cgal/Packages/Manual_tools/format/cc_manual.sty

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% ___________________________________________________________________________
% |#########################################################################|
% | |
% | The Cgal Kernel Reference Manual Style cc_manual.sty |
% | -------------------------------------------------------- |
% | |
% | 03.08.1995 Berlin Lutz Kettner, started |
% | $Revision$ |
% | $Date$ |
% |_________________________________________________________________________|
% |#########################################################################|
% | |
% | Table of Contents: |
% | |
% | o Page Layout and Page Dimensions |
% | o Advanced Customization of the Layout |
% | o Common Abbreviations |
% | o Structuring Macros |
% | o C++ Declarations |
% | o Class and Class Member Declarations |
% | o Global C++ Declarations |
% | o HTML Language Support in the Style File |
% | |
% | o Internal Macros, not for Usage in the Manual |
% | * Predicates |
% | * Toplevel declaration formatting |
% | * Formatting of simple C++ code |
% | * Formatting of operator declarations |
% | * Template declaration separation |
% | * Parameter list parsing |
% | * Parameter Parsing |
% | |
% | |
% |#########################################################################|
{ \catcode`\$=12
\def\cs #1$#2${\gdef#1{#2}}%
\cs\ccRevision$Revision$%
\cs\ccDate$Date$%
}
% debug option, use only for small files!
%\tracingmacros=1
% ___________________________________________________________________________
% ###########################################################################
% |
% | o Page Layout and Page Dimensions
% |
% ###########################################################################
% +--------------------------------------------------------------------------
% | Dimensions (from the LEDA Manual):
% +--------------------------------------------------------------------------
%\hoffset=-0.5truemm \voffset=0.5truecm
%\hsize=16truecm \vsize=23.5truecm
%\hsize=13.3truecm \vsize=19.8truecm
\baselineskip 14pt
\spaceskip .4em plus .25em minus .25em
\xspaceskip .65em
\parskip 11pt plus 1pt minus 1pt
\parindent 0pt
% +--------------------------------------------------------------------------
% | New Dimensions (for the CGAL Manual):
% | Especially to format all multi column declarations.
% |
% | The dimensions \ccFirst and \ccSecond are set to the appropriate
% | values. Afterwards, the \ccInitWidths does the rest.
% +--------------------------------------------------------------------------
\newdimen\ccwIndent
\newdimen\ccwRightMargin
\newdimen\ccwFirst
\newdimen\ccwFirstLong
\newdimen\ccwSecond
\newdimen\ccwSecondLong
\newdimen\ccwComment
\newdimen\ccwBetween
\newdimen\ccwParam
\newdimen\ccwParamIndent
\newdimen\ccwFunctionFirst
\newdimen\ccwFunctionSecond
\newdimen\ccwConstructorFirst
\newdimen\ccwConstructorSecond
% init them
% ---------
\ccwIndent = 0pt
\ccwRightMargin = 0pt
\ccwBetween = 0.5cm
\ccwParamIndent = 1.2cm
\ccwFunctionFirst = 2.5cm
\ccwFunctionSecond = 4.5cm
\ccwConstructorFirst = -1\ccwBetween
\ccwConstructorSecond = 2.5cm
% This initialisation is called prior to each declaration formatting.
% All boxes will be positioned from left. The exception is the comment
% box which will be flushed to the right (minus right margin).
\newcommand{\ccInitWidths}{%
\ccwFirstLong = \textwidth
\advance\ccwFirstLong -\ccwIndent
\advance\ccwFirstLong -\ccwRightMargin
\ccwSecondLong = \ccwFirstLong
\advance\ccwSecondLong -\ccwFirst
\advance\ccwSecondLong -\ccwBetween
\ccwComment = \ccwSecondLong
\advance\ccwComment -\ccwSecond
\advance\ccwComment -\ccwBetween
\ccwParam = \ccwFirst
\advance\ccwParam \ccwIndent
\advance\ccwParam \ccwBetween
\advance\ccwParam \ccwParamIndent
}
\ccInitWidths
% define macros for the vertical structuring
% ------------------------------------------
\newcommand{\ccTopSkip}{\smallskip}
\newcommand{\ccReverseTopSkip}{\vspace{-\smallskipamount}}
\newcommand{\ccReturnSkip}{\par\hspace*{\ccwIndent}\hspace*{\ccwFirst}%
\hspace*{\ccwBetween}}
\newcommand{\ccMiddleSkip}{\par\hspace*{1cm}\hfill} % aligns commentblock
% to the right
\newcommand{\ccBottomSkip}{%
\par\smallskip
\def\ccTagBottomBigSkipUsed{\ccFalse}%
}
\newcommand{\ccBottomBigSkip}{%
\par\bigskip
\def\ccTagBottomBigSkipUsed{\ccTrue}%
}
\newcommand{\ccReverseBottomSkip}{\vspace{-\smallskipamount}}
\newcommand{\ccReverseBottomBigSkip}{\vspace{-\bigskipamount}}
% A macro to glue declarations together
% -------------------------------------
% We have to distinguish between different layouts in
% \ccLayoutThreeColumns. One uses \ccBottomSkip, one uses
% \ccBottomBigSkip. The following tag stores the most recently used.
%\newcommand{\ccTagBottomBigSkipUsed}{\ccFalse}
\def\ccTagBottomBigSkipUsed{\ccFalse}
\newcommand{\ccGlueDeclarations}{%
\ifnum\ccTagBottomBigSkipUsed=\ccTrue
\ccReverseBottomBigSkip\vspace{-\parskip}%
\else
\ccReverseTopSkip\ccReverseBottomSkip\vspace{-\parskip}%
\fi
}
% ___________________________________________________________________________
% ###########################################################################
% |
% | o Advanced Customization of the Layout
% |
% ###########################################################################
% +--------------------------------------------------------------------------
% | Customization tags for the style: here are the defaults defined.
% +--------------------------------------------------------------------------
\newcommand{\ccTagChapterAuthor}{} % true -> the author is shown.
\newcommand{\ccTagReplacePrefix}{} % true -> prefixes are replaced.
\newcommand{\ccTagReplaceInclude}{} % true -> include file prefixes
% are replaced when
% \ccTagReplacePrefix is also true.
\newcommand{\ccAlternateThreeColumn}{}% true -> function paramters are aligned
% below the opening paranthesis, else
% they are aligned in a fixed column.
% Declaration Layout tags
\newcommand{\ccTagRmConstRefPair}{} % true -> removes const & pairs
% when it appearing in parameters
% and return values.
\newcommand{\ccTagRmEigenClassName}{} % true -> removes own class name
% when it appears in parameter list.
\newcommand{\ccTagOperatorLayout}{} % true -> format operators
\newcommand{\ccTagRmTrailingConst}{} % true -> trailing const declarat.
% for member fct's are removed.
\newcommand{\ccTagDefaults}{%
\def\ccTagChapterAuthor{\ccTrue}%
\def\ccTagReplacePrefix{\ccFalse}%
\def\ccTagReplaceInclude{\ccFalse}%
\def\ccAlternateThreeColumn{\ccTrue}%
% Declaration Layout tags
\def\ccTagRmTrailingConst{\ccTrue}%
\def\ccTagRmEigenClassName{\ccTrue}%
\def\ccTagRmConstRefPair{\ccTrue}%
\def\ccTagOperatorLayout{\ccTrue}%
% portability namings
\def\CCalternateThreeColumn{\ccTrue}%
}
\newcommand{\ccTagFullDeclarations}{%
\def\ccTagRmTrailingConst{\ccFalse}%
\def\ccTagRmEigenClassName{\ccFalse}%
\def\ccTagRmConstRefPair{\ccFalse}%
\def\ccTagOperatorLayout{\ccFalse}%
}
% portability namings
\newcommand{\CCalternateThreeColumn}{}
% activate defaults
\ccTagDefaults
% +--------------------------------------------------------------------------
% | Customization of the three columns or two columns layout
% |
% |
% +--------------------------------------------------------------------------
\newdimen\ccwTmp
\newcommand{\ccSetTwoOfThreeColumns}[2]{%
\global\ccwFunctionFirst=#1
\global\ccwFunctionSecond=#2
}
\newcommand{\ccSetThreeColumns}{\begingroup\ccCatcode\ccSetThreeColumnsX}
\def\ccSetThreeColumnsX #1#2{\endgroup\ccSetThreeColumnsXX{#1}{#2}}
\def\ccSetThreeColumnsXX #1#2#3{%
\isEmpty{#3}\ifnum\ccBool=\ccTrue
\setbox0=\hbox{\mbox{\ccStyle{#1}}}\setbox1=\hbox{\mbox{\ccStyle{#2}}}%
\ccSetTwoOfThreeColumns{\wd0}{\wd1}%
\else\isEmpty{#2}\ifnum\ccBool=\ccTrue
\setbox0=\hbox{\mbox{\ccStyle{#1}}}\setbox1=\hbox{\mbox{#3}}%
\ccwTmp=\textwidth
\advance\ccwTmp -\wd0
\advance\ccwTmp -\wd1
\advance\ccwTmp -\ccwIndent
\advance\ccwTmp -\ccwRightMargin
\advance\ccwTmp -\ccwBetween
\advance\ccwTmp -\ccwBetween
\ccSetTwoOfThreeColumns{\wd0}{\ccwTmp}%
\else\isEmpty{#1}\ifnum\ccBool=\ccTrue
\setbox0=\hbox{\mbox{\ccStyle{#2}}}\setbox1=\hbox{\mbox{#3}}%
\ccwTmp=\textwidth
\advance\ccwTmp -\wd0
\advance\ccwTmp -\wd1
\advance\ccwTmp -\ccwIndent
\advance\ccwTmp -\ccwRightMargin
\advance\ccwTmp -\ccwBetween
\advance\ccwTmp -\ccwBetween
\ccSetTwoOfThreeColumns{\ccwTmp}{\wd0}%
\else
\errmessage{\ccSetThreeColumns expects one empty parameter. Go
ahead, the old settings will remain active.}%
\fi\fi\fi
}
\newcommand{\ccSetOneOfTwoColumns}[1]{%
\global\ccwConstructorSecond=#1
}
\newcommand{\ccSetTwoColumns}{\begingroup\ccCatcode\ccSetTwoColumnsX}
\def\ccSetTwoColumnsX #1{\endgroup\ccSetTwoColumnsXX{#1}}
\def\ccSetTwoColumnsXX #1#2{%
\isEmpty{#2}\ifnum\ccBool=\ccTrue
\setbox0=\hbox{\mbox{\ccStyle{#1}}}%
\ccSetOneOfTwoColumns{\wd0}%
\else\isEmpty{#1}\ifnum\ccBool=\ccTrue
\setbox0=\hbox{\mbox{#2}}%
\ccwTmp=\textwidth
\advance\ccwTmp -\wd0
\advance\ccwTmp -\ccwIndent
\advance\ccwTmp -\ccwRightMargin
\advance\ccwTmp -\ccwBetween % \ccwConstructorFirst = -1\ccwBetween
\ccSetOneOfTwoColumns{\ccwTmp}%
\else
\errmessage{\ccSetTwoColumns expects one empty parameter. Go
ahead, the old settings will remain active.}%
\fi\fi
}
\newcommand{\ccPropagateThreeToTwoColumns}{%
\ccwTmp=\ccwFunctionFirst
\advance\ccwTmp \ccwFunctionSecond
\advance\ccwTmp \ccwBetween
\ccSetOneOfTwoColumns{\ccwTmp}%
}
% portability namings
\newcommand{\threecolumns}{\ccSetTwoOfThreeColumns}
\newcommand{\constructorcolumn}{\ccSetOneOfTwoColumns}
% +--------------------------------------------------------------------------
% | \ccMakeAllVisible:
% | The invisible declaratiniol parts in the manual that are written
% | with \ccDeclaration and \ccHidden are made visible with this macro.
