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cmFileCommand.cxx
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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 "cmFileCommand.h"
#include "cm_kwiml.h"
#include "cmsys/Directory.hxx"
#include "cmsys/FStream.hxx"
#include "cmsys/Glob.hxx"
#include "cmsys/RegularExpression.hxx"
#include "cmsys/String.hxx"
#include <algorithm>
#include <assert.h>
#include <list>
#include <sstream>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cmAlgorithms.h"
#include "cmCommandArgumentsHelper.h"
#include "cmCryptoHash.h"
#include "cmFileLockPool.h"
#include "cmFileTimeComparison.h"
#include "cmGeneratorExpression.h"
#include "cmGlobalGenerator.h"
#include "cmHexFileConverter.h"
#include "cmInstallType.h"
#include "cmListFileCache.h"
#include "cmMakefile.h"
#include "cmPolicies.h"
#include "cmSystemTools.h"
#include "cmTimestamp.h"
#include "cm_auto_ptr.hxx"
#include "cm_sys_stat.h"
#include "cmake.h"
#if defined(CMAKE_BUILD_WITH_CMAKE)
#include "cmCurl.h"
#include "cmFileLockResult.h"
#include "cm_curl.h"
#endif
#if defined(CMAKE_USE_ELF_PARSER)
#include "cmELF.h"
#endif
class cmSystemToolsFileTime;
// 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
#if defined(_WIN32)
// libcurl doesn't support file:// urls for unicode filenames on Windows.
// Convert string from UTF-8 to ACP if this is a file:// URL.
static std::string fix_file_url_windows(const std::string& url)
{
std::string ret = url;
if (strncmp(url.c_str(), "file://", 7) == 0) {
std::wstring wurl = cmsys::Encoding::ToWide(url);
if (!wurl.empty()) {
int mblen =
WideCharToMultiByte(CP_ACP, 0, wurl.c_str(), -1, NULL, 0, NULL, NULL);
if (mblen > 0) {
std::vector<char> chars(mblen);
mblen = WideCharToMultiByte(CP_ACP, 0, wurl.c_str(), -1, &chars[0],
mblen, NULL, NULL);
if (mblen > 0) {
ret = &chars[0];
}
}
}
}
return ret;
}
#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);
}
if (subCommand == "APPEND") {
return this->HandleWriteCommand(args, true);
}
if (subCommand == "DOWNLOAD") {
return this->HandleDownloadCommand(args);
}
if (subCommand == "UPLOAD") {
return this->HandleUploadCommand(args);
}
if (subCommand == "READ") {
return this->HandleReadCommand(args);
}
if (subCommand == "MD5" || subCommand == "SHA1" || subCommand == "SHA224" ||
subCommand == "SHA256" || subCommand == "SHA384" ||
subCommand == "SHA512" || subCommand == "SHA3_224" ||
subCommand == "SHA3_256" || subCommand == "SHA3_384" ||
subCommand == "SHA3_512") {
return this->HandleHashCommand(args);
}
if (subCommand == "STRINGS") {
return this->HandleStringsCommand(args);
}
if (subCommand == "GLOB") {
return this->HandleGlobCommand(args, false);
}
if (subCommand == "GLOB_RECURSE") {
return this->HandleGlobCommand(args, true);
}
if (subCommand == "MAKE_DIRECTORY") {
return this->HandleMakeDirectoryCommand(args);
}
if (subCommand == "RENAME") {
return this->HandleRename(args);
}
if (subCommand == "REMOVE") {
return this->HandleRemove(args, false);
}
if (subCommand == "REMOVE_RECURSE") {
return this->HandleRemove(args, true);
}
if (subCommand == "COPY") {
return this->HandleCopyCommand(args);
}
if (subCommand == "INSTALL") {
return this->HandleInstallCommand(args);
}
if (subCommand == "DIFFERENT") {
return this->HandleDifferentCommand(args);
}
if (subCommand == "RPATH_CHANGE" || subCommand == "CHRPATH") {
return this->HandleRPathChangeCommand(args);
}
