forgot a file

Author: jube

include/gf2/core/ZString.h

@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: Zlib
+// Copyright (c) 2023-2025 Julien Bernard
+#ifndef GF_Z_STRING_H
+#define GF_Z_STRING_H
+
+#include <cassert>
+
+#include <string>
+#include <string_view>
+
+namespace gf {
+
+  class ZString {
+  public:
+    constexpr ZString() = default;
+
+    constexpr ZString(const char* string)
+    : m_data(string)
+    , m_size(string == nullptr ? 0 : std::char_traits<char>::length(string))
+    {
+    }
+
+    constexpr bool empty() const
+    {
+      return m_size == 0;
+    }
+
+    constexpr std::size_t size() const
+    {
+      return m_size;
+    }
+
+    constexpr const char* data() const
+    {
+      return m_data;
+    }
+
+    constexpr const char* c_str() const
+    {
+      return m_data;
+    }
+
+    constexpr const char* begin() const
+    {
+      return m_data;
+    }
+
+    constexpr const char* end() const
+    {
+      return m_data + m_size;
+    }
+
+    constexpr char operator[](std::size_t index) const
+    {
+      assert(index < m_size);
+      return m_data[index];
+    }
+
+    constexpr operator std::string_view() const
+    {
+      return { m_data, m_size };
+    }
+
+    std::string to_string() const
+    {
+      return { m_data, m_size };
+    }
+
+  private:
+    const char* m_data = nullptr;
+    std::size_t m_size = 0;
+  };
+
+}
+
+#endif // GF_Z_STRING_H

library/core/ZString.cc

@@ -0,0 +1,4 @@
+// SPDX-License-Identifier: Zlib
+// Copyright (c) 2023-2025 Julien Bernard
+
+#include <gf2/core/ZString.h>