// Lightweight object returned by wxString::c_str() and implicitly convertible
// to either const char* or const wchar_t*.
-class wxCStrData
+class WXDLLIMPEXP_BASE wxCStrData
{
private:
// Ctors; for internal use by wxString and wxCStrData only
wxCStrData(char *buf);
wxCStrData(wchar_t *buf);
- ~wxCStrData();
+ inline ~wxCStrData();
- // FIXME: we'll need convertors for both char* and wchar_t* and NONE
- // for wxChar*, but that's after completing the transition to
- // "smart" wxUniChar class. For now, just have conversion to
- // char* in ANSI build and wchar_t in Unicode build.
-#if wxUSE_UNICODE
+ // methods defined inline below must be declared inline or mingw32 3.4.5
+ // warns about "<symbol> defined locally after being referenced with
+ // dllimport linkage"
+#if wxUSE_UNICODE_WCHAR
+ inline
+#endif
const wchar_t* AsWChar() const;
operator const wchar_t*() const { return AsWChar(); }
-#else
+
+ inline operator bool() const;
+
+#if !wxUSE_UNICODE
+ inline
+#endif
const char* AsChar() const;
const unsigned char* AsUnsignedChar() const
{ return (const unsigned char *) AsChar(); }
- operator const void*() const { return AsChar(); }
operator const char*() const { return AsChar(); }
operator const unsigned char*() const { return AsUnsignedChar(); }
-#endif
- wxString AsString() const;
+ operator const void*() const { return AsChar(); }
+
+ inline wxString AsString() const;
// allow expressions like "c_str()[0]":
+ inline wxUniChar operator[](size_t n) const;
wxUniChar operator[](int n) const { return operator[](size_t(n)); }
- wxUniChar operator[](size_t n) const;
wxUniChar operator[](long n) const { return operator[](size_t(n)); }
#ifndef wxSIZE_T_IS_UINT
wxUniChar operator[](unsigned int n) const { return operator[](size_t(n)); }
// this operator is needed to make expressions like "*c_str()" or
// "*(c_str() + 2)" work
- wxUniChar operator*() const;
+ inline wxUniChar operator*() const;
private:
const wxString *m_str;
T data;
size_t len;
- SubstrBufFromType() {}
SubstrBufFromType(const T& data_, size_t len_)
: data(data_), len(len_) {}
};
#if wxUSE_UNICODE_UTF8
- // FIXME-UTF8: this will have to use slightly different type
+ // even char* -> char* needs conversion, from locale charset to UTF-8
+ typedef SubstrBufFromType<wxCharBuffer> SubstrBufFromWC;
+ typedef SubstrBufFromType<wxCharBuffer> SubstrBufFromMB;
#elif wxUSE_UNICODE_WCHAR
typedef SubstrBufFromType<const wchar_t*> SubstrBufFromWC;
typedef SubstrBufFromType<wxWCharBuffer> SubstrBufFromMB;
// between UTF-8 and wchar_t* representations of the string are mostly
// contained here.
-#if wxUSE_UNICODE
- // FIXME-UTF8: This will need changes when UTF8 build is introduced
+#if wxUSE_UNICODE_UTF8
+ static SubstrBufFromMB ConvertStr(const char *psz, size_t nLength,
+ const wxMBConv& conv);
+ static SubstrBufFromWC ConvertStr(const wchar_t *pwz, size_t nLength,
+ const wxMBConv& conv);
+#elif wxUSE_UNICODE_WCHAR
static SubstrBufFromMB ConvertStr(const char *psz, size_t nLength,
const wxMBConv& conv);
#else
// returns C string encoded as the implementation expects:
#if wxUSE_UNICODE
static const wchar_t* ImplStr(const wchar_t* str)
- { return str; }
+ { return str ? str : wxT(""); }
static const SubstrBufFromWC ImplStr(const wchar_t* str, size_t n)
- { return SubstrBufFromWC(str, n == npos ? wxWcslen(str) : n); }
- static wxWCharBuffer ImplStr(const char* str)
- { return ConvertStr(str, npos, wxConvLibc).data; }
- static SubstrBufFromMB ImplStr(const char* str, size_t n)
- { return ConvertStr(str, n, wxConvLibc); }
+ { return SubstrBufFromWC(str, (str && n == npos) ? wxWcslen(str) : n); }
+ static wxWCharBuffer ImplStr(const char* str,
+ const wxMBConv& conv = wxConvLibc)
+ { return ConvertStr(str, npos, conv).data; }
+ static SubstrBufFromMB ImplStr(const char* str, size_t n,
+ const wxMBConv& conv = wxConvLibc)
+ { return ConvertStr(str, n, conv); }
#else
- static const char* ImplStr(const char* str)
- { return str; }
- static const SubstrBufFromMB ImplStr(const char* str, size_t n)
- { return SubstrBufFromMB(str, n == npos ? wxStrlen(str) : n); }
+ static const char* ImplStr(const char* str,
+ const wxMBConv& WXUNUSED(conv) = wxConvLibc)
+ { return str ? str : ""; }
+ static const SubstrBufFromMB ImplStr(const char* str, size_t n,
+ const wxMBConv& WXUNUSED(conv) = wxConvLibc)
