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Diffstat (limited to 'libs/nixio/axTLS/bindings/generate_interface.pl')
| -rwxr-xr-x | libs/nixio/axTLS/bindings/generate_interface.pl | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/libs/nixio/axTLS/bindings/generate_interface.pl b/libs/nixio/axTLS/bindings/generate_interface.pl new file mode 100755 index 000000000..c24bff9f4 --- /dev/null +++ b/libs/nixio/axTLS/bindings/generate_interface.pl @@ -0,0 +1,322 @@ +#!/usr/bin/perl -w + +# +# Copyright (c) 2007, Cameron Rich +# +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# * Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# * Neither the name of the axTLS project nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY +# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +#=============================================================== +# This application transforms ssl.h into interfaces that can be used by +# other language bindings. It is "SWIG"-like in nature in that various +# files are generated based on the axTLS API. +# +# The file produced is axInterface.? (depending on the file extension). +# +#=============================================================== + +use strict; + +my $CSHARP = 0; +my $VBNET = 1; + +my $binding; +my $skip = 0; +my $signature_ret_type; + +# Transforms function signature into an Interface format +sub transformSignature +{ + my $item; + my ($line) = @_; + + foreach $item ($line) + { + # our very basic preprocessor + if ($binding == $CSHARP) + { + $line =~ s/STDCALL //; + $line =~ s/EXP_FUNC/ [DllImport ("axtls")]\n public static extern/; + $line =~ s/uint32_t/uint/g; + $line =~ s/uint8_t \*\*/ref IntPtr /g; + $line =~ s/const uint8_t \* /IntPtr /g; + $line =~ s/const uint8_t \*/byte[] /g; # note: subtle diff + $line =~ s/uint8_t \* ?/byte[] /g; + $line =~ s/uint8_t ?/byte /g; + $line =~ s/const char \* ?/string /g; + $line =~ s/const SSL_CTX \* ?/IntPtr /g; + $line =~ s/SSL_CTX \* ?/IntPtr /g; + $line =~ s/SSLObjLoader \* ?/IntPtr /g; + $line =~ s/const SSL \* ?/IntPtr /g; + $line =~ s/SSL \* ?/IntPtr /g; + $line =~ s/\(void\)/()/g; + } + elsif ($binding == $VBNET) + { + if ($line =~ /EXP_FUNC/) + { + # Procedure or function? + my $invariant = $line =~ /void /; + + my $proc = $invariant ? "Sub" : "Function"; + ($signature_ret_type) = $line =~ /EXP_FUNC (.*) STDCALL/; + $line =~ s/EXP_FUNC .* STDCALL / <DllImport("axtls")> Public Shared $proc _\n /; + + $signature_ret_type =~ s/const uint8_t \*/As IntPtr/; + $signature_ret_type =~ s/const char \*/As String/; + $signature_ret_type =~ s/SSL_CTX \*/As IntPtr/; + $signature_ret_type =~ s/SSLObjLoader \*/As IntPtr/; + $signature_ret_type =~ s/SSL \*/As IntPtr/; + $signature_ret_type =~ s/uint8_t/As Byte/; + $signature_ret_type =~ s/int/As Integer/; + $signature_ret_type =~ s/void//; + $signature_ret_type .= "\n End $proc\n\n"; + } + + $line =~ s/uint32_t (\w+)/ByVal $1 As Integer/g; + $line =~ s/int (\w+)/ByVal $1 As Integer/g; + $line =~ s/uint8_t \*\* ?(\w+)/ByRef $1 As IntPtr/g; + $line =~ s/const uint8_t \* ?(\w+)/ByVal $1() As Byte/g; + $line =~ s/uint8_t \* ?(\w+)/ByVal $1() As Byte/g; + $line =~ s/uint8_t ?(\w+)/ByVal $1 As Byte/g; + $line =~ s/const char \* ?(\w+)/ByVal $1 As String/g; + $line =~ s/const SSL_CTX \* ?(\w+)/ByVal $1 As IntPtr/g; + $line =~ s/SSL_CTX \* ?(\w+)/ByVal $1 As IntPtr/g; + $line =~ s/SSLObjLoader \* ?(\w+)/ByVal $1 As IntPtr/g; + $line =~ s/const SSL \* ?(\w+)/ByVal $1 As IntPtr/g; + $line =~ s/SSL \* ?(\w+)/ByVal $1 As IntPtr/g; + $line =~ s/void \* ?(\w+)/Byval $1 As IntPtr/g; + $line =~ s/\(void\)/()/g; + $line =~ s/void//g; + $line =~ s/;\n/ $signature_ret_type;/; + } + } + + return $line; +} + +# Parse input file +sub parseFile +{ + my (@file) = @_; + my $line; + my $splitDefine = 0; + my $splitFunctionDeclaration; + my $vb_hack = " "; + my $vb_line_hack = 0; + + $skip = 0; + + foreach $line (@file) + { + next if $line =~ /sl_x509_create/; # ignore for now + + # test for a #define + if (!