358 lines
11 KiB
C++
358 lines
11 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
||
file Copyright.txt or https://cmake.org/licensing for details. */
|
||
#include "cmFindProgramCommand.h"
|
||
|
||
#include <algorithm>
|
||
#include <string>
|
||
#include <utility>
|
||
|
||
#include "cmMakefile.h"
|
||
#include "cmMessageType.h"
|
||
#include "cmPolicies.h"
|
||
#include "cmStateTypes.h"
|
||
#include "cmStringAlgorithms.h"
|
||
#include "cmSystemTools.h"
|
||
#include "cmValue.h"
|
||
#include "cmWindowsRegistry.h"
|
||
|
||
class cmExecutionStatus;
|
||
|
||
#if defined(__APPLE__)
|
||
# include <CoreFoundation/CoreFoundation.h>
|
||
#endif
|
||
|
||
struct cmFindProgramHelper
|
||
{
|
||
cmFindProgramHelper(std::string debugName, cmMakefile* makefile,
|
||
cmFindBase const* base)
|
||
: DebugSearches(std::move(debugName), base)
|
||
, Makefile(makefile)
|
||
, FindBase(base)
|
||
, PolicyCMP0109(makefile->GetPolicyStatus(cmPolicies::CMP0109))
|
||
{
|
||
#if defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
|
||
// Consider platform-specific extensions.
|
||
this->Extensions.push_back(".com");
|
||
this->Extensions.push_back(".exe");
|
||
#endif
|
||
// Consider original name with no extensions.
|
||
this->Extensions.emplace_back();
|
||
}
|
||
|
||
// List of valid extensions.
|
||
std::vector<std::string> Extensions;
|
||
|
||
// Keep track of the best program file found so far.
|
||
std::string BestPath;
|
||
|
||
// Current names under consideration.
|
||
std::vector<std::string> Names;
|
||
|
||
// Current name with extension under consideration.
|
||
std::string TestNameExt;
|
||
|
||
// Current full path under consideration.
|
||
std::string TestPath;
|
||
|
||
// Debug state
|
||
cmFindBaseDebugState DebugSearches;
|
||
cmMakefile* Makefile;
|
||
cmFindBase const* FindBase;
|
||
|
||
cmPolicies::PolicyStatus PolicyCMP0109;
|
||
|
||
void AddName(std::string const& name) { this->Names.push_back(name); }
|
||
void SetName(std::string const& name)
|
||
{
|
||
this->Names.clear();
|
||
this->AddName(name);
|
||
}
|
||
bool CheckCompoundNames()
|
||
{
|
||
return std::any_of(this->Names.begin(), this->Names.end(),
|
||
[this](std::string const& n) -> bool {
|
||
// Only perform search relative to current directory
|
||
// if the file name contains a directory separator.
|
||
return n.find('/') != std::string::npos &&
|
||
this->CheckDirectoryForName("", n);
|
||
});
|
||
}
|
||
bool CheckDirectory(std::string const& path)
|
||
{
|
||
return std::any_of(this->Names.begin(), this->Names.end(),
|
||
[this, &path](std::string const& n) -> bool {
|
||
// Only perform search relative to current directory
|
||
// if the file name contains a directory separator.
|
||
return this->CheckDirectoryForName(path, n);
|
||
});
|
||
}
|
||
bool CheckDirectoryForName(std::string const& path, std::string const& name)
|
||
{
|
||
return std::any_of(this->Extensions.begin(), this->Extensions.end(),
|
||
[this, &path, &name](std::string const& ext) -> bool {
|
||
if (!ext.empty() && cmHasSuffix(name, ext)) {
|
||
return false;
|
||
}
|
||
this->TestNameExt = cmStrCat(name, ext);
|
||
this->TestPath = cmSystemTools::CollapseFullPath(
|
||
this->TestNameExt, path);
|
||
bool exists = this->FileIsValid(this->TestPath);
|
||
exists ? this->DebugSearches.FoundAt(this->TestPath)
|
||
: this->DebugSearches.FailedAt(this->TestPath);
|
||
if (exists) {
|
||
this->BestPath = this->TestPath;
|
||
return true;
|
||
}
|
||
return false;
|
||
});
|
||
}
|
||
bool FileIsValid(std::string const& file) const
|
||
{
|
||
if (!this->FileIsExecutableCMP0109(file)) {
|
||
return false;
|
||
}
|
||
#ifdef _WIN32
|
||
// Pretend the Windows "python" app installer alias does not exist.
