diff options
Diffstat (limited to 'source4/pidl/lib/Parse/Pidl/Samba4/Header.pm')
| -rw-r--r-- | source4/pidl/lib/Parse/Pidl/Samba4/Header.pm | 361 |
1 files changed, 361 insertions, 0 deletions
diff --git a/source4/pidl/lib/Parse/Pidl/Samba4/Header.pm b/source4/pidl/lib/Parse/Pidl/Samba4/Header.pm new file mode 100644 index 0000000000..a1c568cdc7 --- /dev/null +++ b/source4/pidl/lib/Parse/Pidl/Samba4/Header.pm @@ -0,0 +1,361 @@ +################################################### +# create C header files for an IDL structure +# Copyright tridge@samba.org 2000 +# Copyright jelmer@samba.org 2005 +# released under the GNU GPL + +package Parse::Pidl::Samba4::Header; + +use strict; +use Parse::Pidl::Typelist qw(mapType); +use Parse::Pidl::Util qw(has_property is_constant); +use Parse::Pidl::NDR qw(GetNextLevel GetPrevLevel); + +use vars qw($VERSION); +$VERSION = '0.01'; + +my($res); +my($tab_depth); + +sub pidl ($) +{ + $res .= shift; +} + +sub tabs() +{ + my $res = ""; + $res .="\t" foreach (1..$tab_depth); + return $res; +} + +##################################################################### +# parse a properties list +sub HeaderProperties($$) +{ + my($props,$ignores) = @_; + my $ret = ""; + + foreach my $d (keys %{$props}) { + next if (grep(/^$d$/, @$ignores)); + if($props->{$d} ne "1") { + $ret.= "$d($props->{$d}),"; + } else { + $ret.="$d,"; + } + } + + if ($ret) { + pidl "/* [" . substr($ret, 0, -1) . "] */"; + } +} + +##################################################################### +# parse a structure element +sub HeaderElement($) +{ + my($element) = shift; + + pidl tabs(); + HeaderType($element, $element->{TYPE}, ""); + pidl " "; + my $numstar = $element->{POINTERS}; + if ($numstar >= 1) { + $numstar-- if Parse::Pidl::Typelist::scalar_is_reference($element->{TYPE}); + } + foreach (@{$element->{ARRAY_LEN}}) + { + next if is_constant($_) and + not has_property($element, "charset"); + $numstar++; + } + pidl "*" foreach (1..$numstar); + pidl $element->{NAME}; + foreach (@{$element->{ARRAY_LEN}}) { + next unless (is_constant($_) and + not has_property($element, "charset")); + pidl "[$_]"; + } + + pidl ";"; + if (defined $element->{PROPERTIES}) { + HeaderProperties($element->{PROPERTIES}, ["in", "out"]); + } + pidl "\n"; +} + +##################################################################### +# parse a struct +sub HeaderStruct($$) +{ + my($struct,$name) = @_; + pidl "struct $name {\n"; + $tab_depth++; + my $el_count=0; + if (defined $struct->{ELEMENTS}) { + foreach my $e (@{$struct->{ELEMENTS}}) { + HeaderElement($e); + $el_count++; + } + } + if ($el_count == 0) { + # some compilers can't handle empty structures + pidl tabs()."char _empty_;\n"; + } + $tab_depth--; + pidl tabs()."}"; + if (defined $struct->{PROPERTIES}) { + HeaderProperties($struct->{PROPERTIES}, []); + } +} + +##################################################################### +# parse a enum +sub HeaderEnum($$) +{ + my($enum,$name) = @_; + my $first = 1; + + if (not Parse::Pidl::Util::useUintEnums()) { + pidl "enum $name {\n"; + $tab_depth++; + foreach my $e (@{$enum->{ELEMENTS}}) { + unless ($first) { pidl ",\n"; } + $first = 0; + pidl tabs(); + pidl $e; + } + pidl "\n"; + $tab_depth--; + pidl "}"; + } else { + my $count = 0; + pidl "enum $name { __donnot_use_enum_$name=0x7FFFFFFF};\n"; + my $with_val = 0; + my $without_val = 0; + foreach my $e (@{$enum->{ELEMENTS}}) { + my $t = "$e"; + my $name; + my $value; + if ($t =~ /(.*)=(.*)/) { + $name = $1; + $value = $2; + $with_val = 1; + die ("you can't mix enum member with values and without values when using --uint-enums!") + unless ($without_val == 0); + } else { + $name = $t; + $value = $count++; + $without_val = 1; + die ("you can't mix enum member with values and without values when using --uint-enums!") + unless ($with_val == 0); + } + pidl "#define $name ( $value )\n"; + } + pidl "\n"; + } +} + +##################################################################### +# parse a bitmap +sub HeaderBitmap($$) +{ + my($bitmap,$name) = @_; + + pidl "/* bitmap $name */\n"; + pidl "#define $_\n" foreach (@{$bitmap->{ELEMENTS}}); + pidl "\n"; +} + +##################################################################### +# parse a union +sub HeaderUnion($$) +{ + my($union,$name) = @_; + my %done = (); + + pidl "union $name {\n"; + $tab_depth++; + foreach my $e (@{$union->{ELEMENTS}}) { + if ($e->{TYPE} ne "EMPTY") { + if (! defined $done{$e->{NAME}}) { + HeaderElement($e); + } + $done{$e->{NAME}} = 1; + } + } + $tab_depth--; + pidl "}"; + + if (defined $union->{PROPERTIES}) { + HeaderProperties($union->{PROPERTIES}, []); + } +} + +##################################################################### +# parse a type +sub HeaderType($$$) +{ + my($e,$data,$name) = @_; + if (ref($data) eq "HASH") { + ($data->{TYPE} eq "ENUM") && HeaderEnum($data, $name); + ($data->{TYPE} eq "BITMAP") && HeaderBitmap($data, $name); + ($data->{TYPE} eq "STRUCT") && HeaderStruct($data, $name); + ($data->{TYPE} eq "UNION") && HeaderUnion($data, $name); + return; + } + + if (has_property($e, "charset")) { + pidl "const char"; + } else { + pidl mapType($e->{TYPE}); + } +} + +##################################################################### +# parse a typedef +sub HeaderTypedef($) +{ + my($typedef) = shift; + HeaderType($typedef, $typedef->{DATA}, $typedef->{NAME}); + pidl ";\n\n" unless ($typedef->{DATA}->{TYPE} eq "BITMAP"); +} + +##################################################################### +# parse a const +sub HeaderConst($) +{ + my($const) = shift; + if (!defined($const->{ARRAY_LEN}[0])) { + pidl "#define $const->{NAME}\t( $const->{VALUE} )\n"; + } else { + pidl "#define $const->{NAME}\t $const->{VALUE}\n"; + } +} + +##################################################################### +# parse a function +sub HeaderFunctionInOut($$) +{ + my($fn,$prop) = @_; + + foreach my $e (@{$fn->{ELEMENTS}}) { + if (has_property($e, $prop)) { + HeaderElement($e); + } + } +} + +##################################################################### +# determine if we need an "in" or "out" section +sub HeaderFunctionInOut_needed($$) +{ + my($fn,$prop) = @_; + + return 1 if ($prop eq "out" && $fn->{RETURN_TYPE} ne "void"); + + foreach (@{$fn->{ELEMENTS}}) { + return 1 if (has_property($_, $prop)); + } + + return undef; +} + +my %headerstructs = (); + +##################################################################### +# parse a function +sub HeaderFunction($) +{ + my($fn) = shift; + + return if ($headerstructs{$fn->{NAME}}); + + $headerstructs{$fn->{NAME}} = 1; + + pidl "\nstruct $fn->{NAME} {\n"; + $tab_depth++; + my $needed = 0; + + if (HeaderFunctionInOut_needed($fn, "in")) { + pidl tabs()."struct {\n"; + $tab_depth++; + HeaderFunctionInOut($fn, "in"); + $tab_depth--; + pidl tabs()."} in;\n\n"; + $needed++; + } + + if (HeaderFunctionInOut_needed($fn, "out")) { + pidl tabs()."struct {\n"; + $tab_depth++; + HeaderFunctionInOut($fn, "out"); + if ($fn->{RETURN_TYPE} ne "void") { + pidl tabs().mapType($fn->{RETURN_TYPE}) . " result;\n"; + } + $tab_depth--; + pidl tabs()."} out;\n\n"; + $needed++; + } + + if (! $needed) { + # sigh - some compilers don't like empty structures + pidl tabs()."int _dummy_element;\n"; + } + + $tab_depth--; + pidl "};\n\n"; +} + +##################################################################### +# parse the interface definitions +sub HeaderInterface($) +{ + my($interface) = shift; + + my $count = 0; + + pidl "#ifndef _HEADER_$interface->{NAME}\n"; + pidl "#define _HEADER_$interface->{NAME}\n\n"; + + if (defined $interface->{PROPERTIES}->{depends}) { + my @d = split / /, $interface->{PROPERTIES}->{depends}; + foreach my $i (@d) { + pidl "#include \"librpc/gen_ndr/$i\.h\"\n"; + } + } + + foreach my $d (@{$interface->{DATA}}) { + next if ($d->{TYPE} ne "CONST"); + HeaderConst($d); + } + + foreach my $d (@{$interface->{DATA}}) { + next if ($d->{TYPE} ne "TYPEDEF"); + HeaderTypedef($d); + } + + foreach my $d (@{$interface->{DATA}}) { + next if ($d->{TYPE} ne "FUNCTION"); + HeaderFunction($d); + } + + pidl "#endif /* _HEADER_$interface->{NAME} */\n"; +} + +##################################################################### +# parse a parsed IDL into a C header +sub Parse($) +{ + my($idl) = shift; + $tab_depth = 0; + + $res = ""; + pidl "/* header auto-generated by pidl */\n\n"; + foreach my $x (@{$idl}) { + ($x->{TYPE} eq "INTERFACE") && HeaderInterface($x); + } + return $res; +} + +1; |