#define wxMBSTRINGCAST (char *)(const char *)
#define wxWCSTRINGCAST (wchar_t *)(const wchar_t *)
+// like _T(), but for literals in wxString's internal representation, i.e.
+// char* in UTF-8 build and wxChar* otherwise:
+#if wxUSE_UNICODE_UTF8
+ #define wxSTRING_TEXT(str) str
+#else
+ #define wxSTRING_TEXT(str) _T(str)
+#endif
+
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
#pragma warning (disable:4275)
#endif
+#if wxUSE_UNICODE_UTF8
+// see the comment near wxString::iterator for why we need this
+struct WXDLLIMPEXP_BASE wxStringIteratorNode
+{
+ inline wxStringIteratorNode(const wxString *str,
+ wxStringImpl::const_iterator *citer);
+ inline wxStringIteratorNode(const wxString *str,
+ wxStringImpl::iterator *iter);
+ inline ~wxStringIteratorNode();
+
+ const wxString *m_str;
+ wxStringImpl::const_iterator *m_citer;
+ wxStringImpl::iterator *m_iter;
+ wxStringIteratorNode *m_prev, *m_next;
+};
+#endif // wxUSE_UNICODE_UTF8
+
class WXDLLIMPEXP_BASE wxString
#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
: public wxStringPrintfMixin
{ return ConvertStr(str, n, conv); }
static wxCharBuffer ImplStr(const wchar_t* str)
- { return ConvertStr(str, npos, wxConvUTF8).data; }
+ { return ConvertStr(str, npos, wxMBConvUTF8()).data; }
static SubstrBufFromWC ImplStr(const wchar_t* str, size_t n)
- { return ConvertStr(str, n, wxConvUTF8); }
+ { return ConvertStr(str, n, wxMBConvUTF8()); }
size_t PosToImpl(size_t pos) const
{
if ( pos == 0 || pos == npos )
return pos;
else
- return const_iterator(m_impl.begin() + pos) - begin();
+ return const_iterator(this, m_impl.begin() + pos) - begin();
}
#endif // !wxUSE_UNICODE_UTF8/wxUSE_UNICODE_UTF8
#define WX_STR_ITERATOR_TAG void /* dummy type */
#endif
- #define WX_STR_ITERATOR_IMPL(iterator_name, pointer_type, \
- reference_type, reference_ctor) \
+ #define WX_STR_ITERATOR_IMPL(iterator_name, pointer_type, reference_type) \
private: \
typedef wxStringImpl::iterator_name underlying_iterator; \
public: \
typedef reference_type reference; \
typedef pointer_type pointer; \
\
- reference operator*() const { return reference_ctor; } \
reference operator[](size_t n) const { return *(*this + n); } \
\
iterator_name& operator++() \
class const_iterator;
#if wxUSE_UNICODE_UTF8
+ // 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.
+ //
+ // Furthermore, the replace() call may invalid all iterators for the
+ // string, so we have to keep track of outstanding iterators and update
+ // them if replace() happens.
+ //
+ // This is implemented by maintaining linked list of iterators for every
+ // string and traversing it in wxUniCharRef::operator=(). Head of the
+ // list is stored in wxString. (FIXME-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_str, m_cur));
+ WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef);
public:
- iterator(const iterator& i) : m_cur(i.m_cur), m_str(i.m_str) {}
+ iterator(const iterator& i)
+ : m_cur(i.m_cur), m_node(i.str(), &m_cur) {}
+
+ reference operator*()
+ { return wxUniCharRef::CreateForString(m_node, m_cur); }
iterator operator+(int n) const
- { return iterator(m_str, wxStringOperations::AddToIter(m_cur, n)); }
+ { return iterator(str(), wxStringOperations::AddToIter(m_cur, n)); }
iterator operator+(size_t n) const
- { return iterator(m_str, wxStringOperations::AddToIter(m_cur, (int)n)); }
+ { return iterator(str(), wxStringOperations::AddToIter(m_cur, (int)n)); }
iterator operator-(int n) const
- { return iterator(m_str, wxStringOperations::AddToIter(m_cur, -n)); }
+ { return iterator(str(), wxStringOperations::AddToIter(m_cur, -n)); }
