初始提交: UE5.3项目基础框架

Plugins/CesiumForUnreal/Source/ThirdParty/include/CesiumAsync/HttpHeaders.h

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+#pragma once
+
+#include <map>
+#include <string>
+
+namespace CesiumAsync {
+
+/**
+ * @brief A case-insensitive `less-then` string comparison.
+ *
+ * This can be used as a `Compare` function, for example for a `std::map`.
+ * It will compare strings case-insensitively, by converting them to
+ * lower-case and comparing the results (leaving the exact behavior for
+ * non-ASCII strings unspecified).
+ */
+struct CaseInsensitiveCompare {
+  /** @brief Performs a case-insensitive comparison of the two strings using
+   * `std::lexicographical_compare`. */
+  bool operator()(const std::string& s1, const std::string& s2) const;
+};
+
+/**
+ * @brief Http Headers that maps case-insensitive header key with header value.
+ */
+using HttpHeaders = std::map<std::string, std::string, CaseInsensitiveCompare>;
+} // namespace CesiumAsync