Tesseract 3.01
/data/source/tesseract-ocr/ccutil/errcode.h
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00001 /**********************************************************************
00002  * File:        errcode.h  (Formerly error.h)
00003  * Description: Header file for generic error handler class
00004  * Author:      Ray Smith
00005  * Created:     Tue May  1 16:23:36 BST 1990
00006  *
00007  * (C) Copyright 1990, Hewlett-Packard Ltd.
00008  ** Licensed under the Apache License, Version 2.0 (the "License");
00009  ** you may not use this file except in compliance with the License.
00010  ** You may obtain a copy of the License at
00011  ** http://www.apache.org/licenses/LICENSE-2.0
00012  ** Unless required by applicable law or agreed to in writing, software
00013  ** distributed under the License is distributed on an "AS IS" BASIS,
00014  ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00015  ** See the License for the specific language governing permissions and
00016  ** limitations under the License.
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef           ERRCODE_H
00021 #define           ERRCODE_H
00022 
00023 #include          "host.h"
00024 
00025 /*Control parameters for error()*/
00026 #define DBG         -1           /*log without alert */
00027 #define TESSLOG     0            /*alert user */
00028 #define TESSEXIT    1            /*exit after erro */
00029 #define ABORT       2            /*abort after error */
00030 
00031 /* Explicit Error Abort codes */
00032 #define NO_ABORT_CODE      0
00033 #define LIST_ABORT      1
00034 #define MEMORY_ABORT    2
00035 #define FILE_ABORT      3
00036 
00037 /* Location of code at error codes Reserve 0..2 (status codes 0..23 for UNLV)*/
00038 #define LOC_UNUSED0        0
00039 #define LOC_UNUSED1        1
00040 #define LOC_UNUSED2        2
00041 #define LOC_INIT      3
00042 #define LOC_EDGE_PROG   4
00043 #define LOC_TEXT_ORD_ROWS 5
00044 #define LOC_TEXT_ORD_WORDS  6
00045 #define LOC_PASS1     7
00046 #define LOC_PASS2     8
00047 /* Reserve up to 8..13 for adding subloc 0/3 plus subsubloc 0/1/2 */
00048 #define LOC_FUZZY_SPACE   14
00049 /* Reserve up to 14..20 for adding subloc 0/3 plus subsubloc 0/1/2 */
00050 #define LOC_MM_ADAPT    21
00051 #define LOC_DOC_BLK_REJ   22
00052 #define LOC_WRITE_RESULTS 23
00053 #define LOC_ADAPTIVE    24
00054 /* DONT DEFINE ANY LOCATION > 31 !!! */
00055 
00056 /* Sub locatation determines whether pass2 was in normal mode or fix xht mode*/
00057 #define SUBLOC_NORM     0
00058 #define SUBLOC_FIX_XHT    3
00059 
00060 /* Sub Sub locatation determines whether match_word_pass2 was in Tess
00061   matcher, NN matcher or somewhere else */
00062 
00063 #define SUBSUBLOC_OTHER   0
00064 #define SUBSUBLOC_TESS    1
00065 #define SUBSUBLOC_NN    2
00066 
00067 class DLLSYM ERRCODE             //error handler class
00068 {
00069   const char *message;           //error message
00070   public:
00071     void error (                 //error print function
00072       const char *caller,        //function location
00073       inT8 action,               //action to take
00074       const char *format, ...    //fprintf format
00075       ) const;
00076     ERRCODE(const char *string) {
00077       message = string;
00078     }                            //initialize with string
00079 };
00080 
00081 const ERRCODE ASSERT_FAILED = "Assert failed";
00082 
00083 #define ASSERT_HOST(x) if (!(x))                                                                                \
00084 {                                                                                                                                                       \
00085         ASSERT_FAILED.error(#x,ABORT,"in file %s, line %d",             \
00086                 __FILE__,__LINE__);                                                                                     \
00087 }
00088 
00089 void signal_exit(                 //
00090                  int signal_code  //Signal which
00091                 );
00092 extern "C"
00093 {
00094   void err_exit();
00095                                  //The real signal
00096   void signal_termination_handler(int sig);
00097 };
00098 
00099 void set_global_loc_code(int loc_code);
00100 
00101 void set_global_subloc_code(int loc_code);
00102 
00103 void set_global_subsubloc_code(int loc_code);
00104 #endif
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