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https://github.com/reactos/reactos.git
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[SACDRV]: Implement VTUTF8ChannelOWrite2. Time to try out the !SAC on VT-UTF8 mode now.
svn path=/trunk/; revision=59828
This commit is contained in:
Alex Ionescu
parent
93883d01d6
commit
aa7497361a
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@ -305,86 +305,115 @@ ProcessString:
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switch (Action)
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{
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case SacCursorUp:
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/* Check if we are scrolling too high */
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if (Channel->CursorRow < Number)
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{
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/* Reset the row to the top */
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Channel->CursorRow = 0;
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}
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else
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{
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/* We're fine -- scroll up by that much */
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Channel->CursorRow -= Number;
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}
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/* All done */
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VTUTF8ChannelAssertCursor(Channel);
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break;
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case SacCursorDown:
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/* Check if we are scrolling too low */
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if (Channel->CursorRow >= SAC_VTUTF8_ROW_HEIGHT)
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{
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/* Reset the row to the bottom */
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Channel->CursorRow = SAC_VTUTF8_ROW_HEIGHT;
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}
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else
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{
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/* We're fine -- scroll down by that much */
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Channel->CursorRow += Number;
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}
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/* All done */
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VTUTF8ChannelAssertCursor(Channel);
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break;
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case SacCursorLeft:
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/* Check if we're scrolling too much to the left */
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if (Channel->CursorCol < Number)
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{
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/* Reset the column to the left-most margin */
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Channel->CursorCol = 0;
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}
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else
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{
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/* We're fine -- scroll left by that much */
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Channel->CursorCol -= Number;
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}
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/* All done */
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VTUTF8ChannelAssertCursor(Channel);
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break;
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case SacCursorRight:
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/* Check if we're scrolling too much to the right */
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if (Channel->CursorCol >= SAC_VTUTF8_COL_WIDTH)
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{
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/* Reset the column to the right-most margin */
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Channel->CursorCol = SAC_VTUTF8_COL_WIDTH;
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}
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else
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{
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/* We're fine -- scroll right by that much */
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Channel->CursorCol += Number;
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}
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/* All done */
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VTUTF8ChannelAssertCursor(Channel);
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break;
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case SacFontNormal:
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/* Reset the cursor attributes */
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Channel->CursorFlags = 0;
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Channel->CursorBackColor = SetBackColorBlack;
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Channel->CursorColor = SetColorWhite;
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break;
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case SacFontBlink:
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/* Set the appropriate flag */
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Channel->CursorFlags |= SAC_CURSOR_FLAG_BLINK;
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break;
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case SacFontBlinkOff:
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/* Clear the appropriate flag */
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Channel->CursorFlags &= ~SAC_CURSOR_FLAG_BLINK;
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break;
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case SacFontBold:
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/* Set the appropriate flag */
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Channel->CursorFlags |= SAC_CURSOR_FLAG_BOLD;
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break;
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case SacFontBoldOff:
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/* Clear the appropriate flag */
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Channel->CursorFlags &= ~SAC_CURSOR_FLAG_BOLD;
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break;
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case SacFontInverse:
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/* Set the appropriate flag */
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Channel->CursorFlags |= SAC_CURSOR_FLAG_INVERTED;
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break;
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case SacFontInverseOff:
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/* Clear the appropriate flag */
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Channel->CursorFlags &= ~SAC_CURSOR_FLAG_INVERTED;
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break;
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case SacEraseEndOfLine:
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/* Loop all columns in this line past the current position */
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for (i = Channel->CursorCol; i < SAC_VTUTF8_COL_WIDTH; i++)
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{
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/* Replace everything after the current position with blanks */
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Cursor[(Channel->CursorRow * SAC_VTUTF8_COL_WIDTH) +
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(i * SAC_VTUTF8_ROW_HEIGHT)].CursorFlags = Channel->CursorFlags;
