Initial commit of a mz-header parser.

1 files changed, 47 insertions, 0 deletions

diff --git a/mz/mz_header.hpp b/mz/mz_header.hpp
new file mode 100644
index 0000000..ad5f419
--- /dev/null
+++ b/mz/mz_header.hpp
@@ -0,0 +1,47 @@
+#pragma once
+
+#include <cstdint>
+#include <cstddef>
+#include <stdexcept>
+#include <istream>
+#include <ostream>
+
+#include <boost/serialization/strong_typedef.hpp>
+
+BOOST_STRONG_TYPEDEF(uint16_t, Magic);
+
+struct NotAMZFileException : public std::runtime_error {
+	NotAMZFileException();
+};
+
+struct UnexpectedEOS : public std::runtime_error {
+	UnexpectedEOS();
+	
+	UnexpectedEOS(std::string location);
+};
+
+struct MZHeader {
+	Magic magic;
+	uint16_t bytes_in_last_block;
+	uint16_t blocks_in_file;
+	uint16_t num_relocs;
+	uint16_t header_paragraphs;
+	uint16_t min_extra_paragraphs;
+	uint16_t max_extra_paragraphs;
+	uint16_t ss;
+	uint16_t sp;
+	uint16_t checksum;
+	uint16_t ip;
+	uint16_t cs;
+	uint16_t reloc_table_offset;
+	uint16_t overlay_number;
+};
+
+uint16_t parse_uint16_t(std::istream& is, std::string name = "");
+
+MZHeader parse_mz_file(std::istream& is);
+
+void print_mz_header(MZHeader const& header);
+
+std::ostream& operator<<(std::ostream& os, MZHeader const& header);
+