#include "wx/defs.h" // everybody should include this
+#ifndef __WXPALMOS5__
#if defined(__WXMAC__) || defined(__VISAGECPP__)
#include <ctype.h>
#endif
#ifdef HAVE_STRCASECMP_IN_STRINGS_H
#include <strings.h> // for strcasecmp()
#endif // HAVE_STRCASECMP_IN_STRINGS_H
-
-#ifdef __WXPALMOS__
- #include <StringMgr.h>
-#endif
+#endif // ! __WXPALMOS5__
#include "wx/wxcrtbase.h" // for wxChar, wxStrlen() etc.
#include "wx/strvararg.h"
#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
#define WXWIN_COMPATIBILITY_STRING_PTR_AS_ITER 1
#endif
+namespace wxPrivate
+{
+ template <typename T> struct wxStringAsBufHelper;
+}
+
// ---------------------------------------------------------------------------
// macros
// ---------------------------------------------------------------------------
#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
// ----------------------------------------------------------------------------
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
- {
- 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
+ // 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 <= 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, ...);
#if wxUSE_UNICODE_UTF8
// see the comment near wxString::iterator for why we need this
-struct WXDLLIMPEXP_BASE wxStringIteratorNode
+class WXDLLIMPEXP_BASE wxStringIteratorNode
{
- inline wxStringIteratorNode(const wxString *str,
- wxStringImpl::const_iterator *citer);
- inline wxStringIteratorNode(const wxString *str,
- wxStringImpl::iterator *iter);
- inline ~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
size_t len;
SubstrBufFromType(const T& data_, size_t len_)
- : data(data_), len(len_) {}
+ : data(data_), len(len_)
+ {
+ wxASSERT_MSG( len != npos, "must have real length" );
+ }
};
#if wxUSE_UNICODE_UTF8
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
// NB: In UTF-8 build, (non-const) iterator needs to keep reference
// string and traversing it in wxUniCharRef::operator=(). Head of the
// list is stored in wxString. (FIXME-UTF8)
- class iterator
+ class WXDLLIMPEXP_BASE iterator
{
WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef);
public:
+ 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;
+ }
reference operator*()
{ return wxUniCharRef::CreateForString(m_node, m_cur); }
- iterator operator+(int n) const
+ iterator operator+(ptrdiff_t n) const
{ return iterator(str(), wxStringOperations::AddToIter(m_cur, n)); }
- iterator operator+(size_t n) const
- { return iterator(str(), wxStringOperations::AddToIter(m_cur, (int)n)); }
- iterator operator-(int n) const
+ iterator operator-(ptrdiff_t n) const
{ return iterator(str(), wxStringOperations::AddToIter(m_cur, -n)); }
- iterator operator-(size_t n) const
- { return iterator(str(), wxStringOperations::AddToIter(m_cur, -(int)n)); }
private:
iterator(wxString *str, underlying_iterator ptr)
friend class const_iterator;
};
- 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+(int n) const
+ const_iterator operator+(ptrdiff_t 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
+ const_iterator operator-(ptrdiff_t 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:
#else // !wxUSE_UNICODE_UTF8
- class iterator
+ class WXDLLIMPEXP_BASE iterator
{
WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef);
public:
+ iterator() {}
iterator(const iterator& i) : m_cur(i.m_cur) {}
reference operator*()
{ return wxUniCharRef::CreateForString(m_cur); }
- 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)); }
- 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;
};
- 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) {}
const_iterator(const iterator& i) : m_cur(i.m_cur) {}
reference operator*() const
{ return wxStringOperations::DecodeChar(m_cur); }
- 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)); }
- 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:
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
- { 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) 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
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 wxWCharBuffer& buf)
{ assign(buf.data()); } // FIXME-UTF8: fix for embedded NUL and buffer length
+ // NB: this version uses m_impl.c_str() to force making a copy of the
+ // string, so that "wxString(str.c_str())" idiom for passing strings
+ // between threads works
wxString(const wxCStrData& cstr)
- : m_impl(cstr.AsString().m_impl) { }
+ : m_impl(cstr.AsString().m_impl.c_str()) { }
// 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 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
#endif // wxUSE_STL
+ wxString Clone() const
+ {
+ // make a deep copy of the string, i.e. the returned string will have
+ // ref count = 1 with refcounted implementation
+ return wxString::FromImpl(wxStringImpl(m_impl.c_str(), m_impl.length()));
+ }
+
// first valid index position
const_iterator begin() const { return const_iterator(this, m_impl.begin()); }
iterator begin() { return iterator(this, m_impl.begin()); }
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);
}
// 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(); }
{ return mb_str(conv); }
wxWritableWCharBuffer wchar_str() const { return wc_str(); }
+ // conversion to the buffer of the given type T (= char or wchar_t) and
+ // also optionally return the buffer length
+ //
+ // this is mostly/only useful for the template functions
+ //
+ // FIXME-VC6: the second argument only exists for VC6 which doesn't support
+ // explicit template function selection, do not use it unless
+ // you must support VC6!
