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-rwxr-xr-xCPP/Common/MyString.cpp200
1 files changed, 200 insertions, 0 deletions
diff --git a/CPP/Common/MyString.cpp b/CPP/Common/MyString.cpp
new file mode 100755
index 0000000..1a25c9e
--- /dev/null
+++ b/CPP/Common/MyString.cpp
@@ -0,0 +1,200 @@
+// Common/MyString.cpp
+
+#include "StdAfx.h"
+
+#ifndef _WIN32
+#include <ctype.h>
+#endif
+
+#ifndef _UNICODE
+#include "StringConvert.h"
+#endif
+
+#include "MyString.h"
+
+
+#ifdef _WIN32
+
+#ifndef _UNICODE
+
+wchar_t MyCharUpper(wchar_t c)
+{
+ if (c == 0)
+ return 0;
+ wchar_t *res = CharUpperW((LPWSTR)(UINT_PTR)(unsigned int)c);
+ if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
+ return (wchar_t)(unsigned int)(UINT_PTR)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)(UINT_PTR)(unsigned int)c);
+ if (res != 0 || ::GetLastError() != ERROR_CALL_NOT_IMPLEMENTED)
+ return (wchar_t)(unsigned int)(UINT_PTR)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 UNDER_CE
+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)
+{
+ for (;;)
+ {
+ 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)
+{
+ for (;;)
+ {
+ 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)
+{
+ for (;;)
+ {
+ 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)
+{
+ for (;;)
+ {
+ 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;
+ }
+}
+
+/*
+int MyStringCompareNoCase(const char *s1, const char *s2)
+{
+ return MyStringCompareNoCase(MultiByteToUnicodeString(s1), MultiByteToUnicodeString(s2));
+}
+*/