392 lines
12 KiB
C
392 lines
12 KiB
C
/* $XFree86: xc/programs/Xserver/hw/xfree86/parser/read.c,v 1.27 2005/01/26 05:31:50 dawes Exp $ */
|
|
/*
|
|
*
|
|
* Copyright (c) 1997 Metro Link Incorporated
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
|
|
* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
* Except as contained in this notice, the name of the Metro Link shall not be
|
|
* used in advertising or otherwise to promote the sale, use or other dealings
|
|
* in this Software without prior written authorization from Metro Link.
|
|
*
|
|
*/
|
|
/*
|
|
* Copyright (c) 1997-2005 by The XFree86 Project, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining
|
|
* a copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sublicense, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject
|
|
* to the following conditions:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions, and the following disclaimer.
|
|
*
|
|
* 2. 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, and in the same place and form as other copyright,
|
|
* license and disclaimer information.
|
|
*
|
|
* 3. The end-user documentation included with the redistribution,
|
|
* if any, must include the following acknowledgment: "This product
|
|
* includes software developed by The XFree86 Project, Inc
|
|
* (http://www.xfree86.org/) and its contributors", in the same
|
|
* place and form as other third-party acknowledgments. Alternately,
|
|
* this acknowledgment may appear in the software itself, in the
|
|
* same form and location as other such third-party acknowledgments.
|
|
*
|
|
* 4. Except as contained in this notice, the name of The XFree86
|
|
* Project, Inc shall not be used in advertising or otherwise to
|
|
* promote the sale, use or other dealings in this Software without
|
|
* prior written authorization from The XFree86 Project, Inc.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 XFREE86 PROJECT, INC OR ITS 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.
|
|
*/
|
|
/*
|
|
* Copyright © 2003, 2004, 2005 David H. Dawes..
|
|
* Copyright © 2003, 2004, 2005 X-Oz Technologies.
|
|
* All rights reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions, and the following disclaimer.
|
|
*
|
|
* 2. 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.
|
|
*
|
|
* 3. The end-user documentation included with the redistribution,
|
|
* if any, must include the following acknowledgment: "This product
|
|
* includes software developed by X-Oz Technologies
|
|
* (http://www.x-oz.com/)." Alternately, this acknowledgment may
|
|
* appear in the software itself, if and wherever such third-party
|
|
* acknowledgments normally appear.
|
|
*
|
|
* 4. Except as contained in this notice, the name of X-Oz
|
|
* Technologies shall not be used in advertising or otherwise to
|
|
* promote the sale, use or other dealings in this Software without
|
|
* prior written authorization from X-Oz Technologies.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 X-OZ TECHNOLOGIES OR ITS 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.
|
|
*/
|
|
|
|
|
|
/* View/edit this file with tab stops set to 4 */
|
|
|
|
#include "xf86Parser.h"
|
|
#include "xf86tokens.h"
|
|
#include "Configint.h"
|
|
|
|
extern LexRec val;
|
|
|
|
static xf86ConfigSymTabRec TopLevelTab[] =
|
|
{
|
|
{SECTION, "section"},
|
|
{-1, ""},
|
|
};
|
|
|
|
#define CLEANUP xf86freeConfig
|
|
|
|
XF86ConfigPtr
|
|
xf86parseConfigFile (XF86ConfigPtr ptr)
|
|
{
|
|
int token;
|
|
|
|
if (!ptr)
|
|
{
|
|
if ((ptr = xf86confcalloc (1, sizeof (XF86ConfigRec))) == NULL)
|
|
{
|
|
return NULL;
|
|
}
|
|
memset (ptr, 0, sizeof (XF86ConfigRec));
|
|
}
|
|
|
|
while ((token = xf86getToken (TopLevelTab)) != EOF_TOKEN)
|
|
{
|
|
switch (token)
|
|
{
|
|
case COMMENT:
|
|
ptr->conf_comment = xf86addComment(ptr->conf_comment, val.str);
|
|
break;
|
|
case SECTION:
|
|
if (xf86getSubToken (&(ptr->conf_comment)) != STRING)
|
|
{
|
|
xf86parseError (QUOTE_MSG, "Section");
|
|
CLEANUP (ptr);
|
|
return (NULL);
|
|
}
|
|
xf86setSection (val.str);
|
|
if (xf86nameCompare (val.str, "files") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_files_lst, xf86parseFilesSection,
|
|
XF86ConfFilesPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "serverflags") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_flags_lst, xf86parseFlagsSection,
|
|
XF86ConfFlagsPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "keyboard") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_input_lst, xf86parseKeyboardSection,
|
|
XF86ConfInputPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "pointer") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_input_lst, xf86parsePointerSection,