+ template <typename T>
+ wxCharTypeBuffer<T> tchar_str(size_t *len = NULL,
+ T * WXUNUSED(dummy) = NULL) const
+ {
+#if wxUSE_UNICODE
+ // we need a helper dispatcher depending on type
+ return wxPrivate::wxStringAsBufHelper<T>::Get(*this, len);
+#else // ANSI
+ // T can only be char in ANSI build
+ if ( len )
+ *len = length();
+
+ return wxCharTypeBuffer<T>::CreateNonOwned(wx_str());
+#endif // Unicode build kind
+ }
+
// conversion to/from plain (i.e. 7 bit) ASCII: this is useful for
// converting numbers or strings which are certain not to contain special
// chars (typically system functions, X atoms, environment variables etc.)
// 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* utf8_str() const { return wx_str(); }
const char* ToUTF8() const { return wx_str(); }
+
+ // this function exists in UTF-8 build only and returns the length of the
+ // internal UTF-8 representation
+ size_t utf8_length() const { return m_impl.length(); }
#elif wxUSE_UNICODE_WCHAR
static wxString FromUTF8(const char *utf8)
{ return wxString(utf8, wxMBConvUTF8()); }
#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
wxString& operator=(wxUniChar ch)
- { m_impl = wxStringOperations::EncodeChar(ch); return *this; }
+ {
+#if wxUSE_UNICODE_UTF8
+ if ( !ch.IsAscii() )
+ m_impl = wxStringOperations::EncodeChar(ch);
+ else
+#endif
+ m_impl = (wxStringCharType)ch;
+ return *this;
+ }
wxString& operator=(wxUniCharRef ch)
{ return operator=((wxUniChar)ch); }
wxString& operator=(char ch)
{ append(psz); return *this; }
wxString& Append(const wxWCharBuffer& psz)
{ append(psz); return *this; }
+ wxString& Append(const char* psz, size_t nLen)
+ { append(psz, nLen); return *this; }
+ wxString& Append(const wchar_t* pwz, size_t nLen)
+ { append(pwz, nLen); return *this; }
+ wxString& Append(const wxCStrData& psz, size_t nLen)
+ { append(psz, nLen); return *this; }
+ wxString& Append(const wxCharBuffer& psz, size_t nLen)
+ { append(psz, nLen); return *this; }
+ wxString& Append(const wxWCharBuffer& psz, size_t nLen)
+ { append(psz, nLen); return *this; }
// append count copies of given character
wxString& Append(wxUniChar ch, size_t count = 1u)
{ append(count, ch); return *this; }
{ append(count, ch); return *this; }
wxString& Append(wchar_t ch, size_t count = 1u)
{ append(count, ch); return *this; }
- wxString& Append(const char* psz, size_t nLen)
- { append(psz, nLen); return *this; }
- wxString& Append(const wchar_t* pwz, size_t nLen)
- { append(pwz, nLen); return *this; }
// prepend a string, return the string itself
wxString& Prepend(const wxString& str)
{ 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
// raw access to string memory
// ensure that string has space for at least nLen characters
// only works if the data of this string is not shared
- bool Alloc(size_t nLen) { reserve(nLen); /*return capacity() >= nLen;*/ return true; }
+ bool Alloc(size_t nLen) { reserve(nLen); return capacity() >= nLen; }
// minimize the string's memory
// only works if the data of this string is not shared
bool Shrink();
{ return append(str.data()); }
wxString& append(const wxWCharBuffer& str)
{ return append(str.data()); }
+ wxString& append(const wxCStrData& str, size_t n)
+ { return append(str.AsString(), 0, n); }
+ wxString& append(const wxCharBuffer& str, size_t n)
+ { return append(str.data(), n); }
+ wxString& append(const wxWCharBuffer& str, size_t n)
+ { return append(str.data(), n); }
// append n copies of ch
wxString& append(size_t n, wxUniChar ch)
m_impl.append(n, (wxStringCharType)ch);
return *this;
}
+ wxString& append(size_t n, wxUniCharRef ch)
+ { return append(n, wxUniChar(ch)); }
+ wxString& append(size_t n, char ch)
+ { return append(n, wxUniChar(ch)); }
+ wxString& append(size_t n, unsigned char ch)
