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use flags::*; use types::*; use value::*; use nom::{be_i8, be_u8, be_i16, be_u16, be_i32, be_u32, be_i64, be_u64, be_f32, be_f64, IResult}; pub fn parse_raw_value(i: &[u8], amqp_type: AMQPType) -> IResult<&[u8], AMQPValue> { match amqp_type { AMQPType::Boolean => map!(i, call!(parse_boolean), |b| AMQPValue::Boolean(b)), AMQPType::ShortShortInt => map!(i, call!(parse_short_short_int), |i| AMQPValue::ShortShortInt(i)), AMQPType::ShortShortUInt => map!(i, call!(parse_short_short_uint), |u| AMQPValue::ShortShortUInt(u)), AMQPType::ShortInt => map!(i, call!(parse_short_int), |i| AMQPValue::ShortInt(i)), AMQPType::ShortUInt => map!(i, call!(parse_short_uint), |u| AMQPValue::ShortUInt(u)), AMQPType::LongInt => map!(i, call!(parse_long_int), |i| AMQPValue::LongInt(i)), AMQPType::LongUInt => map!(i, call!(parse_long_uint), |u| AMQPValue::LongUInt(u)), AMQPType::LongLongInt => map!(i, call!(parse_long_long_int), |i| AMQPValue::LongLongInt(i)), AMQPType::LongLongUInt => map!(i, call!(parse_long_long_uint), |u| AMQPValue::LongLongUInt(u)), AMQPType::Float => map!(i, call!(parse_float), |f| AMQPValue::Float(f)), AMQPType::Double => map!(i, call!(parse_double), |d| AMQPValue::Double(d)), AMQPType::DecimalValue => map!(i, call!(parse_decimal_value), |d| AMQPValue::DecimalValue(d)), AMQPType::ShortString => map!(i, call!(parse_short_string), |s| AMQPValue::ShortString(s)), AMQPType::LongString => map!(i, call!(parse_long_string), |s| AMQPValue::LongString(s)), AMQPType::FieldArray => map!(i, call!(parse_field_array), |a| AMQPValue::FieldArray(a)), AMQPType::Timestamp => map!(i, call!(parse_timestamp), |t| AMQPValue::Timestamp(t)), AMQPType::FieldTable => map!(i, call!(parse_field_table), |t| AMQPValue::FieldTable(t)), AMQPType::Void => value!(i, AMQPValue::Void), } } named!(pub parse_value<AMQPValue>, do_parse!(amqp_type: call!(parse_type) >> value: apply!(parse_raw_value, amqp_type) >> (value))); named!(pub parse_type<AMQPType>, map_opt!(be_u8, |t| AMQPType::from_id(t as char))); named!(pub parse_boolean<Boolean>, map!(be_u8, |b| b != 0)); named!(pub parse_short_short_int<ShortShortInt>, call!(be_i8)); named!(pub parse_short_short_uint<ShortShortUInt>, call!(be_u8)); named!(pub parse_short_int<ShortInt>, call!(be_i16)); named!(pub parse_short_uint<ShortUInt>, call!(be_u16)); named!(pub parse_long_int<LongInt>, call!(be_i32)); named!(pub parse_long_uint<LongUInt>, call!(be_u32)); named!(pub parse_long_long_int<LongLongInt>, call!(be_i64)); named!(pub parse_long_long_uint<LongLongUInt>, call!(be_u64)); named!(pub parse_float<Float>, call!(be_f32)); named!(pub parse_double<Double>, call!(be_f64)); named!(pub parse_decimal_value<DecimalValue>, do_parse!(scale: parse_short_short_uint >> value: parse_long_uint >> (DecimalValue { scale: scale, value: value, }))); named!(pub parse_short_string<ShortString>, do_parse!(length: parse_short_short_uint >> s: take_str!(length) >> (s.to_string()))); named!(pub parse_long_string<LongString>, do_parse!(length: parse_long_uint >> s: take_str!(length) >> (s.to_string()))); named!(pub parse_field_array<FieldArray>, do_parse!