+ { return SubstrBufFromMB(str, (str && n == npos) ? wxStrlen(str) : n); }
static wxCharBuffer ImplStr(const wchar_t* str)
{ return ConvertStr(str, npos, wxConvLibc).data; }
static SubstrBufFromWC ImplStr(const wchar_t* str, size_t n)
// encodes the character to a form used to represent it in internal
// representation (returns a string in UTF8 version)
static wxChar EncodeChar(wxUniChar ch) { return (wxChar)ch; }
+ static wxUniChar DecodeChar(wxStringImpl::const_iterator i) { return *i; }
// translates position index in wxString to/from index in underlying
// wxStringImpl:
static void PosLenToImpl(size_t pos, size_t len,
size_t *implPos, size_t *implLen)
{ *implPos = pos; *implLen = len; }
+ static size_t LenToImpl(size_t len) { return len; }
static size_t PosFromImpl(size_t pos) { return pos; }
#else // wxUSE_UNICODE_UTF8
- typedef char Utf8CharBuffer[5];
+ // checks correctness of UTF-8 sequence
+ static bool IsValidUtf8String(const char *c);
+#ifdef __WXDEBUG__
+ static bool IsValidUtf8LeadByte(unsigned char c);
+#endif
+
+ // table of offsets to skip forward when iterating
+ static unsigned char ms_utf8IterTable[256];
+
+ static void IncIter(wxStringImpl::iterator& i)
+ {
+ wxASSERT( IsValidUtf8LeadByte(*i) );
+ i += ms_utf8IterTable[(unsigned char)*i];
+ }
+ static void IncIter(wxStringImpl::const_iterator& i)
+ {
+ wxASSERT( IsValidUtf8LeadByte(*i) );
+ i += ms_utf8IterTable[(unsigned char)*i];
+ }
+
+ static void DecIter(wxStringImpl::iterator& i);
+ static void DecIter(wxStringImpl::const_iterator& i);
+ static wxStringImpl::iterator AddToIter(wxStringImpl::iterator i, int n);
+ static wxStringImpl::const_iterator AddToIter(wxStringImpl::const_iterator i, int n);
+ static int DiffIters(wxStringImpl::const_iterator i1, wxStringImpl::const_iterator i2);
+ static int DiffIters(wxStringImpl::iterator i1, wxStringImpl::iterator i2);
+
+ struct Utf8CharBuffer
+ {
+ char data[5];
+ operator const char*() const { return data; }
+ };
static Utf8CharBuffer EncodeChar(wxUniChar ch);
// returns n copies of ch encoded in UTF-8 string
static wxCharBuffer EncodeNChars(size_t n, wxUniChar ch);
+ // returns the length of UTF-8 encoding of the character with lead byte 'c'
+ static size_t GetUtf8CharLength(char c)
+ {
+ wxASSERT( IsValidUtf8LeadByte(c) );
+ return ms_utf8IterTable[(unsigned char)c];
+ }
+
+ // decodes single UTF-8 character from UTF-8 string
+ // FIXME-UTF8: move EncodeChar/DecodeChar and other operations to separate
+ // class
+ static wxUniChar DecodeChar(wxStringImpl::const_iterator i)
+ { return wxUniCharRef::DecodeChar(i); }
+ friend class WXDLLIMPEXP_BASE wxUniCharRef;
+
size_t PosToImpl(size_t pos) const
{
if ( pos == 0 || pos == npos )
return wxStringImpl::const_iterator(begin() + pos) - m_impl.begin();
}
+ void PosLenToImpl(size_t pos, size_t len, size_t *implPos, size_t *implLen) const;
+
+ size_t LenToImpl(size_t len) const
+ {
+ size_t pos, len2;
+ PosLenToImpl(0, len, &pos, &len2);
+ return len2;
+ }
+
size_t PosFromImpl(size_t pos) const
{
if ( pos == 0 || pos == npos )
return const_iterator(m_impl.begin() + pos) - begin();
}
- // FIXME: return as-is without copying under UTF8 locale, return
- // converted string under other locales - needs wxCharBuffer
- // changes
- static wxCharBuffer ImplStr(const char* str);
+ size_t IterToImplPos(wxStringImpl::iterator i) const
+ { return wxStringImpl::const_iterator(i) - m_impl.begin(); }
+
+ // FIXME-UTF8: return as-is without copying under UTF8 locale, return
+ // converted string under other locales - needs wxCharBuffer
+ // changes
+ static wxCharBuffer ImplStr(const char* str,
+ const wxMBConv& conv = wxConvLibc)
+ { return ConvertStr(str, npos, conv).data; }
+ static SubstrBufFromMB ImplStr(const char* str, size_t n,
+ const wxMBConv& conv = wxConvLibc)
+ { return ConvertStr(str, n, conv); }
static wxCharBuffer ImplStr(const wchar_t* str)
- { return wxConvUTF8.cWC2MB(str); }
+ { return ConvertStr(str, npos, wxConvUTF8).data; }
+ static SubstrBufFromWC ImplStr(const wchar_t* str, size_t n)
+ { return ConvertStr(str, n, wxConvUTF8); }
#endif // !wxUSE_UNICODE_UTF8/wxUSE_UNICODE_UTF8
// constructors and destructor
// ctor for an empty string
wxString() {}
+
// copy ctor
+ // FIXME-UTF8: this one needs to do UTF-8 conversion in UTF-8 build!
