// Licence: wxWindows license
///////////////////////////////////////////////////////////////////////////////
+/*
+ Efficient string class [more or less] compatible with MFC CString,
+ wxWindows version 1 wxString and std::string and some handy functions
+ missing from string.h.
+*/
+
#ifndef _WX_WXSTRINGH__
#define _WX_WXSTRINGH__
#ifdef __GNUG__
-#pragma interface "string.h"
+ #pragma interface "string.h"
#endif
+// ----------------------------------------------------------------------------
+// conditinal compilation
+// ----------------------------------------------------------------------------
+
+// compile the std::string compatibility functions if defined
+#define wxSTD_STRING_COMPATIBILITY
+
+// define to derive wxString from wxObject (deprecated!)
+#ifdef WXSTRING_IS_WXOBJECT
+ #undef WXSTRING_IS_WXOBJECT
+#endif
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
#ifdef __WXMAC__
#include <ctype.h>
#endif
+#ifdef __EMX__
+ #include <std.h>
+#endif
+
#include <string.h>
#include <stdio.h>
#include <stdarg.h>
#include <strings.h> // for strcasecmp()
#endif // AIX
-#ifndef WX_PRECOMP
- #include "wx/defs.h"
+#include "wx/defs.h" // everybody should include this
+#include "wx/debug.h" // for wxASSERT()
+#include "wx/wxchar.h" // for wxChar
+#include "wx/buffer.h" // for wxCharBuffer
+#include "wx/strconv.h" // for wxConvertXXX() macros and wxMBConv classes
+#ifndef WX_PRECOMP
#ifdef WXSTRING_IS_WXOBJECT
- #include "wx/object.h"
+ #include "wx/object.h" // base class
#endif
#endif // !PCH
-#include "wx/debug.h"
-#include "wx/wxchar.h"
-#include "wx/buffer.h"
-
-/*
- Efficient string class [more or less] compatible with MFC CString,
- wxWindows version 1 wxString and std::string and some handy functions
- missing from string.h.
-*/
-
// ---------------------------------------------------------------------------
// macros
// ---------------------------------------------------------------------------
-// compile the std::string compatibility functions if defined
-#define wxSTD_STRING_COMPATIBILITY
+// 'naughty' cast
+#define WXSTRINGCAST (wxChar *)(const wxChar *)
+#define wxCSTRINGCAST (wxChar *)(const wxChar *)
+#define wxMBSTRINGCAST (char *)(const char *)
+#define wxWCSTRINGCAST (wchar_t *)(const wchar_t *)
-// define to derive wxString from wxObject
-#ifdef WXSTRING_IS_WXOBJECT
-#undef WXSTRING_IS_WXOBJECT
-#endif
+// implementation only
+#define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) <= Len() )
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
// maximum possible length for a string means "take all string" everywhere
-// (as sizeof(StringData) is unknown here we substract 100)
+// (as sizeof(StringData) is unknown here, we substract 100)
const unsigned int wxSTRING_MAXLEN = UINT_MAX - 100;
-// 'naughty' cast
-#define WXSTRINGCAST (wxChar *)(const wxChar *)
-#define WXCSTRINGCAST (wxChar *)(const wxChar *)
-#define MBSTRINGCAST (char *)(const char *)
-#define WCSTRINGCAST (wchar_t *)(const wchar_t *)
+// ----------------------------------------------------------------------------
+// global data
+// ----------------------------------------------------------------------------
-// implementation only
-#define ASSERT_VALID_INDEX(i) wxASSERT( (unsigned)(i) <= Len() )
+// global pointer to empty string
+WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
// ---------------------------------------------------------------------------
-// Global functions complementing standard C string library replacements for
+// global functions complementing standard C string library replacements for
// strlen() and portable strcasecmp()
//---------------------------------------------------------------------------
-// USE wx* FUNCTIONS IN wx/wxchar.h INSTEAD - THIS IS ONLY FOR BINARY COMPATIBILITY
+
+// Use wxXXX() functions from wxchar.h instead! These functions are for
+// backwards compatibility only.
