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/**
* Copyright (c) 2022, 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 lnav_console_hh
#define lnav_console_hh
#include <set>
#include <vector>
#include "base/attr_line.hh"
#include "base/file_range.hh"
namespace lnav {
namespace console {
void println(FILE* file, const attr_line_t& al);
struct snippet {
static snippet from(intern_string_t src, const attr_line_t& content)
{
snippet retval;
retval.s_location.sl_source = src;
retval.s_content = content;
return retval;
}
static snippet from(source_location loc, const attr_line_t& content)
{
snippet retval;
retval.s_location = loc;
retval.s_content = content;
return retval;
}
snippet& with_line(int32_t line)
{
this->s_location.sl_line_number = line;
return *this;
}
source_location s_location;
attr_line_t s_content;
};
struct user_message {
enum class level {
raw,
ok,
info,
warning,
error,
};
static user_message raw(const attr_line_t& al);
static user_message error(const attr_line_t& al);
static user_message warning(const attr_line_t& al);
static user_message info(const attr_line_t& al);
static user_message ok(const attr_line_t& al);
user_message& with_reason(const attr_line_t& al)
{
this->um_reason = al;
this->um_reason.rtrim();
return *this;
}
user_message& with_reason(const user_message& um)
{
return this->with_reason(um.to_attr_line({}));
}
user_message& with_errno_reason()
{
this->um_reason = strerror(errno);
return *this;
}
user_message& with_snippet(const snippet& sn)
{
this->um_snippets.emplace_back(sn);
return *this;
}
template<typename C>
user_message& with_snippets(C snippets)
{
this->um_snippets.insert(this->um_snippets.end(),
std::make_move_iterator(std::begin(snippets)),
std::make_move_iterator(std::end(snippets)));
if (this->um_snippets.size() > 1) {
for (auto iter = this->um_snippets.begin();
iter != this->um_snippets.end();) {
if (iter->s_content.empty()) {
iter = this->um_snippets.erase(iter);
} else {
++iter;
}
}
}
return *this;
}
user_message& with_note(const attr_line_t& al)
{
if (!al.blank()) {
this->um_notes.emplace_back(al);
}
return *this;
}
user_message& with_help(const attr_line_t& al)
{
if (al.blank()) {
this->um_help.clear();
} else {
this->um_help = al;
this->um_help.rtrim();
}
return *this;
}
enum class render_flags {
prefix,
};
attr_line_t to_attr_line(std::set<render_flags> flags
= {render_flags::prefix}) const;
level um_level{level::ok};
attr_line_t um_message;
std::vector<snippet> um_snippets;
attr_line_t um_reason;
std::vector<attr_line_t> um_notes;
attr_line_t um_help;
};
void print(FILE* file, const user_message& um);
} // namespace console
} // namespace lnav
#endif
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