54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
// Copyright 2017-2023 The Mumble Developers. All rights reserved.
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file at the root of the
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// Mumble source tree or at <https://www.mumble.info/LICENSE>.
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#ifndef MUMBLE_UTIL_H_
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#define MUMBLE_UTIL_H_
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#include <algorithm>
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#include <string>
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#include <vector>
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/// Returns true if |path| is an absolute path.
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/// Returns false if |path| is not an absolute path.
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static inline bool isAbsPath(const std::string &path) {
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return path.find("\\") != std::string::npos;
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}
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/// Convert the string |s| to lowercase and return it.
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static inline std::string slowercase(std::string s) {
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std::transform(s.begin(), s.end(), s.begin(), tolower);
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return s;
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}
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/// Convert all entries of |vec| to lowercase and return the resulting vector.
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static inline std::vector< std::string > vlowercase(std::vector< std::string > vec) {
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std::transform(vec.begin(), vec.end(), vec.begin(), slowercase);
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return vec;
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}
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/// Merge |v1| and |v2| and return the result.
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template< typename T > static inline std::vector< T > vmerge(std::vector< T > v1, const std::vector< T > &v2) {
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v1.insert(v1.end(), v2.begin(), v2.end());
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return v1;
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}
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/// Filter out all entries of |vremove| from |v| and return the result.
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template< typename T >
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static inline std::vector< T > vexclude(const std::vector< T > &v, const std::vector< T > &vremove) {
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std::vector< T > out;
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std::set_difference(v.begin(), v.end(), vremove.begin(), vremove.end(), std::inserter(out, out.begin()));
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return out;
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}
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/// Find the intersection between |v1| and |v2| and return the result.
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template< typename T >
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static inline std::vector< T > vintersect(const std::vector< T > &v1, const std::vector< T > &v2) {
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std::vector< T > out;
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std::set_intersection(v1.begin(), v1.end(), v2.begin(), v2.end(), std::inserter(out, out.begin()));
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return out;
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}
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#endif
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