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CMake/Source/cmFileCommand.cxx

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "cmFileCommand.h"
#include "cmake.h"
#include "cmHexFileConverter.h"
#include "cmFileTimeComparison.h"
#if defined(CMAKE_BUILD_WITH_CMAKE)
#include "cm_curl.h"
#endif
#undef GetCurrentDirectory
#include <sys/types.h>
#include <sys/stat.h>
#include <cmsys/Directory.hxx>
#include <cmsys/Glob.hxx>
#include <cmsys/RegularExpression.hxx>
// Table of permissions flags.
#if defined(_WIN32) && !defined(__CYGWIN__)
static mode_t mode_owner_read = S_IREAD;
static mode_t mode_owner_write = S_IWRITE;
static mode_t mode_owner_execute = S_IEXEC;
static mode_t mode_group_read = 0;
static mode_t mode_group_write = 0;
static mode_t mode_group_execute = 0;
static mode_t mode_world_read = 0;
static mode_t mode_world_write = 0;
static mode_t mode_world_execute = 0;
static mode_t mode_setuid = 0;
static mode_t mode_setgid = 0;
#else
static mode_t mode_owner_read = S_IRUSR;
static mode_t mode_owner_write = S_IWUSR;
static mode_t mode_owner_execute = S_IXUSR;
static mode_t mode_group_read = S_IRGRP;
static mode_t mode_group_write = S_IWGRP;
static mode_t mode_group_execute = S_IXGRP;
static mode_t mode_world_read = S_IROTH;
static mode_t mode_world_write = S_IWOTH;
static mode_t mode_world_execute = S_IXOTH;
static mode_t mode_setuid = S_ISUID;
static mode_t mode_setgid = S_ISGID;
#endif
// cmLibraryCommand
bool cmFileCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
if(args.size() < 2 )
{
this->SetError("must be called with at least two arguments.");
return false;
}
std::string subCommand = args[0];
if ( subCommand == "WRITE" )
{
return this->HandleWriteCommand(args, false);
}
else if ( subCommand == "APPEND" )
{
return this->HandleWriteCommand(args, true);
}
else if ( subCommand == "DOWNLOAD" )
{
return this->HandleDownloadCommand(args);
}
else if ( subCommand == "READ" )
{
return this->HandleReadCommand(args);
}
else if ( subCommand == "STRINGS" )
{
return this->HandleStringsCommand(args);
}
else if ( subCommand == "GLOB" )
{
return this->HandleGlobCommand(args, false);
}
else if ( subCommand == "GLOB_RECURSE" )
{
return this->HandleGlobCommand(args, true);
}
else if ( subCommand == "MAKE_DIRECTORY" )
{
return this->HandleMakeDirectoryCommand(args);
}
else if ( subCommand == "REMOVE" )
{
return this->HandleRemove(args, false);
}
else if ( subCommand == "REMOVE_RECURSE" )
{
return this->HandleRemove(args, true);
}
else if ( subCommand == "INSTALL" )
{
return this->HandleInstallCommand(args);
}
else if ( subCommand == "RELATIVE_PATH" )
{
return this->HandleRelativePathCommand(args);
}
else if ( subCommand == "TO_CMAKE_PATH" )
{
return this->HandleCMakePathCommand(args, false);
}
else if ( subCommand == "TO_NATIVE_PATH" )
{
return this->HandleCMakePathCommand(args, true);
}
std::string e = "does not recognize sub-command "+subCommand;
this->SetError(e.c_str());
return false;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleWriteCommand(std::vector<std::string> const& args,
bool append)
{
std::string message;
std::vector<std::string>::const_iterator i = args.begin();
i++; // Get rid of subcommand
std::string fileName = *i;
if ( !cmsys::SystemTools::FileIsFullPath(i->c_str()) )
{
fileName = this->Makefile->GetCurrentDirectory();
fileName += "/" + *i;
}
i++;
for(;i != args.end(); ++i)
{
message += *i;
}
if ( !this->Makefile->CanIWriteThisFile(fileName.c_str()) )
{
std::string e
= "attempted to write a file: " + fileName +
" into a source directory.";
this->SetError(e.c_str());
cmSystemTools::SetFatalErrorOccured();
return false;
}
std::string dir = cmSystemTools::GetFilenamePath(fileName);
cmSystemTools::MakeDirectory(dir.c_str());
mode_t mode =
#if defined( _MSC_VER ) || defined( __MINGW32__ )
S_IREAD | S_IWRITE
#elif defined( __BORLANDC__ )
S_IRUSR | S_IWUSR
#else
S_IRUSR | S_IWUSR |
S_IRGRP |
S_IROTH
#endif
;
// Set permissions to writable
if ( cmSystemTools::GetPermissions(fileName.c_str(), mode) )
{
cmSystemTools::SetPermissions(fileName.c_str(),
#if defined( _MSC_VER ) || defined( __MINGW32__ )
S_IREAD | S_IWRITE
#else
S_IRUSR | S_IWUSR
#endif
);
}
// If GetPermissions fails, pretend like it is ok. File open will fail if
// the file is not writable
std::ofstream file(fileName.c_str(), append?std::ios::app: std::ios::out);
if ( !file )
{
std::string error = "Internal CMake error when trying to open file: ";
error += fileName.c_str();
error += " for writing.";
this->SetError(error.c_str());
return false;
}
file << message;
file.close();
cmSystemTools::SetPermissions(fileName.c_str(), mode);
this->Makefile->AddWrittenFile(fileName.c_str());
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleReadCommand(std::vector<std::string> const& args)
{
if ( args.size() < 3 )
{
this->SetError("READ must be called with at least two additional "
"arguments");
return false;
}
cmCommandArgumentsHelper argHelper;
cmCommandArgumentGroup group;
cmCAString readArg (&argHelper, "READ");
cmCAString fileNameArg (&argHelper, 0);
cmCAString resultArg (&argHelper, 0);
cmCAString offsetArg (&argHelper, "OFFSET", &group);
cmCAString limitArg (&argHelper, "LIMIT", &group);
cmCAEnabler hexOutputArg (&argHelper, "HEX", &group);
readArg.Follows(0);
fileNameArg.Follows(&readArg);
resultArg.Follows(&fileNameArg);
group.Follows(&resultArg);
argHelper.Parse(&args, 0);
std::string fileName = fileNameArg.GetString();
if ( !cmsys::SystemTools::FileIsFullPath(fileName.c_str()) )
{
fileName = this->Makefile->GetCurrentDirectory();
fileName += "/" + fileNameArg.GetString();
}
std::string variable = resultArg.GetString();
// Open the specified file.
