/** @file\r
Provides interface to shell functionality for shell commands and applications.\r
\r
-Copyright (c) 2006 - 2009, Intel Corporation<BR>\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
+ Copyright (c) 2006 - 2010, Intel Corporation<BR>\r
+ All rights reserved. This program and the accompanying materials\r
+ are licensed and made available under the terms and conditions of the BSD License\r
+ which accompanies this distribution. The full text of the license may be found at\r
+ http://opensource.org/licenses/bsd-license.php\r
\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#if !defined(__SHELL_LIB__)\r
#define __SHELL_LIB__\r
\r
+#include <Uefi.h>\r
+#include <Guid/FileInfo.h>\r
#include <Protocol/SimpleFileSystem.h>\r
+#include <Protocol/LoadedImage.h>\r
+#include <Protocol/EfiShellInterface.h>\r
+#include <Protocol/EfiShellEnvironment2.h>\r
#include <Protocol/EfiShell.h>\r
+#include <Protocol/EfiShellParameters.h>\r
\r
/**\r
This function will retrieve the information about the file for the handle \r
specified and store it in allocated pool memory.\r
\r
This function allocates a buffer to store the file's information. It is the \r
- caller's responsibility to free the buffer\r
+ caller's responsibility to free the buffer.\r
\r
- @param FileHandle The file handle of the file for which information is \r
- being requested.\r
+ @param[in] FileHandle The file handle of the file for which information is \r
+ being requested.\r
\r
- @retval NULL information could not be retrieved.\r
+ @retval NULL Information could not be retrieved.\r
\r
- @return the information about the file\r
+ @return The information about the file.\r
**/\r
EFI_FILE_INFO*\r
EFIAPI\r
This function will set the information about the file for the opened handle \r
specified.\r
\r
- @param FileHandle The file handle of the file for which information \r
+ @param[in] FileHandle The file handle of the file for which information \r
is being set.\r
\r
- @param FileInfo The infotmation to set.\r
+ @param[in] FileInfo The infotmation to set.\r
\r
@retval EFI_SUCCESS The information was set.\r
@retval EFI_UNSUPPORTED The InformationType is not known.\r
This function opens a file with the open mode according to the file path. The \r
Attributes is valid only for EFI_FILE_MODE_CREATE.\r
\r
- @param FilePath On input the device path to the file. On output \r
- the remaining device path.\r
- @param DeviceHandle pointer to the system device handle.\r
- @param FileHandle pointer to the file handle.\r
- @param OpenMode the mode to open the file with.\r
- @param Attributes the file's file attributes.\r
+ @param[in] FilePath On input the device path to the file. On output \r
+ the remaining device path.\r
+ @param[out] DeviceHandle Pointer to the system device handle.\r
+ @param[out] FileHandle Pointer to the file handle.\r
+ @param[in] OpenMode The mode to open the file with.\r
+ @param[in] Attributes The file's file attributes.\r
\r
@retval EFI_SUCCESS The information was set.\r
@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r
otherwise, the Filehandle is NULL. The Attributes is valid only for \r
EFI_FILE_MODE_CREATE.\r
\r
- @param FileName pointer to file name\r
- @param FileHandle pointer to the file handle.\r
- @param OpenMode the mode to open the file with.\r
- @param Attributes the file's file attributes.\r
+ @param[in] FileName Pointer to file name.\r
+ @param[out] FileHandle Pointer to the file handle.\r
+ @param[in] OpenMode The mode to open the file with.\r
+ @param[in] Attributes The file's file attributes.\r
\r
@retval EFI_SUCCESS The information was set.\r
@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r
);\r
\r
/**\r
