#include <StringMgr.h>
#endif
-#include "wx/wxcrt.h" // for wxChar, wxStrlen() etc.
+#include "wx/wxcrtbase.h" // for wxChar, wxStrlen() etc.
#include "wx/strvararg.h"
#include "wx/buffer.h" // for wxCharBuffer
#include "wx/strconv.h" // for wxConvertXXX() macros and wxMBConv classes
#include "wx/stringops.h"
#include "wx/unichar.h"
-class WXDLLIMPEXP_BASE wxString;
+class WXDLLIMPEXP_FWD_BASE wxString;
// unless this symbol is predefined to disable the compatibility functions, do
// use them
return _stricmp(psz1, psz2);
#elif defined(__SC__)
return _stricmp(psz1, psz2);
-#elif defined(__SALFORDC__)
- return stricmp(psz1, psz2);
#elif defined(__BORLANDC__)
return stricmp(psz1, psz2);
#elif defined(__WATCOMC__)
wxCStrData operator+(size_t n) const
{ return wxCStrData(m_str, m_offset + n, m_owned); }
- // and these for "str.c_str() + n - 2":
- wxCStrData operator-(int n) const
- {
- wxASSERT_MSG( n <= (int)m_offset,
- _T("attempt to construct address before the beginning of the string") );
- return wxCStrData(m_str, m_offset - n, m_owned);
- }
- wxCStrData operator-(long n) const
+ // and these for "str.c_str() + (p2 - p1)" (it also works for any integer
+ // expression but it must be ptrdiff_t and not e.g. int to work in this
+ // example):
+ wxCStrData operator-(ptrdiff_t n) const
{
- wxASSERT_MSG( n <= (int)m_offset,
- _T("attempt to construct address before the beginning of the string") );
- return wxCStrData(m_str, m_offset - n, m_owned);
- }
- wxCStrData operator-(size_t n) const
- {
- wxASSERT_MSG( n <= m_offset,
+ wxASSERT_MSG( n <= (ptrdiff_t)m_offset,
_T("attempt to construct address before the beginning of the string") );
return wxCStrData(m_str, m_offset - n, m_owned);
}
size_t m_offset;
bool m_owned;
- friend class WXDLLIMPEXP_BASE wxString;
+ friend class WXDLLIMPEXP_FWD_BASE wxString;
};
// ----------------------------------------------------------------------------
// We have to implement the version without template arguments manually
// because of the StringReturnType<> hack, although WX_DEFINE_VARARG_FUNC
// normally does it itself. It has to be a template so that we can use
- // the hack, even though there's no real template parameter:
- struct FormatDummyArg {} ;
-
+ // the hack, even though there's no real template parameter. We can't move
+ // it to wxStrig, because it would shadow these versions of Format() then.
template<typename T>
inline static typename StringReturnType<T>::type
- Format(const wxFormatString& fmt, FormatDummyArg dummy = FormatDummyArg())
+ Format(const T& fmt)
{
- return DoFormatWchar(fmt);
+ // NB: this doesn't compile if T is not (some form of) a string;
+ // this makes Format's prototype equivalent to
+ // Format(const wxFormatString& fmt)
+ return DoFormatWchar(wxFormatString(fmt));
}
// int Printf(const wxString& format, ...);
#pragma warning (disable:4275)
#endif
+#if wxUSE_UNICODE_UTF8
+// see the comment near wxString::iterator for why we need this
+class WXDLLIMPEXP_BASE wxStringIteratorNode
+{
+public:
+ wxStringIteratorNode()
+ : m_str(NULL), m_citer(NULL), m_iter(NULL), m_prev(NULL), m_next(NULL) {}
+ wxStringIteratorNode(const wxString *str,
+ wxStringImpl::const_iterator *citer)
+ { DoSet(str, citer, NULL); }
+ wxStringIteratorNode(const wxString *str, wxStringImpl::iterator *iter)
+ { DoSet(str, NULL, iter); }
+ ~wxStringIteratorNode()
+ { clear(); }
+
+ inline void set(const wxString *str, wxStringImpl::const_iterator *citer)
