1 files changed, 555 insertions, 0 deletions

diff --git a/hw/xfree86/parser/Screen.c b/hw/xfree86/parser/Screen.c
new file mode 100644
index 000000000..af8c407a9
--- /dev/null
+++ b/hw/xfree86/parser/Screen.c
@@ -0,0 +1,555 @@
+/* $XFree86: xc/programs/Xserver/hw/xfree86/parser/Screen.c,v 1.24 2003/01/04 20:20:23 paulo 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.
+ * 
+ */
+
+/* View/edit this file with tab stops set to 4 */
+
+#include "xf86Parser.h"
+#include "xf86tokens.h"
+#include "Configint.h"
+
+extern LexRec val;
+
+static xf86ConfigSymTabRec DisplayTab[] =
+{
+	{ENDSUBSECTION, "endsubsection"},
+	{MODES, "modes"},
+	{VIEWPORT, "viewport"},
+	{VIRTUAL, "virtual"},
+	{VISUAL, "visual"},
+	{BLACK_TOK, "black"},
+	{WHITE_TOK, "white"},
+	{DEPTH, "depth"},
+	{BPP, "fbbpp"},
+	{WEIGHT, "weight"},
+	{OPTION, "option"},
+	{-1, ""},
+};
+
+#define CLEANUP xf86freeDisplayList
+
+XF86ConfDisplayPtr
+xf86parseDisplaySubSection (void)
+{
+	int token;
+	parsePrologue (XF86ConfDisplayPtr, XF86ConfDisplayRec)
+
+	ptr->disp_black.red = ptr->disp_black.green = ptr->disp_black.blue = -1;
+	ptr->disp_white.red = ptr->disp_white.green = ptr->disp_white.blue = -1;
+	while ((token = xf86getToken (DisplayTab)) != ENDSUBSECTION)
+	{
+		switch (token)
+		{
+		case COMMENT:
+			ptr->disp_comment = xf86addComment(ptr->disp_comment, val.str);
+			break;
+		case VIEWPORT:
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (VIEWPORT_MSG, NULL);
+			ptr->disp_frameX0 = val.num;
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (VIEWPORT_MSG, NULL);
+			ptr->disp_frameY0 = val.num;
+			break;
+		case VIRTUAL:
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (VIRTUAL_MSG, NULL);
+			ptr->disp_virtualX = val.num;
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (VIRTUAL_MSG, NULL);
+			ptr->disp_virtualY = val.num;
+			break;
+		case DEPTH:
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (NUMBER_MSG, "Display");
+			ptr->disp_depth = val.num;
+			break;
+		case BPP:
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (NUMBER_MSG, "Display");
+			ptr->disp_bpp = val.num;
+			break;
+		case VISUAL:
+			if (xf86getSubToken (&(ptr->disp_comment)) != STRING)
+				Error (QUOTE_MSG, "Display");
+			ptr->disp_visual = val.str;
+			break;
+		case WEIGHT:
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (WEIGHT_MSG, NULL);
+			ptr->disp_weight.red = val.num;
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (WEIGHT_MSG, NULL);
+			ptr->disp_weight.green = val.num;
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (WEIGHT_MSG, NULL);
+			ptr->disp_weight.blue = val.num;
+			break;
+		case BLACK_TOK:
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (BLACK_MSG, NULL);
+			ptr->disp_black.red = val.num;
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (BLACK_MSG, NULL);
+			ptr->disp_black.green = val.num;
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (BLACK_MSG, NULL);
+			ptr->disp_black.blue = val.num;
+			break;
+		case WHITE_TOK:
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (WHITE_MSG, NULL);
+			ptr->disp_white.red = val.num;
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (WHITE_MSG, NULL);
+			ptr->disp_white.green = val.num;
+			if (xf86getSubToken (&(ptr->disp_comment)) != NUMBER)
+				Error (WHITE_MSG, NULL);
+			ptr->disp_white.blue = val.num;
+			break;
+		case MODES:
+			{
+				XF86ModePtr mptr;
+
+				while ((token = xf86getSubTokenWithTab (&(ptr->disp_comment), DisplayTab)) == STRING)
