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Update HiiGetBrowserData API

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8176 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4
2009-04-27 04:55:02 +00:00
parent 7059dad904
commit 1d451ff9cf
8 changed files with 55 additions and 125 deletions
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98
MdeModulePkg/Library/UefiHiiLib/HiiLib.c
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@@ -446,63 +446,6 @@ InternalHiiBlockToConfig (
return ConfigResp;
}
/**
Uses the ConfigToBlock() service of the Config Routing Protocol to
convert <ConfigResp> to a block. The block is allocated using
AllocatePool(). The caller is responsible for freeing the block
using FreePool().
If ConfigResp is NULL, then ASSERT().
@param[in] ConfigResp Pointer to a Null-terminated Unicode string.
@param[in] BufferSize Length in bytes of buffer to hold retrived data.
@retval NULL The block could not be generated..
@retval Other Pointer to the allocated block.
**/
UINT8 *
EFIAPI
InternalHiiConfigToBlock (
IN EFI_STRING ConfigResp,
IN UINTN BlockSize
)
{
EFI_STATUS Status;
CHAR16 *Progress;
UINT8 *Block;
ASSERT (ConfigResp != NULL);
//
// Allocate a buffer to hold the <ConfigResp> conversion
//
Block = AllocateZeroPool (BlockSize);
if (Block == NULL) {
return NULL;
}
//
// Convert <ConfigResp> to a buffer
//
Status = gHiiConfigRouting->ConfigToBlock (
gHiiConfigRouting,
ConfigResp,
Block,
&BlockSize,
&Progress
);
if (EFI_ERROR (Status)) {
FreePool (Block);
return NULL;
}
//
// Return converted buffer
//
return Block;
}
/**
Uses the BrowserCallback() service of the Form Browser Protocol to retrieve
or set uncommitted data. If sata i being retrieved, then the buffer is
@@ -1164,38 +1107,40 @@ HiiIsConfigHdrMatch (
/**
Retrieves uncommited data from the Form Browser and converts it to a binary
buffer. The returned buffer is allocated using AllocatePool(). The caller
is responsible for freeing the returned buffer using FreePool().
buffer.
@param[in] VariableGuid Pointer to an EFI_GUID structure. This is an optional
parameter that may be NULL.
@param[in] VariableName Pointer to a Null-terminated Unicode string. This
is an optional parameter that may be NULL.
@param[in] VariableGuid Pointer to an EFI_GUID structure. This is an optional
parameter that may be NULL.
@param[in] BufferSize Length in bytes of buffer to hold retrived data.
@param[out] Block Buffer of data to be updated.
@retval NULL The uncommitted data could not be retrieved.
@retval Other A pointer to a buffer containing the uncommitted data.
@retval FALSE The uncommitted data could not be retrieved.
@retval TRUE The uncommitted data was retrieved.
**/
UINT8 *
BOOLEAN
EFIAPI
HiiGetBrowserData (
IN CONST EFI_GUID *VariableGuid, OPTIONAL
IN CONST CHAR16 *VariableName, OPTIONAL
IN UINTN BlockSize
IN UINTN BlockSize,
OUT UINT8 *Block
)
{
EFI_STRING ResultsData;
UINTN Size;
EFI_STRING ConfigResp;
UINT8 *Block;
EFI_STATUS Status;
CHAR16 *Progress;
//
// Retrieve the results data from the Browser Callback
//
ResultsData = InternalHiiBrowserCallback (VariableGuid, VariableName, NULL);
if (ResultsData == NULL) {
return NULL;
return FALSE;
}
//
@@ -1211,16 +1156,29 @@ HiiGetBrowserData (
//
FreePool (ResultsData);
if (ConfigResp == NULL) {
return NULL;
return FALSE;
}
//
// Convert <ConfigResp> to a buffer
//
Block = InternalHiiConfigToBlock (ConfigResp, BlockSize);
Status = gHiiConfigRouting->ConfigToBlock (
gHiiConfigRouting,
ConfigResp,
Block,
&BlockSize,
&Progress
);
//
// Free the allocated buffer
//
FreePool (ConfigResp);
return Block;
if (EFI_ERROR (Status)) {
return FALSE;
}
return TRUE;
}
/**