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{
This file is part of the Free Component Library (FCL)
Copyright (c) 1999-2000 by the Free Pascal development team
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
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.
**********************************************************************}
unit wtex;
interface
{$ifdef fpc}
{$mode objfpc}
{$endif}
uses wformat,classes,sysutils;
Type
TTexWriter=Class(TFormattingWriter)
FCellCount : Integer;
Protected
Procedure IncCellCount;
Property CellCount : Integer Read FCellCount Write FCellCount;
Public
Procedure ScopeStart;
Procedure ScopeEnd;
Procedure EnvironmentStart(Const Name,Opts : String);
Procedure EnvironmentEnd(Const Name : String);
Function EscapeText (AText : String) : String; override;
Procedure DocumentStart(Const Title : String); override;
Procedure DocumentEnd; override;
Procedure HeaderStart(Alevel : Integer); override;
Procedure HeaderEnd(Alevel : Integer); override;
Procedure ParagraphEnd; override;
Procedure LineBreak; override;
Procedure Rule; override;
Procedure BoldStart; override;
Procedure BoldEnd;override;
Procedure ItalicStart;override;
Procedure ItalicEnd;override;
Procedure UnderlineStart;override;
Procedure UnderlineEnd;override;
Procedure PreformatStart; override;
Procedure PreformatEnd; override;
Procedure TableStart( NoCols: Integer; Border : Boolean); override;
Procedure TableEnd; override;
Procedure RowStart; override;
Procedure RowEnd; override;
Procedure CellStart; override;
Procedure HeaderCellStart; override;
Procedure HeaderCellEnd; override;
Procedure ListStart(ListType : TListType); override;
Procedure ListEnd(ListType : TListType); override;
Procedure ListItemStart; override;
Procedure DefinitionItem(Const Aname,AText : String); override;
end;
Const
ListNames : Array[TListType] of string
= ('enumerate','itemize','definition');
implementation
{ TTexWriter }
procedure TTexWriter.BoldEnd;
begin
ScopeEnd;
end;
procedure TTexWriter.BoldStart;
begin
dump('\textbf');
ScopeStart;
end;
procedure TTexWriter.CellStart;
begin
If CellCount<>0 then
Dump('&');
IncCellCount;
end;
procedure TTexWriter.DefinitionItem(const Aname, AText: String);
begin
dump('\item[');
Write(AName);
Dump(']');
Write(Atext);
end;
procedure TTexWriter.DocumentEnd;
begin
dump('\end{document}')
end;
procedure TTexWriter.DocumentStart(const Title: String);
begin
dumpln('\documentclass{report}');
dumpln('\usepackage{a4}');
dumpln('\begin{document}');
dump('\title');
ScopeStart;
Write(Title);
ScopeEnd;
end;
procedure TTexWriter.EnvironmentStart(const Name,opts: String);
begin
Dump('\begin');
If Opts<>'' then
Dump(Opts);
ScopeStart;
Dump(Name);
ScopeEnd;
end;
procedure TTexWriter.EnvironmentEnd(const Name: String);
begin
Dump('\end');
ScopeStart;
Dump(Name);
ScopeEnd;
end;
function TTexWriter.EscapeText(AText: String): String;
begin
Result:=StringReplace(AText,'_','\_',[rfReplaceAll]);
end;
procedure TTexWriter.HeaderCellEnd;
begin
CellEnd;
end;
procedure TTexWriter.HeaderCellStart;
begin
CellStart;
end;
procedure TTexWriter.HeaderEnd(Alevel: Integer);
begin
ScopeEnd;
Dumpln('');
end;
procedure TTexWriter.HeaderStart(Alevel: Integer);
Const
Headers : Array [0..4] of string =
('\part','\chapter','\section','\subsection','\subsubsection');
begin
dump(Headers[Alevel]);
ScopeStart;
end;
procedure TTexWriter.IncCellCount;
begin
Inc(FCellCount);
end;
procedure TTexWriter.ItalicEnd;
begin
ScopeEnd;
end;
procedure TTexWriter.ItalicStart;
begin
dump('\textit');
ScopeStart;
end;
procedure TTexWriter.LineBreak;
begin
Dump('\\');
end;
procedure TTexWriter.ListEnd(ListType: TListType);
begin
EnvironmentEnd(ListNames[ListType]);
end;
procedure TTexWriter.ListItemStart;
begin
dump('\item');
end;
procedure TTexWriter.ListStart(ListType: TListType);
begin
EnvironmentStart(ListNames[ListType],'');
end;
procedure TTexWriter.ParagraphEnd;
begin
DumpLn(LineFeed+LineFeed);
end;
procedure TTexWriter.PreformatEnd;
begin
EnvironmentEnd('verbatim')
end;
procedure TTexWriter.PreformatStart;
begin
EnvironmentStart('verbatim','')
end;
procedure TTexWriter.RowEnd;
begin
DumpLn('\\')
end;
procedure TTexWriter.RowStart;
begin
FCellCount:=0;
end;
procedure TTexWriter.Rule;
begin
dump('\hline');
end;
procedure TTexWriter.ScopeEnd;
begin
Dump('}');
end;
procedure TTexWriter.ScopeStart;
begin
Dump('{');
end;
procedure TTexWriter.TableStart(NoCols: Integer; Border: Boolean);
begin
// EnvironmentStart('table','');
EnvironmentStart('tabular','');
ScopeStart;
Dump(StringOfChar('l',NoCols));
ScopeEnd;
DumpLn('');
end;
procedure TTexWriter.TableEnd;
begin
EnvironmentEnd('tabular');
// EnvironmentEnd('table');
end;
procedure TTexWriter.UnderlineEnd;
begin
ScopeEnd;
end;
procedure TTexWriter.UnderlineStart;
begin
dump('\textul');
ScopeStart;
end;
end.
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