- This function create a directory\r
+ This function creates a directory.\r
\r
If return is EFI_SUCCESS, the Filehandle is the opened directory's handle; \r
otherwise, the Filehandle is NULL. If the directory already existed, this \r
function opens the existing directory.\r
\r
- @param DirectoryName Pointer to Directory name.\r
- @param FileHandle Pointer to the file handle.\r
+ @param[in] DirectoryName Pointer to Directory name.\r
+ @param[out] FileHandle Pointer to the file handle.\r
\r
@retval EFI_SUCCESS The information was set.\r
@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r
are no more directory entries, the read returns a zero-length buffer. \r
EFI_FILE_INFO is the structure returned as the directory entry.\r
\r
- @param FileHandle The opened file handle.\r
- @param ReadSize On input the size of buffer in bytes. On return \r
+ @param[in] FileHandle The opened file handle.\r
+ @param[in] ReadSize On input the size of buffer in bytes. On return \r
the number of bytes written.\r
- @param Buffer The buffer to put read data into.\r
+ @param[out] Buffer The buffer to put read data into.\r
\r
@retval EFI_SUCCESS Data was read.\r
@retval EFI_NO_MEDIA The device has no media.\r
The file is automatically grown to hold the data if required. Direct writes to \r
opened directories are not supported.\r
\r
- @param FileHandle The opened file for writing.\r
+ @param[in] FileHandle The opened file for writing.\r
\r
- @param BufferSize On input the number of bytes in Buffer. On output\r
+ @param[in] BufferSize On input the number of bytes in Buffer. On output\r
the number of bytes written.\r
\r
- @param Buffer The buffer containing data to write is stored.\r
+ @param[in] Buffer The buffer containing data to write is stored.\r
\r
@retval EFI_SUCCESS Data was written.\r
@retval EFI_UNSUPPORTED Writes to an open directory are not supported.\r
flushed to the device, and the file is closed. In all cases the handle is \r
closed.\r
\r
- @param FileHandle The file handle to close.\r
+ @param[in] FileHandle The file handle to close.\r
\r
@retval EFI_SUCCESS The file handle was closed sucessfully.\r
@retval INVALID_PARAMETER One of the parameters has an invalid value.\r
If the file cannot be deleted, the warning code EFI_WARN_DELETE_FAILURE is \r
returned, but the handle is still closed.\r
\r
- @param FileHandle The file handle to delete.\r
+ @param[in] FileHandle The file handle to delete.\r
\r
@retval EFI_SUCCESS The file was closed sucessfully.\r
@retval EFI_WARN_DELETE_FAILURE The handle was closed, but the file was not \r
If FileHandle is a directory, the only position that may be set is zero. This \r
has the effect of starting the read process of the directory entries over.\r
\r
- @param FileHandle The file handle on which the position is being set\r
+ @param[in] FileHandle The file handle on which the position is being set.\r
\r
- @param Position Byte position from begining of file\r
+ @param[in] Position Byte position from begining of file.\r
\r
@retval EFI_SUCCESS Operation completed sucessfully.\r
- @retval EFI_UNSUPPORTED the seek request for non-zero is not valid on \r
+ @retval EFI_UNSUPPORTED The seek request for non-zero is not valid on \r
directories.\r
@retval INVALID_PARAMETER One of the parameters has an invalid value.\r
**/\r
system driver and as such the operation is not supported. An error is returned\r
if FileHandle is a directory.\r
\r
- @param FileHandle The open file handle on which to get the position.\r
- @param Position Byte position from begining of file.\r
+ @param[in] FileHandle The open file handle on which to get the position.\r
+ @param[out] Position Byte position from begining of file.\r
