946 lines
29 KiB
Perl
946 lines
29 KiB
Perl
####################################################################
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#
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# ANY CHANGE MADE HERE WILL BE LOST !
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#
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# This file was generated using Parse::Yapp version <<$version>>.
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# Don't edit this file, edit template.skel.pm and template.yp instead.
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#
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####################################################################
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package VMXTemplate::Parser;
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use strict;
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use base qw(Parse::Yapp::Driver);
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<<$driver>>
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VMXTemplate::Utils::import();
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<<$head>>
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sub new
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{
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my $class = shift;
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$class = ref($class) || $class;
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return bless $class->SUPER::new(
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yyversion => '<<$version>>',
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yystates =>
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<<$states>>,
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yyrules =>
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<<$rules>>,
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#line 30 "template.skel.pm"
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@_
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), $class;
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}
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sub _Lexer
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{
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my ($parser) = shift;
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return $parser->{__lexer}->read_token;
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}
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sub _error
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{
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my ($self) = @_;
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$self->{__lexer}->warn('Unexpected ' . $self->YYCurtok . ($self->YYCurval ? ' ' . $self->YYCurval : ''));
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$self->{__lexer}->skip_error;
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}
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sub compile
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{
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my ($self, $text) = @_;
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$self->{__lexer} ||= new VMXTemplate::Lexer($self, $self->{__options});
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$self->{__lexer}->set_code($text);
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$self->YYParse(yylex => \&_Lexer, yyerror => \&_error);
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}
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package VMXTemplate::Lexer;
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# Possible tokens consisting of special characters
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my $chartokens = '+ - = * / % ! , . < > ( ) { } [ ] & .. || && == != <= >= =>';
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# Reserved keywords
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my $keywords_str = 'OR XOR AND NOT IF ELSE ELSIF ELSEIF END SET FOR FOREACH FUNCTION BLOCK MACRO';
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sub new
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{
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my $class = shift;
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$class = ref($class) || $class;
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my ($options) = @_;
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my $self = bless {
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options => $options,
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# Input
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code => '',
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eaten => '',
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lineno => 0,
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# Preprocessed keyword tokens
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nchar => {},
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lens => [],
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keywords => { map { $_ => 1 } split / /, $keywords_str },
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# Last directive start position, directive and substitution start/end counters
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last_start => 0,
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last_start_line => 0,
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in_code => 0,
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in_subst => 0,
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}, $class;
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foreach (split(/ /, $chartokens))
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{
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$self->{nchar}{length($_)}{$_} = 1;
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}
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# Add code fragment finishing tokens
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$self->{nchar}{length($self->{options}->{end_code})}{$self->{options}->{end_code}} = 1;
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if ($self->{options}->{end_subst})
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{
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$self->{nchar}{length($self->{options}->{end_subst})}{$self->{options}->{end_subst}} = 1;
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}
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# Reverse-sort lengths
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$self->{lens} = [ sort { $b <=> $a } keys %{$self->{nchar}} ];
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return $self;
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}
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sub set_code
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{
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my $self = shift;
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my ($code) = @_;
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$self->{code} = $code;
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$self->{eaten} = '';
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$self->{lineno} = $self->{in_code} = $self->{in_subst} = 0;
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$self->{last_start} = $self->{last_start_line} = 0;
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}
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sub eat
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{
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my $self = shift;
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my ($len) = @_;
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my $str = substr($self->{code}, 0, $len, '');
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$self->{eaten} .= $str;
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$self->{lineno} += ($str =~ tr/\n/\n/);
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return $str;
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}
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sub skip_error
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{
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my ($self) = @_;
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$self->{code} = substr($self->{eaten}, $self->{last_start}+1, length($self->{eaten}), '') . $self->{code};
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$self->{lineno} = $self->{last_start_line};
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$self->{in_code} = $self->{in_subst} = 0;
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}
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sub read_token
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{
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my $self = shift;
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if (!length $self->{code})
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{
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# End of code
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return;
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}
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if ($self->{in_code} <= 0 && $self->{in_subst} <= 0)
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{
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my $r;
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my $code_pos = index($self->{code}, $self->{options}->{begin_code});
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my $subst_pos = index($self->{code}, $self->{options}->{begin_subst});
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if ($code_pos == -1 && $subst_pos == -1)
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{
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# No more directives
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$r = [ 'literal', [ "'".addcslashes($self->eat(length $self->{code}), "'\\")."'", 1 ] ];
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}
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elsif ($subst_pos == -1 || $code_pos >= 0 && $subst_pos > $code_pos)
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{
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# Code starts closer
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if ($code_pos > 0)
