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d__format

v0.0.4

Published

dformat helpers

Downloads

5

Readme

dformat

Yet another data format.

- normalizes data avoiding pyramid of doom; has visually inspectable format 

- is easily indexed

- presents data in a consistent idiom; has inherent anti-corruption checks with exact parsing instructions.

usage:

	var dformat = require('d__format.js');
	dformat.serialize(...);
	dformat.deserialize(...);

design:

Objects are converted into an intermediate meta form that models the object/properties as nested nodes. "Container models" of object and array are given id values. All models are given parentId values. Each property is broken out as a Type/Value/Name tuple, with graph location indicated by the parentId/id tuple.

layout:

	first line of the file: 
		number of objects
	
	
	each line is prefixed with length information about how to parse the line ie. [P,I,T,V,N]
	
	where:
			P is the parent id 
			I is the length of .id (only objects and arrays will set this) 
			T is the length of .type
			V is the length of .value
			N is the length of .name, if there is one

	
	these values are parsed into :
	{
		type : "undefined" |  "boolean" | "number" | "string" | "symbol" | "function" | "null" | "date" | "array"  | "empty" | "object"  
		value : the primitive value, or the id if .type === array or object
		name : the member name if it's a member
	}	
	
	eg.
	{
	  name: "zeus",
	  location : "olympus",
	  friends :[ 
	  {
		name : "hera",
		age : "how dare you ask?"
	  }]
	}
	
	encodes to:
	3__EOL__
	[0,1,6,0,0]|1|object||__EOL__
	[1,0,6,4,4]1||string|zeus|name__EOL__
	[1,0,6,7,8]1||string|olympus|location__EOL__
	[1,0,5,1,7]1||array|2|friends__EOL__
	[0,1,5,0,0]|2|array||__EOL__
	[1,0,6,1,0]2||object|3|__EOL__
	[0,1,6,0,0]|3|object||__EOL__
	[1,0,6,4,4]3||string|hera|name__EOL__
	[1,0,6,17,3]3||string|how dare you ask?|age