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arangodb/MRClient/arangoirb.cpp

523 lines
16 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief MRuby shell
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2012 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2011-2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#include <v8.h>
#include <stdio.h>
#include <fstream>
#include "build.h"
#include "BasicsC/csv.h"
#include "Basics/ProgramOptions.h"
#include "Basics/ProgramOptionsDescription.h"
#include "Basics/StringUtils.h"
#include "BasicsC/files.h"
#include "BasicsC/init.h"
#include "BasicsC/logging.h"
#include "BasicsC/strings.h"
#include "Logger/Logger.h"
#include "MRuby/MRLineEditor.h"
#include "MRuby/MRLoader.h"
#include "MRuby/mr-utils.h"
#include "SimpleHttpClient/SimpleHttpClient.h"
#include "SimpleHttpClient/SimpleHttpResult.h"
extern "C" {
#include "mruby.h"
#include "mruby/proc.h"
#include "mruby/data.h"
#include "mruby/variable.h"
#include "compile.h"
}
using namespace std;
using namespace triagens::basics;
using namespace triagens::httpclient;
using namespace triagens::arango;
// -----------------------------------------------------------------------------
// --SECTION-- private variables
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup MRShell
/// @{
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @brief connection default values
////////////////////////////////////////////////////////////////////////////////
// static string DEFAULT_SERVER_NAME = "localhost";
// static int DEFAULT_SERVER_PORT = 8529;
// static double DEFAULT_REQUEST_TIMEOUT = 10.0;
// static size_t DEFAULT_RETRIES = 5;
// static double DEFAULT_CONNECTION_TIMEOUT = 1.0;
////////////////////////////////////////////////////////////////////////////////
/// @brief path for Ruby bootstrap files
////////////////////////////////////////////////////////////////////////////////
static string StartupPath = "";
////////////////////////////////////////////////////////////////////////////////
/// @brief path for Ruby modules files
////////////////////////////////////////////////////////////////////////////////
static string StartupModules = "";
////////////////////////////////////////////////////////////////////////////////
/// @brief startup JavaScript files
////////////////////////////////////////////////////////////////////////////////
static MRLoader StartupLoader;
////////////////////////////////////////////////////////////////////////////////
/// @brief server address
////////////////////////////////////////////////////////////////////////////////
static string ServerAddress = "127.0.0.1:8529";
////////////////////////////////////////////////////////////////////////////////
/// @brief the output pager
////////////////////////////////////////////////////////////////////////////////
static string OutputPager = "less -X -R -F -L";
////////////////////////////////////////////////////////////////////////////////
/// @brief the pager FILE
////////////////////////////////////////////////////////////////////////////////
// static FILE* PAGER = stdout;
////////////////////////////////////////////////////////////////////////////////
/// @brief use pager
////////////////////////////////////////////////////////////////////////////////
static bool UsePager = false;
////////////////////////////////////////////////////////////////////////////////
/// @brief deactivate colors
////////////////////////////////////////////////////////////////////////////////
static bool NoColors = false;
////////////////////////////////////////////////////////////////////////////////
/// @brief use pretty print
////////////////////////////////////////////////////////////////////////////////
static bool PrettyPrint = false;
////////////////////////////////////////////////////////////////////////////////
/// @brief disable auto completion
////////////////////////////////////////////////////////////////////////////////
static bool NoAutoComplete = false;
////////////////////////////////////////////////////////////////////////////////
/// @brief adding colors for output
////////////////////////////////////////////////////////////////////////////////
static char DEF_RED[6] = "\x1b[31m";