iterator operator-(size_t n) const
- { return iterator(m_str, wxStringOperations::AddToIter(m_cur, -(int)n)); }
+ { return iterator(str(), wxStringOperations::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) {}
+ : m_cur(ptr), m_node(str, &m_cur) {}
+ iterator(wxString& str, underlying_iterator ptr)
+ : m_cur(ptr), m_node(&str, &m_cur) {}
+
+ wxString* str() const { return wx_const_cast(wxString*, m_node.m_str); }
- wxStringImpl& m_str;
+ wxStringIteratorNode m_node;
friend class const_iterator;
};
+ 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);
+
+ public:
+ const_iterator(const const_iterator& i)
+ : m_cur(i.m_cur), m_node(i.str(), &m_cur) {}
+ const_iterator(const iterator& i)
+ : m_cur(i.m_cur), m_node(i.str(), &m_cur) {}
+
+ reference operator*() const
+ { return wxStringOperations::DecodeChar(m_cur); }
+
+ const_iterator operator+(int n) const
+ { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, n)); }
+ const_iterator operator+(size_t n) const
+ { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, (int)n)); }
+ const_iterator operator-(int n) const
+ { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, -n)); }
+ const_iterator operator-(size_t n) const
+ { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, -(int)n)); }
+
+ private:
+ // for internal wxString use only:
+ const_iterator(const wxString *str, underlying_iterator ptr)
+ : m_cur(ptr), m_node(str, &m_cur) {}
+ const_iterator(const wxString& str, underlying_iterator ptr)
+ : m_cur(ptr), m_node(&str, &m_cur) {}
+
+ const wxString* str() const { return m_node.m_str; }
+
+ wxStringIteratorNode m_node;
+ };
+
size_t IterToImplPos(wxString::iterator i) const
{ return wxStringImpl::const_iterator(i.impl()) - m_impl.begin(); }
class iterator
{
- WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef,
- wxUniCharRef::CreateForString(m_cur));
+ WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef);
public:
iterator(const iterator& i) : m_cur(i.m_cur) {}
+ reference operator*()
+ { return wxUniCharRef::CreateForString(m_cur); }
+
iterator operator+(int n) const
{ return iterator(wxStringOperations::AddToIter(m_cur, n)); }
iterator operator+(size_t n) const
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,
- wxStringOperations::DecodeChar(m_cur));
+ WX_STR_ITERATOR_IMPL(const_iterator, const wxChar*, wxUniChar);
public:
const_iterator(const const_iterator& i) : m_cur(i.m_cur) {}
const_iterator(const iterator& i) : m_cur(i.m_cur) {}
+ reference operator*() const
+ { return wxStringOperations::DecodeChar(m_cur); }
+
const_iterator operator+(int n) const
{ return const_iterator(wxStringOperations::AddToIter(m_cur, n)); }
const_iterator operator+(size_t n) const
private:
// for internal wxString use only:
const_iterator(underlying_iterator ptr) : m_cur(ptr) {}
+ const_iterator(const wxString *WXUNUSED(str), underlying_iterator ptr)
+ : m_cur(ptr) {}
};
+#endif // wxUSE_UNICODE_UTF8/!wxUSE_UNICODE_UTF8
#undef WX_STR_ITERATOR_TAG
#undef WX_STR_ITERATOR_IMPL
// wxCStrData) to an iterator into the string
static const_iterator CreateConstIterator(const wxCStrData& data)
{
- return const_iterator(data.m_str->begin() + data.m_offset);
+ return const_iterator(data.m_str,
+ (data.m_str->begin() + data.m_offset).impl());
}
// in UTF-8 STL build, creation from std::string requires conversion under
// and because wxString is convertible to wxCStrData and const wxChar *
// we also need to provide this one
wxString(const wxString& str, size_t nLength)
- : m_impl(str.Mid(0, nLength).m_impl) {}
