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-rw-r--r--scripts/MarkdownBook/Book.pm21
-rw-r--r--scripts/MarkdownBook/Document.pm4
-rw-r--r--scripts/MarkdownBook/Document/HTML.pm4
-rw-r--r--scripts/MarkdownBook/Document/Txt.pm4
4 files changed, 24 insertions, 9 deletions
diff --git a/scripts/MarkdownBook/Book.pm b/scripts/MarkdownBook/Book.pm
index a3d9eeb..f942803 100644
--- a/scripts/MarkdownBook/Book.pm
+++ b/scripts/MarkdownBook/Book.pm
@@ -16,6 +16,8 @@
use strict;
use warnings;
+use Carp;
+
package MarkdownBook::Book;
sub new
@@ -36,6 +38,8 @@ sub new
use MarkdownBook::Document::Txt;
$self->{'format'} = 'txt';
$self->{'format_mod'} = 'Txt';
+ } else {
+ croak('Unsupported format "' . $format . '"');
}
$self->{'dir'} = $dir;
@@ -114,7 +118,8 @@ sub create_documents
# Create chapter documents.
$i = 0;
- open($series_fh, '<', $self->{'dir'} . '/chapters');
+ open($series_fh, '<', $self->{'dir'} . '/chapters')
+ or croak('Cannot open chapters file');
while (<$series_fh>) {
chomp($_);
($file, $title) = split(/[ \t]+/, $_, 2);
@@ -131,7 +136,8 @@ sub create_documents
$i = -1;
@letters = ('A' .. 'Z');
if (-e $self->{'dir'} . '/appendices') {
- open($series_fh, '<', $self->{'dir'} . '/apendices');
+ open($series_fh, '<', $self->{'dir'} . '/apendices')
+ or croak('Cannot open appendices file');
while (<$series_fh>) {
chomp($_);
($file, $title) = split(/[ \t]+/, $_, 2);
@@ -194,11 +200,14 @@ sub _do_subst_macro
if ($macro eq 'toc') {
return $self->_do_gen_toc();
} elsif ($macro eq 'sectlink') {
- die('Invalid arguments to "sectlink" macro') if @args != 1;
- $sec = $self->{'sections_by_id'}->{$args[0]};
- return '[§ ' . $sec->number() . '][' . $sec->id() . ']';
+ if (@args != 1) {
+ carp('Invalid arguments to "sectlink" macro');
+ } else {
+ $sec = $self->{'sections_by_id'}->{$args[0]};
+ return '[§ ' . $sec->number() . '][' . $sec->id() . ']';
+ }
} else {
- die("Unrecognized macro \"$macro\"");
+ carp("Unrecognized macro \"$macro\"");
}
}
diff --git a/scripts/MarkdownBook/Document.pm b/scripts/MarkdownBook/Document.pm
index b84503d..fa47cdb 100644
--- a/scripts/MarkdownBook/Document.pm
+++ b/scripts/MarkdownBook/Document.pm
@@ -17,6 +17,7 @@ use strict;
use warnings;
use MarkdownBook::Section;
+use Carp;
package MarkdownBook::Document;
@@ -143,7 +144,8 @@ sub parse
my $source_text;
open($source_fh, '<',
- $self->{'book'}->dir() . '/' . $self->{'file'} . '.mdwn');
+ $self->{'book'}->dir() . '/' . $self->{'file'} . '.mdwn')
+ or croak('Cannot open "' . $self->{'file'} . '" source document');
$source_text = join('', <$source_fh>);
close($source_fh);
diff --git a/scripts/MarkdownBook/Document/HTML.pm b/scripts/MarkdownBook/Document/HTML.pm
index 9d61760..2852e8e 100644
--- a/scripts/MarkdownBook/Document/HTML.pm
+++ b/scripts/MarkdownBook/Document/HTML.pm
@@ -18,6 +18,7 @@ use warnings;
use MarkdownBook::Document;
use MarkdownBook::HTMLTree;
+use Carp;
use Text::Markdown;
use HTML::TreeBuilder;
use HTML::Template;
@@ -143,7 +144,8 @@ sub _do_output_template
$doc_tmpl->param(BODY => $body);
- open($doc_fh, '>', $self->file_path() . '.html');
+ open($doc_fh, '>', $self->file_path() . '.html')
+ or croak('Cannot open "' . $self->{'file'} . '" destination document');
$doc_tmpl->output(print_to => $doc_fh);
close($doc_fh);
}
diff --git a/scripts/MarkdownBook/Document/Txt.pm b/scripts/MarkdownBook/Document/Txt.pm
index 6c7f038..cf65d92 100644
--- a/scripts/MarkdownBook/Document/Txt.pm
+++ b/scripts/MarkdownBook/Document/Txt.pm
@@ -17,6 +17,7 @@ use strict;
use warnings;
use MarkdownBook::Document;
+use Carp;
package MarkdownBook::Document::Txt;
@@ -28,7 +29,8 @@ sub output
my $out_fh;
open($out_fh, '>',
- $self->{'book'}->dir() . '/' . $self->{'file'} . '.txt');
+ $self->{'book'}->dir() . '/' . $self->{'file'} . '.txt')
+ or croak('Cannot open "' . $self->{'file'} . '" destination document');
# Print document title.
print($out_fh $self->{'title'} . "\n" .