Mercurial > hg > orthanc-databases
annotate Framework/Common/IResult.cpp @ 522:c49136b34891 large-queries tip
use a prepared statement for InsertOrUpdateMetadata
| author | Alain Mazy <am@orthanc.team> |
|---|---|
| date | Fri, 05 Jul 2024 09:15:54 +0200 |
| parents | 54d518dcd74a |
| children |
| rev | line source |
|---|---|
| 298 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
|
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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Sebastien Jodogne <s.jodogne@gmail.com>
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 298 | 8 * |
| 9 * This program is free software: you can redistribute it and/or | |
| 10 * modify it under the terms of the GNU Affero General Public License | |
| 11 * as published by the Free Software Foundation, either version 3 of | |
| 12 * the License, or (at your option) any later version. | |
| 13 * | |
| 14 * This program is distributed in the hope that it will be useful, but | |
| 15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 17 * Affero General Public License for more details. | |
| 18 * | |
| 19 * You should have received a copy of the GNU Affero General Public License | |
| 20 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 21 **/ | |
| 22 | |
| 23 | |
| 24 #include "IResult.h" | |
| 25 | |
| 26 #include "Utf8StringValue.h" | |
| 27 | |
| 28 #include <Compatibility.h> | |
| 29 #include <OrthancException.h> | |
| 30 | |
| 31 #include <cassert> | |
| 32 #include <list> | |
| 33 #include <vector> | |
| 34 #include <ostream> | |
| 35 | |
| 36 namespace OrthancDatabases | |
| 37 { | |
| 38 static void PrintSeparators(std::ostream& stream, | |
| 39 char c, | |
| 40 size_t count) | |
| 41 { | |
| 42 for (size_t i = 0; i < count; i++) | |
| 43 { | |
| 44 stream << c; | |
| 45 } | |
| 46 } | |
| 47 | |
| 48 | |
| 49 static void PrintHeader(std::ostream& stream, | |
| 50 const std::vector<size_t>& maxWidth) | |
| 51 { | |
| 52 for (size_t i = 0; i < maxWidth.size(); i++) | |
| 53 { | |
| 54 stream << '+'; | |
| 55 PrintSeparators(stream, '-', maxWidth[i] + 2); | |
| 56 } | |
| 57 | |
| 58 stream << '+' << std::endl; | |
| 59 } | |
| 60 | |
| 61 | |
| 62 void IResult::Print(std::ostream& stream, | |
| 63 IResult& result) | |
| 64 { | |
| 65 typedef std::list< std::vector<std::string> > Table; | |
| 66 | |
| 67 Table table; | |
| 68 | |
| 69 const size_t columns = result.GetFieldsCount(); | |
| 70 | |
| 71 std::vector<size_t> maxWidth(columns); | |
| 72 | |
| 73 while (!result.IsDone()) | |
| 74 { | |
| 75 table.push_back(std::vector<std::string>(columns)); | |
| 76 | |
| 77 for (size_t i = 0; i < columns; i++) | |
| 78 { | |
| 79 std::string value; | |
| 80 | |
| 81 try | |
| 82 { | |
| 83 std::unique_ptr<IValue> converted( | |
| 84 result.GetField(i).Convert(ValueType_Utf8String)); | |
| 85 value = dynamic_cast<Utf8StringValue&>(*converted).GetContent(); | |
| 86 } | |
| 87 catch (Orthanc::OrthancException&) | |
| 88 { | |
| 89 value = "?"; | |
| 90 } | |
| 91 | |
| 92 if (value.size() > maxWidth[i]) | |
| 93 { | |
| 94 maxWidth[i] = value.size(); | |
| 95 } | |
| 96 | |
| 97 table.back() [i] = value; | |
| 98 } | |
| 99 | |
| 100 result.Next(); | |
| 101 } | |
| 102 | |
| 103 PrintHeader(stream, maxWidth); | |
| 104 | |
| 105 for (Table::const_iterator it = table.begin(); it != table.end(); ++it) | |
| 106 { | |
| 107 assert(it->size() == maxWidth.size()); | |
| 108 | |
| 109 for (size_t i = 0; i < it->size(); i++) | |
| 110 { | |
| 111 const std::string& value = (*it) [i]; | |
| 112 | |
| 113 stream << "| " << value << ' '; | |
| 114 | |
| 115 for (size_t j = value.size(); j < maxWidth[i]; j++) | |
| 116 { | |
| 117 stream << ' '; | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 stream << '|' << std::endl; | |
| 122 } | |
| 123 | |
| 124 PrintHeader(stream, maxWidth); | |
| 125 } | |
| 126 } |