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@ -4,65 +4,64 @@
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typedef struct
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{
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b8 failed;
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String8 why;
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b8 failed;
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String8 why;
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} SerError;
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typedef struct
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{
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u8 *data; // set to 0 to dry run and get maximum size. max doesn't matter in this case
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u64 cur;
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u64 max;
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u8 *data; // set to 0 to dry run and get maximum size. max doesn't matter in this case
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u64 cur;
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u64 max;
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Arena *arena; // allocate everything new on this, so that if serialization fails allocations can be undone
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// Serializing should never allocate. So this can be null when you serialize
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Arena *arena; // allocate everything new on this, so that if serialization fails allocations can be undone
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// Serializing should never allocate. So this can be null when you serialize
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int version;
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SerError cur_error;
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Arena *error_arena; // all error messages are allocated here
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int version;
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SerError cur_error;
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Arena *error_arena; // all error messages are allocated here
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b8 serializing;
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b8 serializing;
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} SerState;
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void ser_bytes(SerState *ser, u8 *bytes, u64 bytes_size)
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{
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if(!ser->data && !ser->serializing)
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{
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ser->cur_error = (SerError){.failed = true, .why = S8Lit("Deserializing but the data is null")};
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}
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if(!ser->cur_error.failed)
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{
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if(ser->data)
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{
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// maximum doesn't matter unless writing to data
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if(ser->cur + bytes_size > ser->max)
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{
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ser->cur_error = (SerError){.failed = true, .why = S8Lit("Too big bro")};
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}
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else
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{
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if(ser->serializing)
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{
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memcpy(ser->data + ser->cur, bytes, bytes_size);
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}
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else
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if (!ser->data && !ser->serializing)
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{
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memcpy(bytes, ser->data + ser->cur, bytes_size);
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ser->cur_error = (SerError){.failed = true, .why = S8Lit("Deserializing but the data is null")};
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}
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}
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}
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if (!ser->cur_error.failed)
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{
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if (ser->data)
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{
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// maximum doesn't matter unless writing to data
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if (ser->cur + bytes_size > ser->max)
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{
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ser->cur_error = (SerError){.failed = true, .why = S8Lit("Too big bro")};
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}
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else
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{
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if (ser->serializing)
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{
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memcpy(ser->data + ser->cur, bytes, bytes_size);
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}
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else
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{
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memcpy(bytes, ser->data + ser->cur, bytes_size);
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}
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}
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}
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ser->cur += bytes_size;
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}
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ser->cur += bytes_size;
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}
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}
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#define SER_MAKE_FOR_TYPE(type) void ser_##type(SerState *ser, type *into) \
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{ \
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ser_bytes(ser, (u8*)into, sizeof(*into)); \
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}
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#define SER_MAKE_FOR_TYPE(type) \
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void ser_##type(SerState *ser, type *into) \
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{ \
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ser_bytes(ser, (u8 *)into, sizeof(*into)); \
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}
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SER_MAKE_FOR_TYPE(int);
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SER_MAKE_FOR_TYPE(u64);
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@ -71,15 +70,14 @@ SER_MAKE_FOR_TYPE(u64);
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// deserialized data onto a newly allocated buffer
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void ser_String8(SerState *ser, String8 *s, Arena *allocate_onto)
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{
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ser_u64(ser, &s->size);
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if(ser->serializing)
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{
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ser_bytes(ser, s->str, s->size);
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}
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else
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{
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s->str = ArenaPush(allocate_onto, s->size);
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ser_bytes(ser, s->str, s->size);
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}
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ser_u64(ser, &s->size);
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if (ser->serializing)
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{
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ser_bytes(ser, s->str, s->size);
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}
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else
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{
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s->str = ArenaPush(allocate_onto, s->size);
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ser_bytes(ser, s->str, s->size);
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}
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}
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