| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| ******************************************************************************/ |
| lexer grammar UriLexer; |
| |
| //;============================================================================== |
| // Mode "DEFAULT_MODE": Processes everything before the first '?' char. |
| // On '?' the next mode "MODE_QUERY" is used. |
| // The percent encoding rules are defined in RFC3986; ABNF rule "path-rootless" applies. |
| //;============================================================================== |
| QM : '?' -> pushMode(MODE_QUERY); //first query parameter |
| AMP : '&' -> pushMode(MODE_QUERY); //more query parameters |
| STRING : '\'' -> more, pushMode(MODE_STRING); //reads up to next single ' |
| QUOTATION_MARK : ('\u0022' | '%22') -> more, pushMode(MODE_JSON_STRING); //reads up to next unescaped " |
| SEARCH_INLINE : '$search' -> pushMode(MODE_SYSTEM_QUERY_SEARCH); // |
| FRAGMENT : '#' -> pushMode(MODE_FRAGMENT); // |
| |
| GEOGRAPHY : G E O G R A P H Y SQUOTE -> pushMode(MODE_ODATA_GEO); //TODO make case insensitive |
| GEOMETRY : G E O M E T R Y SQUOTE -> pushMode(MODE_ODATA_GEO); |
| |
| //Letters for case insensitivity |
| fragment A : 'A'|'a'; |
| fragment B : 'B'|'b'; |
| fragment D : 'D'|'d'; |
| fragment E : 'E'|'e'; |
| fragment F : 'F'|'f'; |
| fragment G : 'G'|'g'; |
| fragment H : 'H'|'h'; |
| fragment I : 'I'|'i'; |
| fragment L : 'L'|'l'; |
| fragment M : 'M'|'m'; |
| fragment N : 'N'|'n'; |
| fragment O : 'O'|'o'; |
| fragment P : 'P'|'p'; |
| fragment R : 'R'|'r'; |
| fragment S : 'S'|'s'; |
| fragment T : 'T'|'t'; |
| fragment U : 'U'|'u'; |
| fragment Y : 'Y'|'y'; |
| fragment Z : 'Z'|'z'; |
| |
| //special chars |
| OPEN : '(' | '%28'; |
| CLOSE : ')' | '%29'; |
| COMMA : ',' | '%2C'; |
| SLASH : '/'; |
| POINT : '.'; |
| AT : '@'; |
| EQ : '=' ; |
| STAR : '*'; |
| SEMI : ';' | '%3b'; |
| COLON : ':'; |
| |
| EQ_sq : '=' -> type(EQ); |
| AMP_sq : '&' -> type(AMP), popMode; |
| fragment WS : ( ' ' | '%09' | '%20' | '%09' ); |
| WSP : WS+; |
| |
| //JSON support |
| BEGIN_OBJECT : WS* ( '{' / '%7B' ) WS*; |
| END_OBJECT : WS* ( '}' / '%7D' ) WS*; |
| |
| BEGIN_ARRAY : WS* ( '[' / '%5B' ) WS*; |
| END_ARRAY : WS* ( ']' / '%5D' ) WS*; |
| |
| |
| //alpha stuff |
| fragment ALPHA : 'a'..'z' | 'A'..'Z'; |
| fragment ALPHA_A_TO_F : 'a'..'f' | 'A'..'F'; |
| fragment DIGIT : '0'..'9'; |
| fragment DIGITS : DIGIT+; |
| fragment HEXDIG : DIGIT | ALPHA_A_TO_F; |
| fragment ODI_LEADINGCHARACTER : ALPHA | '_'; //TODO; add Unicode characters from the categories L or Nl |
| fragment ODI_CHARACTER : ALPHA | '_' | DIGIT; //TODO; add Unicode characters from the categories L, Nl, Nd, Mn, Mc, Pc, or Cf |
| |
| //helper for date/time values |
