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Add ASCII and VT100 header files

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4541 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-03-30 16:08:28 +00:00
parent 393713e778
commit 9f64e762e2
1 changed files with 13 additions and 17 deletions
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30
system/readline/readline.c
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@ -47,6 +47,9 @@
#include <errno.h>
#include <debug.h>
#include <nuttx/ascii.h>
#include <nuttx/vt100.h>
#include <apps/readline.h>
/****************************************************************************
@ -68,13 +71,6 @@
#undef CONFIG_EOL_IS_BOTH_CRLF
#define CONFIG_EOL_IS_EITHER_CRLF 1
/* Some special characters */
#define BS 0x08 /* Backspace */
#define ESC 0x1b /* Escape */
#define LBRACKET 0x5b /* Left bracket */
#define DEL 0x7f /* DEL */
/****************************************************************************
* Private Type Declarations
****************************************************************************/
@ -92,7 +88,7 @@
****************************************************************************/
/* <esc>[K is the VT100 command erases to the end of the line. */
static const char g_erasetoeol[] = "\033[K";
static const char g_erasetoeol[] = VT100_CLEAREOL;
/****************************************************************************
* Private Functions
@ -130,13 +126,13 @@ static inline void readline_consoleputc(int ch, int outfd)
#endif
/****************************************************************************
* Name: readline_consoleputs
* Name: readline_consolewrite
****************************************************************************/
#ifdef CONFIG_READLINE_ECHO
static inline void readline_consoleputs(FAR const char *str, int outfd)
static inline void readline_consolewrite(int outfd, FAR const char *buffer, size_t buflen)
{
(void)write(outfd, str, strlen(str));
(void)write(outfd, buffer, buflen);
}
#endif
@ -203,7 +199,7 @@ ssize_t readline(FAR char *buf, int buflen, FILE *instream, FILE *outstream)
/* <esc>[K is the VT100 command that erases to the end of the line. */
#ifdef CONFIG_READLINE_ECHO
readline_consoleputs(g_erasetoeol, outfd);
readline_consolewrite(outfd, g_erasetoeol, sizeof(g_erasetoeol));
#endif
/* Read characters until we have a full line. On each the loop we must
@ -226,7 +222,7 @@ ssize_t readline(FAR char *buf, int buflen, FILE *instream, FILE *outstream)
{
/* Yes, is it an <esc>[, 3 byte sequence */
if (ch != LBRACKET || escape == 2)
if (ch != ASCII_LBRACKET || escape == 2)
{
/* We are finished with the escape sequence */
@ -254,7 +250,7 @@ ssize_t readline(FAR char *buf, int buflen, FILE *instream, FILE *outstream)
* backspace key is pressed.
*/
else if (ch == BS || ch == DEL)
else if (ch == ASCII_BS || ch == ASCII_DEL)
{
/* Eliminate that last character in the buffer. */
@ -268,15 +264,15 @@ ssize_t readline(FAR char *buf, int buflen, FILE *instream, FILE *outstream)
* understand DEL properly.
*/
readline_consoleputc(BS, outfd);
readline_consoleputs(g_erasetoeol, outfd);
readline_consoleputc(ASCII_BS, outfd);
readline_consolewrite(outfd, g_erasetoeol, sizeof(g_erasetoeol));
#endif
}
}
/* Check for the beginning of a VT100 escape sequence */
else if (ch == ESC)
else if (ch == ASCII_ESC)
{
/* The next character is escaped */