#if defined(_WIN32) || defined(__CYGWIN__)
std::ifstream file(fileName.c_str(), std::ios::in |
(hexOutputArg.IsEnabled() ? std::ios::binary : std::ios::in));
#else
std::ifstream file(fileName.c_str(), std::ios::in);
#endif
if ( !file )
{
std::string error = "Internal CMake error when trying to open file: ";
error += fileName.c_str();
error += " for reading.";
this->SetError(error.c_str());
return false;
}
// is there a limit?
long sizeLimit = -1;
if (limitArg.GetString().size() > 0)
{
sizeLimit = atoi(limitArg.GetCString());
}
// is there an offset?
long offset = 0;
if (offsetArg.GetString().size() > 0)
{
offset = atoi(offsetArg.GetCString());
}
file.seekg(offset);
std::string output;
if (hexOutputArg.IsEnabled())
{
// Convert part of the file into hex code
int c;
while((sizeLimit != 0) && (c = file.get(), file))
{
char hex[4];
sprintf(hex, "%x", c&0xff);
output += hex;
if (sizeLimit > 0)
{
sizeLimit--;
}
}
}
else
{
std::string line;
bool has_newline = false;
while (sizeLimit != 0 &&
cmSystemTools::GetLineFromStream(file, line, &has_newline,
sizeLimit) )
{
if (sizeLimit > 0)
{
sizeLimit = sizeLimit - static_cast<long>(line.size());
if (has_newline)
{
sizeLimit--;
}
if (sizeLimit < 0)
{
sizeLimit = 0;
}
}
output += line;
if ( has_newline )
{
output += "\n";
}
}
}
this->Makefile->AddDefinition(variable.c_str(), output.c_str());
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleStringsCommand(std::vector<std::string> const& args)
{
if(args.size() < 3)
{
this->SetError("STRINGS requires a file name and output variable");
return false;
}
// Get the file to read.
std::string fileName = args[1];
if(!cmsys::SystemTools::FileIsFullPath(fileName.c_str()))
{
fileName = this->Makefile->GetCurrentDirectory();
fileName += "/" + args[1];
}
// Get the variable in which to store the results.
std::string outVar = args[2];
// Parse the options.
enum { arg_none,
arg_limit_input,
arg_limit_output,
arg_limit_count,
arg_length_minimum,
arg_length_maximum,
arg__maximum,
arg_regex };
unsigned int minlen = 0;
unsigned int maxlen = 0;
int limit_input = -1;
int limit_output = -1;
unsigned int limit_count = 0;
cmsys::RegularExpression regex;
bool have_regex = false;
bool newline_consume = false;
bool hex_conversion_enabled = true;
int arg_mode = arg_none;
for(unsigned int i=3; i < args.size(); ++i)
{
if(args[i] == "LIMIT_INPUT")
{
arg_mode = arg_limit_input;
}
else if(args[i] == "LIMIT_OUTPUT")
{
arg_mode = arg_limit_output;
}
else if(args[i] == "LIMIT_COUNT")
{
arg_mode = arg_limit_count;
}
else if(args[i] == "LENGTH_MINIMUM")
{
arg_mode = arg_length_minimum;
}
else if(args[i] == "LENGTH_MAXIMUM")
{
arg_mode = arg_length_maximum;
}
else if(args[i] == "REGEX")
{
arg_mode = arg_regex;
}
else if(args[i] == "NEWLINE_CONSUME")
{
newline_consume = true;
arg_mode = arg_none;
}
else if(args[i] == "NO_HEX_CONVERSION")
{
hex_conversion_enabled = false;
arg_mode = arg_none;
}
else if(arg_mode == arg_limit_input)
{
if(sscanf(args[i].c_str(), "%d", &limit_input) != 1 ||
limit_input < 0)
{
cmOStringStream e;
e << "STRINGS option LIMIT_INPUT value \""
<< args[i] << "\" is not an unsigned integer.";
this->SetError(e.str().c_str());
return false;
}
arg_mode = arg_none;
}
else if(arg_mode == arg_limit_output)
{
if(sscanf(args[i].c_str(), "%d", &limit_output) != 1 ||
limit_output < 0)
{
cmOStringStream e;
e << "STRINGS option LIMIT_OUTPUT value \""
<< args[i] << "\" is not an unsigned integer.";
this->SetError(e.str().c_str());
return false;
}
arg_mode = arg_none;
}
else if(arg_mode == arg_limit_count)
{
int count;
if(sscanf(args[i].c_str(), "%d", &count) != 1 || count < 0)
{
cmOStringStream e;
e << "STRINGS option LIMIT_COUNT value \""
<< args[i] << "\" is not an unsigned integer.";
this->SetError(e.str().c_str());
return false;
}
limit_count = count;
arg_mode = arg_none;
}
else if(arg_mode == arg_length_minimum)
{
int len;
if(sscanf(args[i].c_str(), "%d", &len) != 1 || len < 0)
{
cmOStringStream e;
e << "STRINGS option LENGTH_MINIMUM value \""
<< args[i] << "\" is not an unsigned integer.";
this->SetError(e.str().c_str());
return false;
}
minlen = len;
arg_mode = arg_none;
}
else if(arg_mode == arg_length_maximum)
{
int len;
if(sscanf(args[i].c_str(), "%d", &len) != 1 || len < 0)
{
cmOStringStream e;
e << "STRINGS option LENGTH_MAXIMUM value \""
<< args[i] << "\" is not an unsigned integer.";
this->SetError(e.str().c_str());
return false;
}
maxlen = len;
arg_mode = arg_none;
}
else if(arg_mode == arg_regex)
{
if(!regex.compile(args[i].c_str()))
{
cmOStringStream e;
e << "STRINGS option REGEX value \""
<< args[i] << "\" could not be compiled.";
this->SetError(e.str().c_str());
return false;
}
have_regex = true;
arg_mode = arg_none;
}
else
{
cmOStringStream e;
e << "STRINGS given unknown argument \""
<< args[i] << "\"";
this->SetError(e.str().c_str());
return false;
}
}
if (hex_conversion_enabled)
{
// TODO: should work without temp file, but just on a memory buffer
std::string binaryFileName = this->Makefile->GetCurrentOutputDirectory();
binaryFileName += cmake::GetCMakeFilesDirectory();
binaryFileName += "/FileCommandStringsBinaryFile";
if(cmHexFileConverter::TryConvert(fileName.c_str(),binaryFileName.c_str()))
{
fileName = binaryFileName;
}
}
// Open the specified file.