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{
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# We didn't yet reach the code beginning
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my $str = $self->eat($code_pos);
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if ($self->{options}->{eat_code_line})
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{
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$str =~ s/\n[ \t]*$/\n/s;
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}
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$r = [ 'literal', [ "'".addcslashes($str, "'\\")."'", 1 ] ];
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}
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else
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{
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# We are at the code beginning
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my $i = length $self->{options}->{begin_code};
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if ($self->{code} =~ /^.{$i}([ \t]+)/s)
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{
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$i += length $1;
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}
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if ($i < length($self->{code}) && substr($self->{code}, $i, 1) eq '#')
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{
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# Strip comment and retry
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$i = index($self->{code}, $self->{options}->{end_code}, $i);
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$i = $i >= 0 ? $i+length($self->{options}->{end_code}) : length $self->{code};
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$self->eat($i);
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return $self->read_token();
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}
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$r = [ '<!--', $self->{options}->{begin_code} ];
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$self->{last_start} = length $self->{eaten};
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$self->{last_start_line} = $self->{lineno};
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$self->eat(length $self->{options}->{begin_code});
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$self->{in_code} = 1;
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}
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}
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else
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{
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# Substitution is closer
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if ($subst_pos > 0)
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{
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$r = [ 'literal', [ "'".addcslashes($self->eat($subst_pos), "'\\")."'", 1 ] ];
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}
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else
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{
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$r = [ '{{', $self->{options}->{begin_subst} ];
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$self->{last_start} = length $self->{eaten};
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$self->{last_start_line} = $self->{lineno};
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$self->eat(length $self->{options}->{begin_subst});
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$self->{in_subst} = 1;
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}
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}
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return @$r;
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}
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# Skip whitespace
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if ($self->{code} =~ /^(\s+)/)
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{
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$self->eat(length $1);
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}
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if (!length $self->{code})
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{
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# End of code
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return;
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}
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if ($self->{code} =~ /^([a-z_][a-z0-9_]*)/is)
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{
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my $l = $1;
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$self->eat(length $l);
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if (exists $self->{keywords}->{uc $l})
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{
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# Keyword
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return (uc $l, $l);
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}
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# Identifier
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return ('name', $l);
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}
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elsif ($self->{code} =~ /^(
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(\")(?:[^\"\\\\]+|\\\\.)*\" |
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\'(?:[^\'\\\\]+|\\\\.)*\' |
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0\d+ | \d+(\.\d+)? | 0x\d+)/xis)
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{
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# String or numeric non-negative literal
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my $t = $1;
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$self->eat(length $t);
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if ($2)
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{
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$t =~ s/\$/\\\$/gso;
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}
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return ('literal', [ $t, $t =~ /^[\"\']/ ? 1 : 'i' ]);
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}
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else
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{
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# Special characters
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foreach my $l (@{$self->{lens}})
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{
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my $a = $self->{nchar}->{$l};
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my $t = substr($self->{code}, 0, $l);
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if (exists $a->{$t})
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{
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$self->eat($l);
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if ($self->{in_code})
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{
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$self->{in_code}++ if $t eq $self->{options}->{begin_code};
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$self->{in_code}-- if $t eq $self->{options}->{end_code};
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if (!$self->{in_code})
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{
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if ($self->{options}->{eat_code_line} &&
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$self->{code} =~ /^([ \t\r]+\n\r?)/so)
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{
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$self->eat(length $1);
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}
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return ('-->', $t);
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}
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}
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elsif ($self->{in_subst})
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{
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$self->{in_subst}++ if $t eq $self->{options}->{begin_subst};
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$self->{in_subst}-- if $t eq $self->{options}->{end_subst};
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if (!$self->{in_subst})
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{
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return ('}}', $t);
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}
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}
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return ($t, undef);
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}
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}
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# Unknown character
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$self->warn("Unexpected character '".substr($self->{code}, 0, 1)."'");
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return ('error', undef);
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}
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||
}
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sub errorinfo
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{
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my $self = shift;
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my $linestart = rindex($self->{eaten}, "\n");
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my $lineend = index($self->{code}, "\n");
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$lineend = length($self->{code}) if $lineend < 0;
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my $line = substr($self->{eaten}, $linestart+1) . '^^^' . substr($self->{code}, 0, $lineend);
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my $charpos;
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{
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use bytes;
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$charpos = length $self->{eaten};
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}
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return ' in '.$self->{options}->{input_filename}.', line '.($self->{lineno}+1).
