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101c55ac0d
Introduce the ShellSortFileList() function, for sorting an EFI_SHELL_FILE_INFO list, by FileName or by FullName. Duplicates can be kept in the same list, or separated out to a new list. In either case, the relative order between duplicates does not change (the sorting is stable). For the sorting, use OrderedCollectionLib rather than SortLib: - The PerformQuickSort() function from the latter has quadratic worst-case time complexity, plus it is implemented recursively (see "MdeModulePkg/Library/UefiSortLib/UefiSortLib.c"). It can also not return an error on memory allocation failure. - In comparison, the Red-Black Tree instance of OrderedCollectionLib sorts in O(n*log(n)) worst-case time, contains no recursion with the default PcdValidateOrderedCollection=FALSE setting, and the OrderedCollectionLib class APIs return errors appropriately. The OrderedCollectionLib APIs do not permit duplicates natively, but by using lists as collection entries, stable sorting of duplicates can be achieved. Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Zhichao Gao <zhichao.gao@intel.com> Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3151 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Zhichao Gao <zhichao.gao@intel.com> Message-Id: <20210113085453.10168-7-lersek@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
66 lines
2.0 KiB
INI
66 lines
2.0 KiB
INI
## @file
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# Provides interface to shell internal functions for shell commands.
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#
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# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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#
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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#
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##
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[Defines]
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INF_VERSION = 0x00010006
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BASE_NAME = UefiShellCommandLib
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FILE_GUID = 5C12F31F-EBAC-466e-A400-FCA8C9EA3A05
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MODULE_TYPE = UEFI_DRIVER
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VERSION_STRING = 1.1
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LIBRARY_CLASS = ShellCommandLib|UEFI_APPLICATION UEFI_DRIVER DXE_RUNTIME_DRIVER
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CONSTRUCTOR = ShellCommandLibConstructor
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DESTRUCTOR = ShellCommandLibDestructor
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#
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# VALID_ARCHITECTURES = IA32 X64 EBC
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#
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[Sources.common]
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UefiShellCommandLib.c
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UefiShellCommandLib.h
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ConsistMapping.c
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[Packages]
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MdePkg/MdePkg.dec
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ShellPkg/ShellPkg.dec
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MdeModulePkg/MdeModulePkg.dec
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[LibraryClasses]
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MemoryAllocationLib
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BaseLib
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BaseMemoryLib
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DebugLib
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PrintLib
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UefiBootServicesTableLib
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ShellLib
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HiiLib
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HandleParsingLib
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OrderedCollectionLib
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[Protocols]
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gEfiUnicodeCollation2ProtocolGuid ## CONSUMES
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gEfiShellProtocolGuid ## CONSUMES
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gEfiShellParametersProtocolGuid ## CONSUMES
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gEfiShellDynamicCommandProtocolGuid ## SOMETIMES_CONSUMES
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gEfiUsbIoProtocolGuid ## SOMETIMES_CONSUMES
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[Guids]
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gEfiSasDevicePathGuid ## SOMETIMES_CONSUMES ## GUID
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[Pcd.common]
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gEfiShellPkgTokenSpaceGuid.PcdShellSupportLevel ## CONSUMES
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gEfiShellPkgTokenSpaceGuid.PcdShellMapNameLength ## CONSUMES
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gEfiShellPkgTokenSpaceGuid.PcdUsbExtendedDecode ## SOMETIMES_CONSUMES
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gEfiShellPkgTokenSpaceGuid.PcdShellDecodeIScsiMapNames ## SOMETIMES_CONSUMES
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gEfiShellPkgTokenSpaceGuid.PcdShellVendorExtendedDecode ## SOMETIMES_CONSUMES
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[Depex]
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gEfiUnicodeCollation2ProtocolGuid
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