database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-30 21:42:05 +03:00
Code Activity

This is a patch to support readline prompts which contain non-printing

Browse Source 
characters, as for fancy colorized prompts.  This was nearly a direct
lift from bash-2.05b's lib/readline/display.c, per guidance from Chet Ramey.

Reece Hart
This commit is contained in:
Tom Lane
2004-01-20 19:49:34 +00:00
parent bd046b99f0
commit 18f7a8e262
2 changed files with 41 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/bin/psql/prompt.c
View File

@ -3,7 +3,7 @@
*
* Copyright (c) 2000-2003, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/bin/psql/prompt.c,v 1.31 2003/11/29 19:52:07 pgsql Exp $
* $PostgreSQL: pgsql/src/bin/psql/prompt.c,v 1.32 2004/01/20 19:49:34 tgl Exp $
*/
#include "postgres_fe.h"
#include "prompt.h"
@ -12,6 +12,7 @@
#include "settings.h"
#include "common.h"
#include "input.h"
#include "variables.h"
#ifdef WIN32
@ -57,7 +58,9 @@
* %:name: - The value of the psql variable 'name'
* (those will not be rescanned for more escape sequences!)
*
* If the application-wide prompts became NULL somehow, the returned string
* %[ ... %] - tell readline that the contained text is invisible
*
* If the application-wide prompts become NULL somehow, the returned string
* will be empty (not NULL!).
*--------------------------
*/
@ -282,10 +285,23 @@ get_prompt(promptStatus_t status)
break;
}
case '[':
case ']':
#if defined(USE_READLINE) && defined(RL_PROMPT_START_IGNORE)
/*
* readline >=4.0 undocumented feature: non-printing
* characters in prompt strings must be marked as such,
* in order to properly display the line during editing.
*/
buf[0] = '\001';
buf[1] = (*p == '[') ? RL_PROMPT_START_IGNORE : RL_PROMPT_END_IGNORE;
#endif /* USE_READLINE */
break;
default:
buf[0] = *p;
buf[1] = '\0';
break;
}
esc = false;