(length: parse_long_int >> array: flat_map!(take!(length as usize), fold_many0!(parse_value, FieldArray::new(), |mut acc: FieldArray, elem| { acc.push(elem); acc })) >> (array))); named!(pub parse_timestamp<Timestamp>, call!(parse_long_long_uint)); named!(pub parse_field_table<FieldTable>, do_parse!(length: parse_long_uint >> table: flat_map!(take!(length as usize), fold_many0!(complete!(pair!(parse_short_string, parse_value)), FieldTable::new(), |mut acc: FieldTable, (key, value)| { acc.insert(key, value); acc })) >> (table))); pub fn parse_flags<'a, 'b>(i: &'a [u8], names: &'b Vec<&'b str>) -> IResult<&'a [u8], AMQPFlags> { map!(i, take!((names.len() + 7)/8), |b: &[u8]| AMQPFlags::from_bytes(names, b.to_vec())) } #[cfg(test)] mod test { use super::*; use nom::IResult; const EMPTY: &'static [u8] = b""; #[test] fn test_parse_value() { assert_eq!(parse_value(&[84, 42, 42, 42, 42, 42, 42, 42, 42]), IResult::Done(EMPTY, AMQPValue::Timestamp(3038287259199220266))); assert_eq!(parse_value(&[83, 0, 0, 0, 4, 116, 101, 115, 116]), IResult::Done(EMPTY, AMQPValue::LongString("test".to_string()))); } #[test] fn test_parse_raw_value() { assert_eq!(parse_raw_value(&[42, 42, 42, 42, 42, 42, 42, 42], AMQPType::Timestamp), IResult::Done(EMPTY, AMQPValue::Timestamp(3038287259199220266))); assert_eq!(parse_raw_value(&[0, 0, 0, 4, 116, 101, 115, 116], AMQPType::LongString), IResult::Done(EMPTY, AMQPValue::LongString("test".to_string()))); } #[test] fn test_parse_type() { assert_eq!(parse_type(&[116]), IResult::Done(EMPTY, AMQPType::Boolean)); assert_eq!(parse_type(&[102]), IResult::Done(EMPTY, AMQPType::Float)); } #[test] fn test_parse_boolean() { assert_eq!(parse_boolean(&[0]), IResult::Done(EMPTY, false)); assert_eq!(parse_boolean(&[1]), IResult::Done(EMPTY, true)); } #[test] fn test_parse_short_short_int() { assert_eq!(parse_short_short_int(&[0]), IResult::Done(EMPTY, 0)); assert_eq!(parse_short_short_int(&[255]), IResult::Done(EMPTY, -1)); } #[test] fn test_parse_short_short_uint() { assert_eq!(parse_short_short_uint(&[0]), IResult::Done(EMPTY, 0)); assert_eq!(parse_short_short_uint(&[255]), IResult::Done(EMPTY, 255)); } #[test] fn test_parse_short_int() { assert_eq!(parse_short_int(&[0, 0]), IResult::Done(EMPTY, 0)); assert_eq!(parse_short_int(&[255, 255]), IResult::Done(EMPTY, -1)); } #[test] fn test_parse_short_uint() { assert_eq!(parse_short_uint(&[0, 0]), IResult::Done(EMPTY, 0)); assert_eq!(parse_short_uint(&[255, 255]), IResult::Done(EMPTY, 65535)); } #[test] fn test_parse_long_int() { assert_eq!(parse_long_int(&[0, 0, 0, 0]), IResult::Done(EMPTY, 0)); assert_eq!(parse_long_int(&[255, 255, 255, 255]), IResult::Done(EMPTY, -1)); } #[test] fn test_parse_long_uint() { assert_eq!(parse_long_uint(&[0, 0, 0, 0]), IResult::Done(EMPTY, 0)); assert_eq!(parse_long_uint(&[255, 255, 255, 255]), IResult::Done(EMPTY, 4294967295)); } #[test] fn test_parse_long_long_int() { assert_eq!(parse_long_long_int(&[0, 0, 0, 0, 0, 0, 0, 0]), IResult::Done(EMPTY, 0)); assert_eq!(parse_long_long_int(&[255, 255, 255, 255, 255, 255, 255, 255]), IResult::Done(EMPTY, -1)); } #[test] fn test_parse_long_long_uint() { assert_eq!