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76046d7390
wxWidgets/include/wx/string.h
Václav Slavík 76046d7390 compilation fix after STL fixes if 2.8 compatibility is enabled 
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44967 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2007-03-20 08:14:06 +00:00

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///////////////////////////////////////////////////////////////////////////////
// Name: wx/string.h
// Purpose: wxString and wxArrayString classes
// Author: Vadim Zeitlin
// Modified by:
// Created: 29/01/98
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
/*
Efficient string class [more or less] compatible with MFC CString,
wxWidgets version 1 wxString and std::string and some handy functions
missing from string.h.
*/
#ifndef _WX_WXSTRINGH__
#define _WX_WXSTRINGH__
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/defs.h" // everybody should include this
#if defined(__WXMAC__) || defined(__VISAGECPP__)
#include <ctype.h>
#endif
#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
// problem in VACPP V4 with including stdlib.h multiple times
// strconv includes it anyway
# include <stdio.h>
# include <string.h>
# include <stdarg.h>
# include <limits.h>
#else
# include <string.h>
# include <stdio.h>
# include <stdarg.h>
# include <limits.h>
# include <stdlib.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
#include "wx/wxchar.h" // for wxChar, wxStrlen() etc.
#include "wx/unichar.h"
#include "wx/strvararg.h"
#include "wx/buffer.h" // for wxCharBuffer
#include "wx/strconv.h" // for wxConvertXXX() macros and wxMBConv classes
class WXDLLIMPEXP_BASE wxString;
// ---------------------------------------------------------------------------
// macros
// ---------------------------------------------------------------------------
// casts [unfortunately!] needed to call some broken functions which require
// "char *" instead of "const char *"
#define WXSTRINGCAST (wxChar *)(const wxChar *)
#define wxCSTRINGCAST (wxChar *)(const wxChar *)
#define wxMBSTRINGCAST (char *)(const char *)
#define wxWCSTRINGCAST (wchar_t *)(const wchar_t *)
// implementation only
#define wxASSERT_VALID_INDEX(i) \
wxASSERT_MSG( (size_t)(i) <= length(), _T("invalid index in wxString") )
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
#if WXWIN_COMPATIBILITY_2_6
// deprecated in favour of wxString::npos, don't use in new code
//
// maximum possible length for a string means "take all string" everywhere
#define wxSTRING_MAXLEN wxStringBase::npos
#endif // WXWIN_COMPATIBILITY_2_6
// ----------------------------------------------------------------------------
// global data
// ----------------------------------------------------------------------------
// global pointer to empty string
extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxEmptyString;
// ---------------------------------------------------------------------------
// global functions complementing standard C string library replacements for
// strlen() and portable strcasecmp()
//---------------------------------------------------------------------------
#if WXWIN_COMPATIBILITY_2_8
// Use wxXXX() functions from wxcrt.h instead! These functions are for
// backwards compatibility only.
// checks whether the passed in pointer is NULL and if the string is empty
wxDEPRECATED( inline bool IsEmpty(const char *p) );
inline bool IsEmpty(const char *p) { return (!p || !*p); }
// safe version of strlen() (returns 0 if passed NULL pointer)
wxDEPRECATED( inline size_t Strlen(const char *psz) );
inline size_t Strlen(const char *psz)
{ return psz ? strlen(psz) : 0; }
// portable strcasecmp/_stricmp
wxDEPRECATED( inline int Stricmp(const char *psz1, const char *psz2) );
inline int Stricmp(const char *psz1, const char *psz2)
{
#if defined(__VISUALC__) && defined(__WXWINCE__)
register char c1, c2;
do {
c1 = tolower(*psz1++);
c2 = tolower(*psz2++);
} while ( c1 && (c1 == c2) );
return c1 - c2;
#elif defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) )
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__)
return stricmp(psz1, psz2);
#elif defined(__DJGPP__)
return stricmp(psz1, psz2);
#elif defined(__EMX__)
return stricmp(psz1, psz2);
#elif defined(__WXPM__)
return stricmp(psz1, psz2);
#elif defined(__WXPALMOS__) || \
defined(HAVE_STRCASECMP_IN_STRING_H) || \
defined(HAVE_STRCASECMP_IN_STRINGS_H) || \
defined(__GNUWIN32__)
return strcasecmp(psz1, psz2);
#elif defined(__MWERKS__) && !defined(__INTEL__)
register char c1, c2;
do {
c1 = tolower(*psz1++);
c2 = tolower(*psz2++);
} while ( c1 && (c1 == c2) );
return c1 - c2;
#else
// almost all compilers/libraries provide this function (unfortunately under
// different names), that's why we don't implement our own which will surely
// be more efficient than this code (uncomment to use):
/*
register char c1, c2;
do {
c1 = tolower(*psz1++);
c2 = tolower(*psz2++);
} while ( c1 && (c1 == c2) );
return c1 - c2;
*/
#error "Please define string case-insensitive compare for your OS/compiler"
#endif // OS/compiler
}
#endif // WXWIN_COMPATIBILITY_2_8
// ----------------------------------------------------------------------------
// deal with STL/non-STL/non-STL-but-wxUSE_STD_STRING
// ----------------------------------------------------------------------------
// FIXME-UTF8: using std::string as wxString base class is currently broken,
// so we use the standard wxString with std::string conversion
// enabled, this is API-compatible.
#define wxUSE_STL_BASED_WXSTRING 0
#if wxUSE_STL
#undef wxUSE_STD_STRING
#define wxUSE_STD_STRING 1
#endif
//#define wxUSE_STL_BASED_WXSTRING wxUSE_STL
// in both cases we need to define wxStdString
#if wxUSE_STL_BASED_WXSTRING || wxUSE_STD_STRING
#include "wx/beforestd.h"
#include <string>
#include "wx/afterstd.h"
#if wxUSE_UNICODE
#ifdef HAVE_STD_WSTRING
typedef std::wstring wxStdString;
#else
typedef std::basic_string<wxChar> wxStdString;
#endif
#else
typedef std::string wxStdString;
#endif
#endif // need <string>
#if wxUSE_STL_BASED_WXSTRING
// we don't need an extra ctor from std::string when copy ctor already does
// the work
#undef wxUSE_STD_STRING
#define wxUSE_STD_STRING 0
#if (defined(__GNUG__) && (__GNUG__ < 3)) || \
(defined(_MSC_VER) && (_MSC_VER <= 1200))
#define wxSTRING_BASE_HASNT_CLEAR
#endif
typedef wxStdString wxStringBase;
#else // if !wxUSE_STL_BASED_WXSTRING
#if !defined(HAVE_STD_STRING_COMPARE) && \
(!defined(__WX_SETUP_H__) || wxUSE_STL_BASED_WXSTRING == 0)
#define HAVE_STD_STRING_COMPARE
#endif
// ---------------------------------------------------------------------------
// string data prepended with some housekeeping info (used by wxString class),
// is never used directly (but had to be put here to allow inlining)
// ---------------------------------------------------------------------------
struct WXDLLIMPEXP_BASE wxStringData
{
int nRefs; // reference count
size_t nDataLength, // actual string length
nAllocLength; // allocated memory size
// mimics declaration 'wxChar data[nAllocLength]'
wxChar* data() const { return (wxChar*)(this + 1); }
// empty string has a special ref count so it's never deleted
bool IsEmpty() const { return (nRefs == -1); }
bool IsShared() const { return (nRefs > 1); }
// lock/unlock
void Lock() { if ( !IsEmpty() ) nRefs++; }
// VC++ will refuse to inline Unlock but profiling shows that it is wrong
#if defined(__VISUALC__) && (__VISUALC__ >= 1200)
__forceinline
#endif
// VC++ free must take place in same DLL as allocation when using non dll
// run-time library (e.g. Multithreaded instead of Multithreaded DLL)
#if defined(__VISUALC__) && defined(_MT) && !defined(_DLL)
void Unlock() { if ( !IsEmpty() && --nRefs == 0) Free(); }
// we must not inline deallocation since allocation is not inlined
void Free();
#else
void Unlock() { if ( !IsEmpty() && --nRefs == 0) free(this); }
#endif
// if we had taken control over string memory (GetWriteBuf), it's
// intentionally put in invalid state
void Validate(bool b) { nRefs = (b ? 1 : 0); }
bool IsValid() const { return (nRefs != 0); }
};
class WXDLLIMPEXP_BASE wxStringBase
{
public :
// an 'invalid' value for string index, moved to this place due to a CW bug
static const size_t npos;
protected:
// points to data preceded by wxStringData structure with ref count info
wxChar *m_pchData;
// accessor to string data
wxStringData* GetStringData() const { return (wxStringData*)m_pchData - 1; }
// string (re)initialization functions
// initializes the string to the empty value (must be called only from
// ctors, use Reinit() otherwise)
void Init() { m_pchData = (wxChar *)wxEmptyString; }
// initializes the string with (a part of) C-string
void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = npos);
// as Init, but also frees old data
void Reinit() { GetStringData()->Unlock(); Init(); }
// memory allocation
// allocates memory for string of length nLen
bool AllocBuffer(size_t nLen);
// copies data to another string
bool AllocCopy(wxString&, int, int) const;
// effectively copies data to string
bool AssignCopy(size_t, const wxChar *);
// append a (sub)string
bool ConcatSelf(size_t nLen, const wxChar *src, size_t nMaxLen);
bool ConcatSelf(size_t nLen, const wxChar *src)
{ return ConcatSelf(nLen, src, nLen); }
// functions called before writing to the string: they copy it if there
// are other references to our data (should be the only owner when writing)
bool CopyBeforeWrite();
bool AllocBeforeWrite(size_t);
// compatibility with wxString
bool Alloc(size_t nLen);
public:
// standard types
typedef wxUniChar value_type;
typedef wxUniChar char_type;
typedef wxUniCharRef reference;
typedef wxChar* pointer;
typedef const wxChar* const_pointer;
typedef size_t size_type;
typedef wxUniChar const_reference;
#define WX_STR_ITERATOR_IMPL(iterator_name, pointer_type, \
reference_type, reference_ctor) \
