diff options
author | jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-06-16 19:03:54 +0000 |
---|---|---|
committer | jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-06-16 19:03:54 +0000 |
commit | 975136ab1c0f339cd88214f602bfbc3deb1573a0 (patch) | |
tree | a37e5e7427ed0c3cca091cd129576572324f5f5a /ShellPkg | |
parent | f391357d3c978eb2c73a110aa44e09e7711a6abb (diff) | |
download | edk2-platforms-975136ab1c0f339cd88214f602bfbc3deb1573a0.tar.xz |
fixed color printing in ShellPrintEx function
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8577 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ShellPkg')
-rw-r--r-- | ShellPkg/Library/UefiShellLib/UefiShellLib.c | 160 |
1 files changed, 150 insertions, 10 deletions
diff --git a/ShellPkg/Library/UefiShellLib/UefiShellLib.c b/ShellPkg/Library/UefiShellLib/UefiShellLib.c index 7ac7765b4b..eb2bc6268f 100644 --- a/ShellPkg/Library/UefiShellLib/UefiShellLib.c +++ b/ShellPkg/Library/UefiShellLib/UefiShellLib.c @@ -1946,6 +1946,65 @@ ShellCommandLineGetRawValue ( }
return (NULL);
}
+/**
+ This is a find and replace function. it will return the NewString as a copy of
+ SourceString with each instance of FindTarget replaced with ReplaceWith.
+
+ If the string would grow bigger than NewSize it will halt and return error.
+
+ @param[in] SourceString String with source buffer
+ @param[in][out] NewString String with resultant buffer
+ @param[in] NewSize Size in bytes of NewString
+ @param[in] FindTarget String to look for
+ @param[in[ ReplaceWith String to replace FindTarget with
+
+ @retval EFI_INVALID_PARAMETER SourceString was NULL
+ @retval EFI_INVALID_PARAMETER NewString was NULL
+ @retval EFI_INVALID_PARAMETER FindTarget was NULL
+ @retval EFI_INVALID_PARAMETER ReplaceWith was NULL
+ @retval EFI_INVALID_PARAMETER FindTarget had length < 1
+ @retval EFI_INVALID_PARAMETER SourceString had length < 1
+ @retval EFI_BUFFER_TOO_SMALL NewSize was less than the minimum size to hold
+ the new string (truncation occurred)
+ @retval EFI_SUCCESS the string was sucessfully copied with replacement
+**/
+
+EFI_STATUS
+EFIAPI
+CopyReplace(
+ IN CHAR16 CONST *SourceString,
+ IN CHAR16 *NewString,
+ IN UINTN NewSize,
+ IN CONST CHAR16 *FindTarget,
+ IN CONST CHAR16 *ReplaceWith
+ ){
+ if ( (SourceString == NULL)
+ || (NewString == NULL)
+ || (FindTarget == NULL)
+ || (ReplaceWith == NULL)
+ || (StrLen(FindTarget) < 1)
+ || (StrLen(SourceString) < 1)
+ ){
+ return (EFI_INVALID_PARAMETER);
+ }
+ NewString = SetMem16(NewString, NewSize, L'\0');
+ while (*SourceString != L'\0') {
+ if (StrnCmp(SourceString, FindTarget, StrLen(FindTarget)) == 0) {
+ SourceString += StrLen(FindTarget);
+ if (StrSize(NewString) + (StrLen(ReplaceWith)*sizeof(CHAR16)) > NewSize) {
+ return (EFI_BUFFER_TOO_SMALL);
+ }
+ StrCat(NewString, ReplaceWith);
+ } else {
+ if (StrSize(NewString) + sizeof(CHAR16) > NewSize) {
+ return (EFI_BUFFER_TOO_SMALL);
+ }
+ StrnCat(NewString, SourceString, 1);
+ SourceString++;
+ }
+ }
+ return (EFI_SUCCESS);
+}
/**
Print at a specific location on the screen.
@@ -1986,33 +2045,114 @@ ShellPrintEx( ){
VA_LIST Marker;
UINTN BufferSize;
- CHAR16 *Buffer;
+ CHAR16 *PostReplaceFormat;
+ CHAR16 *PostReplaceFormat2;
UINTN Return;
INT32 CurrentCol;
INT32 CurrentRow;
EFI_STATUS Status;
+ UINTN NormalAttribute;
+ CHAR16 *ResumeLocation;
+ CHAR16 *FormatWalker;
+
+ VA_START (Marker, Format);
BufferSize = (PcdGet32 (PcdUefiLibMaxPrintBufferSize) + 1) * sizeof (CHAR16);
- Buffer = AllocateZeroPool (BufferSize);
- ASSERT (Buffer != NULL);
+ PostReplaceFormat = AllocateZeroPool (BufferSize);
+ ASSERT (PostReplaceFormat != NULL);
+ PostReplaceFormat2 = AllocateZeroPool (BufferSize);
+ ASSERT (PostReplaceFormat2 != NULL);
- VA_START (Marker, Format);
- Return = UnicodeVSPrint (Buffer, BufferSize, Format, Marker);
+ //
+ // Back and forth each time fixing up 1 of our flags...
