diff options
Diffstat (limited to 'src/libstd/serialization.rs')
| -rw-r--r-- | src/libstd/serialization.rs | 126 |
1 files changed, 118 insertions, 8 deletions
diff --git a/src/libstd/serialization.rs b/src/libstd/serialization.rs index c0f71d067c4..64208c0af48 100644 --- a/src/libstd/serialization.rs +++ b/src/libstd/serialization.rs @@ -1,12 +1,122 @@ -#[doc = "Support code for serialization. - -Deprecated in favor of core::serialization."]; +#[doc = "Support code for serialization."]; use core; -import list::list; -import ebml::writer; -import core::serialization::{serializer,deserializer}; +/* +Core serialization interfaces. +*/ + +iface serializer { + // Primitive types: + fn emit_nil(); + fn emit_uint(v: uint); + fn emit_u64(v: u64); + fn emit_u32(v: u32); + fn emit_u16(v: u16); + fn emit_u8(v: u8); + fn emit_int(v: int); + fn emit_i64(v: i64); + fn emit_i32(v: i32); + fn emit_i16(v: i16); + fn emit_i8(v: i8); + fn emit_bool(v: bool); + fn emit_float(v: float); + fn emit_f64(v: f64); + fn emit_f32(v: f32); + fn emit_str(v: str); + + // Compound types: + fn emit_enum(name: str, f: fn()); + fn emit_enum_variant(v_name: str, v_id: uint, sz: uint, f: fn()); + fn emit_enum_variant_arg(idx: uint, f: fn()); + fn emit_vec(len: uint, f: fn()); + fn emit_vec_elt(idx: uint, f: fn()); + fn emit_box(f: fn()); + fn emit_uniq(f: fn()); + fn emit_rec(f: fn()); + fn emit_rec_field(f_name: str, f_idx: uint, f: fn()); + fn emit_tup(sz: uint, f: fn()); + fn emit_tup_elt(idx: uint, f: fn()); +} + +iface deserializer { + // Primitive types: + fn read_nil() -> (); + + fn read_uint() -> uint; + fn read_u64() -> u64; + fn read_u32() -> u32; + fn read_u16() -> u16; + fn read_u8() -> u8; + + fn read_int() -> int; + fn read_i64() -> i64; + fn read_i32() -> i32; + fn read_i16() -> i16; + fn read_i8() -> i8; + + + fn read_bool() -> bool; + + fn read_str() -> str; + + fn read_f64() -> f64; + fn read_f32() -> f32; + fn read_float() -> float; + + // Compound types: + fn read_enum<T:copy>(name: str, f: fn() -> T) -> T; + fn read_enum_variant<T:copy>(f: fn(uint) -> T) -> T; + fn read_enum_variant_arg<T:copy>(idx: uint, f: fn() -> T) -> T; + fn read_vec<T:copy>(f: fn(uint) -> T) -> T; + fn read_vec_elt<T:copy>(idx: uint, f: fn() -> T) -> T; + fn read_box<T:copy>(f: fn() -> T) -> T; + fn read_uniq<T:copy>(f: fn() -> T) -> T; + fn read_rec<T:copy>(f: fn() -> T) -> T; + fn read_rec_field<T:copy>(f_name: str, f_idx: uint, f: fn() -> T) -> T; + fn read_tup<T:copy>(sz: uint, f: fn() -> T) -> T; + fn read_tup_elt<T:copy>(idx: uint, f: fn() -> T) -> T; +} + +// ___________________________________________________________________________ +// Helper routines +// +// In some cases, these should eventually be coded as traits. + +fn emit_from_vec<S: serializer, T>(s: S, v: [T], f: fn(T)) { + s.emit_vec(vec::len(v)) {|| + vec::iteri(v) {|i,e| + s.emit_vec_elt(i) {|| + f(e) + } + } + } +} + +fn read_to_vec<D: deserializer, T>(d: D, f: fn() -> T) -> [T] { + d.read_vec {|len| + vec::from_fn(len) {|i| + d.read_vec_elt(i) {|| f() } + } + } +} + +impl serializer_helpers<S: serializer> for S { + fn emit_from_vec<T>(v: [T], f: fn(T)) { + emit_from_vec(self, v, f) + } +} + +impl deserializer_helpers<D: deserializer> for D { + fn read_to_vec<T>(f: fn() -> T) -> [T] { + read_to_vec(self, f) + } +} + +fn serialize_uint<S: serializer>(s: S, v: uint) { + s.emit_uint(v); +} -export serializer; -export deserializer; +fn deserialize_uint<D: deserializer>(d: D) -> uint { + d.read_uint() +} |
