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authorjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2011-07-06 22:28:36 +0000
committerjcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524>2011-07-06 22:28:36 +0000
commit4d0a4fcefef53afdaae1f6db616123bfc7b0db08 (patch)
treeab17d8522280831f1677842fe1c2eff47fa5e6a0 /ShellPkg/Library
parentda22bd617151338a4ed73addb5444ba4556bbb39 (diff)
downloadedk2-platforms-4d0a4fcefef53afdaae1f6db616123bfc7b0db08.tar.xz
Move the 2 functions associated with reading whole lines at a single time from the shell command (internal) library to the ShellLib (external) library.
signed-off-by: jcarsey reviewed-by: lgrosenb git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12000 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ShellPkg/Library')
-rw-r--r--ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c151
-rw-r--r--ShellPkg/Library/UefiShellLib/UefiShellLib.c151
2 files changed, 151 insertions, 151 deletions
diff --git a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
index 28b7dda51e..cb452d44d5 100644
--- a/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
+++ b/ShellPkg/Library/UefiShellCommandLib/UefiShellCommandLib.c
@@ -1283,157 +1283,6 @@ ShellFileHandleEof(
}
/**
- Function to read a single line from a SHELL_FILE_HANDLE. The \n is not included in the returned
- buffer. The returned buffer must be callee freed.
-
- If the position upon start is 0, then the Ascii Boolean will be set. This should be
- maintained and not changed for all operations with the same file.
-
- @param[in] Handle SHELL_FILE_HANDLE to read from.
- @param[in,out] Ascii Boolean value for indicating whether the file is
- Ascii (TRUE) or UCS2 (FALSE).
-
- @return The line of text from the file.
-
- @sa ShellFileHandleReadLine
-**/
-CHAR16*
-EFIAPI
-ShellFileHandleReturnLine(
- IN SHELL_FILE_HANDLE Handle,
- IN OUT BOOLEAN *Ascii
- )
-{
- CHAR16 *RetVal;
- UINTN Size;
- EFI_STATUS Status;
-
- Size = 0;
- RetVal = NULL;
-
- Status = ShellFileHandleReadLine(Handle, RetVal, &Size, FALSE, Ascii);
- if (Status == EFI_BUFFER_TOO_SMALL) {
- RetVal = AllocateZeroPool(Size);
- Status = ShellFileHandleReadLine(Handle, RetVal, &Size, FALSE, Ascii);
- }
- ASSERT_EFI_ERROR(Status);
- if (EFI_ERROR(Status) && (RetVal != NULL)) {
- FreePool(RetVal);
- RetVal = NULL;
- }
- return (RetVal);
-}
-
-/**
- Function to read a single line (up to but not including the \n) from a SHELL_FILE_HANDLE.
-
- If the position upon start is 0, then the Ascii Boolean will be set. This should be
- maintained and not changed for all operations with the same file.
-
- @param[in] Handle SHELL_FILE_HANDLE to read from.
- @param[in,out] Buffer The pointer to buffer to read into.
- @param[in,out] Size The pointer to number of bytes in Buffer.
- @param[in] Truncate If the buffer is large enough, this has no effect.
- If the buffer is is too small and Truncate is TRUE,
- the line will be truncated.
- If the buffer is is too small and Truncate is FALSE,
- then no read will occur.
-
- @param[in,out] Ascii Boolean value for indicating whether the file is
- Ascii (TRUE) or UCS2 (FALSE).
-
- @retval EFI_SUCCESS The operation was successful. The line is stored in
- Buffer.
- @retval EFI_INVALID_PARAMETER Handle was NULL.
- @retval EFI_INVALID_PARAMETER Size was NULL.
- @retval EFI_BUFFER_TOO_SMALL Size was not large enough to store the line.
- Size was updated to the minimum space required.
