Edwin Smith
90 linhas
2.8 KiB
C++
90 linhas
2.8 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#include "hphp/runtime/base/variable_unserializer.h"
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#include "hphp/runtime/base/complex_types.h"
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#include "hphp/runtime/base/zend/zend_strtod.h"
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#include "hphp/runtime/base/array_iterator.h"
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#include "hphp/runtime/ext/ext_class.h"
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namespace HPHP {
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///////////////////////////////////////////////////////////////////////////////
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Variant VariableUnserializer::unserialize() {
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Variant v;
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v.unserialize(this);
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return v;
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}
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Variant VariableUnserializer::unserializeKey() {
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Variant v;
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v.unserialize(this, Uns::Mode::Key);
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return v;
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}
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int64_t VariableUnserializer::readInt() {
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check();
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char *newBuf;
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int64_t r = strtoll(m_buf, &newBuf, 10);
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m_buf = newBuf;
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return r;
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}
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double VariableUnserializer::readDouble() {
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check();
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char *newBuf;
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double r = zend_strtod(m_buf, &newBuf);
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m_buf = newBuf;
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return r;
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}
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void VariableUnserializer::read(char *buf, uint n) {
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check();
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/* compute copy boundaries in a more efficient manner,
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by using min(...) operation rather than complex conditional
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in a loop guard */
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const size_t BUFFER_SIZE = m_end - m_buf;
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const size_t BUFFER_LIMIT = std::min(BUFFER_SIZE, size_t(n));
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memcpy(buf, m_buf, BUFFER_LIMIT);
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m_buf += BUFFER_LIMIT;
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}
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Variant &VariableUnserializer::addVar() {
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m_vars.push_back(uninit_null());
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return m_vars.back();
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}
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bool VariableUnserializer::isWhitelistedClass(CStrRef cls_name) const {
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if (m_type != Type::Serialize || m_classWhiteList.isNull()) {
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return true;
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}
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if (!m_classWhiteList.isNull() && !m_classWhiteList.empty()) {
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for (ArrayIter iter(m_classWhiteList); iter; ++iter) {
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CVarRef value(iter.secondRef());
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if (f_is_subclass_of(cls_name, value.toString()) ||
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same(value, cls_name)) {
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return true;
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}
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}
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}
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return false;
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}
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///////////////////////////////////////////////////////////////////////////////
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}
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