39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
// Copyright 2014 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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//
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// Flag validation help functions.
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#ifndef APP_VALIDATE_FLAG_H_
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#define APP_VALIDATE_FLAG_H_
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#include <string>
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namespace edash_packager {
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/// Validate a flag against the given condition.
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/// @param flag_name is the name of the flag.
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/// @param flag_value is the value of the flag.
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/// @param condition,optional determines how the flag should be validated. If
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/// condition is true and optional is false, then this flag is required
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// and cannot be empty; If condition is false, then this flag should
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// not be set.
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/// @param label specifies the label associated with the condition. It is used
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/// to generate the error message on validation failure.
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/// @return true on success, false otherwise.
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bool ValidateFlag(const char* flag_name,
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const std::string& flag_value,
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bool condition,
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bool optional,
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const char* label);
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/// Format and print error message.
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/// @param error_message specifies the error message.
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void PrintError(const std::string& error_message);
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} // namespace edash_packager
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#endif // APP_VALIDATE_FLAG_H_
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