File Coverage

blib/lib/Config/Apachish/Reader.pm

Criterion	Covered	Total	%
statement	56	57	98.2
branch	23	24	95.8
condition	3	3	100.0
subroutine	6	6	100.0
pod			n/a
total	88	90	97.7

package Config::Apachish::Reader;

our $DATE = '2015-12-11'; # DATE
our $VERSION = '0.02'; # VERSION

use 5.010001;
use strict;
use warnings;

use parent qw(Config::Apachish::Base);

sub _init_read {
    my $self = shift;

    $self->SUPER::_init_read;
    $self->{_context_stack} = [ ['', []] ]; # name, nodes
}

sub _read_string {
    my ($self, $str) = @_;

    my $ctxs  = $self->{_context_stack};
    my $nodes = $ctxs->[0][1];

    my @lines = split /^/, $str;
    local $self->{_linum} = 0;
  LINE:
    for my $line (@lines) {
        $self->{_linum}++;

        #use DD; dd $ctxs; say '';

        # blank line
        if ($line !~ /\S/) {
            next LINE;
        }

        # open/close context line
        if ($line =~ s!\A\s*
            if ($line =~ s!\A/!!) {
                # close context
                $self->_err("Invalid close context line")
                    unless $line =~ /\A(\w+)>$/;
                my $ctx_name = lc($1);
                $self->_err("Close context line '$ctx_name' without ".
                                "previous open")
                    unless @$ctxs > 1 && $ctxs->[-1][0] eq $ctx_name;
                pop @$ctxs;
            } else {
                # open context
                $self->_err("Invalid open context line")
                    unless $line =~ s/\A(\w+)(?:\s+(\S.*))?>$//;
                my $ctx_name = lc($1);
                my $args_s = $2;
                my $args;
                if (length($args_s)) {
                    $args = $self->_parse_command_line($args_s);
                    $self->_err("Invalid argument syntax in open context line")
                        unless defined $args;
                } else {
                    $args = [];
                }
                my $children = [];
                my $node = ['C', $ctx_name, $args, $children];
                push @$nodes, $node;
                $nodes = $children;
                push @$ctxs, [$ctx_name, $nodes];
            }
            next LINE;
        }

        # comment line
        if ($line =~ /\A\s*#/) {
            next LINE;
        }

        # directive line
        if ($line =~ /\A\s*(\w+)\s+(\S.*)$/) {
            my $dir_name = lc($1);
            my $args = $self->_parse_command_line($2);
            if (!defined($args)) {
                $self->_err("Invalid argument syntax in directive line");
            }
            push @{$ctxs->[-1][1]}, ['D', $dir_name, $args];
            # TODO: handle include
            next LINE;
        }

        $self->_err("Invalid directive syntax");
    }

    #use DD; dd $ctxs;

    if (@$ctxs > 1) {
        $self->_err("Unclosed context '$ctxs->[-1][0]'");
    }

    $ctxs->[0][1];
}

1;
# ABSTRACT: Read Apachish configuration files

__END__