// checks whether the passed in pointer is NULL and if the string is empty
inline bool WXDLLEXPORT IsEmpty(const char *p) { return (!p || !*p); }
// portable strcasecmp/_stricmp
inline int WXDLLEXPORT Stricmp(const char *psz1, const char *psz2)
{
-#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) )
+#if defined(__VISUALC__) || ( defined(__MWERKS__) && defined(__INTEL__) )
return _stricmp(psz1, psz2);
-#elif defined(__SC__)
+#elif defined(__SC__)
return _stricmp(psz1, psz2);
-#elif defined(__SALFORDC__)
+#elif defined(__SALFORDC__)
return stricmp(psz1, psz2);
#elif defined(__BORLANDC__)
return stricmp(psz1, psz2);
#elif defined(__WATCOMC__)
return stricmp(psz1, psz2);
-#elif defined(__UNIX__) || defined(__GNUWIN32__)
+#elif defined(__EMX__)
+ return stricmp(psz1, psz2);
+#elif defined(__WXPM__)
+ return stricmp(psz1, psz2);
+#elif defined(__UNIX__) || defined(__GNUWIN32__)
return strcasecmp(psz1, psz2);
#elif defined(__MWERKS__) && !defined(__INTEL__)
register char c1, c2;
#endif // OS/compiler
}
-// ----------------------------------------------------------------------------
-// global data
-// ----------------------------------------------------------------------------
-
-WXDLLEXPORT_DATA(extern const wxChar*) wxEmptyString;
-
-// global pointer to empty string
-WXDLLEXPORT_DATA(extern const wxChar*) g_szNul;
-
// return an empty wxString
class WXDLLEXPORT wxString; // not yet defined
-inline const wxString& wxGetEmptyString() { return *(wxString *)&g_szNul; }
+inline const wxString& wxGetEmptyString() { return *(wxString *)&wxEmptyString; }
// ---------------------------------------------------------------------------
// 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 WXDLLEXPORT wxStringData
{
int nRefs; // reference count
bool IsValid() const { return (nRefs != 0); }
};
-// ---------------------------------------------------------------------------
-// types of multibyte<->Unicode conversions
-// ---------------------------------------------------------------------------
-#if wxUSE_WCHAR_T
-class WXDLLEXPORT wxMBConv
-{
- public:
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
- const wxWCharBuffer cMB2WC(const char *psz) const
- {
- if (psz) {
- size_t nLen = MB2WC((wchar_t *) NULL, psz, 0);
- wxWCharBuffer buf(nLen);
- MB2WC(WCSTRINGCAST buf, psz, nLen);
- return buf;
- } else return wxWCharBuffer((wchar_t *) NULL);
- }
- const wxCharBuffer cWC2MB(const wchar_t *psz) const
- {
- if (psz) {
- size_t nLen = WC2MB((char *) NULL, psz, 0);
- wxCharBuffer buf(nLen);
- WC2MB(MBSTRINGCAST buf, psz, nLen);
- return buf;
- } else return wxCharBuffer((char *) NULL);
- }
-#if wxUSE_UNICODE
- const wxWCharBuffer cMB2WX(const char *psz) const { return cMB2WC(psz); }
- const wxCharBuffer cWX2MB(const wchar_t *psz) const { return cWC2MB(psz); }
- const wchar_t* cWC2WX(const wchar_t *psz) const { return psz; }
- const wchar_t* cMB2WC(const wchar_t *psz) const { return psz; }
-#else
- const char* cMB2WX(const char *psz) const { return psz; }
- const char* cWX2MB(const char *psz) const { return psz; }
- const wxCharBuffer cWC2WX(const wchar_t *psz) const { return cWC2MB(psz); }
- const wxWCharBuffer cWX2WC(const char *psz) const { return cMB2WC(psz); }
-#endif
-};
-WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc;
-#define wxConv_libc wxConvLibc
-
-#define wxANOTHER_MBCONV(type) \
-class type : public wxMBConv { \
- public: \
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const; \
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const; \
-}
-
-WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvFile)) wxConvFile;
-#define wxConv_file wxConvFile
-WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvUTF7)) wxConvUTF7;
-WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvUTF8)) wxConvUTF8;
-#define wxConv_UTF8 wxConvUTF8
-#if defined(__WXGTK__) && (GTK_MINOR_VERSION > 0)
- WXDLLEXPORT_DATA(extern wxANOTHER_MBCONV(wxMBConvGdk)) wxConvGdk;
- #define wxConv_gdk wxConvGdk
-#endif // GTK > 1.0
-
-class wxCharacterSet;
-class WXDLLEXPORT wxCSConv : public wxMBConv
-{
- private:
- wxChar *m_name;
- wxCharacterSet *m_cset;
- bool m_deferred;
- void SetName(const wxChar *charset);
- public:
- wxCSConv(const wxChar *charset);
- virtual ~wxCSConv();
- void LoadNow();
- virtual size_t MB2WC(wchar_t *buf, const char *psz, size_t n) const;
- virtual size_t WC2MB(char *buf, const wchar_t *psz, size_t n) const;
-};
-
-WXDLLEXPORT_DATA(extern wxCSConv) wxConvLocal;
-#define wxConv_local wxConvLocal
-
-WXDLLEXPORT_DATA(extern wxMBConv *) wxConvCurrent;
-#define wxConv_current wxConvCurrent
-
-// filenames are multibyte on Unix and probably widechar on Windows?