\r
- @retval EFI_SUCCESS the operation completed sucessfully.\r
+ @retval EFI_SUCCESS The operation completed sucessfully.\r
@retval INVALID_PARAMETER One of the parameters has an invalid value.\r
- @retval EFI_UNSUPPORTED the request is not valid on directories.\r
+ @retval EFI_UNSUPPORTED The request is not valid on directories.\r
**/\r
EFI_STATUS\r
EFIAPI\r
\r
This function flushes all modified data associated with a file to a device.\r
\r
- @param FileHandle The file handle on which to flush data\r
+ @param[in] FileHandle The file handle on which to flush data.\r
\r
@retval EFI_SUCCESS The data was flushed.\r
@retval EFI_NO_MEDIA The device has no media.\r
\r
Caller must use FreePool on *Buffer opon completion of all file searching.\r
\r
- @param DirHandle The file handle of the directory to search\r
- @param Buffer Pointer to pointer to buffer for file's information\r
+ @param[in] DirHandle The file handle of the directory to search\r
+ @param[out] Buffer Pointer to pointer to buffer for file's information\r
\r
@retval EFI_SUCCESS Found the first file.\r
@retval EFI_NOT_FOUND Cannot find the directory.\r
call of this function has no file to get. *NoFile will be set to TRUE and the \r
data in Buffer is meaningless. \r
\r
- @param DirHandle the file handle of the directory\r
- @param Buffer pointer to buffer for file's information\r
- @param NoFile pointer to boolean when last file is found\r
+ @param[in] DirHandle The file handle of the directory.\r
+ @param[out] Buffer Pointer to buffer for file's information.\r
+ @param[out] NoFile Pointer to boolean when last file is found.\r
\r
@retval EFI_SUCCESS Found the next file.\r
@retval EFI_NO_MEDIA The device has no media.\r
This function extracts the file size info from the FileHandle's EFI_FILE_INFO \r
data.\r
\r
- @param FileHandle The file handle from which size is retrieved.\r
- @param Size Pointer to size.\r
+ @param[in] FileHandle The file handle from which size is retrieved.\r
+ @param[out] Size Pointer to size.\r
\r
@retval EFI_SUCCESS The operation was completed sucessfully.\r
@retval EFI_DEVICE_ERROR Cannot access the file.\r
/**\r
Retrieves the status of the break execution flag\r
\r
- this function is useful to check whether the application is being asked to halt by the shell.\r
+ This function is useful to check whether the application is being asked to halt by the shell.\r
\r
@retval TRUE the execution break is enabled\r
@retval FALSE the execution break is not enabled\r
This function gets the value of the environment variable set by the \r
ShellSetEnvironmentVariable function.\r
\r
- @param EnvKey The key name of the environment variable.\r
+ @param[in] EnvKey The key name of the environment variable.\r
\r
@retval NULL The named environment variable does not exist.\r
@return != NULL pointer to the value of the environment variable.\r
);\r
\r
/**\r
- set the value of an environment variable\r
+ Set the value of an environment variable.\r
\r
This function changes the current value of the specified environment variable. If the\r
environment variable exists and the Value is an empty string, then the environment\r
\r
This is not supported pre-UEFI Shell 2.0.\r
\r
- @param EnvKey The key name of the environment variable.\r
- @param EnvVal The Value of the environment variable\r
- @param Volatile Indicates whether the variable is non-volatile (FALSE) or volatile (TRUE).\r
+ @param[in] EnvKey The key name of the environment variable.\r
+ @param[in] EnvVal The Value of the environment variable\r
+ @param[in] Volatile Indicates whether the variable is non-volatile (FALSE) or volatile (TRUE).\r
\r
@retval EFI_SUCCESS the operation was completed sucessfully\r
