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Added --prompt and `prompt'' command, add dynamic prompt support to `mysql''.

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This commit is contained in:
jcole@mugatu.spaceapes.com
2002-03-20 18:07:57 -06:00
parent f6bf309316
commit 1fde1da1a6
2 changed files with 210 additions and 13 deletions
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221
client/mysql.cc
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@ -19,12 +19,13 @@
*
* Written by:
* Michael 'Monty' Widenius
* Andi Gutmans <andi@zend.com>
* Zeev Suraski <zeev@zend.com>
* Jani Tolonen <jani@mysql.com>
* Matt Wagner <matt@mysql.com>
* Jeremy Cole <jcole@mysql.com>
* Tonu Samuel <tonu@mysql.com>
* Andi Gutmans <andi@zend.com>
* Zeev Suraski <zeev@zend.com>
* Jani Tolonen <jani@mysql.com>
* Matt Wagner <matt@mysql.com>
* Jeremy Cole <jcole@mysql.com>
* Tonu Samuel <tonu@mysql.com>
* Harrison Fisk <hcfisk@buffalo.edu>
*
**/
@ -38,7 +39,7 @@
#include <signal.h>
#include <violite.h>
const char *VER="11.22";
const char *VER="11.23";
/* Don't try to make a nice table if the data is too big */
#define MAX_COLUMN_LENGTH 1024
@ -97,6 +98,8 @@ extern "C" {
#include "completion_hash.h"
#define PROMPT_CHAR '\\'
typedef struct st_status
{
int exit_status;
@ -124,9 +127,11 @@ static uint verbose=0,opt_silent=0,opt_mysql_port=0, opt_local_infile=0;
static my_string opt_mysql_unix_port=0;
static int connect_flag=CLIENT_INTERACTIVE;
static char *current_host,*current_db,*current_user=0,*opt_password=0,
*default_charset;
*current_prompt=0, *default_charset;
static char *histfile;
static String glob_buffer,old_buffer;
static String processed_prompt;
static char *full_username=0,*part_username=0,*default_prompt=0;
static int wait_time = 5;
static STATUS status;
static ulong select_limit,max_join_size,opt_connect_timeout=0;
@ -136,10 +141,14 @@ static const char *xmlmeta[] = {
"<", "&lt;",
0, 0
};
static const char *day_names[]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"};
static const char *month_names[]={"Jan","Feb","Mar","Apr","May","Jun","Jul",
"Aug","Sep","Oct","Nov","Dec"};
static char default_pager[FN_REFLEN];
char pager[FN_REFLEN], outfile[FN_REFLEN];
FILE *PAGER, *OUTFILE;
MEM_ROOT hash_mem_root;
static uint prompt_counter;
#include "sslopt-vars.h"
@ -160,7 +169,8 @@ static int com_quit(String *str,char*),
com_connect(String *str,char*), com_status(String *str,char*),
com_use(String *str,char*), com_source(String *str, char*),
com_rehash(String *str, char*), com_tee(String *str, char*),
com_notee(String *str, char*), com_shell(String *str, char *);
com_notee(String *str, char*), com_shell(String *str, char *),
com_prompt(String *str, char*);
#ifndef __WIN__
static int com_nopager(String *str, char*), com_pager(String *str, char*),
@ -177,6 +187,9 @@ static void init_pager();
static void end_pager();
static void init_tee();
static void end_tee();
static const char* construct_prompt();
static void init_username();
static void add_int_to_prompt(int toadd);
/* A structure which contains information on the commands this program
can understand. */
@ -211,6 +224,7 @@ static COMMANDS commands[] = {
"Set PAGER [to_pager]. Print the query results via PAGER." },
#endif
{ "print", 'p', com_print, 0, "Print current command." },
{ "prompt", 'R', com_prompt, 1, "Change your mysql prompt."},
{ "quit", 'q', com_quit, 0, "Quit mysql." },
{ "rehash", '#', com_rehash, 0, "Rebuild completion hash." },
{ "source", '.', com_source, 1,
@ -280,6 +294,12 @@ int main(int argc,char *argv[])
DBUG_ENTER("main");
DBUG_PROCESS(argv[0]);
default_prompt = my_strdup(getenv("MYSQL_PS1") ?
