/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */
 
#include <config_folders.h>
 
#include <sys/stat.h>
#include <limits.h>
#include <osl/file.hxx>
#include <osl/process.h>
#include <osl/thread.h>
#include <rtl/bootstrap.hxx>
#include <rtl/ustring.hxx>
#include <sal/log.hxx>
#include <tools/urlobj.hxx>
#include <unx/helper.hxx>
 
#include <tuple>
 
using ::rtl::Bootstrap;
 
namespace psp {
 
OUString getOfficePath( whichOfficePath ePath )
{
    static const auto aPaths = [] {
        OUString sRoot, sUser, sConfig;
        Bootstrap::get(u"BRAND_BASE_DIR"_ustr, sRoot);
        Bootstrap aBootstrap(sRoot + "/" LIBO_ETC_FOLDER "/" SAL_CONFIGFILE("bootstrap"));
        aBootstrap.getFrom(u"UserInstallation"_ustr, sUser);
        aBootstrap.getFrom(u"CustomDataUrl"_ustr, sConfig);
        OUString aUPath = sUser + "/user/psprint";
        if (sRoot.startsWith("file://"))
        {
            OUString aSysPath;
            if (osl::FileBase::getSystemPathFromFileURL(sRoot, aSysPath) == osl::FileBase::E_None)
                sRoot = aSysPath;
        }
        if (sUser.startsWith("file://"))
        {
            OUString aSysPath;
            if (osl::FileBase::getSystemPathFromFileURL(sUser, aSysPath) == osl::FileBase::E_None)
                sUser = aSysPath;
        }
        if (sConfig.startsWith("file://"))
        {
            OUString aSysPath;
            if (osl::FileBase::getSystemPathFromFileURL(sConfig, aSysPath) == osl::FileBase::E_None)
                sConfig = aSysPath;
        }
 
        // ensure user path exists
        SAL_INFO("vcl.fonts", "Trying to create: " << aUPath);
        osl::Directory::createPath(aUPath);
 
        return std::make_tuple(sRoot, sUser, sConfig);
    }();
    const auto& [aInstallationRootPath, aUserPath, aConfigPath] = aPaths;
 
    switch( ePath )
    {
        case whichOfficePath::ConfigPath: return aConfigPath;
        case whichOfficePath::InstallationRootPath: return aInstallationRootPath;
        case whichOfficePath::UserPath: return aUserPath;
    }
    return OUString();
}
 
static OString getEnvironmentPath( const char* pKey )
{
    OString aPath;
 
    const char* pValue = getenv( pKey );
    if( pValue && *pValue )
    {
        aPath = OString( pValue );
    }
    return aPath;
}
 
} // namespace psp
 
void psp::getPrinterPathList( std::vector< OUString >& rPathList, const char* pSubDir )
{
    rPathList.clear();
    rtl_TextEncoding aEncoding = osl_getThreadTextEncoding();
 
    OUStringBuffer aPathBuffer( 256 );
 
    // append net path
    aPathBuffer.append( getOfficePath( whichOfficePath::InstallationRootPath ) );
    if( !aPathBuffer.isEmpty() )
    {
        aPathBuffer.append( "/" LIBO_SHARE_FOLDER "/psprint" );
        if( pSubDir )
        {
            aPathBuffer.append( '/' );
            aPathBuffer.appendAscii( pSubDir );
        }
        rPathList.push_back( aPathBuffer.makeStringAndClear() );
    }
    // append user path
    aPathBuffer.append( getOfficePath( whichOfficePath::UserPath ) );
    if( !aPathBuffer.isEmpty() )
    {
        aPathBuffer.append( "/user/psprint" );
        if( pSubDir )
        {
            aPathBuffer.append( '/' );
            aPathBuffer.appendAscii( pSubDir );
        }
        rPathList.push_back( aPathBuffer.makeStringAndClear() );
    }
 
    OString aPath( getEnvironmentPath("SAL_PSPRINT") );
    sal_Int32 nIndex = 0;
    do
    {
        OString aDir( aPath.getToken( 0, ':', nIndex ) );
        if( aDir.isEmpty() )
            continue;
 
        if( pSubDir )
        {
            aDir += OString::Concat("/") + pSubDir;
        }
        struct stat aStat;
        if( stat( aDir.getStr(), &aStat ) || ! S_ISDIR( aStat.st_mode ) )
            continue;
 
        rPathList.push_back( OStringToOUString( aDir, aEncoding ) );
    } while( nIndex != -1 );
 