wxString(const wxStringImpl& stringSrc) : m_impl(stringSrc) { }
- wxString(const wxString& stringSrc) : m_impl(stringSrc) { }
+
+ wxString(const wxString& stringSrc) : m_impl(stringSrc.m_impl) { }
+
// string containing nRepeat copies of ch
wxString(wxUniChar ch, size_t nRepeat = 1)
- : m_impl(nRepeat, ch) { }
+ { assign(nRepeat, ch); }
wxString(size_t nRepeat, wxUniChar ch)
- : m_impl(nRepeat, ch) { }
+ { assign(nRepeat, ch); }
wxString(wxUniCharRef ch, size_t nRepeat = 1)
- : m_impl(nRepeat, ch) { }
+ { assign(nRepeat, ch); }
wxString(size_t nRepeat, wxUniCharRef ch)
- : m_impl(nRepeat, ch) { }
+ { assign(nRepeat, ch); }
wxString(char ch, size_t nRepeat = 1)
- : m_impl(nRepeat, ch) { }
+ { assign(nRepeat, ch); }
wxString(size_t nRepeat, char ch)
- : m_impl(nRepeat, ch) { }
+ { assign(nRepeat, ch); }
wxString(wchar_t ch, size_t nRepeat = 1)
- : m_impl(nRepeat, ch) { }
+ { assign(nRepeat, ch); }
wxString(size_t nRepeat, wchar_t ch)
- : m_impl(nRepeat, ch) { }
- // ctor takes first nLength characters from C string
- // (default value of npos means take all the string)
- wxString(const wxChar *psz)
- : m_impl(psz ? psz : wxT("")) { }
- wxString(const wxChar *psz, size_t nLength)
- : m_impl(psz, nLength) { }
- wxString(const wxChar *psz,
- const wxMBConv& WXUNUSED(conv),
- size_t nLength = npos)
- : m_impl(psz, nLength == npos ? wxStrlen(psz) : nLength) { }
-
- // even if we're not built with wxUSE_STL == 1 it is very convenient to allow
- // implicit conversions from std::string to wxString as this allows to use
- // the same strings in non-GUI and GUI code, however we don't want to
- // unconditionally add this ctor as it would make wx lib dependent on
- // libstdc++ on some Linux versions which is bad, so instead we ask the
- // client code to define this wxUSE_STD_STRING symbol if they need it
-#if wxUSE_STD_STRING && !wxUSE_STL_BASED_WXSTRING
- wxString(const wxStdString& s)
- : m_impl(s.c_str()) { } // FIXME-UTF8: this is broken for embedded 0s
-#endif // wxUSE_STD_STRING && !wxUSE_STL_BASED_WXSTRING
-
-#if wxUSE_UNICODE
- // from multibyte string
- wxString(const char *psz,
- const wxMBConv& conv = wxConvLibc,
- size_t nLength = npos);
- // from multibyte string for ANSI compatibility, with wxConvLibc
- wxString(const char *psz, size_t nLength);
- // from wxWCharBuffer (i.e. return from wxGetString)
- wxString(const wxWCharBuffer& psz) : m_impl(psz.data()) { }
-#else // ANSI
- // from C string (for compilers using unsigned char)
- wxString(const unsigned char* psz)
- : m_impl((const char*)psz) { }
- // from part of C string (for compilers using unsigned char)
- wxString(const unsigned char* psz, size_t nLength)
- : m_impl((const char*)psz, nLength) { }
+ { assign(nRepeat, ch); }
+
+ // ctors from char* strings:
+ wxString(const char *psz)
+ : m_impl(ImplStr(psz)) {}
+ wxString(const char *psz, const wxMBConv& conv)
+ : m_impl(ImplStr(psz, conv)) {}
+ wxString(const char *psz, size_t nLength)
+ { assign(psz, nLength); }
+ wxString(const char *psz, const wxMBConv& conv, size_t nLength)
+ {
+ SubstrBufFromMB str(ImplStr(psz, nLength, conv));
+ m_impl.assign(str.data, str.len);
+ }
-#if wxUSE_WCHAR_T
- // from wide (Unicode) string
- wxString(const wchar_t *pwz,
- const wxMBConv& conv = wxConvLibc,
- size_t nLength = npos);
- // from wide string for Unicode compatibility, with wxConvLibc
- wxString(const wchar_t *pwz, size_t nLength);
-#endif // !wxUSE_WCHAR_T
+ // and unsigned char*:
+ wxString(const unsigned char *psz)
+ : m_impl(ImplStr((const char*)psz)) {}
+ wxString(const unsigned char *psz, const wxMBConv& conv)
+ : m_impl(ImplStr((const char*)psz, conv)) {}
+ wxString(const unsigned char *psz, size_t nLength)
+ { assign((const char*)psz, nLength); }
+ wxString(const unsigned char *psz, const wxMBConv& conv, size_t nLength)
+ {
+ SubstrBufFromMB str(ImplStr((const char*)psz, nLength, conv));
+ m_impl.assign(str.data, str.len);
+ }
- // from wxCharBuffer
- wxString(const wxCharBuffer& psz)
- : m_impl(psz) { }
-#endif // Unicode/ANSI
+ // ctors from wchar_t* strings:
+ wxString(const wchar_t *pwz)
+ : m_impl(ImplStr(pwz)) {}
+ wxString(const wchar_t *pwz, const wxMBConv& WXUNUSED(conv))
+ : m_impl(ImplStr(pwz)) {}
+ wxString(const wchar_t *pwz, size_t nLength)
+ { assign(pwz, nLength); }
+ wxString(const wchar_t *pwz, const wxMBConv& WXUNUSED(conv), size_t nLength)
+ { assign(pwz, nLength); }
+
+ wxString(const wxCharBuffer& buf)
+ { assign(buf.data()); } // FIXME-UTF8: fix for embedded NUL and buffer length
+ wxString(const wxWCharBuffer& buf)
+ { assign(buf.data()); } // FIXME-UTF8: fix for embedded NUL and buffer length
wxString(const wxCStrData& cstr)
: m_impl(cstr.AsString().m_impl) { }
// as we provide both ctors with this signature for both char and unsigned
// char string, we need to provide one for wxCStrData to resolve ambiguity
wxString(const wxCStrData& cstr, size_t nLength)
- { assign(cstr.AsString(), nLength); }
+ : m_impl(cstr.AsString().Mid(0, nLength).m_impl) {}
// and because wxString is convertible to wxCStrData and const wxChar *
// we also need to provide this one
wxString(const wxString& str, size_t nLength)
- { assign(str, nLength); }
+ : m_impl(str.Mid(0, nLength).m_impl) {}
+
+ // even if we're not built with wxUSE_STL == 1 it is very convenient to allow
+ // implicit conversions from std::string to wxString as this allows to use
+ // the same strings in non-GUI and GUI code, however we don't want to
+ // unconditionally add this ctor as it would make wx lib dependent on
+ // libstdc++ on some Linux versions which is bad, so instead we ask the
+ // client code to define this wxUSE_STD_STRING symbol if they need it
+#if wxUSE_STD_STRING && !wxUSE_STL_BASED_WXSTRING
+ wxString(const wxStdString& s)
+ // FIXME-UTF8: this one needs to do UTF-8 conversion in UTF-8 build!
