Edwin Smith
120 linhas
3.3 KiB
C++
120 linhas
3.3 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010- 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 <runtime/base/file/zip_file.h>
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#include <runtime/base/complex_types.h>
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#include <runtime/base/runtime_error.h>
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namespace HPHP {
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IMPLEMENT_OBJECT_ALLOCATION_NO_DEFAULT_SWEEP(ZipFile);
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///////////////////////////////////////////////////////////////////////////////
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StaticString ZipFile::s_class_name("ZipFile");
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///////////////////////////////////////////////////////////////////////////////
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ZipFile::ZipFile() : m_gzFile(nullptr) {
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m_innerFile = NEWOBJ(PlainFile)();
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m_innerFile->unregister(); // so Sweepable won't touch my child
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}
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ZipFile::~ZipFile() {
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closeImpl();
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DELETEOBJ(HPHP, PlainFile, m_innerFile);
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}
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void ZipFile::sweep() {
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closeImpl();
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File::closeImpl();
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}
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bool ZipFile::open(CStrRef filename, CStrRef mode) {
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assert(m_gzFile == nullptr);
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if (strchr(mode.c_str(), '+')) {
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raise_warning("cannot open a zlib stream for reading and writing "
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"at the same time!");
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return false;
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}
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return m_innerFile->open(filename, mode) &&
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(m_gzFile = gzdopen(dup(m_innerFile->fd()), mode.data()));
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}
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bool ZipFile::close() {
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return closeImpl();
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}
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bool ZipFile::closeImpl() {
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bool ret = true;
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s_file_data->m_pcloseRet = 0;
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if (!m_closed) {
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if (m_gzFile) {
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s_file_data->m_pcloseRet = gzclose(m_gzFile);
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ret = (s_file_data->m_pcloseRet == 0);
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m_gzFile = nullptr;
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}
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m_closed = true;
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m_innerFile->close();
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}
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File::closeImpl();
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return ret;
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}
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///////////////////////////////////////////////////////////////////////////////
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int64_t ZipFile::readImpl(char *buffer, int64_t length) {
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assert(m_gzFile);
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int64_t nread = gzread(m_gzFile, buffer, length);
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return (nread < 0) ? 0 : nread;
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}
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int64_t ZipFile::writeImpl(const char *buffer, int64_t length) {
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assert(m_gzFile);
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return gzwrite(m_gzFile, buffer, length);
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}
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bool ZipFile::seek(int64_t offset, int whence /* = SEEK_SET */) {
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assert(m_gzFile);
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int64_t newoffset = gzseek(m_gzFile, offset, whence);
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return (newoffset < 0) ? -1 : 0;
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}
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int64_t ZipFile::tell() {
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assert(m_gzFile);
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return gztell(m_gzFile);
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}
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bool ZipFile::eof() {
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assert(m_gzFile);
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return gzeof(m_gzFile);
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}
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bool ZipFile::rewind() {
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assert(m_gzFile);
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gzrewind(m_gzFile);
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return true;
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}
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bool ZipFile::flush() {
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assert(m_gzFile);
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return gzflush(m_gzFile, Z_SYNC_FLUSH);
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}
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///////////////////////////////////////////////////////////////////////////////
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}
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