nsprpub/pr/src/cplus/rcfileio.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/nsprpub/pr/src/cplus/rcfileio.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,167 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +/*
    1.10 +** Class implementation for normal and special file I/O (ref: prio.h)
    1.11 +*/
    1.12 +
    1.13 +#include "rcfileio.h"
    1.14 +
    1.15 +#include <string.h>
    1.16 +
    1.17 +RCFileIO::RCFileIO(): RCIO(RCIO::file) { }
    1.18 +
    1.19 +RCFileIO::~RCFileIO() { if (NULL != fd) (void)Close(); }
    1.20 +
    1.21 +PRInt64 RCFileIO::Available()
    1.22 +    { return fd->methods->available(fd); }
    1.23 +
    1.24 +PRStatus RCFileIO::Close()
    1.25 +    { PRStatus rv = fd->methods->close(fd); fd = NULL; return rv; }
    1.26 +
    1.27 +PRStatus RCFileIO::Delete(const char* filename) { return PR_Delete(filename); }
    1.28 +
    1.29 +PRStatus RCFileIO::FileInfo(RCFileInfo* info) const
    1.30 +    { return fd->methods->fileInfo64(fd, &info->info); }
    1.31 +
    1.32 +PRStatus RCFileIO::FileInfo(const char *name, RCFileInfo* info)
    1.33 +    { return PR_GetFileInfo64(name, &info->info); }
    1.34 +
    1.35 +PRStatus RCFileIO::Fsync()
    1.36 +    { return fd->methods->fsync(fd); }
    1.37 +
    1.38 +PRStatus RCFileIO::Open(const char *filename, PRIntn flags, PRIntn mode)
    1.39 +{
    1.40 +    fd = PR_Open(filename, flags, mode);
    1.41 +    return (NULL == fd) ? PR_FAILURE : PR_SUCCESS;
    1.42 +}  /* RCFileIO::Open */
    1.43 +
    1.44 +PRInt32 RCFileIO::Read(void *buf, PRSize amount)
    1.45 +    { return fd->methods->read(fd, buf, amount); }
    1.46 +
    1.47 +PRInt64 RCFileIO::Seek(PRInt64 offset, RCIO::Whence how)
    1.48 +{
    1.49 +    PRSeekWhence whence;
    1.50 +    switch (how)
    1.51 +    {
    1.52 +        case RCFileIO::set: whence = PR_SEEK_SET; break;
    1.53 +        case RCFileIO::current: whence = PR_SEEK_CUR; break;
    1.54 +        case RCFileIO::end: whence = PR_SEEK_END; break;
    1.55 +        default: whence = (PRSeekWhence)-1;
    1.56 +    }
    1.57 +    return fd->methods->seek64(fd, offset, whence);
    1.58 +}  /* RCFileIO::Seek */
    1.59 +
    1.60 +PRInt32 RCFileIO::Write(const void *buf, PRSize amount)
    1.61 +    { return fd->methods->write(fd, buf, amount); }
    1.62 +
    1.63 +PRInt32 RCFileIO::Writev(
    1.64 +    const PRIOVec *iov, PRSize size, const RCInterval& timeout)
    1.65 +    { return fd->methods->writev(fd, iov, size, timeout); }
    1.66 +
    1.67 +RCIO *RCFileIO::GetSpecialFile(RCFileIO::SpecialFile special)
    1.68 +{
    1.69 +    PRFileDesc* fd;
    1.70 +    PRSpecialFD which;
    1.71 +    RCFileIO* spec = NULL;
    1.72 +
    1.73 +    switch (special)
    1.74 +    {
    1.75 +        case RCFileIO::input: which = PR_StandardInput; break;
    1.76 +        case RCFileIO::output: which = PR_StandardOutput; break;
    1.77 +        case RCFileIO::error: which = PR_StandardError; break;
    1.78 +        default: which = (PRSpecialFD)-1;
    1.79 +    }
    1.80 +    fd = PR_GetSpecialFD(which);
    1.81 +    if (NULL != fd)
    1.82 +    {
    1.83 +        spec = new RCFileIO();
    1.84 +        if (NULL != spec) spec->fd = fd;
    1.85 +    }
    1.86 +    return spec;
    1.87 +}  /* RCFileIO::GetSpecialFile */
    1.88 +
    1.89 +
    1.90 +/*
    1.91 +** The following methods have been made non-virtual and private. These
    1.92 +** default implementations are intended to NEVER be called. They
    1.93 +** are not valid for this type of I/O class (normal and special file).
