Diff: text_history.h

Revision:

0:7147d6024de8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/text_history.h	Sun May 22 02:51:35 2011 +0000
@@ -0,0 +1,65 @@
+/**
+ * @file text_history.h
+ * @author Shinichiro Nakamura
+ * @brief NT-Shell用テキストヒストリモジュールの定義。
+ * @details
+ * 文字列の入力履歴を論理的に扱うためのモジュール。
+ * このモジュールはビューに関して一切感知しない。
+ */
+
+/*
+ * ===============================================================
+ *  Natural Tiny Shell (NT-Shell)
+ *  Version 0.0.6
+ * ===============================================================
+ * Copyright (c) 2010-2011 Shinichiro Nakamura
+ *
+ * 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 AUTHORS OR COPYRIGHT
+ * HOLDERS 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.
+ * ===============================================================
+ */
+
+#ifndef TEXT_HISTORY_H
+#define TEXT_HISTORY_H
+
+#define TEXTHISTORY_MAXLEN 64   /**< テキストヒストリあたりの最大文字列長。 */
+#define TEXTHISTORY_DEPTH 8     /**< テキストヒストリのヒストリ数。 */
+
+/**
+ * @brief テキストヒストリ構造体。
+ */
+typedef struct {
+    char history[TEXTHISTORY_MAXLEN * TEXTHISTORY_DEPTH];
+    int rp;
+    int wp;
+} text_history_t;
+
+void text_history_init(text_history_t *p);
+int text_history_write(text_history_t *p, char *buf);
+int text_history_read(text_history_t *p, char *buf, const int siz);
+int text_history_read_point_next(text_history_t *p);
+int text_history_read_point_prev(text_history_t *p);
+int text_history_find(text_history_t *p,
+        const int index, const char *text,
+        char *buf, const int siz);
+
+#endif
+