diff options
| author | jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-03-25 21:15:07 +0000 |
|---|---|---|
| committer | jcarsey <jcarsey@6f19259b-4bc3-4df7-8a09-765794883524> | 2011-03-25 21:15:07 +0000 |
| commit | 632820d1cf1ce7a18ef354255eaeae6fdbf383b9 (patch) | |
| tree | 4bae0e4268fdf79eb2f3aa8035b413c95cb28f10 /ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/Misc.c | |
| parent | 5a0fe66eda4a187724b0eb9d660ab21296178af5 (diff) | |
| download | edk2-platforms-632820d1cf1ce7a18ef354255eaeae6fdbf383b9.tar.xz | |
add Edit and HexEdit commands.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11436 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/Misc.c')
| -rw-r--r-- | ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/Misc.c | 541 |
1 files changed, 541 insertions, 0 deletions
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/Misc.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/Misc.c new file mode 100644 index 0000000000..8ae21450c4 --- /dev/null +++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/HexEdit/Misc.c @@ -0,0 +1,541 @@ +/** @file
+ Implementation of various string and line routines
+
+ Copyright (c) 2005 - 2011, 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 "HexEditor.h"
+
+extern BOOLEAN HEditorMouseAction;
+
+VOID
+HEditorClearLine (
+ IN UINTN Row
+ )
+/*++
+
+Routine Description:
+
+ Clear line at Row
+
+Arguments:
+
+ Row -- row number to be cleared ( start from 1 )
+
+Returns:
+
+ EFI_SUCCESS
+
+--*/
+{
+ CHAR16 Line[200];
+ UINTN Index;
+ UINTN Limit;
+ UINTN StartCol;
+
+ if (HEditorMouseAction) {
+ Limit = 3 * 0x10;
+ StartCol = 10;
+ } else {
+ Limit = HMainEditor.ScreenSize.Column;
+ StartCol = 1;
+ }
+ //
+ // prepare a blank line
+ //
+ for (Index = 0; Index < Limit; Index++) {
+ Line[Index] = ' ';
+ }
+
+ if (Row == HMainEditor.ScreenSize.Row && Limit == HMainEditor.ScreenSize.Column) {
+ //
+ // if '\0' is still at position 80, it will cause first line error
+ //
+ Line[Limit - 1] = '\0';
+ } else {
+ Line[Limit] = '\0';
+ }
+ //
+ // print out the blank line
+ //
+ ShellPrintEx ((INT32)StartCol - 1, (INT32)Row - 1, Line);
+}
+
+HEFI_EDITOR_LINE *
+HLineDup (
+ IN HEFI_EDITOR_LINE *Src
+ )
+/*++
+
+Routine Description:
+
+ Duplicate a line
+
+Arguments:
+
+ Src -- line to be duplicated
+
+Returns:
+
+ NULL -- wrong
+ Not NULL -- line created
+
+--*/
+{
+ HEFI_EDITOR_LINE *Dest;
+
+ //
+ // allocate for the line structure
+ //
+ Dest = AllocateZeroPool (sizeof (HEFI_EDITOR_LINE));
+ if (Dest == NULL) {
+ return NULL;
+ }
+
+ Dest->Signature = EFI_EDITOR_LINE_LIST;
+ Dest->Size = Src->Size;
+
+ CopyMem (Dest->Buffer, Src->Buffer, 0x10);
+
+ Dest->Link = Src->Link;
+
+ return Dest;
+}
+
+VOID
+HLineFree (
+ IN HEFI_EDITOR_LINE *Src
+ )
+/*++
+
+Routine Description:
+
+ Free a line and it's internal buffer
+
+Arguments:
+
+ Src -- line to be freed
+
+Returns:
+
+ None
+
+--*/
+{
+ if (Src == NULL) {
+ return ;
+ }
+
+ SHELL_FREE_NON_NULL (Src);
+
+}
+
+HEFI_EDITOR_LINE *
+_HLineAdvance (
+ IN UINTN Count
+ )
+/*++
+
+Routine Description:
+
+ Advance to the next Count lines
+
+Arguments:
+
