Copy ShellPkg r14707 to UDK2010.SR1 Branch.

git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1@14724 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 248 insertions, 0 deletions

diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c
new file mode 100644
index 0000000000..c0d3c920f4
--- /dev/null
+++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Cd.c
@@ -0,0 +1,248 @@
+/** @file

+  Main file for attrib shell level 2 function.

+

+  Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>

+  This program and the accompanying materials

+  are licensed and made available under the terms and conditions of the BSD License

+  which accompanies this distribution.  The full text of the license may be found at

+  http://opensource.org/licenses/bsd-license.php

+

+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

+  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

+

+**/

+

+#include "UefiShellLevel2CommandsLib.h"

+

+/**

+  Function for 'cd' command.

+

+  @param[in] ImageHandle  Handle to the Image (NULL if Internal).

+  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).

+**/

+SHELL_STATUS

+EFIAPI

+ShellCommandRunCd (

+  IN EFI_HANDLE        ImageHandle,

+  IN EFI_SYSTEM_TABLE  *SystemTable

+  )

+{

+  EFI_STATUS        Status;

+  LIST_ENTRY        *Package;

+  CONST CHAR16      *Directory;

+  CHAR16            *Path;

+  CHAR16            *Drive;

+  UINTN             DriveSize;

+  CHAR16            *ProblemParam;

+  SHELL_STATUS      ShellStatus;

+  SHELL_FILE_HANDLE Handle;

+  CONST CHAR16      *Param1;

+  CHAR16            *Param1Copy;

+

+  ProblemParam = NULL;

+  ShellStatus = SHELL_SUCCESS;

+  Drive = NULL;

+  DriveSize = 0;

+

+  Status = CommandInit();

+  ASSERT_EFI_ERROR(Status);

+

+  //

+  // initialize the shell lib (we must be in non-auto-init...)

+  //

+  Status = ShellInitialize();

+  ASSERT_EFI_ERROR(Status);

+

+  //

+  // parse the command line

+  //

+  Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);

+  if (EFI_ERROR(Status)) {

+    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {

+      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, ProblemParam);

+      FreePool(ProblemParam);

+      ShellStatus = SHELL_INVALID_PARAMETER;

+    } else {

+      ASSERT(FALSE);

+    }

+  }

+

+  //

+  // check for "-?"

+  //

+  if (ShellCommandLineGetFlag(Package, L"-?")) {

+    ASSERT(FALSE);

+  } else if (ShellCommandLineGetRawValue(Package, 2) != NULL) {

+    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle);

+    ShellStatus = SHELL_INVALID_PARAMETER;

+  } else {

+    //

+    // remember that param 0 is the command name

+    // If there are 0 value parameters, then print the current directory

+    // else If there are 2 value parameters, then print the error message

+    // else If there is  1 value paramerer , then change the directory

+    //

+    Param1 = ShellCommandLineGetRawValue(Package, 1);

+    if (Param1 == NULL) {

+      //

+      // display the current directory

+      //

+      Directory = ShellGetCurrentDir(NULL);

+      if (Directory != NULL) {

+        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_PRINT), gShellLevel2HiiHandle, Directory);

+      } else {

+        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle);

+        ShellStatus = SHELL_NOT_FOUND;

+      }

+    } else {

+      Param1Copy = CatSPrint(NULL, L"%s", Param1, NULL);

+      if (Param1Copy != NULL) {

+        Param1Copy = PathCleanUpDirectories(Param1Copy);

+      }

+      if (Param1Copy != NULL) {

+        if (StrCmp(Param1Copy, L".") == 0) {

+          //

+          // nothing to do... change to current directory

+          //

+        } else if (StrCmp(Param1Copy, L"..") == 0) {

+          //

+          // Change up one directory...

+          //

+          Directory = ShellGetCurrentDir(NULL);

+          if (Directory == NULL) {

+            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle);

+            ShellStatus = SHELL_NOT_FOUND;

+          } else {

+            Drive = GetFullyQualifiedPath(Directory);

+            PathRemoveLastItem(Drive);

+          }

+          if (ShellStatus == SHELL_SUCCESS && Drive != NULL) {

+            //

+            // change directory on current drive letter

+            //

+            Status = gEfiShellProtocol->SetCurDir(NULL, Drive);

+            if (Status == EFI_NOT_FOUND) {

+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle);

+              ShellStatus = SHELL_NOT_FOUND;

