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Diffstat (limited to 'src/XF86Config-parser/Flags.c')
-rw-r--r--src/XF86Config-parser/Flags.c560
1 files changed, 560 insertions, 0 deletions
diff --git a/src/XF86Config-parser/Flags.c b/src/XF86Config-parser/Flags.c
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+++ b/src/XF86Config-parser/Flags.c
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+/*
+ *
+ * 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) 1997-2003 by The XFree86 Project, Inc.
+ *
+ * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 copyright holder(s)
+ * and author(s) 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 copyright holder(s) and author(s).
+ */
+
+
+/* View/edit this file with tab stops set to 4 */
+
+#include "xf86Parser.h"
+#include "xf86tokens.h"
+#include "Configint.h"
+#include <math.h>
+
+extern LexRec val;
+
+static XConfigSymTabRec ServerFlagsTab[] =
+{
+ {ENDSECTION, "endsection"},
+ {NOTRAPSIGNALS, "notrapsignals"},
+ {DONTZAP, "dontzap"},
+ {DONTZOOM, "dontzoom"},
+ {DISABLEVIDMODE, "disablevidmodeextension"},
+ {ALLOWNONLOCAL, "allownonlocalxvidtune"},
+ {DISABLEMODINDEV, "disablemodindev"},
+ {MODINDEVALLOWNONLOCAL, "allownonlocalmodindev"},
+ {ALLOWMOUSEOPENFAIL, "allowmouseopenfail"},
+ {OPTION, "option"},
+ {BLANKTIME, "blanktime"},
+ {STANDBYTIME, "standbytime"},
+ {SUSPENDTIME, "suspendtime"},
+ {OFFTIME, "offtime"},
+ {DEFAULTLAYOUT, "defaultserverlayout"},
+ {-1, ""},
+};
+
+#define CLEANUP xconfigFreeFlags
+
+XConfigFlagsPtr
+xconfigParseFlagsSection (void)
+{
+ int token;
+ PARSE_PROLOGUE (XConfigFlagsPtr, XConfigFlagsRec)
+
+ while ((token = xconfigGetToken (ServerFlagsTab)) != ENDSECTION)
+ {
+ int hasvalue = FALSE;
+ int strvalue = FALSE;
+ int tokentype;
+ switch (token)
+ {
+ case COMMENT:
+ ptr->comment = xconfigAddComment(ptr->comment, val.str);
+ break;
+ /*
+ * these old keywords are turned into standard generic options.
+ * we fall through here on purpose
+ */
+ case DEFAULTLAYOUT:
+ strvalue = TRUE;
+ case BLANKTIME:
+ case STANDBYTIME:
+ case SUSPENDTIME:
+ case OFFTIME:
+ hasvalue = TRUE;
+ case NOTRAPSIGNALS:
+ case DONTZAP:
+ case DONTZOOM:
+ case DISABLEVIDMODE:
+ case ALLOWNONLOCAL:
+ case DISABLEMODINDEV:
+ case MODINDEVALLOWNONLOCAL:
+ case ALLOWMOUSEOPENFAIL:
+ {
+ int i = 0;
+ while (ServerFlagsTab[i].token != -1)
+ {
+ char *tmp;
+
+ if (ServerFlagsTab[i].token == token)
+ {
+ char *valstr = NULL;
+ /* can't use strdup because it calls malloc */
+ tmp = xconfigStrdup (ServerFlagsTab[i].name);
+ if (hasvalue)
+ {
+ tokentype = xconfigGetSubToken(&(ptr->comment));
+ if (strvalue) {
+ if (tokentype != STRING)
+ Error (QUOTE_MSG, tmp);
+ valstr = val.str;
+ } else {
+ if (tokentype != NUMBER)
+ Error (NUMBER_MSG, tmp);
+ valstr = malloc(16);
+ if (valstr)
+ sprintf(valstr, "%d", val.num);
+ }
+ }
+ ptr->options = xconfigAddNewOption
+ (ptr->options, tmp, valstr);
+ }
+ i++;
+ }
+ }
+ break;
+ case OPTION:
+ ptr->options = xconfigParseOption(ptr->options);
+ break;
+
+ case EOF_TOKEN:
+ Error (UNEXPECTED_EOF_MSG, NULL);
+ break;
+ default:
+ Error (INVALID_KEYWORD_MSG, xconfigTokenString ());
+ break;
+ }
+ }
+
+ return ptr;
+}
+
+#undef CLEANUP
+
+void
+xconfigPrintServerFlagsSection (FILE * f, XConfigFlagsPtr flags)
+{
+ XConfigOptionPtr p;
+
+ if ((!flags) || (!flags->options))
+ return;
+ p = flags->options;
+ fprintf (f, "Section \"ServerFlags\"\n");
+ if (flags->comment)
+ fprintf (f, "%s", flags->comment);
+ xconfigPrintOptionList(f, p, 1);
+ fprintf (f, "EndSection\n\n");
+}
+
+static XConfigOptionPtr