if (subCommand == "RPATH_CHECK") {
return this->HandleRPathCheckCommand(args);
}
if (subCommand == "RPATH_REMOVE") {
return this->HandleRPathRemoveCommand(args);
}
if (subCommand == "READ_ELF") {
return this->HandleReadElfCommand(args);
}
if (subCommand == "RELATIVE_PATH") {
return this->HandleRelativePathCommand(args);
}
if (subCommand == "TO_CMAKE_PATH") {
return this->HandleCMakePathCommand(args, false);
}
if (subCommand == "TO_NATIVE_PATH") {
return this->HandleCMakePathCommand(args, true);
}
if (subCommand == "TIMESTAMP") {
return this->HandleTimestampCommand(args);
}
if (subCommand == "GENERATE") {
return this->HandleGenerateCommand(args);
}
if (subCommand == "LOCK") {
return this->HandleLockCommand(args);
}
std::string e = "does not recognize sub-command " + subCommand;
this->SetError(e);
return false;
}
bool cmFileCommand::HandleWriteCommand(std::vector<std::string> const& args,
bool append)
{
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->GetCurrentSourceDirectory();
fileName += "/" + *i;
}
i++;
if (!this->Makefile->CanIWriteThisFile(fileName.c_str())) {
std::string e =
"attempted to write a file: " + fileName + " into a source directory.";
this->SetError(e);
cmSystemTools::SetFatalErrorOccured();
return false;
}
std::string dir = cmSystemTools::GetFilenamePath(fileName);
cmSystemTools::MakeDirectory(dir.c_str());
mode_t mode = 0;
// Set permissions to writable
if (cmSystemTools::GetPermissions(fileName.c_str(), mode)) {
cmSystemTools::SetPermissions(fileName.c_str(),
#if defined(_MSC_VER) || defined(__MINGW32__)
mode | S_IWRITE
#else
mode | S_IWUSR | S_IWGRP
#endif
);
}
// If GetPermissions fails, pretend like it is ok. File open will fail if
// the file is not writable
cmsys::ofstream file(fileName.c_str(),
append ? std::ios::app : std::ios::out);
if (!file) {
std::string error = "failed to open for writing (";
error += cmSystemTools::GetLastSystemError();
error += "):\n ";
error += fileName;
this->SetError(error);
return false;
}
std::string message = cmJoin(cmMakeRange(i, args.end()), std::string());
file << message;
file.close();
if (mode) {
cmSystemTools::SetPermissions(fileName.c_str(), mode);
}
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, CM_NULLPTR);
cmCAString resultArg(&argHelper, CM_NULLPTR);
cmCAString offsetArg(&argHelper, "OFFSET", &group);
cmCAString limitArg(&argHelper, "LIMIT", &group);
cmCAEnabler hexOutputArg(&argHelper, "HEX", &group);
readArg.Follows(CM_NULLPTR);
fileNameArg.Follows(&readArg);
resultArg.Follows(&fileNameArg);
group.Follows(&resultArg);
argHelper.Parse(&args, CM_NULLPTR);
std::string fileName = fileNameArg.GetString();
if (!cmsys::SystemTools::FileIsFullPath(fileName.c_str())) {
fileName = this->Makefile->GetCurrentSourceDirectory();
fileName += "/" + fileNameArg.GetString();
}
std::string variable = resultArg.GetString();
// Open the specified file.
#if defined(_WIN32) || defined(__CYGWIN__)
cmsys::ifstream file(
fileName.c_str(), std::ios::in |
(hexOutputArg.IsEnabled() ? std::ios::binary : std::ios::in));
#else
cmsys::ifstream file(fileName.c_str());
#endif
if (!file) {
std::string error = "failed to open for reading (";
error += cmSystemTools::GetLastSystemError();
error += "):\n ";
error += fileName;
this->SetError(error);
return false;
}
// is there a limit?
long sizeLimit = -1;
if (!limitArg.GetString().empty()) {
sizeLimit = atoi(limitArg.GetCString());
}
// is there an offset?
