mirror of https://github.com/acidanthera/audk.git
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 <chrisp@hp.com> Reviewed-by: Jaben Carsey <jaben.carsey@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15871 6f19259b-4bc3-4df7-8a09-765794883524
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@ -2457,6 +2457,24 @@ RunCommand(
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TrimSpaces(&CleanOriginal);
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TrimSpaces(&CleanOriginal);
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//
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// NULL out comments (leveraged from RunScriptFileHandle() ).
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// The # character on a line is used to denote that all characters on the same line
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// and to the right of the # are to be ignored by the shell.
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// Afterward, again remove spaces, in case any were between the last command-parameter and '#'.
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//
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for (TempWalker = CleanOriginal; TempWalker != NULL && *TempWalker != CHAR_NULL; TempWalker++) {
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if (*TempWalker == L'^') {
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if (*(TempWalker + 1) == L'#') {
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CopyMem (TempWalker, TempWalker + 1, StrSize (TempWalker) - sizeof (TempWalker[0]));
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}
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} else if (*TempWalker == L'#') {
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*TempWalker = CHAR_NULL;
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}
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}
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TrimSpaces(&CleanOriginal);
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//
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//
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// Handle case that passed in command line is just 1 or more " " characters.
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// Handle case that passed in command line is just 1 or more " " characters.
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//
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//
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