| fragment ONE_TO_NINE : '1'..'9'; |
| fragment ZERO_TO_FIFTYNINE : ('0'..'5') DIGIT; |
| fragment FRACTIONALSECONDS : DIGIT+; |
| fragment SECOND : ZERO_TO_FIFTYNINE; |
| fragment MINUTE : ZERO_TO_FIFTYNINE; |
| fragment HOUR : ('0' | '1') DIGIT | '2' ( '0'..'3'); |
| fragment DAY : '0' '1'..'9' | ('1'|'2') DIGIT | '3' ('0'|'1'); |
| fragment MONTH : '0' ONE_TO_NINE | '1' ( '0' | '1' | '2' ); |
| fragment YEAR : ('-')? ( '0' DIGIT DIGIT DIGIT | ONE_TO_NINE DIGIT DIGIT DIGIT ); |
| |
| //tags starting with $ |
| BATCH : '$batch'; |
| ENTITY : '$entity'; |
| METADATA : '$metadata'; |
| |
| ALL : '$all'; |
| CROSSJOIN : '$crossjoin'; |
| |
| VALUE : '$value'; |
| REF : '$ref'; |
| COUNT : '$count'; |
| |
| //inlined query parameters ( e.g. $skip) |
| TOP_I : '$top' -> type(TOP); |
| SKIP_I : '$skip' -> type(SKIP); |
| FILTER_I : '$filter' -> type(FILTER); |
| ORDERBY_I: '$orderby' -> type(ORDERBY); |
| SELECT_I : '$select' -> type(SELECT); |
| EXPAND_I : '$expand' -> type(EXPAND); |
| LEVELS_I : '$levels' -> type(LEVELS); |
| MAX: 'max'; |
| |
| ROOT : '$root/'; |
| |
| //rest |
| NULLVALUE : 'null'; |
| |
| TRUE : 'true'; |
| FALSE : 'false'; |
| BOOLEAN : T R U E | F A L S E; |
| PLUS : '+'; |
| |
| MINUS : '-'; |
| SIGN : PLUS | '%2B' | '-'; |
| INT : SIGN? DIGITS; |
| DECIMAL : INT '.' DIGITS (('e'|'E') SIGN? DIGITS)?; |
| NANINFINITY : 'NaN' | '-INF' | 'INF'; |
| //primary types |
| BINARY : B I N A R Y SQUOTE (HEXDIG HEXDIG)* SQUOTE; |
| DATE : YEAR '-' MONTH '-' DAY; |
| DATETIMEOFFSET : YEAR '-' MONTH '-' DAY T HOUR ':' MINUTE ( ':' SECOND ( '.' FRACTIONALSECONDS )? )? ( Z | SIGN HOUR ':' MINUTE ); |
| fragment DUSECONDFRAG : DIGITS ('.' DIGITS)? 'S'; |
| fragment DUTIMEFRAG : 'T' ( |
| ( DIGITS 'H' (DIGITS 'M')? DUSECONDFRAG?) |
| | (DIGITS 'M' DUSECONDFRAG?) |
| | DUSECONDFRAG |
| ); |
| fragment DUDAYTIMEFRAG : DIGITS 'D' DUTIMEFRAG? | DUTIMEFRAG; |
| DURATION : D U R A T I O N SQUOTE '-'? 'P' DUDAYTIMEFRAG SQUOTE; |
| TIMEOFDAY : HOUR ':' MINUTE ( ':' SECOND ( '.' FRACTIONALSECONDS )? )?; |
| fragment GUIDVALUE : HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG'-' |
| HEXDIG HEXDIG HEXDIG HEXDIG '-' |
| HEXDIG HEXDIG HEXDIG HEXDIG '-' |
| HEXDIG HEXDIG HEXDIG HEXDIG '-' |
| HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG HEXDIG; |
| GUID : GUIDVALUE; |
| |
| //expression tokens |
| ASC : 'asc'; |
| DESC : 'desc'; |
| MUL : 'mul'; |
| DIV : 'div'; |
| MOD : 'mod'; |
| HAS : 'has'; |
| |
| ADD : 'add'; |
| SUB : 'sub'; |
| |
| ANY_LAMDA : 'any'; |
| ALL_LAMDA : 'all'; |
| |
| GT : 'gt'; |
| GE : 'ge'; |
| LT : 'lt'; |
| LE : 'le'; |
| ISOF : 'isof'; |
| |
| EQ_ALPHA : 'eq'; |
| NE : 'ne'; |
| |
| AND : 'and'; |
| OR : 'or'; |
| |
| |
| NOT : 'not'; |
| |
| |
| IT : '$it'; |
