Add project files

source/BreezeCore/include/breeze/Presets.hpp

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+#pragma once
+
+#include <optional>
+#include <string>
+#include <vector>
+
+#include "breeze/Project.hpp"
+
+/// The project's CMake presets, which are what a platform, an architecture and a compiler mean:
+/// every SDK names its configure presets "<platform>-<arch>-<compiler>" (linux-x64-gcc,
+/// windows-x64-clang-cl).
+namespace breeze
+{
+
+	struct Preset
+	{
+		std::string name;
+		std::string description;
+		std::string platform; // linux, macos, windows
+		std::string arch;	  // x64, x86, arm32, arm64
+		std::string compiler; // the rest of the name: gcc, clang, msvc, clang-cl, mingw64, ...
+	};
+
+	/// The configure presets usable on this machine (what `cmake --list-presets` shows).
+	std::vector<Preset> listPresets(const Project& project);
+
+	/// What was asked for; every field is optional and compared ignoring case and punctuation
+	/// ("ClangCl" finds clang-cl).
+	struct PresetQuery
+	{
+		std::optional<std::string> preset;
+		std::optional<std::string> platform;
+		std::optional<std::string> arch;
+		std::optional<std::string> compiler;
+	};
+
+	/// The preset a command should use: the named preset; else one made from the platform,
+	/// architecture and compiler given, the project's defaults and then this machine for whatever
+	/// is missing; else the project's default preset; else none (the SDK's own default). Throws an
+	/// Error that lists the choices when what was asked for doesn't exist. `note` gets a line to
+	/// show the user when the choice involved a guess.
+	std::optional<std::string> resolvePreset(const Project& project, const Defaults& defaults,
+											 const PresetQuery& query, std::string* note = nullptr);
+
+}