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', character '.$charpos.', marked by ^^^ in '.$line;
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}
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||
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sub warn
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||
{
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||
my $self = shift;
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my ($text) = @_;
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$self->{options}->error($text.$self->errorinfo());
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}
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||
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||
package VMXTemplate::Utils;
|
||
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||
use base qw(Exporter);
|
||
our @EXPORT = qw(
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TS_UNIX TS_DB TS_DB_DATE TS_MW TS_EXIF TS_ORACLE TS_ISO_8601 TS_RFC822
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timestamp plural_ru strlimit strip_tags addcslashes requote
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);
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||
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use constant {
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TS_UNIX => 0,
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TS_DB => 1,
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TS_DB_DATE => 2,
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TS_MW => 3,
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||
TS_EXIF => 4,
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TS_ORACLE => 5,
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TS_ISO_8601 => 6,
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||
TS_RFC822 => 7,
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};
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||
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my @Mon = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
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my %mon = qw(jan 0 feb 1 mar 2 apr 3 may 4 jun 5 jul 6 aug 7 sep 8 oct 9 nov 10 dec 11);
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my @Wday = qw(Sun Mon Tue Wed Thu Fri Sat);
|
||
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our $safe_tags = 'div|blockquote|span|a|b|i|u|p|h1|h2|h3|h4|h5|h6|strike|strong|small|big|blink|center|ol|pre|sub|sup|font|br|table|tr|td|th|tbody|tfoot|thead|tt|ul|li|em|img|marquee|cite';
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||
|
||
# ограниченная распознавалка дат
|
||
sub timestamp
|
||
{
|
||
my ($ts, $format) = @_;
|
||
|
||
require POSIX;
|
||
if (int($ts) eq $ts)
|
||
{
|
||
# TS_UNIX or Epoch
|
||
$ts = time if !$ts;
|
||
}
|
||
|
||
elsif ($ts =~ /^\D*(\d{4,}?)\D*(\d{2})\D*(\d{2})\D*(?:(\d{2})\D*(\d{2})\D*(\d{2})\D*([\+\- ]\d{2}\D*)?)?$/so)
|
||
{
|
||
# TS_DB, TS_DB_DATE, TS_MW, TS_EXIF, TS_ISO_8601
|
||
$ts = POSIX::mktime($6||0, $5||0, $4||0, $3, $2-1, $1-1900);
|
||
}
|
||
elsif ($ts =~ /^\s*(\d\d?)-(...)-(\d\d(?:\d\d)?)\s*(\d\d)\.(\d\d)\.(\d\d)/so)
|
||
{
|
||
# TS_ORACLE
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||
$ts = POSIX::mktime($6, $5, $4, int($1), $mon{lc $2}, $3 < 100 ? $3 : $3-1900);
|
||
}
|
||
elsif ($ts =~ /^\s*..., (\d\d?) (...) (\d{4,}) (\d\d):(\d\d):(\d\d)\s*([\+\- ]\d\d)\s*$/so)
