137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmIncludeDirectoryCommand.h"
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// cmIncludeDirectoryCommand
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bool cmIncludeDirectoryCommand::InitialPass(
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std::vector<std::string> const& args, cmExecutionStatus&)
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{
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if (args.size() < 1) {
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return true;
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}
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std::vector<std::string>::const_iterator i = args.begin();
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bool before = this->Makefile->IsOn("CMAKE_INCLUDE_DIRECTORIES_BEFORE");
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bool system = false;
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if ((*i) == "BEFORE") {
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before = true;
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++i;
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} else if ((*i) == "AFTER") {
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before = false;
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++i;
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}
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std::vector<std::string> beforeIncludes;
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std::vector<std::string> afterIncludes;
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std::set<std::string> systemIncludes;
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for (; i != args.end(); ++i) {
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if (*i == "SYSTEM") {
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system = true;
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continue;
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}
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if (i->empty()) {
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this->SetError("given empty-string as include directory.");
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return false;
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}
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std::vector<std::string> includes;
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this->GetIncludes(*i, includes);
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if (before) {
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beforeIncludes.insert(beforeIncludes.end(), includes.begin(),
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includes.end());
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} else {
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afterIncludes.insert(afterIncludes.end(), includes.begin(),
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includes.end());
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}
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if (system) {
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systemIncludes.insert(includes.begin(), includes.end());
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}
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}
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std::reverse(beforeIncludes.begin(), beforeIncludes.end());
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this->Makefile->AddIncludeDirectories(afterIncludes);
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this->Makefile->AddIncludeDirectories(beforeIncludes, before);
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this->Makefile->AddSystemIncludeDirectories(systemIncludes);
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return true;
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}
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static bool StartsWithGeneratorExpression(const std::string& input)
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{
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return input[0] == '$' && input[1] == '<';
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}
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// do a lot of cleanup on the arguments because this is one place where folks
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// sometimes take the output of a program and pass it directly into this
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// command not thinking that a single argument could be filled with spaces
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// and newlines etc liek below:
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//
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// " /foo/bar
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// /boo/hoo /dingle/berry "
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//
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// ideally that should be three separate arguments but when sucking the
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// output from a program and passing it into a command the cleanup doesn't
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// always happen
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//
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void cmIncludeDirectoryCommand::GetIncludes(const std::string& arg,
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std::vector<std::string>& incs)
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{
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// break apart any line feed arguments
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std::string::size_type pos = 0;
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std::string::size_type lastPos = 0;
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while ((pos = arg.find('\n', lastPos)) != std::string::npos) {
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if (pos) {
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std::string inc = arg.substr(lastPos, pos);
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this->NormalizeInclude(inc);
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if (!inc.empty()) {
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incs.push_back(inc);
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}
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}
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lastPos = pos + 1;
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}
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std::string inc = arg.substr(lastPos);
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this->NormalizeInclude(inc);
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if (!inc.empty()) {
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incs.push_back(inc);
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}
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}
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void cmIncludeDirectoryCommand::NormalizeInclude(std::string& inc)
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{
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std::string::size_type b = inc.find_first_not_of(" \r");
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std::string::size_type e = inc.find_last_not_of(" \r");
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if ((b != inc.npos) && (e != inc.npos)) {
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inc.assign(inc, b, 1 + e - b); // copy the remaining substring
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} else {
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inc = "";
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return;
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}
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if (!cmSystemTools::IsOff(inc.c_str())) {
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cmSystemTools::ConvertToUnixSlashes(inc);
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if (!cmSystemTools::FileIsFullPath(inc.c_str())) {
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if (!StartsWithGeneratorExpression(inc)) {
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std::string tmp = this->Makefile->GetCurrentSourceDirectory();
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tmp += "/";
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tmp += inc;
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inc = tmp;
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}
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}
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}
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}
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