+ { clear(); DoSet(str, citer, NULL); }
+ inline void set(const wxString *str, wxStringImpl::iterator *iter)
+ { clear(); DoSet(str, NULL, iter); }
+
+ const wxString *m_str;
+ wxStringImpl::const_iterator *m_citer;
+ wxStringImpl::iterator *m_iter;
+ wxStringIteratorNode *m_prev, *m_next;
+
+private:
+ inline void clear();
+ inline void DoSet(const wxString *str,
+ wxStringImpl::const_iterator *citer,
+ wxStringImpl::iterator *iter);
+
+ // the node belongs to a particular iterator instance, it's not copied
+ // when a copy of the iterator is made
+ DECLARE_NO_COPY_CLASS(wxStringIteratorNode)
+};
+#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++() \
return tmp; \
} \
\
- iterator_name& operator+=(int n) \
+ iterator_name& operator+=(ptrdiff_t n) \
{ \
m_cur = wxStringOperations::AddToIter(m_cur, n); \
return *this; \
} \
- iterator_name& operator+=(size_t n) \
- { \
- m_cur = wxStringOperations::AddToIter(m_cur, (int)n); \
- return *this; \
- } \
- iterator_name& operator-=(int n) \
+ iterator_name& operator-=(ptrdiff_t n) \
{ \
m_cur = wxStringOperations::AddToIter(m_cur, -n); \
return *this; \
- } \
- iterator_name& operator-=(size_t n) \
- { \
- m_cur = wxStringOperations::AddToIter(m_cur, -(int)n); \
- return *this; \
} \
\
difference_type operator-(const iterator_name& i) const \
/* for internal wxString use only: */ \
underlying_iterator impl() const { return m_cur; } \
\
- friend class WXDLLIMPEXP_BASE wxString; \
- friend class WXDLLIMPEXP_BASE wxCStrData; \
+ friend class wxString; \
+ friend class wxCStrData; \
\
private: \
underlying_iterator m_cur
- class const_iterator;
+ class WXDLLIMPEXP_FWD_BASE 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.
+ // 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)
- WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef,
- wxUniCharRef::CreateForString(m_str, m_cur));
+ class WXDLLIMPEXP_BASE iterator
+ {
+ WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef);
public:
- iterator(const iterator& i) : m_cur(i.m_cur), m_str(i.m_str) {}
+ iterator() {}
+ iterator(const iterator& i)
+ : m_cur(i.m_cur), m_node(i.str(), &m_cur) {}
+ iterator& operator=(const iterator& i)
+ {
+ if (&i != this)
+ {
+ m_cur = i.m_cur;
+ m_node.set(i.str(), &m_cur);
+ }
+ return *this;
+ }
- iterator operator+(int n) const
- { return iterator(m_str, wxStringOperations::AddToIter(m_cur, n)); }
- iterator operator+(size_t n) const
- { return iterator(m_str, wxStringOperations::AddToIter(m_cur, (int)n)); }
- iterator operator-(int n) const
- { return iterator(m_str, wxStringOperations::AddToIter(m_cur, -n)); }
- iterator operator-(size_t n) const
- { return iterator(m_str, wxStringOperations::AddToIter(m_cur, -(int)n)); }
+ reference operator*()
+ { return wxUniCharRef::CreateForString(m_node, m_cur); }
+
+ iterator operator+(ptrdiff_t n) const
+ { return iterator(str(), wxStringOperations::AddToIter(m_cur, n)); }
+ iterator operator-(ptrdiff_t n) const
+ { return iterator(str(), wxStringOperations::AddToIter(m_cur, -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) {}
+
+ wxString* str() const { return wx_const_cast(wxString*, m_node.m_str); }
- wxStringImpl& m_str;
+ wxStringIteratorNode m_node;
friend class const_iterator;
};
+ class WXDLLIMPEXP_BASE 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_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) {}
+
+ const_iterator& operator=(const const_iterator& i)
+ {
+ if (&i != this)
+ {
+ m_cur = i.m_cur;