|
||
{
|
||
# TS_RFC822
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$ts = POSIX::mktime($6, $5, $4, int($1), $mon{lc $2}, $3-1900);
|
||
}
|
||
else
|
||
{
|
||
# Bogus value, return undef
|
||
return undef;
|
||
}
|
||
|
||
if (!$format)
|
||
{
|
||
# TS_UNIX
|
||
return $ts;
|
||
}
|
||
elsif ($format == TS_MW)
|
||
{
|
||
return POSIX::strftime("%Y%m%d%H%M%S", localtime($ts));
|
||
}
|
||
elsif ($format == TS_DB)
|
||
{
|
||
return POSIX::strftime("%Y-%m-%d %H:%M:%S", localtime($ts));
|
||
}
|
||
elsif ($format == TS_DB_DATE)
|
||
{
|
||
return POSIX::strftime("%Y-%m-%d", localtime($ts));
|
||
}
|
||
elsif ($format == TS_ISO_8601)
|
||
{
|
||
return POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", localtime($ts));
|
||
}
|
||
elsif ($format == TS_EXIF)
|
||
{
|
||
return POSIX::strftime("%Y:%m:%d %H:%M:%S", localtime($ts));
|
||
}
|
||
elsif ($format == TS_RFC822)
|
||
{
|
||
my @l = localtime($ts);
|
||
return POSIX::strftime($Wday[$l[6]].", %d ".$Mon[$l[4]]." %Y %H:%M:%S %z", @l);
|
||
}
|
||
elsif ($format == TS_ORACLE)
|
||
{
|
||
my @l = localtime($ts);
|
||
return POSIX::strftime("%d-".$Mon[$l[4]]."-%Y %H.%M.%S %p", @l);
|
||
}
|
||
return $ts;
|
||
}
|
||
|
||
# Select one of 3 plural forms for russian language
|
||
sub plural_ru
|
||
{
|
||
my ($count, $one, $few, $many) = @_;
|
||
my $sto = $count % 100;
|
||
if ($sto >= 10 && $sto <= 20)
|
||
{
|
||
return $many;
|
||
}
|
||
my $r = $count % 10;
|
||
if ($r == 1)
|
||
{
|
||
return $one;
|
||
}
|
||
elsif ($r >= 2 && $r <= 4)
|
||
{
|
||
return $few;
|
||
}
|
||
return $many;
|
||
}
|
||
|
||
# Limit string to $maxlen
|
||
sub strlimit
|
||
{
|
||
my ($str, $maxlen, $dots) = @_;
|
||
if (!$maxlen || $maxlen < 1 || length($str) <= $maxlen)
|
||
{
|
||
return $str;
|
||
}
|
||
$str = substr($str, 0, $maxlen);
|
||
my $p = rindex($str, ' ');
|
||
if ($p < 0 || (my $pt = rindex($str, "\t")) > $p)
|
||
{
|
||
$p = $pt;
|
||
}
|
||
if ($p > 0)
|
||
{
|
||
$str = substr($str, 0, $p);
|
||
}
|
||
return $str . (defined $dots ? $dots : '...');
|
||
}
|
||
|
||
# Escape HTML special chars
|
||
sub htmlspecialchars
|
||
{
|
||
local $_ = $_[0];
|
||
s/&/&/gso;
|
||
s/</</gso;
|
||
s/>/>/gso;
|
||
s/\"/"/gso;
|
||
s/\'/'/gso;
|
||
return $_;
|
||
}
|
||
|
||
# Replace (some) tags with whitespace
|
||
sub strip_tags
|
||
{
|
||
my ($str, $allowed) = @_;
|
||
my $allowed = $allowed ? '(?!/?('.$allowed.'))' : '';
|
||
$str =~ s/(<$allowed\/?[a-z][a-z0-9-]*(\s+[^<>]*)?>\s*)+/ /gis;
|
||
return $str;
|
||
}
|
||
|
||
# Strip unsafe tags
|
||
sub strip_unsafe_tags
|
||
{
|
||
return strip_tags($_[0], $safe_tags);
|
||
}
|
||
|
||
# Add '\' before specified chars
|
||
sub addcslashes
|
||
{
|
||
my ($str, $escape) = @_;
|
||
$str =~ s/([$escape])/\\$1/gs;
|
||
return $str;
|
||
}
|
||
|
||
# Quote regexp-special characters in $_[0]
|
||
sub requote
|
||
{
|
||
"\Q$_[0]\E";
|
||
}
|
||
|
||
# Escape quotes in C style, also \n and \r
|
||
sub quotequote
|
||
{
|
||
my ($a) = @_;
|
||
$a =~ s/[\\\'\"]/\\$&/gso;
|
||
$a =~ s/\n/\\n/gso;
|
||
$a =~ s/\r/\\r/gso;
|
||
return $a;
|
||
}
|
||
|
||
# Escape quotes in SQL or CSV style (" --> "")
|
||
sub sql_quote
|
||
{
|
||
my ($a) = @_;
|
||
$a =~ s/\"/\"\"/gso;
|
||
return $a;
|
||
}
|
||
|
||
# Replace regular expression, returning result
|
||
sub regex_replace
|
||
{
|
||
my ($re, $repl, $s) = @_;
|
||
$re = qr/$re/s if !ref $re;
|
||
