From 12be7ab4876f77fecfab903df70791623219b3da Mon Sep 17 00:00:00 2001
From: Georgios Pinitas <georgios.pinitas@arm.com>
Date: Tue, 3 Jul 2018 12:06:23 +0100
Subject: COMPMID-1310: Create graph validation executables.

Change-Id: I9e0b57b1b83fe5a95777cdaeddba6ecef650bafc
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/138697
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
Tested-by: Jenkins <bsgcomp@arm.com>
---
 utils/command_line/EnumOption.h | 136 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 136 insertions(+)
 create mode 100644 utils/command_line/EnumOption.h

(limited to 'utils/command_line/EnumOption.h')

diff --git a/utils/command_line/EnumOption.h b/utils/command_line/EnumOption.h
new file mode 100644
index 0000000000..b775db23fb
--- /dev/null
+++ b/utils/command_line/EnumOption.h
@@ -0,0 +1,136 @@
+/*
+ * 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_ENUMOPTION
+#define ARM_COMPUTE_UTILS_ENUMOPTION
+
+#include "SimpleOption.h"
+
+#include <set>
+#include <sstream>
+#include <stdexcept>
+#include <string>
+
+namespace arm_compute
+{
+namespace utils
+{
+/** Implementation of a simple option that accepts a value from a fixed set. */
+template <typename T>
+class EnumOption : public SimpleOption<T>
+{
+public:
+    /** Construct option with allowed values.
+     *
+     * @param[in] name           Name of the option.
+     * @param[in] allowed_values Set of allowed values for the option.
+     */
+    EnumOption(std::string name, std::set<T> allowed_values);
+
+    /** Construct option with allowed values, a fixed number of accepted values and default values for the option.
+     *
+     * @param[in] name           Name of the option.
+     * @param[in] allowed_values Set of allowed values for the option.
+     * @param[in] default_value  Default value.
+     */
+    EnumOption(std::string name, std::set<T> allowed_values, T default_value);
+
+    bool parse(std::string value) override;
+    std::string help() const override;
+
+    /** Get the selected value.
+     *
+     * @return get the selected enum value.
+     */
+    const T &value() const;
+
+private:
+    std::set<T> _allowed_values{};
+};
+
+template <typename T>
+inline EnumOption<T>::EnumOption(std::string name, std::set<T> allowed_values)
+    : SimpleOption<T>{ std::move(name) }, _allowed_values{ std::move(allowed_values) }
+{
+}
+
+template <typename T>
+inline EnumOption<T>::EnumOption(std::string name, std::set<T> allowed_values, T default_value)
+    : SimpleOption<T>{ std::move(name), std::move(default_value) }, _allowed_values{ std::move(allowed_values) }
+{
+}
+
+template <typename T>
+bool EnumOption<T>::parse(std::string value)
+{
+    try
+    {
+        std::stringstream stream{ value };
+        T                 typed_value{};
+
+        stream >> typed_value;
+
+        if(!stream.fail())
+        {
+            if(_allowed_values.count(typed_value) == 0)
+            {
+                return false;
+            }
+
+            this->_value  = std::move(typed_value);
+            this->_is_set = true;
+            return true;
+        }
+
+        return false;
+    }
+    catch(const std::invalid_argument &)
+    {
+        return false;
+    }
+}
+
+template <typename T>
+std::string EnumOption<T>::help() const
+{
+    std::stringstream msg;
+    msg << "--" + this->name() + "={";
+
+    for(const auto &value : _allowed_values)
+    {
+        msg << value << ",";
+    }
+
+    msg << "} - " << this->_help;
+
+    return msg.str();
+}
+
+template <typename T>
+inline const T &EnumOption<T>::value() const
+{
+    return this->_value;
+}
+} // namespace utils
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_UTILS_ENUMOPTION */
-- 
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