Mercurial > pub > Impl
diff Lib/IMPL/Resources/StringMap.pm @ 376:a54a2faf2f7e
added localizable string maps
author | cin |
---|---|
date | Mon, 13 Jan 2014 17:52:04 +0400 |
parents | |
children | a0d342ac9a36 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Lib/IMPL/Resources/StringMap.pm Mon Jan 13 17:52:04 2014 +0400 @@ -0,0 +1,128 @@ +package IMPL::Web::Resources::StringMap; +use strict; + +use IMPL::Const qw(:prop); +use IMPL::declare { + require => { + Exception => 'IMPL::Exception', + IOException => '-IMPL::IOException', + ArgException => '-IMPL::InvalidArgumentException' + }, + props => [ + _data => PROP_RW, + _parent => PROP_RW + ] +}; + +sub CTOR { + my ($this,$data,$parent) = @_; + + die ArgException->new( data => 'A hash reference is required' ) + unless ref($data) eq 'HASH'; + + die ArgException->new( data => 'A hash must contain either scalars or subs') + if grep not($_) || (ref($_) and ref($_) ne 'CODE'), values %$data; + + $this->_data($data); + $this->_parent($parent); +} + +sub GetString { + my ($this,$id,$args) = @_; + + if(my $format = $this->_data->{$id}) { + return $this->FormatString($format,$args); + } else { + return $this->_parent? $this->_parent->GetString($id,$args) : "[$id]"; + } + +} + +sub FormatString { + my ($self,$text,$args) = @_; + + $args ||= {}; + $resolver ||= \&_defaultResolver; + $text ||= ''; + + $string =~ s/%(\w+(?:\.\w+)*)%/$self->GetValue($args,$1,"\[$1\]")/ge; + + return $string; + +} + +sub GetValue { + my ($self,$obj,$path,$default) = @_; + + foreach my $chunk (split /\./,$path) { + return $default unless $obj; + if (ref $obj eq 'HASH') { + $obj = $obj->{$chunk}; + } else { + $obj = $self->Resolve($obj,$chunk); + } + } + return $obj||'<undef>'; +} + +sub Resolve { + my ($self,$obj,$prop) = @_; + + return ( eval { $obj->can($prop) } ? $obj->$prop() : undef ); +} + +sub _LoadMap { + my ($self,$file,$parent) = @_; + + my $data = do $file; + my $e = $@; + die Exception->new("Failed to load file '$file'", $e) if $e; + die IOException->new("Failed to load file '$file'", $!) if not defined $data and $!; + die Exception->new("Failed to load file '$file'", "A hash data is expected") unless ref($data) eq 'HASH'; + + return $self->new($data,$parent); +} + +1; + +__END__ + +=pod + +=head1 NAME + +C<IMPL::Web::Resources::StringMap> + +=head1 SYNOPSIS + +My/App/locale/default/Search.labels + +My/App/locale/en/Search.map + +=begin code + +{ + TitleLabel => 'Search results', + ViewLabel => 'View %name%', # same as sub { $_[0]->Format('View %name%',$_[1]) } + ResultsCountLabel => sub { + my ($self,$args) = @_; + + $args ||= {}; + + if (not $args->{count}) { + return "No items found"; + } elsif($args->{count} == 1) { + return "Found one item"; + } else { + return $self->Format("Found %count% items", $args); + } + } +} + +=end code + +=head1 DESCRIPTION + +=head + +=cut \ No newline at end of file