/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 * 
 *************************************************************/



// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_desktop.hxx"

#include "dp_misc.h"
#include "dp_platform.hxx"
#include "rtl/ustring.hxx"
#include "rtl/ustrbuf.hxx"
#include "rtl/instance.hxx"
#include "rtl/bootstrap.hxx"

#define PLATFORM_ALL                "all"
#define PLATFORM_WIN_X86            "windows_x86"
#define PLATFORM_LINUX_X86          "linux_x86"
#define PLATFORM_LINUX_X86_64       "linux_x86_64"
#define PLATFORM_KFREEBSD_X86       "kfreebsd_x86"
#define PLATFORM_KFREEBSD_X86_64    "kfreebsd_x86_64"
#define PLATFORM_LINUX_SPARC        "linux_sparc"
#define PLATFORM_LINUX_POWERPC      "linux_powerpc"
#define PLATFORM_LINUX_POWERPC64    "linux_powerpc64"
#define PLATFORM_LINUX_ARM_EABI     "linux_arm_eabi"
#define PLATFORM_LINUX_ARM_OABI     "linux_arm_oabi"
#define PLATFORM_LINUX_MIPS_EL      "linux_mips_el"
#define PLATFORM_LINUX_MIPS_EB      "linux_mips_eb"
#define PLATFORM_LINUX_IA64         "linux_ia64"
#define PLATFORM_LINUX_M68K         "linux_m68k"
#define PLATFORM_LINUX_S390         "linux_s390"
#define PLATFORM_LINUX_S390x        "linux_s390x"
#define PLATFORM_LINUX_HPPA         "linux_hppa"
#define PLATFORM_LINUX_ALPHA        "linux_alpha"



#define PLATFORM_SOLARIS_SPARC      "solaris_sparc"
#define PLATFORM_SOLARIS_SPARC64    "solaris_sparc64"
#define PLATFORM_SOLARIS_X86        "solaris_x86"
#define PLATFORM_FREEBSD_POWERPC    "freebsd_powerpc"
#define PLATFORM_FREEBSD_X86        "freebsd_x86"
#define PLATFORM_FREEBSD_X86_64     "freebsd_x86_64"
#define PLATFORM_MACOSX_X86         "macosx_x86"
#define PLATFORM_MACOSX_X86_64      "macosx_x86_64"
#define PLATFORM_MACOSX_PPC         "macosx_powerpc"
#define PLATFORM_OS2_X86            "os2_x86"









#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
using ::rtl::OUString;
namespace css = ::com::sun::star;

namespace dp_misc
{
namespace 
{
    struct StrOperatingSystem :
        public rtl::StaticWithInit<const OUString, StrOperatingSystem> {
            const OUString operator () () {
                OUString os( RTL_CONSTASCII_USTRINGPARAM("$_OS") );
                ::rtl::Bootstrap::expandMacros( os );
                return os;
            }
    };

    struct StrCPU :
        public rtl::StaticWithInit<const OUString, StrCPU> {
            const OUString operator () () {
                OUString arch( RTL_CONSTASCII_USTRINGPARAM("$_ARCH") );
                ::rtl::Bootstrap::expandMacros( arch );
                return arch;
            }
    };


    struct StrPlatform : public rtl::StaticWithInit<
        const OUString, StrPlatform> {
            const OUString operator () () {
                ::rtl::OUStringBuffer buf;
                buf.append( StrOperatingSystem::get() );
                buf.append( static_cast<sal_Unicode>('_') );
                OUString arch( RTL_CONSTASCII_USTRINGPARAM("$_ARCH") );
                ::rtl::Bootstrap::expandMacros( arch );
                buf.append( arch );
                return buf.makeStringAndClear();
            }
    };

    bool checkOSandCPU(OUString const & os, OUString const & cpu)
    {
        return os.equals(StrOperatingSystem::get()) 
            && cpu.equals(StrCPU::get());
    }