long offset = 0;
if (!offsetArg.GetString().empty()) {
offset = atoi(offsetArg.GetCString());
}
file.seekg(offset, std::ios::beg); // explicit ios::beg for IBM VisualAge 6
std::string output;
if (hexOutputArg.IsEnabled()) {
// Convert part of the file into hex code
char c;
while ((sizeLimit != 0) && (file.get(c))) {
char hex[4];
sprintf(hex, "%.2x", 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, output.c_str());
return true;
}
bool cmFileCommand::HandleHashCommand(std::vector<std::string> const& args)
{
#if defined(CMAKE_BUILD_WITH_CMAKE)
if (args.size() != 3) {
std::ostringstream e;
e << args[0] << " requires a file name and output variable";
this->SetError(e.str());
return false;
}
CM_AUTO_PTR<cmCryptoHash> hash(cmCryptoHash::New(args[0].c_str()));
if (hash.get()) {
std::string out = hash->HashFile(args[1]);
if (!out.empty()) {
this->Makefile->AddDefinition(args[2], out.c_str());
return true;
}
std::ostringstream e;
e << args[0] << " failed to read file \"" << args[1]
<< "\": " << cmSystemTools::GetLastSystemError();
this->SetError(e.str());
}
return false;
#else
std::ostringstream e;
e << args[0] << " not available during bootstrap";
this->SetError(e.str().c_str());
return false;
#endif
}
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->GetCurrentSourceDirectory();
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,
arg_encoding
};
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;
enum
{
encoding_none = cmsys::FStream::BOM_None,
encoding_utf8 = cmsys::FStream::BOM_UTF8,
encoding_utf16le = cmsys::FStream::BOM_UTF16LE,
encoding_utf16be = cmsys::FStream::BOM_UTF16BE,
encoding_utf32le = cmsys::FStream::BOM_UTF32LE,
encoding_utf32be = cmsys::FStream::BOM_UTF32BE
};
int encoding = encoding_none;
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 (args[i] == "ENCODING") {
arg_mode = arg_encoding;
} else if (arg_mode == arg_limit_input) {
if (sscanf(args[i].c_str(), "%d", &limit_input) != 1 ||
limit_input < 0) {
std::ostringstream e;
e << "STRINGS option LIMIT_INPUT value \"" << args[i]
<< "\" is not an unsigned integer.";
this->SetError(e.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) {
std::ostringstream e;
e << "STRINGS option LIMIT_OUTPUT value \"" << args[i]
<< "\" is not an unsigned integer.";
this->SetError(e.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) {
std::ostringstream e;
e << "STRINGS option LIMIT_COUNT value \"" << args[i]
<< "\" is not an unsigned integer.";
this->SetError(e.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) {
std::ostringstream e;
e << "STRINGS option LENGTH_MINIMUM value \"" << args[i]
<< "\" is not an unsigned integer.";
this->SetError(e.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) {
std::ostringstream e;
e << "STRINGS option LENGTH_MAXIMUM value \"" << args[i]
<< "\" is not an unsigned integer.";
this->SetError(e.str());
return false;
}
maxlen = len;
arg_mode = arg_none;
} else if (arg_mode == arg_regex) {
if (!regex.compile(args[i].c_str())) {
std::ostringstream e;
e << "STRINGS option REGEX value \"" << args[i]
<< "\" could not be compiled.";
this->SetError(e.str());
return false;
}
have_regex = true;
arg_mode = arg_none;
} else if (arg_mode == arg_encoding) {
if (args[i] == "UTF-8") {
encoding = encoding_utf8;
} else if (args[i] == "UTF-16LE") {
encoding = encoding_utf16le;
} else if (args[i] == "UTF-16BE") {
encoding = encoding_utf16be;
} else if (args[i] == "UTF-32LE") {
encoding = encoding_utf32le;
} else if (args[i] == "UTF-32BE") {
encoding = encoding_utf32be;
} else {
std::ostringstream e;
e << "STRINGS option ENCODING \"" << args[i] << "\" not recognized.";
this->SetError(e.str());
return false;
}
arg_mode = arg_none;
} else {
std::ostringstream e;
e << "STRINGS given unknown argument \"" << args[i] << "\"";
this->SetError(e.str());
return false;
}
}
if (hex_conversion_enabled) {
// TODO: should work without temp file, but just on a memory buffer
std::string binaryFileName = this->Makefile->GetCurrentBinaryDirectory();
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__)
cmsys::ifstream fin(fileName.c_str(), std::ios::in | std::ios::binary);
#else
cmsys::ifstream fin(fileName.c_str());
#endif
if (!fin) {
std::ostringstream e;
e << "STRINGS file \"" << fileName << "\" cannot be read.";
this->SetError(e.str());
return false;
}
// If BOM is found and encoding was not specified, use the BOM
int bom_found = cmsys::FStream::ReadBOM(fin);
if (encoding == encoding_none && bom_found != cmsys::FStream::BOM_None) {
encoding = bom_found;
}
unsigned int bytes_rem = 0;
if (encoding == encoding_utf16le || encoding == encoding_utf16be) {
bytes_rem = 1;
}
if (encoding == encoding_utf32le || encoding == encoding_utf32be) {
bytes_rem = 3;
}
// Parse strings out of the file.
