C++ MIOFILE::fgets方法代码示例

/// Parse XML information about an active task set
int ACTIVE_TASK_SET::parse(MIOFILE& fin) {
    ACTIVE_TASK* atp;
    char buf[256];
    int retval;

    while (fin.fgets(buf, 256)) {
        if (match_tag(buf, "</active_task_set>")) return 0;
        else if (match_tag(buf, "<active_task>")) {
            atp = new ACTIVE_TASK;
            retval = atp->parse(fin);
            if (!retval) {
                if (slot_taken(atp->slot)) {
                    msg_printf(atp->result->project, MSG_INTERNAL_ERROR,
                        "slot %d in use; discarding result %s",
                        atp->slot, atp->result->name
                    );
                    retval = ERR_XML_PARSE;
                }
            }
            if (!retval) active_tasks.push_back(atp);
            else delete atp;
        } else {
            handle_unparsed_xml_warning("ACTIVE_TASK_SET::parse", buf);
        }
    }
    return ERR_XML_PARSE;
}

int PROXY_INFO::parse(MIOFILE& in) {
    char buf[1024];

    memset(this, 0, sizeof(PROXY_INFO));
    while (in.fgets(buf, 256)) {
        if (match_tag(buf, "</proxy_info>")) {
            present = false;
            if (strlen(http_server_name)) present = true;
            if (strlen(socks_server_name)) present = true;
            return 0;
        }
        else if (parse_bool(buf, "use_http_proxy", use_http_proxy)) continue;
        else if (parse_bool(buf, "use_socks_proxy", use_socks_proxy)) continue;
        else if (parse_bool(buf, "use_http_auth", use_http_auth)) continue;
        else if (parse_str(buf, "<socks_server_name>", socks_server_name, sizeof(socks_server_name))) continue;
        else if (parse_int(buf, "<socks_server_port>", socks_server_port)) continue;
        else if (parse_str(buf, "<http_server_name>", http_server_name, sizeof(http_server_name))) continue;
        else if (parse_int(buf, "<http_server_port>", http_server_port)) continue;
        else if (parse_str(buf, "<socks5_user_name>", socks5_user_name,sizeof(socks5_user_name))) continue;
        else if (parse_str(buf, "<socks5_user_passwd>", socks5_user_passwd,sizeof(socks5_user_passwd))) continue;
        else if (parse_str(buf, "<http_user_name>", http_user_name,sizeof(http_user_name))) continue;
        else if (parse_str(buf, "<http_user_passwd>", http_user_passwd,sizeof(http_user_passwd))) continue;
		else if (parse_str(buf, "<no_proxy>", noproxy_hosts, sizeof(noproxy_hosts))) continue;
    }
    return ERR_XML_PARSE;
}

// we got an unrecognized line.
// If it has two <'s (e.g. <foo>xx</foo>) return 0.
// If it's of the form <foo/> return 0.
// If it's of the form <foo> then scan for </foo> and return 0.
// Otherwise return ERR_XML_PARSE
//
int skip_unrecognized(char* buf, MIOFILE& fin) {
    char* p, *q, buf2[256];
    std::string close_tag;

    p = strchr(buf, '<');
    if (!p) {
        return ERR_XML_PARSE;
    }
    if (strchr(p+1, '<')) {
        return 0;
    }
    q = strchr(p+1, '>');
    if (!q) {
        return ERR_XML_PARSE;
    }
    if (q[-1] == '/') return 0;
    *q = 0;
    close_tag = string("</") + string(p+1) + string(">");
    while (fin.fgets(buf2, 256)) {
        if (strstr(buf2, close_tag.c_str())) {
            return 0;
        }
        
    }
    return ERR_XML_PARSE;
}

int PROJECT_INIT::init() {
    char    buf[256];
    MIOFILE mf;
    FILE*   p;

    clear();
    p = fopen(PROJECT_INIT_FILENAME, "r");
    if (p) {
        mf.init_file(p);
        while(mf.fgets(buf, sizeof(buf))) {
            if (match_tag(buf, "</project_init>")) break;
            else if (parse_str(buf, "<name>", name, 256)) continue;
            else if (parse_str(buf, "<team_name>", team_name, 256)) continue;
            else if (parse_str(buf, "<url>", url, 256)) {
                canonicalize_master_url(url);
                continue;
            } else if (parse_str(buf, "<account_key>", account_key, 256)) {
                continue;
            }
        }
        fclose(p);
        msg_printf(0, MSG_INFO, "Found project_init.xml for %s", url);
    }
    return 0;
}

