Child: [1f8fbc] (diff)

Download this file

smallut.cpp    149 lines (134 with data), 3.1 kB

  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
#ifndef lint
static char rcsid[] = "@(#$Id: smallut.cpp,v 1.1 2005-01-31 14:31:10 dockes Exp $ (C) 2004 J.F.Dockes";
#endif
#ifndef TEST_SMALLUT
#include <string>
#include "smallut.h"
#include <ctype.h>
#define MIN(A,B) ((A)<(B)?(A):(B))
int stringicmp(const string & s1, const string& s2)
{
string::const_iterator it1 = s1.begin();
string::const_iterator it2 = s2.begin();
int size1 = s1.length(), size2 = s2.length();
char c1, c2;
if (size1 > size2) {
while (it1 != s1.end()) {
c1 = ::toupper(*it1);
c2 = ::toupper(*it2);
if (c1 != c2) {
return c1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : 1;
} else {
while (it2 != s2.end()) {
c1 = ::toupper(*it1);
c2 = ::toupper(*it2);
if (c1 != c2) {
return c1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : -1;
}
}
// s1 is already lowercase
int stringlowercmp(const string & s1, const string& s2)
{
string::const_iterator it1 = s1.begin();
string::const_iterator it2 = s2.begin();
int size1 = s1.length(), size2 = s2.length();
char c2;
if (size1 > size2) {
while (it1 != s1.end()) {
c2 = ::tolower(*it2);
if (*it1 != c2) {
return *it1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : 1;
} else {
while (it2 != s2.end()) {
c2 = ::tolower(*it2);
if (*it1 != c2) {
return *it1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : -1;
}
}
// s1 is already uppercase
int stringuppercmp(const string & s1, const string& s2)
{
string::const_iterator it1 = s1.begin();
string::const_iterator it2 = s2.begin();
int size1 = s1.length(), size2 = s2.length();
char c2;
if (size1 > size2) {
while (it1 != s1.end()) {
c2 = ::toupper(*it2);
if (*it1 != c2) {
return *it1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : 1;
} else {
while (it2 != s2.end()) {
c2 = ::toupper(*it2);
if (*it1 != c2) {
return *it1 > c2 ? 1 : -1;
}
++it1; ++it2;
}
return size1 == size2 ? 0 : -1;
}
}
#else
#include <string>
#include "smallut.h"
struct spair {
const char *s1;
const char *s2;
};
struct spair pairs[] = {
{"", ""},
{"", "a"},
{"a", ""},
{"a", "a"},
{"A", "a"},
{"a", "A"},
{"A", "A"},
{"12", "12"},
{"a", "ab"},
{"ab", "a"},
{"A", "Ab"},
{"a", "Ab"},
};
int npairs = sizeof(pairs) / sizeof(struct spair);
int main(int argc, char **argv)
{
for (int i = 0; i < npairs; i++) {
{
int c = stringicmp(pairs[i].s1, pairs[i].s2);
printf("'%s' %s '%s' ", pairs[i].s1,
c == 0 ? "==" : c < 0 ? "<" : ">", pairs[i].s2);
}
{
int cl = stringlowercmp(pairs[i].s1, pairs[i].s2);
printf("L '%s' %s '%s' ", pairs[i].s1,
cl == 0 ? "==" : cl < 0 ? "<" : ">", pairs[i].s2);
}
{
int cu = stringuppercmp(pairs[i].s1, pairs[i].s2);
printf("U '%s' %s '%s' ", pairs[i].s1,
cu == 0 ? "==" : cu < 0 ? "<" : ">", pairs[i].s2);
}
printf("\n");
}
}
#endif