+ m_node.set(i.str(), &m_cur);
+ }
+ return *this;
+ }
+ const_iterator& operator=(const iterator& i)
+ { m_cur = i.m_cur; m_node.set(i.str(), &m_cur); return *this; }
+
+ reference operator*() const
+ { return wxStringOperations::DecodeChar(m_cur); }
+
+ const_iterator operator+(ptrdiff_t n) const
+ { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, n)); }
+ const_iterator operator-(ptrdiff_t n) const
+ { return const_iterator(str(), wxStringOperations::AddToIter(m_cur, -n)); }
+
+ private:
+ // for internal wxString use only:
+ 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(); }
#else // !wxUSE_UNICODE_UTF8
- class iterator
+ class WXDLLIMPEXP_BASE iterator
{
- WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef,
- wxUniCharRef::CreateForString(m_cur));
+ WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef);
public:
+ iterator() {}
iterator(const iterator& i) : m_cur(i.m_cur) {}
- iterator operator+(int n) const
+ reference operator*()
+ { return wxUniCharRef::CreateForString(m_cur); }
+
+ iterator operator+(ptrdiff_t n) const
{ return iterator(wxStringOperations::AddToIter(m_cur, n)); }
- iterator operator+(size_t n) const
- { return iterator(wxStringOperations::AddToIter(m_cur, (int)n)); }
- iterator operator-(int n) const
+ iterator operator-(ptrdiff_t n) const
{ return iterator(wxStringOperations::AddToIter(m_cur, -n)); }
- iterator operator-(size_t n) const
- { return iterator(wxStringOperations::AddToIter(m_cur, -(int)n)); }
private:
// for internal wxString use only:
friend class const_iterator;
};
-#endif // wxUSE_UNICODE_UTF8/!wxUSE_UNICODE_UTF8
- class const_iterator
+ class WXDLLIMPEXP_BASE 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_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
+ reference operator*() const
+ { return wxStringOperations::DecodeChar(m_cur); }
+
+ const_iterator operator+(ptrdiff_t n) const
{ return const_iterator(wxStringOperations::AddToIter(m_cur, n)); }
- const_iterator operator+(size_t n) const
- { return const_iterator(wxStringOperations::AddToIter(m_cur, (int)n)); }
- const_iterator operator-(int n) const
+ const_iterator operator-(ptrdiff_t n) const
{ return const_iterator(wxStringOperations::AddToIter(m_cur, -n)); }
- const_iterator operator-(size_t n) const
- { return const_iterator(wxStringOperations::AddToIter(m_cur, -(int)n)); }
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
typedef typename T::reference reference;
typedef typename T::pointer *pointer;
+ reverse_iterator_impl() {}
reverse_iterator_impl(iterator_type i) : m_cur(i) {}
reverse_iterator_impl(const reverse_iterator_impl& ri)
: m_cur(ri.m_cur) {}
{ 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
+ reverse_iterator_impl operator+(ptrdiff_t n) const
{ return reverse_iterator_impl<T>(m_cur - n); }
- reverse_iterator_impl operator+(size_t n) const
- { return reverse_iterator_impl<T>(m_cur - n); }
- reverse_iterator_impl operator-(int n) const
- { return reverse_iterator_impl<T>(m_cur + n); }
- reverse_iterator_impl operator-(size_t n) const
+ reverse_iterator_impl operator-(ptrdiff_t n) const
{ return reverse_iterator_impl<T>(m_cur + n); }
- reverse_iterator_impl operator+=(int n)
+ reverse_iterator_impl operator+=(ptrdiff_t n)
{ m_cur -= n; return *this; }
- reverse_iterator_impl operator+=(size_t n)
- { m_cur -= n; return *this; }
- reverse_iterator_impl operator-=(int n)
- { m_cur += n; return *this; }
- reverse_iterator_impl operator-=(size_t n)
