fix for word wrapping.

fix for SimpleTextInEx callbacks.
remove an ASSERT.
fix for -noconsolein parameter.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11544 6f19259b-4bc3-4df7-8a09-765794883524

ShellPkg/Application/Shell/ConsoleLogger.c

@@ -729,7 +729,7 @@ ConsoleLoggerPrintWithPageBreak(
       //
       // check if that is the last column
       //
-      if ((INTN)ConsoleInfo->ColsPerScreen == ConsoleInfo->OurConOut.Mode->CursorColumn - 1) {
+      if ((INTN)ConsoleInfo->ColsPerScreen == ConsoleInfo->OurConOut.Mode->CursorColumn + 1) {
         //
         // output a line similar to the linefeed character.
         //
@@ -753,7 +753,7 @@ ConsoleLoggerPrintWithPageBreak(
         //
         // Update LineStart Variable
         //
-        LineStart = Walker;
+        LineStart = Walker + 1;
 
         //
         // increment row count and zero the column
@@ -810,12 +810,22 @@ ConsoleLoggerOutputString (
   IN  CHAR16                          *WString
   )
 {
+  EFI_INPUT_KEY               Key;
+  UINTN                       EventIndex;
   CONSOLE_LOGGER_PRIVATE_DATA *ConsoleInfo;
   ConsoleInfo = CONSOLE_LOGGER_PRIVATE_DATA_FROM_THIS(This);
   if (ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleOut) {
     return (EFI_UNSUPPORTED);
   }
   ASSERT(ShellInfoObject.ConsoleInfo == ConsoleInfo);
+  if (ShellInfoObject.HaltOutput) {
+    //
+    // just get some key
+    //
+    gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &EventIndex);
+    gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
+    ShellInfoObject.HaltOutput = FALSE;
+  }
   if (!ShellInfoObject.ConsoleInfo->Enabled) {
     return (EFI_DEVICE_ERROR);
   } else if (ShellInfoObject.PageBreakEnabled) {

ShellPkg/Application/Shell/FileHandleWrappers.c

@@ -249,7 +249,7 @@ FileInterfaceStdErrRead(
   File style interface for NUL file (Read).
   
   @param[in] This             Ignored.
-  @param[in,out] BufferSize   Ignored.
+  @param[in,out] BufferSize   Poiner to 0 upon return.
   @param[out] Buffer          Ignored.
   
   @retval EFI_SUCCESS Always.
@@ -262,6 +262,7 @@ FileInterfaceNulRead(
   OUT     VOID              *Buffer
   )
 {
+  *BufferSize = 0;
   return (EFI_SUCCESS);
 }
 

ShellPkg/Application/Shell/Shell.c

@@ -55,7 +55,8 @@ SHELL_INFO ShellInfoObject = {
   NULL,
   NULL,
   NULL,
-  NULL
+  NULL,
+  FALSE
 };
 
 STATIC CONST CHAR16 mScriptExtension[]      = L".NSH";
@@ -158,14 +159,8 @@ UefiMain (
   EFI_STATUS                      Status;
   CHAR16                          *TempString;
   UINTN                           Size;
-//    EFI_INPUT_KEY                 Key;
+  EFI_HANDLE                      ConInHandle;
-
+  EFI_SIMPLE_TEXT_INPUT_PROTOCOL  *OldConIn;
-//  gST->ConOut->OutputString(gST->ConOut, L"ReadKeyStroke Calling\r\n");
-//
-//  Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
-//
-//  gST->ConOut->OutputString(gST->ConOut, L"ReadKeyStroke Done\r\n");
-//  gBS->Stall (1000000);
 
   if (PcdGet8(PcdShellSupportLevel) > 3) {
     return (EFI_UNSUPPORTED);
@@ -361,6 +356,18 @@ UefiMain (
         Status = InternalEfiShellStartCtrlSMonitor();
       }
 
+      if (!EFI_ERROR(Status) && ShellInfoObject.ShellInitSettings.BitUnion.Bits.NoConsoleIn) {
+        //
+        // close off the gST->ConIn
+        //
+        OldConIn      = gST->ConIn;
+        ConInHandle   = gST->ConsoleInHandle;
+        gST->ConIn = CreateSimpleTextInOnFile((SHELL_FILE_HANDLE)&FileInterfaceNulFile, &gST->ConsoleInHandle);
+      } else {
+        OldConIn      = NULL;
+        ConInHandle   = NULL;
+      }
+
       if (!EFI_ERROR(Status) && PcdGet8(PcdShellSupportLevel) >= 1) {
         //
         // process the startup script or launch the called app.
@@ -399,6 +406,11 @@ UefiMain (
           Status = DoShellPrompt();
         } while (!ShellCommandGetExit());
       }
+      if (OldConIn != NULL && ConInHandle != NULL) {
+        CloseSimpleTextInOnFile (gST->ConIn);
+        gST->ConIn            = OldConIn;
+        gST->ConsoleInHandle  = ConInHandle;
+      }
     }
   }
 