public: \
typedef wxUniChar value_type; \
typedef reference_type reference; \
typedef pointer_type pointer; \
\
iterator_name(const iterator_name& i) : m_cur(i.m_cur) {} \
\
reference operator*() const { return reference_ctor; } \
\
iterator_name& operator++() \
{ ++m_cur; return *this; } \
iterator_name operator++(int) \
{ iterator_name tmp = *this; ++m_cur; return tmp; } \
iterator_name& operator--() \
{ --m_cur; return *this; } \
iterator_name operator--(int) \
{ iterator_name tmp = *this; --m_cur; return tmp; } \
\
iterator_name operator+(int n) const \
{ return iterator_name(m_cur + n); } \
iterator_name operator+(size_t n) const \
{ return iterator_name(m_cur + n); } \
iterator_name operator-(int n) const \
{ return iterator_name(m_cur - n); } \
iterator_name operator-(size_t n) const \
{ return iterator_name(m_cur - n); } \
iterator_name operator+=(int n) \
{ m_cur += n; return *this; } \
iterator_name operator+=(size_t n) \
{ m_cur += n; return *this; } \
iterator_name operator-=(int n) \
{ m_cur -= n; return *this; } \
iterator_name operator-=(size_t n) \
{ m_cur -= n; return *this; } \
\
unsigned operator-(const iterator_name& i) const \
{ return m_cur - i.m_cur; } \
\
bool operator==(const iterator_name&i) const \
{ return m_cur == i.m_cur; } \
bool operator!=(const iterator_name& i) const \
{ return m_cur != i.m_cur; } \
\
bool operator<(const iterator_name& i) const \
{ return m_cur < i.m_cur; } \
bool operator>(const iterator_name& i) const \
{ return m_cur > i.m_cur; } \
bool operator<=(const iterator_name& i) const \
{ return m_cur <= i.m_cur; } \
bool operator>=(const iterator_name& i) const \
{ return m_cur >= i.m_cur; } \
\
protected: \
/* for internal wxString use only: */ \
iterator_name(pointer ptr) : m_cur(ptr) {} \
operator pointer() const { return m_cur; } \
\
friend class WXDLLIMPEXP_BASE wxString; \
friend class WXDLLIMPEXP_BASE wxStringBase; \
friend class WXDLLIMPEXP_BASE wxCStrData; \
\
protected: \
pointer m_cur;
class const_iterator;
class iterator
{
WX_STR_ITERATOR_IMPL(iterator, wxChar*, wxUniCharRef,
wxUniCharRef::CreateForString(m_cur))
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,
wxUniChar(*m_cur))
public:
const_iterator(const iterator& i) : m_cur(i.m_cur) {}
};
#undef WX_STR_ITERATOR
template <typename T>
class reverse_iterator_impl
{
public:
typedef T iterator_type;
typedef typename T::value_type value_type;
typedef typename T::reference reference;
typedef typename T::pointer *pointer;
reverse_iterator_impl(iterator_type i) : m_cur(i) {}
reverse_iterator_impl(const reverse_iterator_impl& ri)
: m_cur(ri.m_cur) {}
iterator_type base() const { return m_cur; }
reference operator*() const { return *(m_cur-1); }
reverse_iterator_impl& operator++()
{ --m_cur; return *this; }
reverse_iterator_impl operator++(int)
{ reverse_iterator_impl tmp = *this; --m_cur; return tmp; }
reverse_iterator_impl& operator--()
{ ++m_cur; return *this; }
reverse_iterator_impl operator--(int)
{ reverse_iterator_impl tmp = *this; ++m_cur; return tmp; }
bool operator==(const reverse_iterator_impl& ri) const
{ return m_cur == ri.m_cur; }
bool operator!=(const reverse_iterator_impl& ri) const
{ return !(*this == ri); }
private:
iterator_type m_cur;
};
typedef reverse_iterator_impl<iterator> reverse_iterator;
typedef reverse_iterator_impl<const_iterator> const_reverse_iterator;
// constructors and destructor
// ctor for an empty string
wxStringBase() { Init(); }
// copy ctor
wxStringBase(const wxStringBase& stringSrc)
{
wxASSERT_MSG( stringSrc.GetStringData()->IsValid(),
_T("did you forget to call UngetWriteBuf()?") );
if ( stringSrc.empty() ) {
// nothing to do for an empty string
Init();
}
else {
m_pchData = stringSrc.m_pchData; // share same data
GetStringData()->Lock(); // => one more copy
}
}
// string containing nRepeat copies of ch
wxStringBase(size_type nRepeat, wxUniChar ch);
// ctor takes first nLength characters from C string
// (default value of npos means take all the string)
wxStringBase(const wxChar *psz)
{ InitWith(psz, 0, npos); }
wxStringBase(const wxChar *psz, size_t nLength)
{ InitWith(psz, 0, nLength); }
wxStringBase(const wxChar *psz,
const wxMBConv& WXUNUSED(conv),
size_t nLength = npos)
{ InitWith(psz, 0, nLength); }
// take nLen chars starting at nPos
wxStringBase(const wxStringBase& str, size_t nPos, size_t nLen)
{
wxASSERT_MSG( str.GetStringData()->IsValid(),
_T("did you forget to call UngetWriteBuf()?") );
Init();
size_t strLen = str.length() - nPos; nLen = strLen < nLen ? strLen : nLen;
InitWith(str.c_str(), nPos, nLen);
}
// take all characters from pStart to pEnd
wxStringBase(const void *pStart, const void *pEnd);
// dtor is not virtual, this class must not be inherited from!
~wxStringBase()
{
#if defined(__VISUALC__) && (__VISUALC__ >= 1200)
//RN - according to the above VC++ does indeed inline this,
//even though it spits out two warnings
#pragma warning (disable:4714)
#endif
GetStringData()->Unlock();
}
#if defined(__VISUALC__) && (__VISUALC__ >= 1200)
//re-enable inlining warning
#pragma warning (default:4714)
#endif
// overloaded assignment
// from another wxString
wxStringBase& operator=(const wxStringBase& stringSrc);
// from a character
wxStringBase& operator=(wxUniChar ch);
// from a C string
wxStringBase& operator=(const wxChar *psz);
// return the length of the string
size_type length() const { return GetStringData()->nDataLength; }
// return the length of the string
size_type size() const { return length(); }
// return the maximum size of the string
size_type max_size() const { return npos; }
// resize the string, filling the space with c if c != 0
void resize(size_t nSize, wxUniChar ch = wxT('\0'));
// delete the contents of the string
void clear() { erase(0, npos); }
// returns true if the string is empty
bool empty() const { return length() == 0; }
// inform string about planned change in size
void reserve(size_t sz) { Alloc(sz); }
size_type capacity() const { return GetStringData()->nAllocLength; }
// lib.string.access
// return the character at position n
value_type at(size_type n) const
{ wxASSERT_VALID_INDEX( n ); return m_pchData[n]; }
// returns the writable character at position n
reference at(size_type n)
{
wxASSERT_VALID_INDEX( n );
CopyBeforeWrite();
return wxUniCharRef::CreateForString(&m_pchData[n]);
}
// lib.string.modifiers
// append elements str[pos], ..., str[pos+n]
wxStringBase& append(const wxStringBase& str, size_t pos, size_t n)
{
wxASSERT(pos <= str.length());
ConcatSelf(n, str.c_str() + pos, str.length() - pos);
return *this;
}
// append a string
wxStringBase& append(const wxStringBase& str)
{ ConcatSelf(str.length(), str.c_str()); return *this; }
// append first n (or all if n == npos) characters of sz
wxStringBase& append(const wxChar *sz)
{ ConcatSelf(wxStrlen(sz), sz); return *this; }
wxStringBase& append(const wxChar *sz, size_t n)
{ ConcatSelf(n, sz); return *this; }
// append n copies of ch
wxStringBase& append(size_t n, wxUniChar ch);
// append from first to last
wxStringBase& append(const_iterator first, const_iterator last)
{ ConcatSelf(last - first, first); return *this; }
// same as `this_string = str'
wxStringBase& assign(const wxStringBase& str)
{ return *this = str; }
// same as ` = str[pos..pos + n]
wxStringBase& assign(const wxStringBase& str, size_t pos, size_t n)
{ clear(); return append(str, pos, n); }
// same as `= first n (or all if n == npos) characters of sz'
wxStringBase& assign(const wxChar *sz)
{ clear(); return append(sz, wxStrlen(sz)); }
wxStringBase& assign(const wxChar *sz, size_t n)
{ clear(); return append(sz, n); }
// same as `= n copies of ch'
wxStringBase& assign(size_t n, wxUniChar ch)
{ clear(); return append(n, ch); }
// assign from first to last
wxStringBase& assign(const_iterator first, const_iterator last)
{ clear(); return append(first, last); }
// first valid index position
const_iterator begin() const { return m_pchData; }
iterator begin();
// position one after the last valid one
const_iterator end() const { return m_pchData + length(); }
iterator end();
// first element of the reversed string
const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); }
reverse_iterator rbegin() { return reverse_iterator(end()); }
// one beyond the end of the reversed string
const_reverse_iterator rend() const { return const_reverse_iterator(begin()); }
reverse_iterator rend() { return reverse_iterator(begin()); }
// insert another string
wxStringBase& insert(size_t nPos, const wxStringBase& str)
{
wxASSERT( str.GetStringData()->IsValid() );
return insert(nPos, str.c_str(), str.length());
}
// insert n chars of str starting at nStart (in str)
wxStringBase& insert(size_t nPos, const wxStringBase& str, size_t nStart, size_t n)
{
wxASSERT( str.GetStringData()->IsValid() );
wxASSERT( nStart < str.length() );
size_t strLen = str.length() - nStart;
n = strLen < n ? strLen : n;
return insert(nPos, str.c_str() + nStart, n);
}
// insert first n (or all if n == npos) characters of sz
wxStringBase& insert(size_t nPos, const wxChar *sz, size_t n = npos);
// insert n copies of ch
wxStringBase& insert(size_t nPos, size_t n, wxUniChar ch)
{ return insert(nPos, wxStringBase(n, ch)); }
iterator insert(iterator it, wxUniChar ch)
{ size_t idx = it - begin(); insert(idx, 1, ch); return begin() + idx; }
void insert(iterator it, const_iterator first, const_iterator last)
{ insert(it - begin(), first, last - first); }
void insert(iterator it, size_type n, wxUniChar ch)
{ insert(it - begin(), n, ch); }
// delete characters from nStart to nStart + nLen
wxStringBase& erase(size_type pos = 0, size_type n = npos);
iterator erase(iterator first, iterator last)
{
size_t idx = first - begin();
erase(idx, last - first);
return begin() + idx;
}
iterator erase(iterator first);
// explicit conversion to C string (use this with printf()!)