-#if defined(__UNIX__) || defined(__BORLANDC__)
-#define wxMBFILES 1
-#else
-#define wxMBFILES 0
-#endif
-
-#if wxMBFILES
-#define wxFNCONV(name) wxConvFile.cWX2MB(name)
-#define FNSTRINGCAST MBSTRINGCAST
-#else
-#define wxFNCONV(name) name
-#define FNSTRINGCAST WXSTRINGCAST
-#endif
-#else//!wxUSE_WCHAR_T
-class WXDLLEXPORT wxMBConv {};
-WXDLLEXPORT_DATA(extern wxMBConv) wxConvLibc;
-#endif//wxUSE_WCHAR_T
-
// ---------------------------------------------------------------------------
// This is (yet another one) String class for C++ programmers. It doesn't use
// any of "advanced" C++ features (i.e. templates, exceptions, namespaces...)
// 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 *)g_szNul; }
+ void Init() { m_pchData = (wxChar *)wxEmptyString; }
// initializaes the string with (a part of) C-string
void InitWith(const wxChar *psz, size_t nPos = 0, size_t nLen = wxSTRING_MAXLEN);
// as Init, but also frees old data
// (default value of wxSTRING_MAXLEN means take all the string)
wxString(const wxChar *psz, size_t nLength = wxSTRING_MAXLEN)
{ InitWith(psz, 0, nLength); }
+
#if wxUSE_UNICODE
// from multibyte string
// (NB: nLength is right now number of Unicode characters, not
// from wxWCharBuffer (i.e. return from wxGetString)
wxString(const wxWCharBuffer& psz)
{ InitWith(psz, 0, wxSTRING_MAXLEN); }
-#else
+#else // ANSI
// from C string (for compilers using unsigned char)
wxString(const unsigned char* psz, size_t nLength = wxSTRING_MAXLEN)
{ InitWith((const char*)psz, 0, nLength); }
// from multibyte string
wxString(const char *psz, wxMBConv& WXUNUSED(conv), size_t nLength = wxSTRING_MAXLEN)
{ InitWith(psz, 0, nLength); }
+
#if wxUSE_WCHAR_T
// from wide (Unicode) string
wxString(const wchar_t *pwz);
-#endif
+#endif // !wxUSE_WCHAR_T
+
// from wxCharBuffer
wxString(const wxCharBuffer& psz)
{ InitWith(psz, 0, wxSTRING_MAXLEN); }
-#endif
+#endif // Unicode/ANSI
+
// dtor is not virtual, this class must not be inherited from!