    1.94 +*/
    1.95 +PRStatus RCFileIO::Connect(const RCNetAddr&, const RCInterval&)
    1.96 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
    1.97 +
    1.98 +PRStatus RCFileIO::GetLocalName(RCNetAddr*) const
    1.99 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   1.100 +
   1.101 +PRStatus RCFileIO::GetPeerName(RCNetAddr*) const
   1.102 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   1.103 +
   1.104 +PRStatus RCFileIO::GetSocketOption(PRSocketOptionData*) const
   1.105 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   1.106 +
   1.107 +PRStatus RCFileIO::Listen(PRIntn)
   1.108 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   1.109 +
   1.110 +PRInt16 RCFileIO::Poll(PRInt16, PRInt16*)
   1.111 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return 0; }
   1.112 +
   1.113 +PRInt32 RCFileIO::Recv(void*, PRSize, PRIntn, const RCInterval&)
   1.114 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   1.115 +
   1.116 +PRInt32 RCFileIO::Recvfrom(void*, PRSize, PRIntn, RCNetAddr*, const RCInterval&)
   1.117 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   1.118 +
   1.119 +PRInt32 RCFileIO::Send(
   1.120 +    const void*, PRSize, PRIntn, const RCInterval&)
   1.121 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   1.122 +
   1.123 +PRInt32 RCFileIO::Sendto(
   1.124 +    const void*, PRSize, PRIntn, const RCNetAddr&, const RCInterval&)
   1.125 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   1.126 +
   1.127 +RCIO* RCFileIO::Accept(RCNetAddr*, const RCInterval&)
   1.128 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return NULL; }
   1.129 +
   1.130 +PRStatus RCFileIO::Bind(const RCNetAddr&)
   1.131 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   1.132 +
   1.133 +PRInt32 RCFileIO::AcceptRead(
   1.134 +    RCIO**, RCNetAddr**, void*, PRSize, const RCInterval&)
   1.135 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   1.136 +
   1.137 +PRStatus RCFileIO::SetSocketOption(const PRSocketOptionData*)
   1.138 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   1.139 +
   1.140 +PRStatus RCFileIO::Shutdown(RCIO::ShutdownHow)
   1.141 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return PR_FAILURE; }
   1.142 +
   1.143 +PRInt32 RCFileIO::TransmitFile(
   1.144 +    RCIO*, const void*, PRSize, RCIO::FileDisposition, const RCInterval&)
   1.145 +{ PR_SetError(PR_INVALID_METHOD_ERROR, 0); return -1; }
   1.146 +
   1.147 +/*
   1.148 +** Class implementation for file information object (ref: prio.h)
   1.149 +*/
   1.150 +
   1.151 +RCFileInfo::~RCFileInfo() { }
   1.152 +
   1.153 +RCFileInfo::RCFileInfo(const RCFileInfo& her): RCBase()
   1.154 +    { info = her.info; }  /* RCFileInfo::RCFileInfo */
   1.155 +
   1.156 +RCTime RCFileInfo::CreationTime() const { return RCTime(info.creationTime); }
   1.157 +
   1.158 +RCTime RCFileInfo::ModifyTime() const { return RCTime(info.modifyTime); }
   1.159 +
   1.160 +RCFileInfo::FileType RCFileInfo::Type() const
   1.161 +{
   1.162 +    RCFileInfo::FileType type;
   1.163 +    switch (info.type)
   1.164 +    {
   1.165 +        case PR_FILE_FILE: type = RCFileInfo::file; break;
   1.166 +        case PR_FILE_DIRECTORY: type = RCFileInfo::directory; break;
   1.167 +        default: type = RCFileInfo::other;
   1.168 +    }
   1.169 +    return type;
   1.170 +}  /* RCFileInfo::Type */

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