const wxChar* c_str() const { return m_pchData; }
const wxChar* data() const { return m_pchData; }
// replaces the substring of length nLen starting at nStart
wxStringBase& replace(size_t nStart, size_t nLen, const wxChar* sz);
// replaces the substring of length nLen starting at nStart
wxStringBase& replace(size_t nStart, size_t nLen, const wxStringBase& str)
{ return replace(nStart, nLen, str.c_str()); }
// replaces the substring with nCount copies of ch
wxStringBase& replace(size_t nStart, size_t nLen, size_t nCount, wxUniChar ch);
// replaces a substring with another substring
wxStringBase& replace(size_t nStart, size_t nLen,
const wxStringBase& str, size_t nStart2, size_t nLen2);
// replaces the substring with first nCount chars of sz
wxStringBase& replace(size_t nStart, size_t nLen,
const wxChar* sz, size_t nCount);
wxStringBase& replace(iterator first, iterator last, const_pointer s)
{ return replace(first - begin(), last - first, s); }
wxStringBase& replace(iterator first, iterator last, const_pointer s,
size_type n)
{ return replace(first - begin(), last - first, s, n); }
wxStringBase& replace(iterator first, iterator last, const wxStringBase& s)
{ return replace(first - begin(), last - first, s); }
wxStringBase& replace(iterator first, iterator last, size_type n, wxUniChar c)
{ return replace(first - begin(), last - first, n, c); }
wxStringBase& replace(iterator first, iterator last,
const_iterator first1, const_iterator last1)
{ return replace(first - begin(), last - first, first1, last1 - first1); }
// swap two strings
void swap(wxStringBase& str);
// All find() functions take the nStart argument which specifies the
// position to start the search on, the default value is 0. All functions
// return npos if there were no match.
// find a substring
size_t find(const wxStringBase& str, size_t nStart = 0) const;
// find first n characters of sz
size_t find(const wxChar* sz, size_t nStart = 0, size_t n = npos) const;
// find the first occurence of character ch after nStart
size_t find(wxUniChar ch, size_t nStart = 0) const;
// rfind() family is exactly like find() but works right to left
// as find, but from the end
size_t rfind(const wxStringBase& str, size_t nStart = npos) const;
// as find, but from the end
size_t rfind(const wxChar* sz, size_t nStart = npos,
size_t n = npos) const;
// as find, but from the end
size_t rfind(wxUniChar ch, size_t nStart = npos) const;
// find first/last occurence of any character in the set
// as strpbrk() but starts at nStart, returns npos if not found
size_t find_first_of(const wxStringBase& str, size_t nStart = 0) const
{ return find_first_of(str.c_str(), nStart); }
// same as above
size_t find_first_of(const wxChar* sz, size_t nStart = 0) const;
size_t find_first_of(const wxChar* sz, size_t nStart, size_t n) const;
// same as find(char, size_t)
size_t find_first_of(wxUniChar c, size_t nStart = 0) const
{ return find(c, nStart); }
// find the last (starting from nStart) char from str in this string
size_t find_last_of (const wxStringBase& str, size_t nStart = npos) const
{ return find_last_of(str.c_str(), nStart); }
// same as above
size_t find_last_of (const wxChar* sz, size_t nStart = npos) const;
size_t find_last_of(const wxChar* sz, size_t nStart, size_t n) const;
// same as above
size_t find_last_of(wxUniChar c, size_t nStart = npos) const
{ return rfind(c, nStart); }
// find first/last occurence of any character not in the set
// as strspn() (starting from nStart), returns npos on failure
size_t find_first_not_of(const wxStringBase& str, size_t nStart = 0) const
{ return find_first_not_of(str.c_str(), nStart); }
// same as above
size_t find_first_not_of(const wxChar* sz, size_t nStart = 0) const;
size_t find_first_not_of(const wxChar* sz, size_t nStart, size_t n) const;
// same as above
size_t find_first_not_of(wxUniChar ch, size_t nStart = 0) const;
// as strcspn()
size_t find_last_not_of(const wxStringBase& str, size_t nStart = npos) const
{ return find_last_not_of(str.c_str(), nStart); }
// same as above
size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const;
size_t find_last_not_of(const wxChar* sz, size_t nStart, size_t n) const;
// same as above
size_t find_last_not_of(wxUniChar ch, size_t nStart = npos) const;
// All compare functions return -1, 0 or 1 if the [sub]string is less,
// equal or greater than the compare() argument.
// comparison with another string
int compare(const wxStringBase& str) const;
// comparison with a substring
int compare(size_t nStart, size_t nLen, const wxStringBase& str) const;
// comparison of 2 substrings
int compare(size_t nStart, size_t nLen,
const wxStringBase& str, size_t nStart2, size_t nLen2) const;
// comparison with a c string
int compare(const wxChar* sz) const;
// substring comparison with first nCount characters of sz
int compare(size_t nStart, size_t nLen,
const wxChar* sz, size_t nCount = npos) const;
size_type copy(wxChar* s, size_type n, size_type pos = 0);
// substring extraction
wxStringBase substr(size_t nStart = 0, size_t nLen = npos) const;
// string += string
wxStringBase& operator+=(const wxStringBase& s) { return append(s); }
// string += C string
wxStringBase& operator+=(const wxChar *psz) { return append(psz); }
// string += char
wxStringBase& operator+=(wxUniChar ch) { return append(1, ch); }
wxStringBase& operator+=(wxUniCharRef ch) { return append(1, ch); }
wxStringBase& operator+=(char ch) { return append(1, ch); }
wxStringBase& operator+=(wchar_t ch) { return append(1, ch); }
};
#endif // !wxUSE_STL_BASED_WXSTRING
// ----------------------------------------------------------------------------
// wxCStrData
// ----------------------------------------------------------------------------
// Lightweight object returned by wxString::c_str() and implicitly convertible
// to either const char* or const wchar_t*.
class WXDLLIMPEXP_BASE wxCStrData
{
private:
// Ctors; for internal use by wxString and wxCStrData only
wxCStrData(const wxString *str, size_t offset = 0, bool owned = false)
: m_str(str), m_offset(offset), m_owned(owned) {}
public:
// Ctor constructs the object from char literal; they are needed to make
// operator?: compile and they intentionally take char*, not const char*
wxCStrData(char *buf);
wxCStrData(wchar_t *buf);
~wxCStrData();
// FIXME: we'll need convertors for both char* and wchar_t* and NONE
// for wxChar*, but that's after completing the transition to
// "smart" wxUniChar class. For now, just have conversion to
// char* in ANSI build and wchar_t in Unicode build.
