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Nrush authored 2019-10-29 15:38 . .
/**
* @file ansi_port.c
* @author Ji Youzhou
* @version V0.1
* @date 28 Oct 2019
* @brief [brief]
* *****************************************************************************
* @attention
*
* MIT License
*
* Copyright (C) 2019 Ji Youzhou. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
/* Includes ------------------------------------------------------------------*/
#include "ansi_port.h"
#include "ansi.h"
#include "stdio.h"
#include "nr_micro_shell.h"
#include "string.h"
// show string
void ansi_show_str(char *str, unsigned int len)
{
unsigned int i;
for (i = 0; i < len; i++)
{
ansi_show_char(str[i]);
}
}
void nr_ansi_ctrl_common_slover(ansi_st *ansi)
{
unsigned int i;
for (i = 0; i < ansi->cmd_num; i++)
{
ansi_show_char((*(ansi->combine_buf + i)));
}
}
// line break '\n' processing
void nr_ansi_in_newline(ansi_st *ansi)
{
ansi->p = -1;
ansi->counter = 0;
nr_shell.cmd_his.index = (nr_shell.cmd_his.len > 0) ? 1 : 0;
ansi_show_char('\r');
ansi_show_char('\n');
}
// Backspace '\b' processing
void nr_ansi_in_backspace(ansi_st *ansi)
{
unsigned int i;
if (ansi->p >= 0)
{
for (i = ansi->p; i < ansi->counter; i++)
{
ansi->current_line[i] = ansi->current_line[i + 1];
}
ansi->p--;
ansi->counter--;
ansi_show_char('\b');
shell_printf(NR_ANSI_CLR_R_MV_L_NCHAR(1));
}
}
// up key processing
void nr_ansi_in_up(ansi_st *ansi)
{
if (nr_shell.cmd_his.index > 0)
{
nr_shell.cmd_his.index++;
nr_shell.cmd_his.index = (nr_shell.cmd_his.index > nr_shell.cmd_his.len) ? 1 : nr_shell.cmd_his.index;
shell_printf("\033[%dD", ansi->p + 1);
shell_printf(NR_ANSI_CLEAR_RIGHT);
shell_his_copy_queue_item(&nr_shell.cmd_his, nr_shell.cmd_his.index, ansi->current_line);
ansi->counter = strlen(ansi->current_line);
ansi->p = ansi->counter - 1;
ansi_show_str(ansi->current_line, ansi->counter);
}
}
// down key processing
void nr_ansi_in_down(ansi_st *ansi)
{
if (nr_shell.cmd_his.index > 0)
{
nr_shell.cmd_his.index--;
nr_shell.cmd_his.index = (nr_shell.cmd_his.index == 0) ? nr_shell.cmd_his.len : nr_shell.cmd_his.index;
shell_printf("\033[%dD", ansi->p + 1);
shell_printf(NR_ANSI_CLEAR_RIGHT);
shell_his_copy_queue_item(&nr_shell.cmd_his, nr_shell.cmd_his.index, ansi->current_line);
ansi->counter = strlen(ansi->current_line);
ansi->p = ansi->counter - 1;
ansi_show_str(ansi->current_line, ansi->counter);
}
}
// left key <- processing
void nr_ansi_in_left(ansi_st *ansi)
{
if (ansi->p > -1)
{
ansi->p--;
shell_printf("\033[1D");
}
}
// right key <- processing
void nr_ansi_in_right(ansi_st *ansi)
{
if (ansi->p < (int)(ansi->counter - 1) )
{
ansi->p++;
shell_printf("\033[1C");
}
}
// tab key processing
void nr_ansi_in_tab(ansi_st *ansi)
{
char *cmd;
cmd = shell_cmd_complete(&nr_shell, ansi->current_line);
if (cmd != NULL && ansi->counter > 0)
{
shell_printf("\033[%dD", ansi->p + 1);
shell_printf(NR_ANSI_CLEAR_RIGHT);
ansi->counter = strlen(cmd);
ansi->p = ansi->counter - 1;
strcpy(ansi->current_line, cmd);
ansi_show_str(ansi->current_line, ansi->counter);
}
}
/******************* (C) COPYRIGHT 2019 Ji Youzhou *****END OF FILE*****************/

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