Modest/utils/ext/MyCSS/CFunction.pm
2016-12-26 16:58:10 +03:00

796 lines
18 KiB
Perl
Executable File

package MyCSS::CFunction;
use utf8;
use strict;
use Encode;
use MyCSS::Token;
my $MyCSS_CFUNCTION_CHAR_NAME = {
'0' => "Null",
'1' => "Start of Heading",
'2' => "Start of Text",
'3' => "End of Text",
'4' => "End of Transmission",
'5' => "Enquiry",
'6' => "Acknowledgment",
'7' => "Bell",
'8' => "Back Space",
'9' => "Horizontal Tab",
'10' => "Line Feed",
'11' => "Vertical Tab",
'12' => "Form Feed",
'13' => "Carriage Return",
'14' => "Shift Out",
'15' => "Shift In",
'16' => "Data Line Escape",
'17' => "Device Control 1",
'18' => "Device Control 2",
'19' => "Device Control 3",
'20' => "Device Control 4",
'21' => "Negative Acknowledgement",
'22' => "Synchronous Idle",
'23' => "End of Transmit Block",
'24' => "Cancel",
'25' => "End of Medium",
'26' => "Substitute",
'27' => "Escape",
'28' => "File Separator",
'29' => "Group Separator",
'30' => "Record Separator",
'31' => "Unit Separator",
'32' => "Space",
'33' => "Exclamation mark",
'34' => "Double quotes",
'35' => "Number",
'36' => "Dollar",
'37' => "Procent",
'38' => "Ampersand",
'39' => "Single quote",
'40' => "Left parenthesis",
'41' => "Right parenthesis",
'42' => "Asterisk",
'43' => "Plus",
'44' => "Comma",
'45' => "Hyphen",
'46' => "Full stop",
'47' => "Slash or divide",
'48' => "Zero",
'49' => "One",
'50' => "Two",
'51' => "Three",
'52' => "Four",
'53' => "Five",
'54' => "Six",
'55' => "Seven",
'56' => "Eight",
'57' => "Nine",
'58' => "Colon",
'59' => "Semicolon",
'60' => "Less than",
'61' => "Equals",
'62' => "Greater than",
'63' => "Question mark",
'64' => "At symbol",
'65' => "A",
'66' => "B",
'67' => "C",
'68' => "D",
'69' => "E",
'70' => "F",
'71' => "G",
'72' => "H",
'73' => "I",
'74' => "J",
'75' => "K",
'76' => "L",
'77' => "M",
'78' => "N",
'79' => "O",
'80' => "P",
'81' => "Q",
'82' => "R",
'83' => "S",
'84' => "T",
'85' => "U",
'86' => "V",
'87' => "W",
'88' => "X",
'89' => "Y",
'90' => "Z",
'91' => "Left bracket",
'92' => "Backslash",
'93' => "Right bracket",
'94' => "CircumFlex",
'95' => "Underscore",
'96' => "Grave accent",
'97' => "a",
'98' => "b",
'99' => "c",
'100' => "d",
'101' => "e",
'102' => "f",
'103' => "g",
'104' => "h",
'105' => "i",
'106' => "j",
'107' => "k",
'108' => "l",
'109' => "m",
'110' => "n",
'111' => "o",
'112' => "p",
'113' => "q",
'114' => "r",
'115' => "s",
'116' => "t",
'117' => "u",
'118' => "v",
'119' => "w",
'120' => "x",
'121' => "y",
'122' => "z",
'123' => "Opening brace",
'124' => "Vertical bar",
'125' => "Closing brace",
'126' => "Tilde",
'127' => "Delete"
};
# temp
sub temp_delim_data_state {
"data";
}
sub temp_token_type_state {
"token->type";
}
sub temp_get_data_state {
("myhtml_incoming_buffer_t *buffer = mycss_token_buffer_first(selectors->entry, token);",
"const char data = buffer->data[ (token->begin - buffer->offset) ];");
}
sub temp_set_state {
"selectors->state = $_[0];";
}
sub temp_function_state {
"bool $_[0](mycss_selectors_t* selectors, mycss_token_t* token)";
}
sub temp_function_return_state {
"return true;";
}
sub temp_check_parser_state {
("if(selectors->parser != $_[0])",
"\tselectors->parser = $_[0];");
}
sub new {
my $class = shift;
my %args = (
grammar => undef,
token => undef,
func_list => {},
func_def => \&MyCSS::CFunction::Creater::default_def,
func_else => \&MyCSS::CFunction::Creater::default_else,
func_last => \&MyCSS::CFunction::Creater::default_last,