// we got an unrecognized line.
// If it has two <'s (e.g. <foo>xx</foo>) return 0.
// If it's of the form <foo/> return 0.
// If it's of the form <foo> then scan for </foo> and return 0.
// Otherwise return ERR_XML_PARSE
//
int skip_unrecognized(wxChar* buf, MIOFILE& fin) {
    wxChar* p, *q, buf2[256];
    std::wstring close_tag;

    p = _tcschr(buf, wxT('<'));
    if (!p) {
        return -112;
    }
    if (_tcschr(p+1, wxT('<'))) {
        return 0;
    }
    q = _tcschr(p+1, wxT('>'));
    if (!q) {
        return -112;
    }
    if (q[-1] == '/') return 0;
    *q = 0;
    close_tag = std::wstring(wxT("</")) + std::wstring(p+1) + std::wstring(wxT(">"));
    while (fin.fgets(buf2, 256)) {
        if (_tcsstr(buf2, close_tag.c_str())) {
            return 0;
        }
    }
    return -112;
}

int CSkinAdvanced::Parse(MIOFILE& in) {
    char buf[256];
    std::string strBuffer;

    while (in.fgets(buf, 256)) {
        if (match_tag(buf, "</advanced>")) break;
        else if (parse_bool(buf, "is_branded", m_bIsBranded)) continue;
        else if (parse_str(buf, "<application_name>", strBuffer)) {
            m_strApplicationName = wxString(strBuffer.c_str(), wxConvUTF8);
            continue;
        } else if (parse_str(buf, "<application_short_name>", strBuffer)) {
            m_strApplicationShortName = wxString(strBuffer.c_str(), wxConvUTF8);
            continue;
        } else if (match_tag(buf, "<application_icon>")) {
            m_iconApplicationIcon.Parse(in);
            continue;
        } else if (match_tag(buf, "<application_icon32>")) {
            m_iconApplicationIcon32.Parse(in);
            continue;
        } else if (match_tag(buf, "<application_disconnected_icon>")) {
            m_iconApplicationDisconnectedIcon.Parse(in);
            continue;
        } else if (match_tag(buf, "<application_snooze_icon>")) {
            m_iconApplicationSnoozeIcon.Parse(in);
            continue;
        } else if (parse_str(buf, "<application_logo>", strBuffer)) {
            if(strBuffer.length()) {
                wxString str = wxString(
                    wxGetApp().GetSkinManager()->ConstructSkinPath() +
                    wxString(strBuffer.c_str(), wxConvUTF8)
                );
                if (boinc_file_exists(str.c_str())) {
                    m_bitmapApplicationLogo = wxBitmap(wxImage(str.c_str(), wxBITMAP_TYPE_ANY));
                }
            }
            continue;
        } else if (parse_str(buf, "<organization_name>", strBuffer)) {
            m_strOrganizationName = wxString(strBuffer.c_str(), wxConvUTF8);
            continue;
        } else if (parse_str(buf, "<organization_website>", strBuffer)) {
            m_strOrganizationWebsite = wxString(strBuffer.c_str(), wxConvUTF8);
            continue;
        } else if (parse_str(buf, "<organization_help_url>", strBuffer)) {
            m_strOrganizationHelpUrl = wxString(strBuffer.c_str(), wxConvUTF8);
            continue;
        } else if (parse_int(buf, "<open_tab>", m_iDefaultTab)) {
            m_bDefaultTabSpecified = true;
            continue;
        } else if (parse_str(buf, "<exit_message>", strBuffer)) {
            m_strExitMessage = wxString(strBuffer.c_str(), wxConvUTF8);
            continue;
        }
    }

    InitializeDelayedValidation();

    return 0;
}

int copy_element_contents(MIOFILE& in, const char* end_tag, string& str) {
    char buf[256];

    str.clear();
    while (in.fgets(buf, 256)) {
        if (strstr(buf, end_tag)) {
            return 0;
        }
        str += buf;
    }
    fprintf(stderr, "copy_element_contents(): no end tag\n");
    return ERR_XML_PARSE;
}

int COPROC_REQ::parse(MIOFILE& fin) {
    char buf[1024];
    strcpy(type, "");
    count = 0;
    while (fin.fgets(buf, sizeof(buf))) {
        if (match_tag(buf, "</coproc>")) {
            if (!strlen(type)) return ERR_XML_PARSE;
            return 0;
        }
        if (parse_str(buf, "<type>", type, sizeof(type))) continue;
        if (parse_double(buf, "<count>", count)) continue;
    }
    return ERR_XML_PARSE;
}

int MOZILLA_PROFILE::parse(MIOFILE& in) {
    char buf[512];
    std::string sn;
    std::string sv;

