Revision 0:058192932ad2, committed 2015-06-11

Comitter:

AkinoriHashimoto

Date:

Thu Jun 11 01:50:08 2015 +0000

Child:

1:7c89cd414311

Commit message:

string library.; I2A, A2I, compare.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/StrLib.cpp	Thu Jun 11 01:50:08 2015 +0000
@@ -0,0 +1,59 @@
+#include "StrLib.h"
+
+long A2I(string str, int base)   // Error; rtn '-1'
+{
+    long ans= 0, tmp= 0;
+    int leng= str.size();   // String Length;
+    char chr[1];
+    for(int i=0; i<leng; i++) {
+        // string -> char
+        strcpy(chr, str.substr((leng-1)-i, 1).c_str());
+
+        if('0'<=chr[0] && '9'>=chr[0])
+            tmp= chr[0]-'0';
+        else if('A'<=chr[0] && 'F'>=chr[0])
+            tmp= chr[0]-'A'+0x0A;   // ex. C=12= 2(C-A)+ 10(0x0A)
+        else if('a'<=chr[0] && 'f'>=chr[0])
+            tmp= chr[0]-'a'+0x0A;
+        else
+            return -1;
+//        UART_BT.printf("%s;%d\n", chr[0], tmp);
+        ans+= tmp* (int)pow((double)base,(double)i);
+//        UART_BT.printf("ans%d\n", ans);
+    }
+    return ans;
+}
+string I2A(int num, int base, int digitNum)
+{
+    char tmpChr[33];
+    string format= "%";
+
+    // Digit Num.
+    if(digitNum > 0) {  // 0以外
+        char tmp[1];
+        tmp[0]= '0'+ digitNum;
+        format += tmp[0];
+        format += ".";
+        format += tmp[0];   // +でつなげると、charの和（オーバーフロー）起こす。
+    }
+
+    if(base== 8)
+        format += "o";
+    if(base==10)
+        format += "d";
+    if(base==16)
+        format += "x";
+//    log_BTSD(format);
+
+    sprintf(tmpChr, format.c_str(), num);
+    string tmpStr= tmpChr;
+    return tmpStr;
+}
+
+bool strCompare(string trg, string cmp, int idx)
+{
+    int id= trg.find(cmp, idx);
+    if(id == string::npos)
+        return false;
+    return id == idx;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/StrLib.h	Thu Jun 11 01:50:08 2015 +0000
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "mbed.h"
+#include <string>
+// class化しないとダメなんだけど。。。
+
+/** String -> long
+ * @param   string target(str), int Base(8Oct, 10Dec, 16Hex)
+ * @return  long int
+*/
+long   A2I(string, int);           // Ascii → Intへ変換する関数。
+
+/** int -> string
+ * @param   int target(num), int Base(8Oct, 10Dec, 16Hex), int Number of digit
+ * @return  string str
+*/
+string I2A(int num, int base= 10, int digitNum= 0);   // 標準引数
+
+/** string Compare
+ * @param   string target, string cmp, int index in target
+ * @return  bool
+*/
+bool strCompare(string trg, string cmp, int idx);   // trg内にcmpが存在する位置がidxか判定。