summaryrefslogtreecommitdiffstats
path: root/Source/cmSourceGroupCommand.cxx
blob: a966300c0f84946ec7c981c291076a0c8538fc7b (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
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   file Copyright.txt or https://cmake.org/licensing for details.  */
#include "cmSourceGroupCommand.h"

#include <set>
#include <sstream>
#include <stddef.h>

#include "cmMakefile.h"
#include "cmSourceGroup.h"
#include "cmSystemTools.h"

namespace {
const size_t RootIndex = 1;
const size_t FilesWithoutPrefixKeywordIndex = 2;
const size_t FilesWithPrefixKeywordIndex = 4;
const size_t PrefixKeywordIndex = 2;

std::vector<std::string> tokenizePath(const std::string& path)
{
  return cmSystemTools::tokenize(path, "\\/");
}

std::string getFullFilePath(const std::string& currentPath,
                            const std::string& path)
{
  std::string fullPath = path;

  if (!cmSystemTools::FileIsFullPath(path.c_str())) {
    fullPath = currentPath;
    fullPath += "/";
    fullPath += path;
  }

  return cmSystemTools::CollapseFullPath(fullPath);
}

std::set<std::string> getSourceGroupFilesPaths(
  const std::string& root, const std::vector<std::string>& files)
{
  std::set<std::string> ret;
  const std::string::size_type rootLength = root.length();

  for (size_t i = 0; i < files.size(); ++i) {
    ret.insert(files[i].substr(rootLength + 1)); // +1 to also omnit last '/'
  }

  return ret;
}

bool rootIsPrefix(const std::string& root,
                  const std::vector<std::string>& files, std::string& error)
{
  for (size_t i = 0; i < files.size(); ++i) {
    if (!cmSystemTools::StringStartsWith(files[i], root.c_str())) {
      error = "ROOT: " + root + " is not a prefix of file: " + files[i];
      return false;
    }
  }

  return true;
}

cmSourceGroup* addSourceGroup(const std::vector<std::string>& tokenizedPath,
                              cmMakefile& makefile)
{
  cmSourceGroup* sg;

  sg = makefile.GetSourceGroup(tokenizedPath);
  if (!sg) {
    makefile.AddSourceGroup(tokenizedPath);
    sg = makefile.GetSourceGroup(tokenizedPath);
    if (!sg) {
      return CM_NULLPTR;
    }
  }

  return sg;
}

std::string prepareFilePathForTree(const std::string& path,
                                   const std::string& currentSourceDir)
{
  if (!cmSystemTools::FileIsFullPath(path)) {
    return cmSystemTools::CollapseFullPath(currentSourceDir + "/" + path);
  }
  return cmSystemTools::CollapseFullPath(path);
}

std::vector<std::string> prepareFilesPathsForTree(
  std::vector<std::string>::const_iterator begin,
  std::vector<std::string>::const_iterator end,
  const std::string& currentSourceDir)
{
  std::vector<std::string> prepared;

  for (; begin != end; ++begin) {
    prepared.push_back(prepareFilePathForTree(*begin, currentSourceDir));
  }

  return prepared;
}

bool addFilesToItsSourceGroups(const std::string& root,
                               const std::set<std::string>& sgFilesPaths,
                               const std::string& prefix, cmMakefile& makefile,
                               std::string& errorMsg)
{
  cmSourceGroup* sg;

  for (std::set<std::string>::const_iterator it = sgFilesPaths.begin();
       it != sgFilesPaths.end(); ++it) {

    std::vector<std::string> tokenizedPath;
    if (!prefix.empty()) {
      tokenizedPath = tokenizePath(prefix + '/' + *it);
    } else {
      tokenizedPath = tokenizePath(*it);
    }

    if (tokenizedPath.size() > 1) {
      tokenizedPath.pop_back();

      sg = addSourceGroup(tokenizedPath, makefile);

      if (!sg) {
        errorMsg = "Could not create source group for file: " + *it;
        return false;
      }
      const std::string fullPath = getFullFilePath(root, *it);
      sg->AddGroupFile(fullPath);
    }
  }

  return true;
}
}

class cmExecutionStatus;