+ reverse_iterator_impl operator-=(ptrdiff_t n)
{ m_cur += n; return *this; }
unsigned operator-(const reverse_iterator_impl& i) const
// 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
wxString(const wxString& stringSrc) : m_impl(stringSrc.m_impl) { }
// string containing nRepeat copies of ch
- wxString(wxUniChar ch, size_t nRepeat = 1)
+ wxString(wxUniChar ch, size_t nRepeat = 1 )
{ assign(nRepeat, ch); }
wxString(size_t nRepeat, wxUniChar ch)
{ assign(nRepeat, ch); }
wxString(const std::string& str)
{ assign(str.c_str(), str.length()); }
#endif
+#endif // wxUSE_STD_STRING
+ // Unlike ctor from std::string, we provide conversion to std::string only
+ // if wxUSE_STL and not merely wxUSE_STD_STRING (which is on by default),
+ // because it conflicts with operator const char/wchar_t*:
+#if wxUSE_STL
#if wxUSE_UNICODE_WCHAR && wxUSE_STL_BASED_WXSTRING
// wxStringImpl is std::string in the encoding we want
operator const wxStdWideString&() const { return m_impl; }
#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
void resize(size_t nSize, wxUniChar ch = wxT('\0'))
{
+ const size_t len = length();
+ if ( nSize == len)
+ return;
+
#if wxUSE_UNICODE_UTF8
- if ( !ch.IsAscii() )
+ if ( nSize < len )
{
- size_t len = length();
- if ( nSize == len)
- return;
- else if ( nSize < len )
- erase(nSize);
- else
- append(nSize - len, ch);
+ // we can't use wxStringImpl::resize() for truncating the string as it
+ // counts in bytes, not characters
+ erase(nSize);
+ return;
}
+
+ // we also can't use (presumably more efficient) resize() if we have to
+ // append characters taking more than one byte
+ if ( !ch.IsAscii() )
+ append(nSize - len, ch);
else
-#endif
+#endif // wxUSE_UNICODE_UTF8
m_impl.resize(nSize, (wxStringCharType)ch);
}
// 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
// implicit conversion to C string
operator wxCStrData() const { return c_str(); }
+
+ // the first two operators conflict with operators for conversion to
+ // std::string and they must be disabled in STL build; the next one only
+ // makes sense if conversions to char* are also defined and not defining it
+ // in STL build also helps us to get more clear error messages for the code
+ // which relies on implicit conversion to char* in STL build
+#if !wxUSE_STL
operator const char*() const { return c_str(); }
operator const wchar_t*() const { return c_str(); }
// wxWidgets versions: this is the same as conversion to const char * so it
// may fail!
operator const void*() const { return c_str(); }
+#endif // wxUSE_STL
// identical to c_str(), for MFC compatibility
const wxCStrData GetData() const { return c_str(); }
// the behaviour of these functions with the strings containing anything
// else than 7 bit ASCII characters is undefined, use at your own risk.
#if wxUSE_UNICODE
- static wxString FromAscii(const char *ascii); // string
- static wxString FromAscii(const char ascii); // char
+ static wxString FromAscii(const char *ascii, size_t len);
+ static wxString FromAscii(const char *ascii);
+ static wxString FromAscii(char ascii);
const wxCharBuffer ToAscii() const;
#else // ANSI
static wxString FromAscii(const char *ascii) { return wxString( ascii ); }
- static wxString FromAscii(const char ascii) { return wxString( ascii ); }
+ static wxString FromAscii(const char *ascii, size_t len)
+ { return wxString( ascii, len ); }
+ static wxString FromAscii(char ascii) { return wxString( ascii ); }
const char *ToAscii() const { return c_str(); }