+				{
+					mptr = xf86confcalloc (1, sizeof (XF86ModeRec));
+					mptr->mode_name = val.str;
+					mptr->list.next = NULL;
+					ptr->disp_mode_lst = (XF86ModePtr)
+						xf86addListItem ((glp) ptr->disp_mode_lst, (glp) mptr);
+				}
+				xf86unGetToken (token);
+			}
+			break;
+		case OPTION:
+			ptr->disp_option_lst = xf86parseOption(ptr->disp_option_lst);
+			break;
+			
+		case EOF_TOKEN:
+			Error (UNEXPECTED_EOF_MSG, NULL);
+			break;
+		default:
+			Error (INVALID_KEYWORD_MSG, xf86tokenString ());
+			break;
+		}
+	}
+
+#ifdef DEBUG
+	printf ("Display subsection parsed\n");
+#endif
+
+	return ptr;
+}
+
+#undef CLEANUP
+
+static xf86ConfigSymTabRec ScreenTab[] =
+{
+	{ENDSECTION, "endsection"},
+	{IDENTIFIER, "identifier"},
+	{OBSDRIVER, "driver"},
+	{MDEVICE, "device"},
+	{MONITOR, "monitor"},
+	{VIDEOADAPTOR, "videoadaptor"},
+	{SCREENNO, "screenno"},
+	{SUBSECTION, "subsection"},
+	{DEFAULTDEPTH, "defaultcolordepth"},
+	{DEFAULTDEPTH, "defaultdepth"},
+	{DEFAULTBPP, "defaultbpp"},
+	{DEFAULTFBBPP, "defaultfbbpp"},
+	{OPTION, "option"},
+	{-1, ""},
+};
+
+#define CLEANUP xf86freeScreenList
+XF86ConfScreenPtr
+xf86parseScreenSection (void)
+{
+	int has_ident = FALSE;
+	int has_driver= FALSE;
+	int token;
+
+	parsePrologue (XF86ConfScreenPtr, XF86ConfScreenRec)
+
+		while ((token = xf86getToken (ScreenTab)) != ENDSECTION)
+	{
+		switch (token)
+		{
+		case COMMENT:
+			ptr->scrn_comment = xf86addComment(ptr->scrn_comment, val.str);
+			break;
+		case IDENTIFIER:
+			if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
+				Error (QUOTE_MSG, "Identifier");
+			ptr->scrn_identifier = val.str;
+			if (has_ident || has_driver)
+				Error (ONLY_ONE_MSG,"Identifier or Driver");
+			has_ident = TRUE;
+			break;
+		case OBSDRIVER:
+			if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
+				Error (QUOTE_MSG, "Driver");
+			ptr->scrn_obso_driver = val.str;
+			if (has_ident || has_driver)
+				Error (ONLY_ONE_MSG,"Identifier or Driver");
+			has_driver = TRUE;
+			break;
+		case DEFAULTDEPTH:
+			if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER)
+				Error (NUMBER_MSG, "DefaultDepth");
+			ptr->scrn_defaultdepth = val.num;
+			break;
+		case DEFAULTBPP:
+			if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER)
+				Error (NUMBER_MSG, "DefaultBPP");
+			ptr->scrn_defaultbpp = val.num;
+			break;
+		case DEFAULTFBBPP:
+			if (xf86getSubToken (&(ptr->scrn_comment)) != NUMBER)
+				Error (NUMBER_MSG, "DefaultFbBPP");
+			ptr->scrn_defaultfbbpp = val.num;
+			break;
+		case MDEVICE:
+			if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
+				Error (QUOTE_MSG, "Device");
+			ptr->scrn_device_str = val.str;
+			break;
+		case MONITOR:
+			if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
+				Error (QUOTE_MSG, "Monitor");
+			ptr->scrn_monitor_str = val.str;
+			break;
+		case VIDEOADAPTOR:
+			{
+				XF86ConfAdaptorLinkPtr aptr;
+
+				if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
+					Error (QUOTE_MSG, "VideoAdaptor");
+
+				/* Don't allow duplicates */
+				for (aptr = ptr->scrn_adaptor_lst; aptr; 
+					aptr = (XF86ConfAdaptorLinkPtr) aptr->list.next)
+					if (xf86nameCompare (val.str, aptr->al_adaptor_str) == 0)
+						break;
+
+				if (aptr == NULL)
+				{
+					aptr = xf86confcalloc (1, sizeof (XF86ConfAdaptorLinkRec));
+					aptr->list.next = NULL;
+					aptr->al_adaptor_str = val.str;
+					ptr->scrn_adaptor_lst = (XF86ConfAdaptorLinkPtr)
+						xf86addListItem ((glp) ptr->scrn_adaptor_lst, (glp) aptr);
