1 files changed, 107 insertions, 0 deletions
diff --git a/tests/io.h b/tests/io.h
new file mode 100644
index 000000000..64f2bae77
--- /dev/null
+++ b/tests/io.h
@@ -0,0 +1,107 @@
+// Copyright (c) 2012-2013 The Cryptonote developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include <cstddef>
+#include <ios>
+#include <iostream>
+#include <type_traits>
+#include <vector>
+
+inline bool hexdecode(const char *from, std::size_t length, void *to) {
+  std::size_t i;
+  for (i = 0; i < length; i++) {
+    int v = 0;
+    if (from[2 * i] >= '0' && from[2 * i] <= '9') {
+      v = from[2 * i] - '0';
+    } else if (from[2 * i] >= 'a' && from[2 * i] <= 'f') {
+      v = from[2 * i] - 'a' + 10;
+    } else {
+      return false;
+    }
+    v <<= 4;
+    if (from[2 * i + 1] >= '0' && from[2 * i + 1] <= '9') {
+      v |= from[2 * i + 1] - '0';
+    } else if (from[2 * i + 1] >= 'a' && from[2 * i + 1] <= 'f') {
+      v |= from[2 * i + 1] - 'a' + 10;
+    } else {
+      return false;
+    }
+    *(reinterpret_cast<unsigned char *>(to) + i) = v;
+  }
+  return true;
+}
+
+inline void get(std::istream &input, bool &res) {
+  std::string sres;
+  input >> sres;
+  if (sres == "false") {
+    res = false;
+  } else if (sres == "true") {
+    res = true;
+  } else {
+    input.setstate(std::ios_base::failbit);
+  }
+}
+
+template<typename T>
+typename std::enable_if<std::is_integral<T>::value, void>::type
+get(std::istream &input, T &res) {
+  input >> res;
+}
+
+inline void getvar(std::istream &input, std::size_t length, void *res) {
+  std::string sres;
+  input >> sres;
+  if (sres.length() != 2 * length || !hexdecode(sres.data(), length, res)) {
+    input.setstate(std::ios_base::failbit);
+  }
+}
+
+template<typename T>
+typename std::enable_if<std::is_standard_layout<T>::value && !std::is_scalar<T>::value, void>::type
+get(std::istream &input, T &res) {
+  getvar(input, sizeof(T), &res);
+}
+
+inline void get(std::istream &input, std::vector<char> &res) {
+  std::string sres;
+  input >> sres;
+  if (sres == "x") {
+    res.clear();
+  } else if (sres.length() % 2 != 0) {
+    input.setstate(std::ios_base::failbit);
+  } else {
+    std::size_t length = sres.length() / 2;
+    res.resize(length);
+    if (!hexdecode(sres.data(), length, res.data())) {
+      input.setstate(std::ios_base::failbit);
+    }
+  }
+}
+
+#if !defined(_MSC_VER)
+
+template<typename T, typename... TT>
+typename std::enable_if<(sizeof...(TT) > 0), void>::type
+get(std::istream &input, T &res, TT &... resres) {
+  get(input, res);
+  get(input, resres...);
+}
+
+#else
+#include <boost/preprocessor/cat.hpp>
+#include <boost/preprocessor/repetition/enum_binary_params.hpp>
+#include <boost/preprocessor/repetition/enum_params.hpp>
+#include <boost/preprocessor/repetition/repeat.hpp>
+#include <boost/preprocessor/repetition/repeat_from_to.hpp>
+
+#define NESTED_GET(z, n, data) get(input, BOOST_PP_CAT(res, n));
+#define GET(z, n, data) \
+template<BOOST_PP_ENUM_PARAMS(n, typename T)> \
+void get(std::istream &input, BOOST_PP_ENUM_BINARY_PARAMS(n, T, &res)) { \
+  BOOST_PP_REPEAT(n, NESTED_GET, ~) \
+}
+BOOST_PP_REPEAT_FROM_TO(2, 5, GET, ~)
+
+#endif