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package TemplateInputReader;
# ************************************************************
# Description : Reads the template input and stores the values
# Author : Chad Elliott
# Create Date : 5/16/2002
# ************************************************************
# ************************************************************
# Pragmas
# ************************************************************
use strict;
use Parser;
use vars qw(@ISA);
@ISA = qw(Parser);
# ************************************************************
# Data Section
# ************************************************************
my($mpt) = 'mpt';
# ************************************************************
# Subroutine Section
# ************************************************************
sub new {
my($class) = shift;
my($inc) = shift;
my($self) = Parser::new($class, $inc);
$self->{'values'} = {};
$self->{'cindex'} = 0;
$self->{'current'} = [ $self->{'values'} ];
return $self;
}
sub parse_line {
my($self) = shift;
my($ih) = shift;
my($line) = shift;
my($status) = 1;
my($errorString) = '';
my($current) = $self->{'current'};
if ($line eq '') {
}
elsif ($line =~ /^([\w\s]+)\s*{$/) {
## Entering a new scope
my($name) = $1;
$name =~ s/\s+$//;
if (!defined $$current[$self->{'cindex'}]->{$name}) {
$$current[$self->{'cindex'}]->{$name} = {};
}
push(@$current, $$current[$self->{'cindex'}]->{$name});
$self->{'cindex'}++;
}
elsif ($line =~ /^}$/) {
if ($self->{'cindex'} > 0) {
pop(@$current);
$self->{'cindex'}--;
}
else {
$status = 0;
$errorString = 'ERROR: Unmatched curly brace';
}
}
elsif ($line =~ /^(\w+)\s*(\+=|=)\s*(.*)?/) {
my($name) = $1;
my($op) = $2;
my($value) = $3;
if (defined $value) {
$value = $self->create_array($value);
}
else {
$value = '';
}
if ($op eq '+=') {
my($ref) = $$current[$self->{'cindex'}]->{$name};
if (defined $ref) {
if (UNIVERSAL::isa($ref, 'ARRAY')) {
if (UNIVERSAL::isa($value, 'ARRAY')) {
push(@$ref, @$value);
}
else {
push(@$ref, $value);
}
}
else {
if (UNIVERSAL::isa($value, 'ARRAY')) {
$$current[$self->{'cindex'}]->{$name} .= " @$value";
}
else {
$$current[$self->{'cindex'}]->{$name} .= $value;
}
}
}
else {
$$current[$self->{'cindex'}]->{$name} = $value;
}
}
else {
if (!$$current[$self->{'cindex'}]->{$name}) {
$$current[$self->{'cindex'}]->{$name} = $value;
}
else {
$status = 0;
$errorString = "ERROR: Redifinition of '$name'";
}
}
}
elsif ($line =~ /^conditional_include\s+"([\w\s\-\+\/\\\.]+)"$/) {
my($file) = $self->search_include_path("$1.$mpt");
if (defined $file) {
my($ol) = $self->{'line_number'};
($status, $errorString) = $self->read_file($file);
$self->{'line_number'} = $ol;
}
}
else {
$status = 0;
$errorString = "ERROR: Unrecognized line: $line";
}
return $status, $errorString;
}
sub get_value {
my($self) = shift;
my($tag) = shift;
return $self->{'values'}->{$tag};
}
1;
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