@retval EFI_UNSUPPORTED This operation is not allowed in pre UEFI 2.0 Shell environments\r
The CommandLine is executed from the current working directory on the current\r
device.\r
\r
- EnvironmentVariables and Status are only supported for UEFI Shell 2.0.\r
+ EnvironmentVariables and Status are only supported for UEFI Shell 2.0 (or later).\r
Output is only supported for pre-UEFI Shell 2.0\r
\r
- @param ImageHandle Parent image that is starting the operation.\r
- @param CommandLine Pointer to null terminated command line.\r
- @param Output True to display debug output. false to hide it.\r
- @param EnvironmentVariables Optional pointer to array of environment variables\r
- in the form "x=y". If NULL current set is used.\r
- @param Status The status of the run command line.\r
-\r
- @retval EFI_SUCCESS The operation completed sucessfully. Status\r
- contains the status code returned.\r
- @retval EFI_INVALID_PARAMETER A parameter contains an invalid value.\r
- @retval EFI_OUT_OF_RESOURCES Out of resources.\r
- @retval EFI_UNSUPPORTED The operation is not allowed.\r
+ @param[in] ImageHandle Parent image that is starting the operation.\r
+ @param[in] CommandLine Pointer to null terminated command line.\r
+ @param[in] Output True to display debug output. False to hide it.\r
+ @param[in] EnvironmentVariables Optional pointer to array of environment variables\r
+ in the form "x=y". If NULL current set is used.\r
+ @param[out] Status The status of the run command line.\r
+\r
+ @retval EFI_SUCCESS The operation completed sucessfully. Status\r
+ contains the status code returned.\r
+ @retval EFI_INVALID_PARAMETER A parameter contains an invalid value.\r
+ @retval EFI_OUT_OF_RESOURCES Out of resources.\r
+ @retval EFI_UNSUPPORTED The operation is not allowed.\r
**/\r
EFI_STATUS\r
EFIAPI\r
name. If the DeviceName is not NULL, it returns the current directory name \r
on specified drive.\r
\r
- @param DeviceName The name of the file system to get directory on.\r
+ @param[in] DeviceName The name of the file system to get directory on.\r
\r
@retval NULL The directory does not exist.\r
- @return != NULL The directory.\r
+ @retval != NULL The directory.\r
**/\r
CONST CHAR16*\r
EFIAPI\r
When page break mode is enabled the screen will stop scrolling \r
and wait for operator input before scrolling a subsequent screen.\r
\r
- @param CurrentState TRUE to enable and FALSE to disable.\r
+ @param[in] CurrentState TRUE to enable and FALSE to disable.\r
**/\r
VOID \r
EFIAPI\r
If you are NOT appending to an existing list *ListHead must be NULL. If \r
*ListHead is NULL then it must be callee freed.\r
\r
- @param Arg Pointer to path string.\r
- @param OpenMode Mode to open files with.\r
- @param ListHead Head of linked list of results.\r
+ @param[in] Arg Pointer to path string.\r
+ @param[in] OpenMode Mode to open files with.\r
+ @param[in] ListHead Head of linked list of results.\r
\r
@retval EFI_SUCCESS The operation was sucessful and the list head \r
contains the list of opened files.\r
/**\r
Free the linked list returned from ShellOpenFileMetaArg.\r
\r
- @param ListHead The pointer to free.\r
+ @param[in] ListHead The pointer to free.\r
\r
@retval EFI_SUCCESS The operation was sucessful.\r
@retval EFI_INVALID_PARAMETER A parameter was invalid.\r
\r
If the return value is not NULL then the memory must be caller freed.\r
\r
- @param FileName Filename string.\r
+ @param[in] FileName Filename string.\r
\r
@retval NULL The file was not found.\r
- @return !NULL The path to the file.\r
+ @retval !NULL The path to the file.\r
**/\r
CHAR16 *\r
EFIAPI\r
IN CONST CHAR16 *FileName\r
);\r
\r
+/**\r
+ Find a file by searching the CWD and then the path with a variable set of file \r