+ : m_impl(s.c_str()) { } // FIXME-UTF8: this is broken for embedded 0s
+#endif // wxUSE_STD_STRING && !wxUSE_STL_BASED_WXSTRING
public:
// standard types
typedef wxUniChar const_reference;
#if wxUSE_STL
- #define WX_STR_ITERATOR_TAG std::random_access_iterator_tag
+ #if wxUSE_UNICODE_UTF8
+ // random access is not O(1), as required by Random Access Iterator
+ #define WX_STR_ITERATOR_TAG std::bidirectional_iterator_tag
+ #else
+ #define WX_STR_ITERATOR_TAG std::random_access_iterator_tag
+ #endif
#else
#define WX_STR_ITERATOR_TAG void /* dummy type */
#endif
typedef reference_type reference; \
typedef pointer_type pointer; \
\
- iterator_name(const iterator_name& i) : m_cur(i.m_cur) {} \
- \
reference operator*() const { return reference_ctor; } \
reference operator[](size_t n) const { return *(*this + n); } \
\
return tmp; \
} \
\
- iterator_name operator+(int n) const \
- { return iterator_name(wxString::AddToIter(m_cur, n)); } \
- iterator_name operator+(size_t n) const \
- { return iterator_name(wxString::AddToIter(m_cur, (int)n)); } \
- iterator_name operator-(int n) const \
- { return iterator_name(wxString::AddToIter(m_cur, -n)); } \
- iterator_name operator-(size_t n) const \
- { return iterator_name(wxString::AddToIter(m_cur, -(int)n)); } \
- iterator_name operator+=(int n) \
+ iterator_name& operator+=(int n) \
{ m_cur = wxString::AddToIter(m_cur, n); return *this; } \
- iterator_name operator+=(size_t n) \
+ iterator_name& operator+=(size_t n) \
{ m_cur = wxString::AddToIter(m_cur, (int)n); return *this; } \
- iterator_name operator-=(int n) \
+ iterator_name& operator-=(int n) \
{ m_cur = wxString::AddToIter(m_cur, -n); return *this; } \
- iterator_name operator-=(size_t n) \
+ iterator_name& operator-=(size_t n) \
{ m_cur = wxString::AddToIter(m_cur, -(int)n); return *this; } \
\
- unsigned operator-(const iterator_name& i) const \
+ difference_type operator-(const iterator_name& i) const \
{ return wxString::DiffIters(m_cur, i.m_cur); } \
\
- bool operator==(const iterator_name&i) const \
+ bool operator==(const iterator_name& i) const \
{ return m_cur == i.m_cur; } \
bool operator!=(const iterator_name& i) const \
{ return m_cur != i.m_cur; } \
\
private: \
/* for internal wxString use only: */ \
- iterator_name(underlying_iterator ptr) : m_cur(ptr) {} \
operator underlying_iterator() const { return m_cur; } \
\
friend class WXDLLIMPEXP_BASE wxString; \
friend class WXDLLIMPEXP_BASE wxCStrData; \
\
private: \
- underlying_iterator m_cur;
+ underlying_iterator m_cur
class const_iterator;
+#if wxUSE_UNICODE_UTF8
class iterator
{
+ // NB: In UTF-8 build, (non-const) iterator needs to keep reference
+ // to the underlying wxStringImpl, because UTF-8 is variable-length
+ // encoding and changing the value pointer to by an iterator using
+ // its operator* requires calling wxStringImpl::replace() if the old
+ // and new values differ in their encoding's length.
+
WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef,
- wxUniCharRef::CreateForString(m_cur))
+ wxUniCharRef::CreateForString(m_str, m_cur));
+
+ public:
+ iterator(const iterator& i) : m_cur(i.m_cur), m_str(i.m_str) {}
+
+ iterator operator+(int n) const
+ { return iterator(m_str, wxString::AddToIter(m_cur, n)); }
+ iterator operator+(size_t n) const
+ { return iterator(m_str, wxString::AddToIter(m_cur, (int)n)); }
+ iterator operator-(int n) const
+ { return iterator(m_str, wxString::AddToIter(m_cur, -n)); }
+ iterator operator-(size_t n) const
+ { return iterator(m_str, wxString::AddToIter(m_cur, -(int)n)); }
+
+ private:
+ iterator(wxString *str, underlying_iterator ptr)
+ : m_cur(ptr), m_str(str->m_impl) {}
+ iterator(wxStringImpl& str, underlying_iterator ptr)
+ : m_cur(ptr), m_str(str) {}
+
+ wxStringImpl& m_str;
friend class const_iterator;
};
+#else // !wxUSE_UNICODE_UTF8
+ class iterator
+ {
+ WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef,
+ wxUniCharRef::CreateForString(m_cur));
+
+ public:
+ iterator(const iterator& i) : m_cur(i.m_cur) {}
+
+ iterator operator+(int n) const
+ { return iterator(wxString::AddToIter(m_cur, n)); }
+ iterator operator+(size_t n) const
+ { return iterator(wxString::AddToIter(m_cur, (int)n)); }
+ iterator operator-(int n) const
+ { return iterator(wxString::AddToIter(m_cur, -n)); }
+ iterator operator-(size_t n) const
+ { return iterator(wxString::AddToIter(m_cur, -(int)n)); }
+
+ private:
+ // for internal wxString use only:
+ iterator(underlying_iterator ptr) : m_cur(ptr) {}
+ iterator(wxString *WXUNUSED(str), underlying_iterator ptr) : m_cur(ptr) {}
+
+ friend class const_iterator;
+ };
+#endif // wxUSE_UNICODE_UTF8/!wxUSE_UNICODE_UTF8
class const_iterator
