bool ParameterAsBoolean ( const DataVect& parameters, const FMX_UInt32 which, const bool default_value )
{
try {
return parameters.AtAsBoolean ( which );
} catch ( exception& e ) {
return default_value;
}
}
FMX_PROC(errcode) BE_WriteTextToFile ( short /* funcId */, const ExprEnv& /* environment */, const DataVect& data_vect, Data& results)
{
errcode error_result = kNoError;
try {
WStringAutoPtr file = ParameterAsWideString ( data_vect, 0 );
basic_path<wstring, wpath_traits> path = *file;
// should the text be appended to the file or replace any existing contents
ios_base::openmode mode = ios_base::trunc;
if ( data_vect.Size() == 3 ) {
bool append = data_vect.AtAsBoolean ( 2 );
if ( append ) {
mode = ios_base::app;
}
}
StringAutoPtr text_to_write = ParameterAsUTF8String ( data_vect, 1 );
try {
basic_path<wstring, wpath_traits> filesystem_path ( path );
boost::filesystem::ofstream output_file ( filesystem_path, ios_base::out | mode );
output_file.exceptions ( boost::filesystem::ofstream::badbit | boost::filesystem::ofstream::failbit );
output_file << *text_to_write;
output_file.close();
} catch ( basic_filesystem_error<wpath> e ) {
error_result = e.code().value();
} catch ( exception e ) {
error_result = errno; // unable to write to the file
}
SetNumericResult ( error_result, results );
} catch ( bad_alloc e ) {
error_result = kLowMemoryError;
} catch ( exception e ) {
error_result = kErrorUnknown;
}
return error_result;
} // BE_WriteTextToFile
