2010-09-14 07:18:09 +02:00
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/** @file
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Provides interface to shell internal functions for shell commands.
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2018-01-26 09:41:37 +01:00
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved. <BR>
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2016-07-28 10:31:57 +02:00
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(C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
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2019-04-04 01:07:06 +02:00
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SPDX-License-Identifier: BSD-2-Clause-Patent
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2010-09-14 07:18:09 +02:00
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**/
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#ifndef _UEFI_COMMAND_LIB_INTERNAL_HEADER_
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#define _UEFI_COMMAND_LIB_INTERNAL_HEADER_
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#include <Uefi.h>
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#include <Guid/FileInfo.h>
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2018-01-26 09:41:37 +01:00
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#include <Guid/GlobalVariable.h>
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2010-09-14 07:18:09 +02:00
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#include <Protocol/SimpleFileSystem.h>
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#include <Protocol/LoadedImage.h>
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#include <Protocol/EfiShellInterface.h>
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#include <Protocol/EfiShellEnvironment2.h>
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2016-10-18 08:30:42 +02:00
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#include <Protocol/Shell.h>
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#include <Protocol/ShellParameters.h>
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2010-09-14 07:18:09 +02:00
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#include <Protocol/UnicodeCollation.h>
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#include <Protocol/BlockIo.h>
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2016-10-18 08:30:42 +02:00
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#include <Protocol/ShellDynamicCommand.h>
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2010-09-14 07:18:09 +02:00
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#include <Library/DevicePathLib.h>
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#include <Library/SortLib.h>
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#include <Library/HandleParsingLib.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/PcdLib.h>
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2010-09-17 22:08:20 +02:00
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#include <Library/ShellCommandLib.h>
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2010-09-14 07:18:09 +02:00
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#include <Library/PrintLib.h>
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#include <Library/ShellLib.h>
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#include <Library/HiiLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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2016-07-28 10:31:57 +02:00
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#include <Library/UefiLib.h>
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ShellPkg/ShellCommandLib: add ShellSortFileList()
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>
2021-01-13 09:54:49 +01:00
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#include <Library/OrderedCollectionLib.h>
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2010-09-14 07:18:09 +02:00
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2021-12-05 23:54:13 +01:00
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typedef struct {
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LIST_ENTRY Link;
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CHAR16 *CommandString;
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SHELL_GET_MAN_FILENAME GetManFileName;
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SHELL_RUN_COMMAND CommandHandler;
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BOOLEAN LastError;
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EFI_HII_HANDLE HiiHandle;
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EFI_STRING_ID ManFormatHelp;
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2010-09-14 07:18:09 +02:00
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} SHELL_COMMAND_INTERNAL_LIST_ENTRY;
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typedef struct {
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2021-12-05 23:54:13 +01:00
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LIST_ENTRY Link;
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SCRIPT_FILE *Data;
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2010-09-14 07:18:09 +02:00
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} SCRIPT_FILE_LIST;
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typedef struct {
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2021-12-05 23:54:13 +01:00
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EFI_FILE_PROTOCOL *FileHandle;
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CHAR16 *Path;
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2010-09-14 07:18:09 +02:00
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} SHELL_COMMAND_FILE_HANDLE;
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ShellPkg/ShellCommandLib: add ShellSortFileList()
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>
2021-01-13 09:54:49 +01:00
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//
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// Collects multiple EFI_SHELL_FILE_INFO objects that share the same name.
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//
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typedef struct {
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//
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// A string that compares equal to either the FileName or the FullName fields
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// of all EFI_SHELL_FILE_INFO objects on SameNameList, according to
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// gUnicodeCollation->StriColl(). The string is not dynamically allocated;
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// instead, it *aliases* the FileName or FullName field of the
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// EFI_SHELL_FILE_INFO object that was first encountered with this name.
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//
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2021-12-05 23:54:13 +01:00
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CONST CHAR16 *Alias;
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ShellPkg/ShellCommandLib: add ShellSortFileList()
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>
2021-01-13 09:54:49 +01:00
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//
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// A list of EFI_SHELL_FILE_INFO objects whose FileName or FullName fields
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// compare equal to Alias, according to gUnicodeCollation->StriColl().
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//
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2021-12-05 23:54:13 +01:00
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LIST_ENTRY SameNameList;
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ShellPkg/ShellCommandLib: add ShellSortFileList()
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>
2021-01-13 09:54:49 +01:00
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} SHELL_SORT_UNIQUE_NAME;
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2010-09-14 07:18:09 +02:00
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#endif //_UEFI_COMMAND_LIB_INTERNAL_HEADER_
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