| ITSLASH : '$it/'; |
| LEVELS : '$levels'; |
| |
| CONTAINS_WORD : 'contains('; |
| STARTSWITH_WORD : 'startswith('; |
| ENDSWITH_WORD : 'endswith('; |
| LENGTH_WORD : 'length('; |
| INDEXOF_WORD : 'indexof('; |
| SUBSTRING_WORD : 'substring('; |
| TOLOWER_WORD : 'tolower('; |
| TOUPPER_WORD : 'toupper('; |
| TRIM_WORD : 'trim('; |
| CONCAT_WORD : 'concat('; |
| YEAR_WORD : 'year('; |
| MONTH_WORD : 'month('; |
| DAY_WORD : 'day('; |
| HOUR_WORD : 'hour('; |
| MINUTE_WORD : 'minute('; |
| SECOND_WORD : 'second('; |
| FRACTIONALSECONDS_WORD : 'fractionalseconds('; |
| TOTALSECONDS_WORD : 'totalseconds('; |
| DATE_WORD : 'date('; |
| TIME_WORD : 'time('; |
| TOTALOFFSETMINUTES_WORD : 'totaloffsetminutes('; |
| |
| MINDATETIME_WORD : 'mindatetime('; |
| MAXDATETIME_WORD : 'maxdatetime('; |
| NOW_WORD : 'now('; |
| |
| ROUND_WORD : 'round('; |
| FLOOR_WORD : 'floor('; |
| CEILING_WORD : 'ceiling('; |
| |
| GEO_DISTANCE_WORD : 'geo.distance('; |
| GEO_LENGTH_WORD : 'geo.length('; |
| GEO_INTERSECTS_WORD : 'geo.intersects('; |
| ISOF_WORD : 'isof('; |
| CAST_WORD : 'cast('; |
| |
| COLLECTION_REF : 'Collection($ref)'; |
| COLLECTION_ENTITY_TYPE : 'Collection(Edm.EntityType)'; |
| COLLECTION_COMPLEX_TYPE : 'Collection(Edm.ComplexType)'; |
| COLLECTION : 'Collection(' -> type(COLLECTION); |
| |
| //used in fragment only |
| DELETED_ENTITY : '$deletedEntity'; |
| LINK : '$link'; |
| DELETED_LINK : '$deletedLink'; |
| DELTA : '$delta'; |
| |
| ODATAIDENTIFIER : ODI_LEADINGCHARACTER (ODI_CHARACTER)*; |
| |
| //handle characters that failed to match any other token |
| ERROR_CHARACTER : .; |
| |
| //;============================================================================== |
| // Mode "QUERY": Processes everything between the first '?' and the '#' char. |
| // On '?' the next mode "FRAGMENT" is used. |
| // The percent encoding rules are defined in RFC3986; ABNF rule "query" applies. |
| mode MODE_QUERY; |
| //;============================================================================== |
| |
| FRAGMENT_q : '#' -> type(FRAGMENT); |
| FILTER : '$filter' -> pushMode(DEFAULT_MODE); |
| ORDERBY : '$orderby' -> pushMode(DEFAULT_MODE); |
| EXPAND : '$expand' -> pushMode(DEFAULT_MODE); |
| SELECT : '$select' -> pushMode(DEFAULT_MODE); |
| SKIP : '$skip' -> pushMode(DEFAULT_MODE); |
| SKIPTOKEN : '$skiptoken' -> pushMode(MODE_SYSTEM_QUERY_REST); |
| TOP : '$top' -> pushMode(DEFAULT_MODE); |
| LEVELS_q : '$levels' -> type(LEVELS), pushMode(DEFAULT_MODE); |
| FORMAT : '$format' -> pushMode(MODE_SYSTEM_QUERY_PCHAR); |
| COUNT_q : '$count' -> type(COUNT), pushMode(DEFAULT_MODE); |
| REF_q : '$ref' -> type(REF); |
| VALUE_q : '$value' -> type(VALUE); |
| ID : '$id' -> pushMode(MODE_SYSTEM_QUERY_REST); |
