diff options
| author | jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-12-13 21:26:22 +0000 |
|---|---|---|
| committer | jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-12-13 21:26:22 +0000 |
| commit | d51088b764304f920a41a186bef45ca789e080dc (patch) | |
| tree | a271b4ec6c70ece4498a076084c97c4aa3ce9741 /ShellPkg/Library/UefiShellCommandLib | |
| parent | 7ac133d002349e5dce851850c56e72ace51e0452 (diff) | |
ShellPkg: Updates to 'help' command
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://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13997 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ShellPkg/Library/UefiShellCommandLib')
| -rw-r--r-- | ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c index fb44768c0b..66a242f66f 100644 --- a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c +++ b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c @@ -334,6 +334,16 @@ ShellCommandRegisterCommandName ( )
{
SHELL_COMMAND_INTERNAL_LIST_ENTRY *Node;
+ SHELL_COMMAND_INTERNAL_LIST_ENTRY *Command;
+ SHELL_COMMAND_INTERNAL_LIST_ENTRY *PrevCommand;
+ INTN LexicalMatchValue;
+
+ //
+ // Initialize local variables.
+ //
+ Command = NULL;
+ PrevCommand = NULL;
+ LexicalMatchValue = 0;
//
// ASSERTs for NULL parameters
@@ -392,9 +402,40 @@ ShellCommandRegisterCommandName ( }
//
- // add the new struct to the list
+ // Insert a new entry on top of the list
//
- InsertTailList (&mCommandList.Link, &Node->Link);
+ InsertHeadList (&mCommandList.Link, &Node->Link);
+
+ //
+ // Move a new registered command to its sorted ordered location in the list
+ //
+ for (Command = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode (&mCommandList.Link),
+ PrevCommand = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetFirstNode (&mCommandList.Link)
+ ; !IsNull (&mCommandList.Link, &Command->Link)
+ ; Command = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *)GetNextNode (&mCommandList.Link, &Command->Link)) {
+
+ //
+ // Get Lexical Comparison Value between PrevCommand and Command list entry
+ //
+ LexicalMatchValue = gUnicodeCollation->StriColl (
+ gUnicodeCollation,
+ PrevCommand->CommandString,
+ Command->CommandString
+ );
+
+ //
+ // Swap PrevCommand and Command list entry if PrevCommand list entry
+ // is alphabetically greater than Command list entry
+ //
+ if (LexicalMatchValue > 0){
+ Command = (SHELL_COMMAND_INTERNAL_LIST_ENTRY *) SwapListEntries (&PrevCommand->Link, &Command->Link);
+ } else if (LexicalMatchValue < 0) {
+ //
+ // PrevCommand entry is lexically lower than Command entry
+ //
+ break;
+ }
+ }
return (RETURN_SUCCESS);
}
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