udk2010.up2.shell initial release.

[mirror_edk2.git] / ShellPkg / Library / UefiShellLevel3CommandsLib / Type.c

/** @file\r
  Main file for Type shell level 3 function.\r
\r
  Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved. <BR>\r
  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
\r
**/\r
\r
#include "UefiShellLevel3CommandsLib.h"\r
\r
#include <Library/ShellLib.h>\r
\r
EFI_STATUS\r
EFIAPI\r
TypeFileByHandle (\r
  IN EFI_HANDLE Handle,\r
  BOOLEAN Ascii,\r
  BOOLEAN UCS2\r
  )\r
{\r
  UINTN       ReadSize;\r
  VOID        *Buffer;\r
  EFI_STATUS  Status;\r
  UINTN       LoopVar;\r
  CHAR16      AsciiChar;\r
\r
  ReadSize = PcdGet16(PcdShellFileOperationSize);\r
  Buffer = AllocatePool(ReadSize);\r
  if (Buffer == NULL) {\r
    return (EFI_OUT_OF_RESOURCES);\r
  }\r
\r
  Status = ShellSetFilePosition(Handle, 0);\r
  ASSERT_EFI_ERROR(Status);\r
\r
  while (ReadSize == ((UINTN)PcdGet16(PcdShellFileOperationSize))){\r
    ZeroMem(Buffer, ReadSize);\r
    Status = ShellReadFile(Handle, &ReadSize, Buffer);\r
    if (EFI_ERROR(Status)){\r
      break;\r
    }\r
\r
    if (!(Ascii|UCS2)){\r
      if (*(UINT16*)Buffer == UnicodeFileTag) {\r
        UCS2 = TRUE;\r
        Buffer = ((UINT16*)Buffer) + 1;\r
      } else {\r
        Ascii = TRUE;\r
      }\r
    }\r
\r
    //\r
    // We want to use plain Print function here! (no color support for files)\r
    //\r
    if (Ascii){\r
      for (LoopVar = 0 ; LoopVar < ReadSize ; LoopVar++) {\r
      AsciiChar = CHAR_NULL;\r
      AsciiChar = ((CHAR8*)Buffer)[LoopVar];\r
      if (AsciiChar == CHAR_NULL) {\r
        AsciiChar = '.';\r
      }\r
      Print(L"%c", AsciiChar);\r
      }\r
    } else {\r
      Print(L"%s", Buffer);\r
    }\r
  }\r
  Status = Print(L"\r\n", Buffer);\r
  return (Status);\r
}\r
\r
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r
  {L"-a", TypeFlag},\r
  {L"-u", TypeFlag},\r
  {NULL, TypeMax}\r
  };\r
\r
/**\r
  Function for 'type' command.\r
\r
  @param[in] ImageHandle  Handle to the Image (NULL if Internal).\r
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).\r
**/\r
SHELL_STATUS\r
EFIAPI\r
ShellCommandRunType (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS          Status;\r
  LIST_ENTRY          *Package;\r
  CHAR16              *ProblemParam;\r
  CONST CHAR16        *Param;\r
  SHELL_STATUS        ShellStatus;\r
  UINTN               ParamCount;\r
  EFI_SHELL_FILE_INFO *FileList;\r
  EFI_SHELL_FILE_INFO *Node;\r
  BOOLEAN             AsciiMode;\r
  BOOLEAN             UnicodeMode;\r
\r
  ProblemParam        = NULL;\r
  ShellStatus         = SHELL_SUCCESS;\r
  ParamCount          = 0;\r
  FileList            = NULL;\r
\r
  //\r
  // initialize the shell lib (we must be in non-auto-init...)\r
  //\r
  Status = ShellInitialize();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  Status = CommandInit();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  //\r
  // parse the command line\r
  //\r
  Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r
  if (EFI_ERROR(Status)) {\r
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, ProblemParam);\r
      FreePool(ProblemParam);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      ASSERT(FALSE);\r
    }\r
  } else {\r
    //\r
    // check for "-?"\r
    //\r
    if (ShellCommandLineGetFlag(Package, L"-?")) {\r
      ASSERT(FALSE);\r
    }\r
    AsciiMode   = ShellCommandLineGetFlag(Package, L"-a");\r
    UnicodeMode = ShellCommandLineGetFlag(Package, L"-u");\r
\r
    if (AsciiMode && UnicodeMode) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"-a & -u");\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
   } else if (ShellCommandLineGetRawValue(Package, 1) == NULL) {\r
      //\r
      // we insufficient parameters\r
      //\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellLevel3HiiHandle);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      //\r
      // get a list with each file specified by parameters\r
      // if parameter is a directory then add all the files below it to the list\r
      //\r
      for ( ParamCount = 1, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r
          ; Param != NULL\r
          ; ParamCount++, Param = ShellCommandLineGetRawValue(Package, ParamCount)\r
         ){\r
        Status = ShellOpenFileMetaArg((CHAR16*)Param, EFI_FILE_MODE_READ, &FileList);\r
        if (EFI_ERROR(Status)) {\r
          ShellStatus = SHELL_NOT_FOUND;\r
          break;\r
        }\r
        //\r
        // make sure we completed the param parsing sucessfully...\r
        // Also make sure that any previous action was sucessful\r
        //\r
        if (ShellStatus == SHELL_SUCCESS) {\r
          //\r
          // check that we have at least 1 file\r
          //\r
          if (FileList == NULL || IsListEmpty(&FileList->Link)) {\r
            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel3HiiHandle, Param);\r
            continue;\r
          } else {\r
            //\r
            // loop through the list and make sure we are not aborting...\r
            //\r
            for ( Node = (EFI_SHELL_FILE_INFO*)GetFirstNode(&FileList->Link)\r
                ; !IsNull(&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag()\r
                ; Node = (EFI_SHELL_FILE_INFO*)GetNextNode(&FileList->Link, &Node->Link)\r
               ){\r
              //\r
              // make sure the file opened ok\r
              //\r
              if (EFI_ERROR(Node->Status)){\r
                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NO_OPEN), gShellLevel3HiiHandle, Node->FileName, Node->Status);\r
                ShellStatus = SHELL_NOT_FOUND;\r
                continue;\r
              }\r
\r
              //\r
              // make sure its not a directory\r
              //\r
              if (FileHandleIsDirectory(Node->Handle) == EFI_SUCCESS) {\r
                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_IS_DIR), gShellLevel3HiiHandle, Node->FileName);\r
                ShellStatus = SHELL_NOT_FOUND;\r
                continue;\r
              }\r
\r
              //\r
              // do it\r
              //\r
              Status = TypeFileByHandle(Node->Handle, AsciiMode, UnicodeMode);\r
              if (EFI_ERROR(Status)) {\r
                ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_TYP_ERROR), gShellLevel3HiiHandle, Node->FileName, Status);\r
                ShellStatus = SHELL_INVALID_PARAMETER;\r
              }\r
              ASSERT(ShellStatus == SHELL_SUCCESS);\r
            }\r
          }\r
        }\r
        //\r
        // Free the fileList\r
        //\r
        if (FileList != NULL && !IsListEmpty(&FileList->Link)) {\r
          Status = ShellCloseFileMetaArg(&FileList);\r
        }\r
        ASSERT_EFI_ERROR(Status);\r
        FileList = NULL;\r
      }\r
    }\r
\r
    //\r
    // free the command line package\r
    //\r
    ShellCommandLineFreeVarList (Package);\r
  }\r
\r
  if (ShellGetExecutionBreakFlag()) {\r
    return (SHELL_ABORTED);\r
  }\r
\r
  return (ShellStatus);\r
}\r
\r