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annotate dep/animone/src/strategist.cc @ 337:a7d4e5107531

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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 b1f625b0227c
children 74e2365326c6
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1 #include <regex>
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2 #include <unordered_map>
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3
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4 #include "animone.h"
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5 #include "animone/fd.h"
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6 #include "animone/strategies.h"
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7 #include "animone/util.h"
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8
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9 /* this was STUPIDLY slow in Anisthesia, oops! */
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10
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11 namespace animone::internal {
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12
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13 static bool ApplyWindowTitleFormat(const std::string& format, std::string& title) {
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14 if (format.empty())
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15 return false;
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16
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17 const std::regex pattern(format);
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18 std::smatch match;
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19 std::regex_match(title, match, pattern);
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20
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21 // Use the first non-empty match result, because the regular expression may
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22 // contain multiple sub-expressions.
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23 for (size_t i = 1; i < match.size(); ++i) {
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24 if (!match.str(i).empty()) {
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25 title = match.str(i);
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26 return true;
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27 }
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28 }
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29
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30 // Results are empty, but the match was successful
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31 if (!match.empty()) {
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32 title.clear();
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33 return true;
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34 }
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35
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36 return true;
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37 }
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38
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39 static MediaInfoType InferMediaInformationType(const std::string& str) {
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40 const std::regex path_pattern(R"(^(?:[A-Za-z]:[/\\]|\\\\)[^<>:"/\\|?*]+)");
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41 return (std::regex_search(str, path_pattern)) ? MediaInfoType::File : MediaInfoType::Unknown;
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42 }
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43
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44 static bool AddMedia(Result& result, const MediaInfo media_information) {
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45 if (media_information.value.empty())
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46 return false;
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47
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48 Media media;
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49 media.information.push_back(media_information);
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50 result.media.push_back(std::move(media));
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51
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52 return true;
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53 }
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54
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55 static bool ApplyWindowTitleStrategy(std::vector<Result>& results) {
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56 bool success = false;
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57
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58 for (auto& result : results) {
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59 auto title = result.window.text;
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60 if (title.empty())
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61 continue;
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62
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63 ApplyWindowTitleFormat(result.player.window_title_format, title);
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64
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65 success |= AddMedia(result, {InferMediaInformationType(title), title});
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66 }
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67
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68 return success;
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69 }
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70
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71 static bool ApplyOpenFilesStrategy(std::vector<Result>& results) {
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72 bool success = false;
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73
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74 /* map pids to our results, saves time with open_file_proc */
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75 std::unordered_map<pid_t, Result*> pid_map;
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76 std::set<pid_t> pids;
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77
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78 for (Result& result : results) {
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79 const pid_t pid = result.process.pid;
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80 if (!pid)
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81 continue;
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82
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83 pid_map.insert({pid, &result});
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84 pids.insert(pid);
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85 }
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86
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87 auto open_file_proc = [&](const OpenFile& file) -> bool {
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88 success |= AddMedia(*pid_map[file.pid], {MediaInfoType::File, file.path});
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89 return true;
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90 };
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91
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92 EnumerateOpenFiles(pids, open_file_proc);
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93
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94 return success;
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95 }
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96
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97 bool ApplyStrategies(std::vector<Result>& results) {
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98 bool success = false;
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99
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100 success |= ApplyWindowTitleStrategy(results);
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101 success |= ApplyOpenFilesStrategy(results);
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102
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103 return success;
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104 }
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105
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106 ////////////////////////////////////////////////////////////////////////////////
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107
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108 } // namespace animone::internal