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125 lines
5.7 KiB
C
125 lines
5.7 KiB
C
/** @file
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EFI_REGULAR_EXPRESSION_PROTOCOL Header File.
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(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __REGULAR_EXPRESSIONDXE_H__
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#define __REGULAR_EXPRESSIONDXE_H__
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#include "Oniguruma/oniguruma.h"
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#include <Uefi.h>
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#include <Protocol/RegularExpressionProtocol.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DebugLib.h>
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#include <Library/BaseLib.h>
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/**
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Checks if the input string matches to the regular expression pattern.
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@param This A pointer to the EFI_REGULAR_EXPRESSION_PROTOCOL instance.
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Type EFI_REGULAR_EXPRESSION_PROTOCOL is defined in Section
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XYZ.
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@param String A pointer to a NULL terminated string to match against the
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regular expression string specified by Pattern.
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@param Pattern A pointer to a NULL terminated string that represents the
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regular expression.
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@param SyntaxType A pointer to the EFI_REGEX_SYNTAX_TYPE that identifies the
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regular expression syntax type to use. May be NULL in which
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case the function will use its default regular expression
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syntax type.
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@param Result On return, points to TRUE if String fully matches against
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the regular expression Pattern using the regular expression
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SyntaxType. Otherwise, points to FALSE.
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@param Captures A Pointer to an array of EFI_REGEX_CAPTURE objects to receive
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the captured groups in the event of a match. The full
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sub-string match is put in Captures[0], and the results of N
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capturing groups are put in Captures[1:N]. If Captures is
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NULL, then this function doesn't allocate the memory for the
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array and does not build up the elements. It only returns the
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number of matching patterns in CapturesCount. If Captures is
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not NULL, this function returns a pointer to an array and
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builds up the elements in the array. CapturesCount is also
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updated to the number of matching patterns found. It is the
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caller's responsibility to free the memory pool in Captures
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and in each CapturePtr in the array elements.
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@param CapturesCount On output, CapturesCount is the number of matching patterns
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found in String. Zero means no matching patterns were found
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in the string.
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@retval EFI_SUCCESS The regular expression string matching
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completed successfully.
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@retval EFI_UNSUPPORTED The regular expression syntax specified by
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SyntaxType is not supported by this driver.
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@retval EFI_DEVICE_ERROR The regular expression string matching
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failed due to a hardware or firmware error.
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@retval EFI_INVALID_PARAMETER String, Pattern, Result, or CapturesCountis
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NULL.
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**/
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EFI_STATUS
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EFIAPI
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RegularExpressionMatch (
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IN EFI_REGULAR_EXPRESSION_PROTOCOL *This,
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IN CHAR16 *String,
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IN CHAR16 *Pattern,
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IN EFI_REGEX_SYNTAX_TYPE *SyntaxType, OPTIONAL
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OUT BOOLEAN *Result,
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OUT EFI_REGEX_CAPTURE **Captures, OPTIONAL
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OUT UINTN *CapturesCount
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);
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/**
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Returns information about the regular expression syntax types supported
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by the implementation.
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@param This A pointer to the EFI_REGULAR_EXPRESSION_PROTOCOL
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instance.
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@param RegExSyntaxTypeListSize On input, the size in bytes of RegExSyntaxTypeList.
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On output with a return code of EFI_SUCCESS, the
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size in bytes of the data returned in
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RegExSyntaxTypeList. On output with a return code
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of EFI_BUFFER_TOO_SMALL, the size of
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RegExSyntaxTypeList required to obtain the list.
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@param RegExSyntaxTypeList A caller-allocated memory buffer filled by the
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driver with one EFI_REGEX_SYNTAX_TYPE element
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for each supported Regular expression syntax
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type. The list must not change across multiple
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calls to the same driver. The first syntax
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type in the list is the default type for the
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driver.
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@retval EFI_SUCCESS The regular expression syntax types list
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was returned successfully.
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@retval EFI_UNSUPPORTED The service is not supported by this driver.
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@retval EFI_DEVICE_ERROR The list of syntax types could not be
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retrieved due to a hardware or firmware error.
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@retval EFI_BUFFER_TOO_SMALL The buffer RegExSyntaxTypeList is too small
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to hold the result.
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@retval EFI_INVALID_PARAMETER RegExSyntaxTypeListSize is NULL
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**/
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EFI_STATUS
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EFIAPI
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RegularExpressionGetInfo (
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IN EFI_REGULAR_EXPRESSION_PROTOCOL *This,
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IN OUT UINTN *RegExSyntaxTypeListSize,
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OUT EFI_REGEX_SYNTAX_TYPE *RegExSyntaxTypeList
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);
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#endif
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