+            }

+          }

+        } else if (StrCmp(Param1Copy, L"\\") == 0) {

+          //

+          // Move to root of current drive

+          //

+          Directory = ShellGetCurrentDir(NULL);

+          if (Directory == NULL) {

+            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle);

+            ShellStatus = SHELL_NOT_FOUND;

+          } else {

+            Drive = GetFullyQualifiedPath(Directory);

+            while (PathRemoveLastItem(Drive)) ;

+          }

+          if (ShellStatus == SHELL_SUCCESS && Drive != NULL) {

+            //

+            // change directory on current drive letter

+            //

+            Status = gEfiShellProtocol->SetCurDir(NULL, Drive);

+            if (Status == EFI_NOT_FOUND) {

+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle);

+              ShellStatus = SHELL_NOT_FOUND;

+            }

+          }

+        } else if (StrStr(Param1Copy, L":") == NULL) {

+          //

+          // change directory without a drive identifier

+          //

+          if (ShellGetCurrentDir(NULL) == NULL) {

+            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle);

+            ShellStatus = SHELL_NOT_FOUND;

+          } else {

+            ASSERT((Drive == NULL && DriveSize == 0) || (Drive != NULL));

+            Drive = StrnCatGrow(&Drive, &DriveSize, ShellGetCurrentDir(NULL), 0);

+            if (*Param1Copy == L'\\') {

+              while (PathRemoveLastItem(Drive)) ;

+              Drive = StrnCatGrow(&Drive, &DriveSize, Param1Copy+1, 0);

+            } else {

+              Drive = StrnCatGrow(&Drive, &DriveSize, Param1Copy, 0);

+            }

+            //

+            // Verify that this is a valid directory

+            //

+            Status = gEfiShellProtocol->OpenFileByName(Drive, &Handle, EFI_FILE_MODE_READ);

+            if (EFI_ERROR(Status)) {

+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, Drive);

+              ShellStatus = SHELL_NOT_FOUND;

+            } else if (EFI_ERROR(FileHandleIsDirectory(Handle))) {

+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, Drive);

+              ShellStatus = SHELL_NOT_FOUND;

+            }

+            if (ShellStatus == SHELL_SUCCESS && Drive != NULL) {

+              //

+              // change directory on current drive letter

+              //

+              Status = gEfiShellProtocol->SetCurDir(NULL, Drive);

+              if (Status == EFI_NOT_FOUND) {

+                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle);

+                ShellStatus = SHELL_NOT_FOUND;

+              }

+            }

+            if (Handle != NULL) {

+              gEfiShellProtocol->CloseFile(Handle);

+              DEBUG_CODE(Handle = NULL;);

+            }

+          }

+        } else {

+          //

+          // change directory with a drive letter

+          //

+          Drive = AllocateZeroPool(StrSize(Param1Copy));

+          if (Drive == NULL) {

+            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_MEM), gShellLevel2HiiHandle);

+            ShellStatus = SHELL_OUT_OF_RESOURCES;

+          } else {

+            Drive = StrCpy(Drive, Param1Copy);

+            Path = StrStr(Drive, L":");

+            ASSERT(Path != NULL);

+            if (EFI_ERROR(ShellIsDirectory(Param1Copy))) {

+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NOT_DIR), gShellLevel2HiiHandle, Param1Copy);

+              ShellStatus = SHELL_NOT_FOUND;

+            } else if (*(Path+1) == CHAR_NULL) {

+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle);

+              ShellStatus = SHELL_NOT_FOUND;

+            } else {

+              *(Path+1) = CHAR_NULL;

+              if (Path == Drive + StrLen(Drive)) {

+                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle);

+                ShellStatus = SHELL_NOT_FOUND;

+              } else {

+                Status = gEfiShellProtocol->SetCurDir(Drive, Path+2);

+                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_PRINT), gShellLevel2HiiHandle, ShellGetCurrentDir(Drive));

+              }

+            }

+            if (Status == EFI_NOT_FOUND) {

+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CD_NF), gShellLevel2HiiHandle);

+              Status = SHELL_NOT_FOUND;

+            } else if (EFI_ERROR(Status)) {

+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, Param1Copy);

+              Status = SHELL_NOT_FOUND;

+            }

+          }

+        }

+      }

+      FreePool(Param1Copy);

+    }

+  }

+

+  if (Drive != NULL) {

+    FreePool(Drive);

+  }

+  //

+  // free the command line package

+  //

+  ShellCommandLineFreeVarList (Package);

+

+  //

+  // return the status

+  //

+  return (ShellStatus);

+}

+