Method get_lang_text

DSView/pv/ui/langresource.cpp:199–254

}

const char* LangResource::get_lang_text(int page_id, const char *str_id, const char *default_str)
{
    assert(str_id);
    assert(default_str); 

    std::lock_guard<std::mutex> lock(_mutex);

    if (*str_id == '\0' || *default_str == '\0'){
        dsv_err("LangResource::get_lang_text(), param is empty.");
        assert(false);
    }

    if (_current_page == NULL || _current_page->_id != page_id){
        _current_page = NULL; 
        for (Lang_resource_page *p : _pages){
            if (p->_id == page_id){
                _current_page = p;
                break;
            }
        }
    }

    if (_current_page == NULL){
        if (_cur_lang != LAN_EN)
            dsv_warn("Warning:Can't find language source page:%d", page_id);
        return default_str;
    }

    if (_current_page->_loaded == false){
        load_page(*_current_page);
    }

    std::string key(str_id);

    if (_current_page->_released){
        auto it = _current_page->_res_history.find(key);
        if (it != _current_page->_res_history.end()){
            return (*it).second.c_str();
        }
    }
    else{
        auto it = _current_page->_res.find(key);
        if (it != _current_page->_res.end()){
            if (_current_page->_is_dynamic){
                _current_page->_res_history[key] = (*it).second; //Save to history list.
            }
            return (*it).second.c_str();
        }
    }   
   
    if(_cur_lang != LAN_EN){
        dsv_warn("Warning:Can't get language text:%s", str_id);
    }

    return default_str;
}

bool LangResource::is_new_decoder(const char *decoder_id)