summaryrefslogtreecommitdiff
path: root/Source/cmSearchPath.cxx
blob: 879cc9571a648fcc3570d090e1096e5e47f96bd6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#include "cmSearchPath.h"

#include <algorithm>
#include <cassert>
#include <utility>

#include "cmFindCommon.h"
#include "cmMakefile.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"

cmSearchPath::cmSearchPath(cmFindCommon* findCmd)
  : FC(findCmd)
{
}

cmSearchPath::~cmSearchPath() = default;

void cmSearchPath::ExtractWithout(const std::set<std::string>& ignore,
                                  std::vector<std::string>& outPaths,
                                  bool clear) const
{
  if (clear) {
    outPaths.clear();
  }
  for (std::string const& path : this->Paths) {
    if (ignore.count(path) == 0) {
      outPaths.push_back(path);
    }
  }
}

void cmSearchPath::AddPath(const std::string& path)
{
  this->AddPathInternal(path);
}

void cmSearchPath::AddUserPath(const std::string& path)
{
  assert(this->FC != nullptr);

  std::vector<std::string> outPaths;

  // We should view the registry as the target application would view
  // it.
  cmSystemTools::KeyWOW64 view = cmSystemTools::KeyWOW64_32;
  cmSystemTools::KeyWOW64 other_view = cmSystemTools::KeyWOW64_64;
  if (this->FC->Makefile->PlatformIs64Bit()) {
    view = cmSystemTools::KeyWOW64_64;
    other_view = cmSystemTools::KeyWOW64_32;
  }

  // Expand using the view of the target application.
  std::string expanded = path;
  cmSystemTools::ExpandRegistryValues(expanded, view);
  cmSystemTools::GlobDirs(expanded, outPaths);

  // Executables can be either 32-bit or 64-bit, so expand using the
  // alternative view.
  if (expanded != path && this->FC->CMakePathName == "PROGRAM") {
    expanded = path;
    cmSystemTools::ExpandRegistryValues(expanded, other_view);
    cmSystemTools::GlobDirs(expanded, outPaths);
  }

  // Process them all from the current directory
  for (std::string const& p : outPaths) {
    this->AddPathInternal(
      p, this->FC->Makefile->GetCurrentSourceDirectory().c_str());
  }
}

void cmSearchPath::AddCMakePath(const std::string& variable)
{
  assert(this->FC != nullptr);

  // Get a path from a CMake variable.
  if (const char* value = this->FC->Makefile->GetDefinition(variable)) {
    std::vector<std::string> expanded;
    cmSystemTools::ExpandListArgument(value, expanded);

    for (std::string const& p : expanded) {
      this->AddPathInternal(
        p, this->FC->Makefile->GetCurrentSourceDirectory().c_str());
    }
  }
}

void cmSearchPath::AddEnvPath(const std::string& variable)
{
  std::vector<std::string> expanded;
  cmSystemTools::GetPath(expanded, variable.c_str());
  for (std::string const& p : expanded) {
    this->AddPathInternal(p);
  }
}

void cmSearchPath::AddCMakePrefixPath(const std::string& variable)
{
  assert(this->FC != nullptr);

  // Get a path from a CMake variable.
  if (const char* value = this->FC->Makefile->GetDefinition(variable)) {
    std::vector<std::string> expanded;
    cmSystemTools::ExpandListArgument(value, expanded);

    this->AddPrefixPaths(
      expanded, this->FC->Makefile->GetCurrentSourceDirectory().c_str());
  }
}

static std::string cmSearchPathStripBin(std::string const& s)
{
  // If the path is a PREFIX/bin case then add its parent instead.
  if ((cmHasLiteralSuffix(s, "/bin")) || (cmHasLiteralSuffix(s, "/sbin"))) {
    return cmSystemTools::GetFilenamePath(s);
  }
  return s;
}

void cmSearchPath::AddEnvPrefixPath(const std::string& variable, bool stripBin)
{
  std::vector<std::string> expanded;
  cmSystemTools::GetPath(expanded, variable.c_str());
  if (stripBin) {
    std::transform(expanded.begin(), expanded.end(), expanded.begin(),
                   cmSearchPathStripBin);
  }
  this->AddPrefixPaths(expanded);
}

void cmSearchPath::AddSuffixes(const std::vector<std::string>& suffixes)
{
  std::vector<std::string> inPaths;
  inPaths.swap(this->Paths);
  this->Paths.reserve(inPaths.size() * (suffixes.size() + 1));

  for (std::string& inPath : inPaths) {
    cmSystemTools::ConvertToUnixSlashes(inPath);

    // if *i is only / then do not add a //
    // this will get incorrectly considered a network
    // path on windows and cause huge delays.
    std::string p = inPath;
    if (!p.empty() && p.back() != '/') {
      p += "/";
    }

    // Combine with all the suffixes
    for (std::string const& suffix : suffixes) {
      this->Paths.push_back(p + suffix);
    }

    // And now the original w/o any suffix
    this->Paths.push_back(std::move(inPath));
  }
}

void cmSearchPath::AddPrefixPaths(const std::vector<std::string>& paths,
                                  const char* base)
{
  assert(this->FC != nullptr);

  // default for programs
  std::string subdir = "bin";

  if (this->FC->CMakePathName == "INCLUDE") {
    subdir = "include";
  } else if (this->FC->CMakePathName == "LIBRARY") {
    subdir = "lib";
  } else if (this->FC->CMakePathName == "FRAMEWORK") {
    subdir.clear(); // ? what to do for frameworks ?
  }

  for (std::string const& path : paths) {
    std::string dir = path;
    if (!subdir.empty() && !dir.empty() && dir.back() != '/') {
      dir += "/";
    }
    if (subdir == "include" || subdir == "lib") {
      const char* arch =
        this->FC->Makefile->GetDefinition("CMAKE_LIBRARY_ARCHITECTURE");
      if (arch && *arch) {
        this->AddPathInternal(dir + subdir + "/" + arch, base);
      }
    }
    std::string add = dir + subdir;
    if (add != "/") {
      this->AddPathInternal(add, base);
    }
    if (subdir == "bin") {
      this->AddPathInternal(dir + "sbin", base);
    }
    if (!subdir.empty() && path != "/") {
      this->AddPathInternal(path, base);
    }
  }
}

void cmSearchPath::AddPathInternal(const std::string& path, const char* base)
{
  assert(this->FC != nullptr);

  std::string collapsed = cmSystemTools::CollapseFullPath(path, base);

  if (collapsed.empty()) {
    return;
  }

  // Insert the path if has not already been emitted.
  if (this->FC->SearchPathsEmitted.insert(collapsed).second) {
    this->Paths.push_back(std::move(collapsed));
  }
}