% +--------------------------------------------------------------------------
% If these non visible parts of the code should be made visible once,
% the following macro switches it on.
\newcommand{\ccMakeAllVisible}{%
\renewcommand{\ccDeclaration}{\ccStyle}%
\renewcommand{\ccHidden}{}%
}
% +--------------------------------------------------------------------------
% | Formatting styles:
% |
% | The style of the C++ formatting can be customized by redefining the
% | following macros.
% +--------------------------------------------------------------------------
\newcommand{\ccFont}{\it} % font or style changing command in which all C++
% tokens will be typeset, including the variable names.
\newcommand{\ccEndFont}{\/} % will be used after a C++ text. For slanted fonts,
% here should stay \/ macro. The C++ code will be
% grouped, so this macros has not to restore the old
% font.
% The special characters in typical C++ declarations:
\newcommand{\ccOpenAngle }{\ccEndFont {\tt <}}
\newcommand{\ccCloseAngle}{\ccEndFont {\tt >}}
\newcommand{\ccAmpersand }{\ccEndFont {\tt \&}}
\newcommand{\ccUnderscore}{\raisebox{-.05ex}{\_}\kern.05em}
% \newcommand{\ccUnderscore}{\kern.05em\raisebox{.5ex}{\_}\kern-.1em}
\newcommand{\ccHat }{{\large $\;\,\hat{}\,\,$}}
\newcommand{\ccTilde }{{\lower.3ex \hbox{\large$\,\tilde{}\,$}}}
\newcommand{\ccHash }{{\rm \#}}
% The sign for an empty parameter (i.e. of the type of the current class).
\newcommand{\ccEmptyParameter}{$\diamondsuit$}
% Set the catcodes according to the C++ character set (including operators).
\gdef\ccCatcode {%
\catcode`\~=12
\catcode`\_=12
\catcode`\^=12
\catcode`\#=12
\catcode`\%=12
}
% +--------------------------------------------------------------------------
% | Replacement of Prefixes
% |
% | \ccSrcPrefix contains the old prefix
% | \ccTargetPrefix contains the new prefix
% |
% | \ccReplacePrefix #1#2 replaces all prefixes in #1 and applies #2 to
% | the partial results that have to be terminated
% | by \end.
% +--------------------------------------------------------------------------
\gdef\ccSrcPrefix{CGAL}
\gdef\ccTargetPrefix{CGAL}
\newcommand{\ccReplacePrefix}[2]{%
\edef\ccPair{{\ccSrcPrefix}{\ccTargetPrefix}}%
\expandafter\ccReplacePrefixX\ccPair{#1}{#2}%
}
% Does the actual work: #1 is the old prefix
% #2 is the new prefix
% #3 the text to process
% #4 the macro to be applied to the partial results
\def\ccReplacePrefixX #1#2#3#4{%
\def\repminusone ##1##2\end{%
\isEmpty{##2}\ifnum\ccBool=\ccFalse
\rep ##2\end
\fi
}%
% local macro to do the parsing: ##1 is the text before the old prefix
% ##2 is the text after the old prefix
\def\rep ##1#1##2\end{% set up a recursive loop
\def\repbody{\rep ##2\end}%
\isEmpty{##2}\ifnum\ccBool=\ccTrue
\isEmpty{##1}\ifnum\ccBool=\ccFalse
#4##1\end
\fi
\let\repnext=\relax
\else
% figure out whether it is a real prefix
\isPrefixFollowChar{##2}\ifnum\ccBool=\ccTrue
\isLastAlpha{##1}\ccInvert
\else\if
\fi\fi
\ifnum\ccBool=\ccTrue % it is a real prefix
\isUnderscore{##2}\ifnum\ccBool=\ccTrue
\isEmpty{#2}\ifnum\ccBool=\ccTrue
\def\repbody{\repminusone ##2\end}%
\fi
\isEmpty{##1#2}\ifnum\ccBool=\ccFalse
#4##1#2\end
\fi
\else
\ifnum\ccTagReplaceInclude=\ccTrue
\isEmpty{#2}\ifnum\ccBool=\ccTrue
\def\repbody{\repminusone ##2\end}%
\fi
\isEmpty{##1#2}\ifnum\ccBool=\ccFalse
#4##1#2\end
\fi
\else
#4##1#1\end
\fi
\fi
\else
\isEmpty{##1#1}\ifnum\ccBool=\ccFalse
#4##1#1\end
\fi
\fi
\let\repnext=\repbody
\fi
\repnext
}%
% call the above definition with at least one old prefix
\rep #3#1\end
}
% ___________________________________________________________________________
% ###########################################################################
% |
% | o Common Abbreviations
% |
% ###########################################################################
% +--------------------------------------------------------------------------
% | A handy macro to define macros for RCS entries in a TeX file
% +--------------------------------------------------------------------------
% #1 the macro name for the RCS entry
% #2 the RCS entry
\newcommand{\RCSdef}{\begingroup\catcode`\$=12 \RCSdefSet}
{ \catcode`\$=12
\gdef\RCSdefSet #1$#2${\gdef#1{#2}\endgroup}%
}
% +--------------------------------------------------------------------------
% | Original LEDA Manual macros (shortcuts):
% | Several new shortcuts for CGAL
% |
% | \CC, \gcc, \nat, \real, \boxit
% | \leda, \cgal, \protocgal, \plageo
% +--------------------------------------------------------------------------
% selfmade
\newcommand{\CC}{C\raise.08ex\hbox{\tt ++}}
\newcommand{\gcc}{g\hbox{\tt ++}}
\newcommand{\nat}{\hbox{\rm I\kern-0.045em N}}
\newcommand{\real}{\hbox{\rm I\kern-0.035em R}}
% \def\boxit#1{\vbox{\hrule\hbox{\vrule\kern3pt\vbox{#1}\kern3pt\vrule}\hrule}}
% (older) AMS-TeX style
\newcommand{\R}{\mbox{$\mathbb R$}} %% zusammen mit usepackage{amssymb}
\newcommand{\N}{\mbox{$\mathbb N$}} %% zusammen mit usepackage{amssymb}
\newcommand{\Z}{\mbox{$\mathbb Z$}} %% zusammen mit usepackage{amssymb}
\newcommand{\Q}{\mbox{$\mathbb Q$}} %% zusammen mit usepackage{amssymb}
\newcommand{\E}{\mbox{$\mathbb E$}} %% zusammen mit usepackage{amssymb}
% actual AMS-TeX style (according to Kopka LaTeX Ergaenzungsband S.92)
%\def\R{\mbox{$\Bbb{R}$}} %% zusammen mit usepackage{amssymb}
%\def\N{\mbox{$\Bbb{N}$}} %% zusammen mit usepackage{amssymb}
%\def\Z{\mbox{$\Bbb{Z}$}} %% zusammen mit usepackage{amssymb}
%\def\Q{\mbox{$\Bbb{Q}$}} %% zusammen mit usepackage{amssymb}
%\def\E{\mbox{$\Bbb{E}$}} %% zusammen mit usepackage{amssymb}
\newcommand{\leda}{{\sc Leda}}
\newcommand{\cgal}{{\sc Cgal}}
\newcommand{\protocgal}{{\sc C++gal}}
\newcommand{\plageo}{{\sc Plageo}}
% ___________________________________________________________________________
% ###########################################################################
% |
% | o Structuring Macros
% |
% ###########################################################################
% +--------------------------------------------------------------------------
% | Structuring macros (similar to LEDA Manual):
% |
% | \ccSection, \definition, \constants, \types, \creation, \operations,
% | \implementation, \example, \precond, \postcond, \chapterauthor
% +--------------------------------------------------------------------------
\newcommand{\ccChapterAuthor}[1]{%
\ifnum\ccTagChapterAuthor=\ccTrue
\noindent\setlength{\unitlength}{1mm}%
\begin{picture}(0,0)%
\put(0,11){{\em #1}}%
\end{picture}%
\fi}
\newcommand{\ccSection}[1]{%
\section[#1 (\protect\ccPrintSingleTokenSemi
\ccPureClassName;)]{#1 (\ccClassName)}
\label{#1}}
\newcommand{\ccSubsection}[1]{%
\subsection[#1 (\protect\ccPrintSingleTokenSemi
\ccPureClassName;)]{#1 (\ccClassName)}
\label{#1}}
\newcommand{\ccHeading}[1]{\bigskip\pagebreak[1]
{\bf #1}
\par\nopagebreak }
\newcommand{\ccCommentHeading}[1]{\par{\it #1}: }
\newcommand{\ccDefinition }{\ccHeading{Definition}}
\newcommand{\ccParameters }{\ccHeading{Parameters}}
\newcommand{\ccConstants }{\ccHeading{Constants}}
\newcommand{\ccTypes }{\ccHeading{Types}}
\newcommand{\ccCreation }{\ccHeading{Creation} }
\newcommand{\ccOperations }{\ccHeading{Operations}}
\newcommand{\ccImplementation }{\ccHeading{Implementation}}
\newcommand{\ccExample }{\ccHeading{Example}}
\newcommand{\ccPrecond }{\ccCommentHeading{Precondition}}
\newcommand{\ccPostcond }{\ccCommentHeading{Postcondition}}
% portability namings
\newcommand{\cgalheading}[1]{\ccHeading{#1}}
\newcommand{\cgalcommentheading}[1]{\ccCommentHeading{#1}}
\newcommand{\definition }{\ccDefinition}
\newcommand{\parameters }{\ccParameters}
\newcommand{\constants }{\ccConstants}
\newcommand{\types }{\ccTypes}
\newcommand{\creation }{\ccCreation}
\newcommand{\operations }{\ccOperations}
\newcommand{\implementation }{\ccImplementation}
\newcommand{\example }{\ccExample}
\newcommand{\precond }{\ccPrecond}
\newcommand{\postcond }{\ccPostcond}
% ___________________________________________________________________________
% ###########################################################################
% |
% | o C++ Declarations
% |
% ###########################################################################
% +--------------------------------------------------------------------------
% | \ccStyle
% +--------------------------------------------------------------------------
% Print one parameter in C++ style (including spaces).