func_whitespace => \&MyCSS::CFunction::Creater::default_whitespace,
func_not_whitespace => \&MyCSS::CFunction::Creater::default_not_whitespace,
func_prefix => "",
func_delim_before => \&MyCSS::CFunction::Creater::default_delim_before,
func_delim_after => \&MyCSS::CFunction::Creater::default_delim_after,
func_string_before => \&MyCSS::CFunction::Creater::default_string_before,
func_string_after => \&MyCSS::CFunction::Creater::default_string_after,
data_string => "str.data",
data_delim => "*token->data",
func_proto_args => "mycss_entry_t* entry, mycss_token_t* token",
all_chars_for_name => 0,
reg_name => 0,
@_
);
bless \%args, $class;
}
sub create {
my ($cfunc, $name, $hash, $prefix) = @_;
my $result = {names => [], data => []};
$cfunc->_create($hash, $name, $prefix || "", $result);
$result;
}
sub _create {
my ($cfunc, $hash, $name, $prefix, $result) = @_;
my $by_types = {};
$name = $cfunc->create_func_name($name, "", 0);
foreach my $key (sort {$a cmp $b} keys %$hash)
{
my $type = $cfunc->token_type_by_name($key);
foreach my $val (@{$hash->{$key}->{val}}) {
if (exists $val->entry->{attr}->{value}) {
push @{$by_types->{$type}->{by}}, $val;
}
else {
push @{$by_types->{$type}->{all}}, $val;
}
}
}
my $count = scalar keys %$hash;
my $is_switcher = $count > 2 ? 1 : 0;
my $creater = "MyCSS::CFunction::Creater";
my $next_prefix = $prefix ? "$prefix\_$name" : $name;
my $func_name = $cfunc->create_func_name($name, $prefix, 1);
my @data;
my $pos = 0;
foreach my $type_num (sort {$a cmp $b} keys %$by_types) {
my $type_name = MyCSS::Token->num_to_type($type_num);
push @data, @{$creater->default($cfunc, $func_name, $next_prefix, $type_num,
$by_types->{ $type_num }->{all},
$by_types->{ $type_num }->{by},
$is_switcher,
$pos)};
$pos++;
}
push @data, @{$creater->default_type_else($cfunc, $func_name, $by_types, $is_switcher)};
my @inside;
my $tabs = "";
push @inside, $creater->function_prototype($cfunc, $func_name), "{";
if ($is_switcher) {
push @inside, "\t"."switch (token->type) {";
$tabs = "\t";
}
push @inside, map {"\t$tabs$_"} @data;
if ($is_switcher) {
push @inside, "\t"."}";
}
push @inside, "\t", "\t"."return true;";
push @inside, "}", "";
push @{$result->{data}}, \@inside;
push @{$result->{names}}, $creater->function_prototype($cfunc, $func_name).";";
foreach my $key (sort {$a cmp $b} keys %$hash) {
my $hash_nm = $hash->{$key};
next if $hash_nm->{next}->{ref};
if(keys %{$hash_nm->{next}}) {
$cfunc->_create($hash_nm->{next}, $key, $next_prefix, $result);
}
}
}
sub print_result_names {
my ($cfunc, $result) = @_;
foreach my $proto (@{$result->{names}}) {
print $proto, "\n";
}
}
sub print_result_data {
my ($cfunc, $result) = @_;
foreach my $entries (@{$result->{data}}) {
print join("\n", @$entries), "\n";
}
}
sub token { $_[0]->{token} }
sub grammar { $_[0]->{grammar} }
sub func_list { $_[0]->{func_list} }
sub func_def { $_[0]->{func_def} }
sub func_else { $_[0]->{func_else} }
sub func_last { $_[0]->{func_last} }
sub all_chars_for_name { $_[0]->{all_chars_for_name} }
sub reg_name { $_[0]->{reg_name} }
sub token_type_by_name {
my $type_name = MyCSS::Token->convert_name_to_type_like($_[1]) || MyCSS::Token->get_type_undef();
MyCSS::Token->type_to_num($type_name);
}
sub token_type_name_by_name {
my $type_name = MyCSS::Token->convert_name_to_type_like($_[1]) || MyCSS::Token->get_type_undef();
$type_name;
}
sub create_func_name {
my ($cfunc, $name, $prefix, $full) = @_;
my $func_name = "";
if (defined $name && $name ne "") {