#if wxUSE_UNICODE
const wchar_t* AsWChar() const;
operator const wchar_t*() const { return AsWChar(); }
#else
const char* AsChar() const;
operator const char*() const { return AsChar(); }
#endif
wxString AsString() const;
operator wxString() const;
// allow expressions like "c_str()[0]":
wxUniChar operator[](int n) const { return operator[](size_t(n)); }
wxUniChar operator[](size_t n) const;
wxUniChar operator[](long n) const { return operator[](size_t(n)); }
#ifndef wxSIZE_T_IS_UINT
wxUniChar operator[](unsigned int n) const { return operator[](size_t(n)); }
#endif // size_t != unsigned int
// these operators are needed to emulate the pointer semantics of c_str():
// expressions like "wxChar *p = str.c_str() + 1;" should continue to work
// (we need both versions to resolve ambiguities):
wxCStrData operator+(int n) const
{ return wxCStrData(m_str, m_offset + n, m_owned); }
wxCStrData operator+(long n) const
{ return wxCStrData(m_str, m_offset + n, m_owned); }
wxCStrData operator+(size_t n) const
{ return wxCStrData(m_str, m_offset + n, m_owned); }
// this operator is need to make expressions like "*c_str()" or
// "*(c_str() + 2)" work
wxUniChar operator*() const;
private:
const wxString *m_str;
size_t m_offset;
bool m_owned;
friend class WXDLLIMPEXP_BASE wxString;
};
// ----------------------------------------------------------------------------
// wxStringPrintfMixin
// ---------------------------------------------------------------------------
// NB: VC6 has a bug that causes linker errors if you have template methods
// in a class using __declspec(dllimport). The solution is to split such
// class into two classes, one that contains the template methods and does
// *not* use WXDLLIMPEXP_BASE and another class that contains the rest
// (with DLL linkage).
//
// We only do this for VC6 here, because the code is less efficient
// (Printf() has to use dynamic_cast<>) and because OpenWatcom compiler
// cannot compile this code.
#if defined(__VISUALC__) && __VISUALC__ < 1300
#define wxNEEDS_WXSTRING_PRINTF_MIXIN
#endif
#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
// this class contains implementation of wxString's vararg methods, it's
// exported from wxBase DLL
class WXDLLIMPEXP_BASE wxStringPrintfMixinBase
{
protected:
wxStringPrintfMixinBase() {}
int DoPrintf(const wxChar *format, ...) ATTRIBUTE_PRINTF_2;
static wxString DoFormat(const wxChar *format, ...) ATTRIBUTE_PRINTF_1;
};
// this class contains template wrappers for wxString's vararg methods, it's
// intentionally *not* exported from the DLL in order to fix the VC6 bug
// described above
class wxStringPrintfMixin : public wxStringPrintfMixinBase
{
private:
// to further complicate things, we can't return wxString from
// wxStringPrintfMixin::Format() because wxString is not yet declared at
// this point; the solution is to use this fake type trait template - this
// way the compiler won't know the return type until Format() is used
// (this doesn't compile with Watcom, but VC6 compiles it just fine):
template<typename T> struct StringReturnType
{
typedef wxString type;
};
public:
// these are duplicated wxString methods, they're also declared below
// if !wxNEEDS_WXSTRING_PRINTF_MIXIN:
// int Printf(const wxChar *pszFormat, ...);
WX_DEFINE_VARARG_FUNC(int, Printf, DoPrintf)
// static wxString Format(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_1;
WX_DEFINE_VARARG_FUNC(static typename StringReturnType<T1>::type,
Format, DoFormat)
// int sprintf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2;
WX_DEFINE_VARARG_FUNC(int, sprintf, DoPrintf)
protected:
wxStringPrintfMixin() : wxStringPrintfMixinBase() {}
};
#endif // wxNEEDS_WXSTRING_PRINTF_MIXIN
// ----------------------------------------------------------------------------
// wxString: string class trying to be compatible with std::string, MFC
// CString and wxWindows 1.x wxString all at once
// ---------------------------------------------------------------------------
#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
// "non dll-interface class 'wxStringPrintfMixin' used as base interface
// for dll-interface class 'wxString'" -- this is OK in our case
#pragma warning (disable:4275)
#endif
class WXDLLIMPEXP_BASE wxString : public wxStringBase
#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
,public wxStringPrintfMixin
#endif
{
// NB: special care was taken in arranging the member functions in such order
// that all inline functions can be effectively inlined, verify that all
// performance critical functions are still inlined if you change order!
private:
// if we hadn't made these operators private, it would be possible to
// compile "wxString s; s = 17;" without any warnings as 17 is implicitly
// converted to char in C and we do have operator=(char)
//
// NB: we don't need other versions (short/long and unsigned) as attempt
// to assign another numeric type to wxString will now result in
// ambiguity between operator=(char) and operator=(int)
wxString& operator=(int);
// these methods are not implemented - there is _no_ conversion from int to
// string, you're doing something wrong if the compiler wants to call it!
//
// try `s << i' or `s.Printf("%d", i)' instead
wxString(int);
public:
// constructors and destructor
// ctor for an empty string
wxString() : wxStringBase() { }
// copy ctor
wxString(const wxStringBase& stringSrc) : wxStringBase(stringSrc) { }
wxString(const wxString& stringSrc) : wxStringBase(stringSrc) { }
// string containing nRepeat copies of ch
wxString(wxUniChar ch, size_t nRepeat = 1)
: wxStringBase(nRepeat, ch) { }
wxString(size_t nRepeat, wxUniChar ch)
: wxStringBase(nRepeat, ch) { }
wxString(wxUniCharRef ch, size_t nRepeat = 1)
: wxStringBase(nRepeat, ch) { }
wxString(size_t nRepeat, wxUniCharRef ch)
: wxStringBase(nRepeat, ch) { }
wxString(char ch, size_t nRepeat = 1)
: wxStringBase(nRepeat, ch) { }
wxString(size_t nRepeat, char ch)
: wxStringBase(nRepeat, ch) { }
wxString(wchar_t ch, size_t nRepeat = 1)
: wxStringBase(nRepeat, ch) { }
wxString(size_t nRepeat, wchar_t ch)
: wxStringBase(nRepeat, ch) { }
// ctor takes first nLength characters from C string
// (default value of npos means take all the string)
wxString(const wxChar *psz)
: wxStringBase(psz ? psz : wxT("")) { }
wxString(const wxChar *psz, size_t nLength)
: wxStringBase(psz, nLength) { }
wxString(const wxChar *psz,
const wxMBConv& WXUNUSED(conv),
size_t nLength = npos)
: wxStringBase(psz, nLength == npos ? wxStrlen(psz) : nLength) { }
// even if we're not built with wxUSE_STL == 1 it is very convenient to allow
// implicit conversions from std::string to wxString as this allows to use
// the same strings in non-GUI and GUI code, however we don't want to
// unconditionally add this ctor as it would make wx lib dependent on
// libstdc++ on some Linux versions which is bad, so instead we ask the
// client code to define this wxUSE_STD_STRING symbol if they need it
#if wxUSE_STD_STRING
wxString(const wxStdString& s)
: wxStringBase(s.c_str()) { }
#endif // wxUSE_STD_STRING
#if wxUSE_UNICODE
// from multibyte string
wxString(const char *psz,
const wxMBConv& conv = wxConvLibc,
size_t nLength = npos);
// from wxWCharBuffer (i.e. return from wxGetString)
wxString(const wxWCharBuffer& psz) : wxStringBase(psz.data()) { }
#else // ANSI
// from C string (for compilers using unsigned char)
wxString(const unsigned char* psz)
: wxStringBase((const char*)psz) { }
// from part of C string (for compilers using unsigned char)
wxString(const unsigned char* psz, size_t nLength)
: wxStringBase((const char*)psz, nLength) { }
#if wxUSE_WCHAR_T
// from wide (Unicode) string
wxString(const wchar_t *pwz,
const wxMBConv& conv = wxConvLibc,
size_t nLength = npos);
#endif // !wxUSE_WCHAR_T
// from wxCharBuffer
wxString(const wxCharBuffer& psz)
: wxStringBase(psz) { }
#endif // Unicode/ANSI
// generic attributes & operations
// as standard strlen()
size_t Len() const { return length(); }
// string contains any characters?
bool IsEmpty() const { return empty(); }
// empty string is "false", so !str will return true
bool operator!() const { return empty(); }
// truncate the string to given length
wxString& Truncate(size_t uiLen);
// empty string contents
void Empty()
{
Truncate(0);
wxASSERT_MSG( empty(), _T("string not empty after call to Empty()?") );
}
// empty the string and free memory
void Clear()
{
wxString tmp(wxEmptyString);
swap(tmp);
}
// contents test
// Is an ascii value
bool IsAscii() const;
// Is a number
bool IsNumber() const;
// Is a word
bool IsWord() const;
// data access (all indexes are 0 based)
// read access
wxUniChar GetChar(size_t n) const
{ return at(n); }
// read/write access
wxUniCharRef GetWritableChar(size_t n)
{ return at(n); }
// write access
void SetChar(size_t n, wxUniChar ch)
{ at(n) = ch; }
// get last character
wxUniChar Last() const
{
wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") );
return at(length() - 1);
}
// get writable last character
wxUniCharRef Last()
{
wxASSERT_MSG( !empty(), _T("wxString: index out of bounds") );
return at(length() - 1);
}
/*
Note that we we must define all of the overloads below to avoid
ambiguity when using str[0].
