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annotate src/player.cc @ 21:973734ebd2be

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dep/animone: REFACTOR ALL THE THINGS 1: animone now has its own syntax divergent from anisthesia, making different platforms actually have their own sections 2: process names in animone are now called `comm' (this will probably break things). this is what its called in bsd/linux so I'm just going to use it everywhere 3: the X11 code now checks for the existence of a UTF-8 window title and passes it if available 4: ANYTHING THATS NOT LINUX IS 100% UNTESTED AND CAN AND WILL BREAK! I still actually need to test the bsd code. to be honest I'm probably going to move all of the bsds into separate files because they're all essentially different operating systems at this point
author Paper <paper@paper.us.eu.org>
date Wed, 19 Jun 2024 12:51:15 -0400
parents 27b988a1048c
children 93224b26a0ee
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Paper <paper@paper.us.eu.org>
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1 #include "animone/player.h"
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2 #include "animone/util.h"
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3
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4 #include <map>
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5 #include <sstream>
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6 #include <string>
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7 #include <vector>
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8 #include <optional>
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9
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10 #include <iostream>
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11
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12 namespace animone {
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13
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14 namespace internal::parser {
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15
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16 struct State {
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17 enum class Name {
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18 ExpectPlayerName,
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19 ExpectSection,
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20 ExpectWindowPlatform,
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21 ExpectExecutablePlatform,
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22 ExpectWindow,
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23 ExpectExecutable,
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24 ExpectStrategy,
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25 ExpectType,
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26 ExpectWindowTitle,
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27 };
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28
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29 Name state = Name::ExpectPlayerName;
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30 WindowPlatform window_platform = WindowPlatform::Unknown;
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31 ExecutablePlatform executable_platform = ExecutablePlatform::Unknown;
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32 };
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33
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34 size_t GetIndentation(const std::string& line) {
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35 return line.find_first_not_of('\t');
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36 }
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37
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38 bool HandleIndentation(const size_t current, const std::vector<Player>& players, State& state) {
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39 // Each state has a definitive expected indentation
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40 const auto expected = [](const State::Name& state) -> size_t {
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41 switch (state) {
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42 default:
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43 case State::Name::ExpectPlayerName: return 0;
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44 case State::Name::ExpectSection: return 1;
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45 case State::Name::ExpectWindowPlatform:
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46 case State::Name::ExpectExecutablePlatform:
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47 case State::Name::ExpectStrategy:
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48 case State::Name::ExpectType: return 2;
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49 case State::Name::ExpectWindow:
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50 case State::Name::ExpectExecutable:
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51 case State::Name::ExpectWindowTitle: return 3;
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52 }
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53 }(state.state);
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54
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55 if (current > expected) {
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56 std::cerr << "animone: excessive indentation found" << std::endl;
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57 return false; // Disallow excessive indentation
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58 }
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59
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60 if (current < expected) {
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61 const std::optional<State::Name> st = [current, state]() -> std::optional<State::Name> {
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62 switch (current) {
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63 case 0: return State::Name::ExpectPlayerName;
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64 default:
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65 case 1: return State::Name::ExpectSection;
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66 case 2:
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67 switch (state.state) {
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68 case State::Name::ExpectWindow: return State::Name::ExpectWindowPlatform;
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69 case State::Name::ExpectExecutable: return State::Name::ExpectExecutablePlatform;
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70 default: return std::nullopt;
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71 }
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72 }
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73 }();
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74 if (!st.has_value())
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75 return false;
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76
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77 switch (state.state) {
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78 case State::Name::ExpectWindow:
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79 if (players.back().windows.empty())
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80 return false;
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81 state.state = st.value();
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82 break;
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83 case State::Name::ExpectExecutable:
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84 if (players.back().executables.empty())
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85 return false;
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86 state.state = st.value();
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87 break;
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88 case State::Name::ExpectStrategy:
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89 if (players.back().strategies.empty())
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90 return false;
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91 state.state = st.value();
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92 break;
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93 case State::Name::ExpectType:
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94 state.state = st.value();
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95 break;
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96 case State::Name::ExpectWindowTitle:
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97 return false;
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98 }
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99 }
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100
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101 return true;
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102 }
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103
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104 bool HandleState(std::string& line, std::vector<Player>& players, State& state) {
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105 switch (state.state) {
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106 case State::Name::ExpectPlayerName:
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107 players.push_back(Player());
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108 players.back().name = line;
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109 state.state = State::Name::ExpectSection;
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110 break;
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111
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112 case State::Name::ExpectSection: {
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113 static const std::map<std::string, State::Name> sections = {
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114 {"windows", State::Name::ExpectWindowPlatform},
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115 {"executables", State::Name::ExpectExecutablePlatform},
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116 {"strategies", State::Name::ExpectStrategy },
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117 {"type", State::Name::ExpectType },
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118 };
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119 util::TrimRight(line, ":");
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120 const auto it = sections.find(line);
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121 if (it == sections.end())
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122 return false;
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123 state.state = it->second;
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124 break;