// static char DEF_BOLD_RED[8] = "\x1b[1;31m";
static char DEF_GREEN[6] = "\x1b[32m";
// static char DEF_BOLD_GREEN[8] = "\x1b[1;32m";
// static char DEF_BLUE[6] = "\x1b[34m";
// static char DEF_BOLD_BLUE[8] = "\x1b[1;34m";
// static char DEF_YELLOW[8] = "\x1b[1;33m";
// static char DEF_WHITE[6] = "\x1b[37m";
// static char DEF_BOLD_WHITE[8] = "\x1b[1;37m";
// static char DEF_BLACK[6] = "\x1b[30m";
// static char DEF_BOLD_BLACK[8] = "\x1b[1;39m";
// static char DEF_BLINK[5] = "\x1b[5m";
// static char DEF_BRIGHT[5] = "\x1b[1m";
static char DEF_RESET[5] = "\x1b[0m";
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- JavaScript functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup MRShell
/// @{
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @brief print to pager
////////////////////////////////////////////////////////////////////////////////
#if 0
static void InternalPrint (const char *format, const char *str = 0) {
if (str) {
fprintf(PAGER, format, str);
}
else {
fprintf(PAGER, "%s", format);
}
}
#endif
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- private functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup MRShell
/// @{
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @brief starts pager
////////////////////////////////////////////////////////////////////////////////
#if 0
static void StartPager () {
if (! UsePager || OutputPager == "" || OutputPager == "stdout") {
PAGER = stdout;
return;
}
PAGER = popen(OutputPager.c_str(), "w");
if (PAGER == 0) {
printf("popen() failed! defaulting PAGER to stdout!\n");
PAGER = stdout;
UsePager = false;
}
}
#endif
////////////////////////////////////////////////////////////////////////////////
/// @brief stops pager
////////////////////////////////////////////////////////////////////////////////
#if 0
static void StopPager () {
if (PAGER != stdout) {
pclose(PAGER);
}
}
#endif
////////////////////////////////////////////////////////////////////////////////
/// @brief splits the address
////////////////////////////////////////////////////////////////////////////////
#if 0
static bool SplitServerAdress (string const& definition, string& address, int& port) {
if (definition.empty()) {
return false;
}
if (definition[0] == '[') {
// ipv6 address
size_t find = definition.find("]:", 1);
if (find != string::npos && find + 2 < definition.size()) {
address = definition.substr(1, find - 1);
port = triagens::basics::StringUtils::uint32(definition.substr(find + 2));
return true;
}
}
int n = triagens::basics::StringUtils::numEntries(definition, ":");
if (n == 1) {
address = "";
port = triagens::basics::StringUtils::uint32(definition);
return true;
}
else if (n == 2) {
address = triagens::basics::StringUtils::entry(1, definition, ":");
port = triagens::basics::StringUtils::int32(triagens::basics::StringUtils::entry(2, definition, ":"));
return true;
}
else {
return false;
}
}
#endif
////////////////////////////////////////////////////////////////////////////////
/// @brief parses the program options
////////////////////////////////////////////////////////////////////////////////
static void ParseProgramOptions (int argc, char* argv[]) {
string level = "info";
ProgramOptionsDescription description("STANDARD options");
ProgramOptionsDescription hidden("HIDDEN options");
hidden
("colors", "activate color support")
("no-pretty-print", "disable pretty printting")
("auto-complete", "enable auto completion, use no-auto-complete to disable")
;
description
("help,h", "help message")
("log.level,l", &level, "log level")
("server", &ServerAddress, "server address and port")
("startup.directory", &StartupPath, "startup paths containing the Ruby files; multiple directories can be separated by cola")
("startup.modules-path", &StartupModules, "one or more directories separated by cola")
("pager", &OutputPager, "output pager")
("use-pager", "use pager")
("pretty-print", "pretty print values")
("no-colors", "deactivate color support")
("no-auto-complete", "disable auto completion")
// ("unit-tests", &UnitTests, "do not start as shell, run unit tests instead")
(hidden, true)
;
ProgramOptions options;
if (! options.parse(description, argc, argv)) {
cerr << options.lastError() << "\n";
exit(EXIT_FAILURE);
}
