initial commit

crypto/vm/cellparse.hpp

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+/*
+    This file is part of TON Blockchain Library.
+
+    TON Blockchain Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    TON Blockchain Library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2017-2019 Telegram Systems LLP
+*/
+#pragma once
+#include "vm/cells.h"
+#include "vm/cellslice.h"
+
+namespace vm {
+
+class CellRefParser {
+  Ref<CellSlice> cs;
+  bool state;
+
+ public:
+  CellRefParser(Ref<CellSlice> _cs) : cs(std::move(_cs)), state(cs.not_null()) {
+  }
+  bool ok() const {
+    return state;
+  }
+  operator bool() const {
+    return state;
+  }
+  template <class T>
+  CellRefParser& deserialize(T& val) {
+    state = (state && val.deserialize(cs.write()));
+    return *this;
+  }
+  //template <class T>
+  //CellRefParser& deserialize(T& val) {
+  //  state = val.deserialize_ext(cs.write(), state);
+  //  return *this;
+  //}
+  template <class T>
+  CellRefParser& deserialize(const T& val) {
+    state = (state && val.deserialize(cs.write()));
+    return *this;
+  }
+  //template <class T>
+  //CellRefParser& deserialize(const T& val) {
+  //  state = val.deserialize_ext(cs.write(), state);
+  //  return *this;
+  //}
+};
+
+class CellParser {
+  CellSlice& cs;
+  bool state;
+
+ public:
+  CellParser(CellSlice& _cs) : cs(_cs), state(true) {
+  }
+  bool ok() const {
+    return state;
+  }
+  operator bool() const {
+    return state;
+  }
+  template <class T>
+  CellParser& deserialize(T& val) {
+    state = (state && val.deserialize(cs));
+    return *this;
+  }
+  // template <class T>
+  // CellParser& deserialize(T& val) {
+  //  state = val.deserialize_ext(cs, state);
+  //  return *this;
+  // }
+  template <class T>
+  CellParser& deserialize(const T& val) {
+    state = (state && val.deserialize(cs));
+    return *this;
+  }
+  // template <class T>
+  // CellParser& deserialize(const T& val) {
+  //  state = val.deserialize_ext(cs, state);
+  //  return *this;
+  // }
+};
+
+template <class P, class T>
+P& operator>>(P& cp, T& val) {
+  return cp.deserialize(val);
+}
+
+template <class P, class T>
+P& operator>>(P& cp, const T& val) {
+  return cp.deserialize(val);
+}
+
+}  // namespace vm