    #ifdef SYSTEM_PPD_DIR
    if( pSubDir && rtl_str_compare( pSubDir, PRINTER_PPDDIR ) == 0 )
    {
        rPathList.push_back( OStringToOUString( OString( SYSTEM_PPD_DIR ), RTL_TEXTENCODING_UTF8 ) );
    }
    #endif
 
    if( !rPathList.empty() )
        return;
 
    // last resort: next to program file (mainly for setup)
    OUString aExe;
    if( osl_getExecutableFile( &aExe.pData ) == osl_Process_E_None )
    {
        INetURLObject aDir( aExe );
        aDir.removeSegment();
        aExe = aDir.GetMainURL( INetURLObject::DecodeMechanism::NONE );
        OUString aSysPath;
        if( osl_getSystemPathFromFileURL( aExe.pData, &aSysPath.pData ) == osl_File_E_None )
        {
            rPathList.push_back( aSysPath );
        }
    }
}
 
OUString const & psp::getFontPath()
{
    static OUString aPath;
 
    if (aPath.isEmpty())
    {
        OUStringBuffer aPathBuffer( 512 );
 
        OUString aConfigPath( getOfficePath( whichOfficePath::ConfigPath ) );
        OUString aInstallationRootPath( getOfficePath( whichOfficePath::InstallationRootPath ) );
        OUString aUserPath( getOfficePath( whichOfficePath::UserPath ) );
        if (!aInstallationRootPath.isEmpty())
        {
            // internal font resources, required for normal operation, like OpenSymbol
            aPathBuffer.append(aInstallationRootPath
                               + "/" LIBO_SHARE_RESOURCE_FOLDER "/common/fonts;");
        }
        if( !aConfigPath.isEmpty() )
        {
            // #i53530# Path from CustomDataUrl will completely
            // replace net share and user paths if the path exists
            OUString sPath = aConfigPath + "/" LIBO_SHARE_FOLDER "/fonts";
            // check existence of config path
            struct stat aStat;
            if( 0 != stat( OUStringToOString( sPath, osl_getThreadTextEncoding() ).getStr(), &aStat )
                || ! S_ISDIR( aStat.st_mode ) )
                aConfigPath.clear();
            else
            {
                aPathBuffer.append(sPath);
            }
        }
        if( aConfigPath.isEmpty() )
        {
            if( !aInstallationRootPath.isEmpty() )
            {
                aPathBuffer.append( aInstallationRootPath
                    + "/" LIBO_SHARE_FOLDER "/fonts/truetype;");
            }
            if( !aUserPath.isEmpty() )
            {
                aPathBuffer.append( aUserPath + "/user/fonts" );
            }
        }
 
        aPath = aPathBuffer.makeStringAndClear();
        SAL_INFO("vcl.fonts", "Initializing font path to: " << aPath);
    }
    return aPath;
}
 
void psp::normPath( OString& rPath )
{
    char buf[PATH_MAX];
 
    // double slashes and slash at end are probably
    // removed by realpath anyway, but since this runs
    // on many different platforms let's play it safe
    OString aPath = rPath.replaceAll("//"_ostr, "/"_ostr);
 
    if( aPath.endsWith("/") )
        aPath = aPath.copy(0, aPath.getLength()-1);
 
    if( ( aPath.indexOf("./") != -1 ||
          aPath.indexOf( '~' ) != -1 )
        && realpath( aPath.getStr(), buf ) )
    {
        rPath = buf;
    }
    else
    {
        rPath = aPath;
    }
}
 
void psp::splitPath( OString& rPath, OString& rDir, OString& rBase )
{
    normPath( rPath );
    sal_Int32 nIndex = rPath.lastIndexOf( '/' );
    if( nIndex > 0 )
        rDir = rPath.copy( 0, nIndex );
    else if( nIndex == 0 ) // root dir
        rDir = rPath.copy( 0, 1 );
    if( rPath.getLength() > nIndex+1 )
        rBase = rPath.copy( nIndex+1 );
}
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

V530 The return value of function 'append' is required to be utilized.

V530 The return value of function 'appendAscii' is required to be utilized.

V530 The return value of function 'append' is required to be utilized.

V530 The return value of function 'appendAscii' is required to be utilized.