|
||
if (cmSystemTools::LowerCase(file).find("/windowsapps/python") !=
|
||
std::string::npos) {
|
||
std::string dest;
|
||
if (cmSystemTools::ReadSymlink(file, dest) &&
|
||
cmHasLiteralSuffix(dest, "\\AppInstallerPythonRedirector.exe")) {
|
||
return false;
|
||
}
|
||
}
|
||
#endif
|
||
return this->FindBase->Validate(file);
|
||
}
|
||
bool FileIsExecutableCMP0109(std::string const& file) const
|
||
{
|
||
switch (this->PolicyCMP0109) {
|
||
case cmPolicies::OLD:
|
||
return cmSystemTools::FileExists(file, true);
|
||
case cmPolicies::NEW:
|
||
case cmPolicies::REQUIRED_ALWAYS:
|
||
case cmPolicies::REQUIRED_IF_USED:
|
||
return cmSystemTools::FileIsExecutable(file);
|
||
default:
|
||
break;
|
||
}
|
||
bool const isExeOld = cmSystemTools::FileExists(file, true);
|
||
bool const isExeNew = cmSystemTools::FileIsExecutable(file);
|
||
if (isExeNew == isExeOld) {
|
||
return isExeNew;
|
||
}
|
||
if (isExeNew) {
|
||
this->Makefile->IssueMessage(
|
||
MessageType::AUTHOR_WARNING,
|
||
cmStrCat(cmPolicies::GetPolicyWarning(cmPolicies::CMP0109),
|
||
"\n"
|
||
"The file\n"
|
||
" ",
|
||
file,
|
||
"\n"
|
||
"is executable but not readable. "
|
||
"CMake is ignoring it for compatibility."));
|
||
} else {
|
||
this->Makefile->IssueMessage(
|
||
MessageType::AUTHOR_WARNING,
|
||
cmStrCat(cmPolicies::GetPolicyWarning(cmPolicies::CMP0109),
|
||
"\n"
|
||
"The file\n"
|
||
" ",
|
||
file,
|
||
"\n"
|
||
"is readable but not executable. "
|
||
"CMake is using it for compatibility."));
|
||
}
|
||
return isExeOld;
|
||
}
|
||
};
|
||
|
||
cmFindProgramCommand::cmFindProgramCommand(cmExecutionStatus& status)
|
||
: cmFindBase("find_program", status)
|
||
{
|
||
this->NamesPerDirAllowed = true;
|
||
this->VariableDocumentation = "Path to a program.";
|
||
this->VariableType = cmStateEnums::FILEPATH;
|
||
// Windows Registry views
|
||
// When policy CMP0134 is not NEW, rely on previous behavior:
|
||
if (this->Makefile->GetPolicyStatus(cmPolicies::CMP0134) !=
|
||
cmPolicies::NEW) {
|
||
if (this->Makefile->GetDefinition("CMAKE_SIZEOF_VOID_P") == "8") {
|
||
this->RegistryView = cmWindowsRegistry::View::Reg64_32;
|
||
} else {
|
||
this->RegistryView = cmWindowsRegistry::View::Reg32_64;
|
||
}
|
||
} else {
|
||
this->RegistryView = cmWindowsRegistry::View::Both;
|
||
}
|
||
}
|
||
|
||
// cmFindProgramCommand
|
||
bool cmFindProgramCommand::InitialPass(std::vector<std::string> const& argsIn)
|
||
{
|
||
|
||
this->CMakePathName = "PROGRAM";
|
||
|
||
// call cmFindBase::ParseArguments
|
||
if (!this->ParseArguments(argsIn)) {
|
||
return false;
|
||
}
|
||
this->DebugMode = this->ComputeIfDebugModeWanted(this->VariableName);
|
||
|
||
if (this->AlreadyDefined) {
|
||
this->NormalizeFindResult();
|
||
return true;
|
||
}
|
||
|
||
std::string const result = this->FindProgram();
|
||
this->StoreFindResult(result);
|
||
return true;
|
||
}
|
||
|
||
std::string cmFindProgramCommand::FindProgram()
|
||
{
|
||
std::string program;
|
||
|
||
if (this->SearchAppBundleFirst || this->SearchAppBundleOnly) {
|
||
program = this->FindAppBundle();
|
||
}
|
||
if (program.empty() && !this->SearchAppBundleOnly) {
|
||
program = this->FindNormalProgram();
|
||
}
|
||
|
||
if (program.empty() && this->SearchAppBundleLast) {
|
||
program = this->FindAppBundle();
|
||
}
|
||
return program;
|
||
}
|
||
|
||
std::string cmFindProgramCommand::FindNormalProgram()
|
||
{
|
||
if (this->NamesPerDir) {
|
||
return this->FindNormalProgramNamesPerDir();
|
||
}
|
||
return this->FindNormalProgramDirsPerName();
|
||
}
|
||
|
||
std::string cmFindProgramCommand::FindNormalProgramNamesPerDir()
|
||
{
|
||
// Search for all names in each directory.