*/
wxUniChar operator[](int n) const
{ return wxStringBase::at(n); }
wxUniChar operator[](long n) const
{ return wxStringBase::at(n); }
wxUniChar operator[](size_t n) const
{ return wxStringBase::at(n); }
#ifndef wxSIZE_T_IS_UINT
wxUniChar operator[](unsigned int n) const
{ return wxStringBase::at(n); }
#endif // size_t != unsigned int
// operator versions of GetWriteableChar()
wxUniCharRef operator[](int n)
{ return wxStringBase::at(n); }
wxUniCharRef operator[](long n)
{ return wxStringBase::at(n); }
wxUniCharRef operator[](size_t n)
{ return wxStringBase::at(n); }
#ifndef wxSIZE_T_IS_UINT
wxUniCharRef operator[](unsigned int n)
{ return wxStringBase::at(n); }
#endif // size_t != unsigned int
// explicit conversion to C string (use this with printf()!)
wxCStrData c_str() const { return wxCStrData(this); }
// implicit conversion to C string
operator wxCStrData() const { return c_str(); }
operator const wxChar*() const { return c_str(); }
// identical to c_str(), for MFC compatibility
const wxCStrData GetData() const { return c_str(); }
// explicit conversion to C string in internal representation (char*,
// wchar_t*, UTF-8-encoded char*, depending on the build):
const_pointer wx_str() const { return data(); }
// 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
const wxCharBuffer ToAscii() const;
#else // ANSI
static wxString FromAscii(const char *ascii) { return wxString( ascii ); }
static wxString FromAscii(const char ascii) { return wxString( ascii ); }
const char *ToAscii() const { return c_str(); }
#endif // Unicode/!Unicode
// conversions with (possible) format conversions: have to return a
// buffer with temporary data
//
// the functions defined (in either Unicode or ANSI) mode are mb_str() to
// return an ANSI (multibyte) string, wc_str() to return a wide string and
// fn_str() to return a string which should be used with the OS APIs
// accepting the file names. The return value is always the same, but the
// type differs because a function may either return pointer to the buffer
// directly or have to use intermediate buffer for translation.
#if wxUSE_UNICODE
const wxCharBuffer mb_str(const wxMBConv& conv = wxConvLibc) const;
const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); }
const wxChar* wc_str() const { return c_str(); }
// for compatibility with !wxUSE_UNICODE version
const wxChar* wc_str(const wxMBConv& WXUNUSED(conv)) const { return c_str(); }
#if wxMBFILES
const wxCharBuffer fn_str() const { return mb_str(wxConvFile); }
#else // !wxMBFILES
const wxChar* fn_str() const { return c_str(); }
#endif // wxMBFILES/!wxMBFILES
#else // ANSI
const wxChar* mb_str() const { return c_str(); }
// for compatibility with wxUSE_UNICODE version
const wxChar* mb_str(const wxMBConv& WXUNUSED(conv)) const { return c_str(); }
const wxWX2MBbuf mbc_str() const { return mb_str(); }
#if wxUSE_WCHAR_T
const wxWCharBuffer wc_str(const wxMBConv& conv) 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
#endif // Unicode/ANSI
// overloaded assignment
// from another wxString
wxString& operator=(const wxStringBase& stringSrc)
{ return (wxString&)wxStringBase::operator=(stringSrc); }
wxString& operator=(const wxCStrData& cstr);
// from a character
wxString& operator=(wxUniChar ch)
{ return (wxString&)wxStringBase::operator=(ch); }
wxString& operator=(wxUniCharRef ch)
{ return (wxString&)wxStringBase::operator=((wxUniChar)ch); }
wxString& operator=(char ch)
{ return (wxString&)wxStringBase::operator=(wxUniChar(ch)); }
wxString& operator=(wchar_t ch)
{ return (wxString&)wxStringBase::operator=(wxUniChar(ch)); }
// from a C string - STL probably will crash on NULL,
// so we need to compensate in that case
#if wxUSE_STL_BASED_WXSTRING
wxString& operator=(const wxChar *psz)
{ if(psz) wxStringBase::operator=(psz); else Clear(); return *this; }
#else
wxString& operator=(const wxChar *psz)
{ return (wxString&)wxStringBase::operator=(psz); }
#endif
#if wxUSE_UNICODE
// from wxWCharBuffer
wxString& operator=(const wxWCharBuffer& psz)
{ (void) operator=((const wchar_t *)psz); return *this; }
// from C string
wxString& operator=(const char* psz)
{ return operator=(wxString(psz)); }
#else // ANSI
// from another kind of C string
wxString& operator=(const unsigned char* psz);
#if wxUSE_WCHAR_T
// from a wide string
wxString& operator=(const wchar_t *pwz);
#endif
// from wxCharBuffer
wxString& operator=(const wxCharBuffer& psz)
{ (void) operator=((const char *)psz); return *this; }
#endif // Unicode/ANSI
// string concatenation
// in place concatenation
/*
Concatenate and return the result. Note that the left to right
associativity of << allows to write things like "str << str1 << str2
<< ..." (unlike with +=)
*/
// string += string
wxString& operator<<(const wxString& s)
{
#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL
wxASSERT_MSG( s.GetStringData()->IsValid(),
_T("did you forget to call UngetWriteBuf()?") );
#endif
append(s);
return *this;
}
// string += C string
wxString& operator<<(const wxChar *psz)
{ append(psz); return *this; }
wxString& operator<<(const wxCStrData& psz)
{ append(psz); return *this; }
// string += char
wxString& operator<<(wxUniChar ch) { append(1, ch); return *this; }
wxString& operator<<(wxUniCharRef ch) { append(1, ch); return *this; }
wxString& operator<<(char ch) { append(1, ch); return *this; }
wxString& operator<<(wchar_t ch) { append(1, ch); return *this; }
// string += buffer (i.e. from wxGetString)
#if wxUSE_UNICODE
wxString& operator<<(const wxWCharBuffer& s)
{ return operator<<((const wchar_t *)s); }
wxString& operator+=(const wxWCharBuffer& s)
{ return operator<<((const wchar_t *)s); }
#else // !wxUSE_UNICODE
wxString& operator<<(const wxCharBuffer& s)
{ return operator<<((const char *)s); }
wxString& operator+=(const wxCharBuffer& s)
{ return operator<<((const char *)s); }
#endif // wxUSE_UNICODE/!wxUSE_UNICODE
#if wxUSE_UNICODE
// string += C string in Unicode build (with conversion)
wxString& operator<<(const char *s)
{ return operator<<(wxString(s)); }
wxString& operator+=(const char *s)
{ return operator+=(wxString(s)); }
#endif // wxUSE_UNICODE
// string += C string
wxString& Append(const wxString& s)
{
// test for empty() to share the string if possible
if ( empty() )
*this = s;
else
append(s);
return *this;
}
wxString& Append(const wxCStrData& psz)
{ append(psz); return *this; }
wxString& Append(const wxChar* psz)
{ append(psz); return *this; }
// append count copies of given character
wxString& Append(wxUniChar ch, size_t count = 1u)
{ append(count, ch); return *this; }
wxString& Append(wxUniCharRef ch, size_t count = 1u)
{ append(count, ch); return *this; }
wxString& Append(char ch, size_t count = 1u)
{ append(count, ch); return *this; }
wxString& Append(wchar_t ch, size_t count = 1u)
{ append(count, ch); return *this; }
wxString& Append(const wxChar* psz, size_t nLen)
{ append(psz, nLen); return *this; }
// prepend a string, return the string itself
wxString& Prepend(const wxString& str)
{ *this = str + *this; return *this; }
// non-destructive concatenation
// two strings
friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string1,
const wxString& string2);
// string with a single char
friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxUniChar ch);
// char with a string
friend wxString WXDLLIMPEXP_BASE operator+(wxUniChar ch, const wxString& string);
// string with C string
friend wxString WXDLLIMPEXP_BASE operator+(const wxString& string,
const wxChar *psz);
// C string with string
friend wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz,
const wxString& string);
// stream-like functions
// insert an int into string
wxString& operator<<(int i)
{ return (*this) << Format(_T("%d"), i); }
// insert an unsigned int into string
wxString& operator<<(unsigned int ui)
{ return (*this) << Format(_T("%u"), ui); }
// insert a long into string
wxString& operator<<(long l)
{ return (*this) << Format(_T("%ld"), l); }
// insert an unsigned long into string
wxString& operator<<(unsigned long ul)
{ return (*this) << Format(_T("%lu"), ul); }
#if defined wxLongLong_t && !defined wxLongLongIsLong
// insert a long long if they exist and aren't longs
wxString& operator<<(wxLongLong_t ll)
{
const wxChar *fmt = _T("%") wxLongLongFmtSpec _T("d");
return (*this) << Format(fmt, ll);
}
// insert an unsigned long long
wxString& operator<<(wxULongLong_t ull)
{
const wxChar *fmt = _T("%") wxLongLongFmtSpec _T("u");
return (*this) << Format(fmt , ull);
}
#endif
// insert a float into string
wxString& operator<<(float f)
{ return (*this) << Format(_T("%f"), f); }
// insert a double into string
wxString& operator<<(double d)
{ return (*this) << Format(_T("%g"), d); }
// string comparison
// case-sensitive comparison (returns a value < 0, = 0 or > 0)
int Cmp(const wxChar *psz) const;
int Cmp(const wxString& s) const;
// same as Cmp() but not case-sensitive
int CmpNoCase(const wxChar *psz) const;
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 wxChar *psz, bool compareWithCase = true) const
{ return (compareWithCase ? Cmp(psz) : CmpNoCase(psz)) == 0; }
// comparison with a single character: returns true if equal
bool IsSameAs(wxUniChar c, bool compareWithCase = true) const
{
return (length() == 1) && (compareWithCase ? GetChar(0u) == c
: wxToupper(GetChar(0u)) == wxToupper(c));
}
// simple sub-string extraction
// return substring starting at nFirst of length nCount (or till the end
// if nCount = default value)
wxString Mid(size_t nFirst, size_t nCount = npos) const;
// operator version of Mid()
wxString operator()(size_t start, size_t len) const
{ return Mid(start, len); }
// 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;
// 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;
// get first nCount characters
wxString Left(size_t nCount) const;
// get last nCount characters
wxString Right(size_t nCount) const;
// get all characters before the first occurance of ch
// (returns the whole string if ch not found)
wxString BeforeFirst(wxUniChar ch) const;
// get all characters before the last occurence of ch
// (returns empty string if ch not found)
wxString BeforeLast(wxUniChar ch) const;
// get all characters after the first occurence of ch
// (returns empty string if ch not found)
wxString AfterFirst(wxUniChar ch) const;
// get all characters after the last occurence of ch
// (returns the whole string if ch not found)
wxString AfterLast(wxUniChar ch) const;
// for compatibility only, use more explicitly named functions above
wxString Before(wxUniChar ch) const { return BeforeLast(ch); }
wxString After(wxUniChar ch) const { return AfterFirst(ch); }
// case conversion
// convert to upper case in place, return the string itself
wxString& MakeUpper();
// convert to upper case, return the copy of the string
// Here's something to remember: BC++ doesn't like returns in inlines.
wxString Upper() const ;
// convert to lower case in place, return the string itself
wxString& MakeLower();
// convert to lower case, return the copy of the string
wxString Lower() const ;
// trimming/padding whitespace (either side) and truncating
// remove spaces from left or from right (default) side
wxString& Trim(bool bFromRight = true);
// add nCount copies chPad in the beginning or at the end (default)
wxString& Pad(size_t nCount, wxUniChar chPad = wxT(' '), bool bFromRight = true);
// searching and replacing
// searching (return starting index, or -1 if not found)
int Find(wxUniChar ch, bool bFromEnd = false) const; // like strchr/strrchr
// searching (return starting index, or -1 if not found)
int Find(const wxChar *pszSub) const; // like strstr
// replace first (or all of bReplaceAll) occurences of substring with
// another string, returns the number of replacements made
size_t Replace(const wxChar *szOld,
const wxChar *szNew,
bool bReplaceAll = true);
// check if the string contents matches a mask containing '*' and '?'
bool Matches(const wxChar *szMask) const;
// conversion to numbers: all functions return true only if the whole
// string is a number and put the value of this number into the pointer
// provided, the base is the numeric base in which the conversion should be
// done and must be comprised between 2 and 36 or be 0 in which case the
// standard C rules apply (leading '0' => octal, "0x" => hex)
// convert to a signed integer
bool ToLong(long *val, int base = 10) const;
// convert to an unsigned integer
bool ToULong(unsigned long *val, int base = 10) const;
// convert to wxLongLong
#if defined(wxLongLong_t)
bool ToLongLong(wxLongLong_t *val, int base = 10) const;
// convert to wxULongLong
bool ToULongLong(wxULongLong_t *val, int base = 10) const;
#endif // wxLongLong_t
// convert to a double
bool ToDouble(double *val) const;
#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN
// formatted input/output
// as sprintf(), returns the number of characters written or < 0 on error
// (take 'this' into account in attribute parameter count)
// int Printf(const wxChar *pszFormat, ...);
WX_DEFINE_VARARG_FUNC(int, Printf, DoPrintf)
#endif // !wxNEEDS_WXSTRING_PRINTF_MIXIN
// as vprintf(), returns the number of characters written or < 0 on error
int PrintfV(const wxString& format, va_list argptr);
#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN
// returns the string containing the result of Printf() to it
// static wxString Format(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_1;
WX_DEFINE_VARARG_FUNC(static wxString, Format, DoFormat)
#endif
// the same as above, but takes a va_list
static wxString FormatV(const wxString& format, va_list argptr);
// 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; }
// minimize the string's memory
// only works if the data of this string is not shared
bool Shrink();
#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING
// These are deprecated, use wxStringBuffer or wxStringBufferLength instead
//
// get writable buffer of at least nLen bytes. Unget() *must* be called
// a.s.a.p. to put string back in a reasonable state!
wxDEPRECATED( wxChar *GetWriteBuf(size_t nLen) );
// call this immediately after GetWriteBuf() has been used
wxDEPRECATED( void UngetWriteBuf() );
wxDEPRECATED( void UngetWriteBuf(size_t nLen) );
#endif // WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL_BASED_WXSTRING
// wxWidgets version 1 compatibility functions
// use Mid()
wxString SubString(size_t from, size_t to) const
{ return Mid(from, (to - from + 1)); }
// values for second parameter of CompareTo function
enum caseCompare {exact, ignoreCase};
// values for first parameter of Strip function
enum stripType {leading = 0x1, trailing = 0x2, both = 0x3};
#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN
// use Printf()
// (take 'this' into account in attribute parameter count)
// int sprintf(const wxChar *pszFormat, ...) ATTRIBUTE_PRINTF_2;
WX_DEFINE_VARARG_FUNC(int, sprintf, DoPrintf)
#endif // wxNEEDS_WXSTRING_PRINTF_MIXIN
// use Cmp()
inline int CompareTo(const wxChar* psz, caseCompare cmp = exact) const
{ return cmp == exact ? Cmp(psz) : CmpNoCase(psz); }
// use Len
size_t Length() const { return length(); }
// Count the number of characters
int Freq(wxUniChar ch) const;
// use MakeLower
void LowerCase() { MakeLower(); }
// use MakeUpper
void UpperCase() { MakeUpper(); }
// use Trim except that it doesn't change this string
wxString Strip(stripType w = trailing) const;
// use Find (more general variants not yet supported)
size_t Index(const wxChar* psz) const { return Find(psz); }
size_t Index(wxUniChar ch) const { return Find(ch); }
// use Truncate
wxString& Remove(size_t pos) { return Truncate(pos); }
wxString& RemoveLast(size_t n = 1) { return Truncate(length() - n); }
wxString& Remove(size_t nStart, size_t nLen)
{ return (wxString&)erase( nStart, nLen ); }
// use Find()
int First( const wxUniChar ch ) const { return Find(ch); }
int First( char ch ) const { return Find(ch); }
int First( wchar_t ch ) const { return Find(ch); }
int First( const wxChar* psz ) const { return Find(psz); }
int First( const wxString &str ) const { return Find(str); }
int Last( const wxUniChar ch ) const { return Find(ch, true); }
bool Contains(const wxString& str) const { return Find(str) != wxNOT_FOUND; }
// use empty()
bool IsNull() const { return empty(); }
// std::string compatibility functions
// take nLen chars starting at nPos
wxString(const wxString& str, size_t nPos, size_t nLen)
: wxStringBase(str, nPos, nLen) { }
// take all characters from pStart to pEnd
wxString(const void *pStart, const void *pEnd)
: wxStringBase((const wxChar*)pStart, (const wxChar*)pEnd) { }
wxString(const_iterator first, const_iterator last)
: wxStringBase(first, last) { }
wxString(iterator first, iterator last)
: wxStringBase(first, last) { }
// lib.string.modifiers
// append elements str[pos], ..., str[pos+n]
wxString& append(const wxString& str, size_t pos, size_t n)
{ return (wxString&)wxStringBase::append(str, pos, n); }
// append a string
wxString& append(const wxString& str)
{ return (wxString&)wxStringBase::append(str); }
wxString& append(const wxCStrData& str)
{ return (wxString&)wxStringBase::append(str.AsString()); }
// append first n (or all if n == npos) characters of sz
wxString& append(const wxChar *sz)
{ return (wxString&)wxStringBase::append(sz); }
wxString& append(const wxChar *sz, size_t n)
{ return (wxString&)wxStringBase::append(sz, n); }
// append n copies of ch
wxString& append(size_t n, wxUniChar ch)
{ return (wxString&)wxStringBase::append(n, ch); }
// append from first to last
wxString& append(const_iterator first, const_iterator last)
{ return (wxString&)wxStringBase::append(first, last); }
// same as `this_string = str'
wxString& assign(const wxString& str)
{ return (wxString&)wxStringBase::assign(str); }
// same as ` = str[pos..pos + n]
wxString& assign(const wxString& str, size_t pos, size_t n)
{ return (wxString&)wxStringBase::assign(str, pos, n); }
// same as `= first n (or all if n == npos) characters of sz'
wxString& assign(const wxChar *sz)
{ return (wxString&)wxStringBase::assign(sz); }
wxString& assign(const wxChar *sz, size_t n)
{ return (wxString&)wxStringBase::assign(sz, n); }
// same as `= n copies of ch'
wxString& assign(size_t n, wxUniChar ch)
{ return (wxString&)wxStringBase::assign(n, ch); }
// assign from first to last
wxString& assign(const_iterator first, const_iterator last)
{ return (wxString&)wxStringBase::assign(first, last); }
// string comparison
#if !defined(HAVE_STD_STRING_COMPARE)
int compare(const wxStringBase& str) const;
// comparison with a substring
int compare(size_t nStart, size_t nLen, const wxStringBase& str) const;
// comparison of 2 substrings
int compare(size_t nStart, size_t nLen,
const wxStringBase& str, size_t nStart2, size_t nLen2) const;