my $c_name = MyCSS::Token->entry_clean_name($name);
my ($only_name, $value) = split / /, $c_name, 2;
if(defined $value) {
if($cfunc->all_chars_for_name) {
my @nname;
foreach my $char (split //, $value) {
if($cfunc->reg_name) {
if($char eq "^") {
push @nname, "begin";
}
elsif($char eq "\$") {
push @nname, "end";
}
else {
push @nname, lc($MyCSS_CFUNCTION_CHAR_NAME->{ ord(lc($char)) });
}
}
else {
push @nname, lc($MyCSS_CFUNCTION_CHAR_NAME->{ ord(lc($char)) });
}
}
$func_name = join "_", @nname;
}
elsif(length($value) == 1 && exists $MyCSS_CFUNCTION_CHAR_NAME->{ ord(lc($value)) }) {
$func_name = lc($MyCSS_CFUNCTION_CHAR_NAME->{ ord(lc($value)) });
}
else {
$func_name = lc($value);
}
}
else {
$func_name = lc($c_name);
$func_name =~ s/\-token$//;
if (length($func_name) == 1 && exists $MyCSS_CFUNCTION_CHAR_NAME->{ ord(lc($func_name)) }) {
$func_name = lc($MyCSS_CFUNCTION_CHAR_NAME->{ ord(lc($func_name)) });
}
}
}
$func_name =~ s/\s+|\||-/_/g;
$func_name =~ s/_+/_/g;
my $end_name = ($prefix ? $prefix."_" : "") .$func_name;
if ($full) {
return $cfunc->{"func_prefix"}. $end_name;
}
$end_name;
}
package MyCSS::CFunction::Creater;
sub default_type_begin {
my ($self, $cfunc, $type, $all, $by, $is_switcher, $pos) = @_;
my @data;
my $type_name = $cfunc->token->num_to_type($type);
if ($is_switcher) {
push @data, $self->cont_case_token_type($type_name);
}
else {
push @data, $self->cont_if_token_type($type_name, $pos);
}
\@data;
}
sub default_type_end {
my ($self, $cfunc, $type, $all, $by, $is_switcher, $pos) = @_;
my @data;
my $type_name = $cfunc->token->num_to_type($type);
if ($is_switcher) {
push @data, $self->cont_case_token_type_end($type_name);
}
else {
push @data, $self->cont_if_token_type_end($type_name);
}
\@data;
}
sub get_func {
my ($self, $val) = @_;
return $val->entry->{attr}->{func} if $val->entry->{attr}->{func};
my $parents = $val->{parents};
my $i = @$parents;
while ($i) {
$i--;
my $entry = $parents->[$i];
return $entry->{attr}->{func} if $entry->{attr}->{func};
}
undef;
}
sub get_func_last {
my ($self, $val) = @_;
return $val->entry->{attr}->{func_last} if $val->entry->{attr}->{func_last};
my $parents = $val->{parents};
my $i = @$parents;
while ($i) {
$i--;
my $entry = $parents->[$i];
return $entry->{attr}->{func_last} if $entry->{attr}->{func_last};
}
undef;
}
sub default_function {
my ($self, $cfunc, $prefix, $type, $val, $all, $by, $is_switcher) = @_;
my @data;
my $attr = $val->entry->{attr};
my $function_name = $cfunc->create_func_name($val->entry->name, "$prefix", 1);
my $func = $self->get_func($val);
if ($func) {
push @data, @{$cfunc->func_list->{$func}->($self, $cfunc, $function_name, $type, $val->entry->{is_last})};
}
if ($val->entry->{is_last})
{
my $func_last = $self->get_func_last($val);
if ($func_last) {
push @data, @{$cfunc->func_list->{ $func_last }->($self, $cfunc, $function_name, $type, $val->entry->{is_next})};
}
else {
push @data, @{$cfunc->func_last->($self, $cfunc, $function_name, $type, $val->entry->{is_next})};
}
}
if ($val->entry->{is_next}) {
if ($val->entry->{is_glob}) {
$function_name = $cfunc->create_func_name($val->entry->{is_ref}, "shared", 1);
}
push @data, @{$cfunc->func_def->($self, $cfunc, $function_name, $type, $val->entry->{is_last})};
}
\@data;
}
sub default_function_for_all {
my ($self, $cfunc, $prefix, $type, $all, $by) = @_;
my @data;
my (@next, @empty, @glob);
my $type_name = $cfunc->token->num_to_type($type);
