From a90467d4be3bcf91cab299b4521bf5f762abb1d5 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Sun, 9 May 2010 09:30:29 +0000
Subject: added the scheme branch

---
 src/data/queue.h | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 src/data/queue.h

(limited to 'src/data/queue.h')

diff --git a/src/data/queue.h b/src/data/queue.h
new file mode 100644
index 0000000..227ce29
--- /dev/null
+++ b/src/data/queue.h
@@ -0,0 +1,81 @@
+/*:*
+ *: File: ./src/data/queue.h
+ *: A simple Fype interpreter
+ *:
+ *: WWW: http://fype.buetow.org
+ *: AUTHOR: http://paul.buetow.org
+ *: E-Mail: fype at dev.buetow.org
+ *:
+ *: The Fype Language; (c) 2005 - 2010 - Dipl.-Inform. (FH) Paul C. Buetow
+ *:
+ *: Redistribution and use in source and binary forms, with or without modi-
+ *: fication, are permitted provided that the following conditions are met:
+ *:  * Redistributions of source code must retain the above copyright
+ *:    notice, this list of conditions and the following disclaimer.
+ *:  * Redistributions in binary form must reproduce the above copyright
+ *:    notice, this list of conditions and the following disclaimer in the
+ *:    documentation and/or other materials provided with the distribution.
+ *:  * Neither the name of buetow.org nor the names of its contributors may
+ *:    be used to endorse or promote products derived from this software
+ *:    without specific prior written permission.
+ *:
+ *: THIS SOFTWARE IS PROVIDED BY PAUL C. BUETOW AS IS'' AND ANY EXPRESS OR
+ *: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ *: WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *: DISCLAIMED. IN NO EVENT SHALL PAUL C. BUETOW BE LIABLE FOR ANY DIRECT,
+ *: INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ *: (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *:  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ *: STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ *: IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ *: POSSIBILITY OF SUCH DAMAGE.
+ *:*/
+
+#ifndef QUEUE_H
+#define QUEUE_H
+
+#include "types.h"
+
+typedef struct QueueElem_ {
+   struct QueueElem_ *p_next;
+   void *p_val;
+   TYPE type;
+} QueueElem;
+
+typedef struct {
+   QueueElem *p_first;
+   QueueElem *p_last;
+   unsigned i_size;
+} Queue;
+
+typedef struct {
+   unsigned i_left;
+   Queue *p_queue;
+   QueueElem *p_current;
+   QueueElem *p_next;
+} QueueIter;
+
+Queue *queue_new();
+QueueElem *queueelem_new();
+QueueElem *queueelem_new_t(TYPE type);
+_Bool queue_empty(Queue *p_queue);
+void queue_push(Queue *p_queue, void *p_val);
+void queue_push_t(Queue *p_queue, void *p_val, TYPE type);
+void *queue_pop(Queue *p_queue);
+void *queue_pop_t(Queue *p_queue, TYPE *p_type);
+void queue_clear(Queue *p_queue);
+void queue_delete(Queue *p_queue);
+unsigned queue_size(Queue *p_queue);
+void queue_iterate(Queue *p_queue, void (*func)(void *));
+void queue_iterate_t(Queue *p_queue, void (*func)(void *, TYPE));
+void queue_iterate_tl(Queue *p_queue, void (*func)(void *, TYPE, _Bool));
+
+QueueIter *queueiter_new(Queue *p_queue);
+void queueiter_delete(QueueIter *p_iter);
+void *queueiter_next(QueueIter *p_iter);
+void *queueiter_next_t(QueueIter *p_iter, TYPE *p_type);
+unsigned queueiter_left(QueueIter *p_iter);
+Queue *queueiter_queue(QueueIter *p_iter);
+
+#endif
-- 
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