUT_READER_PARSER::parseCoordinate( POINT_COORD& aCoord)
throw( IO_ERROR, PARSE_ERROR )
{
T token;
aCoord.m_Pos.x = parseDouble();
aCoord.m_Pos.y = parseDouble();
while( ( token = NextTok() ) != T_RIGHT )
{
switch( token )
{
case T_ltcorner:
aCoord.m_Anchor = LT_CORNER; // left top corner
break;
case T_lbcorner:
aCoord.m_Anchor = LB_CORNER; // left bottom corner
break;
case T_rbcorner:
aCoord.m_Anchor = RB_CORNER; // right bottom corner
break;
case T_rtcorner:
aCoord.m_Anchor = RT_CORNER; // right top corner
break;
default:
Unexpected( CurText() );
break;
}
}
}
int PAGE_LAYOUT_READER_PARSER::parseInt( int aMin, int aMax )
{
T token = NextTok();
if( token != T_NUMBER )
Expecting( T_NUMBER );
int val = atoi( CurText() );
if( val < aMin )
val = aMin;
else if( val > aMax )
val = aMax;
return val;
}
double PAGE_LAYOUT_READER_PARSER::parseDouble()
{
T token = NextTok();
if( token != T_NUMBER )
Expecting( T_NUMBER );
double val = strtod( CurText(), NULL );
return val;
}
void WORKSHEET_LAYOUT::SetDefaultLayout()
{
PAGE_LAYOUT_READER_PARSER lp_parser( defaultPageLayout, "default page" );
try
{
lp_parser.Parse( this );
}
catch( IO_ERROR ioe )
{
wxLogMessage( ioe.errorText );
}
}