From d9f287586635a401b8d6a80614bee6dbebe2f18c Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Fri, 15 Feb 2013 18:48:36 +0900
Subject: Replace layer_stack with layer_switch

---
 common/layer_stack.c | 108 ---------------------------------------------------
 1 file changed, 108 deletions(-)
 delete mode 100644 common/layer_stack.c

(limited to 'common/layer_stack.c')

diff --git a/common/layer_stack.c b/common/layer_stack.c
deleted file mode 100644
index 0076bf7795..0000000000
--- a/common/layer_stack.c
+++ /dev/null
@@ -1,108 +0,0 @@
-#include <stdint.h>
-#include "keyboard.h"
-#include "layer_stack.h"
-#include "debug.h"
-
-
-static uint8_t top_layer = 0;
-
-/* [0] always works as sentinel and not used for store.*/
-static layer_item_t layer_stack[LAYER_STACK_SIZE] = {};
-
-
-void layer_stack_clear(void)
-{
-    for (uint8_t i = 0; i < LAYER_STACK_SIZE; i++) {
-        layer_stack[i] = (layer_item_t){ .layer = 0,
-                                         .next = 0,
-                                         .used = false };
-    }
-}
-
-bool layer_stack_push(uint8_t layer)
-{
-    for (uint8_t i = 1; i < LAYER_STACK_SIZE; i++) {
-        if (!layer_stack[i].used) {
-            layer_stack[i] = (layer_item_t){ .layer = layer,
-                                             .next = top_layer,
-                                             .used = true };
-            top_layer = i;
-            return true;
-        }
-    }
-    return false;
-}
-
-bool layer_stack_pop(void)
-{
-    if (layer_stack[top_layer].used) {
-        uint8_t popped = top_layer;
-        top_layer = layer_stack[popped].next;
-        layer_stack[popped] = (layer_item_t){};
-        return true;
-    }
-    return false;
-}
-
-bool layer_stack_remove(uint8_t layer)
-{
-    if (layer_stack[top_layer].used && layer_stack[top_layer].layer == layer) {
-        layer_stack_pop();
-        debug("layer_stack_remove: top_layer\n");
-        return true;
-    }
-
-    for (uint8_t i = top_layer; layer_stack[i].used; i = layer_stack[i].next) {
-        debug("layer_stack_remove: ["); debug_dec(i); debug("]");
-        debug_dec(layer_stack[i].layer); debug("\n");
-        uint8_t removed = layer_stack[i].next;
-        if (layer_stack[removed].used && layer_stack[removed].layer == layer) {
-            layer_stack[i].next = layer_stack[removed].next;
-            layer_stack[removed] = (layer_item_t){};
-            debug("layer_stack_remove: removed.\n");
-            return true;
-        }
-    }
-    return false;
-}
-
-bool layer_stack_remove_then_push(uint8_t layer)
-{
-    layer_stack_remove(layer);
-    return layer_stack_push(layer);
-}
-
-bool layer_stack_remove_or_push(uint8_t layer)
-{
-    return (layer_stack_remove(layer)) || layer_stack_push(layer);
-}
-
-void layer_stack_debug(void)
-{
-    debug("layer_stack: ");
-    layer_item_t item = layer_stack[top_layer];
-    while (item.used) {
-        debug_dec(item.layer);
-        debug("["); debug_dec(item.next); debug("] ");
-        item = layer_stack[item.next];
-    }
-    debug("\n");
-}
-
-action_t layer_stack_get_action(key_t key)
-{
-    action_t action;
-    action.code = ACTION_TRANSPARENT;
-
-    /* layer stack */
-    for (layer_item_t i = layer_stack[top_layer]; i.used; i = layer_stack[i.next]) {
-        action = action_for_key(i.layer, key);
-        if (action.code != ACTION_TRANSPARENT) {
-            layer_stack_debug();
-            debug("layer_stack: used. "); debug_dec(i.layer); debug("\n");
-            return action;
-        }
-        debug("layer_stack: through. "); debug_dec(i.layer); debug("\n");
-    }
-    return action;
-}
-- 
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