my $function_name = $cfunc->create_func_name($cfunc->token->type_to_name($type_name), "$prefix", 1);
foreach my $val (@$all) {
if ($val->entry->{is_next}) {
push @next, $val;
}
if($val->entry->{is_last}) {
push @empty, $val;
}
if($val->entry->{is_glob}) {
push @glob, $val;
}
}
my @vals;
foreach (@next, @empty) {
my $func = $self->get_func($_);
push @vals, $func if $func;
}
if (@vals) {
push @data, @{$cfunc->func_list->{ $vals[0] }->($self, $cfunc, $function_name, $type, scalar(@empty))};
}
if (@empty) {
my @vals;
foreach (@empty) {
my $func = $self->get_func_last($_);
push @vals, $func if $func;
}
if (@vals) {
push @data, @{$cfunc->func_list->{ $vals[0] }->($self, $cfunc, $function_name, $type, scalar(@next))};
}
else {
push @data, @{$cfunc->func_last->($self, $cfunc, $function_name, $type, scalar(@next))};
}
push @data, "" if @next;
}
if (@next) {
if (@glob) {
$function_name = $cfunc->create_func_name($glob[0]->entry->{is_ref}, "shared", 1);
}
push @data, @{$cfunc->func_def->($self, $cfunc, $function_name, $type, scalar(@empty))};
}
\@data;
}
sub default_type_values {
my ($self, $cfunc, $prefix, $type, $all, $by, $is_switcher) = @_;
my $type_name = $cfunc->token->num_to_type($type);
my $function_name = $cfunc->create_func_name($cfunc->token->type_to_name($type_name), "$prefix", 1);
my @delim = grep {$_->{type_name} eq "MyCSS_TOKEN_TYPE_DELIM"} @$by;
my @string = grep {$_->{type_name} eq "MyCSS_TOKEN_TYPE_STRING" ||
$_->{type_name} eq "MyCSS_TOKEN_TYPE_AT_KEYWORD" ||
$_->{type_name} eq "MyCSS_TOKEN_TYPE_IDENT" ||
$_->{type_name} eq "MyCSS_TOKEN_TYPE_DIMENSION"
} @$by;
my $max = 0;
foreach my $entry (@string) {
$max = length($entry->entry->{attr}->{value})
if $max < length($entry->entry->{attr}->{value});
}
if ($max == 1) {
@delim = @string;
@string = ();
}
my @data;
my $npos = 0;
foreach my $npos (0..$#$by) {
my $val = $by->[$npos];
my $attr = $val->entry->{attr};
if($val->{type_name} eq "MyCSS_TOKEN_TYPE_DELIM") {
push @data, map {"\t$_"} $self->cont_if_char($attr->{value}, $npos);
}
elsif(length($attr->{value}) == 0) {
die "Length Value is 0\n";
}
elsif(@string == 0) {
push @data, map {"\t$_"} $self->cont_if_char($attr->{value}, $npos);
}
else {
push @data, map {"\t$_"} $self->cont_if_string($attr->{value}, $npos);
}
push @data, map {"\t\t$_"} @{$self->default_function($cfunc, $prefix, $type, $val, $all, $by, $is_switcher)};
if (exists $val->entry->{attr}->{ws} && $val->entry->{is_next}) {
my @after = @{$cfunc->{func_whitespace}->($self, $cfunc, $function_name, $type_name)};
push @data, "\t\t", (map {"\t\t$_"} @after) if @after;
}
elsif($val->entry->{is_next}) {
my @after = @{$cfunc->{func_not_whitespace}->($self, $cfunc, $function_name, $type_name)};
push @data, "\t\t", (map {"\t\t$_"} @after) if @after;
}
push @data, "\t}";
}
\@data;
}
sub default_type_else {
my ($self, $cfunc, $fname, $by_types, $is_switcher) = @_;
my @data;
if ($is_switcher) {
push @data, $self->cont_case_token_type_default();
}
else {
push @data, $self->cont_if_token_type_default();
}
push @data, map {"\t$_"} @{$cfunc->func_else->($self, $cfunc, $fname)};
if ($is_switcher) {
if ($data[-1] !~ /return/) {
push @data, $self->cont_case_token_type_default_end();
}
else {
push @data, "}";
}
}
else {
push @data, $self->cont_if_token_type_default_end();
}
\@data;
}
sub default {
my ($self, $cfunc, $function_name, $prefix, $type, $all, $by, $is_switcher, $pos) = @_;
my @data = @{$self->default_type_begin($cfunc, $type, $all, $by, $is_switcher, $pos)};