#if defined(_WIN32) || defined(__CYGWIN__)
std::ifstream fin(fileName.c_str(), std::ios::in | std::ios::binary);
#else
std::ifstream fin(fileName.c_str(), std::ios::in);
#endif
if(!fin)
{
cmOStringStream e;
e << "STRINGS file \"" << fileName << "\" cannot be read.";
this->SetError(e.str().c_str());
return false;
}
// Parse strings out of the file.
int output_size = 0;
std::vector<std::string> strings;
std::string s;
int c;
while((!limit_count || strings.size() < limit_count) &&
(limit_input < 0 || static_cast<int>(fin.tellg()) < limit_input) &&
(c = fin.get(), fin))
{
if(c == '\0')
{
// A terminating null character has been found. Check if the
// current string matches the requirements. Since it was
// terminated by a null character, we require that the length be
// at least one no matter what the user specified.
if(s.length() >= minlen && s.length() >= 1 &&
(!have_regex || regex.find(s.c_str())))
{
output_size += static_cast<int>(s.size()) + 1;
if(limit_output >= 0 && output_size >= limit_output)
{
s = "";
break;
}
strings.push_back(s);
}
// Reset the string to empty.
s = "";
}
else if(c == '\n' && !newline_consume)
{
// The current line has been terminated. Check if the current
// string matches the requirements. The length may now be as
// low as zero since blank lines are allowed.
if(s.length() >= minlen &&
(!have_regex || regex.find(s.c_str())))
{
output_size += static_cast<int>(s.size()) + 1;
if(limit_output >= 0 && output_size >= limit_output)
{
s = "";
break;
}
strings.push_back(s);
}
// Reset the string to empty.
s = "";
}
else if(c == '\r')
{
// Ignore CR character to make output always have UNIX newlines.
}
else if(c >= 0x20 && c < 0x7F || c == '\t' ||
(c == '\n' && newline_consume))
{
// This is an ASCII character that may be part of a string.
s += c;
}
else
{
// This is a non-string character. Reset the string to emtpy.
s = "";
}
// Terminate a string if the maximum length is reached.
if(maxlen > 0 && s.size() == maxlen)
{
if(s.length() >= minlen &&
(!have_regex || regex.find(s.c_str())))
{
output_size += static_cast<int>(s.size()) + 1;
if(limit_output >= 0 && output_size >= limit_output)
{
s = "";
break;
}
strings.push_back(s);
}
s = "";
}
}
// If there is a non-empty current string we have hit the end of the
// input file or the input size limit. Check if the current string
// matches the requirements.
if((!limit_count || strings.size() < limit_count) &&
!s.empty() && s.length() >= minlen &&
(!have_regex || regex.find(s.c_str())))
{
output_size += static_cast<int>(s.size()) + 1;
if(limit_output < 0 || output_size < limit_output)
{
strings.push_back(s);
}
}
// Encode the result in a CMake list.
const char* sep = "";
std::string output;
for(std::vector<std::string>::const_iterator si = strings.begin();
si != strings.end(); ++si)
{
// Separate the strings in the output to make it a list.
output += sep;
sep = ";";
// Store the string in the output, but escape semicolons to
// make sure it is a list.
std::string const& sr = *si;
for(unsigned int i=0; i < sr.size(); ++i)
{
if(sr[i] == ';')
{
output += '\\';
}
output += sr[i];
}
}
// Save the output in a makefile variable.
this->Makefile->AddDefinition(outVar.c_str(), output.c_str());
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleGlobCommand(std::vector<std::string> const& args,
bool recurse)
{
if ( args.size() < 2 )
{
this->SetError("GLOB requires at least a variable name");
return false;
}
std::vector<std::string>::const_iterator i = args.begin();
i++; // Get rid of subcommand
std::string variable = *i;
i++;
cmsys::Glob g;
g.SetRecurse(recurse);
std::string output = "";
bool first = true;
for ( ; i != args.end(); ++i )
{
if ( *i == "RELATIVE" )
{
++i; // skip RELATIVE
if ( i == args.end() )
{
this->SetError("GLOB requires a directory after the RELATIVE tag");
return false;
}
g.SetRelative(i->c_str());
++i;
if(i == args.end())
{
this->SetError("GLOB requires a glob expression after the directory");
return false;
}
}
if ( !cmsys::SystemTools::FileIsFullPath(i->c_str()) )
{
std::string expr = this->Makefile->GetCurrentDirectory();
// Handle script mode
if ( expr.size() > 0 )
{
expr += "/" + *i;
g.FindFiles(expr);
}
else
{
g.FindFiles(*i);
}
}
else
{
g.FindFiles(*i);
}
std::vector<std::string>::size_type cc;
std::vector<std::string>& files = g.GetFiles();
for ( cc = 0; cc < files.size(); cc ++ )
{
if ( !first )
{
output += ";";
}
output += files[cc];
first = false;
}
}
this->Makefile->AddDefinition(variable.c_str(), output.c_str());
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleMakeDirectoryCommand(
std::vector<std::string> const& args)
{
if(args.size() < 2 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
std::vector<std::string>::const_iterator i = args.begin();
i++; // Get rid of subcommand
std::string expr;
for ( ; i != args.end(); ++i )
{
const std::string* cdir = &(*i);
if ( !cmsys::SystemTools::FileIsFullPath(i->c_str()) )
{
expr = this->Makefile->GetCurrentDirectory();
expr += "/" + *i;
cdir = &expr;
}
if ( !this->Makefile->CanIWriteThisFile(cdir->c_str()) )
{
std::string e = "attempted to create a directory: " + *cdir
+ " into a source directory.";
this->SetError(e.c_str());
cmSystemTools::SetFatalErrorOccured();
return false;
}
if ( !cmSystemTools::MakeDirectory(cdir->c_str()) )
{
std::string error = "problem creating directory: " + *cdir;
this->SetError(error.c_str());
return false;
}
}
return true;
}
//----------------------------------------------------------------------------
// File installation helper class.
struct cmFileInstaller
{
// Methods to actually install files.
bool InstallFile(const char* fromFile, const char* toFile, bool always);
bool InstallDirectory(const char* source, const char* destination,
bool always);
// All instances need the file command and makefile using them.
cmFileInstaller(cmFileCommand* fc, cmMakefile* mf):
FileCommand(fc), Makefile(mf), DestDirLength(0), MatchlessFiles(true)
{
// Get the current manifest.
this->Manifest =
this->Makefile->GetSafeDefinition("CMAKE_INSTALL_MANIFEST_FILES");
}
~cmFileInstaller()
{
// Save the updated install manifest.