getenv("MYSQL_PS1") :
"mysql> ",MYF(MY_WME));
current_prompt = my_strdup(default_prompt,MYF(MY_WME));
prompt_counter=0;
strmov(outfile, "\0"); // no (default) outfile, unless given at least once
strmov(pager, "stdout"); // the default, if --pager wasn't given
{
@ -406,12 +426,17 @@ sig_handler mysql_end(int sig)
put_info(sig ? "Aborted" : "Bye", INFO_RESULT);
glob_buffer.free();
old_buffer.free();
processed_prompt.free();
my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
my_free(opt_mysql_unix_port,MYF(MY_ALLOW_ZERO_PTR));
my_free(histfile,MYF(MY_ALLOW_ZERO_PTR));
my_free(current_db,MYF(MY_ALLOW_ZERO_PTR));
my_free(current_host,MYF(MY_ALLOW_ZERO_PTR));
my_free(current_user,MYF(MY_ALLOW_ZERO_PTR));
my_free(full_username,MYF(MY_ALLOW_ZERO_PTR));
my_free(part_username,MYF(MY_ALLOW_ZERO_PTR));
my_free(default_prompt,MYF(MY_ALLOW_ZERO_PTR));
my_free(current_prompt,MYF(MY_ALLOW_ZERO_PTR));
mysql_server_end();
my_end(info_flag ? MY_CHECK_ERROR | MY_GIVE_INFO : 0);
exit(status.exit_status);
@ -455,6 +480,7 @@ static struct option long_options[] =
{"pipe", no_argument, 0, 'W'},
#endif
{"port", required_argument, 0, 'P'},
{"prompt", required_argument, 0, OPT_PROMPT},
{"quick", no_argument, 0, 'q'},
{"set-variable", required_argument, 0, 'O'},
{"raw", no_argument, 0, 'r'},
@ -577,6 +603,7 @@ and you are welcome to modify and redistribute it under the GPL license\n");
slow down the server if the output is suspended.\n\
Doesn't use history file.\n\
-r, --raw Write fields without conversion. Used with --batch\n\
--prompt=... Set the mysql prompt to this value\n\
-s, --silent Be more silent.\n\
-S --socket=... Socket file to use for connection.\n");
#include "sslopt-usage.h"
@ -661,6 +688,10 @@ static int get_options(int argc, char **argv)
case OPT_NOPAGER:
opt_nopager=1;
break;
case OPT_PROMPT:
my_free(current_prompt,MYF(MY_ALLOW_ZERO_PTR));
current_prompt=my_strdup(optarg,MYF(MY_FAE));
break;
case 'b':
opt_nobeep = 1;
break;
@ -846,7 +877,7 @@ static int read_lines(bool execute_commands)
#if defined( __WIN__) || defined(OS2)
if (opt_outfile && glob_buffer.is_empty())
fflush(OUTFILE);
tee_fputs(glob_buffer.is_empty() ? "mysql> " :
tee_fputs(glob_buffer.is_empty() ? construct_prompt() :
!in_string ? " -> " :
in_string == '\'' ?
" '> " : " \"> ",stdout);
@ -857,12 +888,12 @@ static int read_lines(bool execute_commands)
{
if (glob_buffer.is_empty())
fflush(OUTFILE);
fputs(glob_buffer.is_empty() ? "mysql> " :
fputs(glob_buffer.is_empty() ? construct_prompt() :
!in_string ? " -> " :
in_string == '\'' ?
" '> " : " \"> ", OUTFILE);
}
line=readline((char*) (glob_buffer.is_empty() ? "mysql> " :
line=readline((char*) (glob_buffer.is_empty() ? construct_prompt() :
!in_string ? " -> " :
in_string == '\'' ?
