Movatterモバイル変換

[0]ホーム
URL:

Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

 Sign up
Appearance settings

Commit18f7a8e

Browse files
committed
This is a patch to support readline prompts which contain non-printing
characters, as for fancy colorized prompts. This was nearly a directlift from bash-2.05b's lib/readline/display.c, per guidance from Chet Ramey.Reece Hart
1 parentbd046b9 commit18f7a8e

File tree

2 files changed

+41
-3
lines changed

2 files changed

+41
-3
lines changed

‎doc/src/sgml/ref/psql-ref.sgml

Lines changed: 23 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
<!--
2-
$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.102 2003/12/23 23:13:14 momjian Exp $
2+
$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.103 2004/01/20 19:49:34 tgl Exp $
33
PostgreSQL documentation
44
-->
55

@@ -2315,6 +2315,28 @@ testdb=> <userinput>\set content '\'' `sed -e "s/'/\\\\\\'/g" < my_file.txt` '\'
23152315
</listitem>
23162316
</varlistentry>
23172317

2318+
<varlistentry>
2319+
<term><literal>%[</literal> ... <literal>%]</literal></term>
2320+
<listitem>
2321+
<para>
2322+
Prompts may contain terminal control characters which, for
2323+
example, change the color, background, or style of the prompt
2324+
text, or change the title of the terminal window. In order for
2325+
the line editing features of readline to work properly, these
2326+
non-printing control characters must be designated as invisible
2327+
by surrounding them with <literal>%[</literal> and
2328+
<literal>%]</literal>. Multiple pairs of these may occur within
2329+
the prompt. For example,
2330+
<programlisting>
2331+
testdb=> \set PROMPT1 '%[%033[1;33;40m%]%n@%/%R%[%033[0m%#%] '
2332+
</programlisting>
2333+
results in a boldfaced (<literal>1;</literal>) yellow-on-black
2334+
(<literal>33;40</literal>) prompt on VT100-compatible, color-capable
2335+
terminals.
2336+
</para>
2337+
</listitem>
2338+
</varlistentry>
2339+
23182340
</variablelist>
23192341

23202342
To insert a percent sign into your prompt, write

‎src/bin/psql/prompt.c

Lines changed: 18 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
33
*
44
* Copyright (c) 2000-2003, PostgreSQL Global Development Group
55
*
6-
* $PostgreSQL: pgsql/src/bin/psql/prompt.c,v 1.31 2003/11/29 19:52:07 pgsql Exp $
6+
* $PostgreSQL: pgsql/src/bin/psql/prompt.c,v 1.32 2004/01/20 19:49:34 tgl Exp $
77
*/
88
#include"postgres_fe.h"
99
#include"prompt.h"
@@ -12,6 +12,7 @@
1212

1313
#include"settings.h"
1414
#include"common.h"
15+
#include"input.h"
1516
#include"variables.h"
1617

1718
#ifdefWIN32
@@ -57,7 +58,9 @@
5758
* %:name: - The value of the psql variable 'name'
5859
* (those will not be rescanned for more escape sequences!)
5960
*
60-
* If the application-wide prompts became NULL somehow, the returned string
61+
* %[ ... %] - tell readline that the contained text is invisible
62+
*
63+
* If the application-wide prompts become NULL somehow, the returned string
6164
* will be empty (not NULL!).
6265
*--------------------------
6366
*/
@@ -282,10 +285,23 @@ get_prompt(promptStatus_t status)
282285
break;
283286
}
284287

288+
case'[':
289+
case']':
290+
#if defined(USE_READLINE)&& defined(RL_PROMPT_START_IGNORE)
291+
/*
292+
* readline >=4.0 undocumented feature: non-printing
293+
* characters in prompt strings must be marked as such,
294+
* in order to properly display the line during editing.
295+
*/
296+
buf[0]='\001';
297+
buf[1]= (*p=='[') ?RL_PROMPT_START_IGNORE :RL_PROMPT_END_IGNORE;
298+
#endif/* USE_READLINE */
299+
break;
285300

286301
default:
287302
buf[0]=*p;
288303
buf[1]='\0';
304+
break;
289305

290306
}
291307
esc= false;

0 commit comments

Comments
 (0)
[8]ページ先頭
©2009-2025 Movatter.jp