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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 "cmIncludeDirectoryCommand.h"
#include <algorithm>
#include <set>
#include <utility>
#include "cmAlgorithms.h"
#include "cmGeneratorExpression.h"
#include "cmMakefile.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
class cmExecutionStatus;
// cmIncludeDirectoryCommand
bool cmIncludeDirectoryCommand::InitialPass(
std::vector<std::string> const& args, cmExecutionStatus&)
{
if (args.empty()) {
return true;
}
std::vector<std::string>::const_iterator i = args.begin();
bool before = this->Makefile->IsOn("CMAKE_INCLUDE_DIRECTORIES_BEFORE");
bool system = false;
if ((*i) == "BEFORE") {
before = true;
++i;
} else if ((*i) == "AFTER") {
before = false;
++i;
}
std::vector<std::string> beforeIncludes;
std::vector<std::string> afterIncludes;
std::set<std::string> systemIncludes;
for (; i != args.end(); ++i) {
if (*i == "SYSTEM") {
system = true;
continue;
}
if (i->empty()) {
this->SetError("given empty-string as include directory.");
return false;
}
std::vector<std::string> includes;
this->GetIncludes(*i, includes);
if (before) {
cmAppend(beforeIncludes, includes);
} else {
cmAppend(afterIncludes, includes);
}
if (system) {
systemIncludes.insert(includes.begin(), includes.end());
}
}
std::reverse(beforeIncludes.begin(), beforeIncludes.end());
this->Makefile->AddIncludeDirectories(afterIncludes);
this->Makefile->AddIncludeDirectories(beforeIncludes, before);
this->Makefile->AddSystemIncludeDirectories(systemIncludes);
return true;
}
// do a lot of cleanup on the arguments because this is one place where folks
// sometimes take the output of a program and pass it directly into this
// command not thinking that a single argument could be filled with spaces
// and newlines etc like below:
//
// " /foo/bar
// /boo/hoo /dingle/berry "
//
// ideally that should be three separate arguments but when sucking the
// output from a program and passing it into a command the cleanup doesn't
// always happen
//
void cmIncludeDirectoryCommand::GetIncludes(const std::string& arg,
std::vector<std::string>& incs)
{
// break apart any line feed arguments
std::string::size_type pos = 0;
std::string::size_type lastPos = 0;
while ((pos = arg.find('\n', lastPos)) != std::string::npos) {
if (pos) {
std::string inc = arg.substr(lastPos, pos);
this->NormalizeInclude(inc);
if (!inc.empty()) {
incs.push_back(std::move(inc));
}
}
lastPos = pos + 1;
}
std::string inc = arg.substr(lastPos);
this->NormalizeInclude(inc);
if (!inc.empty()) {
incs.push_back(std::move(inc));
}
}
void cmIncludeDirectoryCommand::NormalizeInclude(std::string& inc)
{
std::string::size_type b = inc.find_first_not_of(" \r");
std::string::size_type e = inc.find_last_not_of(" \r");
if ((b != std::string::npos) && (e != std::string::npos)) {
inc.assign(inc, b, 1 + e - b); // copy the remaining substring
} else {
inc.clear();
return;
}
if (!cmIsOff(inc)) {
cmSystemTools::ConvertToUnixSlashes(inc);
if (!cmSystemTools::FileIsFullPath(inc)) {
if (!cmGeneratorExpression::StartsWithGeneratorExpression(inc)) {
std::string tmp = this->Makefile->GetCurrentSourceDirectory();
tmp += "/";
tmp += inc;
inc = tmp;
}
}
}
}
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