\newcommand{\ccStyle}{%
\begingroup\ccCatcode\ccStyleX
}
\def\ccStyleX #1{%
{\ccFont \ccPrintTokens #1\end\ccEndFont}\endgroup
}
% portability namings
\newcommand{\CCstyle}{\ccStyle}
% +--------------------------------------------------------------------------
% | \ccDeclaration, \ccHidden, \ccUnchecked
% +--------------------------------------------------------------------------
% A \declaration accepts one parameter. The style will ignore it, while
% the checker tests if it exists one to one in the C++ code.
% It is intended for declarations that are somehow implied by the
% surrounded text, but should not be explicitly visible.
\newcommand{\ccDeclaration}{\begingroup\ccCatcode\ccDeclarationX}
\def\ccDeclarationX #1{\endgroup}
% A \hidden macro can be prepended to each macro with two parameters.
% It will remove the macro and its parameters from the manual.
% Again, the checker tests the macro as usual.
\newcommand{\ccHidden}[1]{\begingroup\ccCatcode\ccHiddenX}
\def\ccHiddenX #1{\endgroup\ccHiddenXX}
\long\def\ccHiddenXX #1{}
% An \ccUnchecked macro expands to nothing. It is used by the checker tool
% where it denotes that the following declarations is not subject of any
% check.
\newcommand{\ccUnchecked}{}
% +--------------------------------------------------------------------------
% | \ccGlobalDecl, \ccGlobalContinuation for global declarations
% +--------------------------------------------------------------------------
% \ccGlobalContinuation and \ccGlobalDecl is used to fiddle an empty
% comment behind the other parameters of a declaration without parsing
% these parameters as arguments (the catcodes are not set yet).
% Compare the normal and the global version of a declaration macro.
\newcommand{\ccGlobalDecl}{\ccFalse}
\newcommand{\ccGlobalContinuation}[1]{%
\ifnum\ccGlobalDecl=\ccTrue
\def\ccLocalCont{#1{}}
\let\continuation=\ccLocalCont
\else
\def\ccLocalCont{#1}
\let\continuation=\ccLocalCont
\fi
\gdef\ccGlobalDecl{\ccFalse}
\continuation
}
% +--------------------------------------------------------------------------
% portability namings
\newcommand{\declaration}{\ccDeclaration}
\newcommand{\hidden}{\ccHidden}
\newcommand{\unchecked}{\ccUnchecked}
% ___________________________________________________________________________
% ###########################################################################
% |
% | o Class and Class Member Declarations
% |
% ###########################################################################
% +--------------------------------------------------------------------------
% | \ccClassName, \ccClassTemplateName, \ccVar, \ccPur...
% | \begin{ccClass}, \begin{ccClassTemplate}, \end...
% +--------------------------------------------------------------------------
% predeclare variable names
\newcommand{\ccClassName}{}
\newcommand{\ccClassTemplateName}{}
\newcommand{\ccTemplateParameters}{}
\newcommand{\ccVar}{}
\newcommand{\ccPureClassName}{}
\newcommand{\ccPureClassTemplateName}{}
\newcommand{\ccPureTemplateParameters}{}
\newcommand{\ccPureVar}{}
\newenvironment{ccClass}{%
\begingroup\ccCatcode
\ccClassX%
}{
\def\ccPureClassName{}%
\def\ccPureClassTemplateName{}%
\def\ccPureTemplateParameters{}
\renewcommand{\ccClassName}{}%
\renewcommand{\ccClassTemplateName}{}%
\renewcommand{\ccTemplateParameters}{}
\def\ccPureVar{}%
\renewcommand{\ccVar}{}%
}
\def\ccClassX #1{%
\endgroup
\ccClassXX #1<\end}
\def\ccClassXX #1<#2\end{%
\def\xparams{#2}\ifx\xparams\empty
\ccClassXXX{#1}%
\else
\errmessage{Template parameters are not allowed
in a normal class. Use \begin{classtemplate}
instead}>%
\ccClassXXX{#1<???>}%
\fi}
\def\ccClassXXX #1{%
\def\ccPureClassName{#1}%
\def\ccPureClassTemplateName{#1}%
\renewcommand{\ccClassName}{\hbox{{\ccFont
\ccPrintTokens #1\end\ccEndFont}}}%
\renewcommand{\ccClassTemplateName}{\hbox{{\ccFont
\ccPrintTokens #1\end\ccEndFont}}}%
}
\newenvironment{ccClassTemplate}{%
\begingroup\ccCatcode
\ccClassTemplateX%
}{
\def\ccPureClassName{}%
\def\ccPureClassTemplateName{}%
\def\ccPureTemplateParameters{}%
\renewcommand{\ccClassName}{}%
\renewcommand{\ccClassTemplateName}{}%
\renewcommand{\ccTemplateParameters}{}
\def\ccPureVar{}%
\renewcommand{\ccVar}{}%
}
\def\ccClassTemplateX #1{%
\endgroup
\ccClassTemplateXX #1<\end}
\def\ccClassTemplateXX #1<#2\end{%
\def\xparams{#2}\ifx\xparams\empty
\errmessage{Template parameters missed for
class template}>%
\ccClassTemplateXXX{#1}<???><\end%
\else
\ccClassTemplateXXX{#1}<#2\end%
\fi}
\def\ccClassTemplateXXX #1#2<\end{%
\def\ccPureClassName{#1}%
\def\ccPureClassTemplateName{#1#2}%
\def\ccPureTemplateParameters{#2}%
\renewcommand{\ccClassName}{\hbox{{\ccFont
\ccPrintTokens #1\end\ccEndFont}}}%
\renewcommand{\ccClassTemplateName}{\hbox{{\ccFont
\ccPrintTokens #1#2\end\ccEndFont}}}%
\renewcommand{\ccTemplateParameters}{\hbox{{\ccFont
\ccPrintTokens #2\end\ccEndFont}}}%
}
% +--------------------------------------------------------------------------
% | \ccCreationVariable, \ccConstructor
% +--------------------------------------------------------------------------
\newcommand{\ccCreationVariable}{%
\begingroup\ccCatcode\ccCreationVariableX}
\def\ccCreationVariableX #1{%
\endgroup
\renewcommand{\ccVar}{{\ccFont\ccPrintTokens #1\end
\ccEndFont}}%
\def\ccPureVar{#1}}
\newcommand{\ccConstructor}{%
\begingroup\ccCatcode\ccConstructorX}
\def\ccConstructorX #1{%
\endgroup
\ccConstructorXX{#1}}
\long\def\ccConstructorXX #1#2{%
\ccConstructorCall {#2}#1\end}
% +--------------------------------------------------------------------------
% | \ccMemberFunction, \ccMethod, \ccFunction, \ccFunctionTemplate
% +--------------------------------------------------------------------------
% Methods and functions can contain the active character or the comment
% character % of TeX's own character set. Therefore, we assign new
% \catcode values to them and parse the first argument after that, close
% the group and parse the second argument with the \ccFunctionComment macro.
\newcommand{\ccMethod}{\ccMemberFunction}
\newcommand{\ccMemberFunction}{%
\begingroup\ccCatcode
\ccFunctionX{0}}
\newcommand{\ccFunction}{%
\begingroup\ccCatcode
\ccFunctionX{1}}
\def\ccFunctionX #1#2{%
\endgroup
\ccGlobalContinuation{\ccFunctionComment{#1}{#2}}}
\long\def\ccFunctionComment #1#2#3{%
\ccFunctionCall{#1}{#3}#2;\end}
% Is getting obsolete!
% A three! parameter macro to format template functions
% o The 1st parameter contains the template parameters.
% o The 2nd parameter contains the function declaration.
% o The 3rd parameter contains the comment.
\newcommand{\ccFunctionTemplate}[1]{\ccFunction}
% +--------------------------------------------------------------------------
% | \ccTypedef, \ccNestedType, \ccVariable, \ccEnum, \ccStruct
% +--------------------------------------------------------------------------
% typedef's, variables, and constants are like functions without parameters.
\newcommand{\ccVariable}{%
\begingroup\ccCatcode
\ccVariableX
}
\def\ccVariableX #1{%
\endgroup
\ccGlobalContinuation{\ccVariableXX{#1}}%
}
\long\def\ccVariableXX #1#2{%
\ccVariableDeclaration{#2}#1;\end
}
\newcommand{\ccTypedef}{\ccVariable}
\newcommand{\ccNestedType}{%
\begingroup\ccCatcode
\ccNestedTypeX
}
\def\ccNestedTypeX #1{%
\endgroup
\ccGlobalContinuation{%
\ccNestedTypeXX{#1}}%
}
\long\def\ccNestedTypeXX #1#2{%
\ccwFirst =\ccwConstructorFirst
\ccwSecond =\ccwConstructorSecond
\ccInitWidths
\setbox\returntypebox=\hbox{}%
\setbox\callnamebox=\hbox{\ccClassTemplateName
\ccFont\ccPrintTokens ::\end}%
\setbox\functioncallbox=\hbox{\unhcopy\callnamebox
\ \ccFont\ccPrintTokens #1\end}
\ccLayoutThreeColumns{}{}{}{#2}%
}
% Enum's are formatted like constructors. There is exact one matching
% pair of braces in the declaration.
