56 lines
1.6 KiB
C
56 lines
1.6 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TD_SHELL_COMMAND_H_
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#define _TD_SHELL_COMMAND_H_
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#include "shell.h"
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#define LEFT 1
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#define RIGHT 2
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#define UP 3
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#define DOWN 4
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typedef struct Command Command;
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struct Command {
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char * buffer;
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char * command;
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unsigned commandSize;
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unsigned bufferSize;
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unsigned cursorOffset;
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unsigned screenOffset;
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unsigned endOffset;
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};
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extern void backspaceChar(Command *cmd);
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extern void clearLineBefore(Command *cmd);
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extern void clearLineAfter(Command *cmd);
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extern void deleteChar(Command *cmd);
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extern void moveCursorLeft(Command *cmd);
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extern void moveCursorRight(Command *cmd);
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extern void positionCursorHome(Command *cmd);
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extern void positionCursorEnd(Command *cmd);
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extern void showOnScreen(Command *cmd);
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extern void updateBuffer(Command *cmd);
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extern int isReadyGo(Command *cmd);
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extern void resetCommand(Command *cmd, const char s[]);
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int countPrefixOnes(unsigned char c);
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void clearScreen(int ecmd_pos, int cursor_pos);
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void printChar(char c, int times);
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void positionCursor(int step, int direction);
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#endif
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