lddips.c

开放源码的编译器open watcom 1.6.0版的源代码

/****************************************************************************
*
*                            Open Watcom Project
*
*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
*
*  ========================================================================
*
*    This file contains Original Code and/or Modifications of Original
*    Code as defined in and that are subject to the Sybase Open Watcom
*    Public License version 1.0 (the 'License'). You may not use this file
*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
*    provided with the Original Code and Modifications, and is also
*    available at www.sybase.com/developer/opensource.
*
*    The Original Code and all software distributed under the License are
*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
*    NON-INFRINGEMENT. Please see the License for the specific language
*    governing rights and limitations under the License.
*
*  ========================================================================
*
* Description:  WHEN YOU FIGURE OUT WHAT THIS FILE DOES, PLEASE
*               DESCRIBE IT HERE!
*
****************************************************************************/


#include <string.h>
#include "windows.h"
#include "drwatcom.h"
#include "dip.h"
#include "dipload.h"
#include "ldstr.h"
#include "rcstr.gh"
#include "mem.h"
#include "jdlg.h"

typedef struct {
    char        *loadmsg;
    BOOL        loaded;
    HINSTANCE   hinst;
} LoadInfo;

static LoadInfo         *theLoadInfo;
static unsigned         dipCnt;

#ifdef __WINDOWS__
extern HINSTANCE        DIPLastHandle;
#endif

void initDipMsgs( void ) {
    char        *ptr;

    ptr = DIPDefaults;
    dipCnt = 0;
    while( *ptr != '\0' ) {
        dipCnt++;
        ptr += strlen( ptr ) + 1;
    }
    theLoadInfo = MemAlloc( dipCnt * sizeof( LoadInfo ) );
}

BOOL CALLBACK ShowDipStatDlgProc( HWND hwnd, UINT msg, WPARAM wparam,
                                  LPARAM lparam )
{
    WORD        cmd;
    WORD        i;

    lparam = lparam;
    switch( msg ) {
    case WM_INITDIALOG:
        for( i=0; i < dipCnt; i++ ) {
            SetDlgMonoFont( hwnd, DIPLD_LIST );
            SetDlgMonoFont( hwnd, DIPLD_HEADER );
            SendDlgItemMessage( hwnd, DIPLD_LIST, LB_ADDSTRING, 0,
                                (DWORD)(LPSTR)theLoadInfo[i].loadmsg );
        }
        break;
    case WM_COMMAND:
        cmd = LOWORD( wparam );
        switch( cmd ) {
        case IDOK:
            SendMessage( hwnd, WM_CLOSE, 0, 0L );
            break;
        }
        break;
    case WM_CLOSE:
        EndDialog( hwnd, 0 );
        break;
    default:
        return( FALSE );
    }
    return( TRUE );
}

void ShowDIPStatus( HWND hwnd ) {

    FARPROC     fp;

    fp = MakeProcInstance( (FARPROC)ShowDipStatDlgProc, Instance );
    JDialogBox( Instance, "DIP_STATUS_DLG", hwnd, (DLGPROC)fp );
    FreeProcInstance( fp );
}

BOOL LoadTheDips( void ) {

    int         rc;
    unsigned    i;
    char        *ptr;
    char        buf[256];
    char        status[80];
    BOOL        diploaded;

    diploaded = FALSE;
    i = 0;
    initDipMsgs();
    ptr = DIPDefaults;
    while( *ptr != '\0' ) {
        rc = DIPLoad( ptr );
        if( rc & DS_ERR ) {
            rc &= ~DS_ERR;
            switch( rc ) {
            case DS_FOPEN_FAILED:
                CopyRCString( STR_DIP_NOT_FOUND, status, sizeof( status ) );
                break;
            case DS_INVALID_DIP_VERSION:
                CopyRCString( STR_WRONG_DIP_VERSION, status, sizeof( status ) );
                break;
            case DS_INVALID_DIP:
                CopyRCString( STR_BAD_DIP, status, sizeof( status) );
                break;
            case DS_TOO_MANY_DIPS:
                CopyRCString( STR_TOO_MANY_DIPS, status, sizeof( status) );
                break;
            default:
                CopyRCString( STR_DIP_ERR_OTHER, status, sizeof( status) );
                break;
            }
        } else {
            CopyRCString( STR_DIP_LOADED, status, sizeof( status) );
            diploaded = TRUE;
        }
        sprintf( buf, "%-18s %s", ptr, status );
        theLoadInfo[i].loadmsg = MemAlloc( strlen( buf ) + 1 );
        theLoadInfo[i].loaded = !( rc & DS_ERR );
#ifdef __WINDOWS__
        if( theLoadInfo[i].loaded ) {
            theLoadInfo[i].hinst = DIPLastHandle;
        }
#endif
        strcpy( theLoadInfo[i].loadmsg, buf );
        ptr += strlen( ptr ) + 1;
        i++;
    }
    if( !diploaded ) {
        RCMessageBox( NULL, STR_NO_DIPS_LOADED, AppName,
                      MB_OK | MB_ICONEXCLAMATION );
        ShowDIPStatus( NULL );
        DIPFini();
        return( FALSE );
    }
    return( TRUE );
}

void FiniDipMsgs( void ) {
    WORD        i;

    for( i=0; i < dipCnt; i++ ) {
        MemFree( theLoadInfo[i].loadmsg );
    }
}

#ifdef __WINDOWS__
BOOL IsDip( HINSTANCE hinst ) {
    WORD        i;

    for( i=0; i < dipCnt; i++ ) {
        if( theLoadInfo[i].loaded ) {
            if( theLoadInfo[i].hinst == hinst ) return( TRUE );
        }
    }
    return( FALSE );
}
#endif