\newcommand{\ccEnum}{%
\begingroup\ccCatcode
\catcode`\[=1
\catcode`\]=2
\catcode`\{=12
\catcode`\}=12
\ccEnumX}
\begingroup
\catcode`\[=1
\catcode`\]=2
\catcode`\{=12
\catcode`\}=12
\gdef\ccEnumX {#1{#2}#3}[%
\endgroup
\ccGlobalContinuation[\ccEnumXX[#1\{#2\}#3]]]
\endgroup
\long\def\ccEnumXX #1#2{%
\ccEnumDeclaration {#2}#1\end}
% a struct is formatted like an enum (needs the parantheses parsing)
\newcommand{\ccStruct}{%
\begingroup\ccCatcode
\catcode`\[=1
\catcode`\]=2
\catcode`\{=12
\catcode`\}=12
\ccEnumX}
% +--------------------------------------------------------------------------
% portability namings
\newcommand{\pureclassname}{\ccPureClassName}
\newcommand{\puretemplatename}{\ccPureClassTemplateName}
\newcommand{\pureclasstemplatename}{\ccPureClassTemplateName}
\newcommand{\pureparameters}{\ccPureTemplateParameters}
\newcommand{\puretemplateparameters}{\ccPureTemplateParameters}
\newcommand{\classname}{\ccClassName}
\newcommand{\classtemplatename}{\ccClassTemplateName}
\newcommand{\purevar}{\ccPureVar}
\newcommand{\var}{\ccVar}
\newenvironment{class}{\begin{ccClass}}{\end{ccClass}}
\newenvironment{classtemplate}{\begin{ccClassTemplate}}{\end{ccClassTemplate}}
\newcommand{\creationvariable}{\ccCreationVariable}
\newcommand{\constructor}{\ccConstructor}
\newcommand{\method}{\ccMethod}
\newcommand{\function}{\ccFunction}
\newcommand{\functiontemplate}{\ccFunctionTemplate}
\newcommand{\variable}{\ccVariable}
\newcommand{\typedef}{\ccTypedef}
\newcommand{\nestedtype}{\ccNestedType}
\newcommand{\enum}{\ccEnum}
\newcommand{\struct}{\ccStruct}
% ___________________________________________________________________________
% ###########################################################################
% |
% | o Global C++ Declarations
% |
% ###########################################################################
% +--------------------------------------------------------------------------
% | \ccGlobalFunction, \ccGlobalFunctionTemplate, \ccGlobalEnum,
% | \ccGlobalTypedef, \ccGlobalVariable
% +--------------------------------------------------------------------------
% All simple macros work also at the global level. The following
% `global' versions are only shortcuts to omit the comment parameter,
% so that global declarations are always commented inbetween and not in
% the last column. Note hat declarations always can extend in the last
% column, so the previous column has not to be reshaped.
\newcommand{\ccGlobalFunction}{\gdef\ccGlobalDecl{\ccTrue}\ccFunction}
\newcommand{\ccGlobalFunctionTemplate}{%
\gdef\ccGlobalDecl{\ccTrue}\ccFunctionTemplate}
\newcommand{\ccGlobalEnum }{\gdef\ccGlobalDecl{\ccTrue}\ccEnum}
\newcommand{\ccGlobalStruct }{\gdef\ccGlobalDecl{\ccTrue}\ccStruct}
\newcommand{\ccGlobalVariable}{\gdef\ccGlobalDecl{\ccTrue}\ccVariable}
\newcommand{\ccGlobalTypedef }{\gdef\ccGlobalDecl{\ccTrue}\ccTypedef}
% +--------------------------------------------------------------------------
% portability namings
\newcommand{\globalfunction}{\ccGlobalFunction}
\newcommand{\globalfunctiontemplate}{\ccGlobalFunctionTemplate}
\newcommand{\globalenum}{\ccGlobalEnum}
\newcommand{\globalstruct}{\ccGlobalStruct}
\newcommand{\globalvariable}{\ccGlobalVariable}
\newcommand{\globaltypedef}{\ccGlobalTypedef}
% ___________________________________________________________________________
% ###########################################################################
% |
% | o HTML Language Support in the Style File
% |
% ###########################################################################
% +--------------------------------------------------------------------------
% | Support macros for HTML manual generation:
% |
% | \begin{ccTexOnly}..., \begin{ccHtmlOnly}..., \ccTexHtml{}{}, \ccAnchor{}{}
% +--------------------------------------------------------------------------
\newcommand{\ccHtmlCatcode}{%
\ccCatcode
\catcode`\{=12
\catcode`\}=12
\catcode`\\=12
}
\newcommand{\ccHtmlDefCatcode}{%
\catcode`\|=0
\catcode`\[=1
\catcode`\]=2
\catcode`\{=12
\catcode`\}=12
\catcode`\\=12
}
\newcommand{\ccTexHtml}[2]{#1}
\newcommand{\ccAnchor}[2]{#2}
\newenvironment{ccTexOnly}{}{}
\newenvironment{ccHtmlOnly}{\begingroup\ccHtmlCatcode \ccParseHtmlOnlyBody}{
\endgroup}
% Take care: catcodes changes a lot here!!
\begingroup
\ccHtmlDefCatcode
|gdef|ccParseHtmlOnlyBody #1\end{ccHtmlOnly}[%
|csname endccHtmlOnly|endcsname|@checkend[ccHtmlOnly]%
|expandafter|endgroup|if@endpe|@doendpe|fi
|if@ignore|global|@ignorefalse|ignorespaces|fi
]
|endgroup
% portability namings
\newcommand{\LatexHtml}{\ccTexHtml}
\newcommand{\Anchor}{\ccAnchor}
\newenvironment{TexOnly}{\begin{ccTexOnly}}{\end{ccTexOnly}}
\newenvironment{HtmlOnly}{\begingroup\ccHtmlCatcode \ParseHtmlOnlyBody}{
\endgroup}
% Take care: catcodes changes a lot here!!
\begingroup
\ccHtmlDefCatcode
|gdef|ParseHtmlOnlyBody #1\end{HtmlOnly}[%
|csname endHtmlOnly|endcsname|@checkend[HtmlOnly]%
|expandafter|endgroup|if@endpe|@doendpe|fi
|if@ignore|global|@ignorefalse|ignorespaces|fi
]
|endgroup
% ___________________________________________________________________________
% ###########################################################################
% |
% | o Internal Macros, not for Usage in the Manual
% |
% ###########################################################################
% +--------------------------------------------------------------------------
% | * Predicates:
% +--------------------------------------------------------------------------
% | isEmpty, isLetter, isUnderscore, hasLeadingSpace, isTemplate,
% | isLastAlpha, isOperator, isParenthesisOperator, isConversionOperator
% |
% | All predicates uses pattern matching of TeX. The original predicate uses
% | a single parameter that should be in braces like in LaTeX. Internally,
% | they use a second, auxiliary macro with pattern matching where the
% | parameter has to be terminated by an \end token.
% |
% | Result is stored in the counter \ccBool. \ccFalse, \ccTrue are also
% | counters that are used in the \ifnum statement to test the result.
% +--------------------------------------------------------------------------
% The counter \ccBool contains the result of a couple of predicates
\newcount\ccBool % either 0 for false or 1 for true.
\newcount\ccFalse \ccFalse=0 % This must be constant 0 !!!
\newcount\ccTrue \ccTrue=1 % This must be constant 1 !!!
% A small macro to invert \ccBool
\def\ccInvert {%
\ifnum\ccBool=\ccFalse \ccBool=\ccTrue \else\ccBool=\ccFalse \fi}
% This macro test wheather its argument is empty or contains only spaces.
\def\isEmpty #1{%
\isEmptyX #1;\end}
\def\isEmptyX #1#2\end{%
\def\xparams{#2}\ifx\xparams\empty \ccBool=\ccTrue
\else \ccBool=\ccFalse \fi}
% This macro test wheather its argument starts (after leading spaces)
% with a valid C++ letter.
\def\isLetter #1{%
\def\qparams{#1}\ifx\qparams\empty\ccBool=\ccFalse
\else\isLetterX #1\end\fi}
\def\isLetterX #1#2\end{%
\ccBool=\ccFalse
\ifx#1\_\ccBool=\ccTrue\else
\ifcat#1A\ccBool=\ccTrue
\else\ifnum`#1>`/\ifnum`#1<`:\ccBool=\ccTrue \fi\fi
\if#1_\ccBool=\ccTrue \fi
\fi\fi}
% Test for a leading underscore, either _ with changed catcode, or \_
\def\isUnderscore #1{%
\def\qparams{#1}\ifx\qparams\empty\ccBool=\ccFalse
\else\isUnderscoreX #1\end\fi}
\def\isUnderscoreX #1#2\end{%
\ccBool=\ccFalse
\ifx#1\_\ccBool=\ccTrue\else
\if#1_\ccBool=\ccTrue \fi
\fi}
% Test for a leading underscore, either _ with changed catcode, or \_,
% or the / character. Used to validate the character after a prefix.
\def\isPrefixFollowChar #1{%
\def\qparams{#1}\ifx\qparams\empty\ccBool=\ccFalse
\else\isPrefixFollowCharX #1\end\fi}
\def\isPrefixFollowCharX #1#2\end{%
\ccBool=\ccFalse
\ifx#1\_\ccBool=\ccTrue\else
\if#1_\ccBool=\ccTrue \else
\if#1/\ccBool=\ccTrue\fi
\fi
\fi}
% These macros allow the characterwise parsing of an argument, where normally
% the spaces are ignored.
% Here, the first macro can be applied to the rest of the argument and
% will return \ccTrue in the \ccBool iff the rest starts with a space.
% The second macro will produce a space "\ " iff the rest starts with a space.
% The space of the rest will be skipped automatically in the next round.
\def\hasLeadingSpace #1{%
\def\qparams{#1}\ifx\qparams\empty\ccBool=\ccFalse
\else\compareSpace{#1}#1\end\fi}
\def\compareSpace #1#2#3\end{%
\def\xxparams{#1}\def\xxxparams{#2#3}\ifx\xxparams\xxxparams\ccBool=\ccFalse
\else\ccBool=\ccTrue \fi}
\def\testAndCopySpace #1{%
\def\qparams{#1}\ifx\qparams\empty\else\compareAndCopySpace{#1}#1\end\fi}
\def\compareAndCopySpace #1#2#3\end{%
\def\xxparams{#1}\def\xxxparams{#2#3}\ifx\xxparams\xxxparams\else\ \fi}
% This macro gets a complete C++ declaration and decides weather
% it starts with a template declaration or not.
\def\isTemplate #1{%
\isTemplateX #1template\end}
% Note: these macros has to test for characters directly following
% the template keyword, because it is allowed as an identifier substring.
\def\isTemplateX #1template#2\end{%
\isEmpty{#2}\ifnum\ccBool=\ccTrue \ccBool=\ccFalse
\else\hasLeadingSpace{#2}\ifnum\ccBool=\ccFalse
\isLetter{#2}\ccInvert
\fi
\fi
\ifnum\ccBool=\ccTrue
\isEmpty{#1}%
\fi}
% This macro gets a complete C++ declaration and decides weather
% it is an operator declaration or not.
\def\isOperator #1{%
\isOperatorX #1operator\end}
% Note: these macros has to test for characters directly surrounding
% the operator keyword, because it is allowed as an identifier substring.