    bool isValidPlatform(OUString const &  token )
    {
        bool ret = false;
        if (token.equals(OUSTR(PLATFORM_ALL)))
            ret = true;
        else if (token.equals(OUSTR(PLATFORM_WIN_X86)))
            ret = checkOSandCPU(OUSTR("Windows"), OUSTR("x86"));
        else if (token.equals(OUSTR(PLATFORM_LINUX_X86)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("x86"));
        else if (token.equals(OUSTR(PLATFORM_LINUX_X86_64)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("X86_64"));  
        else if (token.equals(OUSTR(PLATFORM_KFREEBSD_X86)))
            ret = checkOSandCPU(OUSTR("kFreeBSD"), OUSTR("x86"));
        else if (token.equals(OUSTR(PLATFORM_KFREEBSD_X86_64)))
            ret = checkOSandCPU(OUSTR("kFreeBSD"), OUSTR("X86_64"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_SPARC)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("SPARC"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_POWERPC)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("PowerPC"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_POWERPC64)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("PowerPC_64"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_ARM_EABI)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("ARM_EABI"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_ARM_OABI)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("ARM_OABI"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_MIPS_EL)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("MIPS_EL"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_MIPS_EB)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("MIPS_EB"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_IA64)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("IA64"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_M68K)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("M68K"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_S390)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("S390"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_S390x)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("S390x"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_HPPA)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("HPPA"));  
        else if (token.equals(OUSTR(PLATFORM_LINUX_ALPHA)))
            ret = checkOSandCPU(OUSTR("Linux"), OUSTR("ALPHA"));  
        else if (token.equals(OUSTR(PLATFORM_SOLARIS_SPARC)))
            ret = checkOSandCPU(OUSTR("Solaris"), OUSTR("SPARC"));
        else if (token.equals(OUSTR(PLATFORM_SOLARIS_SPARC64)))
            ret = checkOSandCPU(OUSTR("Solaris"), OUSTR("SPARC64"));
        else if (token.equals(OUSTR(PLATFORM_SOLARIS_X86)))
            ret = checkOSandCPU(OUSTR("Solaris"), OUSTR("x86"));
        else if (token.equals(OUSTR(PLATFORM_FREEBSD_POWERPC)))
            ret = checkOSandCPU(OUSTR("FreeBSD"), OUSTR("PowerPC"));
        else if (token.equals(OUSTR(PLATFORM_FREEBSD_X86)))
            ret = checkOSandCPU(OUSTR("FreeBSD"), OUSTR("x86"));
        else if (token.equals(OUSTR(PLATFORM_FREEBSD_X86_64)))
            ret = checkOSandCPU(OUSTR("FreeBSD"), OUSTR("X86_64"));
        else if (token.equals(OUSTR(PLATFORM_MACOSX_X86)))
            ret = checkOSandCPU(OUSTR("MacOSX"), OUSTR("x86"));
        else if (token.equals(OUSTR(PLATFORM_MACOSX_X86_64)))
            ret = checkOSandCPU(OUSTR("MacOSX"), OUSTR("X86_64"));
        else if (token.equals(OUSTR(PLATFORM_MACOSX_PPC)))
            ret = checkOSandCPU(OUSTR("MacOSX"), OUSTR("PowerPC"));
        else if (token.equals(OUSTR(PLATFORM_OS2_X86)))
            ret = checkOSandCPU(OUSTR("OS2"), OUSTR("x86"));
        else
        {
            OSL_ENSURE(0, "Extension Manager: The extension supports an unknown platform. "
            "Check the platform element in the descripion.xml");
            ret = false;
        }
        return ret;
    }

} // anon namespace
//=============================================================================

OUString const & getPlatformString()
{
    return StrPlatform::get();
}

bool platform_fits( OUString const & platform_string )
{
    sal_Int32 index = 0;
    for (;;)
    {
        const OUString token(
            platform_string.getToken( 0, ',', index ).trim() );
        // check if this platform:
        if (token.equalsIgnoreAsciiCase( StrPlatform::get() ) ||
            (token.indexOf( '_' ) < 0 && /* check OS part only */
             token.equalsIgnoreAsciiCase( StrOperatingSystem::get() )))
        {
            return true;
        }
        if (index < 0)
            break;
    }
    return false;
}

bool hasValidPlatform( css::uno::Sequence<OUString> const & platformStrings)
{
    bool ret = false;
    for (sal_Int32 i  = 0; i < platformStrings.getLength(); i++)
    {
        if (isValidPlatform(platformStrings[i]))
        {
            ret = true;
            break;
        }
    }
    return ret;
}

}