int output_size = 0;
std::vector<std::string> strings;
std::string s;
while ((!limit_count || strings.size() < limit_count) &&
(limit_input < 0 || static_cast<int>(fin.tellg()) < limit_input) &&
fin) {
std::string current_str;
int c = fin.get();
for (unsigned int i = 0; i < bytes_rem; ++i) {
int c1 = fin.get();
if (!fin) {
fin.putback(static_cast<char>(c1));
break;
}
c = (c << 8) | c1;
}
if (encoding == encoding_utf16le) {
c = ((c & 0xFF) << 8) | ((c & 0xFF00) >> 8);
} else if (encoding == encoding_utf32le) {
c = (((c & 0xFF) << 24) | ((c & 0xFF00) << 8) | ((c & 0xFF0000) >> 8) |
((c & 0xFF000000) >> 24));
}
if (c == '\r') {
// Ignore CR character to make output always have UNIX newlines.
continue;
}
if ((c >= 0x20 && c < 0x7F) || c == '\t' ||
(c == '\n' && newline_consume)) {
// This is an ASCII character that may be part of a string.
// Cast added to avoid compiler warning. Cast is ok because
// c is guaranteed to fit in char by the above if...
current_str += static_cast<char>(c);
} else if (encoding == encoding_utf8) {
// Check for UTF-8 encoded string (up to 4 octets)
static const unsigned char utf8_check_table[3][2] = {
{ 0xE0, 0xC0 }, { 0xF0, 0xE0 }, { 0xF8, 0xF0 },
};
// how many octets are there?
unsigned int num_utf8_bytes = 0;
for (unsigned int j = 0; num_utf8_bytes == 0 && j < 3; j++) {
if ((c & utf8_check_table[j][0]) == utf8_check_table[j][1]) {
num_utf8_bytes = j + 2;
}
}
// get subsequent octets and check that they are valid
for (unsigned int j = 0; j < num_utf8_bytes; j++) {
if (j != 0) {
c = fin.get();
if (!fin || (c & 0xC0) != 0x80) {
fin.putback(static_cast<char>(c));
break;
}
}
current_str += static_cast<char>(c);
}
// if this was an invalid utf8 sequence, discard the data, and put
// back subsequent characters
if ((current_str.length() != num_utf8_bytes)) {
for (unsigned int j = 0; j < current_str.size() - 1; j++) {
c = current_str[current_str.size() - 1 - j];
fin.putback(static_cast<char>(c));
}
current_str = "";
}
}
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 (current_str.empty()) {
// A non-string character has been found. Check if the current
// string matches the requirements. We require that the length
// be at least one no matter what the user specified.
if (s.length() >= minlen && !s.empty() &&
(!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 {
s += current_str;
}
if (maxlen > 0 && s.size() == maxlen) {
// Terminate a string if the maximum length is reached.
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, output.c_str());
return true;
}
bool cmFileCommand::HandleGlobCommand(std::vector<std::string> const& args,
bool recurse)
{
// File commands has at least one argument
assert(args.size() > 1);
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);
bool explicitFollowSymlinks = false;
cmPolicies::PolicyStatus status =
this->Makefile->GetPolicyStatus(cmPolicies::CMP0009);
if (recurse) {
switch (status) {
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::NEW:
g.RecurseThroughSymlinksOff();
break;
case cmPolicies::OLD:
case cmPolicies::WARN:
g.RecurseThroughSymlinksOn();
break;
}
}
std::string output;
bool first = true;
for (; i != args.end(); ++i) {
if (*i == "LIST_DIRECTORIES") {
++i;
if (i != args.end()) {
if (cmSystemTools::IsOn(i->c_str())) {
g.SetListDirs(true);
g.SetRecurseListDirs(true);
} else if (cmSystemTools::IsOff(i->c_str())) {
g.SetListDirs(false);
g.SetRecurseListDirs(false);
} else {
this->SetError("LIST_DIRECTORIES missing bool value.");
return false;
}
} else {
this->SetError("LIST_DIRECTORIES missing bool value.");
return false;
}
continue;
}
if (recurse && (*i == "FOLLOW_SYMLINKS")) {
explicitFollowSymlinks = true;
g.RecurseThroughSymlinksOn();
++i;
if (i == args.end()) {
this->SetError(
"GLOB_RECURSE requires a glob expression after FOLLOW_SYMLINKS");
return false;
}
}
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;
}
}
cmsys::Glob::GlobMessages globMessages;
