File Coverage

blib/lib/CSS/Sass.pm

Criterion	Covered	Total	%
statement	29	43	67.4
branch	3	18	16.6
condition	0	6	0.0
subroutine	10	12	83.3
pod			n/a
total	42	79	53.1

# Copyright (c) 2013-2014 David Caldwell.
# Copyright (c) 2014-2017 Marcel Greter.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

package CSS::Sass;

use strict;
use warnings;
use Carp;

require Exporter;

our @ISA = qw(Exporter);

our @EXPORT_OK = qw(
	quote
	unquote
	auto_quote
	need_quotes
	resolve_file
	sass2scss
	import_sv
	sass_compile
	sass_compile_file
	libsass_version
	sass2scss_version
	sass_operation
	sass_stringify
	SASS_COMMA
	SASS_SPACE
	SASS_ERROR
	SASS_NULL
	SASS_BOOLEAN
	SASS_NUMBER
	SASS_STRING
	SASS_COLOR
	SASS_LIST
	SASS_MAP
);

our @EXPORT = qw(
	SASS_STYLE_NESTED
	SASS_STYLE_EXPANDED
	SASS_STYLE_COMPACT
	SASS_STYLE_COMPRESSED
	SASS2SCSS_PRETTIFY_0
	SASS2SCSS_PRETTIFY_1
	SASS2SCSS_PRETTIFY_2
	SASS2SCSS_PRETTIFY_3
	SASS2SCSS_KEEP_COMMENT
	SASS2SCSS_STRIP_COMMENT
	SASS2SCSS_CONVERT_COMMENT
);

our $VERSION = "3.4.7";

require XSLoader;
XSLoader::load('CSS::Sass', $VERSION);
require CSS::Sass::Value;

sub new
{
    my ($class, %options) = @_;
    # Ensure initial sub structures on options
    $options{plugin_paths} = [] unless exists $options{plugin_paths};
    $options{include_paths} = [] unless exists $options{include_paths};
    $options{sass_functions} = {} unless exists $options{sass_functions};
    # Create and return new object with options
    bless { options => \%options }, $class;
};

sub options
{
    shift->{options}
}

sub last_error
{
    my ($self) = @_;
    $self->{last_error}
}

my @path_types = (
  'plugin_paths',
  'include_paths'
);

# directory delimiter according to platform
my $dir_delim = $^O eq 'MSWin32' ? ';' : ':';

# normalize option hash
my $normalize_options = sub
{
    my ($options) = @_;
    # gather all functions
    # they need to be hashes
    my %functions =
    (
      %{$options->{'functions'} || {}},
      %{$options->{'sass_functions'} || {}}
    );
    # create functions array
    # help the c code a little
    my @functions = map { [
      $_, $functions{$_}
    ] } keys %functions;
    # gather all importers
    # they need to be arrays
    my @importers =
    map {
      ref($_) eq "ARRAY" ?
        $_ : [ $_, 0 ];
    }
    grep { defined }
    (
      $options->{'importer'},
      @{$options->{'importers'} || []},
      @{$options->{'sass_importers'} || []}
    );
    # gather all paths strings
    foreach my $type (@path_types)
    {
      $options->{$type} = join $dir_delim,
        map { split $dir_delim, $_ }
        @{$options->{$type} || []};
    }
    # now normalize the original hash
    $options->{'functions'} = \@functions;
    $options->{'importers'} = \@importers;
    # remove importer from options
    # it is now included in importers
    delete $options->{'importer'};
    # return pointer
    return $options;
};

sub sass_compile
{
    my ($sass_code, %options) = @_;
    no warnings 'uninitialized';
    $normalize_options->(\%options);
    my $r = compile_sass($sass_code, \%options);
    # decode the streams (maybe move directly to XS code)
    #utf8::decode($r->{output_string}) if defined $r->{output_string};
    #utf8::decode($r->{output_string}) if defined $r->{output_string};
    #utf8::decode($r->{error_message}) if defined $r->{error_message};
    wantarray ? ($r->{output_string}, $r->{error_message}, $r) : $r->{output_string}
}

sub sass_compile_file
{
    my ($input_path, %options) = @_;
    no warnings 'uninitialized';
    $normalize_options->(\%options);
    my $r = compile_sass_file($input_path, \%options);
    # decode the streams (maybe move directly to XS code)
    #utf8::decode($r->{output_string}) if defined $r->{output_string};
    #utf8::decode($r->{error_message}) if defined $r->{error_message};
    wantarray ? ($r->{output_string}, $r->{error_message}, $r) : $r->{output_string}
}

sub compile
{
    my ($self, $sass_code) = @_;
    my ($compiled, $stats);
    ($compiled, $self->{last_error}, $stats) = sass_compile($sass_code, %{$self->options});
    croak $self->{last_error} if $self->{last_error} && !$self->options->{dont_die};
    wantarray ? ($compiled, $stats) : $compiled
}

sub compile_file
{
    my ($self, $sass_file) = @_;
    my ($compiled, $stats);
    ($compiled, $self->{last_error}, $stats) = sass_compile_file($sass_file, %{$self->options});
    croak $self->{last_error} if $self->{last_error} && !$self->options->{dont_die};
    wantarray ? ($compiled, $stats) : $compiled
}

1;
__END__