- @sa ShellFileHandleRead
-**/
-EFI_STATUS
-EFIAPI
-ShellFileHandleReadLine(
- IN SHELL_FILE_HANDLE Handle,
- IN OUT CHAR16 *Buffer,
- IN OUT UINTN *Size,
- IN BOOLEAN Truncate,
- IN OUT BOOLEAN *Ascii
- )
-{
- EFI_STATUS Status;
- CHAR16 CharBuffer;
- UINTN CharSize;
- UINTN CountSoFar;
- UINT64 OriginalFilePosition;
-
-
- if (Handle == NULL
- ||Size == NULL
- ){
- return (EFI_INVALID_PARAMETER);
- }
- if (Buffer == NULL) {
- ASSERT(*Size == 0);
- } else {
- *Buffer = CHAR_NULL;
- }
- gEfiShellProtocol->GetFilePosition(Handle, &OriginalFilePosition);
- if (OriginalFilePosition == 0) {
- CharSize = sizeof(CHAR16);
- Status = gEfiShellProtocol->ReadFile(Handle, &CharSize, &CharBuffer);
- ASSERT_EFI_ERROR(Status);
- if (CharBuffer == gUnicodeFileTag) {
- *Ascii = FALSE;
- } else {
- *Ascii = TRUE;
- gEfiShellProtocol->SetFilePosition(Handle, OriginalFilePosition);
- }
- }
-
- for (CountSoFar = 0;;CountSoFar++){
- CharBuffer = 0;
- if (*Ascii) {
- CharSize = sizeof(CHAR8);
- } else {
- CharSize = sizeof(CHAR16);
- }
- Status = gEfiShellProtocol->ReadFile(Handle, &CharSize, &CharBuffer);
- if ( EFI_ERROR(Status)
- || CharSize == 0
- || (CharBuffer == L'\n' && !(*Ascii))
- || (CharBuffer == '\n' && *Ascii)
- ){
- break;
- }
- //
- // if we have space save it...
- //
- if ((CountSoFar+1)*sizeof(CHAR16) < *Size){
- ASSERT(Buffer != NULL);
- ((CHAR16*)Buffer)[CountSoFar] = CharBuffer;
- ((CHAR16*)Buffer)[CountSoFar+1] = CHAR_NULL;
- }
- }
-
- //
- // if we ran out of space tell when...
- //
- if ((CountSoFar+1)*sizeof(CHAR16) > *Size){
- *Size = (CountSoFar+1)*sizeof(CHAR16);
- if (!Truncate) {
- gEfiShellProtocol->SetFilePosition(Handle, OriginalFilePosition);
- } else {
- DEBUG((DEBUG_WARN, "The line was truncated in ShellFileHandleReadLine"));
- }
- return (EFI_BUFFER_TOO_SMALL);
- }
- while(Buffer[StrLen(Buffer)-1] == L'\r') {
- Buffer[StrLen(Buffer)-1] = CHAR_NULL;
- }
-
- return (Status);
-}
-/**
Frees any BUFFER_LIST defined type.
@param[in] List The BUFFER_LIST object to free.
diff --git a/ShellPkg/Library/UefiShellLib/UefiShellLib.c b/ShellPkg/Library/UefiShellLib/UefiShellLib.c
index fa86d72ce4..3c1b983a60 100644
--- a/ShellPkg/Library/UefiShellLib/UefiShellLib.c
+++ b/ShellPkg/Library/UefiShellLib/UefiShellLib.c
@@ -3808,3 +3808,154 @@ ShellIsHexOrDecimalNumber (
}
return (FALSE);
}
+
+/**
+ Function to read a single line from a SHELL_FILE_HANDLE. The \n is not included in the returned
+ buffer. The returned buffer must be callee freed.
+
+ If the position upon start is 0, then the Ascii Boolean will be set. This should be
+ maintained and not changed for all operations with the same file.
+
+ @param[in] Handle SHELL_FILE_HANDLE to read from.
+ @param[in,out] Ascii Boolean value for indicating whether the file is
+ Ascii (TRUE) or UCS2 (FALSE).
+
+ @return The line of text from the file.
+
+ @sa ShellFileHandleReadLine
+**/
+CHAR16*
+EFIAPI
+ShellFileHandleReturnLine(
+ IN SHELL_FILE_HANDLE Handle,
+ IN OUT BOOLEAN *Ascii
+ )
+{
+ CHAR16 *RetVal;
+ UINTN Size;
+ EFI_STATUS Status;
+
+ Size = 0;
+ RetVal = NULL;
+
+ Status = ShellFileHandleReadLine(Handle, RetVal, &Size, FALSE, Ascii);
+ if (Status == EFI_BUFFER_TOO_SMALL) {
+ RetVal = AllocateZeroPool(Size);
+ Status = ShellFileHandleReadLine(Handle, RetVal, &Size, FALSE, Ascii);
+ }
+ ASSERT_EFI_ERROR(Status);
+ if (EFI_ERROR(Status) && (RetVal != NULL)) {
+ FreePool(RetVal);
+ RetVal = NULL;
+ }
+ return (RetVal);
+}
+
+/**
+ Function to read a single line (up to but not including the \n) from a SHELL_FILE_HANDLE.
