1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179
|
/**
* Orthanc - A Lightweight, RESTful DICOM Store
* Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
* Department, University Hospital of Liege, Belgium
* Copyright (C) 2017-2023 Osimis S.A., Belgium
* Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
#include "Query.h"
#include <Logging.h>
#include <OrthancException.h>
#include <boost/regex.hpp>
namespace OrthancDatabases
{
class Query::Token : public boost::noncopyable
{
private:
bool isParameter_;
std::string content_;
public:
Token(bool isParameter,
const std::string& content) :
isParameter_(isParameter),
content_(content)
{
}
bool IsParameter() const
{
return isParameter_;
}
const std::string& GetContent() const
{
return content_;
}
};
void Query::Setup(const std::string& sql)
{
boost::regex regex("\\$\\{(.*?)\\}");
std::string::const_iterator last = sql.begin();
boost::sregex_token_iterator it(sql.begin(), sql.end(), regex, 0);
boost::sregex_token_iterator end;
while (it != end)
{
if (last != it->first)
{
tokens_.push_back(new Token(false, std::string(last, it->first)));
}
std::string parameter = *it;
assert(parameter.size() >= 3);
parameter = parameter.substr(2, parameter.size() - 3);
tokens_.push_back(new Token(true, parameter));
parameters_[parameter] = ValueType_Null;
last = it->second;
++it;
}
if (last != sql.end())
{
tokens_.push_back(new Token(false, std::string(last, sql.end())));
}
}
Query::Query(const std::string& sql) :
readOnly_(false)
{
Setup(sql);
}
Query::Query(const std::string& sql,
bool readOnly) :
readOnly_(readOnly)
{
Setup(sql);
}
Query::~Query()
{
for (size_t i = 0; i < tokens_.size(); i++)
{
assert(tokens_[i] != NULL);
delete tokens_[i];
}
}
bool Query::HasParameter(const std::string& parameter) const
{
return parameters_.find(parameter) != parameters_.end();
}
ValueType Query::GetType(const std::string& parameter) const
{
Parameters::const_iterator found = parameters_.find(parameter);
if (found == parameters_.end())
{
throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem,
"Inexistent parameter in a SQL query: " + parameter);
}
else
{
return found->second;
}
}
void Query::SetType(const std::string& parameter,
ValueType type)
{
Parameters::iterator found = parameters_.find(parameter);
if (found == parameters_.end())
{
throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentItem,
"Inexistent parameter in a SQL query: " + parameter);
}
else
{
found->second = type;
}
}
void Query::Format(std::string& result,
IParameterFormatter& formatter) const
{
result.clear();
for (size_t i = 0; i < tokens_.size(); i++)
{
assert(tokens_[i] != NULL);
const std::string& content = tokens_[i]->GetContent();
if (tokens_[i]->IsParameter())
{
std::string parameter;
formatter.Format(parameter, content, GetType(content));
result += parameter;
}
else
{
result += content;
}
}
}
}
|