this->Makefile->AddDefinition("CMAKE_INSTALL_MANIFEST_FILES",
this->Manifest.c_str());
}
private:
cmFileCommand* FileCommand;
cmMakefile* Makefile;
cmFileTimeComparison FileTimes;
public:
// The length of the destdir setting.
int DestDirLength;
// Whether to install a file not matching any expression.
bool MatchlessFiles;
// The current file manifest (semicolon separated list).
std::string Manifest;
// Permissions for files and directories installed by this object.
mode_t FilePermissions;
mode_t DirPermissions;
// Properties set by pattern and regex match rules.
struct MatchProperties
{
bool Exclude;
mode_t Permissions;
MatchProperties(): Exclude(false), Permissions(0) {}
};
struct MatchRule
{
cmsys::RegularExpression Regex;
MatchProperties Properties;
std::string RegexString;
MatchRule(std::string const& regex):
Regex(regex.c_str()), RegexString(regex) {}
};
std::vector<MatchRule> MatchRules;
// Get the properties from rules matching this input file.
MatchProperties CollectMatchProperties(const char* file,
bool isDirectory)
{
// Match rules are case-insensitive on some platforms.
#if defined(_WIN32) || defined(__APPLE__) || defined(__CYGWIN__)
std::string lower = cmSystemTools::LowerCase(file);
file = lower.c_str();
#endif
// Collect properties from all matching rules.
bool matched = false;
MatchProperties result;
for(std::vector<MatchRule>::iterator mr = this->MatchRules.begin();
mr != this->MatchRules.end(); ++mr)
{
if(mr->Regex.find(file))
{
matched = true;
result.Exclude |= mr->Properties.Exclude;
result.Permissions |= mr->Properties.Permissions;
}
}
if(!matched && !this->MatchlessFiles && !isDirectory)
{
result.Exclude = true;
}
return result;
}
// Append a file to the installation manifest.
void ManifestAppend(std::string const& file)
{
this->Manifest += ";";
this->Manifest += file.substr(this->DestDirLength);
}
// Translate an argument to a permissions bit.
bool CheckPermissions(std::string const& arg, mode_t& permissions)
{
if(arg == "OWNER_READ") { permissions |= mode_owner_read; }
else if(arg == "OWNER_WRITE") { permissions |= mode_owner_write; }
else if(arg == "OWNER_EXECUTE") { permissions |= mode_owner_execute; }
else if(arg == "GROUP_READ") { permissions |= mode_group_read; }
else if(arg == "GROUP_WRITE") { permissions |= mode_group_write; }
else if(arg == "GROUP_EXECUTE") { permissions |= mode_group_execute; }
else if(arg == "WORLD_READ") { permissions |= mode_world_read; }
else if(arg == "WORLD_WRITE") { permissions |= mode_world_write; }
else if(arg == "WORLD_EXECUTE") { permissions |= mode_world_execute; }
else if(arg == "SETUID") { permissions |= mode_setuid; }
else if(arg == "SETGID") { permissions |= mode_setgid; }
else
{
cmOStringStream e;
e << "INSTALL given invalid permission \"" << arg << "\".";
this->FileCommand->SetError(e.str().c_str());
return false;
}
return true;
}
private:
bool InstallSymlink(const char* fromFile, const char* toFile, bool always);
};
//----------------------------------------------------------------------------
bool cmFileInstaller::InstallSymlink(const char* fromFile, const char* toFile,
bool always)
{
// Read the original symlink.
std::string symlinkTarget;
if(!cmSystemTools::ReadSymlink(fromFile, symlinkTarget))
{
cmOStringStream e;
e << "INSTALL cannot read symlink \"" << fromFile
<< "\" to duplicate at \"" << toFile << "\".";
this->FileCommand->SetError(e.str().c_str());
return false;
}
// Compare the symlink value to that at the destination if not
// always installing.
bool copy = true;
if(!always)
{
std::string oldSymlinkTarget;
if(cmSystemTools::ReadSymlink(toFile, oldSymlinkTarget))
{
if(symlinkTarget == oldSymlinkTarget)
{
copy = false;
}
}
}
// Inform the user about this file installation.
std::string message = (copy? "Installing: " : "Up-to-date: ");
message += toFile;
this->Makefile->DisplayStatus(message.c_str(), -1);
if(copy)
{
// Remove the destination file so we can always create the symlink.
cmSystemTools::RemoveFile(toFile);
// Create the symlink.
if(!cmSystemTools::CreateSymlink(symlinkTarget.c_str(), toFile))
{
cmOStringStream e;
e << "INSTALL cannot duplicate symlink \"" << fromFile
<< "\" at \"" << toFile << "\".";
this->FileCommand->SetError(e.str().c_str());
return false;
}
}
// Add the file to the manifest.
this->ManifestAppend(toFile);
return true;
}
//----------------------------------------------------------------------------
bool cmFileInstaller::InstallFile(const char* fromFile, const char* toFile,
bool always)
{
// Collect any properties matching this file name.
MatchProperties match_properties =
this->CollectMatchProperties(fromFile, false);
// Skip the file if it is excluded.
if(match_properties.Exclude)
{
return true;
}
// Short-circuit for symbolic links.
if(cmSystemTools::FileIsSymlink(fromFile))
{
return this->InstallSymlink(fromFile, toFile, always);
}
// Determine whether we will copy the file.
bool copy = true;
if(!always)
{
// If both files exist with the same time do not copy.
if(!this->FileTimes.FileTimesDiffer(fromFile, toFile))
{
copy = false;
}
}
// Inform the user about this file installation.
std::string message = (copy? "Installing: " : "Up-to-date: ");
message += toFile;
this->Makefile->DisplayStatus(message.c_str(), -1);
// Copy the file.
if(copy && !cmSystemTools::CopyAFile(fromFile, toFile, true))
{
cmOStringStream e;
e << "INSTALL cannot copy file \"" << fromFile
<< "\" to \"" << toFile << "\".";
this->FileCommand->SetError(e.str().c_str());
return false;
}
// Add the file to the manifest.
this->ManifestAppend(toFile);
// Set the file modification time of the destination file.
if(copy && !always)
{
cmSystemTools::CopyFileTime(fromFile, toFile);
}
// Set permissions of the destination file.
mode_t permissions = (match_properties.Permissions?
match_properties.Permissions : this->FilePermissions);
if(!permissions)
{
// No permissions were explicitly provided but the user requested
// that the source file permissions be used.
cmSystemTools::GetPermissions(fromFile, permissions);
}
if(permissions && !cmSystemTools::SetPermissions(toFile, permissions))
{
cmOStringStream e;
e << "Problem setting permissions on file \"" << toFile << "\"";
this->FileCommand->SetError(e.str().c_str());
return false;
}
return true;
}
//----------------------------------------------------------------------------
bool cmFileInstaller::InstallDirectory(const char* source,
const char* destination,
bool always)
{
// Collect any properties matching this directory name.
MatchProperties match_properties =
this->CollectMatchProperties(source, true);
// Skip the directory if it is excluded.
if(match_properties.Exclude)
{
return true;
}
// Short-circuit for symbolic links.
if(cmSystemTools::FileIsSymlink(source))
{
return this->InstallSymlink(source, destination, always);
}
// Inform the user about this directory installation.
std::string message = "Installing: ";
message += destination;
this->Makefile->DisplayStatus(message.c_str(), -1);
// Make sure the destination directory exists.
if(!cmSystemTools::MakeDirectory(destination))
{
return false;
}
// Compute the requested permissions for the destination directory.
mode_t permissions = (match_properties.Permissions?
match_properties.Permissions : this->DirPermissions);
if(!permissions)
{
// No permissions were explicitly provided but the user requested
// that the source directory permissions be used.
cmSystemTools::GetPermissions(source, permissions);
}
// Compute the set of permissions required on this directory to
// recursively install files and subdirectories safely.
mode_t required_permissions =
mode_owner_read | mode_owner_write | mode_owner_execute;
// If the required permissions are specified it is safe to set the
// final permissions now. Otherwise we must add the required
// permissions temporarily during file installation.
mode_t permissions_before = 0;
mode_t permissions_after = 0;
if(permissions & required_permissions)
{
permissions_before = permissions;
}
else
{
permissions_before = permissions | required_permissions;
permissions_after = permissions;
}
// Set the required permissions of the destination directory.
if(permissions_before &&
!cmSystemTools::SetPermissions(destination, permissions_before))
{
cmOStringStream e;
e << "Problem setting permissions on directory \""
<< destination << "\"";
this->FileCommand->SetError(e.str().c_str());
return false;
}
// Load the directory contents to traverse it recursively.
cmsys::Directory dir;
if(source && *source)
{
dir.Load(source);
}
unsigned long numFiles = static_cast<unsigned long>(dir.GetNumberOfFiles());
for(unsigned long fileNum = 0; fileNum < numFiles; ++fileNum)
{
if(!(strcmp(dir.GetFile(fileNum), ".") == 0 ||
strcmp(dir.GetFile(fileNum), "..") == 0))
{
cmsys_stl::string fromPath = source;
fromPath += "/";
fromPath += dir.GetFile(fileNum);
if(cmSystemTools::FileIsDirectory(fromPath.c_str()))
{
cmsys_stl::string toDir = destination;
toDir += "/";
toDir += dir.GetFile(fileNum);
if(!this->InstallDirectory(fromPath.c_str(), toDir.c_str(), always))
{
return false;
}
}
else
{
// Install this file.
std::string toFile = destination;
toFile += "/";
toFile += dir.GetFile(fileNum);
if(!this->InstallFile(fromPath.c_str(), toFile.c_str(), always))
{
return false;
}
}
}
}
// Set the requested permissions of the destination directory.
if(permissions_after &&
!cmSystemTools::SetPermissions(destination, permissions_after))
{
cmOStringStream e;
e << "Problem setting permissions on directory \"" << destination << "\"";
this->FileCommand->SetError(e.str().c_str());
return false;
}
return true;
}
//----------------------------------------------------------------------------
void cmFileCommand::HandleInstallPermissions(cmFileInstaller& installer,
mode_t& permissions_file,
mode_t& permissions_dir,
int itype,
bool use_given_permissions_file,
bool use_given_permissions_dir,
bool use_source_permissions) const
{
// Choose a default for shared library permissions.
bool install_so_no_exe = this->Makefile->IsOn("CMAKE_INSTALL_SO_NO_EXE");
// If file permissions were not specified set default permissions
// for this target type.
if(!use_given_permissions_file && !use_source_permissions)
{
switch(itype)
{
case cmTarget::SHARED_LIBRARY:
case cmTarget::MODULE_LIBRARY:
if(install_so_no_exe)
{
// Use read/write permissions.
permissions_file = 0;
permissions_file |= mode_owner_read;
permissions_file |= mode_owner_write;
permissions_file |= mode_group_read;
permissions_file |= mode_world_read;
break;
}
case cmTarget::EXECUTABLE:
case cmTarget::INSTALL_PROGRAMS:
// Use read/write/executable permissions.
permissions_file = 0;
permissions_file |= mode_owner_read;
permissions_file |= mode_owner_write;
permissions_file |= mode_owner_execute;
permissions_file |= mode_group_read;
permissions_file |= mode_group_execute;
permissions_file |= mode_world_read;
permissions_file |= mode_world_execute;
break;
default:
// Use read/write permissions.
permissions_file = 0;
permissions_file |= mode_owner_read;
permissions_file |= mode_owner_write;
permissions_file |= mode_group_read;
permissions_file |= mode_world_read;
break;
}
}
// If directory permissions were not specified set default permissions.
if(!use_given_permissions_dir && !use_source_permissions)
{
// Use read/write/executable permissions.
permissions_dir = 0;
permissions_dir |= mode_owner_read;
permissions_dir |= mode_owner_write;
permissions_dir |= mode_owner_execute;
permissions_dir |= mode_group_read;
permissions_dir |= mode_group_execute;
permissions_dir |= mode_world_read;
permissions_dir |= mode_world_execute;
}
// Set the installer permissions.
installer.FilePermissions = permissions_file;
installer.DirPermissions = permissions_dir;
}
//----------------------------------------------------------------------------
void cmFileCommand
::GetTargetTypeFromString(const std::string& stype, int& itype) const
{
if ( stype == "EXECUTABLE" )
{
itype = cmTarget::EXECUTABLE;
}
else if ( stype == "PROGRAM" )
{
itype = cmTarget::INSTALL_PROGRAMS;
}
else if ( stype == "STATIC_LIBRARY" )
{
itype = cmTarget::STATIC_LIBRARY;
}
else if ( stype == "SHARED_LIBRARY" )
{
itype = cmTarget::SHARED_LIBRARY;
}
else if ( stype == "MODULE" )
{
itype = cmTarget::MODULE_LIBRARY;
}
else if ( stype == "DIRECTORY" )
{
itype = cmTarget::INSTALL_DIRECTORY;
}
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleInstallDestination(cmFileInstaller& installer,
std::string& destination)
{
if ( destination.size() < 2 )
{
this->SetError("called with inapropriate arguments. "
"No DESTINATION provided or .");
return false;
}
const char* destdir = cmSystemTools::GetEnv("DESTDIR");
if ( destdir && *destdir )
{
std::string sdestdir = destdir;
cmSystemTools::ConvertToUnixSlashes(sdestdir);
char ch1 = destination[0];
char ch2 = destination[1];
char ch3 = 0;
if ( destination.size() > 2 )
{
ch3 = destination[2];
}
int skip = 0;
if ( ch1 != '/' )
{
int relative = 0;
if ( ( ch1 >= 'a' && ch1 <= 'z' || ch1 >= 'A' && ch1 <= 'Z' ) &&
ch2 == ':' )
{
// Assume windows
// let's do some destdir magic:
skip = 2;
if ( ch3 != '/' )
{
relative = 1;
}
}
else
{
relative = 1;
}
if ( relative )
{
// This is relative path on unix or windows. Since we are doing
// destdir, this case does not make sense.
this->SetError("called with relative DESTINATION. This "
"does not make sense when using DESTDIR. Specify "
"absolute path or remove DESTDIR environment variable.");
return false;
}
}
else
{
if ( ch2 == '/' )
{
// looks like a network path.
this->SetError("called with network path DESTINATION. This "
"does not make sense when using DESTDIR. Specify local "
"absolute path or remove DESTDIR environment variable.");
return false;
}
}
destination = sdestdir + (destination.c_str() + skip);
installer.DestDirLength = int(sdestdir.size());
}
if ( !cmSystemTools::FileExists(destination.c_str()) )
{
if ( !cmSystemTools::MakeDirectory(destination.c_str()) )
{
std::string errstring = "cannot create directory: " + destination +
". Maybe need administrative privileges.";
this->SetError(errstring.c_str());
return false;
}
}
if ( !cmSystemTools::FileIsDirectory(destination.c_str()) )
{
std::string errstring = "INSTALL destination: " + destination +
" is not a directory.";
this->SetError(errstring.c_str());
return false;
}
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleInstallCommand(std::vector<std::string> const& args)
{
if ( args.size() < 6 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
// Construct a file installer object.
cmFileInstaller installer(this, this->Makefile);
std::string rename = "";
std::string destination = "";
std::vector<std::string> files;
int itype = cmTarget::INSTALL_FILES;
std::map<cmStdString, const char*> properties;
bool optional = false;
bool result = this->ParseInstallArgs(args, installer, properties,
itype, rename, destination, files,
optional);
if (result == true)
{
result = this->DoInstall(installer,
itype, rename, destination, files, optional);
}
return result;
}
//----------------------------------------------------------------------------
bool cmFileCommand::ParseInstallArgs(std::vector<std::string> const& args,
cmFileInstaller& installer,
std::map<cmStdString, const char*>& properties,
int& itype,
std::string& rename,
std::string& destination,
std::vector<std::string>& files,
bool& optional)
{
std::string stype = "FILES";
bool doing_files = false;
bool doing_properties = false;
bool doing_permissions_file = false;
bool doing_permissions_dir = false;
bool doing_permissions_match = false;
bool use_given_permissions_file = false;
bool use_given_permissions_dir = false;
bool use_source_permissions = false;
mode_t permissions_file = 0;
mode_t permissions_dir = 0;
cmFileInstaller::MatchRule* current_match_rule = 0;
std::vector<std::string>::size_type i = 0;
i++; // Get rid of subcommand
for ( ; i != args.size(); ++i )
{
const std::string* cstr = &args[i];
if ( *cstr == "DESTINATION" && i < args.size()-1 )
{
if(current_match_rule)
{
cmOStringStream e;
e << "INSTALL does not allow \"" << *cstr << "\" after REGEX.";
this->SetError(e.str().c_str());
return false;
}
i++;
destination = args[i];
doing_files = false;
doing_properties = false;
doing_permissions_file = false;
doing_permissions_dir = false;
}
else if ( *cstr == "TYPE" && i < args.size()-1 )
{
if(current_match_rule)
{
cmOStringStream e;
e << "INSTALL does not allow \"" << *cstr << "\" after REGEX.";
this->SetError(e.str().c_str());
return false;
}
i++;
stype = args[i];
if ( args[i+1] == "OPTIONAL" )
{
i++;
optional = true;
}
doing_properties = false;
doing_files = false;
doing_permissions_file = false;
doing_permissions_dir = false;
}
else if ( *cstr == "RENAME" && i < args.size()-1 )
{
if(current_match_rule)
{
cmOStringStream e;
e << "INSTALL does not allow \"" << *cstr << "\" after REGEX.";
this->SetError(e.str().c_str());
return false;
}
i++;
rename = args[i];
doing_properties = false;
doing_files = false;
doing_permissions_file = false;
doing_permissions_dir = false;
}
else if ( *cstr == "REGEX" && i < args.size()-1 )
{
i++;
installer.MatchRules.push_back(cmFileInstaller::MatchRule(args[i]));
current_match_rule = &*(installer.MatchRules.end()-1);
if(!current_match_rule->Regex.is_valid())
{
cmOStringStream e;
e << "INSTALL could not compile REGEX \"" << args[i] << "\".";
this->SetError(e.str().c_str());
return false;
}
doing_properties = false;
doing_files = false;
doing_permissions_file = false;
doing_permissions_dir = false;
}
else if ( *cstr == "EXCLUDE" )
{
// Add this property to the current match rule.
