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/*
* script.hh - Definition of the Script class
* libhscript, the HorizonScript library for
* Project Horizon
*
* Copyright (c) 2019 Adélie Linux and contributors. All rights reserved.
* This code is licensed under the AGPL 3.0 license, as noted in the
* LICENSE-code file in the root directory of this repository.
*
* SPDX-License-Identifier: AGPL-3.0-only
*/
#ifndef __HSCRIPT_SCRIPT_HH_
#define __HSCRIPT_SCRIPT_HH_
#include <string>
#include <vector>
#include <memory>
#include <bitset>
namespace Horizon {
/**** Script option flags ****/
enum ScriptOptionFlags {
/*! Don't stop after the first error. */
KeepGoing,
/*! Ensure network resources are available. */
UseNetwork,
/*! Treat warnings as errors. */
StrictMode,
/*! This is an Installation Environment - validate more keys. */
InstallEnvironment,
/*! "Pretty" output - used in interactive tooling only. */
Pretty,
/*! Just print commands that would be run, for testing/debug */
Simulate,
/*! Count of flags */
NumFlags
};
typedef std::bitset<ScriptOptionFlags::NumFlags> ScriptOptions;
/*! Defines the Script class, which represents a HorizonScript. */
class Script {
private:
/*! Initialise the Script class. */
Script();
ScriptOptions opts;
public:
/*! Free resources associated with the Script. */
~Script();
/*! Load a HorizonScript from the specified path.
* @param path The path to load from.
* @param options Options to use for parsing, validation, and execution.
* @return true if the Script could be loaded; false otherwise.
*/
static const Script *load(const std::string path, const ScriptOptions options = 0);
/*! Load a HorizonScript from the specified stream.
* @param stream The stream to load from.
* @param options Options to use for parsing, validation, and execution.
* @return true if the Script could be loaded; false otherwise.
*/
static const Script *load(std::istream &stream, const ScriptOptions options = 0);
/*! Determines if the HorizonScript is valid. */
bool validate() const;
/*! Executes the HorizonScript. */
bool execute() const;
private:
struct ScriptPrivate;
/*! Internal data. */
ScriptPrivate *internal;
};
}
#endif /* !__HSCRIPT_SCRIPT_HH_ */
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