#endif // Unicode/!Unicode
+ // also provide unsigned char overloads as signed/unsigned doesn't matter
+ // for 7 bit ASCII characters
+ static wxString FromAscii(const unsigned char *ascii)
+ { return FromAscii((const char *)ascii); }
+ static wxString FromAscii(const unsigned char *ascii, size_t len)
+ { return FromAscii((const char *)ascii, len); }
+
// conversion to/from UTF-8:
#if wxUSE_UNICODE_UTF8
static wxString FromUTF8(const char *utf8)
{
+ if ( !utf8 )
+ return wxEmptyString;
+
wxASSERT( wxStringOperations::IsValidUtf8String(utf8) );
return FromImpl(wxStringImpl(utf8));
}
static wxString FromUTF8(const char *utf8, size_t len)
{
+ if ( !utf8 )
+ return wxEmptyString;
+ if ( len == npos )
+ return FromUTF8(utf8);
+
wxASSERT( wxStringOperations::IsValidUtf8String(utf8, len) );
return FromImpl(wxStringImpl(utf8, len));
}
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)
{
size_t wlen;
- wxWCharBuffer buf(wxConvUTF8.cMB2WC(utf8, len == npos ? wxNO_LEN : len, &wlen));
+ wxWCharBuffer buf(wxMBConvUTF8().cMB2WC(utf8, len == npos ? wxNO_LEN : len, &wlen));
return wxString(buf.data(), wlen);
}
- const wxCharBuffer utf8_str() const { return wxConvUTF8.cWC2MB(wc_str()); }
+ const wxCharBuffer utf8_str() const
+ { return wxMBConvUTF8().cWC2MB(wc_str()); }
const wxCharBuffer ToUTF8() const { return utf8_str(); }
#endif
#if wxUSE_WCHAR_T
const wxWCharBuffer wc_str(const wxMBConv& conv = wxConvLibc) const;
#endif // wxUSE_WCHAR_T
-#ifdef __WXOSX__
- const wxCharBuffer fn_str() const { return wxConvFile.cWC2WX( wc_str( wxConvLocal ) ); }
-#else
- const wxChar* fn_str() const { return c_str(); }
-#endif
+ const wxCharBuffer fn_str() const { return wxConvFile.cWC2WX( wc_str( wxConvLibc ) ); }
#endif // Unicode/ANSI
// overloaded assignment
// from another wxString
wxString& operator=(const wxString& stringSrc)
- { m_impl = stringSrc.m_impl; return *this; }
+ { if (&stringSrc != this) m_impl = stringSrc.m_impl; return *this; }
wxString& operator=(const wxCStrData& cstr)
{ return *this = cstr.AsString(); }
// from a character
{ return compare(s); }
// same as Cmp() but not case-sensitive
int CmpNoCase(const wxString& s) const;
+
// test for the string equality, either considering case or not
// (if compareWithCase then the case matters)
bool IsSameAs(const wxString& str, bool compareWithCase = true) const
- { return (compareWithCase ? Cmp(str) : CmpNoCase(str)) == 0; }
+ {
+#if !wxUSE_UNICODE_UTF8
+ // in UTF-8 build, length() is O(n) and doing this would be _slower_
+ if ( length() != str.length() )
+ return false;
+#endif
+ 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; }
+
bool IsSameAs(const wxCStrData& str, bool compareWithCase = true) const
{ return IsSameAs(str.AsString(), compareWithCase); }
bool IsSameAs(const wxCharBuffer& str, bool compareWithCase = true) const
bool IsSameAs(const wxWCharBuffer& str, bool compareWithCase = true) const
{ return IsSameAs(str.data(), compareWithCase); }
// 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));
- }
+ bool IsSameAs(wxUniChar c, bool compareWithCase = true) const;
// FIXME-UTF8: remove these overloads
bool IsSameAs(wxUniCharRef c, bool compareWithCase = true) const
{ return IsSameAs(wxUniChar(c), compareWithCase); }
ConvertedBuffer<wchar_t> m_convertedToWChar;
#endif
- friend class WXDLLIMPEXP_BASE wxCStrData;
- friend class wxImplStringBuffer;
- friend class wxImplStringBufferLength;
+#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;