+				}
+			}
+			break;
+		case OPTION:
+			ptr->scrn_option_lst = xf86parseOption(ptr->scrn_option_lst);
+			break;
+		case SUBSECTION:
+			if (xf86getSubToken (&(ptr->scrn_comment)) != STRING)
+				Error (QUOTE_MSG, "SubSection");
+			{
+				xf86conffree(val.str);
+				HANDLE_LIST (scrn_display_lst, xf86parseDisplaySubSection,
+							 XF86ConfDisplayPtr);
+			}
+			break;
+		case EOF_TOKEN:
+			Error (UNEXPECTED_EOF_MSG, NULL);
+			break;
+		default:
+			Error (INVALID_KEYWORD_MSG, xf86tokenString ());
+			break;
+		}
+	}
+
+	if (!has_ident && !has_driver)
+		Error (NO_IDENT_MSG, NULL);
+
+#ifdef DEBUG
+	printf ("Screen section parsed\n");
+#endif
+
+	return ptr;
+}
+
+void
+xf86printScreenSection (FILE * cf, XF86ConfScreenPtr ptr)
+{
+	XF86ConfAdaptorLinkPtr aptr;
+	XF86ConfDisplayPtr dptr;
+	XF86ModePtr mptr;
+
+	while (ptr)
+	{
+		fprintf (cf, "Section \"Screen\"\n");
+		if (ptr->scrn_comment)
+			fprintf (cf, "%s", ptr->scrn_comment);
+		if (ptr->scrn_identifier)
+			fprintf (cf, "\tIdentifier \"%s\"\n", ptr->scrn_identifier);
+		if (ptr->scrn_obso_driver)
+			fprintf (cf, "\tDriver     \"%s\"\n", ptr->scrn_obso_driver);
+		if (ptr->scrn_device_str)
+			fprintf (cf, "\tDevice     \"%s\"\n", ptr->scrn_device_str);
+		if (ptr->scrn_monitor_str)
+			fprintf (cf, "\tMonitor    \"%s\"\n", ptr->scrn_monitor_str);
+		if (ptr->scrn_defaultdepth)
+			fprintf (cf, "\tDefaultDepth     %d\n",
+					 ptr->scrn_defaultdepth);
+		if (ptr->scrn_defaultbpp)
+			fprintf (cf, "\tDefaultBPP     %d\n",
+					 ptr->scrn_defaultbpp);
+		if (ptr->scrn_defaultfbbpp)
+			fprintf (cf, "\tDefaultFbBPP     %d\n",
+					 ptr->scrn_defaultfbbpp);
+		xf86printOptionList(cf, ptr->scrn_option_lst, 1);
+		for (aptr = ptr->scrn_adaptor_lst; aptr; aptr = aptr->list.next)
+		{
+			fprintf (cf, "\tVideoAdaptor \"%s\"\n", aptr->al_adaptor_str);
+		}
+		for (dptr = ptr->scrn_display_lst; dptr; dptr = dptr->list.next)
+		{
+			fprintf (cf, "\tSubSection \"Display\"\n");
+			if (dptr->disp_comment)
+				fprintf (cf, "%s", dptr->disp_comment);
+			if (dptr->disp_frameX0 != 0 || dptr->disp_frameY0 != 0)
+			{
+				fprintf (cf, "\t\tViewport   %d %d\n",
+						 dptr->disp_frameX0, dptr->disp_frameY0);
+			}
+			if (dptr->disp_virtualX != 0 || dptr->disp_virtualY != 0)
+			{
+				fprintf (cf, "\t\tVirtual   %d %d\n",
+						 dptr->disp_virtualX, dptr->disp_virtualY);
+			}
+			if (dptr->disp_depth)
+			{
+				fprintf (cf, "\t\tDepth     %d\n", dptr->disp_depth);
+			}
+			if (dptr->disp_bpp)
+			{
+				fprintf (cf, "\t\tFbBPP     %d\n", dptr->disp_bpp);
+			}
+			if (dptr->disp_visual)
+			{
+				fprintf (cf, "\t\tVisual    \"%s\"\n", dptr->disp_visual);
+			}
+			if (dptr->disp_weight.red != 0)
+			{
+				fprintf (cf, "\t\tWeight    %d %d %d\n",
+					 dptr->disp_weight.red, dptr->disp_weight.green, dptr->disp_weight.blue);
+			}
+			if (dptr->disp_black.red != -1)
+			{
+				fprintf (cf, "\t\tBlack     0x%04x 0x%04x 0x%04x\n",
+					  dptr->disp_black.red, dptr->disp_black.green, dptr->disp_black.blue);
+			}
+			if (dptr->disp_white.red != -1)
+			{
+				fprintf (cf, "\t\tWhite     0x%04x 0x%04x 0x%04x\n",
+					  dptr->disp_white.red, dptr->disp_white.green, dptr->disp_white.blue);
+			}
+			if (dptr->disp_mode_lst)
+			{
+				fprintf (cf, "\t\tModes   ");
+			}
+			for (mptr = dptr->disp_mode_lst; mptr; mptr = mptr->list.next)
+			{
+				fprintf (cf, " \"%s\"", mptr->mode_name);
+			}
+			if (dptr->disp_mode_lst)
+			{
+				fprintf (cf, "\n");
+			}
+			xf86printOptionList(cf, dptr->disp_option_lst, 2);
+			fprintf (cf, "\tEndSubSection\n");
+		}
+		fprintf (cf, "EndSection\n\n");
+		ptr = ptr->list.next;
+	}
+
+}
+
+void
+xf86freeScreenList (XF86ConfScreenPtr ptr)
+{
+	XF86ConfScreenPtr prev;
+
+	while (ptr)
+	{
+		TestFree (ptr->scrn_identifier);
+		TestFree (ptr->scrn_monitor_str);
+		TestFree (ptr->scrn_device_str);
+		TestFree (ptr->scrn_comment);
+		xf86optionListFree (ptr->scrn_option_lst);
+		xf86freeAdaptorLinkList (ptr->scrn_adaptor_lst);
+		xf86freeDisplayList (ptr->scrn_display_lst);
+		prev = ptr;
+		ptr = ptr->list.next;
+		xf86conffree (prev);
+	}
+}
+
+void
+xf86freeAdaptorLinkList (XF86ConfAdaptorLinkPtr ptr)
+{
+	XF86ConfAdaptorLinkPtr prev;
+
+	while (ptr)
+	{
+		TestFree (ptr->al_adaptor_str);
+		prev = ptr;
+		ptr = ptr->list.next;
+		xf86conffree (prev);
+	}
+}
+
+void
+xf86freeDisplayList (XF86ConfDisplayPtr ptr)
+{
+	XF86ConfDisplayPtr prev;
+
+	while (ptr)
+	{
+		xf86freeModeList (ptr->disp_mode_lst);
+		xf86optionListFree (ptr->disp_option_lst);
+		prev = ptr;
+		ptr = ptr->list.next;
+		xf86conffree (prev);
+	}
+}
+
+void
+xf86freeModeList (XF86ModePtr ptr)
+{
+	XF86ModePtr prev;
+
+	while (ptr)
+	{
+		TestFree (ptr->mode_name);
+		prev = ptr;
+		ptr = ptr->list.next;
+		xf86conffree (prev);
+	}
+}
+
+int
+xf86validateScreen (XF86ConfigPtr p)
+{
+	XF86ConfScreenPtr screen = p->conf_screen_lst;
+	XF86ConfMonitorPtr monitor;
+	XF86ConfDevicePtr device;
+	XF86ConfAdaptorLinkPtr adaptor;
+
+	if (!screen)
+	{
+		xf86validationError ("At least one Screen section is required.");
+		return (FALSE);
+	}
+
+	while (screen)
+	{
+		if (screen->scrn_obso_driver && !screen->scrn_identifier)
+			screen->scrn_identifier = screen->scrn_obso_driver;
+
+		monitor = xf86findMonitor (screen->scrn_monitor_str, p->conf_monitor_lst);
+		if (!monitor)
+		{
+			xf86validationError (UNDEFINED_MONITOR_MSG,
+						 screen->scrn_monitor_str, screen->scrn_identifier);
+			return (FALSE);
+		}
+		else
+		{
+			screen->scrn_monitor = monitor;
+			if (!xf86validateMonitor(p, screen))
+				return (FALSE);
+		}
+
+		device = xf86findDevice (screen->scrn_device_str, p->conf_device_lst);
+		if (!device)
+		{
+			xf86validationError (UNDEFINED_DEVICE_MSG,
+						  screen->scrn_device_str, screen->scrn_identifier);
+			return (FALSE);
+		}
+		else
+			screen->scrn_device = device;
+
+		adaptor = screen->scrn_adaptor_lst;
+		while (adaptor)
+		{
+			adaptor->al_adaptor = xf86findVideoAdaptor (adaptor->al_adaptor_str, p->conf_videoadaptor_lst);
+			if (!adaptor->al_adaptor)
+			{
+				xf86validationError (UNDEFINED_ADAPTOR_MSG, adaptor->al_adaptor_str, screen->scrn_identifier);
+				return (FALSE);
+			}
+			else if (adaptor->al_adaptor->va_fwdref)
+			{
+				xf86validationError (ADAPTOR_REF_TWICE_MSG, adaptor->al_adaptor_str,
+						     adaptor->al_adaptor->va_fwdref);
+				return (FALSE);
+			}
+
+			adaptor->al_adaptor->va_fwdref = xf86configStrdup(screen->scrn_identifier);
+			adaptor = adaptor->list.next;
+		}
+
+		screen = screen->list.next;
+	}
+
+	return (TRUE);
+}
+
+XF86ConfScreenPtr
+xf86findScreen (const char *ident, XF86ConfScreenPtr p)
+{
+	while (p)
+	{
+		if (xf86nameCompare (ident, p->scrn_identifier) == 0)
+			return (p);
+
+		p = p->list.next;
+	}
+	return (NULL);
+}
+
+XF86ConfDisplayPtr
+xf86findDisplay (int depth, XF86ConfDisplayPtr p)
+{
+	while (p)
+	{
+		if (depth == p->disp_depth)
+			return (p);
+
+		p = p->list.next;
+	}
+	return (NULL);
+}