new AppendNumber method

src/lib/charbuf.cpp

@@ -185,8 +185,7 @@ bool CharBuffer::IsEmpty() const
             return false;
 
         i++;
-    }
-    while (i != ptr);
+    } while (i != ptr);
 
     return true;
 }
@@ -209,8 +208,7 @@ bool CharBuffer::Contains(const char c) const
             return true;
 
         i++;
-    }
-    while (i != ptr);
+    } while (i != ptr);
 
     return false;
 }
@@ -237,7 +235,8 @@ void CharBuffer::Copy(CharBuffer* source)
 
     ptr = buf;
     // ReSharper disable once CppPossiblyErroneousEmptyStatements
-    while ((*ptr++ = *s++));
+    while ((*ptr++ = *s++))
+        ;
 
     ptr--;
 }
@@ -262,11 +261,46 @@ void CharBuffer::Append(const char c, unsigned int count)
 void CharBuffer::Append(const char *source)
 {
     // ReSharper disable once CppPossiblyErroneousEmptyStatements
-    while ((*ptr++ = *source++));
+    while ((*ptr++ = *source++))
+        ;
 
     ptr--;
 }
 
+void CharBuffer::AppendNumber(signed long value)
+{
+    static const char *alphaNumerics = "0123456789";
+    unsigned int count = 0;
+    unsigned long current = value;
+    char chars[12];
+    char *p = chars;
+    bool negative = false;
+
+    if (value < 0)
+    {
+        current = -value;
+        negative = true;
+    }
+
+    do
+    {
+        unsigned long remainder = current % 10;
+        *p++ = alphaNumerics[remainder];
+        current /= 10;
+        count++;
+    } while (current >= 1);
+
+    p--;
+
+    if (negative)
+    {
+        *ptr++ = '-';
+    }
+
+    while (count-- != 0)
+        *ptr++ = *p--;
+}
+
 bool CharBuffer::RemoveTrailing(const char c)
 {
     if (ptr == buf)
@@ -308,3 +342,16 @@ char* CharBuffer::GetString() const
     *ptr = '\0';
     return buf;
 }
+
+void CharBuffer::CopyTo(char *string)
+{
+    char *q = buf;
+    char *p = string;
+
+    *ptr = '\0';
+
+    while ((*p++ = *q++))
+        ;
+
+    *p = '\0';
+}

src/lib/charbuf.h

@@ -69,11 +69,14 @@ public:
     void Append(const char* source);
     void Append(const char c);
     void Append(const char c, unsigned int count);
+    void AppendNumber(signed long value);
 
     void DeleteLastChar();
     bool RemoveTrailing(const char c);
     bool RemoveTrailing(const char* string);
     char* GetString() const;
+    void CopyTo(char *string);
+
 
 private:
     friend class AnsiConoleEngine;