summaryrefslogtreecommitdiffstats
path: root/other-licenses/7zstub/src/Common/String.cpp
blob: b6c12e99bfb075eda0e2985cbfbb0f7a8c037dd7 (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
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
// Common/String.cpp

#include "StdAfx.h"

#ifdef _WIN32
#include "StringConvert.h"
#else
#include <ctype.h>
#endif

#include "Common/String.h"


#ifdef _WIN32

#ifndef _UNICODE

wchar_t MyCharUpper(wchar_t c)
{
  if (c == 0)
    return 0;
  wchar_t *res = CharUpperW((LPWSTR)(unsigned int)c);
  if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
    return (wchar_t)(unsigned int)res;
  const int kBufferSize = 4;
  char s[kBufferSize + 1];
  int numChars = ::WideCharToMultiByte(CP_ACP, 0, &c, 1, s, kBufferSize, 0, 0);
  if (numChars == 0 || numChars > kBufferSize)
    return c;
  s[numChars] = 0;
  ::CharUpperA(s);
  ::MultiByteToWideChar(CP_ACP, 0, s, numChars, &c, 1);
  return c;
}

wchar_t MyCharLower(wchar_t c)
{
  if (c == 0)
    return 0;
  wchar_t *res = CharLowerW((LPWSTR)(unsigned int)c);
  if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
    return (wchar_t)(unsigned int)res;
  const int kBufferSize = 4;
  char s[kBufferSize + 1];
  int numChars = ::WideCharToMultiByte(CP_ACP, 0, &c, 1, s, kBufferSize, 0, 0);
  if (numChars == 0 || numChars > kBufferSize)
    return c;
  s[numChars] = 0;
  ::CharLowerA(s);
  ::MultiByteToWideChar(CP_ACP, 0, s, numChars, &c, 1);
  return c;
}

wchar_t * MyStringUpper(wchar_t *s)
{
  if (s == 0)
    return 0;
  wchar_t *res = CharUpperW(s);
  if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
    return res;
  AString a = UnicodeStringToMultiByte(s);
  a.MakeUpper();
  return MyStringCopy(s, (const wchar_t *)MultiByteToUnicodeString(a));
}

wchar_t * MyStringLower(wchar_t *s)
{ 
  if (s == 0)
    return 0;
  wchar_t *res = CharLowerW(s);
  if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
    return res;
  AString a = UnicodeStringToMultiByte(s);
  a.MakeLower();
  return MyStringCopy(s, (const wchar_t *)MultiByteToUnicodeString(a));
}

#endif

/*
inline int ConvertCompareResult(int r) { return r - 2; }

int MyStringCollate(const wchar_t *s1, const wchar_t *s2)
{ 
  int res = CompareStringW(
        LOCALE_USER_DEFAULT, SORT_STRINGSORT, s1, -1, s2, -1); 
  #ifdef _UNICODE
  return ConvertCompareResult(res);
  #else
  if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
    return ConvertCompareResult(res);
  return MyStringCollate(UnicodeStringToMultiByte(s1), 
        UnicodeStringToMultiByte(s2));
  #endif
}

#ifndef _WIN32_WCE
int MyStringCollate(const char *s1, const char *s2)
{ 
  return ConvertCompareResult(CompareStringA(
    LOCALE_USER_DEFAULT, SORT_STRINGSORT, s1, -1, s2, -1)); 
}

int MyStringCollateNoCase(const char *s1, const char *s2)
{ 
  return ConvertCompareResult(CompareStringA(
    LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT, s1, -1, s2, -1)); 
}
#endif

int MyStringCollateNoCase(const wchar_t *s1, const wchar_t *s2)
{ 
  int res = CompareStringW(
        LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT, s1, -1, s2, -1); 
  #ifdef _UNICODE
  return ConvertCompareResult(res);
  #else
  if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
    return ConvertCompareResult(res);
  return MyStringCollateNoCase(UnicodeStringToMultiByte(s1), 
      UnicodeStringToMultiByte(s2));
  #endif
}
*/

#else

wchar_t MyCharUpper(wchar_t c)
{
  return toupper(c);
}

/*
int MyStringCollateNoCase(const wchar_t *s1, const wchar_t *s2)
{ 
  while (true)
  {
    wchar_t c1 = *s1++;
    wchar_t c2 = *s2++;
    wchar_t u1 = MyCharUpper(c1);
    wchar_t u2 = MyCharUpper(c2);

    if (u1 < u2) return -1;
    if (u1 > u2) return 1;
    if (u1 == 0) return 0;
  }
}
*/

#endif

int MyStringCompare(const char *s1, const char *s2)
{ 
  while (true)
  {
    unsigned char c1 = (unsigned char)*s1++;
    unsigned char c2 = (unsigned char)*s2++;
    if (c1 < c2) return -1;
    if (c1 > c2) return 1;
    if (c1 == 0) return 0;
  }
}

int MyStringCompare(const wchar_t *s1, const wchar_t *s2)
{ 
  while (true)
  {
    wchar_t c1 = *s1++;
    wchar_t c2 = *s2++;
    if (c1 < c2) return -1;
    if (c1 > c2) return 1;
    if (c1 == 0) return 0;
  }
}

int MyStringCompareNoCase(const wchar_t *s1, const wchar_t *s2)
{ 
  while (true)
  {
    wchar_t c1 = *s1++;
    wchar_t c2 = *s2++;
    if (c1 != c2)
    {
      wchar_t u1 = MyCharUpper(c1);
      wchar_t u2 = MyCharUpper(c2);
      if (u1 < u2) return -1;
      if (u1 > u2) return 1;
    }
    if (c1 == 0) return 0;
  }
}

#ifdef _WIN32
int MyStringCompareNoCase(const char *s1, const char *s2)
{ 
  return MyStringCompareNoCase(MultiByteToUnicodeString(s1), MultiByteToUnicodeString(s2));
}
#endif