{
// NB: reference_type is intentionally value, not reference, the character
// may be encoded differently in wxString data:
WX_STR_ITERATOR_IMPL(const_iterator, const wxChar*, wxUniChar,
- wxUniChar(*m_cur))
+ wxString::DecodeChar(m_cur));
public:
+ const_iterator(const const_iterator& i) : m_cur(i.m_cur) {}
const_iterator(const iterator& i) : m_cur(i.m_cur) {}
+
+ const_iterator operator+(int n) const
+ { return const_iterator(wxString::AddToIter(m_cur, n)); }
+ const_iterator operator+(size_t n) const
+ { return const_iterator(wxString::AddToIter(m_cur, (int)n)); }
+ const_iterator operator-(int n) const
+ { return const_iterator(wxString::AddToIter(m_cur, -n)); }
+ const_iterator operator-(size_t n) const
+ { return const_iterator(wxString::AddToIter(m_cur, -(int)n)); }
+
+ private:
+ // for internal wxString use only:
+ const_iterator(underlying_iterator ptr) : m_cur(ptr) {}
};
#undef WX_STR_ITERATOR_TAG
reverse_iterator_impl operator--(int)
{ reverse_iterator_impl tmp = *this; ++m_cur; return tmp; }
+ // NB: explicit <T> in the functions below is to keep BCC 5.5 happy
reverse_iterator_impl operator+(int n) const
- { return reverse_iterator_impl(m_cur - n); }
+ { return reverse_iterator_impl<T>(m_cur - n); }
reverse_iterator_impl operator+(size_t n) const
- { return reverse_iterator_impl(m_cur - n); }
+ { return reverse_iterator_impl<T>(m_cur - n); }
reverse_iterator_impl operator-(int n) const
- { return reverse_iterator_impl(m_cur + n); }
+ { return reverse_iterator_impl<T>(m_cur + n); }
reverse_iterator_impl operator-(size_t n) const
- { return reverse_iterator_impl(m_cur + n); }
+ { return reverse_iterator_impl<T>(m_cur + n); }
reverse_iterator_impl operator+=(int n)
{ m_cur -= n; return *this; }
reverse_iterator_impl operator+=(size_t n)
// first valid index position
const_iterator begin() const { return const_iterator(m_impl.begin()); }
- iterator begin() { return iterator(m_impl.begin()); }
+ iterator begin() { return iterator(this, m_impl.begin()); }
// position one after the last valid one
const_iterator end() const { return const_iterator(m_impl.end()); }
- iterator end() { return iterator(m_impl.end()); }
+ iterator end() { return iterator(this, m_impl.end()); }
// first element of the reversed string
const_reverse_iterator rbegin() const
// implicit conversion to C string
operator wxCStrData() const { return c_str(); }
- operator const wxChar*() const { return c_str(); }
+ operator const char*() const { return c_str(); }
+ operator const wchar_t*() const { return c_str(); }
// identical to c_str(), for MFC compatibility
const wxCStrData GetData() const { return c_str(); }
// explicit conversion to C string in internal representation (char*,
// wchar_t*, UTF-8-encoded char*, depending on the build):
- const_pointer wx_str() const { return m_impl.c_str(); }
+ const wxStringCharType *wx_str() const { return m_impl.c_str(); }
// conversion to *non-const* multibyte or widestring buffer; modifying
// returned buffer won't affect the string, these methods are only useful
const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); }
- const wxChar* wc_str() const { return c_str(); }
-
+#if wxUSE_UNICODE_WCHAR
+ const wxChar* wc_str() const { return wx_str(); }
+#elif wxUSE_UNICODE_UTF8
+ const wxWCharBuffer wc_str() const;
+#endif
// for compatibility with !wxUSE_UNICODE version
- const wxChar* wc_str(const wxMBConv& WXUNUSED(conv)) const { return c_str(); }
+ const wxWX2WCbuf wc_str(const wxMBConv& WXUNUSED(conv)) const
+ { return wc_str(); }
#if wxMBFILES
const wxCharBuffer fn_str() const { return mb_str(wxConvFile); }
#else // !wxMBFILES
- const wxChar* fn_str() const { return c_str(); }
+ const wxWX2WCbuf fn_str() const { return wc_str(); }
#endif // wxMBFILES/!wxMBFILES
+
#else // ANSI
- const wxChar* mb_str() const { return c_str(); }
+ const wxChar* mb_str() const { return wx_str(); }
// for compatibility with wxUSE_UNICODE version
- const wxChar* mb_str(const wxMBConv& WXUNUSED(conv)) const { return c_str(); }
+ const wxChar* mb_str(const wxMBConv& WXUNUSED(conv)) const { return wx_str(); }
const wxWX2MBbuf mbc_str() const { return mb_str(); }
// overloaded assignment
// from another wxString
- wxString& operator=(const wxStringImpl& stringSrc)
- { m_impl = stringSrc; return *this; }
+ wxString& operator=(const wxString& stringSrc)
+ { m_impl = stringSrc.m_impl; return *this; }
wxString& operator=(const wxCStrData& cstr)
{ return *this = cstr.AsString(); }
// from a character
// from a C string - STL probably will crash on NULL,
// so we need to compensate in that case
#if wxUSE_STL_BASED_WXSTRING
- wxString& operator=(const wxChar *psz)
- { if(psz) m_impl = psz; else Clear(); return *this; }
+ wxString& operator=(const char *psz)
+ { if (psz) m_impl = ImplStr(psz); else Clear(); return *this; }
+ wxString& operator=(const wchar_t *pwz)
+ { if (pwz) m_impl = ImplStr(pwz); else Clear(); return *this; }
#else
- wxString& operator=(const wxChar *psz)
- { m_impl = psz; return *this; }
+ wxString& operator=(const char *psz)
+ { m_impl = ImplStr(psz); return *this; }
+ wxString& operator=(const wchar_t *pwz)
+ { m_impl = ImplStr(pwz); return *this; }
#endif
+ wxString& operator=(const unsigned char *psz)
+ { return operator=((const char*)psz); }
-#if wxUSE_UNICODE
// from wxWCharBuffer
wxString& operator=(const wxWCharBuffer& s)
- { (void) operator=((const wchar_t *)s); return *this; }
- // from C string
- wxString& operator=(const char* psz)
- { return operator=(wxString(psz)); }
-#else // ANSI
- // from another kind of C string
- wxString& operator=(const unsigned char* psz);
-#if wxUSE_WCHAR_T
- // from a wide string
- wxString& operator=(const wchar_t *pwz);
-#endif
+ { return operator=(s.data()); } // FIXME-UTF8: fix for embedded NULs
// from wxCharBuffer
- wxString& operator=(const wxCharBuffer& psz)
- { (void) operator=((const char *)psz); return *this; }
-#endif // Unicode/ANSI
+ wxString& operator=(const wxCharBuffer& s)
+ { return operator=(s.data()); } // FIXME-UTF8: fix for embedded NULs
// string concatenation
// in place concatenation
{ return CmpNoCase(wxString(pwz)); }
// test for the string equality, either considering case or not
// (if compareWithCase then the case matters)
- bool IsSameAs(const char *psz, bool compareWithCase = true) const
- { return (compareWithCase ? Cmp(psz) : CmpNoCase(psz)) == 0; }
- bool IsSameAs(const wchar_t *pwz, bool compareWithCase = true) const
- { return (compareWithCase ? Cmp(pwz) : CmpNoCase(pwz)) == 0; }
+ bool IsSameAs(const wxString& str, bool compareWithCase = true) const
+ { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; }
+ bool IsSameAs(const char *str, bool compareWithCase = true) const
+ { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; }
+ bool IsSameAs(const wchar_t *str, bool compareWithCase = true) const
+ { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; }
// comparison with a single character: returns true if equal
bool IsSameAs(wxUniChar c, bool compareWithCase = true) const
{
return (length() == 1) && (compareWithCase ? GetChar(0u) == c
: wxToupper(GetChar(0u)) == wxToupper(c));
}
+ // FIXME-UTF8: remove these overloads
+ bool IsSameAs(wxUniCharRef c, bool compareWithCase = true) const
+ { return IsSameAs(wxUniChar(c), compareWithCase); }
+ bool IsSameAs(char c, bool compareWithCase = true) const
+ { return IsSameAs(wxUniChar(c), compareWithCase); }
+ bool IsSameAs(unsigned char c, bool compareWithCase = true) const
+ { return IsSameAs(wxUniChar(c), compareWithCase); }
+ bool IsSameAs(wchar_t c, bool compareWithCase = true) const
+ { return IsSameAs(wxUniChar(c), compareWithCase); }
+ bool IsSameAs(int c, bool compareWithCase = true) const
+ { return IsSameAs(wxUniChar(c), compareWithCase); }
// simple sub-string extraction
// return substring starting at nFirst of length nCount (or till the end
// searching and replacing
// searching (return starting index, or -1 if not found)
int Find(wxUniChar ch, bool bFromEnd = false) const; // like strchr/strrchr
+ int Find(wxUniCharRef ch, bool bFromEnd = false) const
+ { return Find(wxUniChar(ch), bFromEnd); }
+ int Find(char ch, bool bFromEnd = false) const
+ { return Find(wxUniChar(ch), bFromEnd); }
+ int Find(unsigned char ch, bool bFromEnd = false) const
+ { return Find(wxUniChar(ch), bFromEnd); }
+ int Find(wchar_t ch, bool bFromEnd = false) const
+ { return Find(wxUniChar(ch), bFromEnd); }
// searching (return starting index, or -1 if not found)
- int Find(const wxChar *pszSub) const; // like strstr
+ // FIXME-UTF8: keep wxString overload only
+ int Find(const wxString& sub) const // like strstr
+ {
+ size_type idx = find(sub);
+ return (idx == npos) ? wxNOT_FOUND : (int)idx;
+ }
+ int Find(const char *sub) const // like strstr
+ {
+ size_type idx = find(sub);
+ return (idx == npos) ? wxNOT_FOUND : (int)idx;
+ }
+ int Find(const wchar_t *sub) const // like strstr
+ {
+ size_type idx = find(sub);
+ return (idx == npos) ? wxNOT_FOUND : (int)idx;
+ }
+
// replace first (or all of bReplaceAll) occurences of substring with
// another string, returns the number of replacements made
- size_t Replace(const wxChar *szOld,
- const wxChar *szNew,
+ size_t Replace(const wxString& strOld,
+ const wxString& strNew,
bool bReplaceAll = true);
// check if the string contents matches a mask containing '*' and '?'