    while (in.fgets(buf, 512)) {
        if (starts_with(buf, "\n")) return 0;
        if (starts_with(buf, "\r\n")) return 0;
        if (!parse_name_value_pair(buf, sn, sv)) continue;

        if ("Name" == sn) name = sv;
        if ("Path" == sn) path = sv;
        if (("IsRelative" == sn) && ("1" == sv)) is_relative = true;
        if (("Default" == sn) && ("1" == sv)) is_default = true;
    }
    return ERR_FREAD;
}

int NET_STATS::parse(MIOFILE& in) {
    char buf[256];

    up.clear();
    down.clear();
    while (in.fgets(buf, 256)) {
        if (match_tag(buf, "</net_stats>")) return 0;
        if (parse_double(buf, "<bwup>", up.max_rate)) continue;
        if (parse_double(buf, "<avg_up>", up.avg_rate)) continue;
        if (parse_double(buf, "<avg_time_up>", up.avg_time)) continue;
        if (parse_double(buf, "<bwdown>", down.max_rate)) continue;
        if (parse_double(buf, "<avg_down>", down.avg_rate)) continue;
        if (parse_double(buf, "<avg_time_down>", down.avg_time)) continue;
        handle_unparsed_xml_warning("NET_STATS::parse", buf);
    }
    return ERR_XML_PARSE;
}

int HOST_INFO::parse(MIOFILE& in, bool benchmarks_only) {
    char buf[1024];

    while (in.fgets(buf, sizeof(buf))) {
        if (match_tag(buf, "</host_info>")) return 0;
        else if (parse_double(buf, "<p_fpops>", p_fpops)) {
            // fix foolishness that could result in negative value here
            //
            if (p_fpops < 0) p_fpops = -p_fpops;
            continue;
        }
        else if (parse_double(buf, "<p_iops>", p_iops)) {
            if (p_iops < 0) p_iops = -p_iops;
            continue;
        }
        else if (parse_double(buf, "<p_membw>", p_membw)) {
            if (p_membw < 0) p_membw = -p_membw;
            continue;
        }
        else if (parse_double(buf, "<p_calculated>", p_calculated)) continue;

        if (benchmarks_only) continue;

        if (parse_int(buf, "<timezone>", timezone)) continue;
        else if (parse_str(buf, "<domain_name>", domain_name, sizeof(domain_name))) continue;
        else if (parse_str(buf, "<ip_addr>", ip_addr, sizeof(ip_addr))) continue;
        else if (parse_str(buf, "<host_cpid>", host_cpid, sizeof(host_cpid))) continue;
        else if (parse_int(buf, "<p_ncpus>", p_ncpus)) continue;
        else if (parse_str(buf, "<p_vendor>", p_vendor, sizeof(p_vendor))) continue;
        else if (parse_str(buf, "<p_model>", p_model, sizeof(p_model))) continue;
        else if (parse_str(buf, "<p_features>", p_features, sizeof(p_features))) continue;
        else if (parse_double(buf, "<m_nbytes>", m_nbytes)) continue;
        else if (parse_double(buf, "<m_cache>", m_cache)) continue;
        else if (parse_double(buf, "<m_swap>", m_swap)) continue;
        else if (parse_double(buf, "<d_total>", d_total)) continue;
        else if (parse_double(buf, "<d_free>", d_free)) continue;
        else if (parse_str(buf, "<os_name>", os_name, sizeof(os_name))) continue;
        else if (parse_str(buf, "<os_version>", os_version, sizeof(os_version))) continue;
        else if (match_tag(buf, "<coprocs>")) {
            coprocs.parse(in);
        }
    }
    return ERR_XML_PARSE;
}

int NET_STATS::parse(MIOFILE& in) {
    char buf[256];

    memset(this, 0, sizeof(NET_STATS));
    while (in.fgets(buf, 256)) {
        if (match_tag(buf, "</net_stats>")) return 0;
        if (parse_double(buf, "<bwup>", up.max_rate)) continue;
        if (parse_double(buf, "<avg_up>", up.avg_rate)) continue;
        if (parse_double(buf, "<avg_time_up>", up.avg_time)) continue;
        if (parse_double(buf, "<bwdown>", down.max_rate)) continue;
        if (parse_double(buf, "<avg_down>", down.avg_rate)) continue;
        if (parse_double(buf, "<avg_time_down>", down.avg_time)) continue;
        if (log_flags.unparsed_xml) {
            msg_printf(NULL, MSG_INFO,
                "[unparsed_xml] Unrecognized network statistics line: %s", buf
            );
        }
    }
    return ERR_XML_PARSE;
}

void CScreensaver::GetDefaultDisplayPeriods(struct ss_periods &periods)
{
    char*           default_data_dir_path = NULL;
    char            buf[1024];
    FILE*           f;
    MIOFILE         mf;

    periods.GFXDefaultPeriod = GFX_DEFAULT_PERIOD;
    periods.GFXSciencePeriod = GFX_SCIENCE_PERIOD;
    periods.GFXChangePeriod = GFX_CHANGE_PERIOD;
    periods.Show_default_ss_first = false;

