Source/cmSearchPath.h

   1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2    file Copyright.txt or https://cmake.org/licensing for details.  */
   3 #pragma once
   4
   5 #include "cmConfigure.h" // IWYU pragma: keep
   6
   7 #include <cstddef>
   8 #include <set>
   9 #include <string>
  10 #include <vector>
  11
  12 class cmFindCommon;
  13
  14 /** \class cmSearchPath
  15  * \brief Container for encapsulating a set of search paths
  16  *
  17  * cmSearchPath is a container that encapsulates search path construction and
  18  * management
  19  */
  20 class cmSearchPath
  21 {
  22 public:
  23   // cmSearchPath must be initialized from a valid pointer.  The only reason
  24   // for the default is to allow it to be easily used in stl containers.
  25   // Attempting to initialize with a NULL value will fail an assertion
  26   cmSearchPath(cmFindCommon* findCmd = nullptr);
  27   ~cmSearchPath();
  28
  29   cmSearchPath(const cmSearchPath&) = default;
  30   cmSearchPath& operator=(const cmSearchPath&) = default;
  31
  32   struct PathWithPrefix
  33   {
  34     std::string Path;
  35     std::string Prefix;
  36
  37     bool operator<(const PathWithPrefix& other) const
  38     {
  39       return this->Path < other.Path ||
  40         (this->Path == other.Path && this->Prefix < other.Prefix);
  41     }
  42   };
  43   const std::vector<PathWithPrefix>& GetPaths() const { return this->Paths; }
  44   std::size_t size() const { return this->Paths.size(); }
  45
  46   void ExtractWithout(const std::set<std::string>& ignorePaths,
  47                       const std::set<std::string>& ignorePrefixes,
  48                       std::vector<std::string>& outPaths,
  49                       bool clear = false) const;
  50
  51   void AddPath(const std::string& path);
  52   void AddUserPath(const std::string& path);
  53   void AddCMakePath(const std::string& variable);
  54   void AddEnvPath(const std::string& variable);
  55   void AddCMakePrefixPath(const std::string& variable);
  56   void AddEnvPrefixPath(const std::string& variable, bool stripBin = false);
  57   void AddSuffixes(const std::vector<std::string>& suffixes);
  58   void AddPrefixPaths(const std::vector<std::string>& paths,
  59                       const char* base = nullptr);
  60
  61 protected:
  62   void AddPathInternal(const std::string& path, const std::string& prefix,
  63                        const char* base = nullptr);
  64
  65   cmFindCommon* FC;
  66   std::vector<PathWithPrefix> Paths;
  67 };