CMake/Source/cmFindProgramCommand.cxx
Brad King e33d8d2d77 Drop builtin command documentation
Drop all GetTerseDocumentation and GetFullDocumentation methods from
commands.  The command documentation is now in Help/command/*.rst files.
2013-10-16 09:22:36 -04:00

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmFindProgramCommand.h"
#include "cmCacheManager.h"
#include <stdlib.h>
#if defined(__APPLE__)
#include <CoreFoundation/CoreFoundation.h>
#endif
// cmFindProgramCommand
bool cmFindProgramCommand
::InitialPass(std::vector<std::string> const& argsIn, cmExecutionStatus &)
{
this->VariableDocumentation = "Path to a program.";
this->CMakePathName = "PROGRAM";
// call cmFindBase::ParseArguments
if(!this->ParseArguments(argsIn))
{
return false;
}
if(this->AlreadyInCache)
{
// If the user specifies the entry on the command line without a
// type we should add the type and docstring but keep the original
// value.
if(this->AlreadyInCacheWithoutMetaInfo)
{
this->Makefile->AddCacheDefinition(this->VariableName.c_str(), "",
this->VariableDocumentation.c_str(),
cmCacheManager::FILEPATH);
}
return true;
}
std::string result = FindProgram(this->Names);
if(result != "")
{
// Save the value in the cache
this->Makefile->AddCacheDefinition(this->VariableName.c_str(),
result.c_str(),
this->VariableDocumentation.c_str(),
cmCacheManager::FILEPATH);
return true;
}
this->Makefile->AddCacheDefinition(this->VariableName.c_str(),
(this->VariableName + "-NOTFOUND").c_str(),
this->VariableDocumentation.c_str(),
cmCacheManager::FILEPATH);
return true;
}
std::string cmFindProgramCommand::FindProgram(std::vector<std::string> names)
{
std::string program = "";
if(this->SearchAppBundleFirst || this->SearchAppBundleOnly)
{
program = FindAppBundle(names);
}
if(program.empty() && !this->SearchAppBundleOnly)
{
program = cmSystemTools::FindProgram(names, this->SearchPaths, true);
}
if(program.empty() && this->SearchAppBundleLast)
{
program = this->FindAppBundle(names);
}
return program;
}
std::string cmFindProgramCommand
::FindAppBundle(std::vector<std::string> names)
{
for(std::vector<std::string>::const_iterator name = names.begin();
name != names.end() ; ++name)
{
std::string appName = *name + std::string(".app");
std::string appPath = cmSystemTools::FindDirectory(appName.c_str(),
this->SearchPaths,
true);
if ( !appPath.empty() )
{
std::string executable = GetBundleExecutable(appPath);
if (!executable.empty())
{
return cmSystemTools::CollapseFullPath(executable.c_str());
}
}
}
// Couldn't find app bundle
return "";
}
std::string cmFindProgramCommand::GetBundleExecutable(std::string 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
// bundles 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 != NULL)
{
const int MAX_OSX_PATH_SIZE = 1024;
char buffer[MAX_OSX_PATH_SIZE];
// Convert the CFString to a C string
CFStringGetCString( CFURLGetString(executableURL), buffer,
MAX_OSX_PATH_SIZE, kCFStringEncodingUTF8 );
// And finally to a c++ string
executable = bundlePath + "/Contents/MacOS/" + std::string(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;
}