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398 lines (360 loc) · 8.38 KB
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CREATE OR REPLACE PACKAGE BODY p
IS
/*----------------------------------------------------------------
|| PL/Vision Professional
||----------------------------------------------------------------
|| File: p.spb
|| Author: Steven Feuerstein
||
||
|| Copyright (C) 1996-2002 Quest Software
|| All rights reserved.
||
-----------------------------------------------------------------*/
c_pkg CONSTANT CHAR (1) := 'p';
c_max_dopl_line INTEGER := 255;
c_delim CONSTANT CHAR (3) := ' - ';
/* Flag that determines whether output should be displayed. */
v_show BOOLEAN := TRUE;
g_showtime BOOLEAN := FALSE;
g_lasttime INTEGER := NULL;
/* Private Variable for "linesep" */
v_linesep VARCHAR2 (100) := NULL;
/* Private Variable for "prefix" */
v_prefix VARCHAR2 (100) := c_prefix;
v_prefix_len INTEGER := 1;
v_linelen INTEGER := c_linelen;
/*------------------- Private Modules -------------------*/
PROCEDURE put_line (stg_in IN VARCHAR2)
IS
BEGIN
DBMS_OUTPUT.put_line (v_prefix || stg_in);
EXCEPTION
WHEN OTHERS
THEN
DBMS_OUTPUT.ENABLE (1000000);
DBMS_OUTPUT.put_line (v_prefix || stg_in);
END;
PROCEDURE display_line (show_in IN BOOLEAN, line_in IN VARCHAR2)
IS
BEGIN
IF v_show OR show_in
THEN
IF RTRIM (line_in) IS NULL
THEN
put_line ('');
ELSIF LTRIM (RTRIM (line_in)) = v_linesep
THEN
put_line ('');
ELSIF LENGTH (line_in) > linelen
THEN
put_line (SUBSTR (line_in, 1, linelen));
display_line (show_in
, SUBSTR (line_in, linelen + 1));
ELSE
put_line (line_in);
END IF;
END IF;
END;
/*--------------- Toggle Output Modules ---------------*/
PROCEDURE turn_on
IS
BEGIN
v_show := TRUE;
DBMS_OUTPUT.ENABLE (1000000);
END;
PROCEDURE turn_off
IS
BEGIN
v_show := FALSE;
END;
/* Body of Set for "linesep" */
PROCEDURE set_linesep (linesep_in IN VARCHAR2)
IS
BEGIN
v_linesep := linesep_in;
END set_linesep;
/* Body of Get for "linesep" */
FUNCTION linesep
RETURN VARCHAR2
IS
BEGIN
RETURN v_linesep;
END;
/* Body of Set for "prefix" */
PROCEDURE set_prefix (prefix_in IN VARCHAR2 := c_prefix)
IS
BEGIN
v_prefix := prefix_in;
v_prefix_len := LENGTH (prefix_in);
END set_prefix;
/* Body of Get for "prefix" */
FUNCTION prefix
RETURN VARCHAR2
IS
BEGIN
RETURN v_prefix;
END prefix;
/* Set line length before wrap */
PROCEDURE set_linelen (len IN INTEGER := c_linelen)
IS
BEGIN
v_linelen :=
LEAST (c_max_dopl_line
, GREATEST (NVL (len, c_linelen), 1)
);
END;
FUNCTION linelen
RETURN INTEGER
IS
BEGIN
RETURN v_linelen;
END;
/*------------------ The p.l Procedures ----------------*/
FUNCTION date_string (dt IN DATE, MASK IN VARCHAR2 := NULL)
RETURN VARCHAR2
IS
BEGIN
IF MASK IS NOT NULL
THEN
RETURN TO_CHAR (dt, MASK);
ELSE
RETURN TO_CHAR (dt);
END IF;
END;
FUNCTION bool_string (val IN boolean)
RETURN VARCHAR2
IS
BEGIN
IF val
THEN
RETURN 'TRUE';
ELSIF NOT val
THEN
RETURN 'FALSE';
ELSE
RETURN 'NULL';
END IF;
END;
PROCEDURE l (
dt IN DATE
, mask_in IN VARCHAR2 := NULL
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in, date_string (dt, mask_in));
END;
PROCEDURE l (num IN NUMBER, show_in IN BOOLEAN := FALSE)
IS
BEGIN
display_line (show_in, TO_CHAR (num));
END;
PROCEDURE l (stg IN VARCHAR2, show_in IN BOOLEAN := FALSE)
IS
BEGIN
