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85 lines
3.6 KiB
C
85 lines
3.6 KiB
C
/** @file
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Provides interface to shell MAN file parser.
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Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _SHELL_MAN_FILE_PARSER_HEADER_
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#define _SHELL_MAN_FILE_PARSER_HEADER_
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/**
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This function returns the help information for the specified command. The help text
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will be parsed from a UEFI Shell manual page. (see UEFI Shell 2.0 Appendix B)
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If Sections is specified, then each section name listed will be compared in a casesensitive
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manner, to the section names described in Appendix B. If the section exists,
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it will be appended to the returned help text. If the section does not exist, no
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information will be returned. If Sections is NULL, then all help text information
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available will be returned.
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if BriefDesc is NULL, then the breif description will not be savedd seperatly,
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but placed first in the main HelpText.
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@param[in] ManFileName Points to the NULL-terminated UEFI Shell MAN file name.
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@param[in] Command Points to the NULL-terminated UEFI Shell command name.
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@param[in] Sections Points to the NULL-terminated comma-delimited
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section names to return. If NULL, then all
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sections will be returned.
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@param[out] BriefDesc On return, points to a callee-allocated buffer
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containing brief description text.
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@param[out] HelpText On return, points to a callee-allocated buffer
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containing all specified help text.
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@retval EFI_SUCCESS The help text was returned.
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@retval EFI_OUT_OF_RESOURCES The necessary buffer could not be allocated to hold the
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returned help text.
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@retval EFI_INVALID_PARAMETER HelpText is NULL
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@retval EFI_NOT_FOUND There is no help text available for Command.
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**/
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EFI_STATUS
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ProcessManFile(
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IN CONST CHAR16 *ManFileName,
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IN CONST CHAR16 *Command,
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IN CONST CHAR16 *Sections OPTIONAL,
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OUT CHAR16 **BriefDesc,
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OUT CHAR16 **HelpText
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);
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/**
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parses through the MAN file specified by SHELL_FILE_HANDLE and returns the
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detailed help for any sub section specified in the comma seperated list of
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sections provided. If the end of the file or a .TH section is found then
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return.
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Upon a sucessful return the caller is responsible to free the memory in *HelpText
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@param[in] Handle FileHandle to read from
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@param[in] Sections name of command's sub sections to find
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@param[out] HelpText pointer to pointer to string where text goes.
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@param[out] HelpSize pointer to size of allocated HelpText (may be updated)
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@param[in] Ascii TRUE if the file is ASCII, FALSE otherwise.
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@retval EFI_OUT_OF_RESOURCES a memory allocation failed.
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@retval EFI_SUCCESS the section was found and its description sotred in
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an alloceted buffer.
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**/
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EFI_STATUS
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ManFileFindSections(
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IN SHELL_FILE_HANDLE Handle,
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IN CONST CHAR16 *Sections,
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OUT CHAR16 **HelpText,
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OUT UINTN *HelpSize,
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IN BOOLEAN Ascii
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);
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#endif //_SHELL_MAN_FILE_PARSER_HEADER_
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