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[ACE] ACE_TString

2009-12-09 08:47:27| 分类： net_ACE | 标签： |举报 |字号大中小订阅

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ACE_TString 是 ACE 对 c-string 的封装类，基本用起来了 std::string 差不多。

/* String_Base.h */

template <class CHAR> class ACE_String_Base { ... };

/* SStringfwd.h */

typedef ACE_String_Base<char> ACE_CString;

typedef ACE_String_Base<ACE_WSTRING_TYPE> ACE_WString;

// This allows one to use W or C String based on the Unicode

// setting

#if defined (ACE_USES_WCHAR)

typedef ACE_WString ACE_TString;

#else /* ACE_USES_WCHAR */

typedef ACE_CString ACE_TString;

#endif /* ACE_USES_WCHAR */

--------------------------------------------------------

#include <ace/Log_Msg.h>

#include <ace/SString.h>

int ACE_MAIN(char, ACE_TCHAR *[])

{

ACE_TString s1("hello"); // null-terminated string

ACE_TString s2("hello", 3); // lengthed string

ACE_TString s3(s2); // ACE_TString

ACE_TString s4(10, 'k'); // 10 of char 'k'

ACE_TString s5 = s1;

ACE_DEBUG((LM_DEBUG, ACE_TEXT("s1 = %s\n"), s1.c_str()));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("s2 = %s\n"), s2.c_str()));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("s3 = %s\n"), s3.c_str()));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("s4 = %s\n"), s4.c_str()));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("s5 = %s\n"), s5.c_str()));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("s1[0] = %c, s1[1] = %c\n"), s1[0], s1[1]));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("s1 == \"hello\", %d\n"), s1 == ACE_TEXT("hello")));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("length(s1) = %d\n"), s1.length()));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("hash(s1) = %d\n"), s1.hash()));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("substr(s1, offset, length) = %s, %s\n"),

s1.substr(2).c_str(), s1.substr(2,2).c_str()));

ACE_DEBUG((LM_DEBUG, ACE_TEXT("find(s1, \"ll\") = %d\n"), s1.find(ACE_TEXT("ll"))));

return 0;

}

--------------------------------------------------------

s1 = hello

s2 = hel

s3 = hel

s4 = kkkkkkkkkkk

s5 = hello

s1[0] = h, s1[1] = e

s1 == "hello", 1

length(s1) = 5

hash(s1) = 94366051

substr(s1, offset, length) = llo, ll

find(s1, "ll") = 2

--------------------------------------------------------

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