322 lines
8.7 KiB
C
322 lines
8.7 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/parser/read.c,v 1.24 2003/08/24 17:37:08 dawes Exp $ */
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/*
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*
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* Copyright (c) 1997 Metro Link Incorporated
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the name of the Metro Link shall not be
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* used in advertising or otherwise to promote the sale, use or other dealings
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* in this Software without prior written authorization from Metro Link.
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*
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*/
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/*
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* Copyright (c) 1997-2003 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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/* View/edit this file with tab stops set to 4 */
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#endif
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#include "xf86Parser.h"
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#include "xf86tokens.h"
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#include "Configint.h"
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extern LexRec val;
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static xf86ConfigSymTabRec TopLevelTab[] =
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{
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{SECTION, "section"},
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{-1, ""},
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};
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#define CLEANUP xf86freeConfig
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XF86ConfigPtr
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xf86readConfigFile (void)
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{
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int token;
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XF86ConfigPtr ptr = NULL;
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if ((ptr = xf86confcalloc (1, sizeof (XF86ConfigRec))) == NULL)
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{
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return NULL;
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}
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memset (ptr, 0, sizeof (XF86ConfigRec));
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while ((token = xf86getToken (TopLevelTab)) != EOF_TOKEN)
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{
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switch (token)
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{
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case COMMENT:
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ptr->conf_comment = xf86addComment(ptr->conf_comment, val.str);
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break;
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case SECTION:
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if (xf86getSubToken (&(ptr->conf_comment)) != STRING)
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{
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xf86parseError (QUOTE_MSG, "Section");
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CLEANUP (ptr);
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return (NULL);
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}
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xf86setSection (val.str);
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if (xf86nameCompare (val.str, "files") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_RETURN (conf_files, xf86parseFilesSection ());
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}
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else if (xf86nameCompare (val.str, "serverflags") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_RETURN (conf_flags, xf86parseFlagsSection ());
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}
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else if (xf86nameCompare (val.str, "keyboard") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_input_lst, xf86parseKeyboardSection,
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XF86ConfInputPtr);
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}
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else if (xf86nameCompare (val.str, "pointer") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_input_lst, xf86parsePointerSection,
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XF86ConfInputPtr);
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}
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else if (xf86nameCompare (val.str, "videoadaptor") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_videoadaptor_lst, xf86parseVideoAdaptorSection,
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XF86ConfVideoAdaptorPtr);
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}
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else if (xf86nameCompare (val.str, "device") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_device_lst, xf86parseDeviceSection,
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XF86ConfDevicePtr);
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}
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else if (xf86nameCompare (val.str, "monitor") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_monitor_lst, xf86parseMonitorSection,
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XF86ConfMonitorPtr);
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}
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else if (xf86nameCompare (val.str, "modes") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_modes_lst, xf86parseModesSection,
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XF86ConfModesPtr);
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}
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else if (xf86nameCompare (val.str, "screen") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_screen_lst, xf86parseScreenSection,
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XF86ConfScreenPtr);
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}
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else if (xf86nameCompare(val.str, "inputdevice") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_input_lst, xf86parseInputSection,
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XF86ConfInputPtr);
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}
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else if (xf86nameCompare (val.str, "module") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_RETURN (conf_modules, xf86parseModuleSection ());
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}
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else if (xf86nameCompare (val.str, "serverlayout") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_layout_lst, xf86parseLayoutSection,
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XF86ConfLayoutPtr);
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}
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else if (xf86nameCompare (val.str, "vendor") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_LIST (conf_vendor_lst, xf86parseVendorSection,
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XF86ConfVendorPtr);
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}
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else if (xf86nameCompare (val.str, "dri") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_RETURN (conf_dri, xf86parseDRISection ());
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}
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else if (xf86nameCompare (val.str, "extensions") == 0)
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{
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xf86conffree(val.str);
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val.str = NULL;
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HANDLE_RETURN (conf_extensions, xf86parseExtensionsSection ());
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}
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else
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{
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Error (INVALID_SECTION_MSG, xf86tokenString ());
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xf86conffree(val.str);
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val.str = NULL;
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}
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break;
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default:
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Error (INVALID_KEYWORD_MSG, xf86tokenString ());
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xf86conffree(val.str);
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val.str = NULL;
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}
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}
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if (xf86validateConfig (ptr))
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return (ptr);
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else
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{
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CLEANUP (ptr);
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return (NULL);
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}
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}
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#undef CLEANUP
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/*
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* This function resolves name references and reports errors if the named
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* objects cannot be found.
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*/
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int
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xf86validateConfig (XF86ConfigPtr p)
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{
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if (!xf86validateDevice (p))
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return FALSE;
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if (!xf86validateScreen (p))
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return FALSE;
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if (!xf86validateInput (p))
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return FALSE;
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if (!xf86validateLayout (p))
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return FALSE;
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return (TRUE);
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}
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/*
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* adds an item to the end of the linked list. Any record whose first field
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* is a GenericListRec can be cast to this type and used with this function.
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* A pointer to the head of the list is returned to handle the addition of
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* the first item.
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*/
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GenericListPtr
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xf86addListItem (GenericListPtr head, GenericListPtr new)
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{
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GenericListPtr p = head;
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GenericListPtr last = NULL;
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while (p)
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{
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last = p;
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p = p->next;
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}
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if (last)
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{
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last->next = new;
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return (head);
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}
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else
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return (new);
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}
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/*
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* Test if one chained list contains the other.
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* In this case both list have the same endpoint (provided they don't loop)
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*/
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int
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xf86itemNotSublist(GenericListPtr list_1, GenericListPtr list_2)
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{
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GenericListPtr p = list_1;
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GenericListPtr last_1 = NULL, last_2 = NULL;
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while (p) {
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last_1 = p;
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p = p->next;
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}
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p = list_2;
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while (p) {
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last_2 = p;
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p = p->next;
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}
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return (!(last_1 == last_2));
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}
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void
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xf86freeConfig (XF86ConfigPtr p)
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{
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if (p == NULL)
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return;
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xf86freeFiles (p->conf_files);
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xf86freeModules (p->conf_modules);
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xf86freeFlags (p->conf_flags);
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xf86freeMonitorList (p->conf_monitor_lst);
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xf86freeModesList (p->conf_modes_lst);
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xf86freeVideoAdaptorList (p->conf_videoadaptor_lst);
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xf86freeDeviceList (p->conf_device_lst);
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xf86freeScreenList (p->conf_screen_lst);
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xf86freeLayoutList (p->conf_layout_lst);
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xf86freeInputList (p->conf_input_lst);
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xf86freeVendorList (p->conf_vendor_lst);
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xf86freeDRI (p->conf_dri);
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xf86freeExtensions (p->conf_extensions);
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TestFree(p->conf_comment);
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xf86conffree (p);
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}
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