// check for help
set<string> help = options.needHelp("help");
if (! help.empty()) {
cout << description.usage(help) << endl;
exit(EXIT_SUCCESS);
}
// set the logging
TRI_SetLogLevelLogging(level.c_str());
TRI_CreateLogAppenderFile("-");
// set colors
if (options.has("colors")) {
NoColors = false;
}
if (options.has("no-colors")) {
NoColors = true;
}
if (options.has("auto-complete")) {
NoAutoComplete = false;
}
if (options.has("no-auto-complete")) {
NoAutoComplete = true;
}
if (options.has("pretty-print")) {
PrettyPrint = true;
}
if (options.has("no-pretty-print")) {
PrettyPrint = false;
}
if (options.has("use-pager")) {
UsePager = true;
}
}
////////////////////////////////////////////////////////////////////////////////
/// @brief executes the shell
////////////////////////////////////////////////////////////////////////////////
static void RunShell (MR_state_t* mrs) {
MRLineEditor* console = new MRLineEditor(mrs, ".arango-mrb");
console->open(! NoAutoComplete);
while (true) {
char* input = console->prompt("arangoirb> ");
if (input == 0) {
break;
}
if (*input == '\0') {
TRI_FreeString(TRI_CORE_MEM_ZONE, input);
continue;
}
console->addHistory(input);
struct mrb_parser_state* p = mrb_parse_nstring(&mrs->_mrb, input, strlen(input));
TRI_FreeString(TRI_CORE_MEM_ZONE, input);
if (p == 0 || p->tree == 0 || 0 < p->nerr) {
cout << "UPPS!\n";
continue;
}
int n = mrb_generate_code(&mrs->_mrb, p->tree);
if (n < 0) {
cout << "UPPS: " << n << " returned by mrb_generate_code\n";
continue;
}
mrb_value result = mrb_run(&mrs->_mrb,
mrb_proc_new(&mrs->_mrb, mrs->_mrb.irep[n]),
mrb_top_self(&mrs->_mrb));
if (mrs->_mrb.exc) {
cout << "Caught exception:\n";
mrb_p(&mrs->_mrb, mrb_obj_value(mrs->_mrb.exc));
mrs->_mrb.exc = 0;
}
else if (! mrb_nil_p(result)) {
mrb_p(&mrs->_mrb, result);
}
}
console->close();
printf("\nBye Bye! Auf Wiedersehen! さようなら\n");
}
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- public functions
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup MRShell
/// @{
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @brief main
////////////////////////////////////////////////////////////////////////////////
int main (int argc, char* argv[]) {
TRIAGENS_C_INITIALISE;
TRI_InitialiseLogging(false);
int ret = EXIT_SUCCESS;
// parse the program options
ParseProgramOptions(argc, argv);
// http://www.network-science.de/ascii/ Font: ogre
{
char const* g = DEF_GREEN;
char const* r = DEF_RED;
char const* z = DEF_RESET;
if (NoColors) {
g = "";
r = "";
z = "";
}
printf("%s %s _ _ %s\n", g, r, z);
printf("%s __ _ _ __ __ _ _ __ __ _ ___ %s(_)_ __| |__ %s\n", g, r, z);
printf("%s / _` | '__/ _` | '_ \\ / _` |/ _ \\%s| | '__| '_ \\ %s\n", g, r, z);
printf("%s| (_| | | | (_| | | | | (_| | (_) %s| | | | |_) |%s\n", g, r, z);
printf("%s \\__,_|_| \\__,_|_| |_|\\__, |\\___/%s|_|_| |_.__/ %s\n", g, r, z);
printf("%s |___/ %s %s\n", g, r, z);
}
printf("\n");
printf("Welcome to arangoirb %s. Copyright (c) 2012 triAGENS GmbH.\n", TRIAGENS_VERSION);
#ifdef TRI_V8_VERSION
printf("Using MRUBY %s engine. Copyright (c) 2012 mruby developers.\n", TRI_MRUBY_VERSION);
#endif
#ifdef TRI_READLINE_VERSION
printf("Using READLINE %s.\n", TRI_READLINE_VERSION);
#endif
printf("\n");
if (UsePager) {
printf("Using pager '%s' for output buffering.\n", OutputPager.c_str());
}
if (PrettyPrint) {
printf("Pretty print values.\n");
}
// create a new ruby shell
MR_state_t* mrs = MR_OpenShell();
TRI_InitMRUtils(mrs);
// load java script from js/bootstrap/*.h files
if (StartupPath.empty()) {
StartupLoader.defineScript("client/client.rb", "");
}
else {
LOGGER_DEBUG << "using JavaScript startup files at '" << StartupPath << "'";
StartupLoader.setDirectory(StartupPath);
}
// load all init files
char const* files[] = {
"client/client.rb"
};
for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); ++i) {
bool ok = StartupLoader.loadScript(&mrs->_mrb, files[i]);
if (ok) {
LOGGER_TRACE << "loaded ruby file '" << files[i] << "'";
}
else {
LOGGER_ERROR << "cannot load ruby file '" << files[i] << "'";
exit(EXIT_FAILURE);
}
}
RunShell(mrs);
return ret;
}
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// Local Variables:
// mode: outline-minor
// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
// End: