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111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
/**
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* Copyright (c) 2022, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @file sqlitepp.hh
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*/
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#ifndef lnav_sqlitepp_hh
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#define lnav_sqlitepp_hh
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#include <string>
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#include <sqlite3.h>
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#include "base/auto_mem.hh"
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#include "base/intern_string.hh"
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#include "base/types.hh"
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/* XXX figure out how to do this with the template */
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void sqlite_close_wrapper(void* mem);
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using auto_sqlite3 = auto_mem<sqlite3, sqlite_close_wrapper>;
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namespace sqlitepp {
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inline auto_mem<char>
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quote(const std::optional<std::string>& str)
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{
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auto_mem<char> retval(sqlite3_free);
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if (str) {
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retval = sqlite3_mprintf("%Q", str.value().c_str());
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} else {
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retval = sqlite3_mprintf("NULL");
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}
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return retval;
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}
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extern const char* ERROR_PREFIX;
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struct bind_visitor {
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bind_visitor(sqlite3_stmt* stmt, int index) : bv_stmt(stmt), bv_index(index)
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{
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}
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void operator()(const std::string& str) const
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{
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sqlite3_bind_text(this->bv_stmt,
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this->bv_index,
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str.c_str(),
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str.size(),
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SQLITE_TRANSIENT);
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}
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void operator()(const string_fragment& str) const
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{
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sqlite3_bind_text(this->bv_stmt,
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this->bv_index,
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str.data(),
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str.length(),
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SQLITE_TRANSIENT);
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}
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void operator()(null_value_t) const
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{
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sqlite3_bind_null(this->bv_stmt, this->bv_index);
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}
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void operator()(int64_t value) const
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{
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sqlite3_bind_int64(this->bv_stmt, this->bv_index, value);
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}
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void operator()(double value) const
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{
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sqlite3_bind_double(this->bv_stmt, this->bv_index, value);
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}
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sqlite3_stmt* bv_stmt;
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int bv_index;
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};
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} // namespace sqlitepp
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#endif
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