if(!current_match_rule)
{
cmOStringStream e;
e << "INSTALL does not allow \""
<< *cstr << "\" before a REGEX is given.";
this->SetError(e.str().c_str());
return false;
}
current_match_rule->Properties.Exclude = true;
doing_permissions_match = true;
}
else if ( *cstr == "PROPERTIES" )
{
if(current_match_rule)
{
cmOStringStream e;
e << "INSTALL does not allow \"" << *cstr << "\" after REGEX.";
this->SetError(e.str().c_str());
return false;
}
doing_properties = true;
doing_files = false;
doing_permissions_file = false;
doing_permissions_dir = false;
}
else if ( *cstr == "PERMISSIONS" )
{
if(current_match_rule)
{
doing_permissions_match = true;
doing_permissions_file = false;
}
else
{
doing_permissions_match = false;
doing_permissions_file = true;
use_given_permissions_file = true;
}
doing_properties = false;
doing_files = false;
doing_permissions_dir = false;
}
else if ( *cstr == "DIR_PERMISSIONS" )
{
if(current_match_rule)
{
cmOStringStream e;
e << "INSTALL does not allow \"" << *cstr << "\" after REGEX.";
this->SetError(e.str().c_str());
return false;
}
use_given_permissions_dir = true;
doing_properties = false;
doing_files = false;
doing_permissions_file = false;
doing_permissions_dir = true;
}
else if ( *cstr == "USE_SOURCE_PERMISSIONS" )
{
if(current_match_rule)
{
cmOStringStream e;
e << "INSTALL does not allow \"" << *cstr << "\" after REGEX.";
this->SetError(e.str().c_str());
return false;
}
doing_properties = false;
doing_files = false;
doing_permissions_file = false;
doing_permissions_dir = false;
use_source_permissions = true;
}
else if ( *cstr == "FILES_MATCHING" )
{
if(current_match_rule)
{
cmOStringStream e;
e << "INSTALL does not allow \"" << *cstr << "\" after REGEX.";
this->SetError(e.str().c_str());
return false;
}
doing_properties = false;
doing_files = false;
doing_permissions_file = false;
doing_permissions_dir = false;
installer.MatchlessFiles = false;
}
else if ( *cstr == "COMPONENTS" )
{
cmOStringStream e;
e << "INSTALL called with old-style COMPONENTS argument. "
<< "This script was generated with an older version of CMake. "
<< "Re-run this cmake version on your build tree.";
this->SetError(e.str().c_str());
return false;
}
else if ( *cstr == "CONFIGURATIONS" )
{
cmOStringStream e;
e << "INSTALL called with old-style CONFIGURATIONS argument. "
<< "This script was generated with an older version of CMake. "
<< "Re-run this cmake version on your build tree.";
this->SetError(e.str().c_str());
return false;
}
else if ( *cstr == "FILES" && !doing_files)
{
if(current_match_rule)
{
cmOStringStream e;
e << "INSTALL does not allow \"" << *cstr << "\" after REGEX.";
this->SetError(e.str().c_str());
return false;
}
doing_files = true;
doing_properties = false;
doing_permissions_file = false;
doing_permissions_dir = false;
}
else if ( doing_properties && i < args.size()-1 )
{
properties[args[i]] = args[i+1].c_str();
i++;
}
else if ( doing_files )
{
files.push_back(*cstr);
}
else if(doing_permissions_file)
{
if(!installer.CheckPermissions(args[i], permissions_file))
{
return false;
}
}
else if(doing_permissions_dir)
{
if(!installer.CheckPermissions(args[i], permissions_dir))
{
return false;
}
}
else if(doing_permissions_match)
{
if(!installer.CheckPermissions(
args[i], current_match_rule->Properties.Permissions))
{
return false;
}
}
else
{
this->SetError("called with inappropriate arguments");
return false;
}
}
// now check and postprocess what has been parsed
if ( files.size() == 0 )
{
// nothing to do, no files were listed.
// if this is handled as error, INSTALL_FILES() creates an invalid
// cmake_install.cmake script with no FILES() arguments if no files were
// given to INSTALL_FILES(). This was accepted with CMake 2.4.x.
return true;
}
// Check rename form.
if(!rename.empty())
{
if(itype != cmTarget::INSTALL_FILES &&
itype != cmTarget::INSTALL_PROGRAMS)
{
this->SetError("INSTALL option RENAME may be used only with "
"FILES or PROGRAMS.");
return false;
}
if(files.size() > 1)
{
this->SetError("INSTALL option RENAME may be used only with "
"one file.");
return false;
}
}
if (this->HandleInstallDestination(installer, destination) == false)
{
return false;
}
if(properties.find("VERSION") != properties.end())
{
cmOStringStream e;
e << "INSTALL called with old-style VERSION property. "
<< "This script was generated with an older version of CMake. "
<< "Re-run this cmake version on your build tree.";
this->SetError(e.str().c_str());
return false;
}
if(properties.find("SOVERSION") != properties.end())
{
cmOStringStream e;
e << "INSTALL called with old-style SOVERSION property. "
<< "This script was generated with an older version of CMake. "
<< "Re-run this cmake version on your build tree.";
this->SetError(e.str().c_str());
return false;
}
this->GetTargetTypeFromString(stype, itype);
this->HandleInstallPermissions(installer,
permissions_file,
permissions_dir,
itype,
use_given_permissions_file,
use_given_permissions_dir,
use_source_permissions);
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::DoInstall( cmFileInstaller& installer,
const int itype,
const std::string& rename,
const std::string& destination,
const std::vector<std::string>& files,
const bool optional)
{
typedef std::set<cmStdString>::const_iterator iter_type;
// Check whether files should be copied always or only if they have
// changed.
bool copy_always =
cmSystemTools::IsOn(cmSystemTools::GetEnv("CMAKE_INSTALL_ALWAYS"));
// Handle each file listed.
for (std::vector<std::string>::size_type i = 0; i < files.size(); i ++ )
{
// Split the input file into its directory and name components.
std::vector<std::string> fromPathComponents;
cmSystemTools::SplitPath(files[i].c_str(), fromPathComponents);
std::string fromName = *(fromPathComponents.end()-1);
std::string fromDir = cmSystemTools::JoinPath(fromPathComponents.begin(),
fromPathComponents.end()-1);
// Compute the full path to the destination file.
std::string toFile = destination;
std::string const& toName = rename.empty()? fromName : rename;
if(!toName.empty())
{
toFile += "/";
toFile += toName;
}
// Construct the full path to the source file. The file name may
// have been changed above.
std::string fromFile = fromDir;
if(!fromName.empty())
{
fromFile += "/";
fromFile += fromName;
}
std::string message;
if(!cmSystemTools::SameFile(fromFile.c_str(), toFile.c_str()))
{
if(itype == cmTarget::INSTALL_DIRECTORY &&
(fromFile.empty() ||
cmSystemTools::FileIsDirectory(fromFile.c_str())))
{
// Try installing this directory.
if(!installer.InstallDirectory(fromFile.c_str(), toFile.c_str(),
copy_always))
{
return false;
}
}
else if(cmSystemTools::FileExists(fromFile.c_str()))
{
// Install this file.
if(!installer.InstallFile(fromFile.c_str(), toFile.c_str(),
copy_always))
{
return false;
}
}
else if(!optional)
{
// The input file does not exist and installation is not optional.