- bool Matches(const wxChar *szMask) const;
+ bool Matches(const wxString& mask) const;
// conversion to numbers: all functions return true only if the whole
// string is a number and put the value of this number into the pointer
// use Find()
int First( wxUniChar ch ) const { return Find(ch); }
+ int First( wxUniCharRef ch ) const { return Find(ch); }
int First( char ch ) const { return Find(ch); }
int First( unsigned char ch ) const { return Find(ch); }
int First( wchar_t ch ) const { return Find(ch); }
int First( const wxChar* psz ) const { return Find(psz); }
- int First( const wxString &str ) const { return Find(str); }
+ int First( const wxString& str ) const { return Find(str); }
int Last( wxUniChar ch ) const { return Find(ch, true); }
bool Contains(const wxString& str) const { return Find(str) != wxNOT_FOUND; }
// take nLen chars starting at nPos
wxString(const wxString& str, size_t nPos, size_t nLen)
: m_impl(str.m_impl, nPos, nLen) { }
- // take all characters from pStart to pEnd
- wxString(const void *pStart, const void *pEnd)
- : m_impl((const wxChar*)pStart, (const wxChar*)pEnd) { }
+ // take all characters from first to last
wxString(const_iterator first, const_iterator last)
: m_impl(first, last) { }
- wxString(iterator first, iterator last)
- : m_impl(first, last) { }
+ wxString(const char *first, const char *last)
+ {
+ SubstrBufFromMB str(ImplStr(first, last - first));
+ m_impl.assign(str.data, str.len);
+ }
+ wxString(const wchar_t *first, const wchar_t *last)
+ {
+ SubstrBufFromWC str(ImplStr(first, last - first));
+ m_impl.assign(str.data, str.len);
+ }
// lib.string.modifiers
// append elements str[pos], ..., str[pos+n]
// append from first to last
wxString& append(const_iterator first, const_iterator last)
{ m_impl.append(first, last); return *this; }
+ wxString& append(const char *first, const char *last)
+ { return append(first, last - first); }
+ wxString& append(const wchar_t *first, const wchar_t *last)
+ { return append(first, last - first); }
// same as `this_string = str'
wxString& assign(const wxString& str)
{ m_impl = str.m_impl; return *this; }
+ wxString& assign(const wxString& str, size_t len)
+ {
+ m_impl.assign(str.m_impl, 0, str.LenToImpl(len));
+ return *this;
+ }
// same as ` = str[pos..pos + n]
wxString& assign(const wxString& str, size_t pos, size_t n)
{
m_impl.assign(n, (wxStringCharType)ch);
return *this;
}
+
+ wxString& assign(size_t n, wxUniCharRef ch)
+ { return assign(n, wxUniChar(ch)); }
+ wxString& assign(size_t n, char ch)
+ { return assign(n, wxUniChar(ch)); }
+ wxString& assign(size_t n, unsigned char ch)
+ { return assign(n, wxUniChar(ch)); }
+ wxString& assign(size_t n, wchar_t ch)
+ { return assign(n, wxUniChar(ch)); }
+
// assign from first to last
wxString& assign(const_iterator first, const_iterator last)
{ m_impl.assign(first, last); return *this; }
+ wxString& assign(const char *first, const char *last)
+ { return assign(first, last - first); }
+ wxString& assign(const wchar_t *first, const wchar_t *last)
+ { return assign(first, last - first); }
// string comparison
int compare(const wxString& str) const;
{
#if wxUSE_UNICODE_UTF8
if ( !ch.IsAscii() )
- m_impl.insert(begin() + nPos, EncodeNChars(n, ch));
+ m_impl.insert(PosToImpl(nPos), EncodeNChars(n, ch));
else
#endif
- m_impl.insert(begin() + nPos, n, (wxStringCharType)ch);
+ m_impl.insert(PosToImpl(nPos), n, (wxStringCharType)ch);
return *this;
}
iterator insert(iterator it, wxUniChar ch)
- { return iterator(m_impl.insert(it, EncodeChar(ch))); }
+ {
+#if wxUSE_UNICODE_UTF8
+ if ( !ch.IsAscii() )
+ {
+ size_t pos = IterToImplPos(it);
+ m_impl.insert(pos, EncodeChar(ch));
+ return iterator(this, m_impl.begin() + pos);
+ }
+ else
+#endif
+ return iterator(this, m_impl.insert(it, (wxStringCharType)ch));
+ }
void insert(iterator it, const_iterator first, const_iterator last)
{ m_impl.insert(it, first, last); }
+ void insert(iterator it, const char *first, const char *last)
+ { insert(it - begin(), first, last - first); }
+ void append(iterator it, const wchar_t *first, const wchar_t *last)
+ { insert(it - begin(), first, last - first); }
void insert(iterator it, size_type n, wxUniChar ch)
{
#if wxUSE_UNICODE_UTF8
if ( !ch.IsAscii() )
- m_impl.insert(it, EncodeNChars(n, ch));
+ m_impl.insert(IterToImplPos(it), EncodeNChars(n, ch));
else
#endif
m_impl.insert(it, n, (wxStringCharType)ch);
m_impl.erase(from, len);
return *this;
}
+ // delete characters from first up to last
iterator erase(iterator first, iterator last)
- { return iterator(m_impl.erase(first, last)); }
+ { return iterator(this, m_impl.erase(first, last)); }
iterator erase(iterator first)
- { return iterator(m_impl.erase(first)); }
+ { return iterator(this, m_impl.erase(first)); }
#ifdef wxSTRING_BASE_HASNT_CLEAR
void clear() { erase(); }
m_impl.replace(from, len, str.data, str.len);
return *this;
}
+ wxString& replace(size_t nStart, size_t nLen,
+ const wxString& s, size_t nCount)
+ {
+ size_t from, len;
+ PosLenToImpl(nStart, nLen, &from, &len);
+ m_impl.replace(from, len, s.m_impl.c_str(), s.LenToImpl(nCount));
+ return *this;
+ }
+
wxString& replace(iterator first, iterator last, const char* s)
{ m_impl.replace(first, last, ImplStr(s)); return *this; }
wxString& replace(iterator first, iterator last, const wchar_t* s)
wxString& replace(iterator first, iterator last,
const_iterator first1, const_iterator last1)
{ m_impl.replace(first, last, first1, last1); return *this; }
+ wxString& replace(iterator first, iterator last,
+ const char *first1, const char *last1)
+ { replace(first, last, first1, last1 - first1); return *this; }
+ wxString& replace(iterator first, iterator last,