# Escape \ @ $ % /, but allow $n replacements ($1 $2 $3 ...)
|
||
$repl =~ s!([\\\@\%/]|\$(?\!\d))!\\$1!gso;
|
||
eval("\$s =~ s/\$re/$repl/gs");
|
||
return $s;
|
||
}
|
||
|
||
# Replace strings
|
||
sub str_replace
|
||
{
|
||
my ($str, $repl, $s) = @_;
|
||
$s =~ s/\Q$str\E/$repl/gs;
|
||
return $s;
|
||
}
|
||
|
||
# extract elements from array
|
||
# array_slice([], 0, 10)
|
||
# array_slice([], 2)
|
||
# array_slice([], 0, -1)
|
||
sub array_slice
|
||
{
|
||
my ($array, $from, $to) = @_;
|
||
return $array unless $from;
|
||
$to ||= 0;
|
||
$from += @$array if $from < 0;
|
||
$to += @$array if $to <= 0;
|
||
return [ @$array[$from..$to] ];
|
||
}
|
||
|
||
# extract each $div'th element from array, starting with $mod
|
||
# array_div([], 2)
|
||
# array_div([], 2, 1)
|
||
sub array_div
|
||
{
|
||
my ($array, $div, $mod) = @_;
|
||
return $array unless $div;
|
||
$mod ||= 0;
|
||
return [ @$array[grep { $_ % $div == $mod } 0..$#$array] ];
|
||
}
|
||
|
||
# JSON encoding
|
||
sub encode_json
|
||
{
|
||
require JSON;
|
||
*encode_json = *JSON::encode_json;
|
||
goto &JSON::encode_json;
|
||
}
|
||
|
||
package VMXTemplate::Compiler;
|
||
|
||
# function subst()
|
||
sub exec_subst
|
||
{
|
||
my $str = shift;
|
||
$str =~ s/(?<!\\)((?:\\\\)*)\$(?:([1-9]\d*)|\{([1-9]\d*)\})/$_[($2||$3)-1]/gisoe;
|
||
return $str;
|
||
}
|
||
|
||
# array of sorted key-value pairs for hash: [ { key => ..., value => ... }, ... ]
|
||
sub exec_pairs
|
||
{
|
||
my $hash = shift;
|
||
return [ map { { key => $_, value => $hash->{$_} } } sort keys %{ $hash || {} } ];
|
||
}
|
||
|
||
# check if the argument is an arrayref
|
||
sub exec_is_array
|
||
{
|
||
return ref $_[1] && $_[1] =~ /ARRAY/;
|
||
}
|
||
|
||
# get array or hash element
|
||
sub exec_get
|
||
{
|
||
defined $_[1] && ref $_[0] || return $_[0];
|
||
$_[0] =~ /ARRAY/ && return $_[0]->[$_[1]];
|
||
return $_[0]->{$_[1]};
|
||
}
|
||
|
||
# type-dependent comparison
|
||
sub exec_cmp
|
||
{
|
||
my ($a, $b) = @_;
|
||
my $n = grep /^-?\d+(\.\d+)?$/, $a, $b;
|
||
return $n ? $a <=> $b : $a cmp $b;
|
||
}
|
||
|
||
# Function aliases
|
||
my $functions = {
|
||
'i' => 'int',
|
||
'intval' => 'int',
|
||
'lower' => 'lc',
|
||
'lowercase' => 'lc',
|
||
'upper' => 'uc',
|
||
'uppercase' => 'uc',
|
||
'addslashes' => 'quote',
|
||
'q' => 'quote',
|
||
're_quote' => 'requote',
|
||
'preg_quote' => 'requote',
|
||
'uri_escape' => 'urlencode',
|
||
'uriquote' => 'urlencode',
|
||
'substring' => 'substr',
|
||
'htmlspecialchars' => 'html',
|
||
's' => 'html',
|
||
'strip_tags' => 'strip',
|
||
't' => 'strip',
|
||
'h' => 'strip_unsafe',
|
||
'sq' => 'sql_quote',
|
||
'implode' => 'join',
|
||
'truncate' => 'strlimit',
|
||
'hash_keys' => 'keys',
|
||
'array_keys' => 'keys',
|
||
'array_slice' => 'subarray',
|
||
'hget' => 'get',
|
||
'aget' => 'get',
|
||
'var_dump' => 'dump',
|
||
'process' => 'parse',
|
||
'include' => 'parse',
|
||
'process_inline' => 'parse_inline',
|
||
'include_inline' => 'parse_inline',
|
||
'subarray' => 'array_slice',
|
||
'subarray_divmod' => 'array_div',
|
||
};
|
||
|
||
# Functions that do escape HTML, for safe mode
|
||
use constant Q_ALWAYS => -1;
|
||
use constant Q_IF_ALL => -2;
|
||
use constant Q_ALL_BUT_FIRST => -3;
|
||
use constant Q_ALWAYS_NUM => -4;
|
||
|
||
my $functionSafeness = {
|
||
'int' => Q_ALWAYS_NUM,
|
||
'raw' => Q_ALWAYS,
|
||
'html' => Q_ALWAYS,
|
||
'strip' => Q_ALWAYS,
