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1 | /*************************************************************************** |
2 | * Copyright (C) 2006 by Massimiliano Torromeo * |
3 | * massimiliano.torromeo@gmail.com * |
4 | * * |
5 | * This program is free software; you can redistribute it and/or modify * |
6 | * it under the terms of the GNU General Public License as published by * |
7 | * the Free Software Foundation; either version 2 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 General Public License for more details. * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the * |
17 | * Free Software Foundation, Inc., * |
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
19 | ***************************************************************************/ |
20 | |
21 | #ifndef UTILITIES_H |
22 | #define UTILITIES_H |
23 | |
24 | #include <string> |
25 | #include <vector> |
26 | #include <unordered_map> |
27 | |
28 | #include "inputmanager.h" |
29 | |
30 | typedef std::unordered_map<std::string, std::string, std::hash<std::string>> ConfStrHash; |
31 | typedef std::unordered_map<std::string, int, std::hash<std::string>> ConfIntHash; |
32 | |
33 | class case_less { |
34 | public: |
35 | bool operator()(const std::string &left, const std::string &right) const; |
36 | }; |
37 | |
38 | inline bool isUTF8Starter(char c) { |
39 | return (c & 0xC0) != 0x80; |
40 | } |
41 | |
42 | /** Returns the string with whitespace stripped from both ends. */ |
43 | std::string trim(const std::string& s); |
44 | /** Returns the string with whitespace stripped from the start. */ |
45 | std::string ltrim(const std::string& s); |
46 | /** Returns the string with whitespace stripped from the end. */ |
47 | std::string rtrim(const std::string& s); |
48 | |
49 | /** Returns the contents of the given file as a string. */ |
50 | std::string readFileAsString(std::string const& filename); |
51 | |
52 | /** |
53 | * Writes the given string to a file. |
54 | * The update is done atomically but not durably; if you need durability |
55 | * when fsync() the parent directory afterwards. |
56 | * @return True iff the file was written successfully. |
57 | */ |
58 | bool writeStringToFile(std::string const& filename, std::string const& data); |
59 | |
60 | /** |
61 | * Tells the file system to commit the given directory to disk. |
62 | * @return True iff the sync was successful. |
63 | */ |
64 | bool syncDir(std::string const& dirname); |
65 | |
66 | std::string strreplace(std::string orig, const std::string &search, const std::string &replace); |
67 | std::string cmdclean(std::string cmdline); |
68 | |
69 | /** |
70 | * Returns the parent directory of the given directory path, or "/" if there is |
71 | * no parent. |
72 | * This function does not check the file system: it is only string manipulation. |
73 | * @return The parent directory path, including a trailing '/'. |
74 | */ |
75 | std::string parentDir(std::string const& dir); |
76 | |
77 | inline std::string trimExtension(std::string const& filename) { |
78 | return filename.substr(0, filename.rfind('.')); |
79 | } |
80 | |
81 | bool fileExists(const std::string &file); |
82 | |
83 | /** |
84 | * Constructs a non-existing path in a given directory based on the given name. |
85 | */ |
86 | std::string uniquePath(std::string const& dir, std::string const& name); |
87 | |
88 | int constrain(int x, int imin, int imax); |
89 | |
90 | int evalIntConf(ConfIntHash& hash, const std::string &key, int def, int imin, int imax); |
91 | |
92 | /** |
93 | * Splits the given string on the given delimiter, returning the split elements |
94 | * in the given vector. |
95 | * A delimiter can be a string of multiple characters, in which case that |
96 | * entire delimiter string acts as a single delimiter. |
97 | * If the delimiter is empty, the entire string is returned as a single element. |
98 | * Any previous contents of the vector are discarded. |
99 | */ |
100 | void split(std::vector<std::string>& vec, std::string const& str, |
101 | std::string const& delim); |
102 | |
103 | int intTransition(int from, int to, long int tickStart, long duration=500, |
104 | long tickNow=-1); |
105 | |
106 | void inject_user_event(enum EventCode code = REPAINT_MENU, |
107 | void *data1 = NULL, void *data2 = NULL); |
108 | |
109 | #endif // UTILITIES_H |
110 |
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