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Optimize UnescapeString slightly to avoid repeated wxString::at calls

This commit is contained in:
Marek Roszko 2021-06-27 00:54:52 -04:00
parent b924c85f80
commit ff2190630e
1 changed files with 11 additions and 8 deletions
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19
common/string.cpp
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@ -218,33 +218,36 @@ wxString UnescapeString( const wxString& aSource )
for( size_t i = 0; i < sourceLen; ++i )
{
if( ( aSource[i] == '$' || aSource[i] == '^' || aSource[i] == '_' )
wxUniChar ch = aSource[i];
if( ( ch == '$' || ch == '^' || ch == '_' )
&& i + 1 < sourceLen && aSource[i+1] == '{' )
{
for( ; i < sourceLen; ++i )
{
newbuf += aSource[i];
ch = aSource[i];
newbuf += ch;
if( aSource[i] == '}' )
if( ch == '}' )
break;
}
}
else if( aSource[i] == '{' )
else if( ch == '{' )
{
wxString token;
int depth = 1;
for( i = i + 1; i < sourceLen; ++i )
{
if( aSource[i] == '{' )
ch = aSource[i];
if( ch == '{' )
depth++;
else if( aSource[i] == '}' )
else if( ch == '}' )
depth--;
if( depth <= 0 )
break;
else
token.append( aSource[i] );
token.append( ch );
}
if( token == wxS( "dblquote" ) ) newbuf.append( wxS( "\"" ) );
@ -268,7 +271,7 @@ wxString UnescapeString( const wxString& aSource )
}
else
{
newbuf.append( aSource[i] );
newbuf.append( ch );
}
}