+
+ If the position upon start is 0, then the Ascii Boolean will be set. This should be
+ maintained and not changed for all operations with the same file.
+
+ @param[in] Handle SHELL_FILE_HANDLE to read from.
+ @param[in,out] Buffer The pointer to buffer to read into.
+ @param[in,out] Size The pointer to number of bytes in Buffer.
+ @param[in] Truncate If the buffer is large enough, this has no effect.
+ If the buffer is is too small and Truncate is TRUE,
+ the line will be truncated.
+ If the buffer is is too small and Truncate is FALSE,
+ then no read will occur.
+
+ @param[in,out] Ascii Boolean value for indicating whether the file is
+ Ascii (TRUE) or UCS2 (FALSE).
+
+ @retval EFI_SUCCESS The operation was successful. The line is stored in
+ Buffer.
+ @retval EFI_INVALID_PARAMETER Handle was NULL.
+ @retval EFI_INVALID_PARAMETER Size was NULL.
+ @retval EFI_BUFFER_TOO_SMALL Size was not large enough to store the line.
+ Size was updated to the minimum space required.
+**/
+EFI_STATUS
+EFIAPI
+ShellFileHandleReadLine(
+ IN SHELL_FILE_HANDLE Handle,
+ IN OUT CHAR16 *Buffer,
+ IN OUT UINTN *Size,
+ IN BOOLEAN Truncate,
+ IN OUT BOOLEAN *Ascii
+ )
+{
+ EFI_STATUS Status;
+ CHAR16 CharBuffer;
+ UINTN CharSize;
+ UINTN CountSoFar;
+ UINT64 OriginalFilePosition;
+
+
+ if (Handle == NULL
+ ||Size == NULL
+ ){
+ return (EFI_INVALID_PARAMETER);
+ }
+ if (Buffer == NULL) {
+ ASSERT(*Size == 0);
+ } else {
+ *Buffer = CHAR_NULL;
+ }
+ gEfiShellProtocol->GetFilePosition(Handle, &OriginalFilePosition);
+ if (OriginalFilePosition == 0) {
+ CharSize = sizeof(CHAR16);
+ Status = gEfiShellProtocol->ReadFile(Handle, &CharSize, &CharBuffer);
+ ASSERT_EFI_ERROR(Status);
+ if (CharBuffer == gUnicodeFileTag) {
+ *Ascii = FALSE;
+ } else {
+ *Ascii = TRUE;
+ gEfiShellProtocol->SetFilePosition(Handle, OriginalFilePosition);
+ }
+ }
+
+ for (CountSoFar = 0;;CountSoFar++){
+ CharBuffer = 0;
+ if (*Ascii) {
+ CharSize = sizeof(CHAR8);
+ } else {
+ CharSize = sizeof(CHAR16);
+ }
+ Status = gEfiShellProtocol->ReadFile(Handle, &CharSize, &CharBuffer);
+ if ( EFI_ERROR(Status)
+ || CharSize == 0
+ || (CharBuffer == L'\n' && !(*Ascii))
+ || (CharBuffer == '\n' && *Ascii)
+ ){
+ break;
+ }
+ //
+ // if we have space save it...
+ //
+ if ((CountSoFar+1)*sizeof(CHAR16) < *Size){
+ ASSERT(Buffer != NULL);
+ ((CHAR16*)Buffer)[CountSoFar] = CharBuffer;
+ ((CHAR16*)Buffer)[CountSoFar+1] = CHAR_NULL;
+ }
+ }
+
+ //
+ // if we ran out of space tell when...
+ //
+ if ((CountSoFar+1)*sizeof(CHAR16) > *Size){
+ *Size = (CountSoFar+1)*sizeof(CHAR16);
+ if (!Truncate) {
+ gEfiShellProtocol->SetFilePosition(Handle, OriginalFilePosition);
+ } else {
+ DEBUG((DEBUG_WARN, "The line was truncated in ShellFileHandleReadLine"));
+ }
+ return (EFI_BUFFER_TOO_SMALL);
+ }
+ while(Buffer[StrLen(Buffer)-1] == L'\r') {
+ Buffer[StrLen(Buffer)-1] = CHAR_NULL;
+ }
+
+ return (Status);
+}