1 files changed, 44 insertions, 0 deletions
diff --git a/src/textoutput.hpp b/src/textoutput.hpp
new file mode 100644
index 0000000..7ef12fa
--- /dev/null
+++ b/src/textoutput.hpp
@@ -0,0 +1,44 @@
+#ifndef TEXTOUTPUT_HPP
+#define TEXTOUTPUT_HPP
+
+class TextOutput
+{
+public:
+    virtual void write(char c) noexcept = 0;
+
+    void write(const char *s) noexcept {
+        if (s) {
+            while (*s)
+                write(*s++);
+        }
+    }
+
+    void write(int n) noexcept {
+        char buf[32];
+        auto ptr = buf + sizeof(buf);
+
+        *--ptr = '\0';
+        do {
+            *--ptr = "0123456789"[n % 10];
+            n /= 10;
+        } while (n);
+
+        write(ptr);
+    }
+
+    void write(unsigned n) noexcept {
+        char buf[32];
+        auto ptr = buf + sizeof(buf);
+
+        *--ptr = '\0';
+        do {
+            *--ptr = "0123456789"[n % 10];
+            n /= 10;
+        } while (n);
+
+        write(ptr);
+    }
+};
+
+#endif // TEXTOUTPUT_HPP
+