\def\isOperatorX #1operator#2\end{%
\isEmpty{#2}\ifnum\ccBool=\ccTrue \ccBool=\ccFalse
\else\hasLeadingSpace{#2}\ifnum\ccBool=\ccFalse
\isLetter{#2}\ccInvert
\fi
\fi
\ifnum\ccBool=\ccTrue
\isEmpty{#1}\ifnum\ccBool=\ccFalse
\isLastAlphaX #1\end \ccInvert
\fi
\fi}
% Check the last character in the parameter. If it is a character (or _)
% return \ccTrue, else return \ccFalse.
\def\isLastAlpha #1{%
\isEmpty{#1}\ifnum\ccBool=\ccTrue\ccInvert
\else\isLastAlphaX #1\end
\fi}
\def\isLastAlphaX #1#2\end{%
\def\xbody{\isLastAlphaX #2\end}%
\isLetterX #1\end
\def\qqparams{#2}\ifx\qqparams\empty\let\xnext=\relax
\else\isEmpty{#2}\ifnum\ccBool=\ccTrue \ccInvert
\let\xnext=\relax
\else
\let\xnext=\xbody
\fi
\fi
\xnext}
% This macro gets a complete C++ declaration for an operator and has to
% decide weather it is the parenthesis () operator declaration or not.
\def\isParenthesisOperator #1{%
\isParenthesisOperatorX #1 ()\end}
\def\isParenthesisOperatorX #1operator#2(#3)#4(#5)#6\end{%
% if and only if #6 is non empty, we have the () operator.
\isEmpty{#6}\ccInvert}
% This macro gets a complete C++ declaration for an operator and has to
% decide weather it is the conversion operator declaration or not.
\def\isConversionOperator #1{%
\isConversionOperatorX #1\end}
\def\isConversionOperatorX #1operator#2\end{%
% if and only if #1 is empty, we have the conversion operator.
\isEmpty{#1}}
% +--------------------------------------------------------------------------
% | * Toplevel declaration formatting:
% +--------------------------------------------------------------------------
% | Here, constructors, methods, and functions are separated in there
% | building blocks: the return type, their name, and the parameter
% | list. An operator declaration will be detected.
% +--------------------------------------------------------------------------
% This box contains the formatting result. Its width influences the
% column layout for longish declarations.
\newbox\functioncallbox
\newbox\returntypebox % contains the return type
\newbox\functionnamebox % contains the function name
\newbox\callnamebox % contains the fct. name incl. variable for methods
\newbox\trailingconstbox % contains the trailing const after member functions
% or is empty according to \ccTagRmTrailingConst
% Formats a constructor call.
% o The 1st parameter contains the comment text (maybe empty).
% o The 2st parameter contains the name of the constructor
% o The 3rd parameter contains the parameter list (maybe empty).
% o The 4th parameter contains the optional const specifier for methods.
% The declaration has to be terminated with "\end".
\def\ccConstructorCall #1#2(#3)#4\end {%
% check for template function
\isTemplate{#2}\ifnum\ccBool=\ccTrue
\ccSeparateTemplate{\ccTemplateLine}{%
\constructorcall{#1}}#2(#3)#4\end
\else
\ccwFirst =\ccwConstructorFirst
\ccwSecond =\ccwConstructorSecond
\ccInitWidths
\setbox\callnamebox=\hbox{%
\ccClassTemplateName\ \ \ccFont\ccVar}%
\setbox\functioncallbox=\hbox{\unhcopy\callnamebox
\isEmpty{#3}\ifnum\ccBool=\ccFalse
\ccFont( \ccPrintParamList{#3)#4}%
\ccEndFont)%
\fi
;}%
\setbox\returntypebox=\hbox{}%
\ccLayoutThreeColumns{(}{#3)#4}{)}{#1}%
\fi
}
% Formats a method or a function call.
% o The 1st parameter contains a 0 for a method call, a 1 for a function.
% o The 2nd parameter contains the comment text (maybe empty).
% o The 3rd parameter contains the beginning of the type declaration.
% o The 4th parameter contains the rest of the type and the function name.
% o The 5th parameter contains the parameter list (maybe empty).
% o The 6th parameter contains the optional const specifier for methods.
% The declaration has to be terminated with ";;\end" where the first ";"
% has to be from the original call notation. The 7th parameter is there
% to check for this ";".
\def\ccFunctionCall #1#2#3 #4(#5)#6;#7\end{%
\ccwFirst =\ccwFunctionFirst
\ccwSecond =\ccwFunctionSecond
\ccInitWidths
\def\xparam{#7}\ifx\xparam\empty
\errmessage{Missing ";" at the end of the
declaration. A method or function
declaration has to end with a ";".
Go ahead, I've inserted one}%
\fi
% check for template function
\isTemplate{#3 #4}\ifnum\ccBool=\ccTrue
\ccSeparateTemplate{\ccTemplateLine}{%
\ccFunctionCall{#1}{#2}}#3 #4(#5)#6;#7\end
\else
\def\ccExtendedFormat{\ }% Switches ext. format OFF.
\ccSeparateTrailingConst #6)\end
\ccBool=\ccTagOperatorLayout\ifnum\ccBool=\ccTrue
\isOperator{#3 #4(#5)#6}\ifnum\ccBool=\ccTrue
\isConversionOperator{#3 #4(#5)#6}
\ifnum\ccBool=\ccTrue
\ccPrintConversionOperator #3 #4(#5)#6\end
\else
\ccSeparateOperator #3 #4\end%
\isParenthesisOperator{#3 #4(#5)#6}%
\ifnum\ccBool=\ccTrue
\setbox\functioncallbox=\hbox{{\ccFont
\ccPrintParOperator #1#3 #4(#5)#6\end}}
\else
\setbox\functioncallbox=\hbox{{\ccFont
\ccPrintOperator #1#3 #4(#5)#6\end}}
\fi
\fi
\ccBool=\ccTrue
\fi
\fi
\ifnum\ccBool=\ccFalse
\ccSeparateFunction{}#3 #4::\end%
\setbox\functioncallbox=\hbox{{\ccFont
\ifnum#1=0 \ccVar.\fi
\unhcopy\functionnamebox(%
\isEmpty{#5}\ifnum\ccBool=\ccFalse
\ \ccPrintParamList{#5)#6}%
\fi)\unhcopy\trailingconstbox}}
\fi
\setbox\callnamebox=\hbox{{\ccFont
\ifnum#1=0 \ccVar.\fi
\unhbox\functionnamebox}}%
\ccLayoutThreeColumns{(}{#5)#6}{)\unhbox
\trailingconstbox}{#2}%
\fi % from \isTemplate
}
\def\ccExtendedFormat{\ }% Default: Extended Format switched OFF.
% Formats a variable, typedef or constant.
% o The 1st parameter contains the comment text (maybe empty).
% o The 2nd parameter contains the beginning of the type declaration.
% o The 3rd parameter contains the rest of the type and the function name.
% The declaration has to be terminated with ";;\end" where the first ";"
% has to be from the original call notation. The 4th parameter is there
% to check for this ";".
\def\ccVariableDeclaration #1#2 #3;#4\end{%
\ccwFirst =\ccwFunctionFirst
\ccwSecond =\ccwFunctionSecond
\ccInitWidths
\def\xparam{#4}\ifx\xparam\empty
\errmessage{Missing ";" at the end of the
declaration. A variable, typedef, or constant
declaration has to end with a ";".
Go ahead, I've inserted one}%
\fi
\ccSeparateVariable #2 #3=\end%
\setbox\functioncallbox=\hbox{{\ccFont
\unhcopy\functionnamebox;}}
\setbox\callnamebox=\hbox{{\ccFont
\unhbox\functionnamebox}}%
\ccLayoutThreeColumns{}{}{}{#1}%
}
\def\ccSeparateVariable #1 #2=#3\end{%
\ccSeparateFunction{}#1 #2::\end%
\def\xparam{#3}\ifx\xparam\empty
\else
\ccSeparateVariableX #3\end
\fi
}
\def\ccSeparateVariableX #1=\end{%
{\setbox0=\hbox{\unhbox\functionnamebox\ =#1}%
\global\setbox\functionnamebox=\hbox{\unhbox0}}%
}
% Formats a enum declaration.
% o The 1st parameter contains the comment text (maybe empty).
% o The 2st parameter contains the `enum' keyword name.
% o The 3rd parameter contains the parameter list (maybe empty).
% o The 4th parameter contains an optional variable name.
% The declaration has to be terminated with "\end".
\def\ccEnumDeclaration #1#2\{#3\}#4\end {%
\ccwFirst =\ccwConstructorFirst
\ccwSecond =\ccwConstructorSecond
\ccInitWidths
\setbox\returntypebox=\hbox{}%
\setbox\callnamebox=\hbox{\ccFont\ccPrintTokens #2\end}%
\setbox\functioncallbox=\hbox{\ccFont
\ccPrintTokens #2\end\{\
\isEmpty{#3}\ifnum\ccBool=\ccFalse
\ccPrintParamList{#3)}%
\fi
\};}%
\ccLayoutThreeColumns{\ccEndFont\{}{#3)}{\ccEndFont\}}{#1}%
}
% Manual layout: generalized three column format
% o The 1st parameter contains the opening brace.
% o The 2nd parameter contains the parameter list, comma separated,
% including the closing parantheses which will not be printed.
% o The 3rd parameter contains the closing brace.
% o The 4th parameter contains the comment.
% All paramters might be empty.
% Global variables:
% o \returntypebox contains the formatted returntype (maybe empty)
% o \callnamebox contains the function/method/constructorname.
% For methods, the variable is just prepended.
% o \functioncallbox contains the complete functioncall incl. parameters
% as a oneliner.
\def\ccLayoutThreeColumns #1#2#3#4{%
\ccTopSkip
\hspace*{\ccwIndent}%
\ifdim\ccwFirst>0pt % check for constructors
\ifdim\wd\returntypebox>\ccwFirst
\unhbox\returntypebox\nopagebreak\ccReturnSkip
\else
\parbox[t]{\ccwFirst}{\sloppy
\unhbox\returntypebox}%
\hspace*{\ccwBetween}%
\fi
\fi
\ifdim\wd\functioncallbox>\ccwSecondLong
% Operators are assumed to fit in \ccwSecondLong.
% Otherwise, they are formatted as functions.
\ccBool=\ccAlternateThreeColumn
\ifnum\ccBool=\ccTrue
\ccBool=\CCalternateThreeColumn
\fi
\ifnum\ccBool=\ccTrue
% Switches ext. format ON.
