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Nrush authored 2019-10-29 15:38 . .
/**
* @file ansi.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.h"
#include "stdio.h"
ansi_st nr_ansi;
const char nr_ansi_in_cmd[] = {'m','I','A','B','C','D','X','K','M','P','J','@','L','l','h','n','H','s','u','\0'};
void (* const nr_ansi_in_cmd_fun[])(ansi_st*)=
{
nr_ansi_in_m_function,
nr_ansi_in_I_function,
nr_ansi_in_A_function,
nr_ansi_in_B_function,
nr_ansi_in_C_function,
nr_ansi_in_D_function,
nr_ansi_in_X_function,
nr_ansi_in_K_function,
nr_ansi_in_M_function,
nr_ansi_in_P_function,
nr_ansi_in_J_function,
nr_ansi_in_at_function,
nr_ansi_in_L_function,
nr_ansi_in_l_function,
nr_ansi_in_h_function,
nr_ansi_in_n_function,
nr_ansi_in_H_function,
nr_ansi_in_s_function,
nr_ansi_in_u_function
};
const char nr_ansi_in_special_symbol[] = {'\b','\n','\r','\t','\0'};
void (* const nr_ansi_in_special_symbol_fun[])(ansi_st*) =
{
nr_ansi_in_bsb_function,
nr_ansi_in_bsn_function,
nr_ansi_in_bsr_function,
nr_ansi_in_bst_function
};
int ansi_search_char(char x,const char* buf)
{
int i = 0;
for(i = 0;(buf[i] != x) && (buf[i] != '\0');i++);
if(buf[i] != '\0')
{
return i;
}
else
{
return -1;
}
}
enum
{
ANSI_NO_CTRL_CHAR,
ANSI_WAIT_CTRL_CHAR_END,
};
void ansi_init(ansi_st* ansi)
{
ansi->counter = 0;
ansi->p = -1;
ansi->current_line[ansi->counter] = '\0';
ansi->cmd_num = 0;
ansi->combine_state = ANSI_NO_CTRL_CHAR;
}
void ansi_clear_current_line(ansi_st* ansi)
{
ansi->counter = 0;
ansi->p = -1;
ansi->current_line[ansi->counter] = '\0';
}
char ansi_get_char(char x,ansi_st* ansi)
{
int i;
int cmd_id = -1;
if(ansi->combine_state == ANSI_NO_CTRL_CHAR)
{
cmd_id = ansi_search_char(x,nr_ansi_in_special_symbol);
if(cmd_id >= 0)
{
if(nr_ansi_in_special_symbol_fun[cmd_id] != NULL)
{
nr_ansi_in_special_symbol_fun[cmd_id](ansi);
}
}
else if (x == '\033')
{
ansi->combine_state = ANSI_WAIT_CTRL_CHAR_END;
ansi->combine_buf[ansi->cmd_num] = x;
}
else
{
if(ansi->counter < NR_ANSI_LINE_SIZE - 2)
{
if(ansi->p < ansi->counter)
{
for(i = ansi->counter;i > ansi->p;i--)
{
ansi->current_line[i] = ansi->current_line[i-1];
}
}
ansi->p++;
ansi->counter++;
ansi->current_line[ansi->p] = x;
ansi->current_line[ansi->counter] = '\0';
ansi_show_char(x);
}
else
{
ansi->counter = NR_ANSI_LINE_SIZE - 3;
if(ansi->p >= ansi->counter)
{
ansi->p = ansi->counter-1;
}
ansi->current_line[ansi->counter] = '\0';
}
}
}
else if(ansi->combine_state == ANSI_WAIT_CTRL_CHAR_END)
{
ansi->combine_buf[ansi->cmd_num] = x;
if(('a' <= x && 'z' >= x) || ('A' <= x && 'Z' >= x))
{
cmd_id = ansi_search_char(x,nr_ansi_in_cmd);
nr_ansi_in_cmd_fun[cmd_id](ansi);
ansi->cmd_num = 0;
ansi->combine_state = ANSI_NO_CTRL_CHAR;
}
else if(ansi->cmd_num > 18)
{
ansi->cmd_num = 0;
ansi->combine_state = ANSI_NO_CTRL_CHAR;
}
else
{
ansi->cmd_num++;
}
}
else
{
ansi->combine_state = ANSI_NO_CTRL_CHAR;
}
return x;
}
/******************* (C) COPYRIGHT 2019 Ji Youzhou *****END OF FILE*****************/

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