+ extensions. If the file is not found it will append each extension in the list \r
+ in the order provided and return the first one that is successful.\r
+\r
+ If FileName is NULL, then ASSERT.\r
+ If FileExtension is NULL, then behavior is identical to ShellFindFilePath.\r
+\r
+ If the return value is not NULL then the memory must be caller freed.\r
+\r
+ @param[in] FileName Filename string.\r
+ @param[in] FileExtension Semi-colon delimeted list of possible extensions.\r
+\r
+ @retval NULL The file was not found.\r
+ @retval !NULL The path to the file.\r
+**/\r
+CHAR16 *\r
+EFIAPI\r
+ShellFindFilePathEx (\r
+ IN CONST CHAR16 *FileName,\r
+ IN CONST CHAR16 *FileExtension\r
+ );\r
+\r
typedef enum {\r
- TypeFlag = 0, ///< a flag that is present or not present only (IE "-a").\r
- TypeValue, ///< a flag that has some data following it with a space (IE "-a 1").\r
- TypePosition, ///< some data that did not follow a parameter (IE "filename.txt").\r
- TypeStart, ///< a flag that has variable value appended to the end (IE "-ad", "-afd", "-adf", etc...).\r
- TypeDoubleValue, ///< a flag that has 2 space seperated value data following it (IE "-a 1 2").\r
- TypeMaxValue, ///< a flag followed by all the command line data before the next flag.\r
+ TypeFlag = 0, ///< A flag that is present or not present only (IE "-a").\r
+ TypeValue, ///< A flag that has some data following it with a space (IE "-a 1").\r
+ TypePosition, ///< Some data that did not follow a parameter (IE "filename.txt").\r
+ TypeStart, ///< A flag that has variable value appended to the end (IE "-ad", "-afd", "-adf", etc...).\r
+ TypeDoubleValue, ///< A flag that has 2 space seperated value data following it (IE "-a 1 2").\r
+ TypeMaxValue, ///< A flag followed by all the command line data before the next flag.\r
TypeMax,\r
} ParamType;\r
\r
\r
If no initialization is required, then return RETURN_SUCCESS.\r
\r
- @param CheckList Pointer to list of parameters to check.\r
- @param CheckPackage Package of checked values.\r
- @param ProblemParam Optional pointer to pointer to unicode string for \r
+ @param[in] CheckList Pointer to list of parameters to check.\r
+ @param[out] CheckPackage Package of checked values.\r
+ @param[out] ProblemParam Optional pointer to pointer to unicode string for \r
the paramater that caused failure.\r
- @param AutoPageBreak Will automatically set PageBreakEnabled.\r
+ @param[in] AutoPageBreak Will automatically set PageBreakEnabled.\r
+ @param[in] AlwaysAllowNumbers Will never fail for number based flags.\r
\r
@retval EFI_SUCCESS The operation completed sucessfully.\r
@retval EFI_OUT_OF_RESOURCES A memory allocation failed.\r
@retval EFI_INVALID_PARAMETER A parameter was invalid.\r
- @retval EFI_VOLUME_CORRUPTED The command line was corrupt. an argument was \r
+ @retval EFI_VOLUME_CORRUPTED The command line was corrupt. An argument was \r
duplicated. The duplicated command line argument \r
was returned in ProblemParam if provided.\r
@retval EFI_DEVICE_ERROR The commands contained 2 opposing arguments. One\r
IN BOOLEAN AlwaysAllowNumbers\r
);\r
\r
-/// make it easy to upgrade from older versions of the shell library.\r
+/// Make it easy to upgrade from older versions of the shell library.\r
#define ShellCommandLineParse(CheckList,CheckPackage,ProblemParam,AutoPageBreak) ShellCommandLineParseEx(CheckList,CheckPackage,ProblemParam,AutoPageBreak,FALSE)\r
\r
/**\r
\r
If CheckPackage is NULL, then return.\r
\r
- @param CheckPackage The list to de-allocate.\r
+ @param[in] CheckPackage The list to de-allocate.\r
**/\r
VOID\r
EFIAPI\r
/**\r
Checks for presence of a flag parameter.\r
\r
