modperl::code.3

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

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.\" ========================================================================
.\"
.IX Title "ModPerl::Code 3"
.TH ModPerl::Code 3 "2005-10-21" "perl v5.10.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
$class\e::Const \- Perl Interface for $class Constants
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.SH "CONSTANTS"
.IX Header "CONSTANTS"
\&\s-1EOF\s0
.PP
.Vb 3
\&        my $groups = $data{$class};
\&        for my $group (sort keys %$groups) {
\&            print $fh <<"EOF";
.Ve
.ie n .Sh """:$group"""
.el .Sh "\f(CW:$group\fP"
.IX Subsection ":$group"
.Vb 1
\&  use $class\e::Const \-compile qw(:$group);
.Ve
.PP
The \f(CW\*(C`:$group\*(C'\fR group is for \s-1XXX\s0 constants.
.PP
\&\s-1EOF\s0
.PP
.Vb 4
\&            for my $const (sort @{ $groups\->{$group} }) {
\&                print $fh "=head3 C<$class\e::$const>\en\en\en";
\&            }
\&        }
\&
\&        print $fh "=cut\en";
\&    }
\&}
.Ve
.PP
sub generate_constants_lookup_doc {
    my ($data) = \f(CW@_\fR;
.PP
.Vb 2
\&    while (my ($class, $groups) = each %$Apache2::ConstantsTable) {
\&        my $constants = [map { @$_ } values %$groups];
\&
\&        constants_lookup_code_doc($constants, $class, $data);
\&    }
\&}
.Ve
.PP
sub generate_constants_group_lookup_doc {
    my ($data) = \f(CW@_\fR;
.PP
.Vb 4
\&    while (my ($class, $groups) = each %$Apache2::ConstantsTable) {
\&        constants_group_lookup_code_doc($class, $groups, $data);
\&    }
\&}
.Ve
.PP
sub constants_group_lookup_code_doc {
    my ($class, \f(CW$groups\fR, \f(CW$data\fR) = \f(CW@_\fR;
    my \f(CW@tags\fR;
    my \f(CW@code\fR;
.PP
.Vb 11
\&    while (my ($group, $constants) = each %$groups) {
\&        $data\->{$class}{$group} = [
\&            map {
\&                my @ifdef = constants_ifdef($_);
\&                s/^($constant_prefixes)_?//o;
\&                $seen_const{$class}{$_}++;
\&                $_;
\&            } @$constants
\&        ];
\&    }
\&}
.Ve
.PP
sub constants_lookup_code_doc {
    my ($constants, \f(CW$class\fR, \f(CW$data\fR) = \f(CW@_\fR;
.PP
.Vb 1
\&    my (%switch, %alias);
\&
\&    %alias = %shortcuts;
\&
\&    my $postfix = lc $class;
\&    my $package = $class . \*(Aq::\*(Aq;
\&    my $package_len = length $package;
\&
\&    my $func = canon_func(qw(constants lookup), $postfix);
\&
\&    for (@$constants) {
\&        if (s/^($constant_prefixes)(_)?//o) {
\&            $alias{$_} = join $2 || "", $1, $_;
\&        }
\&        else {
\&            $alias{$_} ||= $_;
\&        }
\&        next unless /^([A\-Z])/;
\&        push @{ $switch{$1} }, $_;
\&    }
\&
\&    for my $key (sort keys %switch) {
\&        my $names = $switch{$key};
\&        for my $name (@$names) {
\&            my @ifdef = constants_ifdef($alias{$name});
\&            push @{ $data\->{$class}{other} }, $name
\&                unless $seen_const{$class}{$name}
\&        }
\&    }
\&}
.Ve
.PP
sub generate_exports {
    my ($self, \f(CW$c_fh\fR) = \f(CW@_\fR;
    require ModPerl::WrapXS;
    ModPerl::WrapXS\->generate_exports($c_fh);
}
.PP
# src/modules/perl/*.c files needed to build APR/APR::* outside
# of mod_perl.so
sub src_apr_ext {
    return map { \*(L"modperl_$_\*(R" } (qw(error bucket),
                                  map { \*(L"common_$_\*(R" } qw(util log));
}
.PP
1;
_\|_END_\|_
.SH "NAME"
ModPerl::Code \- Generate mod_perl glue code
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\&  use ModPerl::Code ();
\&  my $code = ModPerl::Code\->new;
\&  $code\->generate;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module provides functionality for generating mod_perl glue code.
Reason this code is generated rather than written by hand include:
.IP "consistency" 4
.IX Item "consistency"
.PD 0
.IP "thin and clean glue code" 4
.IX Item "thin and clean glue code"
.IP "enable/disable features (without #ifdefs)" 4
.IX Item "enable/disable features (without #ifdefs)"
.IP "adapt to changes in Apache" 4
.IX Item "adapt to changes in Apache"
.IP "experiment with different approaches to gluing" 4
.IX Item "experiment with different approaches to gluing"
.PD
.SH "AUTHOR"
.IX Header "AUTHOR"
Doug MacEachern