Integrating Online Wallet into Chrome.

base/string_number_conversions.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/string_number_conversions.h"
 
 #include <ctype.h>
 #include <errno.h>
 #include <stdlib.h>
 #include <wctype.h>
@@ skipping 284 matching lines @@
 template<typename ITERATOR>
 class BaseHexIteratorRangeToIntTraits
     : public BaseIteratorRangeToNumberTraits<ITERATOR, int, 16> {
  public:
   // Allow parsing of 0xFFFFFFFF, which is technically an overflow
   static unsigned int max() {
     return std::numeric_limits<unsigned int>::max();
   }
 };
 
+template<typename ITERATOR>
+class BaseHexIteratorRangeToInt64Traits
+    : public BaseIteratorRangeToNumberTraits<ITERATOR, int64, 16> {
+ public:
+  // Allow parsing of 0xFFFFFFFFFFFFFFFF, which is technically an overflow
+  static uint64 max() {
+    return std::numeric_limits<uint64>::max();
+  }
+};
+
 typedef BaseHexIteratorRangeToIntTraits<StringPiece::const_iterator>
     HexIteratorRangeToIntTraits;
 
+typedef BaseHexIteratorRangeToInt64Traits<StringPiece::const_iterator>
+    HexIteratorRangeToInt64Traits;
+
 template<typename STR>
 bool HexStringToBytesT(const STR& input, std::vector<uint8>* output) {
   DCHECK_EQ(output->size(), 0u);
   size_t count = input.size();
   if (count == 0 || (count % 2) != 0)
     return false;
   for (uintptr_t i = 0; i < count / 2; ++i) {
     uint8 msb = 0;  // most significant 4 bits
     uint8 lsb = 0;  // least significant 4 bits
     if (!CharToDigit<16>(input[i * 2], &msb) ||
@@ skipping 156 matching lines @@
     ret[(i * 2) + 1] = kHexChars[b & 0xf];
   }
   return ret;
 }
 
 bool HexStringToInt(const StringPiece& input, int* output) {
   return IteratorRangeToNumber<HexIteratorRangeToIntTraits>::Invoke(
     input.begin(), input.end(), output);
 }
 
+bool HexStringToInt64(const StringPiece& input, int64* output) {
+  return IteratorRangeToNumber<HexIteratorRangeToInt64Traits>::Invoke(
+    input.begin(), input.end(), output);
+}
+
 bool HexStringToBytes(const std::string& input, std::vector<uint8>* output) {
   return HexStringToBytesT(input, output);
 }
 
 }  // namespace base