Revision: 15871
http://sourceforge.net/p/edk2/code/15871
Author: jcarsey
Date: 2014-08-21 20:18:47 +0000 (Thu, 21 Aug 2014)
Log Message:
-----------
ShellPkg: Add support for UEFI Shell 2.1 spec command line comments
Example:
Shell> echo "You are ^#1!" # Testing echo
You are #1!
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Chris Phillips <[email protected]>
Reviewed-by: Jaben Carsey <[email protected]>
Modified Paths:
--------------
trunk/edk2/ShellPkg/Application/Shell/Shell.c
Modified: trunk/edk2/ShellPkg/Application/Shell/Shell.c
===================================================================
--- trunk/edk2/ShellPkg/Application/Shell/Shell.c 2014-08-21 20:16:32 UTC
(rev 15870)
+++ trunk/edk2/ShellPkg/Application/Shell/Shell.c 2014-08-21 20:18:47 UTC
(rev 15871)
@@ -2458,6 +2458,24 @@
TrimSpaces(&CleanOriginal);
//
+ // NULL out comments (leveraged from RunScriptFileHandle() ).
+ // The # character on a line is used to denote that all characters on the
same line
+ // and to the right of the # are to be ignored by the shell.
+ // Afterward, again remove spaces, in case any were between the last
command-parameter and '#'.
+ //
+ for (TempWalker = CleanOriginal; TempWalker != NULL && *TempWalker !=
CHAR_NULL; TempWalker++) {
+ if (*TempWalker == L'^') {
+ if (*(TempWalker + 1) == L'#') {
+ CopyMem (TempWalker, TempWalker + 1, StrSize (TempWalker) - sizeof
(TempWalker[0]));
+ }
+ } else if (*TempWalker == L'#') {
+ *TempWalker = CHAR_NULL;
+ }
+ }
+
+ TrimSpaces(&CleanOriginal);
+
+ //
// Handle case that passed in command line is just 1 or more " " characters.
//
if (StrLen (CleanOriginal) == 0) {
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