- flag arguments are in the form of "-<Key>" or "/<Key>", but do not have a value following the key\r
+ Flag arguments are in the form of "-<Key>" or "/<Key>", but do not have a value following the key.\r
\r
- if CheckPackage is NULL then return FALSE.\r
- if KeyString is NULL then ASSERT().\r
+ If CheckPackage is NULL then return FALSE.\r
+ If KeyString is NULL then ASSERT().\r
\r
- @param CheckPackage The package of parsed command line arguments.\r
- @param KeyString The Key of the command line argument to check for.\r
+ @param[in] CheckPackage The package of parsed command line arguments.\r
+ @param[in] KeyString The Key of the command line argument to check for.\r
\r
@retval TRUE The flag is on the command line.\r
@retval FALSE The flag is not on the command line.\r
/**\r
Returns value from command line argument.\r
\r
- Value parameters are in the form of "-<Key> value" or "/<Key> value"\r
+ Value parameters are in the form of "-<Key> value" or "/<Key> value".\r
\r
If CheckPackage is NULL, then return NULL.\r
\r
\r
This will not include flags.\r
\r
- @retval (UINTN)-1 No parsing has ocurred\r
- @return The number of value parameters found\r
+ @retval (UINTN)-1 No parsing has ocurred.\r
+ @return The number of value parameters found.\r
**/\r
UINTN\r
EFIAPI\r
\r
Note: The background color is controlled by the shell command cls.\r
\r
- @param[in] Row the row to print at\r
- @param[in] Col the column to print at\r
- @param[in] Format the format string\r
+ @param[in] Row The row to print at.\r
+ @param[in] Col The column to print at.\r
+ @param[in] Format The format string.\r
\r
- @return the number of characters printed to the screen\r
+ @return The number of characters printed to the screen.\r
**/\r
\r
UINTN\r
\r
In addition to the standard %-based flags as supported by UefiLib Print() this supports \r
the following additional flags:\r
- %N - Set output attribute to normal\r
- %H - Set output attribute to highlight\r
- %E - Set output attribute to error\r
- %B - Set output attribute to blue color\r
- %V - Set output attribute to green color\r
+ %N - Set output attribute to normal.\r
+ %H - Set output attribute to highlight.\r
+ %E - Set output attribute to error.\r
+ %B - Set output attribute to blue color.\r
+ %V - Set output attribute to green color.\r
\r
Note: The background color is controlled by the shell command cls.\r
\r
- @param[in] Row the row to print at\r
- @param[in] Col the column to print at\r
- @param[in] HiiFormatStringId the format string Id for getting from Hii\r
- @param[in] HiiFormatHandle the format string Handle for getting from Hii\r
+ @param[in] Row The row to print at.\r
+ @param[in] Col The column to print at.\r
+ @param[in] HiiFormatStringId The format string Id for getting from Hii.\r
+ @param[in] HiiFormatHandle The format string Handle for getting from Hii.\r
\r
- @return the number of characters printed to the screen\r
+ @return the number of characters printed to the screen.\r
**/\r
UINTN\r
EFIAPI\r
/**\r
Function to determine if a given filename represents a directory.\r
\r
+ If DirName is NULL, then ASSERT.\r
+\r
@param[in] DirName Path to directory to test.\r
\r
@retval EFI_SUCCESS The Path represents a directory.\r
/**\r
Function to determine if a given filename represents a file.\r
\r
+ This will search the CWD only.\r
+\r
+ If Name is NULL, then ASSERT.\r
+\r
@param[in] Name Path to file to test.\r
\r
@retval EFI_SUCCESS The Path represents a file.\r
IN CONST CHAR16 *Name\r
);\r
\r
+/**\r
+ Function to determine if a given filename represents a file.\r
+\r
+ This will search the CWD and then the Path.\r
+\r
+ If Name is NULL, then ASSERT.\r
+\r
+ @param[in] Name Path to file to test.\r
+\r