// cmSourceGroupCommand
bool cmSourceGroupCommand::InitialPass(std::vector<std::string> const& args,
                                       cmExecutionStatus&)
{
  if (args.empty()) {
    this->SetError("called with incorrect number of arguments");
    return false;
  }

  if (args[0] == "TREE") {
    std::string error;

    if (!processTree(args, error)) {
      this->SetError(error);
      return false;
    }

    return true;
  }

  std::string delimiter = "\\";
  if (this->Makefile->GetDefinition("SOURCE_GROUP_DELIMITER")) {
    delimiter = this->Makefile->GetDefinition("SOURCE_GROUP_DELIMITER");
  }

  std::vector<std::string> folders =
    cmSystemTools::tokenize(args[0], delimiter);

  cmSourceGroup* sg = CM_NULLPTR;
  sg = this->Makefile->GetSourceGroup(folders);
  if (!sg) {
    this->Makefile->AddSourceGroup(folders);
    sg = this->Makefile->GetSourceGroup(folders);
  }

  if (!sg) {
    this->SetError("Could not create or find source group");
    return false;
  }
  // If only two arguments are given, the pre-1.8 version of the
  // command is being invoked.
  if (args.size() == 2 && args[1] != "FILES") {
    sg->SetGroupRegex(args[1].c_str());
    return true;
  }

  // Process arguments.
  bool doingFiles = false;
  for (unsigned int i = 1; i < args.size(); ++i) {
    if (args[i] == "REGULAR_EXPRESSION") {
      // Next argument must specify the regex.
      if (i + 1 < args.size()) {
        ++i;
        sg->SetGroupRegex(args[i].c_str());
      } else {
        this->SetError("REGULAR_EXPRESSION argument given without a regex.");
        return false;
      }
      doingFiles = false;
    } else if (args[i] == "FILES") {
      // Next arguments will specify files.
      doingFiles = true;
    } else if (doingFiles) {
      // Convert name to full path and add to the group's list.
      std::string src = args[i];
      if (!cmSystemTools::FileIsFullPath(src.c_str())) {
        src = this->Makefile->GetCurrentSourceDirectory();
        src += "/";
        src += args[i];
      }
      src = cmSystemTools::CollapseFullPath(src);
      sg->AddGroupFile(src);
    } else {
      std::ostringstream err;
      err << "Unknown argument \"" << args[i] << "\".  "
          << "Perhaps the FILES keyword is missing.\n";
      this->SetError(err.str());
      return false;
    }
  }

  return true;
}

bool cmSourceGroupCommand::checkTreeArgumentsPreconditions(
  const std::vector<std::string>& args, std::string& errorMsg) const
{
  if (args.size() == 1) {
    errorMsg = "TREE argument given without a root.";
    return false;
  }

  if (args.size() < 3) {
    errorMsg = "Missing FILES arguments.";
    return false;
  }

  if (args[FilesWithoutPrefixKeywordIndex] != "FILES" &&
      args[PrefixKeywordIndex] != "PREFIX") {
    errorMsg = "Unknown argument \"" + args[2] +
      "\". Perhaps the FILES keyword is missing.\n";
    return false;
  }

  if (args[PrefixKeywordIndex] == "PREFIX" &&
      (args.size() < 5 || args[FilesWithPrefixKeywordIndex] != "FILES")) {
    errorMsg = "Missing FILES arguments.";
    return false;
  }

  return true;
}

bool cmSourceGroupCommand::processTree(const std::vector<std::string>& args,
                                       std::string& errorMsg)
{
  if (!checkTreeArgumentsPreconditions(args, errorMsg)) {
    return false;
  }

  const std::string root = cmSystemTools::CollapseFullPath(args[RootIndex]);
  std::string prefix;
  size_t filesBegin = FilesWithoutPrefixKeywordIndex + 1;
  if (args[PrefixKeywordIndex] == "PREFIX") {
    prefix = args[PrefixKeywordIndex + 1];
    filesBegin = FilesWithPrefixKeywordIndex + 1;
  }

  const std::vector<std::string> filesVector =
    prepareFilesPathsForTree(args.begin() + filesBegin, args.end(),
                             this->Makefile->GetCurrentSourceDirectory());

  if (!rootIsPrefix(root, filesVector, errorMsg)) {
    return false;
  }

  std::set<std::string> sourceGroupPaths =
    getSourceGroupFilesPaths(root, filesVector);

  if (!addFilesToItsSourceGroups(root, sourceGroupPaths, prefix,
                                 *(this->Makefile), errorMsg)) {
    return false;
  }

  return true;
}