display_line (show_in, stg);
END;
PROCEDURE l (
stg IN VARCHAR2
, num IN NUMBER
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in, stg || c_delim || TO_CHAR (num));
END;
PROCEDURE l (
stg IN VARCHAR2
, dt IN DATE
, mask_in IN VARCHAR2 := NULL
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, stg || c_delim || date_string (dt, mask_in)
);
END;
PROCEDURE l (bool IN BOOLEAN, show_in IN BOOLEAN := FALSE)
IS
BEGIN
display_line (show_in, bool_string (bool));
END;
PROCEDURE l (
stg IN VARCHAR2
, bool IN BOOLEAN
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, stg || c_delim || bool_string (bool)
);
END;
PROCEDURE l (
file_in IN UTL_FILE.file_type
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in, TO_CHAR (file_in.ID));
END;
PROCEDURE l (
string_in IN VARCHAR2
, file_in IN UTL_FILE.file_type
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
l (string_in, file_in.ID, show_in);
END;
/* Additional overloadings */
PROCEDURE l (
num1 IN NUMBER
, num2 IN NUMBER
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, TO_CHAR (num1) || c_delim || TO_CHAR (num2)
);
END;
PROCEDURE l (
str IN VARCHAR2
, num1 IN NUMBER
, num2 IN NUMBER
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, str
|| c_delim
|| TO_CHAR (num1)
|| c_delim
|| TO_CHAR (num2)
);
END;
PROCEDURE l (
bool1 IN BOOLEAN
, bool2 IN BOOLEAN
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, bool_string (bool1)
|| c_delim
|| bool_string (bool2)
);
END;
PROCEDURE l (
stg1 IN VARCHAR2
, stg2 IN VARCHAR2
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in, stg1 || c_delim || stg2);
END;
PROCEDURE l (
dt1 IN DATE
, dt2 IN DATE
, mask_in IN VARCHAR2 := NULL
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, date_string (dt1, mask_in)
|| c_delim
|| date_string (dt2, mask_in)
);
END;
PROCEDURE l (
num IN NUMBER
, dt IN DATE
, mask_in IN VARCHAR2 := NULL
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, TO_CHAR (num)
|| c_delim
|| date_string (dt, mask_in)
);
END;
PROCEDURE l (
bool IN BOOLEAN
, num IN NUMBER
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, bool_string (bool) || c_delim
|| TO_CHAR (num)
);
END;
PROCEDURE l (
bool IN BOOLEAN
, dt IN DATE
, mask_in IN VARCHAR2 := NULL
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, bool_string (bool)
|| c_delim
|| date_string (dt, mask_in)
);
END;
PROCEDURE l (
bool IN BOOLEAN
, stg IN VARCHAR2
, show_in IN BOOLEAN := FALSE
)
IS
BEGIN
display_line (show_in
, stg || c_delim || bool_string (bool)
);
END;
PROCEDURE HELP (topic_in IN VARCHAR2 := NULL)
IS
BEGIN
p.l
('PLVhlp disabled; please check Knowledge Xpert for current documentation.'
); /* PLVhlp.plvshow (c_pkg, topic_in); */
END;
/* Show time stamp toggle. Default is NOSHOW. */
PROCEDURE showtime
IS
BEGIN
g_showtime := TRUE;
g_lasttime := NULL;
END;
PROCEDURE noshowtime
IS
BEGIN
g_showtime := TRUE;
g_lasttime := NULL;
END;
FUNCTION showing_time
RETURN BOOLEAN
IS
BEGIN
RETURN g_showtime;
END;
END p;
/
/*======================================================================
| Supplement to the fifth edition of Oracle PL/SQL Programming by Steven
| Feuerstein with Bill Pribyl, Copyright (c) 1997-2009 O'Reilly Media, Inc.
| To submit corrections or find more code samples visit
| http://oreilly.com/catalog/9780596514464/
*/