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Remove PathWithStatus.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184910 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2013-06-26 04:15:55 +00:00
parent 34b96d1576
commit 2c63b27e9f
3 changed files with 0 additions and 135 deletions
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86
include/llvm/Support/PathV1.h
View File

@ -405,92 +405,6 @@ namespace sys {
/// @} /// @}
}; };
/// This class is identical to Path class except it allows you to obtain the
/// file status of the Path as well. The reason for the distinction is one of
/// efficiency. First, the file status requires additional space and the space
/// is incorporated directly into PathWithStatus without an additional malloc.
/// Second, obtaining status information is an expensive operation on most
/// operating systems so we want to be careful and explicit about where we
/// allow this operation in LLVM.
/// @brief Path with file status class.
class PathWithStatus : public Path {
/// @name Constructors
/// @{
public:
/// @brief Default constructor
PathWithStatus() : Path(), status(), fsIsValid(false) {}
/// @brief Copy constructor
PathWithStatus(const PathWithStatus &that)
: Path(static_cast<const Path&>(that)), status(that.status),
fsIsValid(that.fsIsValid) {}
/// This constructor allows construction from a Path object
/// @brief Path constructor
PathWithStatus(const Path &other)
: Path(other), status(), fsIsValid(false) {}
/// This constructor will accept a char* or std::string as a path. No
/// checking is done on this path to determine if it is valid. To
/// determine validity of the path, use the isValid method.
/// @brief Construct a Path from a string.
explicit PathWithStatus(
StringRef p ///< The path to assign.
) : Path(p), status(), fsIsValid(false) {}
/// This constructor will accept a character range as a path. No checking
/// is done on this path to determine if it is valid. To determine
/// validity of the path, use the isValid method.
/// @brief Construct a Path from a string.
explicit PathWithStatus(
const char *StrStart, ///< Pointer to the first character of the path
unsigned StrLen ///< Length of the path.
) : Path(StrStart, StrLen), status(), fsIsValid(false) {}
/// Makes a copy of \p that to \p this.
/// @returns \p this
/// @brief Assignment Operator
PathWithStatus &operator=(const PathWithStatus &that) {
static_cast<Path&>(*this) = static_cast<const Path&>(that);
status = that.status;
fsIsValid = that.fsIsValid;
return *this;
}
/// Makes a copy of \p that to \p this.
/// @returns \p this
/// @brief Assignment Operator
PathWithStatus &operator=(const Path &that) {
static_cast<Path&>(*this) = static_cast<const Path&>(that);
fsIsValid = false;
return *this;
}
/// @}
/// @name Methods
/// @{
public:
/// This function returns status information about the file. The type of
/// path (file or directory) is updated to reflect the actual contents
/// of the file system.
/// @returns 0 on failure, with Error explaining why (if non-zero),
/// otherwise returns a pointer to a FileStatus structure on success.
/// @brief Get file status.
const FileStatus *getFileStatus(
bool forceUpdate = false, ///< Force an update from the file system
std::string *Error = 0 ///< Optional place to return an error msg.
) const;
/// @}
/// @name Data
/// @{
private:
mutable FileStatus status; ///< Status information.
mutable bool fsIsValid; ///< Whether we've obtained it or not
/// @}
};
} }
} }

20
lib/Support/Unix/Path.inc
View File

@ -332,26 +332,6 @@ Path::isRegularFile() const {
return false; return false;
} }
const FileStatus *
PathWithStatus::getFileStatus(bool update, std::string *ErrStr) const {
if (!fsIsValid || update) {
struct stat buf;
if (0 != stat(path.c_str(), &buf)) {
MakeErrMsg(ErrStr, path + ": can't get status of file");
return 0;
}
status.fileSize = buf.st_size;
status.modTime.fromEpochTime(buf.st_mtime);
status.mode = buf.st_mode;
status.user = buf.st_uid;
status.group = buf.st_gid;
status.isDir = S_ISDIR(buf.st_mode);
status.isFile = S_ISREG(buf.st_mode);
fsIsValid = true;
}
return &status;
}
static bool AddPermissionBits(const Path &File, int bits) { static bool AddPermissionBits(const Path &File, int bits) {
// Get the umask value from the operating system. We want to use it // Get the umask value from the operating system. We want to use it
// when changing the file's permissions. Since calling umask() sets // when changing the file's permissions. Since calling umask() sets

29
lib/Support/Windows/Path.inc
View File

@ -245,35 +245,6 @@ Path::isRegularFile() const {
return res; return res;
} }
const FileStatus *
PathWithStatus::getFileStatus(bool update, std::string *ErrStr) const {
if (!fsIsValid || update) {
WIN32_FILE_ATTRIBUTE_DATA fi;
if (!GetFileAttributesEx(path.c_str(), GetFileExInfoStandard, &fi)) {
MakeErrMsg(ErrStr, "getStatusInfo():" + std::string(path) +
": Can't get status: ");
return 0;
}
status.fileSize = fi.nFileSizeHigh;
status.fileSize <<= sizeof(fi.nFileSizeHigh)*8;
status.fileSize += fi.nFileSizeLow;
status.mode = fi.dwFileAttributes & FILE_ATTRIBUTE_READONLY ? 0555 : 0777;
status.user = 9999; // Not applicable to Windows, so...
status.group = 9999; // Not applicable to Windows, so...
ULARGE_INTEGER ui;
ui.LowPart = fi.ftLastWriteTime.dwLowDateTime;
ui.HighPart = fi.ftLastWriteTime.dwHighDateTime;
status.modTime.fromWin32Time(ui.QuadPart);
status.isDir = fi.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
fsIsValid = true;
}
return &status;
}
bool Path::makeReadableOnDisk(std::string* ErrMsg) { bool Path::makeReadableOnDisk(std::string* ErrMsg) {
// All files are readable on Windows (ignoring security attributes). // All files are readable on Windows (ignoring security attributes).
return false; return false;