Orthanc/OrthancFramework/Sources/SQLite/FunctionContext.cpp
2025-06-23 19:07:37 +05:30

137 lines
4.2 KiB
C++

/**
* Orthanc - A Lightweight, RESTful DICOM Store
*
* Copyright (C) 2012-2016 Sebastien Jodogne <s.jodogne@orthanc-labs.com>,
* Medical Physics Department, University Hospital of Liege, Belgium
* Copyright (C) 2017-2023 Osimis S.A., Belgium
* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of the University Hospital of Liege, nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**/
#if ORTHANC_SQLITE_STANDALONE != 1
#include "../PrecompiledHeaders.h"
#endif
#include "FunctionContext.h"
#include "OrthancSQLiteException.h"
#include <cassert>
#include <string>
#include "sqlite3.h"
namespace Orthanc
{
namespace SQLite
{
FunctionContext::FunctionContext(struct sqlite3_context* context,
int argc,
Internals::SQLiteValue** argv)
{
assert(context != NULL);
assert(argc >= 0);
assert(argv != NULL);
context_ = context;
argc_ = static_cast<unsigned int>(argc);
argv_ = argv;
}
void FunctionContext::CheckIndex(unsigned int index) const
{
if (index >= argc_)
{
throw OrthancSQLiteException(ErrorCode_ParameterOutOfRange);
}
}
ColumnType FunctionContext::GetColumnType(unsigned int index) const
{
CheckIndex(index);
return static_cast<SQLite::ColumnType>(sqlite3_value_type(argv_[index]));
}
unsigned int FunctionContext::GetParameterCount() const
{
return argc_;
}
int FunctionContext::GetIntValue(unsigned int index) const
{
CheckIndex(index);
return sqlite3_value_int(argv_[index]);
}
int64_t FunctionContext::GetInt64Value(unsigned int index) const
{
CheckIndex(index);
return sqlite3_value_int64(argv_[index]);
}
double FunctionContext::GetDoubleValue(unsigned int index) const
{
CheckIndex(index);
return sqlite3_value_double(argv_[index]);
}
std::string FunctionContext::GetStringValue(unsigned int index) const
{
CheckIndex(index);
return std::string(reinterpret_cast<const char*>(sqlite3_value_text(argv_[index])));
}
bool FunctionContext::IsNullValue(unsigned int index) const
{
CheckIndex(index);
return sqlite3_value_type(argv_[index]) == SQLITE_NULL;
}
void FunctionContext::SetNullResult()
{
sqlite3_result_null(context_);
}
void FunctionContext::SetIntResult(int value)
{
sqlite3_result_int(context_, value);
}
void FunctionContext::SetDoubleResult(double value)
{
sqlite3_result_double(context_, value);
}
void FunctionContext::SetStringResult(const std::string& str)
{
sqlite3_result_text(context_, str.data(), static_cast<int>(str.size()), SQLITE_TRANSIENT);
}
}
}