+
+ // copying is disallowed as it would result in more than one pointer into
+ // the same linked list
+ DECLARE_NO_COPY_CLASS(wxStringIteratorNodeHead)
+ };
+
+ wxStringIteratorNodeHead m_iterators;
+
+ friend class WXDLLIMPEXP_FWD_BASE wxStringIteratorNode;
+ friend class WXDLLIMPEXP_FWD_BASE wxUniCharRef;
+#endif // wxUSE_UNICODE_UTF8
+
+ friend class WXDLLIMPEXP_FWD_BASE wxCStrData;
+ friend class wxStringInternalBuffer;
+ friend class wxStringInternalBufferLength;
};
#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
// string iterator operators that satisfy STL Random Access Iterator
// requirements:
-inline wxString::iterator operator+(int n, wxString::iterator i)
- { return i + n; }
-inline wxString::iterator operator+(size_t n, wxString::iterator i)
+inline wxString::iterator operator+(ptrdiff_t n, wxString::iterator i)
{ return i + n; }
-inline wxString::const_iterator operator+(int n, wxString::const_iterator i)
+inline wxString::const_iterator operator+(ptrdiff_t n, wxString::const_iterator i)
{ return i + n; }
-inline wxString::const_iterator operator+(size_t n, wxString::const_iterator i)
+inline wxString::reverse_iterator operator+(ptrdiff_t n, wxString::reverse_iterator i)
{ return i + n; }
-inline wxString::reverse_iterator operator+(int n, wxString::reverse_iterator i)
- { return i + n; }
-inline wxString::reverse_iterator operator+(size_t n, wxString::reverse_iterator i)
- { return i + n; }
-inline wxString::const_reverse_iterator operator+(int n, wxString::const_reverse_iterator i)
- { return i + n; }
-inline wxString::const_reverse_iterator operator+(size_t n, wxString::const_reverse_iterator i)
+inline wxString::const_reverse_iterator operator+(ptrdiff_t n, wxString::const_reverse_iterator i)
{ return i + n; }
// notice that even though for many compilers the friend declarations above are
{ return wxUniChar(ch) + string; }
-#if wxUSE_STL_BASED_WXSTRING
- // return an empty wxString (not very useful with wxUSE_STL == 1)
- inline const wxString wxGetEmptyString() { return wxString(); }
-#else // !wxUSE_STL_BASED_WXSTRING
- // return an empty wxString (more efficient than wxString() here)
- inline const wxString& wxGetEmptyString()
- {
- return *(wxString *)&wxEmptyString;
- }
-#endif // wxUSE_STL_BASED_WXSTRING/!wxUSE_STL_BASED_WXSTRING
+#define wxGetEmptyString() wxString()
// ----------------------------------------------------------------------------
// wxStringBuffer: a tiny class allowing to get a writable pointer into string
#if !wxUSE_STL_BASED_WXSTRING
// string buffer for direct access to string data in their native
// representation:
-class wxImplStringBuffer
+class wxStringInternalBuffer
{
public:
typedef wxStringCharType CharType;
- wxImplStringBuffer(wxString& str, size_t lenWanted = 1024)
+ wxStringInternalBuffer(wxString& str, size_t lenWanted = 1024)
: m_str(str), m_buf(NULL)
{ m_buf = m_str.DoGetWriteBuf(lenWanted); }
- ~wxImplStringBuffer() { m_str.DoUngetWriteBuf(); }
+ ~wxStringInternalBuffer() { m_str.DoUngetWriteBuf(); }
operator wxStringCharType*() const { return m_buf; }
wxString& m_str;
wxStringCharType *m_buf;
- DECLARE_NO_COPY_CLASS(wxImplStringBuffer)
+ DECLARE_NO_COPY_CLASS(wxStringInternalBuffer)
};
-class wxImplStringBufferLength
+class wxStringInternalBufferLength
{
public:
typedef wxStringCharType CharType;
- wxImplStringBufferLength(wxString& str, size_t lenWanted = 1024)
+ wxStringInternalBufferLength(wxString& str, size_t lenWanted = 1024)