|
|
XF86ConfInputPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "videoadaptor") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_videoadaptor_lst, xf86parseVideoAdaptorSection,
|
|
XF86ConfVideoAdaptorPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "device") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_device_lst, xf86parseDeviceSection,
|
|
XF86ConfDevicePtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "monitor") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_monitor_lst, xf86parseMonitorSection,
|
|
XF86ConfMonitorPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "modes") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_modes_lst, xf86parseModesSection,
|
|
XF86ConfModesPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "screen") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_screen_lst, xf86parseScreenSection,
|
|
XF86ConfScreenPtr);
|
|
}
|
|
else if (xf86nameCompare(val.str, "inputdevice") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_input_lst, xf86parseInputSection,
|
|
XF86ConfInputPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "module") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_modules_lst, xf86parseModuleSection,
|
|
XF86ConfModulePtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "serverlayout") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_layout_lst, xf86parseLayoutSection,
|
|
XF86ConfLayoutPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "vendor") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_vendor_lst, xf86parseVendorSection,
|
|
XF86ConfVendorPtr);
|
|
}
|
|
else if (xf86nameCompare (val.str, "dri") == 0)
|
|
{
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
HANDLE_LIST (conf_dri_lst, xf86parseDRISection,
|
|
XF86ConfDRIPtr);
|
|
}
|
|
else
|
|
{
|
|
Error (INVALID_SECTION_MSG, xf86tokenString ());
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
}
|
|
break;
|
|
default:
|
|
Error (INVALID_KEYWORD_MSG, xf86tokenString ());
|
|
xf86conffree(val.str);
|
|
val.str = NULL;
|
|
}
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
XF86ConfigPtr
|
|
xf86readConfigFile()
|
|
{
|
|
XF86ConfigPtr ptr;
|
|
|
|
ptr = xf86parseConfigFile(NULL);
|
|
if (!ptr)
|
|
return NULL;
|
|
|
|
if (xf86validateConfig(ptr))
|
|
return ptr;
|
|
else
|
|
{
|
|
CLEANUP(ptr);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
#undef CLEANUP
|
|
|
|
/*
|
|
* This function resolves name references and reports errors if the named
|
|
* objects cannot be found.
|
|
*/
|
|
int
|
|
xf86validateConfig (XF86ConfigPtr p)
|
|
{
|
|
if (!xf86validateDevice (p))
|
|
return FALSE;
|
|
if (!xf86validateScreen (p))
|
|
return FALSE;
|
|
if (!xf86validateInput (p))
|
|
return FALSE;
|
|
if (!xf86validateLayout (p))
|
|
return FALSE;
|
|
|
|
return (TRUE);
|
|
}
|
|
|
|
/*
|
|
* adds an item to the end of the linked list. Any record whose first field
|
|
* is a GenericListRec can be cast to this type and used with this function.
|
|
* A pointer to the head of the list is returned to handle the addition of
|
|
* the first item.
|
|
*/
|
|
GenericListPtr
|
|
xf86addListItem (GenericListPtr head, GenericListPtr new)
|
|
{
|
|
GenericListPtr p = head;
|
|
GenericListPtr last = NULL;
|
|
|
|
while (p)
|
|
{
|
|
last = p;
|
|
p = p->next;
|
|
}
|
|
|
|
if (last)
|
|
{
|
|
last->next = new;
|
|
return (head);
|
|
}
|
|
else
|
|
return (new);
|
|
}
|
|
|
|
/*
|
|
* Test if one chained list contains the other.
|
|
* In this case both list have the same endpoint (provided they don't loop)
|
|
*/
|
|
int
|
|
xf86itemNotSublist(GenericListPtr list_1, GenericListPtr list_2)
|
|
{
|
|
GenericListPtr p = list_1;
|
|
GenericListPtr last_1 = NULL, last_2 = NULL;
|
|
|
|
while (p) {
|
|
last_1 = p;
|
|
p = p->next;
|
|
}
|
|
|
|
p = list_2;
|
|
while (p) {
|
|
last_2 = p;
|
|
p = p->next;
|
|
}
|
|
|
|
return (!(last_1 == last_2));
|
|
}
|
|
|
|
void
|
|
xf86freeConfig (XF86ConfigPtr p)
|
|
{
|
|
if (p == NULL)
|
|
return;
|
|
|
|
xf86freeFilesList (p->conf_files_lst);
|
|
xf86freeModulesList (p->conf_modules_lst);
|
|
xf86freeFlagsList (p->conf_flags_lst);
|
|
xf86freeMonitorList (p->conf_monitor_lst);
|
|
xf86freeModesList (p->conf_modes_lst);
|
|
xf86freeVideoAdaptorList (p->conf_videoadaptor_lst);
|
|
xf86freeDeviceList (p->conf_device_lst);
|
|
xf86freeScreenList (p->conf_screen_lst);
|
|
xf86freeLayoutList (p->conf_layout_lst);
|
|
xf86freeInputList (p->conf_input_lst);
|
|
xf86freeVendorList (p->conf_vendor_lst);
|
|
xf86freeDRIList (p->conf_dri_lst);
|
|
TestFree(p->conf_comment);
|
|
|
|
xf86conffree (p);
|
|
}
|