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3719602c PC |
1 | /* Copyright (C) 2010-2020 The RetroArch team |
2 | * | |
3 | * --------------------------------------------------------------------------------------- | |
4 | * The following license statement only applies to this file (label_sanitization.c). | |
5 | * --------------------------------------------------------------------------------------- | |
6 | * | |
7 | * Permission is hereby granted, free of charge, | |
8 | * to any person obtaining a copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation the rights to | |
10 | * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, | |
11 | * and to permit persons to whom the Software is furnished to do so, subject to the following conditions: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, | |
16 | * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
19 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
21 | */ | |
22 | ||
23 | #include <playlists/label_sanitization.h> | |
24 | #include <compat/strl.h> | |
25 | #include <retro_miscellaneous.h> | |
26 | #include <string/stdstring.h> | |
27 | #include <string.h> | |
28 | ||
29 | #define DISC_STRINGS_LENGTH 3 | |
30 | #define REGION_STRINGS_LENGTH 20 | |
31 | ||
32 | const char *disc_strings[DISC_STRINGS_LENGTH] = { | |
33 | "(CD", | |
34 | "(Disc", | |
35 | "(Disk" | |
36 | }; | |
37 | ||
38 | /* | |
39 | * We'll use the standard No-Intro regions for now. | |
40 | */ | |
41 | const char *region_strings[REGION_STRINGS_LENGTH] = { | |
42 | "(Australia)", /* Don’t use with Europe */ | |
43 | "(Brazil)", | |
44 | "(Canada)", /* Don’t use with USA */ | |
45 | "(China)", | |
46 | "(France)", | |
47 | "(Germany)", | |
48 | "(Hong Kong)", | |
49 | "(Italy)", | |
50 | "(Japan)", | |
51 | "(Korea)", | |
52 | "(Netherlands)", | |
53 | "(Spain)", | |
54 | "(Sweden)", | |
55 | "(USA)", /* Includes Canada */ | |
56 | "(World)", | |
57 | "(Europe)", /* Includes Australia */ | |
58 | "(Asia)", | |
59 | "(Japan, USA)", | |
60 | "(Japan, Europe)", | |
61 | "(USA, Europe)" | |
62 | }; | |
63 | ||
64 | /** | |
65 | * label_sanitize: | |
66 | * | |
67 | * NOTE: Does not work with nested blocks. | |
68 | **/ | |
69 | void label_sanitize(char *label, bool (*left)(char*), bool (*right)(char*)) | |
70 | { | |
71 | bool copy = true; | |
72 | int rindex = 0; | |
73 | int lindex = 0; | |
74 | char new_label[PATH_MAX_LENGTH]; | |
75 | ||
76 | for (; lindex < PATH_MAX_LENGTH && label[lindex] != '\0'; lindex++) | |
77 | { | |
78 | if (copy) | |
79 | { | |
80 | /* check for the start of the range */ | |
81 | if ((*left)(&label[lindex])) | |
82 | copy = false; | |
83 | else | |
84 | { | |
85 | const bool whitespace = label[lindex] == ' ' && (rindex == 0 || new_label[rindex - 1] == ' '); | |
86 | ||
87 | /* Simplify consecutive whitespaces */ | |
88 | if (!whitespace) | |
89 | new_label[rindex++] = label[lindex]; | |
90 | } | |
91 | } | |
92 | else if ((*right)(&label[lindex])) | |
93 | copy = true; | |
94 | } | |
95 | ||
96 | /* Trim trailing whitespace */ | |
97 | if (rindex > 0 && new_label[rindex - 1] == ' ') | |
98 | new_label[rindex - 1] = '\0'; | |
99 | else | |
100 | new_label[rindex] = '\0'; | |
101 | ||
102 | strlcpy(label, new_label, PATH_MAX_LENGTH); | |
103 | } | |
104 | ||
105 | static bool left_parens(char *left) | |
106 | { | |
107 | return left[0] == '('; | |
108 | } | |
109 | ||
110 | static bool right_parens(char *right) | |
111 | { | |
112 | return right[0] == ')'; | |
113 | } | |
114 | ||
115 | static bool left_brackets(char *left) | |
116 | { | |
117 | return left[0] == '['; | |
118 | } | |
119 | ||
120 | static bool right_brackets(char *right) | |
121 | { | |
122 | return right[0] == ']'; | |
123 | } | |
124 | ||
125 | static bool left_parens_or_brackets(char *left) | |
126 | { | |
127 | return left[0] == '(' || left[0] == '['; | |
128 | } | |
129 | ||
130 | static bool right_parens_or_brackets(char *right) | |
131 | { | |
132 | return right[0] == ')' || right[0] == ']'; | |
133 | } | |
134 | ||
135 | static bool left_exclusion(char *left, | |
136 | const char **strings, const size_t strings_count) | |
137 | { | |
138 | unsigned i; | |
139 | char exclusion_string[32]; | |
140 | char comparison_string[32]; | |
141 | ||
142 | strlcpy(exclusion_string, left, sizeof(exclusion_string)); | |
143 | string_to_upper(exclusion_string); | |
144 | ||
145 | for (i = 0; i < (unsigned)strings_count; i++) | |
146 | { | |
147 | strlcpy(comparison_string, strings[i], sizeof(comparison_string)); | |
148 | string_to_upper(comparison_string); | |
149 | ||
150 | if (string_starts_with(exclusion_string, | |
151 | comparison_string)) | |
152 | return true; | |
153 | } | |
154 | ||
155 | return false; | |
156 | } | |
157 | ||
158 | static bool left_parens_or_brackets_excluding_region(char *left) | |
159 | { | |
160 | return left_parens_or_brackets(left) | |
161 | && !left_exclusion(left, region_strings, REGION_STRINGS_LENGTH); | |
162 | } | |
163 | ||
164 | static bool left_parens_or_brackets_excluding_disc(char *left) | |
165 | { | |
166 | return left_parens_or_brackets(left) | |
167 | && !left_exclusion(left, disc_strings, DISC_STRINGS_LENGTH); | |
168 | } | |
169 | ||
170 | static bool left_parens_or_brackets_excluding_region_or_disc(char *left) | |
171 | { | |
172 | return left_parens_or_brackets(left) | |
173 | && !left_exclusion(left, region_strings, REGION_STRINGS_LENGTH) | |
174 | && !left_exclusion(left, disc_strings, DISC_STRINGS_LENGTH); | |
175 | } | |
176 | ||
177 | void label_remove_parens(char *label) | |
178 | { | |
179 | label_sanitize(label, left_parens, right_parens); | |
180 | } | |
181 | ||
182 | void label_remove_brackets(char *label) | |
183 | { | |
184 | label_sanitize(label, left_brackets, right_brackets); | |
185 | } | |
186 | ||
187 | void label_remove_parens_and_brackets(char *label) | |
188 | { | |
189 | label_sanitize(label, left_parens_or_brackets, | |
190 | right_parens_or_brackets); | |
191 | } | |
192 | ||
193 | void label_keep_region(char *label) | |
194 | { | |
195 | label_sanitize(label, left_parens_or_brackets_excluding_region, | |
196 | right_parens_or_brackets); | |
197 | } | |
198 | ||
199 | void label_keep_disc(char *label) | |
200 | { | |
201 | label_sanitize(label, left_parens_or_brackets_excluding_disc, | |
202 | right_parens_or_brackets); | |
203 | } | |
204 | ||
205 | void label_keep_region_and_disc(char *label) | |
206 | { | |
207 | label_sanitize(label, left_parens_or_brackets_excluding_region_or_disc, | |
208 | right_parens_or_brackets); | |
209 | } |