Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/tesseract/src/ccutil/errcode.cpp @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 /**********************************************************************
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2 * File: errcode.cpp (Formerly error.c)
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3 * Description: Generic error handler function
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4 * Author: Ray Smith
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5 *
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6 * (C) Copyright 1989, Hewlett-Packard Ltd.
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7 ** Licensed under the Apache License, Version 2.0 (the "License");
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8 ** you may not use this file except in compliance with the License.
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9 ** You may obtain a copy of the License at
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10 ** http://www.apache.org/licenses/LICENSE-2.0
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11 ** Unless required by applicable law or agreed to in writing, software
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12 ** distributed under the License is distributed on an "AS IS" BASIS,
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13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 ** See the License for the specific language governing permissions and
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15 ** limitations under the License.
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16 *
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17 **********************************************************************/
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19 #include "errcode.h"
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21 #include <cstdarg>
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22 #include <cstdio>
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23 #include <cstdlib>
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24 #include <cstring>
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25 #include <iostream> // for std::cerr
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26 #include <sstream> // for std::stringstream
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28 namespace tesseract {
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29
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30 constexpr ERRCODE BADERRACTION("Illegal error action");
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31 #define MAX_MSG 1024
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32
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33 /**********************************************************************
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34 * error
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35 *
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36 * Print an error message and continue, exit or abort according to action.
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37 * Makes use of error messages and numbers in a common place.
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38 *
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39 **********************************************************************/
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40 void ERRCODE::error( // handle error
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41 const char *caller, // name of caller
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42 TessErrorLogCode action, // action to take
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43 const char *format, ... // special message
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44 ) const {
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45 va_list args; // variable args
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46 std::stringstream msg;
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47
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48 if (caller != nullptr) {
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49 // name of caller
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50 msg << caller << ':';
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51 }
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52 // actual message
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53 msg << "Error:" << message;
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54 if (format != nullptr) {
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55 char str[MAX_MSG];
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56 va_start(args, format); // variable list
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57 // print remainder
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58 std::vsnprintf(str, sizeof(str), format, args);
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59 // ensure termination
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60 str[sizeof(str) - 1] = '\0';
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61 va_end(args);
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62 msg << ':' << str;
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63 }
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64
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65 std::cerr << msg.str() << '\n';
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66
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67 switch (action) {
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68 case DBG:
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69 case TESSLOG:
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70 return; // report only
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71 case TESSEXIT:
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72 case ABORT:
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73 #if !defined(NDEBUG)
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74 // Create a deliberate abnormal exit as the stack trace is more useful
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75 // that way. This is done only in debug builds, because the
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76 // error message "segmentation fault" confuses most normal users.
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77 # if defined(__GNUC__)
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78 __builtin_trap();
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79 # else
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80 *reinterpret_cast<int *>(0) = 0;
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81 # endif
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82 #endif
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83 abort();
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84 default:
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85 BADERRACTION.error("error", ABORT);
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86 }
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87 }
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88
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89 void ERRCODE::error(const char *caller, TessErrorLogCode action) const {
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90 error(caller, action, nullptr);
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91 }
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92
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93 } // namespace tesseract