// just like strcmp()
int compare(const wxChar* sz) const;
// substring comparison with first nCount characters of sz
int compare(size_t nStart, size_t nLen,
const wxChar* sz, size_t nCount = npos) const;
#endif // !defined HAVE_STD_STRING_COMPARE
// insert another string
wxString& insert(size_t nPos, const wxString& str)
{ return (wxString&)wxStringBase::insert(nPos, str); }
// insert n chars of str starting at nStart (in str)
wxString& insert(size_t nPos, const wxString& str, size_t nStart, size_t n)
{ return (wxString&)wxStringBase::insert(nPos, str, nStart, n); }
// insert first n (or all if n == npos) characters of sz
wxString& insert(size_t nPos, const wxChar *sz)
{ return (wxString&)wxStringBase::insert(nPos, sz); }
wxString& insert(size_t nPos, const wxChar *sz, size_t n)
{ return (wxString&)wxStringBase::insert(nPos, sz, n); }
// insert n copies of ch
wxString& insert(size_t nPos, size_t n, wxUniChar ch)
{ return (wxString&)wxStringBase::insert(nPos, n, ch); }
iterator insert(iterator it, wxUniChar ch)
{ return wxStringBase::insert(it, ch); }
void insert(iterator it, const_iterator first, const_iterator last)
{ wxStringBase::insert(it, first, last); }
void insert(iterator it, size_type n, wxUniChar ch)
{ wxStringBase::insert(it, n, ch); }
// delete characters from nStart to nStart + nLen
wxString& erase(size_type pos = 0, size_type n = npos)
{ return (wxString&)wxStringBase::erase(pos, n); }
iterator erase(iterator first, iterator last)
{ return wxStringBase::erase(first, last); }
iterator erase(iterator first)
{ return wxStringBase::erase(first); }
#ifdef wxSTRING_BASE_HASNT_CLEAR
void clear() { erase(); }
#endif
// replaces the substring of length nLen starting at nStart
wxString& replace(size_t nStart, size_t nLen, const wxChar* sz)
{ return (wxString&)wxStringBase::replace(nStart, nLen, sz); }
// replaces the substring of length nLen starting at nStart
wxString& replace(size_t nStart, size_t nLen, const wxString& str)
{ return (wxString&)wxStringBase::replace(nStart, nLen, str); }
// replaces the substring with nCount copies of ch
wxString& replace(size_t nStart, size_t nLen, size_t nCount, wxUniChar ch)
{ return (wxString&)wxStringBase::replace(nStart, nLen, nCount, ch); }
// replaces a substring with another substring
wxString& replace(size_t nStart, size_t nLen,
const wxString& str, size_t nStart2, size_t nLen2)
{ return (wxString&)wxStringBase::replace(nStart, nLen, str,
nStart2, nLen2); }
// replaces the substring with first nCount chars of sz
wxString& replace(size_t nStart, size_t nLen,
const wxChar* sz, size_t nCount)
{ return (wxString&)wxStringBase::replace(nStart, nLen, sz, nCount); }
wxString& replace(iterator first, iterator last, const_pointer s)
{ return (wxString&)wxStringBase::replace(first, last, s); }
wxString& replace(iterator first, iterator last, const_pointer s,
size_type n)
{ return (wxString&)wxStringBase::replace(first, last, s, n); }
wxString& replace(iterator first, iterator last, const wxString& s)
{ return (wxString&)wxStringBase::replace(first, last, s); }
wxString& replace(iterator first, iterator last, size_type n, wxUniChar c)
{ return (wxString&)wxStringBase::replace(first, last, n, c); }
wxString& replace(iterator first, iterator last,
const_iterator first1, const_iterator last1)
{ return (wxString&)wxStringBase::replace(first, last, first1, last1); }
// string += string
wxString& operator+=(const wxString& s)
{ return (wxString&)wxStringBase::operator+=(s); }
// string += C string
wxString& operator+=(const wxChar *psz)
{ return (wxString&)wxStringBase::operator+=(psz); }
wxString& operator+=(const wxCStrData& s)
{ return (wxString&)wxStringBase::operator+=(s.AsString()); }
// string += char
wxString& operator+=(wxUniChar ch)
{ return (wxString&)wxStringBase::operator+=(ch); }
wxString& operator+=(wxUniCharRef ch) { return *this += wxUniChar(ch); }
wxString& operator+=(char ch) { return *this += wxUniChar(ch); }
wxString& operator+=(wchar_t ch) { return *this += wxUniChar(ch); }
private:
#if !wxUSE_STL_BASED_WXSTRING
// helpers for wxStringBuffer and wxStringBufferLength
wxChar *DoGetWriteBuf(size_t nLen);
void DoUngetWriteBuf();
void DoUngetWriteBuf(size_t nLen);
friend class WXDLLIMPEXP_BASE wxStringBuffer;
friend class WXDLLIMPEXP_BASE wxStringBufferLength;
#endif
#ifndef wxNEEDS_WXSTRING_PRINTF_MIXIN
int DoPrintf(const wxChar *format, ...) ATTRIBUTE_PRINTF_2;
static wxString DoFormat(const wxChar *format, ...) ATTRIBUTE_PRINTF_1;
#endif
};
#ifdef wxNEEDS_WXSTRING_PRINTF_MIXIN
#pragma warning (default:4275)
#endif
// notice that even though for many compilers the friend declarations above are
// enough, from the point of view of C++ standard we must have the declarations
// here as friend ones are not injected in the enclosing namespace and without
// them the code fails to compile with conforming compilers such as xlC or g++4
wxString WXDLLIMPEXP_BASE operator+(const wxString& string1, const wxString& string2);
wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz);
wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string);
wxString WXDLLIMPEXP_BASE operator+(const wxString& string, wxUniChar ch);
wxString WXDLLIMPEXP_BASE operator+(wxUniChar ch, const wxString& string);
inline wxString operator+(const wxString& string, wxUniCharRef ch)
{ return string + (wxUniChar)ch; }
inline wxString operator+(const wxString& string, char ch)
{ return string + wxUniChar(ch); }
inline wxString operator+(const wxString& string, wchar_t ch)
{ return string + wxUniChar(ch); }
inline wxString operator+(wxUniCharRef ch, const wxString& string)
{ return (wxUniChar)ch + string; }
inline wxString operator+(char ch, const wxString& string)
{ return wxUniChar(ch) + string; }
inline wxString operator+(wchar_t ch, const wxString& string)
{ 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
// ----------------------------------------------------------------------------
// wxStringBuffer: a tiny class allowing to get a writable pointer into string
// ----------------------------------------------------------------------------
#if wxUSE_STL_BASED_WXSTRING
class WXDLLIMPEXP_BASE wxStringBuffer
{
public:
wxStringBuffer(wxString& str, size_t lenWanted = 1024)
: m_str(str), m_buf(lenWanted)
{ }
~wxStringBuffer() { m_str.assign(m_buf.data(), wxStrlen(m_buf.data())); }
operator wxChar*() { return m_buf.data(); }
private:
wxString& m_str;
#if wxUSE_UNICODE
wxWCharBuffer m_buf;
#else
wxCharBuffer m_buf;
#endif
DECLARE_NO_COPY_CLASS(wxStringBuffer)
};
class WXDLLIMPEXP_BASE wxStringBufferLength
{
public:
wxStringBufferLength(wxString& str, size_t lenWanted = 1024)
: m_str(str), m_buf(lenWanted), m_len(0), m_lenSet(false)
{ }
~wxStringBufferLength()
{
wxASSERT(m_lenSet);
m_str.assign(m_buf.data(), m_len);
}
operator wxChar*() { return m_buf.data(); }
void SetLength(size_t length) { m_len = length; m_lenSet = true; }
private:
wxString& m_str;
#if wxUSE_UNICODE
wxWCharBuffer m_buf;
#else
wxCharBuffer m_buf;
#endif
size_t m_len;
bool m_lenSet;
DECLARE_NO_COPY_CLASS(wxStringBufferLength)
};
#else // if !wxUSE_STL_BASED_WXSTRING
class WXDLLIMPEXP_BASE wxStringBuffer
{
public:
wxStringBuffer(wxString& str, size_t lenWanted = 1024)
: m_str(str), m_buf(NULL)
{ m_buf = m_str.DoGetWriteBuf(lenWanted); }
~wxStringBuffer() { m_str.DoUngetWriteBuf(); }
operator wxChar*() const { return m_buf; }
private:
wxString& m_str;
wxChar *m_buf;
DECLARE_NO_COPY_CLASS(wxStringBuffer)
};
class WXDLLIMPEXP_BASE wxStringBufferLength
{
public:
wxStringBufferLength(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);
}
~wxStringBufferLength()
{
wxASSERT(m_lenSet);
m_str.DoUngetWriteBuf(m_len);
}
operator wxChar*() const { return m_buf; }
void SetLength(size_t length) { m_len = length; m_lenSet = true; }
private:
wxString& m_str;
wxChar *m_buf;
size_t m_len;
bool m_lenSet;
DECLARE_NO_COPY_CLASS(wxStringBufferLength)
