C++ (Cpp) Iterator::valid示例

示例#1

文件： name_value_table_wrapper.cpp 项目： MarkTseng/hiphop-php

bool NameValueTableWrapper::advanceFullPos(FullPos& fp) {
  bool reset = fp.getResetFlag();
  NameValueTable::Iterator iter = reset ?
    NameValueTable::Iterator(m_tab) :
    NameValueTable::Iterator(m_tab, fp.m_pos);
  if (reset) {
    fp.setResetFlag(false);
  } else {
    if (!iter.valid()) {
      return false;
    }
    iter.next();
  }
  fp.m_pos = iter.toInteger();
  if (!iter.valid()) return false;
  // To conform to PHP behavior, we need to set the internal
  // cursor to point to the next element.
  iter.next();
  m_pos = iter.toInteger();
  return true;
}

示例#2

文件： globals-array.cpp 项目： milesj/hhvm

bool GlobalsArray::AdvanceMArrayIter(ArrayData* ad, MArrayIter& fp) {
  auto a = asGlobals(ad);
  bool reset = fp.getResetFlag();
  NameValueTable::Iterator iter = reset ?
    NameValueTable::Iterator(a->m_tab) :
    NameValueTable::Iterator(a->m_tab, fp.m_pos);
  if (reset) {
    fp.setResetFlag(false);
  } else {
    if (!iter.valid()) {
      return false;
    }
    iter.next();
  }
  fp.m_pos = iter.toInteger();
  if (!iter.valid()) return false;
  // To conform to PHP behavior, we need to set the internal
  // cursor to point to the next element.
  iter.next();
  a->m_pos = iter.toInteger();
  return true;
}