aboutsummaryrefslogtreecommitdiff
path: root/src/plugins/utils/EpisodeNameParser.cpp
blob: e31495311cb9eba0063f4220ca1f80d232148137 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
#include "../../../plugins/utils/EpisodeNameParser.hpp"

namespace QuickMedia {
    static bool has_season_in_name(std::string_view episode_name) {
        size_t sep_count = 0;
        size_t index = 0;
        while(true) {
            size_t next_index = episode_name.find(" - ", index);
            if(next_index == std::string_view::npos)
                break;

            index = next_index + 3;
            ++sep_count;
        }
        return sep_count >= 2;
    }

    static bool is_whitespace(char c) {
        return c == ' ' || c == '\n' || c == '\t' || c == '\v';
    }

    static std::string_view strip_left(std::string_view str) {
        size_t i = 0;
        for(; i < str.size(); ++i) {
            if(!is_whitespace(str[i]))
                break;
        }
        return str.substr(i);
    }

    static std::string_view strip_right(std::string_view str) {
        long i = (long)str.size() - 1;
        for(; i >= 0; --i) {
            if(!is_whitespace(str[i]))
                break;
        }
        return str.substr(0, i + 1);
    }

    static std::string_view episode_name_extract_group(std::string_view &episode_name) {
        episode_name = strip_left(episode_name);
        if(episode_name[0] == '[') {
            size_t group_end_index = episode_name.find(']', 1);
            if(group_end_index == std::string_view::npos)
                return {};

            std::string_view group = episode_name.substr(1, group_end_index - 1);
            episode_name.remove_prefix(group_end_index + 1);
            return group;
        }
        return {};
    }

    static std::string_view episode_name_extract_anime(std::string_view &episode_name) {
        episode_name = strip_left(episode_name);
        size_t episode_or_season_sep_index = episode_name.find(" - ");
        if(episode_or_season_sep_index == std::string_view::npos)
            episode_or_season_sep_index = episode_name.size();

        std::string_view anime = episode_name.substr(0, episode_or_season_sep_index);
        anime = strip_right(anime);
        if(episode_or_season_sep_index + 3 > episode_name.size())
            episode_name = {};
        else
            episode_name.remove_prefix(episode_or_season_sep_index + 3);

        return anime;
    }

    static std::string_view episode_name_extract_season(std::string_view &episode_name) {
        return episode_name_extract_anime(episode_name);
    }

    static bool is_real_num(char c) {
        return (c >= '0' && c <= '9') || c == '.';
    }

    static std::string_view episode_name_extract_episode(std::string_view &episode_name) {
        episode_name = strip_left(episode_name);
        size_t i = 0;
        for(; i < episode_name.size(); ++i) {
            if(!is_real_num(episode_name[i]))
                break;
        }

        if(i == 0)
            return {};

        std::string_view episode = episode_name.substr(0, i);
        episode_name.remove_prefix(i + 1);
        return episode;
    }
    
    static bool ends_with(std::string_view str, std::string_view substr) {
        return str.size() >= substr.size() && str.substr(str.size() - substr.size()) == substr;
    }

    std::optional<EpisodeNameParts> episode_name_extract_parts(std::string_view episode_name) {
        EpisodeNameParts name_parts;
        const bool has_season = has_season_in_name(episode_name);

        name_parts.group = episode_name_extract_group(episode_name);
        name_parts.anime = episode_name_extract_anime(episode_name);
        if(name_parts.anime.empty())
            return std::nullopt;
        
        if(has_season)
            name_parts.season = episode_name_extract_season(episode_name);

        name_parts.episode = episode_name_extract_episode(episode_name);
        if(name_parts.episode.empty())
            return std::nullopt;

        if(episode_name.find("480p") != std::string_view::npos)
            name_parts.resolution = "480p";
        else if(episode_name.find("720p") != std::string_view::npos)
            name_parts.resolution = "720p";
        else if(episode_name.find("1080p") != std::string_view::npos)
            name_parts.resolution = "1080p";
        else if(episode_name.find("2160p") != std::string_view::npos)
            name_parts.resolution = "2160p";
        else if(episode_name.find("1280x720") != std::string_view::npos)
            name_parts.resolution = "1280x720";
        else if(episode_name.find("1920x1080") != std::string_view::npos)
            name_parts.resolution = "1920x1080";
        else if(episode_name.find("3840x2160") != std::string_view::npos)
            name_parts.resolution = "3840x2160";

        if(ends_with(episode_name, ".mkv"))
            name_parts.file_ext = ".mkv";
        else if(ends_with(episode_name, ".mp4"))
            name_parts.file_ext = ".mp4";
        else if(ends_with(episode_name, ".avi"))
            name_parts.file_ext = ".avi";
        else if(ends_with(episode_name, ".webm"))
            name_parts.file_ext = ".webm";
        else if(ends_with(episode_name, ".wmv"))
            name_parts.file_ext = ".wmv";
        else if(ends_with(episode_name, ".mp3"))
            name_parts.file_ext = ".mp3";
        else if(ends_with(episode_name, ".flac"))
            name_parts.file_ext = ".flac";
        else if(ends_with(episode_name, ".opus"))
            name_parts.file_ext = ".opus";
        else if(ends_with(episode_name, ".wav"))
            name_parts.file_ext = ".wav";
        else if(ends_with(episode_name, ".ogg"))
            name_parts.file_ext = ".ogg";

        return name_parts;
    }
}