if (!cmsys::SystemTools::FileIsFullPath(i->c_str())) {
std::string expr = this->Makefile->GetCurrentSourceDirectory();
// Handle script mode
if (!expr.empty()) {
expr += "/" + *i;
g.FindFiles(expr, &globMessages);
} else {
g.FindFiles(*i, &globMessages);
}
} else {
g.FindFiles(*i, &globMessages);
}
if (!globMessages.empty()) {
bool shouldExit = false;
for (cmsys::Glob::GlobMessagesIterator it = globMessages.begin();
it != globMessages.end(); ++it) {
if (it->type == cmsys::Glob::cyclicRecursion) {
this->Makefile->IssueMessage(
cmake::AUTHOR_WARNING,
"Cyclic recursion detected while globbing for '" + *i + "':\n" +
it->content);
} else {
this->Makefile->IssueMessage(
cmake::FATAL_ERROR, "Error has occurred while globbing for '" +
*i + "' - " + it->content);
shouldExit = true;
}
}
if (shouldExit) {
return false;
}
}
std::vector<std::string>::size_type cc;
std::vector<std::string>& files = g.GetFiles();
std::sort(files.begin(), files.end());
for (cc = 0; cc < files.size(); cc++) {
if (!first) {
output += ";";
}
output += files[cc];
first = false;
}
}
if (recurse && !explicitFollowSymlinks) {
switch (status) {
case cmPolicies::REQUIRED_IF_USED:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::NEW:
// Correct behavior, yay!
break;
case cmPolicies::OLD:
// Probably not really the expected behavior, but the author explicitly
// asked for the old behavior... no warning.
case cmPolicies::WARN:
// Possibly unexpected old behavior *and* we actually traversed
// symlinks without being explicitly asked to: warn the author.
if (g.GetFollowedSymlinkCount() != 0) {
this->Makefile->IssueMessage(
cmake::AUTHOR_WARNING,
cmPolicies::GetPolicyWarning(cmPolicies::CMP0009));
}
break;
}
}
this->Makefile->AddDefinition(variable, output.c_str());
return true;
}
bool cmFileCommand::HandleMakeDirectoryCommand(
std::vector<std::string> const& args)
{
// File command has at least one argument
assert(args.size() > 1);
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->GetCurrentSourceDirectory();
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);
cmSystemTools::SetFatalErrorOccured();
return false;
}
if (!cmSystemTools::MakeDirectory(cdir->c_str())) {
std::string error = "problem creating directory: " + *cdir;
this->SetError(error);
return false;
}
}
return true;
}
bool cmFileCommand::HandleDifferentCommand(
std::vector<std::string> const& args)
{
/*
FILE(DIFFERENT <variable> FILES <lhs> <rhs>)
*/
// Evaluate arguments.
const char* file_lhs = CM_NULLPTR;
const char* file_rhs = CM_NULLPTR;
const char* var = CM_NULLPTR;
enum Doing
{
DoingNone,
DoingVar,
DoingFileLHS,
DoingFileRHS
};
Doing doing = DoingVar;
for (unsigned int i = 1; i < args.size(); ++i) {
if (args[i] == "FILES") {
doing = DoingFileLHS;
} else if (doing == DoingVar) {
var = args[i].c_str();
doing = DoingNone;
} else if (doing == DoingFileLHS) {
file_lhs = args[i].c_str();
doing = DoingFileRHS;
} else if (doing == DoingFileRHS) {
file_rhs = args[i].c_str();
doing = DoingNone;
} else {
std::ostringstream e;
e << "DIFFERENT given unknown argument " << args[i];
this->SetError(e.str());
return false;
}
}
if (!var) {
this->SetError("DIFFERENT not given result variable name.");
return false;
}
if (!file_lhs || !file_rhs) {
this->SetError("DIFFERENT not given FILES option with two file names.");
return false;
}
// Compare the files.
const char* result =
cmSystemTools::FilesDiffer(file_lhs, file_rhs) ? "1" : "0";
this->Makefile->AddDefinition(var, result);
return true;
}
// File installation helper class.
struct cmFileCopier
{
cmFileCopier(cmFileCommand* command, const char* name = "COPY")
: FileCommand(command)
, Makefile(command->GetMakefile())
, Name(name)
, Always(false)
, MatchlessFiles(true)
, FilePermissions(0)
, DirPermissions(0)
, CurrentMatchRule(CM_NULLPTR)
, UseGivenPermissionsFile(false)
, UseGivenPermissionsDir(false)
, UseSourcePermissions(true)
, Doing(DoingNone)