From dd8f1658c47db665481c725b9469408cf17e8c2e Mon Sep 17 00:00:00 2001
From: Dennis Brentjes <d.brentjes@gmail.com>
Date: Sun, 19 Jun 2016 22:30:07 +0200
Subject: implements a LE file parser and bare outputter.

---
 le/le_file.cpp | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 le/le_file.cpp

(limited to 'le/le_file.cpp')

diff --git a/le/le_file.cpp b/le/le_file.cpp
new file mode 100644
index 0000000..3cec50c
--- /dev/null
+++ b/le/le_file.cpp
@@ -0,0 +1,80 @@
+#include "le_file.hpp"
+
+#include "index_list.hpp"
+
+#include <boost/fusion/adapted/struct.hpp>
+
+typedef std::array<uint8_t, 8> A1;
+typedef std::array<uint8_t, 22> A2;
+
+BOOST_FUSION_ADAPT_STRUCT(
+	le::LEFile,
+	(mz::MZHeader, mz_header)
+	(A1, unused_1)
+	(binparse::Value16, OEM_id)
+	(A2, OEM_info)
+	(binparse::Offset32, le_offset)
+	(std::vector<uint8_t>, dos_exe)
+	(le::LEHeader, le_header)
+	(std::vector<uint8_t>, le_exe)
+)
+
+namespace le {
+
+LEFile parse_file(std::istream& is) {
+	auto mz_h = mz::parse_header(is);
+	auto unused = parse<std::array<uint8_t, 8>>(is, "unused_1");
+	auto OEM_id = parse<binparse::Value16>(is, "OEM_id");
+	auto OEM_info = parse<std::array<uint8_t, 22>>(is, "OEM_info");
+	auto le_offset = parse<binparse::Offset32>(is, "le_offset");
+	
+	size_t dos_exe_len = le_offset - 0x40;
+	std::vector<uint8_t> dos_exe = std::vector<uint8_t>(dos_exe_len, 0);
+	binparse::dump_bytes(is, dos_exe, "dos_exe");
+	
+	auto le_h = le::parse_header(is);
+	std::string str(std::istreambuf_iterator<char>(is), {});
+	std::vector<uint8_t> le_exe(str.begin(), str.end());
+	
+	return {
+		mz_h,
+		unused,
+		OEM_id,
+		OEM_info,
+		le_offset,		
+		dos_exe,
+		le_h,
+		le_exe
+	};
+}
+
+std::ostream& operator<<(std::ostream& os, std::array<uint8_t, 8> const& array) {
+	return os;
+}
+
+std::ostream& operator<<(std::ostream& os, std::array<uint8_t, 22> const& array) {
+	return os;
+}
+
+std::ostream& operator<<(std::ostream& os, std::vector<uint8_t> vec) {
+	return os;
+}
+
+std::ostream& output_impl(std::ostream& os, LEFile const&, indices<>) {
+	return os;
+}
+
+template <int I, int... Indices>
+std::ostream& output_impl(std::ostream& os, const LEFile& file, indices<I, Indices...>) {
+	os << boost::fusion::extension::struct_member_name<LEFile, I>::call() << ": " << boost::fusion::at_c<I>(file) << std::endl;
+	return output_impl(os, file, indices<Indices...>{});
+}
+
+std::ostream&operator<<(std::ostream& os, LEFile const& file)
+{
+	typedef build_indices<boost::fusion::result_of::size<LEFile>::value>::type indices;
+	
+	return output_impl(os, file, indices{});
+}
+
+}
\ No newline at end of file
-- 
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