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📄 database.hpp(3.92 KB)
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📄 database_test.cpp(8.91 KB)
📄 exceptions.cpp(5.23 KB)
📄 exceptions.hpp(3.24 KB)
📄 exceptions_test.cpp(4.57 KB)
📄 statement.cpp(18.69 KB)
📄 statement.hpp(4.09 KB)
📄 statement.ipp(2.25 KB)
📄 statement_fwd.hpp(2.01 KB)
📄 statement_test.cpp(26.77 KB)
📄 test_utils.hpp(5.37 KB)
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📄 transaction.hpp(2.35 KB)
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Editing: statement.hpp

// Copyright 2011 The Kyua Authors.
// All rights reserved.
//
// 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 Google Inc. 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.

/// \file utils/sqlite/statement.hpp
/// Wrapper classes and utilities for SQLite statement processing.
///
/// This module contains thin RAII wrappers around the SQLite 3 structures
/// representing statements.

#if !defined(UTILS_SQLITE_STATEMENT_HPP)
#define UTILS_SQLITE_STATEMENT_HPP

#include "utils/sqlite/statement_fwd.hpp"

extern "C" {
#include <stdint.h>
}

#include <memory>
#include <string>

#include "utils/sqlite/database_fwd.hpp"

namespace utils {
namespace sqlite {

/// Representation of a BLOB.
class blob {
public:
    /// Memory representing the contents of the blob, or NULL if empty.
    ///
    /// This memory must remain valid throughout the life of this object, as we
    /// do not grab ownership of the memory.
    const void* memory;

/// Number of bytes in memory.
    int size;

/// Constructs a new blob.
    ///
    /// \param memory_ Pointer to the contents of the blob.
    /// \param size_ The size of memory_.
    blob(const void* memory_, const int size_) :
        memory(memory_), size(size_)
    {
    }
};

/// Representation of a SQL NULL value.
class null {
};

/// A RAII model for an SQLite 3 statement.
class statement {
    struct impl;

/// Pointer to the shared internal implementation.
    std::shared_ptr< impl > _pimpl;

statement(database&, void*);
    friend class database;

public:
    ~statement(void);

bool step(void);
    void step_without_results(void);

int column_count(void);
    std::string column_name(const int);
    type column_type(const int);
    int column_id(const char*);

blob column_blob(const int);
    double column_double(const int);
    int column_int(const int);
    int64_t column_int64(const int);
    std::string column_text(const int);
    int column_bytes(const int);

blob safe_column_blob(const char*);
    double safe_column_double(const char*);
    int safe_column_int(const char*);
    int64_t safe_column_int64(const char*);
    std::string safe_column_text(const char*);
    int safe_column_bytes(const char*);

void reset(void);

void bind(const int, const blob&);
    void bind(const int, const double);
    void bind(const int, const int);
    void bind(const int, const int64_t);
    void bind(const int, const null&);
    void bind(const int, const std::string&);
    template< class T > void bind(const char*, const T&);

int bind_parameter_count(void);
    int bind_parameter_index(const std::string&);
    std::string bind_parameter_name(const int);

void clear_bindings(void);
};

}  // namespace sqlite
}  // namespace utils

#endif  // !defined(UTILS_SQLITE_STATEMENT_HPP)

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