my $data_len = @data;
push @data, map {"\t$_"} @{$self->default_function_for_all($cfunc, $prefix, $type, $all, $by)};
if($by && @$by)
{
my @delim = grep {$_->{type_name} eq "MyCSS_TOKEN_TYPE_DELIM"} @$by;
my @string = grep {$_->{type_name} eq "MyCSS_TOKEN_TYPE_STRING" ||
$_->{type_name} eq "MyCSS_TOKEN_TYPE_AT_KEYWORD" ||
$_->{type_name} eq "MyCSS_TOKEN_TYPE_IDENT" ||
$_->{type_name} eq "MyCSS_TOKEN_TYPE_DIMENSION"
} @$by;
my $max = 0;
foreach my $entry (@string) {
$max = length($entry->entry->{attr}->{value})
if $max < length($entry->entry->{attr}->{value});
}
if ($max == 1) {
@delim = @string;
@string = ();
}
if (@delim) {
push @data, map {"\t$_"} @{$cfunc->{func_delim_before}->($self, $cfunc, scalar(@string))};
}
if (@string) {
push @data, map {"\t$_"} @{$cfunc->{func_string_before}->($self, $cfunc, scalar(@delim))};
}
push @data, "\t" if $data_len < @data;
push @data, @{$self->default_type_values($cfunc, $prefix, $type, $all, $by, $is_switcher, $pos)};
my @not_vals = grep {not exists $_->entry->{attr}->{value}} @$by;
if (@not_vals) {
my @val_func = grep {exists $_->entry->{attr}->{func}} @not_vals;
if (@val_func > 1) {
die "To many call functions from one type in current level\n";
}
if (@val_func) {
push @data, map {"\t\t$_"} @{$self->default_function($cfunc, $prefix, $type, $val_func[0], $all, $by, $is_switcher)};
}
else {
push @data, map {"\t\t$_"} @{$self->default_function($cfunc, $prefix, $type, $not_vals[0], $all, $by, $is_switcher)};
}
}
else {
push @data, map {"\t$_"} @{$self->default_type_else($cfunc, $function_name, undef, 0)};
}
if (@delim) {
my @delim_after = @{$cfunc->{func_delim_after}->($self, $cfunc, scalar(@string))};
push @data, map {"\t$_"} @delim_after if @delim_after;
}
if (@string) {
my @string_after = @{$cfunc->{func_string_after}->($self, $cfunc, scalar(@delim))};
push @data, "\t", (map {"\t$_"} @string_after) if @string_after;
}
}
my @ws = grep {exists $_->entry->{attr}->{ws}} @$all;
my @is_next = grep {$_->entry->{is_next}} @$all;
my $type_name = $cfunc->token->num_to_type($type);
if (@ws && @is_next) {
my @after = @{$cfunc->{func_whitespace}->($self, $cfunc, $function_name, $type_name)};
push @data, "\t", (map {"\t$_"} @after) if @after;
}
elsif(@is_next) {
my @after = @{$cfunc->{func_not_whitespace}->($self, $cfunc, $function_name, $type_name)};
push @data, "\t", (map {"\t$_"} @after) if @after;
}
push @data, @{$self->default_type_end($cfunc, $type, $all, $by, $is_switcher, $pos)};
\@data;
}
sub cont_case_token_type_default_end {
"\tbreak;",
"}";
}
sub cont_if_token_type_default_end {
"}";
}
sub cont_case_token_type_default {
"default: {";
}
sub cont_if_token_type_default {
"else {";
}
sub cont_case_token_type_end {
"\tbreak;",
"}";
}
sub cont_if_token_type_end {
"}";
}
sub cont_case_token_type {
"case $_[1]: {";
}
sub cont_if_token_type {
($_[2] ? "else " : "") . "if(token->type == $_[1]) {";
}
sub cont_if_char {
($_[2] ? "else " : "") . "if(*token->data == '$_[1]') {";
}
sub cont_if_string {
($_[2] ? "else " : "") . "if(myhtml_strncasecmp(str.data, \"$_[1]\", ". length($_[1]) .") == 0) {";
}
sub default_else {
[""];
}
sub default_def {
[""];
}
sub default_last {
[""];
}
sub default_string_before {
[];
}
sub default_string_after {
[];
}
sub default_delim_before {
[];
}
sub default_delim_after {
[];
}
sub default_whitespace {
[];
}
sub default_not_whitespace {
[];
}
sub function_prototype {
"bool $_[2](". $_[1]->{func_proto_args} .")";
}
1;