Added SDK

include/Ultralight/String32.h

@@ -0,0 +1,99 @@
+/**************************************************************************************************
+ *  This file is a part of Ultralight.                                                            *
+ *                                                                                                *
+ *  See <https://ultralig.ht> for licensing and more.                                             *
+ *                                                                                                *
+ *  (C) 2024 Ultralight, Inc.                                                                     *
+ **************************************************************************************************/
+#pragma once
+#include <Ultralight/Defines.h>
+#include <stddef.h>
+
+namespace ultralight {
+
+class String8;
+class String16;
+
+///
+/// A null-terminated UTF-32 string container.
+///
+class UExport String32 {
+public:
+  // Native character type
+  typedef char32_t CharType;
+
+  // Make an empty String32
+  String32();
+
+  // Make a String32 from raw UTF-32 string with certain length
+  String32(const char32_t* c_str, size_t len);
+
+  // Make a deep copy of String32
+  String32(const String32& other);
+
+  // Move constructor
+  String32(String32&& other);
+
+  // Destructor
+  ~String32();
+
+  // Assign a String32 to this one, deep copy is made
+  String32& operator=(const String32& other);
+
+  // Move assignment operator
+  String32& operator=(String32&& other);
+
+  // Append a String32 to this one.
+  String32& operator+=(const String32& other);
+
+  // Concatenation operator
+  inline friend String32 operator+(String32 lhs, const String32& rhs) { lhs += rhs; return lhs; }
+
+  // Get raw UTF-32 data
+  char32_t* data() { return data_; }
+
+  // Get raw UTF-32 data (const)
+  const char32_t* data() const { return data_; }
+
+  // Get length in characters.
+  size_t length() const { return length_; }
+
+  // Get size in characters (synonym for length)
+  size_t size() const { return length_; }
+
+  // Get size in bytes
+  size_t sizeBytes() const { return length_ * sizeof(char32_t); }
+
+  // Check if string is empty.
+  bool empty() const { return !data_ || length_ == 0; }
+
+  // Get character at specific position
+  char32_t& operator[](size_t pos) { return data_[pos]; }
+
+  // Get character at specific position (const)
+  const char32_t& operator[](size_t pos) const { return data_[pos]; }
+
+  // Get a UTF-8 copy of this string
+  String8 utf8() const;
+  
+  // Get a UTF-16 copy of this string
+  String16 utf16() const;
+
+  // Hash function
+  size_t Hash() const;
+
+  // Comparison operator
+  bool operator<(const String32& other) const;
+
+  // Equality operator
+  bool operator==(const String32& other) const;
+
+  // Inequality operator
+  bool operator!=(const String32& other) const;
+
+private:
+  char32_t* data_;
+  size_t length_;
+};
+
+}  // namespace ultralight