|
||
'strip_unsafe' => Q_ALWAYS,
|
||
'parse' => Q_ALWAYS,
|
||
'parse_inline' => Q_ALWAYS,
|
||
'exec' => Q_ALWAYS,
|
||
'exec_from' => Q_ALWAYS,
|
||
'exec_from_inline' => Q_ALWAYS,
|
||
'quote' => Q_ALWAYS,
|
||
'sql_quote' => Q_ALWAYS,
|
||
'requote' => Q_ALWAYS,
|
||
'urlencode' => Q_ALWAYS,
|
||
'and' => Q_ALWAYS,
|
||
'or' => Q_IF_ALL,
|
||
'not' => Q_ALWAYS_NUM,
|
||
'add' => Q_ALWAYS_NUM,
|
||
'sub' => Q_ALWAYS_NUM,
|
||
'mul' => Q_ALWAYS_NUM,
|
||
'div' => Q_ALWAYS_NUM,
|
||
'mod' => Q_ALWAYS_NUM,
|
||
'log' => Q_ALWAYS_NUM,
|
||
'even' => Q_ALWAYS_NUM,
|
||
'odd' => Q_ALWAYS_NUM,
|
||
'eq' => Q_ALWAYS_NUM,
|
||
'ne' => Q_ALWAYS_NUM,
|
||
'gt' => Q_ALWAYS_NUM,
|
||
'lt' => Q_ALWAYS_NUM,
|
||
'ge' => Q_ALWAYS_NUM,
|
||
'le' => Q_ALWAYS_NUM,
|
||
'seq' => Q_ALWAYS_NUM,
|
||
'sne' => Q_ALWAYS_NUM,
|
||
'sgt' => Q_ALWAYS_NUM,
|
||
'slt' => Q_ALWAYS_NUM,
|
||
'sge' => Q_ALWAYS_NUM,
|
||
'sle' => Q_ALWAYS_NUM,
|
||
'neq' => Q_ALWAYS_NUM,
|
||
'nne' => Q_ALWAYS_NUM,
|
||
'ngt' => Q_ALWAYS_NUM,
|
||
'nlt' => Q_ALWAYS_NUM,
|
||
'nge' => Q_ALWAYS_NUM,
|
||
'nle' => Q_ALWAYS_NUM,
|
||
'strlen' => Q_ALWAYS_NUM,
|
||
'strftime' => Q_ALWAYS,
|
||
'str_replace' => Q_ALL_BUT_FIRST,
|
||
'substr' => 1, # parameter number to take safeness from
|
||
'trim' => 1,
|
||
'split' => 1,
|
||
'nl2br' => 1,
|
||
'concat' => Q_IF_ALL,
|
||
'join' => Q_IF_ALL,
|
||
'subst' => Q_IF_ALL,
|
||
'strlimit' => 1,
|
||
'plural_ru' => Q_ALL_BUT_FIRST,
|
||
'hash' => Q_IF_ALL,
|
||
'keys' => 1,
|
||
'values' => 1,
|
||
'sort' => 1,
|
||
'pairs' => 1,
|
||
'array' => Q_IF_ALL,
|
||
'range' => Q_ALWAYS,
|
||
'is_array' => Q_ALWAYS_NUM,
|
||
'count' => Q_ALWAYS_NUM,
|
||
'array_slice' => 1,
|
||
'array_div' => 1,
|
||
'set' => 2,
|
||
'array_merge' => Q_IF_ALL,
|
||
'shift' => 1,
|
||
'pop' => 1,
|
||
'unshift' => Q_ALWAYS,
|
||
'push' => Q_ALWAYS,
|
||
'void' => Q_ALWAYS,
|
||
'json' => Q_ALWAYS,
|
||
'map' => Q_ALL_BUT_FIRST,
|
||
'yesno' => Q_ALL_BUT_FIRST,
|
||
};
|
||
|
||
sub fmop
|
||
{
|
||
my $op = shift;
|
||
return "((" . join(") $op (", @_) . "))";
|
||
}
|
||
|
||
# логические операции
|
||
sub function_or { fmop('||', @_) }
|
||
sub function_and { fmop('&&', @_) }
|
||
sub function_not { "!($_[1])" }
|
||
# арифметические операции
|
||
sub function_add { fmop('+', @_) }
|
||
sub function_sub { fmop('-', @_) }
|
||
sub function_mul { fmop('*', @_) }
|
||
sub function_div { fmop('/', @_) }
|
||
sub function_mod { fmop('%', @_) }
|
||
# логарифм
|
||
sub function_log { "log($_[1])" }
|
||
# чётный, нечётный
|
||
sub function_even { "!(($_[1]) & 1)" }
|
||
sub function_odd { "(($_[1]) & 1)" }
|
||
# приведение к целому числу
|
||
sub function_int { "int($_[1])" }
|
||
# сравнения: = != > < >= <= (типозависимые)
|
||
sub function_eq { "(exec_cmp($_[1], $_[2]) == 0)" }
|
||
sub function_ne { "(exec_cmp($_[1], $_[2]) != 0)" }
|
||
sub function_gt { "(exec_cmp($_[1], $_[2]) > 0)" }
|
||
sub function_lt { "(exec_cmp($_[1], $_[2]) < 0)" }
|
||
sub function_ge { "(exec_cmp($_[1], $_[2]) >= 0)" }
|
||
sub function_le { "(exec_cmp($_[1], $_[2]) <= 0)" }
|
||
# сравнения: = != > < >= <= (строковые)
|
||
sub function_seq { "(($_[1]) eq ($_[2]))" }
|
||
sub function_sne { "(($_[1]) ne ($_[2]))" }
|
||
sub function_sgt { "(($_[1]) gt ($_[2]))" }
|
||
sub function_slt { "(($_[1]) lt ($_[2]))" }
|
||
sub function_sge { "(($_[1]) ge ($_[2]))" }
|
||
sub function_sle { "(($_[1]) le ($_[2]))" }