+addNewOption2 (XConfigOptionPtr head, char *name, char *val, int used)
+{
+ XConfigOptionPtr new, old = NULL;
+
+ /* Don't allow duplicates */
+ if (head != NULL && (old = xconfigFindOption(head, name)) != NULL) {
+ TEST_FREE(old->name);
+ TEST_FREE(old->val);
+ new = old;
+ } else {
+ new = calloc (1, sizeof (XConfigOptionRec));
+ new->next = NULL;
+ }
+ new->name = name;
+ new->val = val;
+ new->used = used;
+
+ if (old == NULL)
+ return ((XConfigOptionPtr) xconfigAddListItem ((GenericListPtr) head,
+ (GenericListPtr) new));
+ else
+ return head;
+}
+
+XConfigOptionPtr
+xconfigAddNewOption (XConfigOptionPtr head, char *name, char *val)
+{
+ return addNewOption2(head, name, val, 0);
+}
+
+void
+xconfigFreeFlags (XConfigFlagsPtr flags)
+{
+ if (flags == NULL)
+ return;
+ xconfigOptionListFree (flags->options);
+ TEST_FREE(flags->comment);
+ free (flags);
+}
+
+XConfigOptionPtr
+xconfigOptionListDup (XConfigOptionPtr opt)
+{
+ XConfigOptionPtr newopt = NULL;
+
+ while (opt)
+ {
+ newopt = xconfigAddNewOption(newopt, xconfigStrdup(opt->name),
+ xconfigStrdup(opt->val));
+ newopt->used = opt->used;
+ if (opt->comment)
+ newopt->comment = xconfigStrdup(opt->comment);
+ opt = opt->next;
+ }
+ return newopt;
+}
+
+void
+xconfigOptionListFree (XConfigOptionPtr opt)
+{
+ XConfigOptionPtr prev;
+
+ while (opt)
+ {
+ TEST_FREE (opt->name);
+ TEST_FREE (opt->val);
+ TEST_FREE (opt->comment);
+ prev = opt;
+ opt = opt->next;
+ free (prev);
+ }
+}
+
+char *
+xconfigOptionName(XConfigOptionPtr opt)
+{
+ if (opt)
+ return opt->name;
+ return 0;
+}
+
+char *
+xconfigOptionValue(XConfigOptionPtr opt)
+{
+ if (opt)
+ return opt->val;
+ return 0;
+}
+
+XConfigOptionPtr
+xconfigNewOption(char *name, char *value)
+{
+ XConfigOptionPtr opt;
+
+ opt = calloc(1, sizeof (XConfigOptionRec));
+ if (!opt)
+ return NULL;
+
+ opt->used = 0;
+ opt->next = 0;
+ opt->name = name;
+ opt->val = value;
+
+ return opt;
+}
+
+XConfigOptionPtr
+xconfigRemoveOption(XConfigOptionPtr list, XConfigOptionPtr opt)
+{
+ XConfigOptionPtr prev = NULL;
+ XConfigOptionPtr p = list;
+
+ while (p) {
+ if (p == opt) {
+ if (prev) prev->next = opt->next;
+ if (list == opt) list = opt->next;
+
+ TEST_FREE(opt->name);
+ TEST_FREE(opt->val);
+ TEST_FREE(opt->comment);
+ free(opt);
+ break;
+ }
+ prev = p;
+ p = p->next;
+ }
+
+ return list;
+}
+
+XConfigOptionPtr
+xconfigNextOption(XConfigOptionPtr list)
+{
+ if (!list)
+ return NULL;
+ return list->next;
+}
+
+/*
+ * this function searches the given option list for the named option and
+ * returns a pointer to the option rec if found. If not found, it returns
+ * NULL
+ */
+
+XConfigOptionPtr
+xconfigFindOption (XConfigOptionPtr list, const char *name)
+{
+ while (list)
+ {
+ if (xconfigNameCompare (list->name, name) == 0)
+ return (list);
+ list = list->next;
+ }
+ return (NULL);
+}
+
+/*
+ * this function searches the given option list for the named option. If
+ * found and the option has a parameter, a pointer to the parameter is
+ * returned. If the option does not have a parameter an empty string is
+ * returned. If the option is not found, a NULL is returned.
+ */
+
+char *
+xconfigFindOptionValue (XConfigOptionPtr list, const char *name)
+{
+ XConfigOptionPtr p = xconfigFindOption (list, name);
+
+ if (p)
+ {
+ if (p->val)
+ return (p->val);
+ else
+ return "";
+ }
+ return (NULL);
+}
+
+/*
+ * this function searches the given option list for the named option. If
+ * found and the the value of the option is set to "1", "ON", "YES" or
+ * "TRUE", 1 is returned. Otherwise, 0 is returned.
