Method export_exec

DSView/pv/storesession.cpp:868–1221

}

void StoreSession::export_exec(data::Snapshot *snapshot)
{
    assert(snapshot);

        //set export all data flag
    AppConfig &app = AppConfig::Instance();
    int origin_flag = app.appOptions.originalData ? 1 : 0;

    data::LogicSnapshot *logic_snapshot = NULL;
    data::AnalogSnapshot *analog_snapshot = NULL;
    data::DsoSnapshot *dso_snapshot = NULL;
    int channel_type;

    if ((logic_snapshot = dynamic_cast<data::LogicSnapshot*>(snapshot))) {
        channel_type = SR_CHANNEL_LOGIC;
    } else if ((dso_snapshot = dynamic_cast<data::DsoSnapshot*>(snapshot))) {
        channel_type = SR_CHANNEL_DSO;
    } else if ((analog_snapshot = dynamic_cast<data::AnalogSnapshot*>(snapshot))) {
        channel_type = SR_CHANNEL_ANALOG;
    } else {
        _has_error = true;
        _error = L_S(STR_PAGE_DLG, S_ID(IDS_MSG_STORESESS_EXPORTPROC_ERROR1), "data type don't support.");
        return;
    }

    GHashTable *params = g_hash_table_new(g_str_hash, g_str_equal);
    GVariant* filenameGVariant = g_variant_new_bytestring(_file_name.toUtf8().data());
    g_hash_table_insert(params, (char*)"filename", filenameGVariant);
    GVariant* typeGVariant = g_variant_new_int16(channel_type);
    g_hash_table_insert(params, (char*)"type", typeGVariant);

    struct sr_output output;
    output.module = (sr_output_module*) _outModule;
    output.sdi = _session->get_device()->inst();
    output.param = NULL;
    output.start_sample_index = 0;

    if (channel_type == SR_CHANNEL_LOGIC){
        output.start_sample_index = _start_index;
    }

    if(_outModule->init){
       if(_outModule->init(&output, params) != SR_OK){
        dsv_err("Failed to init export module.");
        return;
       }
    }

    QFile file(_file_name);
    file.open(QIODevice::WriteOnly | QIODevice::Text);
    QTextStream out(&file); 
    encoding::set_utf8(out);
    //out.setGenerateByteOrderMark(true);  // UTF-8 without BOM

    // Meta
    GString *data_out;
    struct sr_datafeed_packet p;
    struct sr_datafeed_meta meta;