#ifdef __APPLE__
    default_data_dir_path = "/Library/Application Support/BOINC Data";
#else
    default_data_dir_path = (char*)m_strBOINCDataDirectory.c_str();
#endif

    strlcpy(buf, default_data_dir_path, sizeof(buf));
    strlcat(buf, PATH_SEPARATOR, sizeof(buf));
    strlcat(buf, THE_SS_CONFIG_FILE, sizeof(buf));

    f = boinc_fopen(buf, "r");
    if (!f) return;
    
    mf.init_file(f);
    XML_PARSER xp(&mf);

    while (mf.fgets(buf, sizeof(buf))) {
        if (parse_bool(buf, "default_ss_first", periods.Show_default_ss_first)) continue;
        if (parse_double(buf, "<default_gfx_duration>", periods.GFXDefaultPeriod)) continue;
        if (parse_double(buf, "<science_gfx_duration>", periods.GFXSciencePeriod)) continue;
        if (parse_double(buf, "<science_gfx_change_interval>", periods.GFXChangePeriod)) continue;
        
    }
    fclose(f);
    
    BOINCTRACE(_T("CScreensaver::GetDefaultDisplayPeriods: m_bShow_default_ss_first=%d, m_fGFXDefaultPeriod=%f, m_fGFXSciencePeriod=%f, m_fGFXChangePeriod=%f\n"),
                    (int)periods.Show_default_ss_first, periods.GFXDefaultPeriod, periods.GFXSciencePeriod, periods.GFXChangePeriod);
}

// Parse XML information about a persistent file transfer
//
int PERS_FILE_XFER::parse(MIOFILE& fin) {
    char buf[256];

    while (fin.fgets(buf, 256)) {
        if (match_tag(buf, "</persistent_file_xfer>")) return 0;
        else if (parse_int(buf, "<num_retries>", nretry)) continue;
        else if (parse_double(buf, "<first_request_time>", first_request_time)) {
            continue;
        }
        else if (parse_double(buf, "<next_request_time>", next_request_time)) {
            continue;
        }
        else if (parse_double(buf, "<time_so_far>", time_so_far)) continue;
        else if (parse_double(buf, "<last_bytes_xferred>", last_bytes_xferred)) continue;
        else {
            if (log_flags.unparsed_xml) {
                msg_printf(NULL, MSG_INFO,
                    "[unparsed_xml] Unparsed line in file transfer info: %s", buf
                );
            }
        }
    }
    return ERR_XML_PARSE;
}

int CSkinImage::Parse(MIOFILE& in) {
    char buf[256];
    std::string strBuffer;

    while (in.fgets(buf, 256)) {
        if (match_tag(buf, "</image>")) break;
        else if (parse_str(buf, "<imagesrc>", strBuffer)) {
            if (strBuffer.length()) {
                m_strDesiredBitmap = wxString(
                    wxGetApp().GetSkinManager()->ConstructSkinPath() +
                    wxString(strBuffer.c_str(), wxConvUTF8)
                );
            }
            continue;
        } else if (parse_str(buf, "<background_color>", strBuffer)) {
            if (strBuffer.length()) {
                m_strDesiredBackgroundColor = wxString(strBuffer.c_str(), wxConvUTF8);
            }
            continue;
        } else if (match_tag(buf, "<anchor_horizontal_left>")) {
            m_iAnchorHorizontal = BKGD_ANCHOR_HORIZ_LEFT;
        } else if (match_tag(buf, "<anchor_horizontal_center>")) {
            m_iAnchorHorizontal = BKGD_ANCHOR_HORIZ_CENTER;
        } else if (match_tag(buf, "<anchor_horizontal_right>")) {
            m_iAnchorHorizontal = BKGD_ANCHOR_HORIZ_RIGHT;
        } else if (match_tag(buf, "<anchor_vertical_top>")) {
            m_iAnchorVertical = BKGD_ANCHOR_VERT_TOP;;
        } else if (match_tag(buf, "<anchor_vertical_center>")) {
            m_iAnchorVertical = BKGD_ANCHOR_VERT_CENTER;;
        } else if (match_tag(buf, "<anchor_vertical_bottom>")) {
            m_iAnchorVertical = BKGD_ANCHOR_VERT_BOTTOM;;
        }
    }

    return BOINC_SUCCESS;
}