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Diffstat (limited to 'xorg-server/hw/xfree86/parser/DRI.c')
-rw-r--r--xorg-server/hw/xfree86/parser/DRI.c187
1 files changed, 187 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/parser/DRI.c b/xorg-server/hw/xfree86/parser/DRI.c
new file mode 100644
index 000000000..68a6db90b
--- /dev/null
+++ b/xorg-server/hw/xfree86/parser/DRI.c
@@ -0,0 +1,187 @@
+/* DRI.c -- DRI Section in XF86Config file
+ * Created: Fri Mar 19 08:40:22 1999 by faith@precisioninsight.com
+ * Revised: Thu Jun 17 16:08:05 1999 by faith@precisioninsight.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * 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:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) 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
+ * PRECISION INSIGHT AND/OR ITS SUPPLIERS 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.
+ *
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86Parser.h"
+#include "xf86tokens.h"
+#include "Configint.h"
+
+extern LexRec val;
+
+static xf86ConfigSymTabRec DRITab[] =
+{
+ {ENDSECTION, "endsection"},
+ {GROUP, "group"},
+ {BUFFERS, "buffers"},
+ {MODE, "mode"},
+ {-1, ""},
+};
+
+#define CLEANUP xf86freeBuffersList
+
+static void
+xf86freeBuffersList (XF86ConfBuffersPtr ptr)
+{
+ XF86ConfBuffersPtr prev;
+
+ while (ptr) {
+ TestFree (ptr->buf_flags);
+ TestFree (ptr->buf_comment);
+ prev = ptr;
+ ptr = ptr->list.next;
+ xf86conffree (prev);
+ }
+}
+
+static XF86ConfBuffersPtr
+xf86parseBuffers (void)
+{
+ int token;
+ parsePrologue (XF86ConfBuffersPtr, XF86ConfBuffersRec)
+
+ if (xf86getSubToken (&(ptr->buf_comment)) != NUMBER)
+ Error ("Buffers count expected", NULL);
+ ptr->buf_count = val.num;
+
+ if (xf86getSubToken (&(ptr->buf_comment)) != NUMBER)
+ Error ("Buffers size expected", NULL);
+ ptr->buf_size = val.num;
+
+ if ((token = xf86getSubToken (&(ptr->buf_comment))) == STRING) {
+ ptr->buf_flags = val.str;
+ if ((token = xf86getToken (NULL)) == COMMENT)
+ ptr->buf_comment = xf86addComment(ptr->buf_comment, val.str);
+ else
+ xf86unGetToken(token);
+ }
+
+#ifdef DEBUG
+ printf ("Buffers parsed\n");
+#endif
+
+ return ptr;
+}
+
+#undef CLEANUP
+
+#define CLEANUP xf86freeDRI
+
+XF86ConfDRIPtr
+xf86parseDRISection (void)
+{
+ int token;
+ parsePrologue (XF86ConfDRIPtr, XF86ConfDRIRec);
+
+ /* Zero is a valid value for this. */
+ ptr->dri_group = -1;
+ while ((token = xf86getToken (DRITab)) != ENDSECTION) {
+ switch (token)
+ {
+ case GROUP:
+ if ((token = xf86getSubToken (&(ptr->dri_comment))) == STRING)
+ ptr->dri_group_name = val.str;
+ else if (token == NUMBER)
+ ptr->dri_group = val.num;
+ else
+ Error (GROUP_MSG, NULL);
+ break;
+ case MODE:
+ if (xf86getSubToken (&(ptr->dri_comment)) != NUMBER)
+ Error (NUMBER_MSG, "Mode");
+ if (val.numType != PARSE_OCTAL)
+ Error (MUST_BE_OCTAL_MSG, val.num);
+ ptr->dri_mode = val.num;
+ break;
+ case BUFFERS:
+ HANDLE_LIST (dri_buffers_lst, xf86parseBuffers,
+ XF86ConfBuffersPtr);
+ break;
+ case EOF_TOKEN:
+ Error (UNEXPECTED_EOF_MSG, NULL);
+ break;
+ case COMMENT:
+ ptr->dri_comment = xf86addComment(ptr->dri_comment, val.str);
+ break;
+ default:
+ Error (INVALID_KEYWORD_MSG, xf86tokenString ());
+ break;
+ }
+ }
+
+#ifdef DEBUG
+ ErrorF("DRI section parsed\n");
+#endif
+
+ return ptr;
+}
+
+#undef CLEANUP
+
+void
+xf86printDRISection (FILE * cf, XF86ConfDRIPtr ptr)
+{
+ XF86ConfBuffersPtr bufs;
+
+ if (ptr == NULL)
+ return;
+
+ fprintf (cf, "Section \"DRI\"\n");
+ if (ptr->dri_comment)
+ fprintf (cf, "%s", ptr->dri_comment);
+ if (ptr->dri_group_name)
+ fprintf (cf, "\tGroup \"%s\"\n", ptr->dri_group_name);
+ else if (ptr->dri_group >= 0)
+ fprintf (cf, "\tGroup %d\n", ptr->dri_group);
+ if (ptr->dri_mode)
+ fprintf (cf, "\tMode 0%o\n", ptr->dri_mode);
+ for (bufs = ptr->dri_buffers_lst; bufs; bufs = bufs->list.next) {
+ fprintf (cf, "\tBuffers %d %d",
+ bufs->buf_count, bufs->buf_size);
+ if (bufs->buf_flags) fprintf (cf, " \"%s\"", bufs->buf_flags);
+ if (bufs->buf_comment)
+ fprintf(cf, "%s", bufs->buf_comment);
+ else
+ fprintf (cf, "\n");
+ }
+ fprintf (cf, "EndSection\n\n");
+}
+
+void
+xf86freeDRI (XF86ConfDRIPtr ptr)
+{
+ if (ptr == NULL)
+ return;
+
+ xf86freeBuffersList (ptr->dri_buffers_lst);
+ TestFree (ptr->dri_comment);
+ xf86conffree (ptr);
+}