+ */
+
+int
+xconfigFindOptionBoolean (XConfigOptionPtr list, const char *name)
+{
+ XConfigOptionPtr p = xconfigFindOption (list, name);
+
+ if (p && p->val)
+ {
+ if ( strcasecmp(p->val, "1") == 0 ||
+ strcasecmp(p->val, "ON") == 0 ||
+ strcasecmp(p->val, "YES") == 0 ||
+ strcasecmp(p->val, "TRUE") == 0 )
+ {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+XConfigOptionPtr
+xconfigOptionListCreate( const char **options, int count, int used )
+{
+ XConfigOptionPtr p = NULL;
+ char *t1, *t2;
+ int i;
+
+ if (count == -1)
+ {
+ for (count = 0; options[count]; count++)
+ ;
+ }
+ if( (count % 2) != 0 )
+ {
+ xconfigErrorMsg(InternalErrorMsg, "xconfigOptionListCreate: count must "
+ "be an even number.\n");
+ return (NULL);
+ }
+ for (i = 0; i < count; i += 2)
+ {
+ /* can't use strdup because it calls malloc */
+ t1 = malloc (sizeof (char) *
+ (strlen (options[i]) + 1));
+ strcpy (t1, options[i]);
+ t2 = malloc (sizeof (char) *
+ (strlen (options[i + 1]) + 1));
+ strcpy (t2, options[i + 1]);
+ p = addNewOption2 (p, t1, t2, used);
+ }
+
+ return (p);
+}
+
+/* the 2 given lists are merged. If an option with the same name is present in
+ * both, the option from the user list - specified in the second argument -
+ * is used. The end result is a single valid list of options. Duplicates
+ * are freed, and the original lists are no longer guaranteed to be complete.
+ */
+XConfigOptionPtr
+xconfigOptionListMerge (XConfigOptionPtr head, XConfigOptionPtr tail)
+{
+ XConfigOptionPtr a, b, ap = NULL, bp = NULL;
+
+ a = tail;
+ b = head;
+ while (tail && b) {
+ if (xconfigNameCompare (a->name, b->name) == 0) {
+ if (b == head)
+ head = a;
+ else
+ bp->next = a;
+ if (a == tail)
+ tail = a->next;
+ else
+ ap->next = a->next;
+ a->next = b->next;
+ b->next = NULL;
+ xconfigOptionListFree (b);
+ b = a->next;
+ bp = a;
+ a = tail;
+ ap = NULL;
+ } else {
+ ap = a;
+ if (!(a = a->next)) {
+ a = tail;
+ bp = b;
+ b = b->next;
+ ap = NULL;
+ }
+ }
+ }
+
+ if (head) {
+ for (a = head; a->next; a = a->next)
+ ;
+ a->next = tail;
+ } else
+ head = tail;
+
+ return (head);
+}
+
+char *
+xconfigULongToString(unsigned long i)
+{
+ char *s;
+ int l;
+
+ l = (int)(ceil(log10((double)i) + 2.5));
+ s = malloc(l);
+ if (!s)
+ return NULL;
+ sprintf(s, "%lu", i);
+ return s;
+}
+
+XConfigOptionPtr
+xconfigParseOption(XConfigOptionPtr head)
+{
+ XConfigOptionPtr option, cnew, old;
+ char *name, *comment = NULL;
+ int token;
+
+ if ((token = xconfigGetSubToken(&comment)) != STRING) {
+ xconfigErrorMsg(ParseErrorMsg, BAD_OPTION_MSG);
+ if (comment)
+ free(comment);
+ return (head);
+ }
+
+ name = val.str;
+ if ((token = xconfigGetSubToken(&comment)) == STRING) {
+ option = xconfigNewOption(name, val.str);
+ option->comment = comment;
+ if ((token = xconfigGetToken(NULL)) == COMMENT)
+ option->comment = xconfigAddComment(option->comment, val.str);
+ else
+ xconfigUnGetToken(token);
+ }
+ else {
+ option = xconfigNewOption(name, NULL);
+ option->comment = comment;
+ if (token == COMMENT)
+ option->comment = xconfigAddComment(option->comment, val.str);
+ else
+ xconfigUnGetToken(token);
+ }
+
+ old = NULL;
+
+ /* Don't allow duplicates */
+ if (head != NULL && (old = xconfigFindOption(head, name)) != NULL) {
+ cnew = old;
+ free(option->name);
+ TEST_FREE(option->val);
+ TEST_FREE(option->comment);
+ free(option);
+ }
+ else
+ cnew = option;
+
+ if (old == NULL)
+ return ((XConfigOptionPtr)xconfigAddListItem((GenericListPtr)head,
+ (GenericListPtr)cnew));
+
+ return (head);
+}
+
+void
+xconfigPrintOptionList(FILE *fp, XConfigOptionPtr list, int tabs)
+{
+ int i;
+
+ if (!list)
+ return;
+ while (list) {
+ for (i = 0; i < tabs; i++)
+ fprintf(fp, " ");
+ if (list->val)
+ fprintf(fp, "Option \"%s\" \"%s\"", list->name, list->val);
+ else
+ fprintf(fp, "Option \"%s\"", list->name);
+ if (list->comment)
+ fprintf(fp, "%s", list->comment);
+ else
+ fputc('\n', fp);
+ list = list->next;
+ }
+}
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