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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmAddSubDirectoryCommand.h"
#include <cstring>
#include <sstream>
#include "cmExecutionStatus.h"
#include "cmMakefile.h"
#include "cmRange.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
bool cmAddSubDirectoryCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.empty()) {
status.SetError("called with incorrect number of arguments");
return false;
}
cmMakefile& mf = status.GetMakefile();
// store the binpath
std::string const& srcArg = args.front();
std::string binArg;
bool excludeFromAll = false;
// process the rest of the arguments looking for optional args
for (std::string const& arg : cmMakeRange(args).advance(1)) {
if (arg == "EXCLUDE_FROM_ALL") {
excludeFromAll = true;
continue;
}
if (binArg.empty()) {
binArg = arg;
} else {
status.SetError("called with incorrect number of arguments");
return false;
}
}
// Compute the full path to the specified source directory.
// Interpret a relative path with respect to the current source directory.
std::string srcPath;
if (cmSystemTools::FileIsFullPath(srcArg)) {
srcPath = srcArg;
} else {
srcPath = cmStrCat(mf.GetCurrentSourceDirectory(), '/', srcArg);
}
if (!cmSystemTools::FileIsDirectory(srcPath)) {
std::string error = cmStrCat("given source \"", srcArg,
"\" which is not an existing directory.");
status.SetError(error);
return false;
}
srcPath = cmSystemTools::CollapseFullPath(srcPath);
// Compute the full path to the binary directory.
std::string binPath;
if (binArg.empty()) {
// No binary directory was specified. If the source directory is
// not a subdirectory of the current directory then it is an
// error.
if (!cmSystemTools::IsSubDirectory(srcPath,
mf.GetCurrentSourceDirectory())) {
std::ostringstream e;
e << "not given a binary directory but the given source directory "
<< "\"" << srcPath << "\" is not a subdirectory of \""
<< mf.GetCurrentSourceDirectory() << "\". "
<< "When specifying an out-of-tree source a binary directory "
<< "must be explicitly specified.";
status.SetError(e.str());
return false;
}
// Remove the CurrentDirectory from the srcPath and replace it
// with the CurrentOutputDirectory.
const std::string& src = mf.GetCurrentSourceDirectory();
const std::string& bin = mf.GetCurrentBinaryDirectory();
size_t srcLen = src.length();
size_t binLen = bin.length();
if (srcLen > 0 && src.back() == '/') {
--srcLen;
}
if (binLen > 0 && bin.back() == '/') {
--binLen;
}
binPath = bin.substr(0, binLen) + srcPath.substr(srcLen);
} else {
// Use the binary directory specified.
// Interpret a relative path with respect to the current binary directory.
if (cmSystemTools::FileIsFullPath(binArg)) {
binPath = binArg;
} else {
binPath = cmStrCat(mf.GetCurrentBinaryDirectory(), '/', binArg);
}
}
binPath = cmSystemTools::CollapseFullPath(binPath);
// Add the subdirectory using the computed full paths.
mf.AddSubDirectory(srcPath, binPath, excludeFromAll, true);
return true;
}
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