public CCodeFunction generate_enum_to_string_function(ValaEnum en)
{
var to_string_name = "%s_to_string".printf(get_ccode_lower_case_name(en, null));
var to_string_func = new CCodeFunction(to_string_name, "const char*");
to_string_func.add_parameter(new CCodeParameter("value", get_ccode_name(en)));
push_function(to_string_func);
ccode.add_declaration("const char *", new CCodeVariableDeclarator("str"));
ccode.open_switch(new CCodeIdentifier("value"));
foreach (EnumValue enum_value in en.get_values())
{
string dbus_value = get_dbus_value(enum_value, enum_value.name);
ccode.add_case(new CCodeIdentifier(get_ccode_name(enum_value)));
ccode.add_assignment(new CCodeIdentifier("str"), new CCodeConstant("\"%s\"".printf(dbus_value)));
ccode.add_break();
}
ccode.close();
ccode.add_return(new CCodeIdentifier("str"));
pop_function();
return(to_string_func);
}
public CCodeFunction generate_enum_from_string_function(ValaEnum en)
{
var from_string_name = "%s_from_string".printf(get_ccode_lower_case_name(en, null));
var from_string_func = new CCodeFunction(from_string_name, get_ccode_name(en));
from_string_func.add_parameter(new CCodeParameter("str", "const char*"));
from_string_func.add_parameter(new CCodeParameter("error", "GError**"));
push_function(from_string_func);
ccode.add_declaration(get_ccode_name(en), CCodeVariableDeclarator.zero("value", new CCodeConstant("0")));
bool firstif = true;
foreach (EnumValue enum_value in en.get_values())
{
string dbus_value = get_dbus_value(enum_value, enum_value.name);
var string_comparison = new CCodeFunctionCall(new CCodeIdentifier("strcmp"));
string_comparison.add_argument(new CCodeIdentifier("str"));
string_comparison.add_argument(new CCodeConstant("\"%s\"".printf(dbus_value)));
var cond = new CCodeBinaryExpression(CCodeBinaryOperator.EQUALITY, string_comparison, new CCodeConstant("0"));
if (firstif)
{
ccode.open_if(cond);
firstif = false;
}
else
{
ccode.else_if(cond);
}
ccode.add_assignment(new CCodeIdentifier("value"), new CCodeIdentifier(get_ccode_name(enum_value)));
}
ccode.add_else();
var set_error = new CCodeFunctionCall(new CCodeIdentifier("g_set_error"));
set_error.add_argument(new CCodeIdentifier("error"));
set_error.add_argument(new CCodeIdentifier("G_DBUS_ERROR"));
set_error.add_argument(new CCodeIdentifier("G_DBUS_ERROR_INVALID_ARGS"));
set_error.add_argument(new CCodeConstant("\"Invalid value for enum `%s'\"".printf(get_ccode_name(en))));
ccode.add_expression(set_error);
ccode.close();
ccode.add_return(new CCodeIdentifier("value"));
pop_function();
return(from_string_func);
}