@@ -548,8 +560,6 @@ IsScriptOnlyCommand(
   return (FALSE);
 }
 
-
-
 /**
   This function will populate the 2 device path protocol parameters based on the
   global gImageHandle.  The DevPath will point to the device path for the handle that has
@@ -598,6 +608,11 @@ GetDevicePathsForImageAndFile (
     if (!EFI_ERROR (Status)) {
       *DevPath  = DuplicateDevicePath (ImageDevicePath);
       *FilePath = DuplicateDevicePath (LoadedImage->FilePath);
+      gBS->CloseProtocol(
+                  LoadedImage->DeviceHandle,
+                  &gEfiDevicePathProtocolGuid,
+                  gImageHandle,
+                  NULL);
     }
     gBS->CloseProtocol(
                 gImageHandle,
@@ -620,6 +635,7 @@ STATIC CONST SHELL_PARAM_ITEM mShellParamList[] = {
   {L"-delay",         TypeValue},
   {NULL, TypeMax}
   };
+
 /**
   Process all Uefi Shell 2.0 command line options.
 

ShellPkg/Application/Shell/Shell.h

@@ -50,6 +50,7 @@
 #include "ShellEnvVar.h"
 #include "ConsoleLogger.h"
 #include "ShellManParser.h"
+#include "ConsoleWrappers.h"
 
 typedef struct {
   LIST_ENTRY        Link;           ///< Standard linked list handler.
@@ -113,6 +114,7 @@ typedef struct {
   EFI_HANDLE                    CtrlSNotifyHandle2;   ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
   EFI_HANDLE                    CtrlSNotifyHandle3;   ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
   EFI_HANDLE                    CtrlSNotifyHandle4;   ///< The NotifyHandle returned from SimpleTextInputEx.RegisterKeyNotify.
+  BOOLEAN                       HaltOutput;           ///< TRUE to start a CTRL-S halt.
 } SHELL_INFO;
 
 extern SHELL_INFO ShellInfoObject;

ShellPkg/Application/Shell/ShellProtocol.c

@@ -3326,8 +3326,6 @@ NotificationFunction(
   IN EFI_KEY_DATA *KeyData
   )
 {
-  EFI_INPUT_KEY Key;
-  UINTN         EventIndex;
 //  ShellPrintEx(-1,-1,L"  <Notify>  ");
    if ((KeyData->Key.UnicodeChar == L'c' || KeyData->Key.UnicodeChar == 3) &&
       (KeyData->KeyState.KeyShiftState == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState  == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED))
@@ -3339,11 +3337,7 @@ NotificationFunction(
   } else if  ((KeyData->Key.UnicodeChar == L's') &&
               (KeyData->KeyState.KeyShiftState  == (EFI_SHIFT_STATE_VALID|EFI_LEFT_CONTROL_PRESSED) || KeyData->KeyState.KeyShiftState  == (EFI_SHIFT_STATE_VALID|EFI_RIGHT_CONTROL_PRESSED))
               ){ 
-    //
+    ShellInfoObject.HaltOutput = TRUE;
-    // just get some key
-    //
-    gBS->WaitForEvent (1, &gST->ConIn->WaitForKey, &EventIndex);
-    gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
   }
   return (EFI_SUCCESS);
 }

ShellPkg/Library/UefiShellLevel3CommandsLib/Pause.c

@@ -82,9 +82,8 @@ ShellCommandRunPause (
       } else {
         Status = ShellPromptForResponse(ShellPromptResponseTypeQuitContinue, NULL, (VOID**)&Resp);
       }
-      ASSERT_EFI_ERROR(Status);
 
-      if (Resp == NULL || *Resp == ShellPromptResponseQuit) {
+      if (EFI_ERROR(Status) || Resp == NULL || *Resp == ShellPromptResponseQuit) {
         ShellCommandRegisterExit(TRUE);
         ShellStatus = SHELL_ABORTED;
       }