|
||
# сравнения: = != > < >= <= (численные)
|
||
sub function_neq { "(($_[1]) == ($_[2]))" }
|
||
sub function_nne { "(($_[1]) != ($_[2]))" }
|
||
sub function_ngt { "(($_[1]) > ($_[2]))" }
|
||
sub function_nlt { "(($_[1]) < ($_[2]))" }
|
||
sub function_nge { "(($_[1]) >= ($_[2]))" }
|
||
sub function_nle { "(($_[1]) <= ($_[2]))" }
|
||
# тернарный оператор $1 ? $2 : $3
|
||
sub function_yesno { "(($_[1]) ? ($_[2]) : ($_[3]))" }
|
||
|
||
## Строки
|
||
|
||
# нижний и верхний регистр
|
||
sub function_lc { "lc($_[1])" }
|
||
sub function_uc { "uc($_[1])" }
|
||
# нижний и верхний регистр первого символа
|
||
sub function_lcfirst { "lcfirst($_[1])" }
|
||
sub function_ucfirst { "ucfirst($_[1])" }
|
||
# экранировать двойные и одинарные кавычки в стиле C (добавить \)
|
||
sub function_quote { "quotequote($_[1])" }
|
||
# экранировать двойные кавычки в стиле SQL/CSV (удвоением)
|
||
sub function_sql_quote { "sql_quote($_[1])" }
|
||
# экранирование символов, специальных для регулярного выражения
|
||
sub function_requote { "requote($_[1])" }
|
||
# кодировать символы в стиле URL
|
||
sub function_urlencode { shift; "URI::Escape::uri_escape(".join(",",@_).")" }
|
||
# декодировать символы в стиле URL
|
||
sub function_urldecode { shift; "URI::Escape::uri_unescape(".join(",",@_).")" }
|
||
# замена регэкспов
|
||
sub function_replace { "regex_replace($_[1], $_[2], $_[3])" }
|
||
# замена подстрок (а не регэкспов)
|
||
sub function_str_replace { "str_replace($_[1], $_[2], $_[3])" }
|
||
# длина строки в символах
|
||
sub function_strlen { "strlen($_[1])" }
|
||
# подстрока
|
||
sub function_substr { shift; "substr(".join(",", @_).")" }
|
||
# обрезать пробелы из начала и конца строки
|
||
sub function_trim { shift; "trim($_[0])" }
|
||
# разделить строку $2 по регулярному выражению $1 опционально с лимитом $3
|
||
sub function_split { shift; "split(".join(",", @_).")" }
|
||
# заменить символы & < > " ' на HTML-сущности
|
||
sub function_html { "htmlspecialchars($_[1])" }
|
||
# удалить все HTML-теги
|
||
sub function_strip { "strip_tags($_[1])" }
|
||
# оставить только "безопасные" HTML-теги
|
||
sub function_strip_unsafe { "strip_unsafe_tags($_[1])" }
|
||
# заменить \n на <br />
|
||
sub function_nl2br { "regex_replace(qr/\\n/s, '<br />', $_[1])" }
|
||
# конкатенация строк
|
||
sub function_concat { fmop('.', @_) }
|
||
# объединяет не просто скаляры, а также все элементы массивов
|
||
sub function_join { fearr('join', 1, @_) }
|
||
# подставляет на места $1, $2 и т.п. в строке аргументы
|
||
sub function_subst { fearr('exec_subst', 1, @_) }
|
||
# sprintf
|
||
sub function_sprintf { fearr('sprintf', 1, @_) }
|
||
# strftime
|
||
sub function_strftime
|
||
{
|
||
my $self = shift;
|
||
my ($fmt, $date, $time) = @_;
|
||
$date = "($date).' '.($time)" if $time;
|
||
$date = "POSIX::strftime($date, localtime(timestamp($date)))";
|
||
$date = "utf8on($date)" if $self->{use_utf8};
|
||
return $date;
|
||
}
|
||
# ограничение длины строки $maxlen символами на границе пробелов и добавление '...', если что.
|
||
sub function_strlimit { shift; "strlimit(".join(",", @_).")" }
|
||
# выбор правильной формы множественного числа для русского языка
|
||
sub function_plural_ru { shift; "plural_ru(".join(",", @_).")" }
|
||
|
||
## Массивы и хеши
|
||
|
||
# создание хеша
|
||
sub function_hash { shift; @_ == 1 ? "{ \@{ $_[0] } }" : "{" . join(",", @_) . "}"; }
