1 files changed, 141 insertions, 0 deletions
diff --git a/utils/command_line/Option.h b/utils/command_line/Option.h
new file mode 100644
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+++ b/utils/command_line/Option.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2017-2018 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_UTILS_OPTIONBASE
+#define ARM_COMPUTE_UTILS_OPTIONBASE
+
+#include <string>
+
+namespace arm_compute
+{
+namespace utils
+{
+/** Abstract base class for a command line option. */
+class Option
+{
+public:
+    /** Constructor.
+     *
+     * @param[in] name Name of the option.
+     */
+    Option(std::string name);
+
+    /** Constructor.
+     *
+     * @param[in] name        Name of the option.
+     * @param[in] is_required Is the option required?
+     * @param[in] is_set      Has a value been assigned to the option?
+     */
+    Option(std::string name, bool is_required, bool is_set);
+
+    /** Default destructor. */
+    virtual ~Option() = default;
+
+    /** Parses the given string.
+     *
+     * @param[in] value String representation as passed on the command line.
+     *
+     * @return True if the value could be parsed by the specific subclass.
+     */
+    virtual bool parse(std::string value) = 0;
+
+    /** Help message for the option.
+     *
+     * @return String representing the help message for the specific subclass.
+     */
+    virtual std::string help() const = 0;
+
+    /** Name of the option.
+     *
+     * @return Name of the option.
+     */
+    std::string name() const;
+
+    /** Set whether the option is required.
+     *
+     * @param[in] is_required Pass true if the option is required.
+     */
+    void set_required(bool is_required);
+
+    /** Set the help message for the option.
+     *
+     * @param[in] help Option specific help message.
+     */
+    void set_help(std::string help);
+
+    /** Is the option required?
+     *
+     * @return True if the option is required.
+     */
+    bool is_required() const;
+
+    /** Has a value been assigned to the option?
+     *
+     * @return True if a value has been set.
+     */
+    bool is_set() const;
+
+protected:
+    std::string _name;
+    bool        _is_required{ false };
+    bool        _is_set{ false };
+    std::string _help{};
+};
+
+inline Option::Option(std::string name)
+    : _name{ std::move(name) }
+{
+}
+
+inline Option::Option(std::string name, bool is_required, bool is_set)
+    : _name{ std::move(name) }, _is_required{ is_required }, _is_set{ is_set }
+{
+}
+
+inline std::string Option::name() const
+{
+    return _name;
+}
+
+inline void Option::set_required(bool is_required)
+{
+    _is_required = is_required;
+}
+
+inline void Option::set_help(std::string help)
+{
+    _help = std::move(help);
+}
+
+inline bool Option::is_required() const
+{
+    return _is_required;
+}
+
+inline bool Option::is_set() const
+{
+    return _is_set;
+}
+} // namespace utils
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_UTILS_OPTIONBASE */