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125 }
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126
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127 case State::Name::ExpectWindowPlatform: {
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128 static const std::map<std::string, WindowPlatform> platforms = {
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129 {"quartz", WindowPlatform::Quartz},
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130 {"win32", WindowPlatform::Win32},
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131 {"x11", WindowPlatform::X11},
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132 };
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133 util::TrimRight(line, ":");
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134 const auto it = platforms.find(line);
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135 if (it == platforms.end())
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136 return false;
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137 state.state = State::Name::ExpectWindow;
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138 state.window_platform = it->second;
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139 break;
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140 }
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141
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142 case State::Name::ExpectExecutablePlatform: {
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143 static const std::map<std::string, ExecutablePlatform> platforms = {
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144 {"posix", ExecutablePlatform::Posix},
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145 {"win32", ExecutablePlatform::Win32},
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146 {"macosx", ExecutablePlatform::Xnu},
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147 };
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148 util::TrimRight(line, ":");
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149 const auto it = platforms.find(line);
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150 if (it == platforms.end())
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151 return false;
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152 state.state = State::Name::ExpectExecutable;
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153 state.executable_platform = it->second;
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154 break;
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155 }
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156
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157 case State::Name::ExpectWindow: players.back().windows[state.window_platform].push_back(line); break;
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158
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159 case State::Name::ExpectExecutable: players.back().executables[state.executable_platform].push_back(line); break;
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160
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161 case State::Name::ExpectStrategy: {
14
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162 static const std::map<std::string, Strategy> strategies = {
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163 {"window_title", Strategy::WindowTitle },
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164 {"open_files", Strategy::OpenFiles },
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165 {"ui_automation", Strategy::UiAutomation},
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166 };
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167 util::TrimRight(line, ":");
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168 const auto it = strategies.find(line);
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169 if (it == strategies.end())
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170 return false;
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171 const auto strategy = it->second;
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172 players.back().strategies.push_back(strategy);
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173 switch (strategy) {
21
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174 case Strategy::WindowTitle: state.state = State::Name::ExpectWindowTitle; break;
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175 }
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176 break;
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177 }
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178
21
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179 case State::Name::ExpectType: {
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180 static const std::map<std::string, PlayerType> types = {
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181 {"default", PlayerType::Default },
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182 {"web_browser", PlayerType::WebBrowser},
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183 };
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184 const auto it = types.find(line);
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185 if (it == types.end())
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186 return false;
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187 players.back().type = it->second;
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188 break;
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189 }
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190
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191 case State::Name::ExpectWindowTitle:
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192 players.back().window_title_format = line;
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193 state.state = State::Name::ExpectStrategy;
14
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194 break;
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195 }
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196
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197 return true;
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198 }
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199
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200 } // namespace internal::parser
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201
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202 ////////////////////////////////////////////////////////////////////////////////
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203
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204 bool ParsePlayersData(const std::string& data, std::vector<Player>& players) {
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205 if (data.empty())
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206 return false;
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207
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208 std::istringstream stream(data);
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209 std::string line;
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210 size_t indentation = 0;
21
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211 internal::parser::State state;
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212
21
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213 int ln = 1;
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214 for (; std::getline(stream, line, '\n'); ln++) {
14
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215 if (line.empty())
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216 continue; // Ignore empty lines
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217
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218 indentation = internal::parser::GetIndentation(line);
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219
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220 internal::util::TrimLeft(line, "\t");
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221 internal::util::TrimRight(line, "\n\r");
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222
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223 if (line.empty() || line.front() == '#')
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224 continue; // Ignore empty lines and comments
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225
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226 if (!internal::parser::HandleIndentation(indentation, players, state)) {
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227 std::cerr << "animone: indentation: failed on line " << ln << std::endl;
14
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228 return false;
21
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229 }
14
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230
21
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231 if (!internal::parser::HandleState(line, players, state)) {
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232 std::cerr << "animone: state: failed on line " << ln << std::endl;
14
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233 return false;
21
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234 }
14
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235 }
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Paper <paper@paper.us.eu.org>
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236
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Paper <paper@paper.us.eu.org>
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237 return !players.empty();
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Paper <paper@paper.us.eu.org>
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238 }
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239
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Paper <paper@paper.us.eu.org>
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240 bool ParsePlayersFile(const std::string& path, std::vector<Player>& players) {
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241 std::string data;
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242
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Paper <paper@paper.us.eu.org>
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diff changeset
243 if (!internal::util::ReadFile(path, data))
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Paper <paper@paper.us.eu.org>
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244 return false;
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Paper <paper@paper.us.eu.org>
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245
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Paper <paper@paper.us.eu.org>
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246 return ParsePlayersData(data, players);
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247 }
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248
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249 } // namespace animone