Worked on ZString, MString and JString

ZString.cpp

@@ -36,8 +36,12 @@ namespace coreutils {
 
    ZString::ZString(char *data, size_t length) : data(data), length(length), cursor(data) {}
 
+   ZString::ZString(unsigned char *data, size_t length) : data((char *)data), length(length), cursor((char *)data) {}
+
    ZString::ZString(const char *data, size_t length) : data((char *)data), length(length), cursor((char *)data) {}
 
+   ZString::ZString(const unsigned char *data, size_t length) : data((char *)data), length(length), cursor((char *)data) {}
+
    ZString::ZString(const ZString &zstring) {
       data = zstring.data;
       length = zstring.length;
@@ -326,7 +330,25 @@ namespace coreutils {
       }
       return ZString(temp, tempend - temp);
    }
-   
+
+   int ZString::find(ZString comparator) {
+      int count = 0;
+      char *temp = cursor;
+      char *temp2 = cursor;
+      while(!ifNext(comparator)) {
+         ++count;
+         ++cursor;
+         ++temp2;
+         if(cursor > (data + length)) {
+            cursor = temp;
+            count = 0;
+            break;
+         }
+      }
+      cursor = temp2;
+      return count;
+   }
+
    ZString ZString::readBlock(size_t size) {
       char *temp = cursor;
       cursor += size;
@@ -356,7 +378,7 @@ namespace coreutils {
       length = zstring.getLength();
       cursor = data;
    }
-   
+
    ZString ZString::parsed() {
       return ZString(data, cursor - data);
    }
@@ -380,10 +402,21 @@ namespace coreutils {
       if (*(data + length - 1) == '\r')
 	--length;
       if (cursor >= (data + length))
-	cursor = data + length;
+	     cursor = data + length;
       return len != length;
    }
-   
+
+   bool ZString::boolValue() {
+      if(this->equals("false"))
+        return false;
+      else if(this->equals("0"))
+        return false;
+      else if(this->equals(""))
+        return false;
+      return true;
+   }
+
+
    void ZString::nextChar() {
       if(!eod())
 	++cursor;