| SEARCH : '$search' -> pushMode(MODE_SYSTEM_QUERY_SEARCH); |
| |
| EQ_q : '=' -> type(EQ); |
| AMP_q : '&' -> type(AMP); |
| |
| AT_Q : '@' -> pushMode(DEFAULT_MODE); |
| |
| CUSTOMNAME : ~[&=@$] ~[&=]* -> pushMode(MODE_SYSTEM_QUERY_REST); |
| |
| //handle characters that failed to match any other token |
| ERROR_CHARACTER_q : .; |
| |
| //;============================================================================== |
| mode MODE_SYSTEM_QUERY_PCHAR; |
| //;============================================================================== |
| |
| AMP_sqp : '&' -> type(AMP), popMode; |
| |
| fragment ALPHA_sqp : 'a'..'z'|'A'..'Z'; |
| fragment A_TO_F_sqp : 'a'..'f'|'A'..'F'; |
| fragment DIGIT_sqp : '0'..'9'; |
| fragment HEXDIG_sqp : DIGIT_sqp | A_TO_F_sqp; |
| fragment PCT_ENCODED_sqp : '%' HEXDIG_sqp HEXDIG_sqp; |
| fragment SUB_DELIMS_sqp : '$' | /*'&' |*/ '\'' | EQ_sqp | OTHER_DELIMS_sqp; |
| fragment OTHER_DELIMS_sqp : '!' | '(' | ')' | '*' | '+' | ',' | ';'; |
| fragment UNRESERVED_sqp : ALPHA_sqp | DIGIT_sqp | '-' |'.' | '_' | '~'; |
| fragment PCHAR : UNRESERVED_sqp | PCT_ENCODED_sqp | SUB_DELIMS_sqp | ':' | '@'; |
| fragment PCHARSTART : UNRESERVED_sqp | PCT_ENCODED_sqp | '$' | /*'&' |*/ '\'' | OTHER_DELIMS_sqp | ':' | '@'; |
| |
| ATOM : [Aa][Tt][Oo][Mm]; |
| JSON : [Jj][Ss][Oo][Nn]; |
| XML : [Xx][Mm][Ll]; |
| |
| PCHARS : PCHARSTART PCHAR*; |
| |
| SLASH_sqp : '/' -> type(SLASH); |
| EQ_sqp : '=' -> type(EQ); |
| FRAGMENT_sqp : '#' -> type(FRAGMENT), pushMode(MODE_FRAGMENT); |
| |
| //handle characters that failed to match any other token |
| ERROR_CHARACTER_sqp : .; |
| |
| //;============================================================================== |
| mode MODE_FRAGMENT; |
| // Read the remaining characters of a URI queryparameter up to an & or # |
| // character. |
| //;============================================================================== |
| |
| REST_F : ~('\r'|'\n')* -> type(REST), popMode; |
| |
| //;============================================================================== |
| mode MODE_SYSTEM_QUERY_REST; |
| // Read the remaining characters of a URI queryparameter up to an & or # |
| // character. |
| //;============================================================================== |
| |
| AMP_sqr : '&' -> type(AMP), popMode; |
| FRAGMENT_sqr : '#' -> type(FRAGMENT), popMode; |
| |
| EQ_sqr : '=' -> type(EQ); |
| REST : ~[&#=] ~[&#]*; |
| |
| //;============================================================================== |
| mode MODE_SYSTEM_QUERY_SEARCH; |
| //;============================================================================== |
| |
| NOT_sqc : 'NOT' -> type(NOT); |
| AND_sqc : 'AND' -> type(AND); |
| OR_sqc : 'OR' -> type(OR); |
| EQ_sqc : '=' -> type(EQ); |
| |