: m_str(str), m_buf(NULL), m_len(0), m_lenSet(false)
{
m_buf = m_str.DoGetWriteBuf(lenWanted);
wxASSERT(m_buf != NULL);
}
- ~wxImplStringBufferLength()
+ ~wxStringInternalBufferLength()
{
wxASSERT(m_lenSet);
m_str.DoUngetWriteBuf(m_len);
size_t m_len;
bool m_lenSet;
- DECLARE_NO_COPY_CLASS(wxImplStringBufferLength)
+ DECLARE_NO_COPY_CLASS(wxStringInternalBufferLength)
};
#endif // !wxUSE_STL_BASED_WXSTRING
template<typename T>
-class wxStringTypeBufferBase
+class WXDLLIMPEXP_BASE wxStringTypeBufferBase
{
public:
typedef T CharType;
};
template<typename T>
-class wxStringTypeBufferLengthBase
+class WXDLLIMPEXP_BASE wxStringTypeBufferLengthBase
{
public:
typedef T CharType;
: m_str(str), m_buf(lenWanted), m_len(0), m_lenSet(false)
{ }
- ~wxStringTypeBufferLengthBase()
- {
- wxASSERT(m_lenSet);
- m_str.assign(m_buf.data(), m_len);
- }
-
operator CharType*() { return m_buf.data(); }
void SetLength(size_t length) { m_len = length; m_lenSet = true; }
};
#if wxUSE_STL_BASED_WXSTRING
-class wxImplStringBuffer : public wxStringTypeBufferBase<wxStringCharType>
+
+WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( wxStringTypeBufferBase<wxStringCharType> )
+
+class wxStringInternalBuffer : public wxStringTypeBufferBase<wxStringCharType>
{
public:
- wxImplStringBuffer(wxString& str, size_t lenWanted = 1024)
+ wxStringInternalBuffer(wxString& str, size_t lenWanted = 1024)
: wxStringTypeBufferBase<wxStringCharType>(str, lenWanted) {}
- ~wxImplStringBuffer()
+ ~wxStringInternalBuffer()
{ m_str.m_impl.assign(m_buf.data()); }
- DECLARE_NO_COPY_CLASS(wxImplStringBuffer)
+ DECLARE_NO_COPY_CLASS(wxStringInternalBuffer)
};
-class wxImplStringBufferLength : public wxStringTypeBufferLengthBase<wxStringCharType>
+WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(
+ wxStringTypeBufferLengthBase<wxStringCharType> )
+
+class wxStringInternalBufferLength
+ : public wxStringTypeBufferLengthBase<wxStringCharType>
{
public:
- wxImplStringBufferLength(wxString& str, size_t lenWanted = 1024)
+ wxStringInternalBufferLength(wxString& str, size_t lenWanted = 1024)
: wxStringTypeBufferLengthBase<wxStringCharType>(str, lenWanted) {}
- ~wxImplStringBufferLength()
+ ~wxStringInternalBufferLength()
{
wxASSERT(m_lenSet);
m_str.m_impl.assign(m_buf.data(), m_len);
}
- DECLARE_NO_COPY_CLASS(wxImplStringBufferLength)
+ DECLARE_NO_COPY_CLASS(wxStringInternalBufferLength)
};
#endif // wxUSE_STL_BASED_WXSTRING
typedef wxStringTypeBuffer<wxChar> wxStringBuffer;
typedef wxStringTypeBufferLength<wxChar> wxStringBufferLength;
#else // if !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8
-typedef wxImplStringBuffer wxStringBuffer;
-typedef wxImplStringBufferLength wxStringBufferLength;
+typedef wxStringInternalBuffer wxStringBuffer;
+typedef wxStringInternalBufferLength wxStringBufferLength;
#endif // !wxUSE_STL_BASED_WXSTRING && !wxUSE_UNICODE_UTF8
+#if wxUSE_UNICODE_UTF8
+typedef wxStringInternalBuffer wxUTF8StringBuffer;
+typedef wxStringInternalBufferLength wxUTF8StringBufferLength;
+#elif wxUSE_UNICODE_WCHAR
+
+WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( wxStringTypeBufferBase<char> )
+
+class WXDLLIMPEXP_BASE wxUTF8StringBuffer : public wxStringTypeBufferBase<char>
+{
+public:
+ wxUTF8StringBuffer(wxString& str, size_t lenWanted = 1024)
+ : wxStringTypeBufferBase<char>(str, lenWanted) {}
+ ~wxUTF8StringBuffer();
+
+ DECLARE_NO_COPY_CLASS(wxUTF8StringBuffer)
+};
+
+WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( wxStringTypeBufferLengthBase<char> )