+ { assign(str, nLength); }
// even if we're not built with wxUSE_STL == 1 it is very convenient to allow
// implicit conversions from std::string to wxString and vice verse as this
#endif // wxUSE_STL
// first valid index position
- const_iterator begin() const { return const_iterator(m_impl.begin()); }
+ const_iterator begin() const { return const_iterator(this, 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()); }
+ const_iterator end() const { return const_iterator(this, m_impl.end()); }
iterator end() { return iterator(this, m_impl.end()); }
// first element of the reversed string
// get last character
wxUniChar Last() const
- {
- wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") );
-
- return at(length() - 1);
- }
+ {
+ wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") );
+ return *rbegin();
+ }
// get writable last character
wxUniCharRef Last()
- {
- wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") );
- return at(length() - 1);
- }
+ {
+ wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") );
+ return *rbegin();
+ }
/*
Note that we we must define all of the overloads below to avoid
const char* ToUTF8() const { return wx_str(); }
#elif wxUSE_UNICODE_WCHAR
static wxString FromUTF8(const char *utf8)
- { return wxString(utf8, wxConvUTF8); }
+ { return wxString(utf8, wxMBConvUTF8()); }
static wxString FromUTF8(const char *utf8, size_t len)
- { return wxString(utf8, wxConvUTF8, len); }
- const wxCharBuffer utf8_str() const { return mb_str(wxConvUTF8); }
+ { return wxString(utf8, wxMBConvUTF8(), len); }
+ const wxCharBuffer utf8_str() const { return mb_str(wxMBConvUTF8()); }
const wxCharBuffer ToUTF8() const { return utf8_str(); }
#else // ANSI
static wxString FromUTF8(const char *utf8)
- { return wxString(wxConvUTF8.cMB2WC(utf8)); }
+ { return wxString(wxMBConvUTF8().cMB2WC(utf8)); }
static wxString FromUTF8(const char *utf8, size_t len)
- { return wxString(wxConvUTF8.cMB2WC(utf8, len == npos ? wxNO_LEN : len)); }
- const wxCharBuffer utf8_str() const { return wxConvUTF8.cWC2MB(wc_str()); }
+ {
+ size_t wlen;
+ wxWCharBuffer buf(wxMBConvUTF8().cMB2WC(utf8, len == npos ? wxNO_LEN : len, &wlen));
+ return wxString(buf.data(), wlen);
+ }
+ const wxCharBuffer utf8_str() const
+ { return wxMBConvUTF8().cWC2MB(wc_str()); }
const wxCharBuffer ToUTF8() const { return utf8_str(); }
#endif
// check if the string starts with the given prefix and return the rest
// of the string in the provided pointer if it is not NULL; otherwise
// return false
- bool StartsWith(const wxChar *prefix, wxString *rest = NULL) const;
+ bool StartsWith(const wxString& prefix, wxString *rest = NULL) const;
// check if the string ends with the given suffix and return the
// beginning of the string before the suffix in the provided pointer if
// it is not NULL; otherwise return false
- bool EndsWith(const wxChar *suffix, wxString *rest = NULL) const;
+ bool EndsWith(const wxString& suffix, wxString *rest = NULL) const;
// get first nCount characters
wxString Left(size_t nCount) const;
WX_DEFINE_VARARG_FUNC(int, Printf, 1, (const wxFormatString&),
DoPrintfWchar, DoPrintfUtf8)
#ifdef __WATCOMC__
- WX_DEFINE_VARARG_FUNC(int, Printf, 1, (const char*),
- DoPrintfWchar, DoPrintfUtf8)
- WX_DEFINE_VARARG_FUNC(int, Printf, 1, (const wchar_t*),
- DoPrintfWchar, DoPrintfUtf8)
- WX_DEFINE_VARARG_FUNC(int, Printf, 1, (const wxCStrData&),
- DoPrintfWchar, DoPrintfUtf8)
+ // workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
+ WX_VARARG_WATCOM_WORKAROUND(int, Printf, 1, (const wxString&),
+ (wxFormatString(f1)));