~wxString() { GetStringData()->Unlock(); }
const wxChar* c_str() const { return m_pchData; }
// (and this with [wx]Printf()!)
const wxChar* wx_str() const { return m_pchData; }
- //
+ // identical to c_str()
const wxChar* GetData() const { return m_pchData; }
+
+ // conversions with (possible) format convertions: have to return a
+ // buffer with temporary data
#if wxUSE_UNICODE
const wxCharBuffer mb_str(wxMBConv& conv = wxConvLibc) const { return conv.cWC2MB(m_pchData); }
+ const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); }
+
const wxChar* wc_str(wxMBConv& WXUNUSED(conv) = wxConvLibc) const { return m_pchData; }
+
#if wxMBFILES
const wxCharBuffer fn_str() const { return mb_str(wxConvFile); }
-#else
+#else // !wxMBFILES
const wxChar* fn_str() const { return m_pchData; }
-#endif
-#else
- const wxChar* mb_str(wxMBConv& WXUNUSED(conv) = wxConvLibc ) const { return m_pchData; }
+#endif // wxMBFILES/!wxMBFILES
+#else // ANSI
+#if wxUSE_MULTIBYTE
+ const wxChar* mb_str(wxMBConv& WXUNUSED(conv) = wxConvLibc) const
+ { return m_pchData; }
+ const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); }
+#else // !mmultibyte
+ const wxChar* mb_str() const { return m_pchData; }
+ const wxWX2MBbuf mbc_str() const { return mb_str(); }
+#endif // multibyte/!multibyte
#if wxUSE_WCHAR_T
const wxWCharBuffer wc_str(wxMBConv& conv) const { return conv.cMB2WC(m_pchData); }
-#endif
+#endif // wxUSE_WCHAR_T
const wxChar* fn_str() const { return m_pchData; }
-#endif
- // for convenience
- const wxWX2MBbuf mbc_str() const { return mb_str(*wxConvCurrent); }
+#endif // Unicode/ANSI
// overloaded assignment
// from another wxString
#if wxUSE_UNICODE
// from wxWCharBuffer
wxString& operator=(const wxWCharBuffer& psz) { return operator=((const wchar_t *)psz); }
-#else
+#else // ANSI
// from another kind of C string
wxString& operator=(const unsigned char* psz);
#if wxUSE_WCHAR_T
#endif
// from wxCharBuffer
wxString& operator=(const wxCharBuffer& psz) { return operator=((const char *)psz); }
-#endif
+#endif // Unicode/ANSI
// string concatenation
// in place concatenation
// string comparison
// case-sensitive comparison (returns a value < 0, = 0 or > 0)
- int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); }
+ int Cmp(const wxChar *psz) const { return wxStrcmp(c_str(), psz); }
// same as Cmp() but not case-sensitive
- int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); }
+ int CmpNoCase(const wxChar *psz) const { return wxStricmp(c_str(), psz); }
// 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 signle character: returns TRUE if equal
+ bool IsSameAs(wxChar c, bool compareWithCase = TRUE) const
+ {
+ return (Len() == 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
// 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, wxChar chPad = _T(' '), bool bFromRight = TRUE);
+ wxString& Pad(size_t nCount, wxChar chPad = T(' '), bool bFromRight = TRUE);
// truncate string to given length
wxString& Truncate(size_t uiLen);
#ifdef wxSTD_STRING_COMPATIBILITY
// std::string compatibility functions
+ // standard types
+ typedef wxChar value_type;
+ typedef const value_type *const_iterator;
+
// an 'invalid' value for string index
static const size_t npos;
// return the maximum size of the string
size_t max_size() const { return wxSTRING_MAXLEN; }
// resize the string, filling the space with c if c != 0
- void resize(size_t nSize, wxChar ch = _T('\0'));
+ void resize(size_t nSize, wxChar ch = T('\0'));
// delete the contents of the string
void clear() { Empty(); }
// returns true if the string is empty
// returns the writable character at position n
wxChar& at(size_t n) { return GetWritableChar(n); }
+ // first valid index position
+ const_iterator begin() const { return wx_str(); }
+ // position one after the last valid one
+ const_iterator end() const { return wx_str() + length(); }
+
// lib.string.modifiers
// append a string
wxString& append(const wxString& str)
// find first/last occurence of any character in the set
- //
- size_t find_first_of(const wxString& str, size_t nStart = 0) const;
- //
+ // as strpbrk() but starts at nStart, returns npos if not found