| fragment WS_sqc : ( ' ' | '\u0009' | '%20' | '%09' ); |
| WSP_sqc : WS_sqc+ -> type(WSP); |
| |
| QUOTATION_MARK_sqc : '\u0022' | '%22'; |
| |
| SEARCHWORD : ('a'..'z'|'A'..'Z')+; |
| SEARCHPHRASE : QUOTATION_MARK_sqc ~["]* QUOTATION_MARK_sqc -> popMode; |
| |
| //;============================================================================== |
| mode MODE_STRING; |
| // Reads the remaining characters up to an ' character. |
| // Any "'" characters inside a string are expressed as double "''". |
| //;============================================================================== |
| |
| STRING_s : ('\'\'' | ~[\u0027] )* '\'' -> type(STRING), popMode; |
| |
| //;============================================================================== |
| mode MODE_JSON_STRING; |
| // Reads the remaining characters up to an " character. |
| // Any """ characters inside a string are escaped with "\". |
| //;============================================================================== |
| |
| STRING_IN_JSON : ('\\"' | ~[\u0022] )* ('"' | '%22') -> popMode; |
| |
| //;============================================================================== |
| mode MODE_ODATA_GEO; |
| //;============================================================================== |
| |
| fragment C_ : 'c'|'C'; |
| fragment D_ : 'd'|'D'; |
| fragment E_ : 'e'|'E'; |
| fragment G_ : 'g'|'G'; |
| fragment H_ : 'h'|'H'; |
| fragment I_ : 'i'|'I'; |
| fragment L_ : 'l'|'L'; |
| fragment M_ : 'm'|'M'; |
| fragment N_ : 'n'|'N'; |
| fragment O_ : 'o'|'O'; |
| fragment P_ : 'p'|'P'; |
| fragment R_ : 'r'|'R'; |
| fragment S_ : 's'|'S'; |
| fragment T_ : 't'|'T'; |
| fragment U_ : 'u'|'U'; |
| fragment Y_ : 'y'|'Y'; |
| |
| fragment SP_g : ' ';//'\u0020'; // a simple space |
| fragment WS_g : ( ' ' | '%20' | '%09' ); |
| |
| OPEN_g : ('(' | '%28') -> type(OPEN); |
| CLOSE_g : (')' | '%29') -> type(CLOSE); |
| COMMA_g : (',' | '%2C') -> type(COMMA); |
| WSP_g : WS_g+ -> type(WSP); |
| POINT_g : '.' -> type(POINT); |
| AT_g : '@' -> type(AT); |
| SEMI_g : (';' | '%3B') -> type(SEMI); |
| EQ_g : '=' -> type(EQ); |
| |
| fragment DIGIT_g : '0'..'9'; |
| fragment DIGITS_g : DIGIT_g+; |
| SIGN_g : ('+' | '%2B' |'-') -> type(SIGN); |
| INT_g : SIGN_g? DIGITS_g -> type(INT); |
| DECIMAL_g : 'SS' INT_g '.' DIGITS_g (('e'|'E') SIGN_g? DIGITS_g)? -> type(DECIMAL); |
| COLLECTION_g : C_ O_ L_ L_ E_ C_ T_ I_ O_ N_ -> type(COLLECTION); |
| LINESTRING : L_ I_ N_ E_ S_ T_ R_ I_ N_ G_ ; |
| MULTILINESTRING : M_ U_ L_ T_ I_ L_ I_ N_ E_ S_ T_ R_ I_ N_ G_; |
| MULTIPOINT : M_ U_ L_ T_ I_ P_ O_ I_ N_ T_ ; |
| MULTIPOLYGON : M_ U_ L_ T_ I_ P_ O_ L_ Y_ G_ O_ N_; |
| GEO_POINT : P_ O_ I_ N_ T_; |
| POLYGON : P_ O_ L_ Y_ G_ O_ N_ ; |
| |
| SRID : S_ R_ I_ D_; |
| |
| SQUOTE : '\'' -> popMode; |