+ Count -- line number to advance
+
+Returns:
+
+ NULL -- wrong
+ Not NULL -- line after advance
+
+--*/
+{
+ UINTN Index;
+ HEFI_EDITOR_LINE *Line;
+
+ Line = HMainEditor.BufferImage->CurrentLine;
+ if (Line == NULL) {
+ return NULL;
+ }
+
+ for (Index = 0; Index < Count; Index++) {
+ //
+ // if already last line
+ //
+ if (Line->Link.ForwardLink == HMainEditor.BufferImage->ListHead) {
+ return NULL;
+ }
+
+ Line = CR (Line->Link.ForwardLink, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);
+ }
+
+ return Line;
+}
+
+HEFI_EDITOR_LINE *
+_HLineRetreat (
+ IN UINTN Count
+ )
+/*++
+
+Routine Description:
+
+ Retreat to the previous Count lines
+
+Arguments:
+
+ Count -- line number to retreat
+
+Returns:
+
+ NULL -- wrong
+ Not NULL -- line after retreat
+
+--*/
+{
+ UINTN Index;
+ HEFI_EDITOR_LINE *Line;
+
+ Line = HMainEditor.BufferImage->CurrentLine;
+ if (Line == NULL) {
+ return NULL;
+ }
+
+ for (Index = 0; Index < Count; Index++) {
+ //
+ // already the first line
+ //
+ if (Line->Link.BackLink == HMainEditor.BufferImage->ListHead) {
+ return NULL;
+ }
+
+ Line = CR (Line->Link.BackLink, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);
+ }
+
+ return Line;
+}
+
+HEFI_EDITOR_LINE *
+HMoveLine (
+ IN INTN Count
+ )
+/*++
+
+Routine Description:
+
+ Advance/Retreat lines
+
+Arguments:
+
+ Count -- line number to advance/retreat
+ >0 : advance
+ <0: retreat
+
+Returns:
+
+ NULL -- wrong
+ Not NULL -- line after advance
+
+--*/
+{
+ HEFI_EDITOR_LINE *Line;
+ UINTN AbsCount;
+
+ //
+ // difference with MoveCurrentLine
+ // just return Line
+ // do not set currentline to Line
+ //
+ if (Count <= 0) {
+ AbsCount = -Count;
+ Line = _HLineRetreat (AbsCount);
+ } else {
+ Line = _HLineAdvance (Count);
+ }
+
+ return Line;
+}
+
+HEFI_EDITOR_LINE *
+HMoveCurrentLine (
+ IN INTN Count
+ )
+/*++
+
+Routine Description:
+
+ Advance/Retreat lines and set CurrentLine in BufferImage to it
+
+Arguments:
+
+ Count -- line number to advance/retreat
+ >0 : advance
+ <0: retreat
+
+Returns:
+
+ NULL -- wrong
+ Not NULL -- line after advance
+
+
+--*/
+{
+ HEFI_EDITOR_LINE *Line;
+ UINTN AbsCount;
+
+ //
+ // <0: retreat
+ // >0: advance
+ //
+ if (Count <= 0) {
+ AbsCount = -Count;
+ Line = _HLineRetreat (AbsCount);
+ } else {
+ Line = _HLineAdvance (Count);
+ }
+
+ if (Line == NULL) {
+ return NULL;
+ }
+
+ HMainEditor.BufferImage->CurrentLine = Line;
+
+ return Line;
+}
+
+
+EFI_STATUS
+HFreeLines (
+ IN LIST_ENTRY *ListHead,
+ IN HEFI_EDITOR_LINE *Lines
+ )
+/*++
+
+Routine Description:
+
+ Free all the lines in HBufferImage
+ Fields affected:
+ Lines
+ CurrentLine
+ NumLines
+ ListHead
+
+Arguments:
+
+ ListHead - The list head
+ Lines - The lines
+
+Returns:
+
+ EFI_SUCCESS
+
+--*/
+{
+ LIST_ENTRY *Link;
+ HEFI_EDITOR_LINE *Line;
+
+ //
+ // release all the lines
+ //
+ if (Lines != NULL) {
+
+ Line = Lines;
+ Link = &(Line->Link);
+ do {
+ Line = CR (Link, HEFI_EDITOR_LINE, Link, EFI_EDITOR_LINE_LIST);
+ Link = Link->ForwardLink;
+ HLineFree (Line);
+ } while (Link != ListHead);
+ }
+
+ ListHead->ForwardLink = ListHead;
+ ListHead->BackLink = ListHead;
+
+ return EFI_SUCCESS;
+}
+
+UINTN
