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/**
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* Copyright (c) 2019, 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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#ifndef styling_hh
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#define styling_hh
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#include <map>
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#include <string>
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#include <utility>
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#include <vector>
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#include "base/intern_string.hh"
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#include "base/result.h"
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#include "log_level.hh"
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#include "mapbox/variant.hpp"
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struct rgb_color {
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static Result<rgb_color, std::string> from_str(const string_fragment& sf);
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explicit rgb_color(short r = -1, short g = -1, short b = -1)
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: rc_r(r), rc_g(g), rc_b(b)
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{
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}
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bool empty() const
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{
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return this->rc_r == -1 && this->rc_g == -1 && this->rc_b == -1;
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}
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bool operator==(const rgb_color& rhs) const;
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bool operator!=(const rgb_color& rhs) const;
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bool operator<(const rgb_color& rhs) const;
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bool operator>(const rgb_color& rhs) const;
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bool operator<=(const rgb_color& rhs) const;
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bool operator>=(const rgb_color& rhs) const;
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short rc_r;
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short rc_g;
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short rc_b;
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};
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struct lab_color {
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lab_color() : lc_l(0), lc_a(0), lc_b(0) {}
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explicit lab_color(const rgb_color& rgb);
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double deltaE(const lab_color& other) const;
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lab_color& operator=(const lab_color& other)
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{
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this->lc_l = other.lc_l;
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this->lc_a = other.lc_a;
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this->lc_b = other.lc_b;
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return *this;
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}
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bool operator==(const lab_color& rhs) const;
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bool operator!=(const lab_color& rhs) const;
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bool operator<(const lab_color& rhs) const;
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bool operator>(const lab_color& rhs) const;
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bool operator<=(const lab_color& rhs) const;
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bool operator>=(const lab_color& rhs) const;
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double lc_l;
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double lc_a;
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double lc_b;
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};
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struct term_color {
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short xc_id;
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std::string xc_name;
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std::string xc_hex;
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rgb_color xc_color;
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lab_color xc_lab_color;
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};
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struct term_color_palette {
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term_color_palette(const char* name, const string_fragment& json);
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short match_color(const lab_color& to_match);
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std::vector<term_color> tc_palette;
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};
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namespace styling {
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struct semantic {
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};
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class color_unit {
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public:
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static Result<color_unit, std::string> from_str(const string_fragment& sf);
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static color_unit make_empty()
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{
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return color_unit{rgb_color{}};
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}
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bool empty() const
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{
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return this->cu_value.match(
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[](semantic) { return false; },
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[](const rgb_color& rc) { return rc.empty(); });
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}
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using variants_t = mapbox::util::variant<semantic, rgb_color>;
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variants_t cu_value;
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private:
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explicit color_unit(variants_t value) : cu_value(std::move(value)) {}
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};
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} // namespace styling
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struct style_config {
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std::string sc_color;
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std::string sc_background_color;
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bool sc_underline{false};
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bool sc_bold{false};
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};
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struct highlighter_config {
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std::string hc_regex;
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style_config hc_style;
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};
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struct lnav_theme {
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std::map<std::string, std::string> lt_vars;
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style_config lt_style_identifier;
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style_config lt_style_text;
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style_config lt_style_alt_text;
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style_config lt_style_ok;
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style_config lt_style_error;
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style_config lt_style_warning;
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style_config lt_style_popup;
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style_config lt_style_focused;
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style_config lt_style_disabled_focused;
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style_config lt_style_scrollbar;
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style_config lt_style_hidden;
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style_config lt_style_adjusted_time;
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style_config lt_style_skewed_time;
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style_config lt_style_offset_time;
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style_config lt_style_invalid_msg;
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style_config lt_style_status_title;
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style_config lt_style_status_title_hotkey;
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style_config lt_style_status_disabled_title;
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style_config lt_style_status_subtitle;
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style_config lt_style_status_hotkey;
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style_config lt_style_keyword;
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style_config lt_style_string;
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style_config lt_style_comment;
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style_config lt_style_doc_directive;
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style_config lt_style_variable;
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style_config lt_style_symbol;
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style_config lt_style_number;
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style_config lt_style_re_special;
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style_config lt_style_re_repeat;
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style_config lt_style_diff_delete;
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style_config lt_style_diff_add;
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style_config lt_style_diff_section;
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style_config lt_style_low_threshold;
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style_config lt_style_med_threshold;
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style_config lt_style_high_threshold;
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style_config lt_style_status;
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style_config lt_style_warn_status;
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style_config lt_style_alert_status;
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style_config lt_style_active_status;
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style_config lt_style_inactive_status;
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style_config lt_style_inactive_alert_status;
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style_config lt_style_file;
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style_config lt_style_header[6];
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style_config lt_style_list_glyph;
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style_config lt_style_breadcrumb;
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std::map<log_level_t, style_config> lt_level_styles;
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std::map<std::string, highlighter_config> lt_highlights;
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};
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extern term_color_palette* xterm_colors();
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extern term_color_palette* ansi_colors();
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#endif
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