};
#endif // !wxUSE_STL_BASED_WXSTRING
// ---------------------------------------------------------------------------
// wxString comparison functions: operator versions are always case sensitive
// ---------------------------------------------------------------------------
// note that when wxUSE_STL_BASED_WXSTRING == 1 the comparison operators taking
// std::string are used and defining them also for wxString would only result
// in compilation ambiguities when comparing std::string and wxString
#if !wxUSE_STL_BASED_WXSTRING
inline bool operator==(const wxString& s1, const wxString& s2)
{ return (s1.Len() == s2.Len()) && (s1.Cmp(s2) == 0); }
inline bool operator==(const wxString& s1, const wxChar * s2)
{ return s1.Cmp(s2) == 0; }
inline bool operator==(const wxChar * s1, const wxString& s2)
{ return s2.Cmp(s1) == 0; }
inline bool operator!=(const wxString& s1, const wxString& s2)
{ return (s1.Len() != s2.Len()) || (s1.Cmp(s2) != 0); }
inline bool operator!=(const wxString& s1, const wxChar * s2)
{ return s1.Cmp(s2) != 0; }
inline bool operator!=(const wxChar * s1, const wxString& s2)
{ return s2.Cmp(s1) != 0; }
inline bool operator< (const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) < 0; }
inline bool operator< (const wxString& s1, const wxChar * s2)
{ return s1.Cmp(s2) < 0; }
inline bool operator< (const wxChar * s1, const wxString& s2)
{ return s2.Cmp(s1) > 0; }
inline bool operator> (const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) > 0; }
inline bool operator> (const wxString& s1, const wxChar * s2)
{ return s1.Cmp(s2) > 0; }
inline bool operator> (const wxChar * s1, const wxString& s2)
{ return s2.Cmp(s1) < 0; }
inline bool operator<=(const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) <= 0; }
inline bool operator<=(const wxString& s1, const wxChar * s2)
{ return s1.Cmp(s2) <= 0; }
inline bool operator<=(const wxChar * s1, const wxString& s2)
{ return s2.Cmp(s1) >= 0; }
inline bool operator>=(const wxString& s1, const wxString& s2)
{ return s1.Cmp(s2) >= 0; }
inline bool operator>=(const wxString& s1, const wxChar * s2)
{ return s1.Cmp(s2) >= 0; }
inline bool operator>=(const wxChar * s1, const wxString& s2)
{ return s2.Cmp(s1) <= 0; }
#if wxUSE_UNICODE
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 (s2.Cmp((const wchar_t *)s1) == 0); }
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 (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 (s2.Cmp((const char *)s1) == 0); }
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 (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
#endif // !wxUSE_STL_BASED_WXSTRING
// comparison with char (those are not defined by std::[w]string and so should
// be always available)
inline bool operator==(const wxUniChar& c, const wxString& s) { return s.IsSameAs(c); }
inline bool operator==(const wxUniCharRef& c, const wxString& s) { return s.IsSameAs(c); }
inline bool operator==(char c, const wxString& s) { return s.IsSameAs(c); }
inline bool operator==(wchar_t c, const wxString& s) { return s.IsSameAs(c); }
inline bool operator==(int c, const wxString& s) { return s.IsSameAs(c); }
inline bool operator==(const wxString& s, const wxUniChar& c) { return s.IsSameAs(c); }
inline bool operator==(const wxString& s, const wxUniCharRef& c) { return s.IsSameAs(c); }
inline bool operator==(const wxString& s, char c) { return s.IsSameAs(c); }
inline bool operator==(const wxString& s, wchar_t c) { return s.IsSameAs(c); }
inline bool operator!=(const wxUniChar& c, const wxString& s) { return !s.IsSameAs(c); }
inline bool operator!=(const wxUniCharRef& c, const wxString& s) { return !s.IsSameAs(c); }
inline bool operator!=(char c, const wxString& s) { return !s.IsSameAs(c); }
inline bool operator!=(wchar_t c, const wxString& s) { return !s.IsSameAs(c); }
inline bool operator!=(int c, const wxString& s) { return !s.IsSameAs(c); }
inline bool operator!=(const wxString& s, const wxUniChar& c) { return !s.IsSameAs(c); }
inline bool operator!=(const wxString& s, const wxUniCharRef& c) { return !s.IsSameAs(c); }
inline bool operator!=(const wxString& s, char c) { return !s.IsSameAs(c); }
inline bool operator!=(const wxString& s, wchar_t c) { return !s.IsSameAs(c); }
// comparison with C string in Unicode build
#if wxUSE_UNICODE
inline bool operator==(const wxString& s1, const char* s2)
{ return s1 == wxString(s2); }
inline bool operator==(const char* s1, const wxString& s2)
{ return wxString(s1) == s2; }
inline bool operator!=(const wxString& s1, const char* s2)
{ return s1 != wxString(s2); }
inline bool operator!=(const char* s1, const wxString& s2)
{ return wxString(s1) != s2; }
inline bool operator< (const wxString& s1, const char* s2)
{ return s1 < wxString(s2); }
inline bool operator< (const char* s1, const wxString& s2)
{ return wxString(s1) < s2; }
inline bool operator> (const wxString& s1, const char* s2)
{ return s1 > wxString(s2); }
inline bool operator> (const char* s1, const wxString& s2)
{ return wxString(s1) > s2; }
inline bool operator<=(const wxString& s1, const char* s2)
{ return s1 <= wxString(s2); }
inline bool operator<=(const char* s1, const wxString& s2)
{ return wxString(s1) <= s2; }
inline bool operator>=(const wxString& s1, const char* s2)
{ return s1 >= wxString(s2); }
inline bool operator>=(const char* s1, const wxString& s2)
{ return wxString(s1) >= s2; }
#endif // wxUSE_UNICODE
// ---------------------------------------------------------------------------
// Implementation only from here until the end of file
// ---------------------------------------------------------------------------
// don't pollute the library user's name space
#undef wxASSERT_VALID_INDEX
#if wxUSE_STD_IOSTREAM
#include "wx/iosfwrap.h"
WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&);
WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxCStrData&);
#endif // wxSTD_STRING_COMPATIBILITY
// ---------------------------------------------------------------------------
// wxCStrData implementation
// ---------------------------------------------------------------------------
inline wxCStrData::wxCStrData(char *buf)
: m_str(new wxString(buf)), m_offset(0), m_owned(true) {}
inline wxCStrData::wxCStrData(wchar_t *buf)
: m_str(new wxString(buf)), m_offset(0), m_owned(true) {}
inline wxCStrData::~wxCStrData()
{
if ( m_owned )
delete m_str;
}
#if wxUSE_UNICODE
inline const wchar_t* wxCStrData::AsWChar() const
#else
inline const char* wxCStrData::AsChar() const
#endif
{
if ( m_offset == 0 )
return m_str->wx_str(); // FIXME
else
return (const wxChar*)(m_str->begin() + m_offset);
}
inline wxString wxCStrData::AsString() const
{
if ( m_offset == 0 )
return *m_str;
else
return m_str->Mid(m_offset);
}
inline wxCStrData::operator wxString() const { return AsString(); }
inline wxUniChar wxCStrData::operator*() const
{
if ( m_str->empty() )
return wxUniChar(_T('\0'));
else
return (*m_str)[m_offset];
}
inline wxUniChar wxCStrData::operator[](size_t n) const
{
return m_str->at(m_offset + n);
}
// ----------------------------------------------------------------------------
// implementation of wxString inline methods using wxCStrData
// ----------------------------------------------------------------------------
inline wxString& wxString::operator=(const wxCStrData& cstr)
{
return *this = cstr.AsString();
}
// ----------------------------------------------------------------------------
// implementation of wx[W]CharBuffer inline methods using wxCStrData
// ----------------------------------------------------------------------------
#if wxUSE_UNICODE
inline wxWCharBuffer::wxWCharBuffer(const wxCStrData& cstr)
: m_str(wxStrdupW(cstr))
{
}
#else // !wxUSE_UNICODE
inline wxCharBuffer::wxCharBuffer(const wxCStrData& cstr)
: m_str(wxStrdupA(cstr))
{
}
#endif // wxUSE_UNICODE/!wxUSE_UNICODE
#endif // _WX_WXSTRINGH__
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