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/*
* Copyright (C) 2010-2012 Jeremy Lainé
* Contact: http://code.google.com/p/qdjango/
*
* This file is part of the QDjango Library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
#include <cstdlib>
#include <QDebug>
#include <QMetaProperty>
#include <QStringList>
#include <QCoreApplication>
#include <QFileInfo>
#include <QScriptEngine>
#include <QSettings>
#include <QSqlDatabase>
#include <QTextStream>
#include <QtPlugin>
#include "QDjango.h"
#include "QDjangoScript.h"
#include "../../tests/auth-models.h"
static bool wantsToQuit;
Q_DECLARE_METATYPE(QDjangoQuerySet<User>)
Q_DECLARE_METATYPE(QDjangoQuerySet<Group>)
Q_DECLARE_METATYPE(QDjangoQuerySet<Message>)
static QScriptValue qtscript_dir(QScriptContext *ctx, QScriptEngine *eng)
{
QObject *obj = ctx->argument(0).toQObject();
if (obj)
{
const QMetaObject* meta = obj->metaObject();
for(int i = meta->propertyOffset(); i < meta->propertyCount(); ++i)
qDebug() << meta->property(i).name();
}
return eng->undefinedValue();
}
static QScriptValue qtscript_load(QScriptContext *ctx, QScriptEngine *eng)
{
QString name = ctx->argument(0).toString();
eng->importExtension(name);
return eng->undefinedValue();
}
static QScriptValue qtscript_quit(QScriptContext *ctx, QScriptEngine *eng)
{
Q_UNUSED(ctx);
wantsToQuit = true;
return eng->undefinedValue();
}
static QScriptValue qtscript_syncdb(QScriptContext *ctx, QScriptEngine *eng)
{
Q_UNUSED(ctx);
QDjango::createTables();
return eng->undefinedValue();
}
static void interactive(QScriptEngine *eng)
{
QScriptValue global = eng->globalObject();
if (!global.property(QLatin1String("dir")).isValid())
global.setProperty(QLatin1String("dir"), eng->newFunction(qtscript_dir));
if (!global.property(QLatin1String("load")).isValid())
global.setProperty(QLatin1String("load"), eng->newFunction(qtscript_load));
if (!global.property(QLatin1String("quit")).isValid())
global.setProperty(QLatin1String("quit"), eng->newFunction(qtscript_quit));
if (!global.property(QLatin1String("syncdb")).isValid())
global.setProperty(QLatin1String("syncdb"), eng->newFunction(qtscript_syncdb));
wantsToQuit = false;
QTextStream qin(stdin, QIODevice::ReadOnly);
const char *qscript_prompt = "qdjango> ";
const char *dot_prompt = ".... ";
const char *prompt = qscript_prompt;
QString code;
printf("Commands:\n"
"\tdir(obj) : print the object's properties\n"
"\tload() : loads a QtScript extension\n"
"\tquit() : exits console\n"
"\tsyncdb() : creates database tables\n");
forever {
QString line;
printf("%s", prompt);
fflush(stdout);
line = qin.readLine();
if (line.isNull())
break;
code += line;
code += QLatin1Char('\n');
if (line.trimmed().isEmpty()) {
continue;
} else if (! eng->canEvaluate(code)) {
prompt = dot_prompt;
} else {
QScriptValue result = eng->evaluate(code, QLatin1String("typein"));
code.clear();
prompt = qscript_prompt;
if (! result.isUndefined())
fprintf(stderr, "%s\n", qPrintable(result.toString()));
if (wantsToQuit)
break;
}
}
}
void usage()
{
fprintf(stderr, "Usage: qdjango-console [options]\n\n");
fprintf(stderr, "Options:\n");
fprintf(stderr, "-d <database> use <database>\n");
fprintf(stderr, "-p <plugins> add <plugins> to plugins search path\n");
}
int main(int argc, char *argv[])
{
QString databaseName(":memory:");
/* Create application */
QCoreApplication app(argc, argv);
/* Parse command line arguments */
for (int i = 1; i < argc; i++)
{
if (!strcmp(argv[i], "-h"))
{
usage();
return EXIT_SUCCESS;
} else if (!strcmp(argv[i], "-d")) {
if (i == argc - 1 || !strlen(argv[i+1]) || argv[i+1][0] == '-')
{
fprintf(stderr, "Option -d requires an argument\n");
usage();
return EXIT_FAILURE;
}
databaseName = QString::fromLocal8Bit(argv[++i]);
} else if (!strcmp(argv[i], "-p")) {
if (i == argc - 1 || !strlen(argv[i+1]) || argv[i+1][0] == '-')
{
fprintf(stderr, "Option -p requires an argument\n");
usage();
return EXIT_FAILURE;
}
app.setLibraryPaths(app.libraryPaths() << QString::fromLocal8Bit(argv[++i]));
}
}
/* Open database */
QSqlDatabase db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName(databaseName);
if (!db.open())
{
fprintf(stderr, "Could not access database '%s'\n", databaseName.toLocal8Bit().constData());
return EXIT_FAILURE;
}
QDjango::setDatabase(db);
/* Run interactive shell */
QScriptEngine *engine = new QScriptEngine();
QDjangoScript::registerWhere(engine);
QDjangoScript::registerModel<User>(engine);
QDjangoScript::registerModel<Group>(engine);
QDjangoScript::registerModel<Message>(engine);
qDebug() << "Available extensions: " << engine->availableExtensions();
interactive(engine);
return EXIT_SUCCESS;
}
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