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-rw-r--r--hw/xfree86/parser/Module.c230
1 files changed, 230 insertions, 0 deletions
diff --git a/hw/xfree86/parser/Module.c b/hw/xfree86/parser/Module.c
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+/* $XFree86: xc/programs/Xserver/hw/xfree86/parser/Module.c,v 1.11 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 SubModuleTab[] =
+{
+ {ENDSUBSECTION, "endsubsection"},
+ {OPTION, "option"},
+ {-1, ""},
+};
+
+static xf86ConfigSymTabRec ModuleTab[] =
+{
+ {ENDSECTION, "endsection"},
+ {LOAD, "load"},
+ {LOAD_DRIVER, "loaddriver"},
+ {SUBSECTION, "subsection"},
+ {-1, ""},
+};
+
+#define CLEANUP xf86freeModules
+
+XF86LoadPtr
+xf86parseModuleSubSection (XF86LoadPtr head, char *name)
+{
+ int token;
+ parsePrologue (XF86LoadPtr, XF86LoadRec)
+
+ ptr->load_name = name;
+ ptr->load_type = XF86_LOAD_MODULE;
+ ptr->load_opt = NULL;
+ ptr->list.next = NULL;
+
+ while ((token = xf86getToken (SubModuleTab)) != ENDSUBSECTION)
+ {
+ switch (token)
+ {
+ case COMMENT:
+ ptr->load_comment = xf86addComment(ptr->load_comment, val.str);
+ break;
+ case OPTION:
+ ptr->load_opt = xf86parseOption(ptr->load_opt);
+ break;
+ case EOF_TOKEN:
+ xf86parseError (UNEXPECTED_EOF_MSG, NULL);
+ xf86conffree(ptr);
+ return NULL;
+ default:
+ xf86parseError (INVALID_KEYWORD_MSG, xf86tokenString ());
+ xf86conffree(ptr);
+ return NULL;
+ break;
+ }
+
+ }
+
+ return ((XF86LoadPtr) xf86addListItem ((glp) head, (glp) ptr));
+}
+
+XF86ConfModulePtr
+xf86parseModuleSection (void)
+{
+ int token;
+ parsePrologue (XF86ConfModulePtr, XF86ConfModuleRec)
+
+ while ((token = xf86getToken (ModuleTab)) != ENDSECTION)
+ {
+ switch (token)
+ {
+ case COMMENT:
+ ptr->mod_comment = xf86addComment(ptr->mod_comment, val.str);
+ break;
+ case LOAD:
+ if (xf86getSubToken (&(ptr->mod_comment)) != STRING)
+ Error (QUOTE_MSG, "Load");
+ ptr->mod_load_lst =
+ xf86addNewLoadDirective (ptr->mod_load_lst, val.str,
+ XF86_LOAD_MODULE, NULL);
+ break;
+ case LOAD_DRIVER:
+ if (xf86getSubToken (&(ptr->mod_comment)) != STRING)
+ Error (QUOTE_MSG, "LoadDriver");
+ ptr->mod_load_lst =
+ xf86addNewLoadDirective (ptr->mod_load_lst, val.str,
+ XF86_LOAD_DRIVER, NULL);
+ break;
+ case SUBSECTION:
+ if (xf86getSubToken (&(ptr->mod_comment)) != STRING)
+ Error (QUOTE_MSG, "SubSection");
+ ptr->mod_load_lst =
+ xf86parseModuleSubSection (ptr->mod_load_lst, val.str);
+ break;
+ case EOF_TOKEN:
+ Error (UNEXPECTED_EOF_MSG, NULL);
+ break;
+ default:
+ Error (INVALID_KEYWORD_MSG, xf86tokenString ());
+ break;
+ }
+ }
+
+#ifdef DEBUG
+ printf ("Module section parsed\n");
+#endif
+
+ return ptr;
+}
+
+#undef CLEANUP
+
+void
+xf86printModuleSection (FILE * cf, XF86ConfModulePtr ptr)
+{
+ XF86LoadPtr lptr;
+
+ if (ptr == NULL)
+ return;
+
+ if (ptr->mod_comment)
+ fprintf(cf, "%s", ptr->mod_comment);
+ for (lptr = ptr->mod_load_lst; lptr; lptr = lptr->list.next)
+ {
+ switch (lptr->load_type)
+ {
+ case XF86_LOAD_MODULE:
+ if( lptr->load_opt == NULL ) {
+ fprintf (cf, "\tLoad \"%s\"", lptr->load_name);
+ if (lptr->load_comment)
+ fprintf(cf, "%s", lptr->load_comment);
+ else
+ fputc('\n', cf);
+ }
+ else
+ {
+ fprintf (cf, "\tSubSection \"%s\"\n", lptr->load_name);
+ if (lptr->load_comment)
+ fprintf(cf, "%s", lptr->load_comment);
+ xf86printOptionList(cf, lptr->load_opt, 2);
+ fprintf (cf, "\tEndSubSection\n");
+ }
+ break;
+ case XF86_LOAD_DRIVER:
+ fprintf (cf, "\tLoadDriver \"%s\"", lptr->load_name);
+ if (lptr->load_comment)
+ fprintf(cf, "%s", lptr->load_comment);
+ else
+ fputc('\n', cf);
+ break;
+#if 0
+ default:
+ fprintf (cf, "#\tUnknown type \"%s\"\n", lptr->load_name);
+ break;
+#endif
+ }
+ }
+}
+
+XF86LoadPtr
+xf86addNewLoadDirective (XF86LoadPtr head, char *name, int type, XF86OptionPtr opts)
+{
+ XF86LoadPtr new;
+ int token;
+
+ new = xf86confcalloc (1, sizeof (XF86LoadRec));
+ new->load_name = name;
+ new->load_type = type;
+ new->load_opt = opts;
+ new->list.next = NULL;
+
+ if ((token = xf86getToken(NULL)) == COMMENT)
+ new->load_comment = xf86addComment(new->load_comment, val.str);
+ else
+ xf86unGetToken(token);
+
+ return ((XF86LoadPtr) xf86addListItem ((glp) head, (glp) new));
+}
+
+void
+xf86freeModules (XF86ConfModulePtr ptr)
+{
+ XF86LoadPtr lptr;
+ XF86LoadPtr prev;
+
+ if (ptr == NULL)
+ return;
+ lptr = ptr->mod_load_lst;
+ while (lptr)
+ {
+ TestFree (lptr->load_name);
+ TestFree (lptr->load_comment);
+ prev = lptr;
+ lptr = lptr->list.next;
+ xf86conffree (prev);
+ }
+ TestFree (ptr->mod_comment);
+ xf86conffree (ptr);
+}