1 files changed, 123 insertions, 0 deletions
diff --git a/src/processor/binarystream.cc b/src/processor/binarystream.cc
new file mode 100644
index 00000000..c8ee2186
--- /dev/null
+++ b/src/processor/binarystream.cc
@@ -0,0 +1,123 @@
+// Copyright (c) 2010, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <arpa/inet.h>
+#include <limits.h>
+
+#include <vector>
+
+#include "processor/binarystream.h"
+
+namespace google_breakpad {
+using std::string;
+using std::vector;
+
+binarystream &binarystream::operator>>(std::string &str) {
+  u_int16_t length;
+  *this >> length;
+  if (eof())
+    return *this;
+  if (length == 0) {
+    str.clear();
+    return *this;
+  }
+  vector<char> buffer(length);
+  stream_.read(&buffer[0], length);
+  if (!eof())
+    str.assign(&buffer[0], length);
+  return *this;
+}
+
+binarystream &binarystream::operator>>(u_int8_t &u8) {
+  stream_.read((char *)&u8, 1);
+  return *this;
+}
+
+binarystream &binarystream::operator>>(u_int16_t &u16) {
+  u_int16_t temp;
+  stream_.read((char *)&temp, 2);
+  if (!eof())
+    u16 = ntohs(temp);
+  return *this;
+}
+
+binarystream &binarystream::operator>>(u_int32_t &u32) {
+  u_int32_t temp;
+  stream_.read((char *)&temp, 4);
+  if (!eof())
+    u32 = ntohl(temp);
+  return *this;
+}
+
+binarystream &binarystream::operator>>(u_int64_t &u64) {
+  u_int32_t lower, upper;
+  *this >> lower >> upper;
+  if (!eof())
+    u64 = static_cast<u_int64_t>(lower) | (static_cast<u_int64_t>(upper) << 32);
+  return *this;
+}
+
+binarystream &binarystream::operator<<(const std::string &str) {
+  if (str.length() > USHRT_MAX) {
+    // truncate to 16-bit length
+    *this << static_cast<u_int16_t>(USHRT_MAX);
+    stream_.write(str.c_str(), USHRT_MAX);
+  } else {
+    *this << (u_int16_t)(str.length() & 0xFFFF);
+    stream_.write(str.c_str(), str.length());
+  }
+  return *this;
+}
+
+binarystream &binarystream::operator<<(u_int8_t u8) {
+  stream_.write((const char*)&u8, 1);
+  return *this;
+}
+
+binarystream &binarystream::operator<<(u_int16_t u16) {
+  u16 = htons(u16);
+  stream_.write((const char*)&u16, 2);
+  return *this;
+}
+
+binarystream &binarystream::operator<<(u_int32_t u32) {
+  u32 = htonl(u32);
+  stream_.write((const char*)&u32, 4);
+  return *this;
+}
+
+binarystream &binarystream::operator<<(u_int64_t u64) {
+  // write 64-bit ints as two 32-bit ints, so we can byte-swap them easily
+  u_int32_t lower = static_cast<u_int32_t>(u64 & 0xFFFFFFFF);
+  u_int32_t upper = static_cast<u_int32_t>(u64 >> 32);
+  *this << lower << upper;
+  return *this;
+}
+
+}  // namespace google_breakpad