{\setbox0=\hbox{\ccFont\unhcopy\callnamebox
#1 }%
\global\ccwParam=\wd0}%
\ifdim\ccwFirst>0pt % check for constructors
\global\advance\ccwParam \ccwIndent
\global\advance\ccwParam \ccwFirst
\global\advance\ccwParam \ccwBetween
\fi
\def\ccExtendedFormat{\nopagebreak\\
\hspace*{\ccwParam}}%
{\ccFont\unhbox\callnamebox #1 }%
\else
% Switches ext. format ON.
\def\ccExtendedFormat{\nopagebreak\\
\hspace*{\ccwParam}}%
{\ccFont \unhbox\callnamebox #1}%
\ccExtendedFormat
\fi
{\ccFont
\isEmpty{#2}\ifnum\ccBool=\ccFalse
\ccPrintParamList{#2}%
\fi
#3}\hfill
\isEmpty{#4}\ifnum\ccBool=\ccFalse
\nopagebreak\ccMiddleSkip
\parbox[t]{\ccwComment}{\sloppy #4}%
\hspace*{\ccwRightMargin}\hfill
\fi
\def\ccExtendedFormat{\ }% Switches ext. format OFF.
\ccBottomBigSkip
\else\ifdim\wd\functioncallbox>\ccwSecond
\parbox[t]{\ccwSecondLong}{\unhbox\functioncallbox}%
\hfill
\isEmpty{#4}\ifnum\ccBool=\ccFalse
\nopagebreak\ccMiddleSkip
\parbox[t]{\ccwComment}{\sloppy #4}%
\hspace*{\ccwRightMargin}\ccBottomBigSkip
\else
\ccBottomSkip
\fi
\else
\parbox[t]{\ccwSecond}{\unhbox\functioncallbox}%
\hspace*{\ccwBetween}%
\parbox[t]{\ccwComment}{\sloppy #4}%
%\hspace*{\ccwRightMargin}\hfill
\ccBottomSkip
\fi\fi
}
% \ccTemplateLine: extends the \ccLayoutThreeColumns with an additional
% line above the three columns that contains the template declaration
% for functions or methods (if any)
%
% #1 the template declaration, delimited with \end
\def\ccTemplateLine #1\end{%
\ccTopSkip
\hspace*{\ccwIndent}%
\ccPrintTokens #1\end \nopagebreak[4]\par
\ccReverseTopSkip\vspace{-\parskip}%
}
% Set the two boxes, returntype and functionname, for an operator declaration.
\def\ccSeparateOperator #1operator#2\end{%
\setbox\returntypebox=\hbox{{\ccFont
\ccPrintReturnType #1const.&.\end}}%
\setbox\functionnamebox=\hbox{{\ccFont
\ccPrintTokens operator#2\end}}%
}
% Set the two boxes, returntype and functionname, for a function declaration.
% The part of the declaration has to be terminated with "::\end".
\def\ccSeparateFunction #1#2::#3\end{%
\isEmpty{#3}\ifnum\ccBool=\ccTrue
\ccSeparateFunctionXX{#1}#2 .\end%
\else
\hasLeadingSpace{#3}\ifnum\ccBool=\ccTrue
\ccSeparateFunction{#1#2:: }#3\end%
\else
\ccSeparateFunction{#1#2::}#3\end%
\fi
\fi}
% Set the two boxes, returntype and functionname, for a function declaration.
% This macro scans through the token list space by space. If the operators
% & or * occurs on the right side, they are shifted to the left.
% o The 1st parameter is the first part of the type.
% o The 2nd parameter is the next part of the type name.
% o The 3rd and 4th parameter are the next part of the return type or
% the name, if #4 is empty. Then, the 3rd parameter is the first
% character of it.
% The part of the declaration has to be terminated with " .\end".
\def\ccSeparateFunctionXX #1#2 #3#4\end{%
\isEmpty{#4}\ifnum\ccBool=\ccTrue
\setbox\returntypebox=\hbox{{\ccFont
\ccPrintReturnType #1const.&.\end}}%
\setbox\functionnamebox=\hbox{{\ccFont
\ccPrintTokens #2\end}}%
\else
\def\xparams{#1}\ifx\xparams\empty
\if#3&%
\ccSeparateFunctionXX{#2#3}#4\end%
\else\if#3*%
\ccSeparateFunctionXX{#2#3}#4\end%
\else
\ccSeparateFunctionXX{#2 }#3#4\end%
\fi\fi
\else
\if#3&%
\ccSeparateFunctionXX{#1#2#3}#4\end%
\else\if#3*%
\ccSeparateFunctionXX{#1#2#3}#4\end%
\else
\ccSeparateFunctionXX{#1#2 }#3#4\end%
\fi\fi
\fi
\fi}
% Set the \trailingconstbox appropriately to \ccTagRmTrailingConst.
% If #2 is empty we have found the trailing part in #1,
% else apply this recursivly.
\def\ccSeparateTrailingConst #1)#2\end{%
\ifnum\ccTagRmTrailingConst=\ccTrue
\setbox\trailingconstbox=\hbox{}%
\else
\isEmpty{#1}\ifnum\ccBool=\ccTrue
\setbox\trailingconstbox=\hbox{}%
\else
\def\xparams{#2}\ifx\xparams\empty
\setbox\trailingconstbox=\hbox{{ % here is one space !
\ccFont\ccPrintTokens #1\end}}%
\else
\ccSeparateFunctionXX #2\end
\fi
\fi
\fi
}
% +--------------------------------------------------------------------------
% | * Formatting of simple C++ code:
% +--------------------------------------------------------------------------
% | \ccPrintChar, \ccPrintSingleToken, \ccPrintTokens
% +--------------------------------------------------------------------------
% Print a character of a C++ declaration. Special handling of _<>&.
\def\ccPrintChar #1{%
\if_#1\ccUnderscore
\else\ifx\_#1\ccUnderscore
\else\if<#1\ccOpenAngle
\else\if>#1\ccCloseAngle
\else\if&#1\ccAmpersand
\else\ifx\&#1\ccAmpersand
\else\if^#1\ccHat
\else\ifx\^#1\ccHat
\else\if###1\ccHash
\else\ifx\##1\ccHash
\else #1%
\fi\fi\fi\fi\fi\fi\fi\fi\fi\fi}
% Print a single C++ token (without spaces inbetween). Skip leading spaces.
% The token has to be delimited by ";".
\def\ccPrintSingleTokenSemi #1;{%
\ccPrintSingleToken #1\end
}
% Print a single C++ token (without spaces inbetween). Skip leading spaces.
% The token has to be delimited by "\end".
\def\ccPrintSingleToken #1\end{%
\ifnum\ccTagReplacePrefix=\ccTrue
\ccReplacePrefix{#1}{\ccPrintSingleTokenX}%
\else\ccPrintSingleTokenX #1\end
\fi
}
\def\ccPrintSingleTokenX #1#2\end{%CCtrue
\ccPrintChar #1%
\def\xbody{\ccPrintSingleTokenX #2\end}%
\isEmpty{#2}\ifnum\ccBool=\ccTrue \let\xnext=\relax
\else\let\xnext=\xbody\fi
\xnext}
% Print C++ tokens (separated with spaces). Skip leading spaces.
% The tokens have to be delimited by "\end".
\def\ccPrintTokens #1\end{%
\ifnum\ccTagReplacePrefix=\ccTrue
\ccReplacePrefix{#1}{\ccPrintTokensX}%
\else\ccPrintTokensX #1\end
\fi
}
\def\ccPrintTokensX #1#2\end{%
\ccPrintChar #1%
\def\xbody{\ccPrintTokensX #2\end}%
\isEmpty{#2}\ifnum\ccBool=\ccTrue
\let\xnext=\relax
\else
\compareAndCopySpace{#2}#2\end
\let\xnext=\xbody
\fi
\xnext}
% +--------------------------------------------------------------------------
% | * Formatting of operator declarations:
% +--------------------------------------------------------------------------
% | To distinguish all operators, the number of given parameters is
% | counted and two of the three possible operator characters are used.
% +--------------------------------------------------------------------------
% Formats an operator declaration:
% o The first parameter contains a 0 for a method call, a 1 for a function.
% o The second parameter contains the return type.
% o The third parameter contains the operator name.
% o The fourth parameter contains the parameter list (maybe empty).
% o The fifth parameter contains the optional const specifier for methods.
% The declaration has to be terminated with "\end".
\def\ccPrintOperator #1#2operator#3(#4)#5\end{%
\ifnum#1=0
\isEmpty{#4}\ifnum\ccBool=\ccTrue
\ccPrintOperatorOne{#1}{\ccVar}{#4}#3\end
\else
\ccPrintOperatorOne{#1}{\ccVar,}{#4}#3\end
\fi
\else
\ccPrintOperatorOne{#1}{}{#4}#3\end
\fi}
% Formats a parenthesis () operator declaration:
% o The #1 parameter contains a 0 for a method call, a 1 for a function.
% o The #2 parameter contains the return type.
% o The #3, #4, #5 parameters have to be empty.
% o The #6 parameter contains the parameter list (maybe empty).
% o The #7 parameter contains the optional const specifier for methods.
% The declaration has to be terminated with "\end".
\def\ccPrintParOperator #1#2operator#3(#4)#5(#6)#7\end{%
\isEmpty{#3}\ifnum\ccBool=\ccFalse\errmessage{Malformed
parenthesis operator}\fi
\isEmpty{#4}\ifnum\ccBool=\ccFalse\errmessage{Malformed
parenthesis operator}\fi
\isEmpty{#5}\ifnum\ccBool=\ccFalse\errmessage{Malformed
parenthesis operator}\fi
\ifnum#1=0
\isEmpty{#6}\ifnum\ccBool=\ccTrue
\ccPrintOperatorOne{#1}{\ccVar}{#6}()\end
\else
\ccPrintOperatorOne{#1}{\ccVar,}{#6}()\end
\fi
\else
\ccPrintOperatorOne{#1}{}{#6}()\end
\fi}
% Formats a conversion operator.
% Uses the returntypebox and the functioncallbox.
% The declaration ends with "\end".
\def\ccPrintConversionOperator #1operator #2(#3)#4\end{%
\setbox\returntypebox=\hbox{{\ccFont
\ccPrintTokens #2\end}}
\setbox\functioncallbox=\hbox{{\ccFont
\ccPrintTokens #2(\ccVar)\end}}
}
% An operator is detected and can be printed.
% o The first parameter contains a 0 for a method call, a 1 for a function.
% o The second parameter contains the \ccVar if it is a method.
% o The third parameter contains the (maybe empty) parameter list.
% o The fourth parameter is the first character of the operator.