+ { return append(n, wxUniChar(ch)); }
+ wxString& append(size_t n, wchar_t ch)
+ { return append(n, wxUniChar(ch)); }
+
// append from first to last
wxString& append(const_iterator first, const_iterator last)
{ m_impl.append(first.impl(), last.impl()); return *this; }
// find the first occurence of character ch after nStart
size_t find(wxUniChar ch, size_t nStart = 0) const
{
- return PosFromImpl(m_impl.find(wxStringOperations::EncodeChar(ch),
- PosToImpl(nStart)));
+#if wxUSE_UNICODE_UTF8
+ if ( !ch.IsAscii() )
+ return PosFromImpl(m_impl.find(wxStringOperations::EncodeChar(ch),
+ PosToImpl(nStart)));
+ else
+#endif
+ return PosFromImpl(m_impl.find((wxStringCharType)ch,
+ PosToImpl(nStart)));
+
}
size_t find(wxUniCharRef ch, size_t nStart = 0) const
{ return find(wxUniChar(ch), nStart); }
// as find, but from the end
size_t rfind(wxUniChar ch, size_t nStart = npos) const
{
- return PosFromImpl(m_impl.rfind(wxStringOperations::EncodeChar(ch),
- PosToImpl(nStart)));
+#if wxUSE_UNICODE_UTF8
+ if ( !ch.IsAscii() )
+ return PosFromImpl(m_impl.rfind(wxStringOperations::EncodeChar(ch),
+ PosToImpl(nStart)));
+ else
+#endif
+ return PosFromImpl(m_impl.rfind((wxStringCharType)ch,
+ PosToImpl(nStart)));
}
size_t rfind(wxUniCharRef ch, size_t nStart = npos) const
{ return rfind(wxUniChar(ch), nStart); }
{ return operator+=(s.data()); }
// string += char
wxString& operator+=(wxUniChar ch)
- { m_impl += wxStringOperations::EncodeChar(ch); return *this; }
+ {
+#if wxUSE_UNICODE_UTF8
+ if ( !ch.IsAscii() )
+ m_impl += wxStringOperations::EncodeChar(ch);
+ else
+#endif
+ m_impl += (wxStringCharType)ch;
+ return *this;
+ }
wxString& operator+=(wxUniCharRef ch) { return *this += wxUniChar(ch); }
wxString& operator+=(int ch) { return *this += wxUniChar(ch); }
wxString& operator+=(char ch) { return *this += wxUniChar(ch); }
{
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_BASE wxStringIteratorNode;
- friend class WXDLLIMPEXP_BASE wxUniCharRef;
+ friend class WXDLLIMPEXP_FWD_BASE wxStringIteratorNode;
+ friend class WXDLLIMPEXP_FWD_BASE wxUniCharRef;
#endif // wxUSE_UNICODE_UTF8
- friend class WXDLLIMPEXP_BASE wxCStrData;
- friend class wxImplStringBuffer;
- friend class wxImplStringBufferLength;
+ 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)
- { return i + n; }
-inline wxString::const_iterator operator+(int n, wxString::const_iterator i)
- { return i + n; }
-inline wxString::const_iterator operator+(size_t n, wxString::const_iterator i)
- { return i + n; }
-inline wxString::reverse_iterator operator+(int n, wxString::reverse_iterator i)
+inline wxString::iterator operator+(ptrdiff_t n, wxString::iterator i)
{ return i + n; }
-inline wxString::reverse_iterator operator+(size_t n, wxString::reverse_iterator i)
+inline wxString::const_iterator operator+(ptrdiff_t n, wxString::const_iterator i)
{ return i + n; }
-inline wxString::const_reverse_iterator operator+(int n, wxString::const_reverse_iterator i)
+inline wxString::reverse_iterator operator+(ptrdiff_t n, wxString::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()
+#define wxGetEmptyString() wxString()
+
+// ----------------------------------------------------------------------------
+// helper functions which couldn't be defined inline
+// ----------------------------------------------------------------------------
+
+namespace wxPrivate
+{
+
+#if wxUSE_UNICODE_WCHAR
+
+template <>
+struct wxStringAsBufHelper<char>
+{
+ static wxCharBuffer Get(const wxString& s, size_t *len)
+ {
+ wxCharBuffer buf(s.mb_str());
+ if ( len )
+ *len = buf ? strlen(buf) : 0;
+ return buf;
+ }
+};
+
+template <>
+struct wxStringAsBufHelper<wchar_t>
+{
+ static wxWCharBuffer Get(const wxString& s, size_t *len)
+ {
+ if ( len )
+ *len = s.length();
+ return wxWCharBuffer::CreateNonOwned(s.wx_str());
