Diff: core/NyLPC_cPtrTbl.c

Revision:

12:efe841863fc8

Parent:

1:9f6a78395432

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/NyLPC_cPtrTbl.c	Sat Apr 20 05:03:57 2013 +0000
@@ -0,0 +1,107 @@
+/*********************************************************************************
+ * PROJECT: MiMic
+ * --------------------------------------------------------------------------------
+ *
+ * This file is part of MiMic
+ * Copyright (C)2011 Ryo Iizuka
+ *
+ * MiMic is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by　the Free Software Foundation, either version 3 of the　License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * For further information please contact.
+ *  http://nyatla.jp/
+ *  <airmail(at)ebony.plala.or.jp> or <nyatla(at)nyatla.jp>
+ *
+ *********************************************************************************/
+#include "NyLPC_cPtrTbl.h"
+
+void NyLPC_cPtrTbl_initialize(NyLPC_TcPtrTbl_t* i_inst,void** i_buf,NyLPC_TUInt16 i_size)
+{
+    i_inst->size=i_size;
+    i_inst->len=0;
+    i_inst->buf=i_buf;
+    memset(i_inst->buf,0,i_size*sizeof(void*));
+}
+void* NyLPC_cPtrTbl_get(NyLPC_TcPtrTbl_t* i_inst,NyLPC_TUInt16 i_index)
+{
+    return i_inst->buf[i_index];
+}
+
+void NyLPC_cPtrTbl_set(NyLPC_TcPtrTbl_t* i_inst,NyLPC_TUInt16 i_index,void* i_val)
+{
+    void** p=(i_inst->buf+i_index);
+    if(*p==NULL){
+        if(i_val!=NULL){
+            //投入
+            i_inst->len++;
+        }
+    }else{
+        if(i_val==NULL){
+            //消去
+            i_inst->len--;
+        }
+    }
+    //値を反映
+    *p=i_val;
+    return;
+}
+
+NyLPC_TInt16 NyLPC_cPtrTbl_add(NyLPC_TcPtrTbl_t* i_inst,void* i_val)
+{
+    int i;
+    void** p=i_inst->buf;
+
+    for(i=i_inst->size-1;i>=0;i--){
+        if(*(p+i)==NULL){
+            NyLPC_cPtrTbl_set(i_inst,i,i_val);
+            return i;
+        }
+    }
+    return -1;
+}
+
+/**
+ * i_indexの要素に、NULLをセットして削除します。
+ */
+void NyLPC_cPtrTbl_remove(NyLPC_TcPtrTbl_t* i_inst,NyLPC_TUInt16 i_index)
+{
+    NyLPC_cPtrTbl_set(i_inst,i_index,NULL);
+    return;
+}
+
+NyLPC_TInt16 NyLPC_cPtrTbl_getIndex(NyLPC_TcPtrTbl_t* i_inst,void* i_val)
+{
+    int i;
+    void** p=i_inst->buf;
+
+    for(i=i_inst->size-1;i>=0;i--){
+        if(*(p+i)==i_val){
+            return i;
+        }
+    }
+    return -1;
+}
+
+/**
+ * 現在の要素数を返します。
+ * この数は、テーブルに存在する有効なポインタの数です。
+ */
+NyLPC_TInt16 NyLPC_cPtrTbl_getLength(NyLPC_TcPtrTbl_t* i_inst)
+{
+    return i_inst->len;
+}
+
+NyLPC_TBool NyLPC_cPtrTbl_hasEmpty(NyLPC_TcPtrTbl_t* i_inst)
+{
+    return i_inst->len<i_inst->size;
+}