|
||
cmFindProgramHelper helper(this->FindCommandName, this->Makefile, this);
|
||
for (std::string const& n : this->Names) {
|
||
helper.AddName(n);
|
||
}
|
||
|
||
// Check for the names themselves if they contain a directory separator.
|
||
if (helper.CheckCompoundNames()) {
|
||
return helper.BestPath;
|
||
}
|
||
|
||
// Search every directory.
|
||
for (std::string const& sp : this->SearchPaths) {
|
||
if (helper.CheckDirectory(sp)) {
|
||
return helper.BestPath;
|
||
}
|
||
}
|
||
// Couldn't find the program.
|
||
return "";
|
||
}
|
||
|
||
std::string cmFindProgramCommand::FindNormalProgramDirsPerName()
|
||
{
|
||
// Search the entire path for each name.
|
||
cmFindProgramHelper helper(this->FindCommandName, this->Makefile, this);
|
||
for (std::string const& n : this->Names) {
|
||
// Switch to searching for this name.
|
||
helper.SetName(n);
|
||
|
||
// Check for the names themselves if they contain a directory separator.
|
||
if (helper.CheckCompoundNames()) {
|
||
return helper.BestPath;
|
||
}
|
||
|
||
// Search every directory.
|
||
for (std::string const& sp : this->SearchPaths) {
|
||
if (helper.CheckDirectory(sp)) {
|
||
return helper.BestPath;
|
||
}
|
||
}
|
||
}
|
||
// Couldn't find the program.
|
||
return "";
|
||
}
|
||
|
||
std::string cmFindProgramCommand::FindAppBundle()
|
||
{
|
||
for (std::string const& name : this->Names) {
|
||
|
||
std::string appName = name + std::string(".app");
|
||
std::string appPath =
|
||
cmSystemTools::FindDirectory(appName, this->SearchPaths, true);
|
||
|
||
if (!appPath.empty()) {
|
||
std::string executable = this->GetBundleExecutable(appPath);
|
||
if (!executable.empty()) {
|
||
return cmSystemTools::CollapseFullPath(executable);
|
||
}
|
||
}
|
||
}
|
||
|
||
// Couldn't find app bundle
|
||
return "";
|
||
}
|
||
|
||
std::string cmFindProgramCommand::GetBundleExecutable(
|
||
std::string const& bundlePath)
|
||
{
|
||
std::string executable;
|
||
(void)bundlePath;
|
||
#if defined(__APPLE__)
|
||
// Started with an example on developer.apple.com about finding bundles
|
||
// and modified from that.
|
||
|
||
// Get a CFString of the app bundle path
|
||
// XXX - Is it safe to assume everything is in UTF8?
|
||
CFStringRef bundlePathCFS = CFStringCreateWithCString(
|
||
kCFAllocatorDefault, bundlePath.c_str(), kCFStringEncodingUTF8);
|
||
|
||
// Make a CFURLRef from the CFString representation of the
|
||
// bundle’s path.
|
||
CFURLRef bundleURL = CFURLCreateWithFileSystemPath(
|
||
kCFAllocatorDefault, bundlePathCFS, kCFURLPOSIXPathStyle, true);
|
||
|
||
// Make a bundle instance using the URLRef.
|
||
CFBundleRef appBundle = CFBundleCreate(kCFAllocatorDefault, bundleURL);
|
||
|
||
// returned executableURL is relative to <appbundle>/Contents/MacOS/
|
||
CFURLRef executableURL = CFBundleCopyExecutableURL(appBundle);
|
||
|
||
if (executableURL != nullptr) {
|
||
const int MAX_OSX_PATH_SIZE = 1024;
|
||
UInt8 buffer[MAX_OSX_PATH_SIZE];
|
||
|
||
if (CFURLGetFileSystemRepresentation(executableURL, false, buffer,
|
||
MAX_OSX_PATH_SIZE)) {
|
||
executable = bundlePath + "/Contents/MacOS/" +
|
||
std::string(reinterpret_cast<char*>(buffer));
|
||
}
|
||
// Only release CFURLRef if it's not null
|
||
CFRelease(executableURL);
|
||
}
|
||
|
||
// Any CF objects returned from functions with "create" or
|
||
// "copy" in their names must be released by us!
|
||
CFRelease(bundlePathCFS);
|
||
CFRelease(bundleURL);
|
||
CFRelease(appBundle);
|
||
#endif
|
||
|
||
return executable;
|
||
}
|
||
|
||
bool cmFindProgram(std::vector<std::string> const& args,
|
||
cmExecutionStatus& status)
|
||
{
|
||
return cmFindProgramCommand(status).InitialPass(args);
|
||
}
|