str.h

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1 /*
2 * botc source code
3 * Copyright (C) 2012 Santeri `Dusk` Piippo
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice,
10 * this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 * 3. Neither the name of the Skulltag Development Team nor the names of its
15 * contributors may be used to endorse or promote products derived from this
16 * software without specific prior written permission.
17 * 4. Redistributions in any form must be accompanied by information on how to
18 * obtain complete source code for the software and any accompanying
19 * software that uses the software. The source code must either be included
20 * in the distribution or be available for no more than the cost of
21 * distribution plus a nominal fee, and must be freely redistributable
22 * under reasonable conditions. For an executable file, complete source
23 * code means the source code for all modules it contains. It does not
24 * include source code for modules or files that typically accompany the
25 * major components of the operating system on which the executable file
26 * runs.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 #ifndef __STR_H__
42 #define __STR_H__
43
44 char* vdynformat (const char* c, va_list v, unsigned int size);
45
46 #define SCCF_NUMBER 1<<0
47 #define SCCF_WORD 1<<1
48
49 // Dynamic string object, allocates memory when needed and
50 // features a good bunch of manipulation methods
51 class str {
52 private:
53 // The actual message
54 char* text;
55
56 // Where will append() place new characters?
57 unsigned int curs;
58
59 // Allocated length
60 unsigned int alloclen;
61
62 // Resize the text buffer to len characters
63 void resize (unsigned int len);
64 public:
65 // ======================================================================
66 // CONSTRUCTORS
67 str ();
68 str (const char* c);
69 str (char c);
70
71 // ======================================================================
72 // METHODS
73
74 // Empty the string
75 void clear ();
76
77 // Length of the string
78 unsigned int len ();
79
80 // The char* form of the string
81 char* chars ();
82
83 // Dumps the character table of the string
84 void dump ();
85
86 // Appends text to the string
87 void append (char c);
88 void append (const char* c);
89 void append (str c);
90
91 // Appends formatted text to the string.
92 void appendformat (const char* c, ...);
93 void appendformat (str c, ...);
94
95 // Returns the first occurrence of c in the string, optionally starting
96 // from a certain position rather than the start.
97 unsigned int first (const char* c, unsigned int a = 0);
98
99 // Returns the last occurrence of c in the string, optionally starting
100 // from a certain position rather than the end.
101 unsigned int last (const char* c, int a = -1);
102
103 // Returns a substring of the string, from a to b.
104 str substr (unsigned int a, unsigned int b);
105
106 // Replace a substring with another substring.
107 void replace (const char* o, const char* n, unsigned int a = 0);
108
109 // Removes a given index from the string, optionally more characters than just 1.
110 void remove (unsigned int idx, unsigned int dellen=1);
111
112 void trim (int dellen);
113
114 // Inserts a substring into a certain position.
115 void insert (char* c, unsigned int pos);
116
117 // Reverses the string.
118 void reverse ();
119
120 // Repeats the string a given amount of times.
121 void repeat (unsigned int n);
122
123 // Is the string a number?
124 bool isnumber ();
125
126 // Is the string a word, i.e consists only of alphabetic letters?
127 bool isword ();
128
129 bool contentcheck (int flags);
130
131 int compare (const char* c);
132 int compare (str c);
133
134 // ======================================================================
135 // OPERATORS
136 str operator + (str& c);
137 str& operator += (char c);
138 str& operator += (const char* c);
139 str& operator += (const str c);
140 char operator [] (unsigned int pos);
141 operator char* () const;
142 operator int () const;
143 operator unsigned int () const;
144 };
145
146 #endif // __STR_H__

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