ClickHouse/programs/disks/DisksApp.h
2024-10-24 16:10:56 +02:00

110 lines
3.4 KiB
C++

#pragma once
#include <unordered_map>
#include <vector>
#include <Client/LineReader.h>
#include <Loggers/Loggers.h>
#include "DisksClient.h"
#include "ICommand_fwd.h"
#include <Interpreters/Context.h>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/variables_map.hpp>
#include <Poco/Util/Application.h>
namespace DB
{
using ProgramOptionsDescription = boost::program_options::options_description;
using CommandLineOptions = boost::program_options::variables_map;
class DisksApp : public Poco::Util::Application
{
public:
void addOptions();
void processOptions();
bool processQueryText(const String & text);
void init(const std::vector<String> & common_arguments);
int main(const std::vector<String> & /*args*/) override;
CommandPtr getCommandByName(const String & command) const;
void initializeHistoryFile();
static void parseAndCheckOptions(
const std::vector<String> & arguments, const ProgramOptionsDescription & options_description, CommandLineOptions & options);
void printEntryHelpMessage() const;
void printAvailableCommandsHelpMessage() const;
void printCommandHelpMessage(String command_name) const;
void printCommandHelpMessage(CommandPtr command) const;
String getCommandLineWithAliases(CommandPtr command) const;
std::vector<String> getCompletions(const String & prefix) const;
std::vector<String> getEmptyCompletion(String command_name) const;
~DisksApp() override;
private:
void runInteractive();
void runInteractiveReplxx();
void runInteractiveTestMode();
String getDefaultConfigFileName();
std::vector<String> getCommandsToComplete(const String & command_prefix) const;
// Fields responsible for the REPL work
String history_file;
UInt32 history_max_entries = 0; /// Maximum number of entries in the history file. Needs to be initialized to 0 since we don't have a proper constructor. Worry not, actual value is set within the initializeHistoryFile method.
LineReader::Suggest suggest;
static LineReader::Patterns query_extenders;
static LineReader::Patterns query_delimiters;
static String word_break_characters;
// General command line arguments parsing fields
SharedContextHolder shared_context;
ContextMutablePtr global_context;
ProgramOptionsDescription options_description;
CommandLineOptions options;
std::unordered_map<String, CommandPtr> command_descriptions;
std::optional<String> query;
const std::unordered_map<String, String> aliases
= {{"cp", "copy"},
{"mv", "move"},
{"ls", "list"},
{"list_disks", "list-disks"},
{"ln", "link"},
{"rm", "remove"},
{"cat", "read"},
{"r", "read"},
{"w", "write"},
{"create", "touch"},
{"delete", "remove"},
{"ls-disks", "list-disks"},
{"ls_disks", "list-disks"},
{"packed_io", "packed-io"},
{"change-dir", "cd"},
{"change_dir", "cd"},
{"switch_disk", "switch-disk"},
{"current", "current_disk_with_path"},
{"current_disk", "current_disk_with_path"},
{"current_path", "current_disk_with_path"},
{"cur", "current_disk_with_path"}};
std::set<String> multidisk_commands = {"copy", "packed-io", "switch-disk", "cd"};
std::unique_ptr<DisksClient> client{};
};
}