1 // Windows/ResourceString.cpp
2
3 #include "StdAfx.h"
4
5 #ifndef _UNICODE
6 #include "../Common/StringConvert.h"
7 #endif
8
9 #include "ResourceString.h"
10
11 extern HINSTANCE g_hInstance;
12 #ifndef _UNICODE
13 extern bool g_IsNT;
14 #endif
15
16 namespace NWindows {
17
18 #ifndef _UNICODE
19
MyLoadStringA(HINSTANCE hInstance,UINT resourceID)20 static CSysString MyLoadStringA(HINSTANCE hInstance, UINT resourceID)
21 {
22 CSysString s;
23 int size = 128;
24 int len;
25 do
26 {
27 size <<= 1;
28 len = ::LoadString(hInstance, resourceID, s.GetBuf(size - 1), size);
29 }
30 while (size - len <= 1);
31 s.ReleaseBuf_CalcLen(len);
32 return s;
33 }
34
35 #endif
36
37 static const int kStartSize = 256;
38
MyLoadString2(HINSTANCE hInstance,UINT resourceID,UString & s)39 static void MyLoadString2(HINSTANCE hInstance, UINT resourceID, UString &s)
40 {
41 int size = kStartSize;
42 int len;
43 do
44 {
45 size <<= 1;
46 len = ::LoadStringW(hInstance, resourceID, s.GetBuf(size - 1), size);
47 }
48 while (size - len <= 1);
49 s.ReleaseBuf_CalcLen(len);
50 }
51
52 // NT4 doesn't support LoadStringW(,,, 0) to get pointer to resource string. So we don't use it.
53
MyLoadString(UINT resourceID)54 UString MyLoadString(UINT resourceID)
55 {
56 #ifndef _UNICODE
57 if (!g_IsNT)
58 return GetUnicodeString(MyLoadStringA(g_hInstance, resourceID));
59 else
60 #endif
61 {
62 {
63 wchar_t s[kStartSize];
64 s[0] = 0;
65 int len = ::LoadStringW(g_hInstance, resourceID, s, kStartSize);
66 if (kStartSize - len > 1)
67 return s;
68 }
69 UString dest;
70 MyLoadString2(g_hInstance, resourceID, dest);
71 return dest;
72 }
73 }
74
MyLoadString(HINSTANCE hInstance,UINT resourceID,UString & dest)75 void MyLoadString(HINSTANCE hInstance, UINT resourceID, UString &dest)
76 {
77 dest.Empty();
78 #ifndef _UNICODE
79 if (!g_IsNT)
80 MultiByteToUnicodeString2(dest, MyLoadStringA(hInstance, resourceID));
81 else
82 #endif
83 {
84 {
85 wchar_t s[kStartSize];
86 s[0] = 0;
87 int len = ::LoadStringW(hInstance, resourceID, s, kStartSize);
88 if (kStartSize - len > 1)
89 {
90 dest = s;
91 return;
92 }
93 }
94 MyLoadString2(hInstance, resourceID, dest);
95 }
96 }
97
MyLoadString(UINT resourceID,UString & dest)98 void MyLoadString(UINT resourceID, UString &dest)
99 {
100 MyLoadString(g_hInstance, resourceID, dest);
101 }
102
103 }
104