+ const wchar_t *first1, const wchar_t *last1)
+ { replace(first, last, first1, last1 - first1); return *this; }
// swap two strings
void swap(wxString& str)
// as strpbrk() but starts at nStart, returns npos if not found
size_t find_first_of(const wxString& str, size_t nStart = 0) const
+#if wxUSE_UNICODE // FIXME-UTF8: temporary
+ { return find_first_of(str.mb_str().data(), nStart); }
+#else
{ return find_first_of((const wxChar*)str.c_str(), nStart); }
+#endif
// same as above
size_t find_first_of(const char* sz, size_t nStart = 0) const;
size_t find_first_of(const wchar_t* sz, size_t nStart = 0) const;
{ return find(c, nStart); }
// find the last (starting from nStart) char from str in this string
size_t find_last_of (const wxString& str, size_t nStart = npos) const
+#if wxUSE_UNICODE // FIXME-UTF8: temporary
+ { return find_last_of(str.mb_str().data(), nStart); }
+#else
{ return find_last_of((const wxChar*)str.c_str(), nStart); }
+#endif
// same as above
size_t find_last_of (const char* sz, size_t nStart = npos) const;
size_t find_last_of (const wchar_t* sz, size_t nStart = npos) const;
// as strspn() (starting from nStart), returns npos on failure
size_t find_first_not_of(const wxString& str, size_t nStart = 0) const
+#if wxUSE_UNICODE // FIXME-UTF8: temporary
+ { return find_first_not_of(str.mb_str().data(), nStart); }
+#else
{ return find_first_not_of((const wxChar*)str.c_str(), nStart); }
+#endif
// same as above
size_t find_first_not_of(const char* sz, size_t nStart = 0) const;
size_t find_first_not_of(const wchar_t* sz, size_t nStart = 0) const;
size_t find_first_not_of(wxUniChar ch, size_t nStart = 0) const;
// as strcspn()
size_t find_last_not_of(const wxString& str, size_t nStart = npos) const
+#if wxUSE_UNICODE // FIXME-UTF8: temporary
+ { return find_last_not_of(str.mb_str().data(), nStart); }
+#else
{ return find_last_not_of((const wxChar*)str.c_str(), nStart); }
+#endif
// same as above
size_t find_last_not_of(const char* sz, size_t nStart = npos) const;
size_t find_last_not_of(const wchar_t* sz, size_t nStart = npos) const;
private:
wxStringImpl m_impl;
+
+ // buffers for compatibility conversion from (char*)c_str() and
+ // (wchar_t*)c_str():
+ // FIXME-UTF8: bechmark various approaches to keeping compatibility buffers
+ template<typename T>
+ struct ConvertedBuffer
+ {
+ ConvertedBuffer() : m_buf(NULL) {}
+ ~ConvertedBuffer()
+ { free(m_buf); }
+
+ operator T*() const { return m_buf; }
+
+ ConvertedBuffer& operator=(T *str)
+ {
+ free(m_buf);
+ m_buf = str;
+ return *this;
+ }
+
+ T *m_buf;
+ };
+#if wxUSE_UNICODE
+ ConvertedBuffer<char> m_convertedToChar;
+#endif
+#if !wxUSE_UNICODE_WCHAR
+ ConvertedBuffer<wchar_t> m_convertedToWChar;
+#endif
+ friend class WXDLLIMPEXP_BASE wxCStrData;
};
#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
#define wxCMP_CHAR_CSTRDATA(p, s, op) p op s.AsChar()
#define wxCMP_WCHAR_CSTRDATA(p, s, op) p op s.AsWChar()
-// FIXME: these ifdefs must be removed when wxCStrData has both conversions
-#if wxUSE_UNICODE
- wxDEFINE_ALL_COMPARISONS(const wchar_t *, const wxCStrData&, wxCMP_WCHAR_CSTRDATA)
-#else
- wxDEFINE_ALL_COMPARISONS(const char *, const wxCStrData&, wxCMP_CHAR_CSTRDATA)
-#endif
+wxDEFINE_ALL_COMPARISONS(const wchar_t *, const wxCStrData&, wxCMP_WCHAR_CSTRDATA)
+wxDEFINE_ALL_COMPARISONS(const char *, const wxCStrData&, wxCMP_CHAR_CSTRDATA)
#undef wxCMP_CHAR_CSTRDATA
#undef wxCMP_WCHAR_CSTRDATA
WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&);
WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCStrData&);
+WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCharBuffer&);
+#ifndef __BORLANDC__
+WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxWCharBuffer&);
+#endif
#endif // wxSTD_STRING_COMPATIBILITY
delete m_str;
}
-#if wxUSE_UNICODE
+inline wxCStrData::operator bool() const
+{
+ return !m_str->empty();
+}
+
+// simple cases for AsChar() and AsWChar(), the complicated ones are
+// in string.cpp
+#if wxUSE_UNICODE_WCHAR
inline const wchar_t* wxCStrData::AsWChar() const
-#else
+{
+ return m_str->wx_str() + m_offset;
+}
+#endif // wxUSE_UNICODE_WCHAR
+
+#if !wxUSE_UNICODE
inline const char* wxCStrData::AsChar() const
-#endif
{
- // FIXME-UTF8: incorrect position, incorrect charset
return m_str->wx_str() + m_offset;
}
+#endif // !wxUSE_UNICODE
inline wxString wxCStrData::AsString() const
{
return m_str->at(m_offset + n);
}
+// ----------------------------------------------------------------------------
+// more wxCStrData operators
+// ----------------------------------------------------------------------------
+
+// we need to define those to allow "size_t pos = p - s.c_str()" where p is
+// some pointer into the string
+inline size_t operator-(const char *p, const wxCStrData& cs)
+{
+ return p - cs.AsChar();
+}
+
+inline size_t operator-(const wchar_t *p, const wxCStrData& cs)
+{
+ return p - cs.AsWChar();
+}
+
// ----------------------------------------------------------------------------
// implementation of wx[W]CharBuffer inline methods using wxCStrData
// ----------------------------------------------------------------------------
-// FIXME-UTF8: move this to buffer.h; provide versions for both variants
-inline wxWxCharBuffer::wxWxCharBuffer(const wxCStrData& cstr)
- : wxCharTypeBufferBase((const wxChar *)cstr)
+// FIXME-UTF8: move this to buffer.h
+inline wxCharBuffer::wxCharBuffer(const wxCStrData& cstr)
+ : wxCharTypeBufferBase(cstr.AsChar())
+{
+}
+
+inline wxWCharBuffer::wxWCharBuffer(const wxCStrData& cstr)
+ : wxCharTypeBufferBase(cstr.AsWChar())
{
}
-#endif // _WX_WXSTRING_H__
+#endif // _WX_WXSTRING_H_
projects / wxWidgets.git / blobdiff