% o The fifth parameter contains the rest of the operator.
% The declaration ends with "\end".
\newcount\operatorerror
{
\ccCatcode \catcode`\#=6 \catcode`\@=14
\gdef\ccPrintOperatorOne #1#2#3#4#5\end{@
\ccExtractParamList{#2#3)}@
\operatorerror=1
\isEmpty{#5}\ifnum\ccBool=\ccTrue
@ single character operations
\ifcase\NParameters @ no parameter
\or @ 1 parameter
\if~#4\ccOperatorpraefix{\mbox{\ccTilde}}\fi
\if!#4\ccOperatorpraefix{#4\,}\fi
\if-#4\ccOperatorpraefix{#4}\fi
\if+#4\ccOperatorpraefix{#4}\fi
\if&#4\ccOperatorpraefix{\mbox{{\ccFont
\ccAmpersand}}}\fi
\if*#4\ccOperatorpraefix{#4}\fi
\or @ 2 parameters
\if*#4\ccOperatorinfix{#4}\fi
\if/#4\ccOperatorinfix{\,#4}\fi
\if%#4\ccOperatorinfix{\,#4\,}\fi
\if+#4\ccOperatorinfix{#4}\fi
\if-#4\ccOperatorinfix{#4}\fi
\if<#4\ccOperatorinfix{#4}\fi
\if>#4\ccOperatorinfix{#4}\fi
\if&#4\ccOperatorinfix{\mbox{{ \ccFont
\ccAmpersand} }}\fi
\if^#4\ccOperatorinfix{\mbox{\ccHat}}\fi
\if|#4\ccOperatorinfix{\;#4\;}\fi
\if=#4\ccOperatorinfix{#4}\fi
\if,#4\ccOperatorinfix{#4}\fi
\else @ 3 parameters
\fi
\else
@ two or more character operations
\ccPrintOperatorTwo #4#5\end
\fi
\ifnum\operatorerror=1 \errmessage{Unknown
operator detected. Look out for the legal
operator overloading in C++. Maybe, not all
operators are currently supported by this
style, sorry. Go ahead, and I format it as
a function}@
\ifnum#1=0 {\ccFont \ccVar.}\fi
\ccPrintTokens operator #4#5\end@
(\isEmpty{#3}\ifnum\ccBool=\ccFalse
\ccPrintParamList{#3)}\fi
)@
\fi
}
@ An operator with two or more characters is detected and can be printed.
@ o The first parameter is the first character of the operator.
@ o The second parameter is the second character of the operator.
@ o The third parameter contains the rest of the operator.
@ The declaration ends with "\end".
\gdef\ccPrintOperatorTwo #1#2#3\end{@
\isEmpty{#3}\ifnum\ccBool=\ccTrue
@ two character operations
\ifcase\NParameters @ no parameter
\or @ 1 parameter
\if-#1\if>#2\ccOperatorpostfix{\:#1\!\!\!#2}\fi\fi
\if(#1\if)#2\ccOperatorparX{(}{)}\fi\fi
\if+#1\if+#2\ccOperatorpraefix{#1\!#2}\fi\fi
\if-#1\if-#2\ccOperatorpraefix{#1\!#2}\fi\fi
\or @ 2 parameters
\if[#1\if]#2\ccOperatorparXX{\ccEndFont{\rm [}
}{\ccEndFont{\rm ]}}\fi\fi
\if(#1\if)#2\ccOperatorparXX{( }{)}\fi\fi
\if+#1\if+#2\ccOperatorpostfix{#1\!#2}\fi\fi
\if-#1\if-#2\ccOperatorpostfix{#1\!#2}\fi\fi
\if>#1\if>#2\ccOperatorinfix{#1\!#2}\fi\fi
\if<#1\if<#2\ccOperatorinfix{#1\!#2}\fi\fi
\if<#1\if=#2\ccOperatorinfix{#1#2}\fi\fi
\if>#1\if=#2\ccOperatorinfix{#1#2}\fi\fi
\if=#1\if=#2\ccOperatorinfix{#1#2}\fi\fi
\if!#1\if=#2\ccOperatorinfix{\;#1\!#2}\fi\fi
\if&#1\if&#2\ccOperatorinfix{\mbox{ {\ccFont
\ccAmpersand}}\mbox{{\ccFont
\ccAmpersand} }}\fi\fi
\if|#1\if|#2\ccOperatorinfix{\;#1#2\;}\fi\fi
\if*#1\if=#2\ccOperatorinfix{\,#1\!#2}\fi\fi
\if/#1\if=#2\ccOperatorinfix{\,#1\!#2}\fi\fi
\if%#1\if=#2\ccOperatorinfix{\,#1\!#2}\fi\fi
\if+#1\if=#2\ccOperatorinfix{\,#1\!#2}\fi\fi
\if-#1\if=#2\ccOperatorinfix{\,#1\!#2}\fi\fi
\if&#1\if=#2\ccOperatorinfix{\mbox{ {\ccFont
\ccAmpersand}}\!#2}\fi\fi
\if|#1\if=#2\ccOperatorinfix{\;#1\!#2}\fi\fi
\if^#1\if=#2\ccOperatorinfix{\mbox{\ccHat{}}\!\!
#2}\fi\fi
\else @ 3 parameters
\if(#1\if)#2\ccOperatorparXXX{( }{)}\fi\fi
\fi
\else
@ three or more character operations
\ifcase\NParameters @ no parameter
\or @ 1 parameter
\if-#1\if>#2\ccOperatorpostfix{\:#1\!\!\!#2\!
#3}\fi\fi
\or @ 2 parameters
\if#1n\if#2e\ccOperatornew{#1#2#3}\fi\fi
\if>#1\if>#2\ccOperatorinfix{#1\!#2#3}\fi\fi
\if<#1\if<#2\ccOperatorinfix{#1\!#2#3}\fi\fi
\else @ 3 parameters
\if#1d\if#2e\ccOperatordelete{#1#2#3}\fi\fi
\fi
\fi
}
}
\def\ccOperatorpraefix #1{%
$#1 \mbox{\unhbox\parameterX}$\operatorerror=0 }
\def\ccOperatorinfix #1{%
$\mbox{\unhbox\parameterX\ccEndFont} #1
\mbox{\unhbox\parameterXX}$\operatorerror=0 }
\def\ccOperatorpostfix #1{%
$\mbox{\unhbox\parameterX} #1$\operatorerror=0 }
\def\ccOperatorappend #1#2{%
$\mbox{\unhbox\parameterX} #1#2$\operatorerror=0 }
\def\ccOperatorparX #1#2{%
\unhbox\parameterX#1#2\operatorerror=0 }
\def\ccOperatorparXX #1#2{%
\unhbox\parameterX#1\unhbox\parameterXX#2\operatorerror=0 }
\def\ccOperatorparXXX #1#2{%
\unhbox\parameterX\ccEndFont#1\unhbox\parameterXX,
\unhbox\parameterXXX#2\operatorerror=0 }
\def\ccOperatornew #1{%
$ \mbox{{\ccFont #1} \ccClassTemplateName}$\operatorerror=0 }
% $ * \mbox{{\ccFont ptr\_}\unhbox\parameterX} = \mbox{{\ccFont #1}
% \ccClassTemplateName}$\operatorerror=0 }
\def\ccOperatordelete #1{%
$ \mbox{{\ccFont #1} \unhbox\parameterXX}$\operatorerror=0 }
% +--------------------------------------------------------------------------
% | * Template declaration separation
% +--------------------------------------------------------------------------
% | The input starts with a template declaration. This and including
% | its parameter list will be separated from the rest of the declaration.
% | The macro in argument #1 will be applied to them, delimited with \end. The
% | rest will be handed over to the command in argument #2, also delimited
% | with \end.
% +--------------------------------------------------------------------------
% #1 macro to be applied to the template declaration
% #2 macro to be applied to the rest of the declaration
% #3 should be empty
% #4 the declaration, delimited by \end.
\def\ccSeparateTemplate #1#2#3template#4\end{%
\nestinglevel=0
\hasLeadingSpace{#4}\ifnum\ccBool=\ccTrue
\ccSeparateTemplateX{#1}{#2}{template }#4\end
\else
\ccSeparateTemplateX{#1}{#2}{template}#4\end
\fi}
% #1 macro to be applied to the template declaration
% #2 macro to be applied to the rest of the declaration
% #3 accumulator for the template declaration
% #4 first character of declaration
% #5 rest of declaration, delimited by \end.
\def\ccSeparateTemplateX #1#2#3#4#5\end{%
\if<#4\advance\nestinglevel by1 \fi
\if(#4\advance\nestinglevel by1 \fi
\if)#4\advance\nestinglevel by-1 \fi
\if>#4\advance\nestinglevel by-1 \fi
\ifnum\nestinglevel<1
\ifnum\nestinglevel<0
\errmessage{Unbalanced angles detected in
template parameters of template
declaration. I'll try.}%
\fi
#1#3#4\end #2#5\end
\fi
\hasLeadingSpace{#5}\ifnum\ccBool=\ccTrue
\def\xxbody{\ccSeparateTemplateX{#1}{#2}{#3#4 }#5\end}%
\else
\def\xxbody{\ccSeparateTemplateX{#1}{#2}{#3#4}#5\end}%
\fi
\ifnum\nestinglevel<1 \let\xxnext=\relax
\else\let\xxnext=\xxbody\fi
\xxnext}
% +--------------------------------------------------------------------------
% | * Parameter list parsing:
% +--------------------------------------------------------------------------
% | Parameter lists are commata separated parameters. Template
% | instantiation nesting is considered. Parentheses nesting
% | from default initializers are also considered.
% +--------------------------------------------------------------------------
% Print a C++ parameter list (separated with commatas). The output formats
% with a space between commata and the parameter text.
\def\ccPrintParamList #1{%
\nestinglevel=0
\ccPrintParamListX{}#1\end}
% Support function:
% o The first parameter accumulates the so far parsed first parameter.
% o The second parameter contains the next character.
% o The third parameter contains the rest.
% The parsing process iterates characterwise.
% The parameter list has to be terminated with "\end".