+HStrStr (
+ IN CHAR16 *Str,
+ IN CHAR16 *Pat
+ )
+/*++
+
+Routine Description:
+
+ Search Pat in Str
+
+Arguments:
+
+ Str -- mother string
+ Pat -- search pattern
+
+
+Returns:
+
+ 0 : not found
+ >= 1 : found position + 1
+
+--*/
+{
+ INTN *Failure;
+ INTN i;
+ INTN j;
+ INTN Lenp;
+ INTN Lens;
+
+ //
+ // this function copies from some lib
+ //
+ Lenp = StrLen (Pat);
+ Lens = StrLen (Str);
+
+ Failure = AllocateZeroPool (Lenp * sizeof (INTN));
+ Failure[0] = -1;
+ for (j = 1; j < Lenp; j++) {
+ i = Failure[j - 1];
+ while ((Pat[j] != Pat[i + 1]) && (i >= 0)) {
+ i = Failure[i];
+ }
+
+ if (Pat[j] == Pat[i + 1]) {
+ Failure[j] = i + 1;
+ } else {
+ Failure[j] = -1;
+ }
+ }
+
+ i = 0;
+ j = 0;
+ while (i < Lens && j < Lenp) {
+ if (Str[i] == Pat[j]) {
+ i++;
+ j++;
+ } else if (j == 0) {
+ i++;
+ } else {
+ j = Failure[j - 1] + 1;
+ }
+ }
+
+ FreePool (Failure);
+
+ //
+ // 0: not found
+ // >=1 : found position + 1
+ //
+ return ((j == Lenp) ? (i - Lenp) : -1) + 1;
+
+}
+
+INT32
+HGetTextX (
+ IN INT32 GuidX
+ )
+{
+ INT32 Gap;
+
+ HMainEditor.MouseAccumulatorX += GuidX;
+ Gap = (HMainEditor.MouseAccumulatorX * (INT32) HMainEditor.ScreenSize.Column) / (INT32) (50 * (INT32) HMainEditor.MouseInterface->Mode->ResolutionX);
+ HMainEditor.MouseAccumulatorX = (HMainEditor.MouseAccumulatorX * (INT32) HMainEditor.ScreenSize.Column) % (INT32) (50 * (INT32) HMainEditor.MouseInterface->Mode->ResolutionX);
+ HMainEditor.MouseAccumulatorX = HMainEditor.MouseAccumulatorX / (INT32) HMainEditor.ScreenSize.Column;
+ return Gap;
+}
+
+INT32
+HGetTextY (
+ IN INT32 GuidY
+ )
+{
+ INT32 Gap;
+
+ HMainEditor.MouseAccumulatorY += GuidY;
+ Gap = (HMainEditor.MouseAccumulatorY * (INT32) HMainEditor.ScreenSize.Row) / (INT32) (50 * (INT32) HMainEditor.MouseInterface->Mode->ResolutionY);
+ HMainEditor.MouseAccumulatorY = (HMainEditor.MouseAccumulatorY * (INT32) HMainEditor.ScreenSize.Row) % (INT32) (50 * (INT32) HMainEditor.MouseInterface->Mode->ResolutionY);
+ HMainEditor.MouseAccumulatorY = HMainEditor.MouseAccumulatorY / (INT32) HMainEditor.ScreenSize.Row;
+
+ return Gap;
+}
+
+EFI_STATUS
+HXtoi (
+ IN CHAR16 *Str,
+ OUT UINTN *Value
+ )
+/*++
+Routine Description:
+
+ convert hex string to uint
+
+Arguments:
+
+ Str - The string
+ Value - The value
+
+Returns:
+
+
+--*/
+{
+ UINT64 u;
+ CHAR16 c;
+ UINTN Size;
+
+ Size = sizeof (UINTN);
+
+ //
+ // skip leading white space
+ //
+ while (*Str && *Str == ' ') {
+ Str += 1;
+ }
+
+ if (StrLen (Str) > Size * 2) {
+ return EFI_LOAD_ERROR;
+ }
+ //
+ // convert hex digits
+ //
+ u = 0;
+ c = *Str;
+ while (c) {
+ c = *Str;
+ Str++;
+
+ if (c == 0) {
+ break;
+ }
+ //
+ // not valid char
+ //
+ if (!((c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F') || (c >= '0' && c <= '9') || (c == '\0'))) {
+ return EFI_LOAD_ERROR;
+ }
+
+ if (c >= 'a' && c <= 'f') {
+ c -= 'a' - 'A';
+ }
+
+ if ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F')) {
+ u = LShiftU64 (u, 4) + (c - (c >= 'A' ? 'A' - 10 : '0'));
+ } else {
+ //
+ // '\0'
+ //
+ break;
+ }
+ }
+
+ *Value = (UINTN) u;
+
+ return EFI_SUCCESS;
+}
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