/*
* This file is part of DisOrder
- * Copyright (C) 2006 Richard Kettlewell
+ * Copyright (C) 2006, 2007 Richard Kettlewell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
+/** @file lib/selection.c
+ * @brief Select management for Disobedience
+ */
#include <config.h>
#include "types.h"
#include "hash.h"
#include "selection.h"
+/** @brief Create a new selection manager
+ * @return Pointer to @ref hash used to manage the selection
+ */
hash *selection_new(void) {
return hash_new(sizeof (int));
}
+/** @brief Add or remove a key in a selection
+ * @param h Hash representing selection
+ * @param key Key to insert
+ * @param selected non-0 if key is selected, 0 if it is not
+ *
+ * @p key is copied so the pointer need not remain valid. Newly selected keys
+ * are not marked as live.
+ */
void selection_set(hash *h, const char *key, int selected) {
if(selected)
hash_add(h, key, xmalloc_noptr(sizeof (int)), HASH_INSERT_OR_REPLACE);
hash_remove(h, key);
}
+/** @brief Test whether a key is set in a selection
+ * @param h Hash representing selection
+ * @param key Key to check
+ * @return non-0 if key is present, 0 if it is not
+ */
int selection_selected(hash *h, const char *key) {
return hash_find(h, key) != 0;
}
+/** @brief Invert a key's selection status
+ * @param h Hash representing selection
+ * @param key Key to flip
+ *
+ * If the key is selected as a result it is not marked as live.
+ */
void selection_flip(hash *h, const char *key) {
selection_set(h, key, !selection_selected(h, key));
}
+/** @brief Mark a selection key as live
+ * @param h Hash representing selection
+ * @param key Key to mark as live
+ *
+ * Live keys will survive a call to selection_cleanup(). @p need not be in the
+ * selection (if it is not then the call will be ignored).
+ */
void selection_live(hash *h, const char *key) {
int *ptr = hash_find(h, key);
return 0;
}
+/** @brief Delete all non-live keys from a selection
+ * @param h Hash representing selection
+ *
+ * See selection_live().
+ */
void selection_cleanup(hash *h) {
hash_foreach(h, selection_cleanup_callback, h);
}
return 0;
}
+/** @brief Remove all keys from a selection
+ * @param h Hash representing selection
+ */
void selection_empty(hash *h) {
hash_foreach(h, selection_empty_callback, h);
}
/*
* This file is part of DisOrder
- * Copyright (C) 2006 Richard Kettlewell
+ * Copyright (C) 2006, 2007 Richard Kettlewell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
+/** @file lib/selection.c
+ * @brief Select management for Disobedience
+ */
#ifndef SELECTION_H
#define SELECTION_H
#include "signame.h"
#include "cache.h"
#include "filepart.h"
+#include "hash.h"
+#include "selection.h"
static int tests, errors;
static int fail_first;
check_string(extension("./foo.c"), ".c");
}
+static void test_selection(void) {
+ hash *h;
+ fprintf(stderr, "test_selection\n");
+ insist((h = selection_new()) != 0);
+ selection_set(h, "one", 1);
+ selection_set(h, "two", 1);
+ selection_set(h, "three", 0);
+ selection_set(h, "four", 1);
+ insist(selection_selected(h, "one") == 1);
+ insist(selection_selected(h, "two") == 1);
+ insist(selection_selected(h, "three") == 0);
+ insist(selection_selected(h, "four") == 1);
+ insist(selection_selected(h, "five") == 0);
+ insist(hash_count(h) == 3);
+ selection_flip(h, "one");
+ selection_flip(h, "three");
+ insist(selection_selected(h, "one") == 0);
+ insist(selection_selected(h, "three") == 1);
+ insist(hash_count(h) == 3);
+ selection_live(h, "one");
+ selection_live(h, "two");
+ selection_live(h, "three");
+ selection_cleanup(h);
+ insist(selection_selected(h, "one") == 0);
+ insist(selection_selected(h, "two") == 1);
+ insist(selection_selected(h, "three") == 1);
+ insist(selection_selected(h, "four") == 0);
+ insist(selection_selected(h, "five") == 0);
+ insist(hash_count(h) == 2);
+ selection_empty(h);
+ insist(selection_selected(h, "one") == 0);
+ insist(selection_selected(h, "two") == 0);
+ insist(selection_selected(h, "three") == 0);
+ insist(selection_selected(h, "four") == 0);
+ insist(selection_selected(h, "five") == 0);
+ insist(hash_count(h) == 0);
+}
+
int main(void) {
fail_first = !!getenv("FAIL_FIRST");
insist('\n' == 0x0A);
test_signame();
/* cache.c */
test_cache();
+ /* selection.c */
+ test_selection();
fprintf(stderr, "%d errors out of %d tests\n", errors, tests);
return !!errors;
}