+ }
+};
+
+#elif wxUSE_UNICODE_UTF8
+
+template <>
+struct wxStringAsBufHelper<char>
+{
+ static wxCharBuffer Get(const wxString& s, size_t *len)
+ {
+ if ( len )
+ *len = s.utf8_length();
+ return wxCharBuffer::CreateNonOwned(s.wx_str());
+ }
+};
+
+template <>
+struct wxStringAsBufHelper<wchar_t>
+{
+ static wxWCharBuffer Get(const wxString& s, size_t *len)
{
- return *(wxString *)&wxEmptyString;
+ wxWCharBuffer wbuf(s.wc_str());
+ if ( len )
+ *len = wxWcslen(wbuf);
+ return wbuf;
}
-#endif // wxUSE_STL_BASED_WXSTRING/!wxUSE_STL_BASED_WXSTRING
+};
+
+#endif // Unicode build kind
+
+} // namespace wxPrivate
// ----------------------------------------------------------------------------
// 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;
wxStringTypeBufferBase(wxString& str, size_t lenWanted = 1024)
: m_str(str), m_buf(lenWanted)
- { }
-
+ {
+ // for compatibility with old wxStringBuffer which provided direct
+ // access to wxString internal buffer, initialize ourselves with the
+ // string initial contents
+
+ // FIXME-VC6: remove the ugly (CharType *)NULL and use normal
+ // tchar_str<CharType>
+ size_t len;
+ const wxCharTypeBuffer<CharType> buf(str.tchar_str(&len, (CharType *)NULL));
+ if ( buf )
+ {
+ if ( len > lenWanted )
+ {
+ // in this case there is not enough space for terminating NUL,
+ // ensure that we still put it there
+ m_buf.data()[lenWanted] = 0;
+ len = lenWanted - 1;
+ }
+
+ memcpy(m_buf.data(), buf, (len + 1)*sizeof(CharType));
+ }
+ //else: conversion failed, this can happen when trying to get Unicode
+ // string contents into a char string
+ }
operator CharType*() { return m_buf.data(); }
};
template<typename T>
-class wxStringTypeBufferLengthBase
+class WXDLLIMPEXP_BASE wxStringTypeBufferLengthBase
+ : public wxStringTypeBufferBase<T>
{
public:
- typedef T CharType;
-
wxStringTypeBufferLengthBase(wxString& str, size_t lenWanted = 1024)
- : m_str(str), m_buf(lenWanted), m_len(0), m_lenSet(false)
+ : wxStringTypeBufferBase<T>(str, lenWanted),
+ m_len(0),
+ m_lenSet(false)
{ }
~wxStringTypeBufferLengthBase()
{
- wxASSERT(m_lenSet);
- m_str.assign(m_buf.data(), m_len);
+ wxASSERT_MSG( this->m_lenSet, "forgot to call SetLength()" );
}
- operator CharType*() { return m_buf.data(); }
void SetLength(size_t length) { m_len = length; m_lenSet = true; }
protected:
- wxString& m_str;
- wxCharTypeBuffer<CharType> m_buf;
- size_t m_len;
- bool m_lenSet;
+ size_t m_len;
+ bool m_lenSet;
};
template<typename T>
{
public:
wxStringTypeBuffer(wxString& str, size_t lenWanted = 1024)
- : wxStringTypeBufferBase<T>(str, lenWanted) {}
+ : wxStringTypeBufferBase<T>(str, lenWanted)
+ { }
+
~wxStringTypeBuffer()
{
this->m_str.assign(this->m_buf.data());
{
public:
wxStringTypeBufferLength(wxString& str, size_t lenWanted = 1024)
- : wxStringTypeBufferLengthBase<T>(str, lenWanted) {}
+ : wxStringTypeBufferLengthBase<T>(str, lenWanted)
+ { }
~wxStringTypeBufferLength()
{
- wxASSERT(this->m_lenSet);
this->m_str.assign(this->m_buf.data(), this->m_len);
}
};
#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)
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
// 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)
+void wxStringIteratorNode::DoSet(const wxString *str,
+ wxStringImpl::const_iterator *citer,
+ wxStringImpl::iterator *iter)
{
- wx_const_cast(wxString*, m_str)->m_iterators.ptr = this;
- if ( m_next)
- m_next->m_prev = this;
+ 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;
+ }
}
-wxStringIteratorNode::~wxStringIteratorNode()
+void wxStringIteratorNode::clear()
{
if ( m_next )
m_next->m_prev = m_prev;
if ( m_prev )
m_prev->m_next = m_next;
- else // first in the list
+ 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
projects / wxWidgets.git / blobdiff