|
||
# hash keys, values
|
||
sub function_keys { '[ keys(%{'.$_[1].'}) ]'; }
|
||
sub function_values { '[ values(%{'.$_[1].'}) ]'; }
|
||
# сортировка массива
|
||
sub function_sort { '[ '.fearr('sort', 0, @_).' ]'; }
|
||
# пары { id => ключ, name => значение } для хеша
|
||
sub function_pairs { "exec_pairs($_[1])" }
|
||
# создание массива
|
||
sub function_array { shift; "[" . join(",", @_) . "]"; }
|
||
# диапазон значений
|
||
sub function_range { "[ $_[1] .. $_[2] ]" }
|
||
# проверка, аргумент - массив или не массив?
|
||
sub function_is_array { "exec_is_array($_[1])" }
|
||
# количество элементов _массива_ (не хеша)
|
||
sub function_count { "(ref($_[1]) && $_[1] =~ /ARRAY/so ? scalar(\@{ $_[1] }) : 0)" }
|
||
# подмассив по номерам элементов
|
||
sub function_array_slice { shift; "array_slice(" . join(",", @_) . ")"; }
|
||
# подмассив по кратности номеров элементов
|
||
sub function_array_div { shift; "array_div(" . join(",", @_) . ")"; }
|
||
# получить элемент хеша/массива по неконстантному ключу (например get(iteration.array, rand(5)))
|
||
# по-моему, это лучше, чем Template Toolkit'овский ад - hash.key.${another.hash.key}.зюка.хрюка и т.п.
|
||
sub function_get { shift; "exec_get(" . join(",", @_) . ")"; }
|
||
# для хеша
|
||
sub function_hget { "($_[1])->\{$_[2]}" }
|
||
# для массива
|
||
sub function_aget { "($_[1])->\[$_[2]]" }
|
||
# присваивание (только lvalue)
|
||
sub function_set { "scalar(($_[1] = $_[2]), '')" }
|
||
# слияние массивов в один большой массив
|
||
sub function_array_merge { shift; '[@{'.join('},@{',@_).'}]' }
|
||
# вынуть первый элемент массива
|
||
sub function_shift { "shift(\@{$_[1]})"; }
|
||
# вынуть последний элемент массива
|
||
sub function_pop { "pop(\@{$_[1]})"; }
|
||
# вставить как первый элемент массива
|
||
sub function_unshift { shift; "unshift(\@{".shift(@_)."}, ".join(",", @_).")"; }
|
||
# вставить как последний элемент массива
|
||
sub function_push { shift; "push(\@{".shift(@_)."}, ".join(",", @_).")"; }
|
||
|
||
## Прочее
|
||
|
||
# вычисление выражения и игнорирование результата, как в JS
|
||
sub function_void { "scalar(($_[1]), '')" }
|
||
# дамп переменной
|
||
sub function_dump { shift; "exec_dump(" . join(",", @_) . ")" }
|
||
# JSON-кодирование
|
||
sub function_json { "encode_json($_[1])" }
|
||
# return the value as is, to ignore automatic escaping of "unsafe" HTML
|
||
sub function_raw { $_[1] }
|
||
# apply the function to each array element
|
||
sub function_map
|
||
{
|
||
my $self = shift;
|
||
my $fn = shift;
|
||
if ($fn =~ /^[\"\'](\w+)[\"\']$/so)
|
||
{
|
||
return '(map { '.$self->compile_function($1, '$_').' } (@{'.join('}, @{', @_).'}))';
|
||
}
|
||
else
|
||
{
|
||
$self->{lexer}->warn("Non-constant function: unimplemented");
|
||
}
|
||
}
|
||
|
||
sub compile_function
|
||
{
|
||
my $self = shift;
|
||
my ($fn, $args) = @_;
|
||
$fn = lc $fn;
|
||
if ($functions->{$fn})
|
||
{
|
||
# Function alias
|
||
$fn = $functions->{$fn};
|
||
}
|
||
# Calculate HTML safeness flag
|
||
my $q = $functionSafeness->{$fn};
|
||
if ($q > 0)
|
||
{
|
||
$q = exists $args->[$q-1] ? $args->[$q-1]->[1] : 1;
|
||
}
|
||
elsif ($q == Q_ALWAYS)
|
||
{
|
||
$q = 1;
|
||
}
|
||
elsif ($q == Q_ALWAYS_NUM)
|
||
{
|
||
$q = 'i';
|
||
}
|
||
else
|
||
{
|
||
$q = 1;
|
||
my $n = scalar @$args;
|
||
for (my $i = ($q == Q_ALL_BUT_FIRST ? 1 : 0); $i < $n; $i++)
|
||
{
|
||
$q = $q && $args->[$i]->[1];
|
||
}
|
||
}
|
||
my $argv = [ map { $_->[0] } @$args ];
|
||
my $r;
|
||
if ($self->can(my $ffn = "function_$fn"))
|
||
{
|
||
# Builtin function call using name
|
||
$r = $self->$ffn(@$argv);
|
||
}
|
||
elsif (my $ffn = $self->{options}->{compiletime_functions}->{$fn})
|
||
{
|
||
# Custom compile-time function call
|
||
$r = &$ffn($self, @$argv);
|
||
}
|
||
else
|
||
{
|
||
$self->{lexer}->warn("Unknown function: '$fn'");
|
||
$r = "''";
|
||
}
|
||
return [ $r, $q ];
|
||
}
|
||
|
||
1;
|