+ size_t find_first_of(const wxString& 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;
// same as find(char, size_t)
- size_t find_first_of(wxChar c, size_t nStart = 0) const;
- //
- size_t find_last_of (const wxString& str, size_t nStart = npos) const;
- //
- size_t find_last_of (const wxChar* s, size_t nStart = npos) const;
- // same as rfind(char, size_t)
- size_t find_last_of (wxChar c, size_t nStart = npos) const;
+ size_t find_first_of(wxChar 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 wxString& 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;
+ // same as above
+ size_t find_last_of(wxChar c, size_t nStart = npos) const
+ { return rfind(c, nStart); }
// find first/last occurence of any character not in the set
- //
- size_t find_first_not_of(const wxString& str, size_t nStart = 0) const;
- //
- size_t find_first_not_of(const wxChar* s, size_t nStart = 0) const;
- //
+ // as strspn() (starting from nStart), returns npos on failure
+ size_t find_first_not_of(const wxString& 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;
+ // same as above
size_t find_first_not_of(wxChar ch, size_t nStart = 0) const;
- //
+ // as strcspn()
size_t find_last_not_of(const wxString& str, size_t nStart=npos) const;
- //
- size_t find_last_not_of(const wxChar* s, size_t nStart = npos) const;
- //
+ // same as above
+ size_t find_last_not_of(const wxChar* sz, size_t nStart = npos) const;
+ // same as above
size_t find_last_not_of(wxChar ch, size_t nStart = npos) const;
// All compare functions return -1, 0 or 1 if the [sub]string is less,
// so the original string may be safely deleted. When a string is retrieved
// from the array (operator[] or Item() method), a reference is returned.
// ----------------------------------------------------------------------------
+
class WXDLLEXPORT wxArrayString
{
public:
// ---------------------------------------------------------------------------
// wxString comparison functions: operator versions are always case sensitive
// ---------------------------------------------------------------------------
+
//
inline bool operator==(const wxString& s1, const wxString& s2) { return (s1.Cmp(s2) == 0); }
//
//
inline bool operator>=(const wxChar * s1, const wxString& s2) { return (s2.Cmp(s1) <= 0); }
+// comparison with char
+inline bool operator==(wxChar c, const wxString& s) { return s.IsSameAs(c); }
+inline bool operator==(const wxString& s, wxChar c) { return s.IsSameAs(c); }
+inline bool operator!=(wxChar c, const wxString& s) { return !s.IsSameAs(c); }
+inline bool operator!=(const wxString& s, wxChar c) { return !s.IsSameAs(c); }
+
+#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); }
+#else
+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
+
wxString WXDLLEXPORT operator+(const wxString& string1, const wxString& string2);
wxString WXDLLEXPORT operator+(const wxString& string, wxChar ch);
wxString WXDLLEXPORT operator+(wxChar ch, const wxString& string);
wxString WXDLLEXPORT operator+(const wxChar *psz, const wxString& string);
#if wxUSE_UNICODE
inline wxString WXDLLEXPORT operator+(const wxString& string, const wxWCharBuffer& buf)
-{ return string + (const wchar_t *)buf; }
+ { return string + (const wchar_t *)buf; }
inline wxString WXDLLEXPORT operator+(const wxWCharBuffer& buf, const wxString& string)
-{ return (const wchar_t *)buf + string; }
+ { return (const wchar_t *)buf + string; }
#else
inline wxString WXDLLEXPORT operator+(const wxString& string, const wxCharBuffer& buf)
-{ return string + (const char *)buf; }
+ { return string + (const char *)buf; }
inline wxString WXDLLEXPORT operator+(const wxCharBuffer& buf, const wxString& string)
-{ return (const char *)buf + string; }
+ { return (const char *)buf + string; }
#endif
// ---------------------------------------------------------------------------
// Implementation only from here until the end of file
// ---------------------------------------------------------------------------
-#ifdef wxSTD_STRING_COMPATIBILITY
+// don't pollute the library user's name space
+#undef ASSERT_VALID_INDEX
+
+#if defined(wxSTD_STRING_COMPATIBILITY) && wxUSE_STD_IOSTREAM
#include "wx/ioswrap.h"
projects / wxWidgets.git / blobdiff