+ WX_VARARG_WATCOM_WORKAROUND(int, Printf, 1, (const wxCStrData&),
+ (wxFormatString(f1)));
+ WX_VARARG_WATCOM_WORKAROUND(int, Printf, 1, (const char*),
+ (wxFormatString(f1)));
+ WX_VARARG_WATCOM_WORKAROUND(int, Printf, 1, (const wchar_t*),
+ (wxFormatString(f1)));
#endif
#endif // !wxNEEDS_WXSTRING_PRINTF_MIXIN
// as vprintf(), returns the number of characters written or < 0 on error
DoFormatWchar, DoFormatUtf8)
#ifdef __WATCOMC__
// workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
- WX_DEFINE_VARARG_FUNC(static wxString, Format, 1, (const char*),
- DoFormatWchar, DoFormatUtf8)
- WX_DEFINE_VARARG_FUNC(static wxString, Format, 1, (const wchar_t*),
- DoFormatWchar, DoFormatUtf8)
- WX_DEFINE_VARARG_FUNC(static wxString, Format, 1, (const wxCStrData&),
- DoFormatWchar, DoFormatUtf8)
+ WX_VARARG_WATCOM_WORKAROUND(static wxString, Format, 1, (const wxString&),
+ (wxFormatString(f1)));
+ WX_VARARG_WATCOM_WORKAROUND(static wxString, Format, 1, (const wxCStrData&),
+ (wxFormatString(f1)));
+ WX_VARARG_WATCOM_WORKAROUND(static wxString, Format, 1, (const char*),
+ (wxFormatString(f1)));
+ WX_VARARG_WATCOM_WORKAROUND(static wxString, Format, 1, (const wchar_t*),
+ (wxFormatString(f1)));
#endif
#endif
// the same as above, but takes a va_list
DoPrintfWchar, DoPrintfUtf8)
#ifdef __WATCOMC__
// workaround for http://bugzilla.openwatcom.org/show_bug.cgi?id=351
- WX_DEFINE_VARARG_FUNC(int, sprintf, 1, (const char*),
- DoPrintfWchar, DoPrintfUtf8)
- WX_DEFINE_VARARG_FUNC(int, sprintf, 1, (const wchar_t*),
- DoPrintfWchar, DoPrintfUtf8)
- WX_DEFINE_VARARG_FUNC(int, sprintf, 1, (const wxCStrData&),
- DoPrintfWchar, DoPrintfUtf8)
+ WX_VARARG_WATCOM_WORKAROUND(int, sprintf, 1, (const wxString&),
+ (wxFormatString(f1)));
+ WX_VARARG_WATCOM_WORKAROUND(int, sprintf, 1, (const wxCStrData&),
+ (wxFormatString(f1)));
+ WX_VARARG_WATCOM_WORKAROUND(int, sprintf, 1, (const char*),
+ (wxFormatString(f1)));
+ WX_VARARG_WATCOM_WORKAROUND(int, sprintf, 1, (const wchar_t*),
+ (wxFormatString(f1)));
#endif
#endif // wxNEEDS_WXSTRING_PRINTF_MIXIN
// take nLen chars starting at nPos
wxString(const wxString& str, size_t nPos, size_t nLen)
- : m_impl(str.m_impl, nPos, nLen) { }
+ { assign(str, nPos, nLen); }
// take all characters from first to last
wxString(const_iterator first, const_iterator last)
: m_impl(first.impl(), last.impl()) { }
ConvertedBuffer<wchar_t> m_convertedToWChar;
#endif
+#if wxUSE_UNICODE_UTF8
+ // FIXME-UTF8: (try to) move this elsewhere (TLS) or solve differently
+ // assigning to character pointer to by wxString::interator may
+ // change the underlying wxStringImpl iterator, so we have to
+ // keep track of all iterators and update them as necessary:
+ struct wxStringIteratorNodeHead
+ {
+ wxStringIteratorNodeHead() : ptr(NULL) {}
+ wxStringIteratorNode *ptr;
+ };
+
+ wxStringIteratorNodeHead m_iterators;
+
+ friend class WXDLLIMPEXP_BASE wxStringIteratorNode;
+ friend class WXDLLIMPEXP_BASE wxUniCharRef;
+#endif // wxUSE_UNICODE_UTF8
+
friend class WXDLLIMPEXP_BASE wxCStrData;
friend class wxImplStringBuffer;
friend class wxImplStringBufferLength;
inline bool operator>=(const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) >= 0; }
-#if wxUSE_UNICODE
+inline bool operator==(const wxString& s1, const wxCStrData& s2)
+ { return s1 == s2.AsString(); }
+inline bool operator==(const wxCStrData& s1, const wxString& s2)
+ { return s1.AsString() == s2; }
+inline bool operator!=(const wxString& s1, const wxCStrData& s2)
+ { return s1 != s2.AsString(); }
+inline bool operator!=(const wxCStrData& s1, const wxString& s2)