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Cursor[(Channel->CursorRow * SAC_VTUTF8_COL_WIDTH) +
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@ -397,8 +426,10 @@ ProcessString:
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break;
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case SacEraseStartOfLine:
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/* Loop all columns in this line, before the current position */
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for (i = 0; i < (Channel->CursorCol + 1); i++)
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{
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/* Replace everything after the current position with blanks */
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Cursor[(Channel->CursorRow * SAC_VTUTF8_COL_WIDTH) +
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(i * SAC_VTUTF8_ROW_HEIGHT)].CursorFlags = Channel->CursorFlags;
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Cursor[(Channel->CursorRow * SAC_VTUTF8_COL_WIDTH) +
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@ -411,8 +442,10 @@ ProcessString:
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break;
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case SacEraseLine:
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/* Loop all the columns in this line */
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for (i = 0; i < SAC_VTUTF8_COL_WIDTH; i++)
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{
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/* Replace them all with blanks */
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Cursor[(Channel->CursorRow * SAC_VTUTF8_COL_WIDTH) +
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(i * SAC_VTUTF8_ROW_HEIGHT)].CursorFlags = Channel->CursorFlags;
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Cursor[(Channel->CursorRow * SAC_VTUTF8_COL_WIDTH) +
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@ -445,24 +478,30 @@ ProcessString:
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break;
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case SacSetColors:
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/* Set the cursor colors */
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Channel->CursorColor = Number;
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Channel->CursorBackColor = Number2;
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break;
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case SacSetBackgroundColor:
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/* Set the cursor back color */
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Channel->CursorBackColor = Number;
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break;
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case SacSetFontColor:
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/* Set the cursor text color */
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Channel->CursorColor = Number;
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break;
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case SacSetColorsAndAttributes:
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/* Set the cursor flag and colors */
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Channel->CursorFlags = Number;
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Channel->CursorColor = Number2;
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Channel->CursorBackColor = Number3;
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break;
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default:
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/* Unknown, do nothing */
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break;
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}
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@ -549,16 +588,16 @@ VTUTF8ChannelORead(IN PSAC_CHANNEL Channel,
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IN ULONG BufferSize,
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OUT PULONG ByteCount)
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{
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ASSERT(FALSE);
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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NTAPI
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VTUTF8ChannelOFlush(
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IN PSAC_CHANNEL Channel
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)
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VTUTF8ChannelOFlush(IN PSAC_CHANNEL Channel)
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{
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return STATUS_NOT_IMPLEMENTED;
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ASSERT(FALSE);
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS
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@ -567,7 +606,156 @@ VTUTF8ChannelOWrite2(IN PSAC_CHANNEL Channel,
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IN PCHAR String,
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IN ULONG Size)
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{
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return STATUS_NOT_IMPLEMENTED;
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PSAC_CURSOR_DATA Cursor;
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ULONG i, EscapeSize, R, C;
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PWSTR pwch;
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CHECK_PARAMETER1(Channel);
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CHECK_PARAMETER2(String);
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VTUTF8ChannelAssertCursor(Channel);
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/* Loop every character */
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Cursor = (PSAC_CURSOR_DATA)Channel->OBuffer;
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for (i = 0; i < Size; i++)
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{
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/* Check what the character is */
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pwch = (PWSTR)&String[i];
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switch (*pwch)
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{
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/* It's an escape sequence... */
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case L'\x1B':
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/* Send it to the parser, see how long the sequence was */
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EscapeSize = VTUTF8ChannelConsumeEscapeSequence(Channel, pwch);
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if (EscapeSize)
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{
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/* Consume that many characters for next time*/
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i += EscapeSize - 1;
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}
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else
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{
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/* Invalid escape sequence, skip just the ESC character */
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i++;
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}
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/* Keep going*/
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break;
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/* It's a line feed */
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case L'\n':
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/* Simply reset the column to zero on the current line */
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Channel->CursorCol = 0;
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break;
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/* It's a carriage feed */
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case L'\r':
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/* Move to the next row */