+ @retval EFI_SUCCESS The Path represents a file.\r
+ @retval EFI_NOT_FOUND The Path does not represent a file.\r
+ @retval other The path failed to open.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+ShellIsFileInPath(\r
+ IN CONST CHAR16 *Name\r
+ );\r
+\r
/**\r
Function to determine whether a string is decimal or hex representation of a number \r
and return the number converted from the string.\r
If Source is NULL, there is nothing to append, just return the current buffer in \r
Destination.\r
\r
- if Destination is NULL, then ASSERT().\r
- if Destination's current length (including NULL terminator) is already more then \r
+ If Destination is NULL, then ASSERT().\r
+ If Destination's current length (including NULL terminator) is already more than \r
CurrentSize, then ASSERT().\r
\r
@param[in,out] Destination The String to append onto.\r
@param[in,out] CurrentSize On call the number of bytes in Destination. On \r
- return possibly the new size (still in bytes). if NULL\r
+ return possibly the new size (still in bytes). If NULL\r
then allocate whatever is needed.\r
@param[in] Source The String to append from.\r
@param[in] Count Maximum number of characters to append. If 0 then \r
all are appended.\r
\r
- @return the Destination after apending the Source.\r
+ @return The Destination after apending the Source.\r
**/\r
CHAR16* \r
EFIAPI\r
IN UINTN Count\r
);\r
\r
+/**\r
+ This is a find and replace function. Upon successful return the NewString is a copy of \r
+ SourceString with each instance of FindTarget replaced with ReplaceWith.\r
+\r
+ If SourceString and NewString overlap the behavior is undefined.\r
+\r
+ If the string would grow bigger than NewSize it will halt and return error.\r
+\r
+ @param[in] SourceString String with source buffer.\r
+ @param[in,out] NewString String with resultant buffer.\r
+ @param[in] NewSize Size in bytes of NewString.\r
+ @param[in] FindTarget String to look for.\r
+ @param[in] ReplaceWith String to replace FindTarget with.\r
+ @param[in] SkipPreCarrot If TRUE will skip a FindTarget that has a '^'\r
+ immediately before it.\r
+\r
+ @retval EFI_INVALID_PARAMETER SourceString was NULL.\r
+ @retval EFI_INVALID_PARAMETER NewString was NULL.\r
+ @retval EFI_INVALID_PARAMETER FindTarget was NULL.\r
+ @retval EFI_INVALID_PARAMETER ReplaceWith was NULL.\r
+ @retval EFI_INVALID_PARAMETER FindTarget had length < 1.\r
+ @retval EFI_INVALID_PARAMETER SourceString had length < 1.\r
+ @retval EFI_BUFFER_TOO_SMALL NewSize was less than the minimum size to hold \r
+ the new string (truncation occurred).\r
+ @retval EFI_SUCCESS The string was sucessfully copied with replacement.\r
+**/\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+ShellCopySearchAndReplace2(\r
+ IN CHAR16 CONST *SourceString,\r
+ IN CHAR16 *NewString,\r
+ IN UINTN NewSize,\r
+ IN CONST CHAR16 *FindTarget,\r
+ IN CONST CHAR16 *ReplaceWith,\r
+ IN CONST BOOLEAN SkipPreCarrot\r
+ );\r
+\r
+///\r
+/// make upgrades easier from old version\r
+///\r
+#define ShellLibCopySearchAndReplace(a,b,c,d,e) ShellCopySearchAndReplace2(a,b,c,d,e,FALSE)\r
+\r
+/**\r
+ Check if a Unicode character is a hexadecimal character.\r
+\r
+ This internal function checks if a Unicode character is a \r
+ decimal character. The valid hexadecimal character is \r
+ L'0' to L'9', L'a' to L'f', or L'A' to L'F'.\r
+\r
+ @param[in] Char The character to check.\r
+\r
+ @retval TRUE The Char is a hexadecmial character.\r
+ @retval FALSE The Char is not a hexadecmial character.\r
+\r
+**/\r
+BOOLEAN\r
+EFIAPI\r
+ShellIsHexaDecimalDigitCharacter (\r
+ IN CHAR16 Char\r
+ );\r
+\r
#endif // __SHELL_LIB__\r
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