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/**
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* Copyright (c) 2013, 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 ON
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* 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 state-extension-functions.cc
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*/
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#include "config.h"
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#include <stdio.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <string>
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#include "sqlite3.h"
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#include "lnav.hh"
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#include "sql_util.hh"
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#include "vtab_module.hh"
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static int64_t sql_log_top_line()
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{
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return (int64_t) lnav_data.ld_views[LNV_LOG].get_top();
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}
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static std::string sql_log_top_datetime()
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{
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char buffer[64];
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sql_strftime(buffer, sizeof(buffer),
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lnav_data.ld_top_time,
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lnav_data.ld_top_time_millis);
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return buffer;
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}
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int state_extension_functions(struct FuncDef **basic_funcs,
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struct FuncDefAgg **agg_funcs)
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{
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static struct FuncDef datetime_funcs[] = {
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sqlite_func_adapter<decltype(&sql_log_top_line), sql_log_top_line>::builder(
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help_text("log_top_line",
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"Return the line number at the top of the log view.")
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.sql_function()
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),
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sqlite_func_adapter<decltype(&sql_log_top_datetime), sql_log_top_datetime>::builder(
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help_text("log_top_datetime",
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"Return the timestamp of the line at the top of the log view.")
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.sql_function()
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),
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{ NULL }
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};
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*basic_funcs = datetime_funcs;
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return SQLITE_OK;
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}
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