114 lines
2.5 KiB
C
114 lines
2.5 KiB
C
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// tstring.h string helpers
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// Copyright (c) Microsoft Corporation 1998.
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#pragma once
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#ifndef TSTRING_H
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#define TSTRING_H
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#include <tchar.h>
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#include <string>
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#include <atlconv.h>
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#ifndef USE_TSTRING_CSTRING
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#include <atltmp.h>
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#endif
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#ifdef DEBUG
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typedef std::basic_string<TCHAR> base_tstring;
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class Tstring : public base_tstring {
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public:
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inline Tstring() {}
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virtual ~Tstring() {}
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inline Tstring(const base_tstring &ts) : base_tstring(ts) {}
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inline Tstring(const Tstring &ts) : base_tstring(ts) {}
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inline Tstring &operator=(const Tstring &rhs) {
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if (this != rhs.const_address()) {
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base_tstring::operator=(rhs);
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}
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return *this;
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}
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inline Tstring &operator=(const TCHAR *rhs) {
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if (this != reinterpret_cast<const Tstring *>(rhs)) {
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base_tstring::operator=(rhs);
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}
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return *this;
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}
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inline LPCTSTR operator&() const {
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// NOTE: this is based on c++ std basic_string. all caveats about
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// c_str method apply: ptr is read-only and invalid after another
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// non-const member is called
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return c_str();
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}
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#ifndef _UNICODE
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inline Tstring &operator=(const LPCOLESTR rhs) {
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if (this != reinterpret_cast<const Tstring *>(rhs)) {
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USES_CONVERSION;
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base_tstring::operator=(OLE2T(rhs));
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}
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return *this;
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}
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#else
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inline Tstring &operator=(const LPCSTR rhs) {
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if (this != reinterpret_cast<const Tstring *>(rhs)) {
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USES_CONVERSION;
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base_tstring::operator=(A2T(rhs));
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}
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return *this;
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}
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#endif
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inline const Tstring *const_address() const {
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return this;
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}
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inline Tstring *address() {
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return this;
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}
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};
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#endif
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#ifdef USE_TSTRING_CSTRING
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class CString : public Tstring {
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public:
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inline CString() : Tstring() {}
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inline CString(const Tstring &ts) : Tstring(ts) {}
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inline CString(const CString &cs) : Tstring(cs) {}
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virtual ~CString() {}
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inline LPCTSTR operator&() const {
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// NOTE: this is based on c++ std basic_string. all caveats about
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// c_str method apply: ptr is read-only and invalid after another
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// non-const member is called
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return c_str();
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}
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inline CString &operator=(const CString &rhs) {
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if (this != rhs.const_address()) {
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Tstring::operator=(rhs);
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}
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return *this;
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}
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inline CString &operator=(const TCHAR *rhs) {
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if (this != reinterpret_cast<const CString *>(rhs)) {
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Tstring::operator=(rhs);
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}
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return *this;
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}
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inline const CString *const_address() const {
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return this;
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}
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inline CString *address() {
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return this;
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}
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bool IsEmpty(void) const {
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return size() == 0;
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};
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};
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#endif
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#endif
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// end of file tstring.h
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