add Edit and Hexedit shared features.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11437 6f19259b-4bc3-4df7-8a09-765794883524
2011-03-25 21:15:26 +00:00
parent 632820d1cf
commit 2442e62af7
8 changed files with 1265 additions and 0 deletions
--- a/ShellPkg/Library/UefiShellDebug1CommandsLib/EditTitleBar.c
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/EditTitleBar.c
@ -0,0 +1,200 @@
+/** @file
+  Implements titlebar interface functions.
+
+  Copyright (c) 2005 - 2011, 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 "EditTitleBar.h"
+#include "UefiShellDebug1CommandsLib.h"
+
+CHAR16  *Title = NULL;
+
+/**
+  Initialize a title bar.
+
+  @param[in] Prompt             The prompt to print in the title bar.
+
+  @retval EFI_SUCCESS           The initialization was successful.
+  @retval EFI_OUT_OF_RESOURCES  A memory allocation failed.
+**/
+EFI_STATUS
+EFIAPI
+MainTitleBarInit (
+  CONST CHAR16 *Prompt
+  )
+{
+  SHELL_FREE_NON_NULL (Title);
+  if (Prompt == NULL) {
+    Title = CatSPrint (NULL, L"");
+  } else {
+    //
+    // set Title
+    //
+    Title = CatSPrint (NULL, L"%s", Prompt);
+  }
+  if (Title == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
+
+  return EFI_SUCCESS;
+}
+
+/**
+  Clean up the memory used.
+**/
+VOID
+EFIAPI
+MainTitleBarCleanup (
+  VOID
+  )
+{
+  SHELL_FREE_NON_NULL (Title);
+  Title = NULL;
+}
+
+typedef struct {
+  UINT32  Foreground : 4;
+  UINT32  Background : 4;
+} TITLE_BAR_COLOR_ATTRIBUTES;
+
+typedef union {
+  TITLE_BAR_COLOR_ATTRIBUTES  Colors;
+  UINTN                       Data;
+} TITLE_BAR_COLOR_UNION;
+
+/**
+  Refresh function for MainTitleBar
+
+  @param[in] FileName           The open file's name (or NULL).
+  @param[in] FileType           The type fo the file.
+  @param[in] ReadOnly           TRUE if the file is read only.  FALSE otherwise.
+  @param[in] Modified           TRUE if the file was modified.  FALSE otherwise.
+  @param[in] LastCol            The last printable column.
+  @param[in] LastRow            The last printable row.
+
+  @retval EFI_SUCCESS           The operation was successful.
+**/
+EFI_STATUS
+EFIAPI
+MainTitleBarRefresh (
+  IN CONST CHAR16                 *FileName OPTIONAL,
+  IN CONST EDIT_FILE_TYPE         FileType,
+  IN BOOLEAN                      ReadOnly,
+  IN BOOLEAN                      Modified,
+  IN UINTN                        LastCol,
+  IN UINTN                        LastRow
+  )
+{
+  TITLE_BAR_COLOR_UNION   Orig;
+  TITLE_BAR_COLOR_UNION   New;
+  CONST CHAR16            *FileNameTmp;
+  INTN                    TempInteger;
+
+
+  //
+  // backup the old screen attributes
+  //
+  Orig.Data             = gST->ConOut->Mode->Attribute;
+  New.Colors.Foreground = Orig.Colors.Background;
+  New.Colors.Background = Orig.Colors.Foreground;
+
+  gST->ConOut->SetAttribute (gST->ConOut, New.Data);
+
+  //
+  // clear the title line
+  //
+  EditorClearLine (1, LastCol, LastRow);
+
+  if (Title != NULL) {
+    //
+    // print the new title bar prefix
+    //
+    ShellPrintEx (
+      0,
+      0,
+      L"%s ",
+      Title
+      );
+  }
+  if (FileName == NULL) {
+    gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);
+    return EFI_SUCCESS;
+  }
+  //
+  // First Extract the FileName from fullpath
+  //
+  FileNameTmp = FileName;
+  for (TempInteger = StrLen (FileNameTmp) - 1; TempInteger >= 0; TempInteger--) {
+    if (FileNameTmp[TempInteger] == L'\\') {
+      break;
+    }
+  }
+
+  FileNameTmp = FileNameTmp + TempInteger + 1;
+
+  //
+  // the space for file name is 20 characters
+  //
+  if (StrLen (FileNameTmp) <= 20) {
+    ShellPrintEx (-1,-1, L"%s   ", FileNameTmp);
+    for (TempInteger = StrLen (FileNameTmp); TempInteger < 20; TempInteger++) {
+      ShellPrintEx (-1,-1, L" ");
+    }
+
+  } else {
+    for (TempInteger = 0; TempInteger < 17; TempInteger++) {
+      ShellPrintEx (-1,-1, L"%c", FileNameTmp[TempInteger]);
+    }
+    //
+    // print "..."
+    //
+    ShellPrintEx (-1,-1, L"...   ");
+  }
+  //
+  // print file type field
+  //
+  switch (FileType){
+    case FileTypeAscii:
+    case FileTypeUnicode:
+      if (FileType == FileTypeAscii){
+        ShellPrintEx (-1,-1, L"     UNICODE   ");
+      }
+      //
+      // print read-only field for text files
+      //
+      if (ReadOnly) {
+        ShellPrintEx (-1,-1, L"ReadOnly   ");
+      } else {
+        ShellPrintEx (-1,-1, L"           ");
+      }
+    break;
+    case FileTypeDiskBuffer:
+    case FileTypeMemBuffer:
+      //
+      // Print the offset.
+      //
+      ASSERT(FALSE);
+    case FileTypeFileBuffer:
+      break;
+  }
+  //
+  // print modified field
+  //
+  if (Modified) {
+    ShellPrintEx (-1,-1, L"Modified");
+  }
+  //
+  // restore the old attribute
+  //
+  gST->ConOut->SetAttribute (gST->ConOut, Orig.Data);
+
+  return EFI_SUCCESS;
+}