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Channel->CursorRow++;
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/* Check if we hit the last row on the screen */
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if (Channel->CursorRow >= SAC_VTUTF8_ROW_HEIGHT)
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{
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/* Go over every row before the last one */
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for (R = 0; R < (SAC_VTUTF8_ROW_HEIGHT - 1); R++)
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{
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/* Sanity check, since we always copy one row below */
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ASSERT((R + 1) < SAC_VTUTF8_ROW_HEIGHT);
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/* Loop every character on the row */
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for (C = 0; C < SAC_VTUTF8_COL_WIDTH; C++)
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{
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/* And replace it with one from the row below */
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Cursor[(R * SAC_VTUTF8_COL_WIDTH) +
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(C * SAC_VTUTF8_ROW_HEIGHT)] =
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Cursor[((R + 1)* SAC_VTUTF8_COL_WIDTH) +
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(C * SAC_VTUTF8_ROW_HEIGHT)];
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}
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}
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/* Now we're left with the before-last row, zero it out */
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ASSERT(R == (SAC_VTUTF8_ROW_HEIGHT - 1));
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RtlZeroMemory(&Cursor[SAC_VTUTF8_COL_WIDTH * R],
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sizeof(SAC_CURSOR_DATA) * SAC_VTUTF8_COL_WIDTH);
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/* Reset the row back by one */
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Channel->CursorRow--;
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VTUTF8ChannelAssertCursor(Channel);
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}
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break;
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/* It's a TAB character */
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case L'\t':
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/* Loop the remaining characters until a multiple of 4 */
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VTUTF8ChannelAssertCursor(Channel);
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for (C = (4 - Channel->CursorCol % 4); C; C--)
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{
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/* Fill each remaining character with a space */
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VTUTF8ChannelAssertCursor(Channel);
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Cursor[(SAC_VTUTF8_COL_WIDTH * Channel->CursorRow) +
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(SAC_VTUTF8_ROW_HEIGHT * Channel->CursorCol)].CursorFlags = Channel->CursorFlags;
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Cursor[(SAC_VTUTF8_COL_WIDTH * Channel->CursorRow) +
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(SAC_VTUTF8_ROW_HEIGHT * Channel->CursorCol)].CursorBackColor = Channel->CursorBackColor;
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Cursor[(SAC_VTUTF8_COL_WIDTH * Channel->CursorRow) +
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(SAC_VTUTF8_ROW_HEIGHT * Channel->CursorCol)].CursorColor = Channel->CursorColor;
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Cursor[(SAC_VTUTF8_COL_WIDTH * Channel->CursorRow) +
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(SAC_VTUTF8_ROW_HEIGHT * Channel->CursorCol)].CursorValue = ' ';
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/* Move to the next character position, but don't overflow */
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Channel->CursorCol++;
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if (Channel->CursorCol >= SAC_VTUTF8_COL_WIDTH)
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{
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Channel->CursorCol = SAC_VTUTF8_COL_WIDTH - 1;
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}
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}
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/* All done, move to the next one */
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VTUTF8ChannelAssertCursor(Channel);
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break;
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/* It's a backspace or delete character */
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case L'\b':
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case L'\x7F':
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/* Move back one character, unless we had nothing typed */
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if (Channel->CursorCol) Channel->CursorCol--;
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VTUTF8ChannelAssertCursor(Channel);
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break;
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/* It's some other character */
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default:
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/* Is it non-printable? Ignore it and keep parsing */
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if (*pwch < L' ') continue;
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/* Otherwise, print it out with the current attributes */
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VTUTF8ChannelAssertCursor(Channel);
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Cursor[(SAC_VTUTF8_COL_WIDTH * Channel->CursorRow) +
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(SAC_VTUTF8_ROW_HEIGHT * Channel->CursorCol)].CursorFlags = Channel->CursorFlags;
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Cursor[(SAC_VTUTF8_COL_WIDTH * Channel->CursorRow) +
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(SAC_VTUTF8_ROW_HEIGHT * Channel->CursorCol)].CursorBackColor = Channel->CursorBackColor;
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Cursor[(SAC_VTUTF8_COL_WIDTH * Channel->CursorRow) +
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(SAC_VTUTF8_ROW_HEIGHT * Channel->CursorCol)].CursorColor = Channel->CursorColor;
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Cursor[(SAC_VTUTF8_COL_WIDTH * Channel->CursorRow) +
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(SAC_VTUTF8_ROW_HEIGHT * Channel->CursorCol)].CursorValue = *pwch;
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/* Move forward one character, but make sure not to overflow */
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Channel->CursorCol++;
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if (Channel->CursorCol == SAC_VTUTF8_COL_WIDTH)
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{
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Channel->CursorCol = SAC_VTUTF8_COL_WIDTH - 1;
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}
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/* All done, move to the next one */
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VTUTF8ChannelAssertCursor(Channel);
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break;
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}
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}
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/* Parsing of the input string completed -- string was written */
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VTUTF8ChannelAssertCursor(Channel);
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return STATUS_SUCCESS;
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}
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NTSTATUS
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