" '> " : " \"> "));
@ -2587,6 +2618,172 @@ static void mysql_end_timer(ulong start_time,char *buff)
strmov(strend(buff),")");
}
static const char* construct_prompt() {
//erase the old prompt
processed_prompt.free();
//get the date struct
time_t lclock = time(NULL);
struct tm *t = localtime(&lclock);
//parse thru the settings for the prompt
for (char *c = current_prompt;*c;*c++) {
if (*c != PROMPT_CHAR) {
processed_prompt.append(*c);
}
else {
switch (*++c) {
case '\0':
//stop it from going beyond if ends with %
c--;
break;
case 'c':
add_int_to_prompt(++prompt_counter);
break;
case 'v':
processed_prompt.append(mysql_get_server_info(&mysql));
break;
case 'd':
processed_prompt.append(current_db ? current_db : "(none)");
break;
case 'h':
if (strstr(mysql_get_host_info(&mysql),"Localhost")) {
processed_prompt.append("localhost");
}
else {
processed_prompt.append(strtok(mysql_get_host_info(&mysql)," "));
}
break;
case 'p':
if (strstr(mysql_get_host_info(&mysql),"TCP/IP")
|| ! mysql.unix_socket) {
add_int_to_prompt(mysql.port);
}
else
processed_prompt.append(strrchr(mysql.unix_socket,'/')+1);
break;
case 'U':
if (!full_username)
init_username();
processed_prompt.append(full_username);
break;
case 'u':
if (!full_username)
init_username();
processed_prompt.append(part_username);
break;
case PROMPT_CHAR:
processed_prompt.append(PROMPT_CHAR);
break;
case 'n':
processed_prompt.append('\n');
break;
case ' ':
case '_':
processed_prompt.append(' ');
break;
case 'R':
add_int_to_prompt(t->tm_hour);
break;
case 'r':
int getHour;
getHour = t->tm_hour % 12;
if (getHour == 0)
getHour=12;
add_int_to_prompt(getHour);
break;
case 'm':
if (t->tm_min < 10)
processed_prompt.append('0');
add_int_to_prompt(t->tm_min);
break;
case 'y':
int getYear;
getYear = t->tm_year % 100;
if (getYear < 10)
processed_prompt.append('0');
add_int_to_prompt(getYear);
break;
case 'Y':
add_int_to_prompt(t->tm_year+1900);
break;
case 'D':
char* dateTime;
time_t lclock;
lclock = time(NULL);
dateTime = ctime(&lclock);
processed_prompt.append(strtok(dateTime,"\n"));
break;
case 's':
add_int_to_prompt(t->tm_sec);
break;
case 'w':
processed_prompt.append(day_names[t->tm_wday]);
break;
case 'P':
processed_prompt.append(t->tm_hour < 12 ? "am" : "pm");
break;
case 'o':
add_int_to_prompt(t->tm_mon+1);
break;
case 'O':
processed_prompt.append(month_names[t->tm_mon]);
break;
case '\'':
processed_prompt.append("'");
break;
case '"':
processed_prompt.append('"');
break;
case 'S':
processed_prompt.append(';');
break;
case 't':
processed_prompt.append('\t');
break;
default:
processed_prompt.append(c);
}
}
}
processed_prompt.append('\0');
return processed_prompt.ptr();
}
static void add_int_to_prompt(int toadd) {
char buffer[16];
int10_to_str(toadd,buffer,10);
processed_prompt.append(buffer);
}
static void init_username() {
my_free(full_username,MYF(MY_ALLOW_ZERO_PTR));
my_free(part_username,MYF(MY_ALLOW_ZERO_PTR));
MYSQL_RES *result;
LINT_INIT(result);
if (!mysql_query(&mysql,"select USER()") &&
(result=mysql_use_result(&mysql)))
{
MYSQL_ROW cur=mysql_fetch_row(result);
full_username=my_strdup(cur[0],MYF(MY_WME));
part_username=my_strdup(strtok(cur[0],"@"),MYF(MY_WME));
(void) mysql_fetch_row(result); // Read eof
}
}
static int
com_prompt(String *buffer, char *line __attribute__((unused))) {
prompt_counter = 0;
my_free(current_prompt,MYF(MY_ALLOW_ZERO_PTR));
current_prompt=my_strdup(strchr(line, ' ') ?
strchr(line, ' ')+1 :
default_prompt,MYF(MY_WME));
if (!strchr(line, ' '))
tee_fprintf(stdout, "Returning to default PROMPT of %s\n", default_prompt);
else
tee_fprintf(stdout, "PROMPT set to '%s'\n", current_prompt);
return 0;
}
#ifndef EMBEDDED_LIBRARY
/* Keep sql_string library happy */