+ //
+ Status = CopyReplace(Format, PostReplaceFormat, BufferSize, L"%N", L"%%N");
+ ASSERT_EFI_ERROR(Status);
+ Status = CopyReplace(PostReplaceFormat, PostReplaceFormat2, BufferSize, L"%E", L"%%E");
+ ASSERT_EFI_ERROR(Status);
+ Status = CopyReplace(PostReplaceFormat2, PostReplaceFormat, BufferSize, L"%H", L"%%H");
+ ASSERT_EFI_ERROR(Status);
+ Status = CopyReplace(PostReplaceFormat, PostReplaceFormat2, BufferSize, L"%B", L"%%B");
+ ASSERT_EFI_ERROR(Status);
+ Status = CopyReplace(PostReplaceFormat2, PostReplaceFormat, BufferSize, L"%V", L"%%V");
+ ASSERT_EFI_ERROR(Status);
+
+ //
+ // Use the last buffer from replacing to print from...
+ //
+ Return = UnicodeVSPrint (PostReplaceFormat2, BufferSize, PostReplaceFormat, Marker);
+
+ FreePool(PostReplaceFormat);
if (Col != -1 && Row != -1) {
CurrentCol = gST->ConOut->Mode->CursorColumn;
CurrentRow = gST->ConOut->Mode->CursorRow;
Status = gST->ConOut->SetCursorPosition(gST->ConOut, Col, Row);
ASSERT_EFI_ERROR(Status);
- Status = gST->ConOut->OutputString(gST->ConOut, Buffer);
+ } else {
+ CurrentCol = 0;
+ CurrentRow = 0;
+ }
+
+ NormalAttribute = gST->ConOut->Mode->Attribute;
+ FormatWalker = PostReplaceFormat2;
+ while (*FormatWalker != L'\0') {
+ //
+ // Find the next attribute change request
+ //
+ ResumeLocation = StrStr(FormatWalker, L"%");
+ if (ResumeLocation != NULL) {
+ *ResumeLocation = L'\0';
+ }
+ //
+ // print the current FormatWalker string
+ //
+ Status = gST->ConOut->OutputString(gST->ConOut, FormatWalker);
ASSERT_EFI_ERROR(Status);
+ //
+ // update the attribute
+ //
+ if (ResumeLocation != NULL) {
+ switch (*(ResumeLocation+1)) {
+ case (L'N'):
+ gST->ConOut->SetAttribute(gST->ConOut, NormalAttribute);
+ break;
+ case (L'E'):
+ gST->ConOut->SetAttribute(gST->ConOut, EFI_TEXT_ATTR(EFI_YELLOW, ((NormalAttribute&(BIT4|BIT5|BIT6))>>4)));
+ break;
+ case (L'H'):
+ gST->ConOut->SetAttribute(gST->ConOut, EFI_TEXT_ATTR(EFI_WHITE, ((NormalAttribute&(BIT4|BIT5|BIT6))>>4)));
+ break;
+ case (L'B'):
+ gST->ConOut->SetAttribute(gST->ConOut, EFI_TEXT_ATTR(EFI_BLUE, ((NormalAttribute&(BIT4|BIT5|BIT6))>>4)));
+ break;
+ case (L'V'):
+ gST->ConOut->SetAttribute(gST->ConOut, EFI_TEXT_ATTR(EFI_GREEN, ((NormalAttribute&(BIT4|BIT5|BIT6))>>4)));
+ break;
+ default:
+ ASSERT(FALSE);
+ break;
+ }
+ } else {
+ //
+ // reset to normal now...
+ //
+ gST->ConOut->SetAttribute(gST->ConOut, NormalAttribute);
+ break;
+ }
+
+ //
+ // update FormatWalker to Resume + 2 (skip the % and the indicator)
+ //
+ FormatWalker = ResumeLocation + 2;
+ }
+
+ if (Col != -1 && Row != -1) {
Status = gST->ConOut->SetCursorPosition(gST->ConOut, CurrentCol, CurrentRow);
ASSERT_EFI_ERROR(Status);
- } else {
- Status = gST->ConOut->OutputString(gST->ConOut, Buffer);
- ASSERT_EFI_ERROR(Status);
}
- FreePool(Buffer);
+ FreePool(PostReplaceFormat2);
+
return (Return);
}
\ No newline at end of file |