From 709879ee56d31fe543a0ad882713bd4e3d17d2d2 Mon Sep 17 00:00:00 2001
From: dam <dam@gudinoff>
Date: Thu, 17 Aug 2023 20:28:47 +0100
Subject: Added kscurses and testing program.

---
 kscurses/queue.jai | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 kscurses/queue.jai

(limited to 'kscurses/queue.jai')

diff --git a/kscurses/queue.jai b/kscurses/queue.jai
new file mode 100644
index 0000000..86f5dc8
--- /dev/null
+++ b/kscurses/queue.jai
@@ -0,0 +1,57 @@
+Queue :: struct(Element_Type : Type) {
+	buffer : []Element_Type;
+	begin, count := 0;
+}
+pop :: (using queue : *Queue($Element_Type)) -> Element_Type, bool {
+	elem : Element_Type;
+	ok := true;
+	if count {
+		elem = buffer[begin];
+		begin += 1;
+		count -= 1;
+	} else {
+		ok = false;
+	}
+	return elem, ok;
+}
+get_space :: (using queue : *Queue($Element_Type), new_elements_count : int) {
+	if begin + count + new_elements_count <= buffer.count return;
+	if count <= begin && count + new_elements_count <= buffer.count {
+ 		memcpy(buffer.data, buffer.data + begin, size_of(Element_Type) * count);
+ 		begin = 0;
+	} else {
+		new_buf := NewArray(count + max(new_elements_count, count), Element_Type);
+		memcpy(new_buf.data, buffer.data + begin, count * size_of(Element_Type));
+		begin = 0;
+		array_free(buffer);
+		buffer = new_buf;
+	}
+}
+push :: (using queue : *Queue($Element_Type), element : Element_Type) {
+	get_space(queue, 1);
+	assert(begin + count + 1 <= buffer.count);
+	buffer[begin + count] = element;
+	count += 1;
+}
+deinit :: (using queue : *Queue($Element_Type)) {
+	array_free(buffer);
+	<<queue = .{};
+}
+for_expansion :: (queue : Queue, body : Code, flags : For_Flags) #expand {
+	for i : 0..queue.count-1 {
+		`it_index := i;
+		`it := queue.buffer[begin + i];
+
+		#insert body;
+	}
+}
+first :: (queue : Queue($Element_Type)) -> Element_Type, bool {
+	result : Element_Type;
+	if queue.count > 0 then result = queue.buffer[queue.begin];
+	return result, queue.count > 0;
+}
+last :: (using queue : Queue($Element_Type)) -> Element_Type, bool {
+	result : Element_Type;
+	if queue.count > 0 then result = queue.buffer[queue.begin + queue.count - 1];
+	return result, queue.count > 0;
+}
-- 
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