+ { return s1.AsString() != s2; }
+
inline bool operator==(const wxString& s1, const wxWCharBuffer& s2)
{ return (s1.Cmp((const wchar_t *)s2) == 0); }
inline bool operator==(const wxWCharBuffer& s1, const wxString& s2)
{ return (s1.Cmp((const wchar_t *)s2) != 0); }
inline bool operator!=(const wxWCharBuffer& s1, const wxString& s2)
{ return (s2.Cmp((const wchar_t *)s1) != 0); }
-#else // !wxUSE_UNICODE
+
inline bool operator==(const wxString& s1, const wxCharBuffer& s2)
{ return (s1.Cmp((const char *)s2) == 0); }
inline bool operator==(const wxCharBuffer& s1, const wxString& s2)
{ return (s1.Cmp((const char *)s2) != 0); }
inline bool operator!=(const wxCharBuffer& s1, const wxString& s2)
{ return (s2.Cmp((const char *)s1) != 0); }
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
-#if wxUSE_UNICODE
inline wxString operator+(const wxString& string, const wxWCharBuffer& buf)
{ return string + (const wchar_t *)buf; }
inline wxString operator+(const wxWCharBuffer& buf, const wxString& string)
{ return (const wchar_t *)buf + string; }
-#else // !wxUSE_UNICODE
+
inline wxString operator+(const wxString& string, const wxCharBuffer& buf)
{ return string + (const char *)buf; }
inline wxString operator+(const wxCharBuffer& buf, const wxString& string)
{ return (const char *)buf + string; }
-#endif // wxUSE_UNICODE/!wxUSE_UNICODE
// comparison with char
inline bool operator==(const wxUniChar& c, const wxString& s) { return s.IsSameAs(c); }
}
#endif // wxUSE_UNICODE_WCHAR
-#if !wxUSE_UNICODE || wxUSE_UTF8_LOCALE_ONLY
+#if !wxUSE_UNICODE
inline const char* wxCStrData::AsChar() const
{
- return wxStringOperations::AddToIter(m_str->wx_str(), m_offset);
+ return m_str->wx_str() + m_offset;
}
#endif // !wxUSE_UNICODE
+#if wxUSE_UTF8_LOCALE_ONLY
+inline const char* wxCStrData::AsChar() const
+{
+ return wxStringOperations::AddToIter(m_str->wx_str(), m_offset);
+}
+#endif // wxUSE_UTF8_LOCALE_ONLY
+
inline const wxCharBuffer wxCStrData::AsCharBuf() const
{
#if !wxUSE_UNICODE
inline const wxStringCharType *wxCStrData::AsInternal() const
{
+#if wxUSE_UNICODE_UTF8
return wxStringOperations::AddToIter(m_str->wx_str(), m_offset);
+#else
+ return m_str->wx_str() + m_offset;
+#endif
}
inline wxUniChar wxCStrData::operator*() const
{
}
+#if wxUSE_UNICODE_UTF8
+// ----------------------------------------------------------------------------
+// implementation of wxStringIteratorNode inline methods
+// ----------------------------------------------------------------------------
+
+wxStringIteratorNode::wxStringIteratorNode(const wxString *str,
+ wxStringImpl::const_iterator *citer)
+ : m_str(str),
+ m_citer(citer),
+ m_iter(NULL),
+ m_prev(NULL),
+ m_next(str->m_iterators.ptr)
+{
+ wx_const_cast(wxString*, m_str)->m_iterators.ptr = this;
+ if ( m_next )
+ m_next->m_prev = this;
+}
+
+wxStringIteratorNode::wxStringIteratorNode(const wxString *str,
+ wxStringImpl::iterator *iter)
+ : m_str(str),
+ m_citer(NULL),
+ m_iter(iter),
+ m_prev(NULL),
+ m_next(str->m_iterators.ptr)
+{
+ wx_const_cast(wxString*, m_str)->m_iterators.ptr = this;
+ if ( m_next)
+ m_next->m_prev = this;
+}
+
+wxStringIteratorNode::~wxStringIteratorNode()
+{
+ if ( m_next )
+ m_next->m_prev = m_prev;
+ if ( m_prev )
+ m_prev->m_next = m_next;
+ else // first in the list
+ wx_const_cast(wxString*, m_str)->m_iterators.ptr = m_next;
+}
+#endif // wxUSE_UNICODE_UTF8
+
#if WXWIN_COMPATIBILITY_2_8
// lot of code out there doesn't explicitly include wx/wxchar.h, but uses
// CRT wrappers that are now declared in wx/wxcrt.h and wx/wxcrtvararg.h,
projects / wxWidgets.git / blobdiff