112 lines
3.5 KiB
C
112 lines
3.5 KiB
C
/****************************************************************************
|
|
* Copyright 2018,2020 Thomas E. Dickey *
|
|
* Copyright 2009-2010,2012 Free Software Foundation, Inc. *
|
|
* *
|
|
* 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, distribute with modifications, 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 ABOVE 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. *
|
|
* *
|
|
* Except as contained in this notice, the name(s) of the above copyright *
|
|
* holders shall not be used in advertising or otherwise to promote the *
|
|
* sale, use or other dealings in this Software without prior written *
|
|
* authorization. *
|
|
****************************************************************************/
|
|
|
|
/*
|
|
* $Id: linedata.h,v 1.8 2020/02/02 23:34:34 tom Exp $
|
|
*
|
|
* Utility functions for reading a line of text from a file.
|
|
*/
|
|
#ifndef LINEDATA_H_incl
|
|
#define LINEDATA_H_incl 1
|
|
|
|
#include <test.priv.h>
|
|
|
|
#define isQUIT(c) ((c) == QUIT || (c) == ESCAPE)
|
|
|
|
#define key_RECUR CTRL('W')
|
|
#define key_NEWLINE CTRL('N')
|
|
#define key_BACKSPACE '\b'
|
|
|
|
static FILE *linedata;
|
|
|
|
static void
|
|
failed(const char *s)
|
|
{
|
|
perror(s);
|
|
ExitProgram(EXIT_FAILURE);
|
|
}
|
|
|
|
static void
|
|
init_linedata(const char *name)
|
|
{
|
|
if ((linedata = fopen(name, "r")) == 0) {
|
|
failed(name);
|
|
}
|
|
}
|
|
|
|
static int
|
|
read_linedata(WINDOW *work)
|
|
{
|
|
int result;
|
|
if (linedata != 0) {
|
|
result = fgetc(linedata);
|
|
if (result == EOF) {
|
|
fclose(linedata);
|
|
linedata = 0;
|
|
result = read_linedata(work);
|
|
} else {
|
|
wrefresh(work);
|
|
if (result == '\n') {
|
|
result = key_NEWLINE;
|
|
}
|
|
}
|
|
} else {
|
|
#ifdef WIDE_LINEDATA
|
|
wint_t ch;
|
|
int code;
|
|
|
|
result = ERR;
|
|
while ((code = wget_wch(work, &ch)) != ERR) {
|
|
|
|
if (code == KEY_CODE_YES) {
|
|
switch (ch) {
|
|
case KEY_DOWN:
|
|
result = key_NEWLINE;
|
|
break;
|
|
case KEY_BACKSPACE:
|
|
result = key_BACKSPACE;
|
|
break;
|
|
default:
|
|
beep();
|
|
continue;
|
|
}
|
|
} else {
|
|
result = (int) ch;
|
|
break;
|
|
}
|
|
}
|
|
#else
|
|
result = wgetch(work);
|
|
#endif
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#endif /* LINEDATA_H_incl */
|