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Added wxStringBufferLength: works like wxStringBuffer, except

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it calls UngetWriteBuffer(size_t) instead of UngetWriteBuffer().


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22094 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Mattia Barbon 2003-07-18 20:08:47 +00:00
parent bd5206ddbc
commit 941b78cc1d
1 changed files with 83 additions and 0 deletions
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83
include/wx/string.h
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@ -1031,6 +1031,62 @@ public:
// wxStringBuffer: a tiny class allowing to get a writable pointer into string
// ----------------------------------------------------------------------------
#if wxUSE_STL
class WXDLLIMPEXP_BASE wxStringBuffer
{
public:
wxStringBuffer(wxString& str, size_t lenWanted = 1024)
: m_str(str), m_buf(lenWanted), m_len(lenWanted)
{ }
~wxStringBuffer() { m_str.assign(m_buf.data(), m_len); }
operator wxChar*() { return m_buf.data(); }
private:
wxString& m_str;
#if wxUSE_UNICODE
wxWCharBuffer m_buf;
#else
wxCharBuffer m_buf;
#endif
size_t m_len;
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
class WXDLLIMPEXP_BASE wxStringBuffer
{
public:
@ -1049,6 +1105,33 @@ private:
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.GetWriteBuf(lenWanted); }
~wxStringBufferLength()
{
wxASSERT(m_lenSet);
m_str.UngetWriteBuf(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
// ---------------------------------------------------------------------------
// wxString comparison functions: operator versions are always case sensitive
// ---------------------------------------------------------------------------