Add wxInt64 support to wxText{Input,Output}Stream.

Add explicit Read64[S]() and Write64() methods.

Closes #14685.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76171 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/txtstrm.cpp

@@ -146,6 +146,21 @@ bool wxTextInputStream::EatEOL(const wxChar &c)
     return false;
 }
 
+wxUint64 wxTextInputStream::Read64(int base)
+{
+    wxASSERT_MSG( !base || (base > 1 && base <= 36), wxT("invalid base") );
+    if(!m_input) return 0;
+
+    wxString word = ReadWord();
+    if(word.empty())
+        return 0;
+
+    wxUint64 res;
+    if(!word.ToULongLong(&res, base))
+        return 0;
+    return res;
+}
+
 wxUint32 wxTextInputStream::Read32(int base)
 {
     wxASSERT_MSG( !base || (base > 1 && base <= 36), wxT("invalid base") );
@@ -167,6 +182,21 @@ wxUint8 wxTextInputStream::Read8(int base)
     return (wxUint8)Read32(base);
 }
 
+wxInt64 wxTextInputStream::Read64S(int base)
+{
+    wxASSERT_MSG( !base || (base > 1 && base <= 36), wxT("invalid base") );
+    if(!m_input) return 0;
+
+    wxString word = ReadWord();
+    if(word.empty())
+        return 0;
+
+    wxInt64 res;
+    if(!word.ToLongLong(&res, base))
+        return 0;
+    return res;
+}
+
 wxInt32 wxTextInputStream::Read32S(int base)
 {
     wxASSERT_MSG( !base || (base > 1 && base <= 36), wxT("invalid base") );
@@ -287,6 +317,12 @@ wxTextInputStream& wxTextInputStream::operator>>(wxInt32& i)
     return *this;
 }
 
+wxTextInputStream& wxTextInputStream::operator>>(wxInt64& i)
+{
+    i = (wxInt64)Read64();
+    return *this;
+}
+
 wxTextInputStream& wxTextInputStream::operator>>(wxUint16& i)
 {
     i = Read16();
@@ -299,6 +335,12 @@ wxTextInputStream& wxTextInputStream::operator>>(wxUint32& i)
     return *this;
 }
 
+wxTextInputStream& wxTextInputStream::operator>>(wxUint64& i)
+{
+    i = Read64();
+    return *this;
+}
+
 wxTextInputStream& wxTextInputStream::operator>>(double& i)
 {
     i = ReadDouble();
@@ -354,6 +396,14 @@ void wxTextOutputStream::SetMode(wxEOL mode)
     }
 }
 
+void wxTextOutputStream::Write64(wxUint64 i)
+{
+    wxString str;
+    str.Printf(wxT("%" wxLongLongFmtSpec "u"), (unsigned long long)i);
+
+    WriteString(str);
+}
+
 void wxTextOutputStream::Write32(wxUint32 i)
 {
     wxString str;
@@ -495,6 +545,13 @@ wxTextOutputStream& wxTextOutputStream::operator<<(wxInt32 c)
     return *this;
 }
 
+wxTextOutputStream& wxTextOutputStream::operator<<(wxInt64 c)
+{
+    WriteString(wxString::Format("%" wxLongLongFmtSpec "d", c));
+
+    return *this;
+}
+
 wxTextOutputStream& wxTextOutputStream::operator<<(wxUint16 c)
 {
     wxString str;
@@ -513,6 +570,13 @@ wxTextOutputStream& wxTextOutputStream::operator<<(wxUint32 c)
     return *this;
 }
 
+wxTextOutputStream& wxTextOutputStream::operator<<(wxUint64 c)
+{
+    WriteString(wxString::Format("%" wxLongLongFmtSpec "u", c));
+
+    return *this;
+}
+
 wxTextOutputStream &wxTextOutputStream::operator<<(double f)
 {
     WriteDouble(f);