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/**
* Copyright (c) 2007-2012, Timothy Stack
*
* 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 Timothy Stack 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 REGENTS 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 REGENTS 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.
*/
#ifndef db_sub_source_hh
#define db_sub_source_hh
#include <iterator>
#include <string>
#include <vector>
#include <sqlite3.h>
#include "ArenaAlloc/arenaalloc.h"
#include "hist_source.hh"
#include "shlex.resolver.hh"
#include "textview_curses.hh"
class db_label_source
: public text_sub_source
, public text_time_translator {
public:
~db_label_source() override { this->clear(); }
bool has_log_time_column() const { return !this->dls_time_column.empty(); }
size_t text_line_count() override { return this->dls_rows.size(); }
size_t text_size_for_line(textview_curses& tc,
int line,
line_flags_t flags) override
{
return this->text_line_width(tc);
}
size_t text_line_width(textview_curses& curses) override
{
size_t retval = 0;
for (auto& dls_header : this->dls_headers) {
retval += dls_header.hm_column_size + 1;
}
return retval;
}
void text_value_for_line(textview_curses& tc,
int row,
std::string& label_out,
line_flags_t flags) override;
void text_attrs_for_line(textview_curses& tc,
int row,
string_attrs_t& sa) override;
void push_header(const std::string& colstr, int type, bool graphable);
void push_column(const scoped_value_t& sv);
void clear();
nonstd::optional<size_t> column_name_to_index(
const std::string& name) const;
nonstd::optional<vis_line_t> row_for_time(
struct timeval time_bucket) override;
nonstd::optional<struct timeval> time_for_row(vis_line_t row) override
{
if ((row < 0_vl) || (((size_t) row) >= this->dls_time_column.size())) {
return nonstd::nullopt;
}
return this->dls_time_column[row];
}
struct header_meta {
explicit header_meta(std::string name) : hm_name(std::move(name)) {}
bool operator==(const std::string& name) const
{
return this->hm_name == name;
}
std::string hm_name;
int hm_column_type{SQLITE3_TEXT};
unsigned int hm_sub_type{0};
bool hm_graphable{false};
size_t hm_column_size{0};
text_attrs hm_title_attrs;
};
stacked_bar_chart<std::string> dls_chart;
std::vector<header_meta> dls_headers;
std::vector<std::vector<const char*>> dls_rows;
std::vector<struct timeval> dls_time_column;
std::vector<size_t> dls_cell_width;
int dls_time_column_index{-1};
nonstd::optional<size_t> dls_time_column_invalidated_at;
std::unique_ptr<ArenaAlloc::Alloc<char>> dls_allocator{
std::make_unique<ArenaAlloc::Alloc<char>>(64 * 1024)};
static const char NULL_STR[];
};
class db_overlay_source : public list_overlay_source {
public:
size_t list_overlay_count(const listview_curses& lv);
bool list_value_for_overlay(const listview_curses& lv,
int y,
int bottom,
vis_line_t row,
attr_line_t& value_out) override;
bool dos_active{false};
db_label_source* dos_labels{nullptr};
std::vector<attr_line_t> dos_lines;
};
#endif
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