src/gui/StyleSpec.h

   1 /*
   2 Minetest
   3 Copyright (C) 2019 rubenwardy
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "irrlichttypes_extrabloated.h"
  21
  22 #pragma once
  23
  24
  25 class StyleSpec
  26 {
  27 public:
  28         enum Property {
  29                 NONE = 0,
  30                 TEXTCOLOR,
  31                 BGCOLOR,
  32                 NUM_PROPERTIES
  33         };
  34
  35 private:
  36         std::unordered_map<Property, std::string> properties;
  37
  38 public:
  39         static Property GetPropertyByName(const std::string &name) {
  40                 if (name == "textcolor") {
  41                         return TEXTCOLOR;
  42                 } else if (name == "bgcolor") {
  43                         return BGCOLOR;
  44                 } else {
  45                         return NONE;
  46                 }
  47         }
  48
  49         std::string get(Property prop, std::string def) const {
  50                 auto it = properties.find(prop);
  51                 if (it == properties.end()) {
  52                         return def;
  53                 }
  54
  55                 return it->second;
  56         }
  57
  58         void set(Property prop, std::string value) {
  59                 properties[prop] = std::move(value);
  60         }
  61
  62         video::SColor getColor(Property prop, video::SColor def) const {
  63                 auto it = properties.find(prop);
  64                 if (it == properties.end()) {
  65                         return def;
  66                 }
  67
  68                 parseColorString(it->second, def, false, 0xFF);
  69                 return def;
  70         }
  71
  72         video::SColor getColor(Property prop) const {
  73                 auto it = properties.find(prop);
  74                 FATAL_ERROR_IF(it == properties.end(), "Unexpected missing property");
  75
  76                 video::SColor color;
  77                 parseColorString(it->second, color, false, 0xFF);
  78                 return color;
  79         }
  80
  81         bool hasProperty(Property prop) const {
  82                 return properties.find(prop) != properties.end();
  83         }
  84
  85         StyleSpec &operator|=(const StyleSpec &other) {
  86                 for (size_t i = 1; i < NUM_PROPERTIES; i++) {
  87                         auto prop = (Property)i;
  88                         if (other.hasProperty(prop)) {
  89                                 properties[prop] = other.get(prop, "");
  90                         }
  91                 }
  92
  93                 return *this;
  94         }
  95
  96         StyleSpec operator|(const StyleSpec &other) const {
  97                 StyleSpec newspec = *this;
  98                 newspec |= other;
  99                 return newspec;
 100         }
 101 };
 102