$skip && $line =~ m/^#define/) + { + $splitDefine = 1 if $line =~ m/\\$/; + + if ($binding == $VBNET) + { + $line =~ s/\|/Or/g; + $line =~ s/ 0x/ &H/; + } + + my ($name, $value) = $line =~ /#define (\w+) +([^\\]*)[\\]?\n/; + + if (defined $name && defined $value) + { + # C# constant translation + if ($binding == $CSHARP) + { + $line = " public const int $name = $value"; + } + # VB.NET constant translation + elsif ($binding == $VBNET) + { + $line = " Public Const $name As Integer = $value"; + } + } + + next if $line =~ /#define/; # ignore any other defines + + print DATA_OUT $line; + + # check line is not split + next if $splitDefine == 1; + print DATA_OUT ";" if $binding == $CSHARP; + print DATA_OUT "\n"; + } + + # pick up second line of #define statement + if ($splitDefine) + { + if ($line !~ /\\$/) + { + $line =~ s/$/;/ if $binding == $CSHARP; # add the ";" + } + + $line =~ s/ ?\| ?/ Or /g + if ($binding == $VBNET); + + # check line is not split + $splitDefine = ($line =~ m/\\$/); + + # ignore trailing "\" + $line =~ s/\\$// if $binding == $CSHARP; + $line =~ s/\\$/_/ if $binding == $VBNET; + print DATA_OUT $line; + next; + } + + # test for function declaration + if (!$skip && $line =~ /EXP_FUNC/ && $line !~ /\/\*/) + { + $line = transformSignature($line); + $splitFunctionDeclaration = $line !~ /;/; + $line =~ s/;// if ($binding == $VBNET); + $line =~ s/\n$/ _\n/ if ($binding == $VBNET) && + $splitFunctionDeclaration; + print DATA_OUT $line; + next; + } + + if ($splitFunctionDeclaration) + { + $line = transformSignature($line); + $splitFunctionDeclaration = $line !~ /;/; + $line =~ s/;// if ($binding == $VBNET); + $line =~ s/\n/ _\n/ if ($binding == $VBNET) && + $splitFunctionDeclaration == 1; + print DATA_OUT $line; + next; + } + } +} + +#=============================================================== + +# Determine which module to build from command-line options +use strict; +use Getopt::Std; + +my $binding_prefix; +my $binding_suffix; +my $data_file; +my @raw_data; + +if (not defined $ARGV[0]) +{ + goto ouch; +} + +if ($ARGV[0] eq "-csharp") +{ + print "Generating C# interface file\n"; + $binding_prefix = "csharp"; + $binding_suffix = "cs"; + $binding = $CSHARP; +} +elsif ($ARGV[0] eq "-vbnet") +{ + print "Generating VB.NET interface file\n"; + $binding_prefix = "vbnet"; + $binding_suffix = "vb"; + $binding = $VBNET; +} +else +{ +ouch: + die "Usage: $0 [-csharp | -vbnet]\n"; +} + +my $interfaceFile = "$binding_prefix/axInterface.$binding_suffix"; + +# Input file required to generate interface file. +$data_file = "../ssl/ssl.h"; + +# Open input files +open(DATA_IN, $data_file) || die("Could not open file ($data_file)!"); +@raw_data = <DATA_IN>; + + +# Open output file +if ($binding == $CSHARP || $binding == $VBNET) +{ + open(DATA_OUT, ">$interfaceFile") || die("Cannot Open File"); +} + +# SPEC interface file header +if ($binding == $CSHARP) +{ + # generate the C#/C interface file + print DATA_OUT << "END"; +// The C# to C interface definition file for the axTLS project +// Do not modify - this file is generated + +using System; +using System.Runtime.InteropServices; + +namespace axTLS +{ + public class axtls + { +END +} +elsif ($binding == $VBNET) +{ + # generate the VB.NET/C interface file + print DATA_OUT << "END"; +' The VB.NET to C interface definition file for the axTLS project +' Do not modify - this file is generated + +Imports System +Imports System.Runtime.InteropServices + +Namespace axTLSvb + Public Class axtls +END +} + +parseFile(@raw_data); + +# finish up +if ($binding == $CSHARP) +{ + print DATA_OUT " };\n"; + print DATA_OUT "};\n"; +} +elsif ($binding == $VBNET) +{ + print DATA_OUT " End Class\nEnd Namespace\n"; +} + +close(DATA_IN); +close(DATA_OUT); + +#=============================================================== + |