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Greenall, Rurik T.
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Computas AS
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25 January 2017
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19 May 2017
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## Abstract
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JavaScript Object Notation for Linked-Data patching (JSON-LD-PATCH) defines a document structure for expressing a sequence of operations to apply to an existing linked data resource; it is suitable for use with the HTTP PATCH method. The "application/ldpatch+json" media type is used to identify such patch documents
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"value": "Dobbin",
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"datatype": "http://www.w3.org/2001/XMLSchema#string"
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}
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}
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]
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```
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## EBNF for JSON-LD-PATCH
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TBD |
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\ No newline at end of file |
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## ANTLR4 (almost EBNF) for JSON-LD-PATCH
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[Full grammar source](../src/grammar.g4)
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```
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parseJSON : patch EOF ;
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patch : statement | statementList ;
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statementList : '[' statement ( SEP statement )* ']';
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statement : '{' declaration '}' ;
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declaration : op_jobj SEP s_jobj SEP p_jobj SEP o_jobj
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| op_jobj SEP s_jobj SEP o_jobj SEP p_jobj
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| op_jobj SEP p_jobj SEP s_jobj SEP o_jobj
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| op_jobj SEP p_jobj SEP o_jobj SEP s_jobj
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| op_jobj SEP o_jobj SEP s_jobj SEP p_jobj
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| op_jobj SEP o_jobj SEP p_jobj SEP s_jobj
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| s_jobj SEP op_jobj SEP p_jobj SEP o_jobj
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| s_jobj SEP op_jobj SEP o_jobj SEP p_jobj
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| s_jobj SEP p_jobj SEP op_jobj SEP o_jobj
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| s_jobj SEP p_jobj SEP o_jobj SEP op_jobj
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| s_jobj SEP o_jobj SEP op_jobj SEP p_jobj
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| s_jobj SEP o_jobj SEP p_jobj SEP op_jobj
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| p_jobj SEP op_jobj SEP s_jobj SEP o_jobj
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| p_jobj SEP op_jobj SEP o_jobj SEP s_jobj
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| p_jobj SEP s_jobj SEP op_jobj SEP o_jobj
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| p_jobj SEP s_jobj SEP o_jobj SEP op_jobj
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| p_jobj SEP o_jobj SEP op_jobj SEP s_jobj
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| p_jobj SEP o_jobj SEP s_jobj SEP op_jobj
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| o_jobj SEP op_jobj SEP s_jobj SEP p_jobj
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| o_jobj SEP op_jobj SEP p_jobj SEP s_jobj
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| o_jobj SEP s_jobj SEP op_jobj SEP p_jobj
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| o_jobj SEP s_jobj SEP p_jobj SEP op_jobj
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| o_jobj SEP p_jobj SEP op_jobj SEP s_jobj
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| o_jobj SEP p_jobj SEP s_jobj SEP op_jobj
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;
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op_jobj : OP ':' OPERATION ;
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s_jobj : S ':' ( JSONURI | BLANKNODE ) ;
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p_jobj : P ':' JSONURI ;
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o_jobj : O ':' ( JSONURI
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| BLANKNODE
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| typedstring
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| langstring )
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;
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jsonuri : JSONURI ;
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typedstring : '{' VALUE ':' STRING SEP TYPE ':' JSONURI '}' ;
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langstring : '{' VALUE ':' in1=STRING SEP LANG ':' in2=STRING '}' ;
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string : STRING ;
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number : NUMBER ;
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plainliteral : ( string | number ) ;
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VALUE : '"value"' ;
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TYPE : '"datatype"' ;
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LANG : '"lang"' ;
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SEP : ',' ;
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OP : '"op"' ;
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S : '"s"' ;
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P : '"p"' ;
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O : '"o"' ;
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OPERATION : ( ADD | DEL ) ;
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BLANKNODE : '"_:' UNQUOTED_STRING '"' ;
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JSONURI : '"' HTTP ( PN_CHARS | '.' | ':' | '/' | '\\' | '#' | '@' | '%' | '&' | UCHAR )+ '"' ;
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STRING : '"' UNQUOTED_STRING '"' ;
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NUMBER
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: '-'? INT '.' [0-9]+ EXP?
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| '-'? INT EXP
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| '-'? INT
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;
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WS : [ \t\r\n]+ -> skip ;
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fragment ADD : '"add"' ;
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fragment DEL : '"del"' ;
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fragment UNQUOTED_STRING : ( ESC | ~["\\] )* ;
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fragment ESC : '\\' ["\\/bfnrt] | UNICODE ;
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fragment HTTP : ('http' 's'? | 'HTTP' 'S'?) '://' ;
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fragment UCHAR : UNICODE | '\\U' HEX HEX HEX HEX HEX HEX HEX HEX;
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fragment PN_CHARS_BASE : 'A'..'Z'
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| 'a'..'z'
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| '\u00C0'..'\u00D6'
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| '\u00D8'..'\u00F6'
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| '\u00F8'..'\u02FF'
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| '\u0370'..'\u037D'
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| '\u037F'..'\u1FFF'
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| '\u200C'..'\u200D'
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| '\u2070'..'\u218F'
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| '\u2C00'..'\u2FEF'
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| '\u3001'..'\uD7FF'
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| '\uF900'..'\uFDCF'
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| '\uFDF0'..'\uFFFD'
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;
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fragment PN_CHARS_U : PN_CHARS_BASE | '_';
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fragment PN_CHARS : PN_CHARS_U | '-' | [0-9] | '\u00B7' | [\u0300-\u036F] | [\u203F-\u2040];
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fragment HEX : [0-9] | [A-F] | [a-f];
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fragment UNICODE : '\\u' HEX HEX HEX HEX ;
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fragment INT : '0' | [1-9] [0-9]* ;
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fragment EXP : [Ee] [+\-]? INT ;
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``` |
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\ No newline at end of file |