+
+class WXDLLIMPEXP_BASE wxUTF8StringBufferLength
+ : public wxStringTypeBufferLengthBase<char>
+{
+public:
+ wxUTF8StringBufferLength(wxString& str, size_t lenWanted = 1024)
+ : wxStringTypeBufferLengthBase<char>(str, lenWanted) {}
+ ~wxUTF8StringBufferLength();
+
+ DECLARE_NO_COPY_CLASS(wxUTF8StringBufferLength)
+};
+#endif // wxUSE_UNICODE_UTF8/wxUSE_UNICODE_WCHAR
+
+
// ---------------------------------------------------------------------------
// wxString comparison functions: operator versions are always case sensitive
// ---------------------------------------------------------------------------
#undef wxCMP_WXCHAR_STRING
-// note that there is an optimization in operator==() and !=(): we (quickly)
-// checks the strings length first, before comparing their data
inline bool operator==(const wxString& s1, const wxString& s2)
- { return (s1.Len() == s2.Len()) && (s1.Cmp(s2) == 0); }
+ { return s1.IsSameAs(s2); }
inline bool operator!=(const wxString& s1, const wxString& s2)
- { return (s1.Len() != s2.Len()) || (s1.Cmp(s2) != 0); }
+ { return !s1.IsSameAs(s2); }
inline bool operator< (const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) < 0; }
inline bool operator> (const wxString& s1, const wxString& s2)
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); }
WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxWCharBuffer&);
#endif
-#endif // wxSTD_STRING_COMPATIBILITY
+#if wxUSE_UNICODE && defined(HAVE_WOSTREAM)
+
+WXDLLIMPEXP_BASE wxSTD wostream& operator<<(wxSTD wostream&, const wxString&);
+WXDLLIMPEXP_BASE wxSTD wostream& operator<<(wxSTD wostream&, const wxCStrData&);
+WXDLLIMPEXP_BASE wxSTD wostream& operator<<(wxSTD wostream&, const wxWCharBuffer&);
+
+#endif // wxUSE_UNICODE && defined(HAVE_WOSTREAM)
+
+#endif // wxUSE_STD_IOSTREAM
// ---------------------------------------------------------------------------
// wxCStrData implementation
inline wxCStrData::~wxCStrData()
{
if ( m_owned )
- delete m_str;
+ delete wx_const_cast(wxString*, m_str); // cast to silence warnings
}
// simple cases for AsChar() and AsWChar(), the complicated ones are
}
#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
+// ----------------------------------------------------------------------------
+
+void wxStringIteratorNode::DoSet(const wxString *str,
+ wxStringImpl::const_iterator *citer,
+ wxStringImpl::iterator *iter)
+{
+ m_prev = NULL;
+ m_iter = iter;
+ m_citer = citer;
+ m_str = str;
+ if ( str )
+ {
+ m_next = str->m_iterators.ptr;
+ wx_const_cast(wxString*, m_str)->m_iterators.ptr = this;
+ if ( m_next )
+ m_next->m_prev = this;
+ }
+ else
+ {
+ m_next = NULL;
+ }
+}
+
+void wxStringIteratorNode::clear()
+{
+ if ( m_next )
+ m_next->m_prev = m_prev;
+ if ( m_prev )
+ m_prev->m_next = m_next;
+ else if ( m_str ) // first in the list
+ wx_const_cast(wxString*, m_str)->m_iterators.ptr = m_next;
+
+ m_next = m_prev = NULL;
+ m_citer = NULL;
+ m_iter = NULL;
+ m_str = NULL;
+}
+#endif // wxUSE_UNICODE_UTF8
+
#if WXWIN_COMPATIBILITY_2_8
- // lot of code out there doesn't explicitly include wx/wxchar.h, but uses
+ // lot of code out there doesn't explicitly include wx/crt.h, but uses
// CRT wrappers that are now declared in wx/wxcrt.h and wx/wxcrtvararg.h,
// so let's include this header now that wxString is defined and it's safe
// to do it:
- #include "wx/wxchar.h"
+ #include "wx/crt.h"
#endif
#endif // _WX_WXSTRING_H_
projects / wxWidgets.git / blobdiff