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new version of help

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unknown
2003-05-29 17:47:31 -04:00
parent f440077bd0
commit 69e084af1e
13 changed files with 1672 additions and 950 deletions
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83
client/mysql.cc
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@@ -1457,6 +1457,16 @@ int mysql_store_result_for_lazy(MYSQL_RES **result)
return 0;
}
static void print_help_item(MYSQL_ROW *cur, int num_name, int num_cat, char *last_char)
{
char ccat= (*cur)[num_cat][0];
if (*last_char != ccat)
{
put_info(ccat == 'Y' ? "categories :" : "topics :", INFO_INFO);
*last_char= ccat;
}
tee_fprintf(PAGER, " %s\n", (*cur)[num_name]);
}
static int com_server_help(String *buffer __attribute__((unused)),
char *line __attribute__((unused)), char *help_arg)
@@ -1465,14 +1475,15 @@ static int com_server_help(String *buffer __attribute__((unused)),
const char *server_cmd= buffer->ptr();
char cmd_buf[100];
MYSQL_RES *result;
MYSQL_FIELD *fields;
int error;
if (help_arg[0] != '\'')
{
(void) strxnmov(cmd_buf, sizeof(cmd_buf), "help '", help_arg, "'", NullS);
server_cmd= cmd_buf;
}
if (!status.batch)
{
old_buffer= *buffer;
@@ -1482,15 +1493,16 @@ static int com_server_help(String *buffer __attribute__((unused)),
if (!connected && reconnect())
return 1;
if ((error= mysql_real_query_for_lazy(server_cmd,strlen(server_cmd))))
return error;
if ((error= mysql_store_result_for_lazy(&result)))
if ((error= mysql_real_query_for_lazy(server_cmd,strlen(server_cmd))) ||
(error= mysql_store_result_for_lazy(&result)))
return error;
if (result)
{
ulonglong num_rows= mysql_num_rows(result);
if (num_rows == 1)
unsigned int num_fields= mysql_num_fields(result);
my_ulonglong num_rows= mysql_num_rows(result);
fields= mysql_fetch_fields(result);
if (num_fields==3 && num_rows==1)
{
if (!(cur= mysql_fetch_row(result)))
{
@@ -1499,46 +1511,45 @@ static int com_server_help(String *buffer __attribute__((unused)),
}
init_pager();
if (cur[1][0] == 'Y')
{
tee_fprintf(PAGER, "Help topic \'%s\'\n", cur[0]);
tee_fprintf(PAGER, "%s\n", cur[2]);
tee_fprintf(PAGER, "For help on specific function please type 'help <function>'\nwhere function is one of next:\n%s\n", cur[3]);
}
else
{
tee_fprintf(PAGER, "Name: \'%s\'\n\n", cur[0]);
tee_fprintf(PAGER, "Description:\n%s\n\n", cur[2]);
if (cur[3])
tee_fprintf(PAGER, "Examples:\n%s\n", cur[3]);
}
tee_fprintf(PAGER, "Name: \'%s\'\n", cur[0]);
tee_fprintf(PAGER, "Description:\n%s", cur[1]);
if (cur[2] && *((char*)cur[2]))
tee_fprintf(PAGER, "Examples:\n%s", cur[2]);
tee_fprintf(PAGER, "\n");
end_pager();
}
else if (num_rows > 1)
else if (num_fields >= 2 && num_rows)
{
put_info("Many help items for your request exist", INFO_INFO);
put_info("For more specific request please type 'help <item>' where item is one of next:", INFO_INFO);
init_pager();
char last_char= '_';
while ((cur= mysql_fetch_row(result)))
char last_char;
int num_name, num_cat;
if (num_fields == 2)
{
if (cur[1][0]!=last_char)
{
put_info("-------------------------------------------", INFO_INFO);
put_info(cur[1][0] == 'Y' ?
"categories:" : "functions:", INFO_INFO);
put_info("-------------------------------------------", INFO_INFO);
}
last_char= cur[1][0];
tee_fprintf(PAGER, "%s\n", cur[0]);
put_info("Many help items for your request exist", INFO_INFO);
put_info("For more specific request please type 'help <item>' where item is one of next", INFO_INFO);
num_name= 0;
num_cat= 1;
last_char= '_';
}
else if ((cur= mysql_fetch_row(result)))
{
tee_fprintf(PAGER, "You asked help about help category: \"%s\"\n", cur[0]);
put_info("For a more information type 'help <item>' where item is one of the following", INFO_INFO);
num_name= 1;
num_cat= 2;
print_help_item(&cur,1,2,&last_char);
}
while ((cur= mysql_fetch_row(result)))
print_help_item(&cur,num_name,num_cat,&last_char);
tee_fprintf(PAGER, "\n");
end_pager();
}
else
{
put_info("\nNothing found\n", INFO_INFO);
put_info("\nNothing found", INFO_INFO);
put_info("Please try to run 'help contents' for list of all accessible topics\n", INFO_INFO);
}
}