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authorjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2010-09-14 05:18:09 +0000
committerjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2010-09-14 05:18:09 +0000
commita405b86d274d32b92f69842bfb9a1ab143128f57 (patch)
treeb6fb97d9a65152d2b6527d6cd226a5b48c675dd8 /ShellPkg/Library/UefiShellLevel2CommandsLib/Set.c
parent52fb4d3d133883c6e0e8b8ee8a7af590a920f5eb (diff)
udk2010.up2.shell initial release.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10874 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ShellPkg/Library/UefiShellLevel2CommandsLib/Set.c')
-rw-r--r--ShellPkg/Library/UefiShellLevel2CommandsLib/Set.c169
1 files changed, 169 insertions, 0 deletions
diff --git a/ShellPkg/Library/UefiShellLevel2CommandsLib/Set.c b/ShellPkg/Library/UefiShellLevel2CommandsLib/Set.c
new file mode 100644
index 000000000..a3452f0b6
--- /dev/null
+++ b/ShellPkg/Library/UefiShellLevel2CommandsLib/Set.c
@@ -0,0 +1,169 @@
+/** @file
+ Main file for attrib shell level 2 function.
+
+ Copyright (c) 2009 - 2010, 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 "UefiShellLevel2CommandsLib.h"
+
+/**
+ Print out each environment variable registered with the Shell 2.0 GUID.
+
+ If you spawn a pre 2.0 shell from the Shell 2.0 the environment variable may not carry through.
+
+ @retval STATUS_SUCCESS the printout was sucessful
+ @return any return code from GetNextVariableName except EFI_NOT_FOUND
+**/
+SHELL_STATUS
+EFIAPI
+PrintAllShellEnvVars(
+ VOID
+ )
+{
+ CONST CHAR16 *Value;
+ CONST CHAR16 *ConstEnvNameList;
+
+ ConstEnvNameList = gEfiShellProtocol->GetEnv(NULL);
+ if (ConstEnvNameList == NULL) {
+ return (SHELL_SUCCESS);
+ }
+ while (*ConstEnvNameList != CHAR_NULL){
+ Value = gEfiShellProtocol->GetEnv(ConstEnvNameList);
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SET_DISP), gShellLevel2HiiHandle, ConstEnvNameList, Value);
+ ConstEnvNameList += StrLen(ConstEnvNameList)+1;
+ }
+
+ return (SHELL_SUCCESS);
+}
+
+STATIC CONST SHELL_PARAM_ITEM SetParamList[] = {
+ {L"-d", TypeValue},
+ {L"-v", TypeFlag},
+ {NULL, TypeMax}
+ };
+
+/**
+ Function for 'set' command.
+
+ @param[in] ImageHandle Handle to the Image (NULL if Internal).
+ @param[in] SystemTable Pointer to the System Table (NULL if Internal).
+**/
+SHELL_STATUS
+EFIAPI
+ShellCommandRunSet (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ LIST_ENTRY *Package;
+ CONST CHAR16 *KeyName;
+ CONST CHAR16 *Value;
+ CHAR16 *ProblemParam;
+ SHELL_STATUS ShellStatus;
+
+ ProblemParam = NULL;
+ ShellStatus = SHELL_SUCCESS;
+
+ //
+ // initialize the shell lib (we must be in non-auto-init...)
+ //
+ Status = ShellInitialize();
+ ASSERT_EFI_ERROR(Status);
+
+ //
+ // Make sure globals are good...
+ //
+ Status = CommandInit();
+ ASSERT_EFI_ERROR(Status);
+
+ //
+ // parse the command line
+ //
+ Status = ShellCommandLineParse (SetParamList, &Package, &ProblemParam, TRUE);
+ if (EFI_ERROR(Status)) {
+ if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, ProblemParam);
+ FreePool(ProblemParam);
+ return (SHELL_INVALID_PARAMETER);
+ } else {
+ ASSERT(FALSE);
+ }
+ } else {
+ //
+ // check for "-?"
+ //
+ if (ShellCommandLineGetFlag(Package, L"-?")) {
+ ASSERT(FALSE);
+ } else if (ShellCommandLineGetRawValue(Package, 3) != NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellCommandLineGetRawValue(Package, 1) != NULL && ShellCommandLineGetFlag(Package, L"-d")) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle);
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else if (ShellCommandLineGetFlag(Package, L"-d")) {
+ //
+ // delete a environment variable
+ //
+ KeyName = ShellCommandLineGetValue(Package, L"-d");
+ if (KeyName == NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellLevel2HiiHandle, L"-d");
+ ShellStatus = SHELL_INVALID_PARAMETER;
+ } else {
+ Status = ShellSetEnvironmentVariable(KeyName, L"", ShellCommandLineGetFlag(Package, L"-v"));
+ if (EFI_ERROR(Status)) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SET_ND), gShellLevel2HiiHandle, KeyName, Status);
+ ShellStatus = SHELL_DEVICE_ERROR;
+ }
+ }
+ } else if (ShellCommandLineGetRawValue(Package, 1) == NULL) {
+ //
+ // print out all current environment variables
+ //
+ return(PrintAllShellEnvVars());
+ } else {
+ //
+ // we are either printing one or assigning one
+ //
+ KeyName = ShellCommandLineGetRawValue(Package, 1);
+ Value = ShellCommandLineGetRawValue(Package, 2);
+ if (KeyName != NULL && Value != NULL) {
+ //
+ // assigning one
+ //
+ Status = ShellSetEnvironmentVariable(KeyName, Value, ShellCommandLineGetFlag(Package, L"-v"));
+ } else {
+ if (KeyName != NULL) {
+ //
+ // print out value for this one only.
+ //
+ Value = ShellGetEnvironmentVariable(KeyName);
+ if (Value == NULL) {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SET_NF), gShellLevel2HiiHandle, KeyName);
+ ShellStatus = SHELL_SUCCESS;
+ } else {
+ ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_SET_DISP), gShellLevel2HiiHandle, KeyName, Value);
+ ShellStatus = SHELL_SUCCESS;
+ }
+ } else {
+ ASSERT(FALSE);
+ }
+ }
+ }
+ }
+
+ //
+ // free the command line package
+ //
+ ShellCommandLineFreeVarList (Package);
+
+ return (ShellStatus);
+}