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.\" ======================================================================
.\"
.IX Title "HPP 1"
.TH HPP 1 "perl v5.6.0" "2000-07-30" "User Contributed Perl Documentation"
.UC
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
hpp [\fB\-D\fR \fIdefine\fR=\fIvalue\fR] [\fB\-A\fR \fIassertion\fR-\fIvalue\fR] [\fB\-I\fR \fIinclude directory\fR=\fIvalue\fR] \fIinfile\fR \fIoutfile\fR
.SH "OPTIONS"
.IX Header "OPTIONS"
.Ip "\fB\-D\fR" 4
.IX Item "-D"
Create a new definition. Takes the argument \fIdefinition\fR=\fIvalue\fR.
.Ip "\fB\-A\fR" 4
.IX Item "-A"
Create a new assertion or add a value to an already-existing assertion. Takes the argument \fIassertion\fR-\fIvalue\fR
.Ip "\fB\-I\fR" 4
.IX Item "-I"
Add a directory to the include directory list.
=back
.SH "SUPPORTED DIRECTIVES"
.IX Header "SUPPORTED DIRECTIVES"
.RS 4
.Ip "\fB#include\fR" 4
.IX Item "#include"
Include a file, much like in \fB\f(BIcpp\fB\|(1)\fR. If the filename is enclosed in <>s, it is taken from the include directories. Otherwise it should be enclosed in ""s, in which case its taken from the \s-1CWD\s0.
.Ip "\fB#define\fR" 4
.IX Item "#define"
Define a variable to a value. Unlike \fB\f(BIcpp\fB\|(1)\fR, variables \fImust\fR have values. Syntax is \fIvariable\fR=\fIvalue\fR.
.Ip "\fB#assert\fR" 4
.IX Item "#assert"
Much like #assert in \fB\f(BIcpp\fB\|(1)\fR, takes an argument in the form \fIassertion\fR(\fIvalue\fR).
.Ip "\fB#v\fR" 4
.IX Item "#v"
Unlike \fB\f(BIcpp\fB\|(1)\fR, hpp does not dereference variables created with #define everywhere in the input stream. It only dereferences them when it finds #v\fIvariable\fR.
.Ip "\fB#else\fR and \fB#endif\fR" 4
.IX Item "#else and #endif"
#endif \fImust\fR terminate an #if. #else may occur anywhere between an #if and an #endif.
.Ip "\fB#if\fR" 4
.IX Item "#if"
hpp only recognizes the syntax, #if #\fIassert\fR(\fIvalue\fR) for if.
.Ip "\fB#ifdef\fR and \fB#ifndef\fR" 4
.IX Item "#ifdef and #ifndef"
hpp only recognizes wether or not a variable exists, and can't compare the value of the variable (yet).
.RE
.RS 4
.SH "BUGS"
.IX Header "BUGS"
.RS 4
Incomplete #if/#ifdef/#ifndef support. No #elseif support. Dangerous #if nesting. Include paths have to be absolute and are broken in general.
.RE
.RE
.RS 4
.SH "AUTHOR and COPYRIGHT"
.IX Header "AUTHOR and COPYRIGHT"
.Vb 3
\& HPP - A simple HTML Pre-processor
\& (C) Copyright 1998, 2000 by Nicholas A. Rusnov <nick@fargus.net>
\& Portions (C) Copyright 1998 by Etherbox Software
.Ve
.Vb 6
\& Licensed under the Gnu General Public License
\& You may copy this file freely, modify, distribute modifed
\& copies, spindle, fold, bend and mutilate at will, however,
\& I am not responsible for any failure to operate or damages
\& resulting from said failure, or any damages at all for that
\& matter.
.Ve