1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /*                                                                           */
3 /*                  This file is part of the program and library             */
4 /*         SCIP --- Solving Constraint Integer Programs                      */
5 /*                                                                           */
6 /*    Copyright (C) 2002-2021 Konrad-Zuse-Zentrum                            */
7 /*                            fuer Informationstechnik Berlin                */
8 /*                                                                           */
9 /*  SCIP is distributed under the terms of the ZIB Academic License.         */
10 /*                                                                           */
11 /*  You should have received a copy of the ZIB Academic License              */
12 /*  along with SCIP; see the file COPYING. If not visit scipopt.org.         */
13 /*                                                                           */
14 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
15 
16 /**@file   type_message.h
17  * @ingroup TYPEDEFINITIONS
18  * @brief  type definitions for message output methods
19  * @author Tobias Achterberg
20  *
21  *  This file defines the interface for message handlers implemented in C.
22  *
23  *  - \ref scip::ObjMessagehdlr "C++ wrapper class"
24  */
25 
26 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
27 
28 #ifndef __SCIP_TYPE_MESSAGE_H__
29 #define __SCIP_TYPE_MESSAGE_H__
30 
31 
32 #include <stdio.h>
33 
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37 
38 /** verbosity levels of output */
39 enum SCIP_VerbLevel
40 {
41    SCIP_VERBLEVEL_NONE    = 0,          /**< only error and warning messages are displayed */
42    SCIP_VERBLEVEL_DIALOG  = 1,          /**< only interactive dialogs, errors, and warnings are displayed */
43    SCIP_VERBLEVEL_MINIMAL = 2,          /**< only important messages are displayed */
44    SCIP_VERBLEVEL_NORMAL  = 3,          /**< standard messages are displayed */
45    SCIP_VERBLEVEL_HIGH    = 4,          /**< a lot of information is displayed */
46    SCIP_VERBLEVEL_FULL    = 5           /**< all messages are displayed */
47 };
48 typedef enum SCIP_VerbLevel SCIP_VERBLEVEL;
49 
50 typedef struct SCIP_Messagehdlr SCIP_MESSAGEHDLR;           /**< message handler */
51 typedef struct SCIP_MessagehdlrData SCIP_MESSAGEHDLRDATA;   /**< message handler data */
52 
53 /** generic messagehandler output function
54  *
55  *  Should be equal to SCIP_DECL_MESSAGEWARNING, SCIP_DECL_MESSAGEDIALOG, and SCIP_DECL_MESSAGEINFO
56  */
57 #define SCIP_DECL_MESSAGEOUTPUTFUNC(x) void x (SCIP_MESSAGEHDLR* messagehdlr, FILE* file, const char* msg)
58 
59 
60 /** error message print method
61  *
62  *  This method is invoked, if SCIP wants to display an error message to the screen or a file.
63  *
64  *  @note This function is independent of any message handler.
65  *
66  *  input:
67  *  - data            : data pointer
68  *  - file            : file stream to print into
69  *  - msg             : string to output into the file (or NULL to flush)
70  */
71 #define SCIP_DECL_ERRORPRINTING(x) void x (void* data, FILE* file, const char* msg)
72 
73 /** warning message print method of message handler
74  *
75  *  This method is invoked, if SCIP wants to display a warning message to the screen or a file.
76  *
77  *  input:
78  *  - messagehdlr     : the message handler itself
79  *  - file            : file stream to print into
80  *  - msg             : string to output into the file (or NULL to flush)
81  */
82 #define SCIP_DECL_MESSAGEWARNING(x) void x (SCIP_MESSAGEHDLR* messagehdlr, FILE* file, const char* msg)
83 
84 /** dialog message print method of message handler
85  *
86  *  This method is invoked, if SCIP wants to display a dialog message to the screen or a file.
87  *
88  *  input:
89  *  - messagehdlr     : the message handler itself
90  *  - file            : file stream to print into
91  *  - msg             : string to output into the file (or NULL to flush)
92  */
93 #define SCIP_DECL_MESSAGEDIALOG(x) void x (SCIP_MESSAGEHDLR* messagehdlr, FILE* file, const char* msg)
94 
95 /** info message print method of message handler
96  *
97  *  This method is invoked, if SCIP wants to display an information message to the screen or a file.
98  *
99  *  input:
100  *  - messagehdlr     : the message handler itself
101  *  - file            : file stream to print into
102  *  - msg             : string to output into the file (or NULL to flush)
103  */
104 #define SCIP_DECL_MESSAGEINFO(x) void x (SCIP_MESSAGEHDLR* messagehdlr, FILE* file, const char* msg)
105 
106 /** destructor of message handler to free message handler data
107  *
108  *  This method is invoked, if SCIP wants to free a message handler.
109  *
110  *  input:
111  *  - messagehdlr     : the message handler itself
112  */
113 #define SCIP_DECL_MESSAGEHDLRFREE(x) SCIP_RETCODE x (SCIP_MESSAGEHDLR* messagehdlr)
114 
115 #ifdef __cplusplus
116 }
117 #endif
118 
119 #endif
120