(parse_long_long_uint(&[0, 0, 0, 0, 0, 0, 0, 0]), IResult::Done(EMPTY, 0)); assert_eq!(parse_long_long_uint(&[255, 255, 255, 255, 255, 255, 255, 255]), IResult::Done(EMPTY, 18446744073709551615)); } #[test] fn test_parse_float() { assert_eq!(parse_float(&[0, 0, 0, 0]), IResult::Done(EMPTY, 0.)); assert_eq!(parse_float(&[66, 41, 174, 20]), IResult::Done(EMPTY, 42.42)); } #[test] fn test_parse_double() { assert_eq!(parse_double(&[0, 0, 0, 0, 0, 0, 0, 0]), IResult::Done(EMPTY, 0.)); assert_eq!(parse_double(&[64, 69, 53, 194, 143, 92, 40, 246]), IResult::Done(EMPTY, 42.42)); } #[test] fn test_parse_decimal_value() { assert_eq!(parse_decimal_value(&[0, 0, 0, 0, 0]), IResult::Done(EMPTY, DecimalValue { scale: 0, value: 0 })); assert_eq!(parse_decimal_value(&[255, 255, 255, 255, 255]), IResult::Done(EMPTY, DecimalValue { scale: 255, value: 4294967295 })); } #[test] fn test_parse_short_string() { assert_eq!(parse_short_string(&[0]), IResult::Done(EMPTY, ShortString::new())); assert_eq!(parse_short_string(&[4, 116, 101, 115, 116]), IResult::Done(EMPTY, "test".to_string())); } #[test] fn test_parse_long_string() { assert_eq!(parse_long_string(&[0, 0, 0, 0]), IResult::Done(EMPTY, LongString::new())); assert_eq!(parse_long_string(&[0, 0, 0, 4, 116, 101, 115, 116]), IResult::Done(EMPTY, "test".to_string())); } #[test] fn test_parse_field_array() { assert_eq!(parse_field_array(&[0, 0, 0, 0]), IResult::Done(EMPTY, FieldArray::new())); assert_eq!(parse_field_array(&[0, 0, 0, 7, 115, 4, 116, 101, 115, 116, 86]), IResult::Done(EMPTY, vec![AMQPValue::ShortString("test".to_string()), AMQPValue::Void])); } #[test] fn test_parse_timestamp() { assert_eq!(parse_timestamp(&[0, 0, 0, 0, 0, 0, 0, 0]), IResult::Done(EMPTY, 0)); assert_eq!(parse_timestamp(&[255, 255, 255, 255, 255, 255, 255, 255]), IResult::Done(EMPTY, 18446744073709551615)); } #[test] fn test_parse_field_table() { let mut table = FieldTable::new(); table.insert("test".to_string(), AMQPValue::ShortString("test".to_string())); table.insert("tt".to_string(), AMQPValue::Void); assert_eq!(parse_field_table(&[0, 0, 0, 0]), IResult::Done(EMPTY, FieldTable::new())); assert_eq!(parse_field_table(&[0, 0, 0, 15, 4, 116, 101, 115, 116, 115, 4, 116, 101, 115, 116, 2, 116, 116, 86]), IResult::Done(EMPTY, table)); } #[test] fn test_parse_flags() { let mut flags = AMQPFlags::new(); let mut names = Vec::new(); names.push("a"); flags.add_flag("a".to_string(), true); names.push("b"); flags.add_flag("b".to_string(), false); names.push("c"); flags.add_flag("c".to_string(), true); names.push("d"); flags.add_flag("d".to_string(), true); assert_eq!(parse_flags(&[0b00001101], &names), IResult::Done(EMPTY, flags.clone())); names.push("e"); flags.add_flag("e".to_string(), true); names.push("f"); flags.add_flag("f".to_string(), false); names.push("g"); flags.add_flag("g".to_string(), true); names.push("h"); flags.add_flag("h".to_string(), true); names.push("i"); flags.add_flag("i".to_string(), false); names.push("j"); flags.add_flag("j".to_string(), true); assert_eq!(parse_flags(&[0b11011101, 0b00000010], &names), IResult::Done(EMPTY, flags)); } }