summaryrefslogtreecommitdiff
path: root/source/base/CharString.h
blob: ff0e282f824925b2c43a62fe7ab7fe9ae1e4d520 (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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
//
// CharString.h - MrsWatson
// Created by Nik Reiman on 1/2/12.
// Copyright (c) 2012 Teragon Audio. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//

#ifndef MrsWatson_CharString_h
#define MrsWatson_CharString_h

#include <stdlib.h>

#include "base/LinkedList.h"
#include "base/Types.h"

static const size_t kCharStringLengthDefault = 256;
static const size_t kCharStringLengthShort = 32;
static const size_t kCharStringLengthLong = 8192;

#define EMPTY_STRING ""
#define DEFAULT_INDENT_SIZE 2
#ifndef TERMINAL_LINE_LENGTH
#define TERMINAL_LINE_LENGTH 80
#endif

#if WINDOWS
#define strncasecmp _strnicmp
#elif LINUX
#include <strings.h>
#endif

typedef struct {
    size_t capacity;
    char *data;
} CharStringMembers;
typedef CharStringMembers *CharString;

/**
 * @return Create a new CharString instance
 */
CharString newCharString(void);

/**
 * @param length Number of characters
 * @return Create a new CharString instance
 */
CharString newCharStringWithCapacity(size_t length);

/**
 * Create a new CharString from a C-String
 * @param string C-String to use (copied to contents)
 * @return New CharString instance
 */
CharString newCharStringWithCString(const char *string);

/**
 * Append another CharString to this instance, truncating if necessary. Appending
 * a string to itself will result in undefined behavior.
 * @param self
 * @param string String to append
 */
void charStringAppend(CharString self, const CharString string);

/**
 * Append a C-String to this CharString. Appending a string to itself will result
 * in undefined behavior.
 * @param self
 * @param string NULL-terminated string to append
 */
void charStringAppendCString(CharString self, const char *string);

/**
 * Copy the contents of another CharString to this one
 * @param self
 * @param string String to copy
 */
void charStringCopy(CharString self, const CharString string);

/**
 * Copy the contents of a C-String to this one
 * @param self
 * @param string NULL-terminated string to copy
 */
void charStringCopyCString(CharString self, const char *string);

/**
 * Clear a string's contents
 * @param self
 */
void charStringClear(CharString self);

/**
 * @param self
 * @return True if string is NULL or empty (ie, ""), false otherwise
 */
boolByte charStringIsEmpty(const CharString self);

/**
 * Test for string equality
 * @param self
 * @param string String to compare to
 * @param caseInsensitive True for a case-insensitive comparison
 * @return True if the strings are equal, false otherwise
 */
boolByte charStringIsEqualTo(const CharString self, const CharString string, boolByte caseInsensitive);

/**
 * Test for string equality
 * @param self
 * @param string NULL-terminated C-String to compare to
 * @param caseInsensitive True for a case-insensitive comparison
 * @return True if the strings are equal, false otherwise
 */
boolByte charStringIsEqualToCString(const CharString self, const char *string, boolByte caseInsensitive);

/**
 * Test if a given character in this string is a letter. This function does not
 * do any bounds checking, and "letter" means an ASCII character.
 * @param self
 * @param index String index. If beyond the bounds of the string, undefined
 * behavior will result.
 * @return True if an ASCII character
 */
boolByte charStringIsLetter(const CharString self, const size_t index);

/**
 * Test if a given character in this string is a number. This function does not
 * do any bounds checking.
 * @param self
 * @param index String index. If beyond the bounds of the string, undefined
 * behavior will result.
 * @return True is character is a number
 */
boolByte charStringIsNumber(const CharString self, const size_t index);

/**
 * Break a string up into a list of strings based on a delimeter character. The
 * list of strings do not include the delimiter character itself.
 * @param self
 * @param delimiter Delimiter character (cannot be NULL)
 * @return List of strings (may be an empty list if the delimiter was not found),
 * or NULL if invalid input given.
 */
LinkedList charStringSplit(const CharString self, const char delimiter);

/**
 * Wrap a string to fix nicely within the width of a terminal window. This
 * function is a bit inefficient, and should not be called in performance
 * crucial code areas.
 * @param self
 * @param indentSize Initial indenting size to use
 * @return The copy of the string line wrapped to fit in a terminal window
 */
CharString charStringWrap(const CharString self, unsigned int indentSize);

/**
 * Free a CharStar and its contents
 * @param self
 */
void freeCharString(CharString self);

#endif