\def\ccPrintParamListX #1#2#3\end{%
\if<#2\advance\nestinglevel by1 \fi
\if>#2\advance\nestinglevel by-1 \fi
\if(#2\advance\nestinglevel by1 \fi
\if)#2\advance\nestinglevel by-1 \fi
\if,#2%
\ifnum\nestinglevel=0
\ccPrintParameter #1const.&.\end,\ccExtendedFormat
\def\xxbody{\ccPrintParamListX{}#3\end}%
\else\ifnum\nestinglevel<0
\errmessage{Unbalanced angles detected in
template types in the C++ parameter list}%
\def\xxbody{\ccPrintParamListX{}#3\end}%
\else% comma within template parameter detected
\hasLeadingSpace{#3}\ifnum\ccBool=\ccTrue
\def\xxbody{\ccPrintParamListX{#1#2 }#3\end}%
\else
\def\xxbody{\ccPrintParamListX{#1#2}#3\end}%
\fi
\fi\fi
\else% old: \isEmpty{#3}\ifnum\ccBool=\ccTrue
\ifnum\nestinglevel<0
\ifnum\nestinglevel=-1
\ccPrintParameter #1const.&.\end%
\else
\errmessage{Unbalanced angles detected in
template types in the C++ parameter list}%
\fi
\def\xxbody{\ccPrintParamListX{}#3\end}%
\else
\hasLeadingSpace{#3}\ifnum\ccBool=\ccTrue
\def\xxbody{\ccPrintParamListX{#1#2 }#3\end}%
\else
\def\xxbody{\ccPrintParamListX{#1#2}#3\end}%
\fi
\fi\fi
% old: \isEmpty{#3}\ifnum\ccBool=\ccTrue
\ifnum\nestinglevel<0 \let\xxnext=\relax
\else\let\xxnext=\xxbody\fi
\xxnext}
% If an operator is used, a specialized parameter parsing macro counts
% the number of parameters and store the result in the three following boxes.
% \NParameters is one of 0,1,2,3. In the case of 3, there are three or more
% parameters, as it was possible for the ()-operator. Thei are all together
% stored in \box\parameterXXX.
\newcount\NParameters % counts number of parameters for operators
\newbox\parameterX % first parameter
\newbox\parameterXX % second parameter
\newbox\parameterXXX % third and rest of parameters
% Extract up to three parameters from a C++ parameter list
% (separated with commatas) within the \parameterX.. boxes.
\def\ccExtractParamList #1{%
\nestinglevel=0
\NParameters=0
\isEmpty{#1}\ifnum\ccBool=\ccFalse \ccExtractParamListX{}#1\end\fi}
% Support function:
% o The first parameter accumulates the so far parsed first parameter.
% o The second parameter contains the next character.
% o The third parameter contains the rest.
% The parsing process iterates characterwise.
% The parameter list has to be terminated with "\end".
\def\ccExtractParamListX #1#2#3\end{%
\if<#2\advance\nestinglevel by1 \fi
\if>#2\advance\nestinglevel by-1 \fi
\if(#2\advance\nestinglevel by1 \fi
\if)#2\advance\nestinglevel by-1 \fi
\if,#2%
\ifnum\nestinglevel=0
\advance\NParameters by1
\ifnum\NParameters=1 \setbox\parameterX=%
\hbox{\ccPrintParameter #1const.&.\end}%
\def\xxxbody{\ccExtractParamListX{}#3\end}%
\else\advance\NParameters by1
\setbox\parameterXX=%
\hbox{\ccPrintParameter #1const.&.\end}%
\setbox\parameterXXX=%
\hbox{\ccPrintParamList{#3}}%
\def\xxxbody{\relax}%
\fi
\else\ifnum\nestinglevel<-1
\errmessage{Unbalanced angles or parantheses
detected in
template types in the C++ parameter list}%
\def\xxxbody{\ccExtractParamListX{}#3\end}%
\else% comma within template parameter detected
\hasLeadingSpace{#3}\ifnum\ccBool=\ccTrue
\def\xxxbody{\ccExtractParamListX{#1#2 }#3\end}%
\else
\def\xxxbody{\ccExtractParamListX{#1#2}#3\end}%
\fi
\fi\fi
\else\ifnum\nestinglevel<0
\ifnum\nestinglevel=-1
\advance\NParameters by1
\ifnum\NParameters=1 \setbox\parameterX=%
\hbox{\ccPrintParameter #1const.&.\end}%
\else\ifnum\NParameters=2 \setbox\parameterXX=%
\hbox{\ccPrintParameter #1const.&.\end}%
\else\setbox\parameterXXX=%
\hbox{\ccPrintParameter #1const.&.\end}%
\fi\fi
\else
\errmessage{Unbalanced angles or
parantheses detected in
template types in the C++ parameter list}%
\fi
\def\xxxbody{\ccExtractParamListX{}#3\end}%
\else
\hasLeadingSpace{#3}\ifnum\ccBool=\ccTrue
\def\xxxbody{\ccExtractParamListX{#1#2 }#3\end}%
\else
\def\xxxbody{\ccExtractParamListX{#1#2}#3\end}%
\fi
\fi\fi
\ifnum\nestinglevel<0 \let\xxxnext=\relax
\else\let\xxxnext=\xxxbody\fi
\xxxnext}
% +--------------------------------------------------------------------------
% | * Parameter Parsing:
% +--------------------------------------------------------------------------
% | A single parameter consists of a type and optional of a variable name.
% | If the type contains a "const ... &" pair, it is removed. If the
% | the type is similar to the class that is currently declared, it is
% | also removed. (In that case it might result in an empty parameter
% | if no variable name is given. Then, a dummy "#" is printed instead.
% |
% | The return type of a method or function has no `variable name', so
% | only "const ... &" removal is done and no classname elimination.
% +--------------------------------------------------------------------------
% The parameter parsing macros counts the nesting level of
% template parameter instantiations.
\newcount\nestinglevel
\newcount\xnestinglevel
% Print a parameter where "const ...&" pairs are eliminated. Strips a
% leading type that equals the \ccClassName. It is a four step process:
% 1. strip all in front of a "<" character.
% 2. extract the leading token without any space in it to decide,
% weather the type given is a templated type or not.
% 3. Compare the leading token with \ccClassName
% 4. If true, strip the possible following template parameter.
% The parameter has to be delimited with "<>\end".
% Ignore leading spaces.
\def\ccPrintOwnClassParameter #1#2<#3#4\end{%
\ifnum\ccTagRmEigenClassName=\ccFalse
\ccPrintOwnClassXQX #1#2<#3#4\end%
\else
\ifx\ccPureTemplateParameters\empty
\if>#3%
\ccPrintOwnClassX #1#2 \end% no template case
\else
\ccPrintOwnClassXQX #1#2<#3#4\end%
\fi
\else\if>#3%
\ccPrintOwnClassX #1#2 \end% no template case
\else
\ccPrintOwnClassXX{#1#2}<#3#4\end% template case ?
\fi\fi
\fi
}
\def\ccPrintOwnClassXQX #1#2<>\end{% strip the unneccessary <> from the end
\ccPrintTokens #1#2\end}
\def\ccPrintOwnClassX #1 #2\end{% check for \ccClassName
\def\xparams{#1}\ifx\xparams\ccPureClassName
\isEmpty{#2}\ifnum\ccBool=\ccTrue
\ccEmptyParameter
\else
\ccPrintTokens #2\end%
\fi
\else
\ccPrintTokens #1 #2\end%
\fi}
\def\ccPrintOwnClassXX #1#2<>\end{% strip the unneccessary <> from the end
\ccPrintOwnClassXXX {#2}#1 \end}
\def\ccPrintOwnClassXXX #1#2 #3\end{%
% check \ccClassName in the possible template case
% #1 is the parameter tail starting with the template params
% #2 is the leading class name
% #3 is inbetween and should be empty
\def\qqparams{#3}\ifx\qqparams\empty
\def\xparams{#2}\ifx\xparams\ccPureClassName
\xnestinglevel=0
\ccPrintOwnClassXXXX #1\end% strip the template parameters
\else
\ccPrintTokens #2#1\end% nothing stripped
\fi
\else
\ccPrintTokens #2\ \end
\ccPrintOwnClassXXX {#1}#3\end
\fi}
\def\ccPrintOwnClassXXXX #1#2\end{% strip a leading template parameter
\if<#1\advance\xnestinglevel by1 \fi
\if>#1\advance\xnestinglevel by-1 \fi
\ifnum\xnestinglevel=0
\isEmpty{#2}\ifnum\ccBool=\ccTrue
\ccEmptyParameter
\else
\ccPrintTokens #2\end%
\fi
\let\xnext=\relax
\else
\def\xparams{#2}%
\ifx\xparams\empty
\errmessage{Mismatching angles in template
parameter list}%
\fi
\def\xbody{\ccPrintOwnClassXXXX #2\end}%
\let\xnext=\xbody
\fi
\xnext}
% Print a C++ function or method parameter. Strips a matching
% "const ...&" pair.
% The parameter has to be delimited with "const.&.\end".
\def\ccPrintParameter #1const#2&#3\end{%
\ifnum\ccTagRmConstRefPair=\ccFalse
\ccPrintParameterXQ #1const#2&#3\end%
\else
\if.#2\isEmpty{#1}\ifnum\ccBool=\ccFalse
\ccPrintOwnClassParameter #1<>\end%
\fi
\else
\if&#2\ccPrintParameter #1&#3\end%
\else
\if.#3\ccPrintParameterXQ #1const#2&#3\end%
\else\hasLeadingSpace{#2}\ifnum\ccBool=\ccFalse
\isLetter{#2}\ccInvert
\fi
\ifnum\ccBool=\ccTrue
\ccPrintParameter #1#2 #3\end%
\else
\ccPrintParameterXQ #1const#2&#3\end%
\fi
\fi
\fi
\fi
\fi}
\def\ccPrintParameterXQ #1const.&.\end{\ccPrintOwnClassParameter #1<>\end}
% Print a C++ function or method return type. Strips a matching
% "const ...&" pair.
% The parameter has to be delimited with "const.&.\end".
\def\ccPrintReturnType #1const#2&#3\end{%
\ifnum\ccTagRmConstRefPair=\ccFalse
\ccPrintReturnTypeXQ #1const#2&#3\end%
\else
\if.#2\isEmpty{#1}\ifnum\ccBool=\ccFalse
\ccPrintTokens #1\end%
\fi
\else
\if&#2\ccPrintReturnType #1&#3\end%
\else
\if.#3\ccPrintReturnTypeXQ #1const#2&#3\end%
\else\hasLeadingSpace{#2}\ifnum\ccBool=\ccFalse
\isLetter{#2}\ccInvert
\fi
\ifnum\ccBool=\ccTrue
\ccPrintReturnType #1#2 #3\end%
\else
\ccPrintReturnTypeXQ #1const#2&#3\end%
\fi
\fi
\fi
\fi
\fi}
\def\ccPrintReturnTypeXQ #1const.&.\end{\ccPrintTokens #1\end}
% ___________________________________________________________________________
% ###########################################################################
% |
% | EOF
% |
% ###########################################################################