after 2 weeks of porting over the ngc_ft1 code to solanaceae and rewriting the highlevel logic

(29 commits predate this)

solanaceae/ngc_ft1_sha1/ft1_sha1_info.hpp

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <array>
+#include <ostream>
+#include <vector>
+#include <cassert>
+#include <string>
+
+struct SHA1Digest {
+	std::array<uint8_t, 20> data;
+
+	SHA1Digest(void) = default;
+	SHA1Digest(const std::vector<uint8_t>& v);
+	SHA1Digest(const uint8_t* d, size_t s);
+
+	bool operator==(const SHA1Digest& other) const { return data == other.data; }
+	bool operator!=(const SHA1Digest& other) const { return data != other.data; }
+
+	size_t size(void) const { return data.size(); }
+};
+
+std::ostream& operator<<(std::ostream& out, const SHA1Digest& v);
+
+namespace std { // inject
+	template<> struct hash<SHA1Digest> {
+		std::size_t operator()(const SHA1Digest& h) const noexcept {
+			return
+				size_t(h.data[0]) << (0*8) |
+				size_t(h.data[1]) << (1*8) |
+				size_t(h.data[2]) << (2*8) |
+				size_t(h.data[3]) << (3*8) |
+				size_t(h.data[4]) << (4*8) |
+				size_t(h.data[5]) << (5*8) |
+				size_t(h.data[6]) << (6*8) |
+				size_t(h.data[7]) << (7*8)
+			;
+		}
+	};
+} // std
+
+struct FT1InfoSHA1 {
+	std::string file_name;
+	uint64_t file_size {0};
+	uint32_t chunk_size {128*1024}; // 128KiB for now
+	std::vector<SHA1Digest> chunks;
+
+	size_t chunkSize(size_t chunk_index) const;
+
+	std::vector<uint8_t> toBuffer(void) const;
+	void fromBuffer(const std::vector<uint8_t>& buffer);
+};
+std::ostream& operator<<(std::ostream& out, const FT1InfoSHA1& v);
+