cmOStringStream e;
e << "INSTALL cannot find file \"" << fromFile << "\" to install.";
this->SetError(e.str().c_str());
return false;
}
}
}
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleRelativePathCommand(
std::vector<std::string> const& args)
{
if(args.size() != 4 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
const std::string& outVar = args[1];
const std::string& directoryName = args[2];
const std::string& fileName = args[3];
if(!cmSystemTools::FileIsFullPath(directoryName.c_str()))
{
std::string errstring =
"RelativePath must be passed a full path to the directory: "
+ directoryName;
this->SetError(errstring.c_str());
return false;
}
if(!cmSystemTools::FileIsFullPath(fileName.c_str()))
{
std::string errstring =
"RelativePath must be passed a full path to the file: "
+ fileName;
this->SetError(errstring.c_str());
return false;
}
std::string res = cmSystemTools::RelativePath(directoryName.c_str(),
fileName.c_str());
this->Makefile->AddDefinition(outVar.c_str(),
res.c_str());
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleRemove(std::vector<std::string> const& args,
bool recurse)
{
std::string message;
std::vector<std::string>::const_iterator i = args.begin();
i++; // Get rid of subcommand
for(;i != args.end(); ++i)
{
if(cmSystemTools::FileIsDirectory(i->c_str()) && recurse)
{
cmSystemTools::RemoveADirectory(i->c_str());
}
else
{
cmSystemTools::RemoveFile(i->c_str());
}
}
return true;
}
//----------------------------------------------------------------------------
bool cmFileCommand::HandleCMakePathCommand(std::vector<std::string>
const& args,
bool nativePath)
{
std::vector<std::string>::const_iterator i = args.begin();
if(args.size() != 3)
{
this->SetError("FILE(SYSTEM_PATH ENV result) must be called with "
"only three arguments.");
return false;
}
i++; // Get rid of subcommand
#if defined(_WIN32) && !defined(__CYGWIN__)
char pathSep = ';';
#else
char pathSep = ':';
#endif
std::vector<cmsys::String> path = cmSystemTools::SplitString(i->c_str(),
pathSep);
i++;
const char* var = i->c_str();
std::string value;
for(std::vector<cmsys::String>::iterator j = path.begin();
j != path.end(); ++j)
{
if(j != path.begin())
{
value += ";";
}
if(!nativePath)
{
cmSystemTools::ConvertToUnixSlashes(*j);
}
else
{
*j = cmSystemTools::ConvertToOutputPath(j->c_str());
// remove double quotes in the path
cmsys::String& s = *j;
if(s.size() > 1 && s[0] == '\"' && s[s.size()-1] == '\"')
{
s = s.substr(1,s.size()-2);
}
}
value += *j;
}
this->Makefile->AddDefinition(var, value.c_str());
return true;
}
#if defined(CMAKE_BUILD_WITH_CMAKE)
// Stuff for curl download
typedef std::vector<char> cmFileCommandVectorOfChar;
namespace{
size_t
cmFileCommandWriteMemoryCallback(void *ptr, size_t size, size_t nmemb,
void *data)
{
register int realsize = (int)(size * nmemb);
std::ofstream* fout = static_cast<std::ofstream*>(data);
const char* chPtr = static_cast<char*>(ptr);
fout->write(chPtr, realsize);
return realsize;
}
static size_t
cmFileCommandCurlDebugCallback(CURL *, curl_infotype, char *chPtr,
size_t size, void *data)
{
cmFileCommandVectorOfChar *vec
= static_cast<cmFileCommandVectorOfChar*>(data);
vec->insert(vec->end(), chPtr, chPtr + size);
return size;
}
}
#endif
bool
cmFileCommand::HandleDownloadCommand(std::vector<std::string>
const& args)
{
#if defined(CMAKE_BUILD_WITH_CMAKE)
std::vector<std::string>::const_iterator i = args.begin();
if(args.size() < 3)
{
this->SetError("FILE(DOWNLOAD url file) must be called with "
"at least three arguments.");
return false;
}
i++; // Get rid of subcommand
std::string url = *i;
i++;
std::string file = *i;
i++;
double timeout = 0;
std::string verboseLog;
std::string statusVar;
while(i != args.end())
{
if(*i == "TIMEOUT")
{
i++;
if(i != args.end())
{
timeout = atof(i->c_str());
}
else
{
this->SetError("FILE(DOWNLOAD url file TIMEOUT time) missing "
"time for TIMEOUT.");
return false;
}
}
else if(*i == "LOG")
{
i++;
if( i == args.end())
{
this->SetError("FILE(DOWNLOAD url file LOG VAR) missing "
"VAR for LOG.");
return false;
}
verboseLog = *i;
}
else if(*i == "STATUS")
{
i++;
if( i == args.end())
{
this->SetError("FILE(DOWNLOAD url file STATUS VAR) missing "
"VAR for STATUS.");
return false;
}
statusVar = *i;
}
i++;
}
std::ofstream fout(file.c_str());
if(!fout)
{
this->SetError("FILE(DOWNLOAD url file TIMEOUT time) can not open "
"file for write.");
return false;
}
CURL *curl;
curl_global_init(CURL_GLOBAL_DEFAULT);
curl = curl_easy_init();
if(!curl)
{
this->SetError("FILE(DOWNLOAD ) error "
"initializing curl.");
return false;
}
curl_easy_setopt(curl, CURLOPT_URL, url.c_str());
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION,
cmFileCommandWriteMemoryCallback);
curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION,
cmFileCommandCurlDebugCallback);
cmFileCommandVectorOfChar chunkDebug;
::curl_easy_setopt(curl, CURLOPT_FILE, (void *)&fout);
::curl_easy_setopt(curl, CURLOPT_DEBUGDATA, (void *)&chunkDebug);
if(verboseLog.size())
{
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
}
if(timeout > 0)
{
curl_easy_setopt(curl, CURLOPT_TIMEOUT, timeout );
}
CURLcode res = curl_easy_perform(curl);
/* always cleanup */
curl_easy_cleanup(curl);
if(statusVar.size())
{
this->Makefile->AddDefinition(statusVar.c_str(),
curl_easy_strerror(res));
}
curl_global_cleanup();
if(chunkDebug.size())
{
chunkDebug.push_back(0);
if(CURLE_OPERATION_TIMEOUTED == res)
{
std::string output = &*chunkDebug.begin();
if(verboseLog.size())
{
this->Makefile->AddDefinition(verboseLog.c_str(),
&*chunkDebug.begin());
}
}
this->Makefile->AddDefinition(verboseLog.c_str(),
&*chunkDebug.begin());
}
return true;
#else
this->SetError("FILE(DOWNLOAD ) "
"not supported in bootstrap cmake ");
return false;
#endif
}
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