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RESO RCP-019

ANTLR 4 implementation of the RESO RCP-019 grammar, with backwards-compatibility support for RETS 1.9 Validation Expressions.

20180506 - using the included rcp019.g4 file, the following expressions should parse:

  • Basic arithmetic
    3 + 5

  • Bracketed RETSNAMEs
    [ListPrice] > 0

  • RCP61 added support for unbracketed RETSNAMEs
    ListPrice > 0

  • To get current value of any field, just use the DICTNAME of that field
    ListPrice

  • RETS had support for the LAST keyword, which now works on all fields
    to get the old value
    LAST Status != "Sold"

  • Which is useful for field change detection
    ListPrice != LAST ListPrice

  • Function calls are also supported, as long as they don't use
    any of the RETSNAME keywords
    foo()
    foo ('bar', 'baz', 42)

  • Lists of expressions are also supported
    (ListPrice, Status, 3+5, LAST Status, (1, 2, 3))

  • Supports complex expressions with grouping
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. (Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin")

  • Which parses differently than
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin"

20190304 - added collection support

  • RCP-019.1 added support for collections which include LIST() and SET(). These functions take 0 or more items. Backwards compatibility with the previous list syntax of () has been preserved.
ExpressionResultComments
LIST(1, 2, 2, 3)LIST(1, 2, 2, 3Duplicate items are preserved.
SET(1, 2, 2, 3)SET(1, 2, 3)Duplicate items are removed.
  • RCP-019.1 also added support for DIFFERENCE(), INTERSECTION(), and UNION(), which are intended to produce types in the following manner:
    • Operations on homogeneous collections of LIST() or SET() should return LIST() or SET(), respectively. For example, UNION(LIST('a', 'b', 3+5), LIST(6)) should return LIST('a', 'b', 6, 8).
    • Operations on heterogenous collections of LIST() or SET(), for instance DIFFERENCE(LIST(1, 2, 3), SET(3)) should return LIST().

These special functions require at least two arguments of type LIST() or SET()

ExpressionResultComments
DIFFERENCE(LIST(1, 2, 3), LIST(1, 2))LIST(3)Collection operators require two or more LIST() or SET() arguments.
UNION(LIST(1, 2), SET(3))LIST(1, 2, 3)Arguments of type LIST() are converted to SET().
INTERSECTION(SET(DIFFERENCE(LIST(1, 2, 3), SET(1))), SET(2))SET(2)Since the return type of collection operators is SET() or LIST(), they can be composed.

About

ANTLR 4 implementation of the RESO RCP-019 grammar, with RETS 1.9 VE support.

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try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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RESO RCP-019
ANTLR 4 implementation of the RESO RCP-019 grammar, with backwards-compatibility support for RETS 1.9 Validation Expressions.
20180506 - using the included rcp019.g4 file, the following expressions should parse:
  • Basic arithmetic
    3 + 5
  • Bracketed RETSNAMEs
    [ListPrice] > 0
  • RCP61 added support for unbracketed RETSNAMEs
    ListPrice > 0
  • To get current value of any field, just use the DICTNAME of that field
    ListPrice
  • RETS had support for the LAST keyword, which now works on all fields
    
to get the old value
    LAST Status != "Sold"
  • Which is useful for field change detection
    ListPrice != LAST ListPrice
  • Function calls are also supported, as long as they don't use
    
any of the RETSNAME keywords
    foo()
    foo ('bar', 'baz', 42)
  • Lists of expressions are also supported
    (ListPrice, Status, 3+5, LAST Status, (1, 2, 3))
  • Supports complex expressions with grouping
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. (Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin")
  • Which parses differently than
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin"
20190304 - added collection support
  • RCP-019.1 added support for collections which include LIST() and SET().
These functions take 0 or more items. Backwards compatibility with the previous list syntax of () has been preserved.
ExpressionResultComments
LIST(1, 2, 2, 3)LIST(1, 2, 2, 3Duplicate items are preserved.
SET(1, 2, 2, 3)SET(1, 2, 3)Duplicate items are removed.
  • RCP-019.1 also added support for DIFFERENCE(), INTERSECTION(), and UNION(),
which are intended to produce types in the following manner:

    • Operations on homogeneous collections of LIST() or SET() should
return LIST() or SET(), respectively. For example,
UNION(LIST('a', 'b', 3+5), LIST(6)) should return LIST('a', 'b', 6, 8).
    • Operations on heterogenous collections of LIST() or SET(), for
instance DIFFERENCE(LIST(1, 2, 3), SET(3)) should return LIST().
These special functions require at least two arguments of type LIST() or SET()
ExpressionResultComments
DIFFERENCE(LIST(1, 2, 3), LIST(1, 2))LIST(3)Collection operators require two or more LIST() or SET() arguments.
UNION(LIST(1, 2), SET(3))LIST(1, 2, 3)Arguments of type LIST() are converted to SET().
INTERSECTION(SET(DIFFERENCE(LIST(1, 2, 3), SET(1))), SET(2))SET(2)Since the return type of collection operators is SET() or LIST(), they can be composed.
About
ANTLR 4 implementation of the RESO RCP-019 grammar, with RETS 1.9 VE support.
Resources
Readme
MIT license
Activity
Stars
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Watchers
1 watching
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2 forks
Report repository
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var style = document.createElement('style');
style.textContent = '
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color-scheme: dark light;
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RESO RCP-019
ANTLR 4 implementation of the RESO RCP-019 grammar, with backwards-compatibility support for RETS 1.9 Validation Expressions.
20180506 - using the included rcp019.g4 file, the following expressions should parse:
  • Basic arithmetic
    3 + 5
  • Bracketed RETSNAMEs
    [ListPrice] > 0
  • RCP61 added support for unbracketed RETSNAMEs
    ListPrice > 0
  • To get current value of any field, just use the DICTNAME of that field
    ListPrice
  • RETS had support for the LAST keyword, which now works on all fields
    
to get the old value
    LAST Status != "Sold"
  • Which is useful for field change detection
    ListPrice != LAST ListPrice
  • Function calls are also supported, as long as they don't use
    
any of the RETSNAME keywords
    foo()
    foo ('bar', 'baz', 42)
  • Lists of expressions are also supported
    (ListPrice, Status, 3+5, LAST Status, (1, 2, 3))
  • Supports complex expressions with grouping
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. (Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin")
  • Which parses differently than
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin"
20190304 - added collection support
  • RCP-019.1 added support for collections which include LIST() and SET().
These functions take 0 or more items. Backwards compatibility with the previous list syntax of () has been preserved.
ExpressionResultComments
LIST(1, 2, 2, 3)LIST(1, 2, 2, 3Duplicate items are preserved.
SET(1, 2, 2, 3)SET(1, 2, 3)Duplicate items are removed.
  • RCP-019.1 also added support for DIFFERENCE(), INTERSECTION(), and UNION(),
which are intended to produce types in the following manner:

    • Operations on homogeneous collections of LIST() or SET() should
return LIST() or SET(), respectively. For example,
UNION(LIST('a', 'b', 3+5), LIST(6)) should return LIST('a', 'b', 6, 8).
    • Operations on heterogenous collections of LIST() or SET(), for
instance DIFFERENCE(LIST(1, 2, 3), SET(3)) should return LIST().
These special functions require at least two arguments of type LIST() or SET()
ExpressionResultComments
DIFFERENCE(LIST(1, 2, 3), LIST(1, 2))LIST(3)Collection operators require two or more LIST() or SET() arguments.
UNION(LIST(1, 2), SET(3))LIST(1, 2, 3)Arguments of type LIST() are converted to SET().
INTERSECTION(SET(DIFFERENCE(LIST(1, 2, 3), SET(1))), SET(2))SET(2)Since the return type of collection operators is SET() or LIST(), they can be composed.
About
ANTLR 4 implementation of the RESO RCP-019 grammar, with RETS 1.9 VE support.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
2 forks
Report repository
Releases
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
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span.className = 'userscript-highlight';
span.textContent = part;
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} else if (node.nodeType === 1 && node.childNodes) { // element
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if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
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highlight(document.body);
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mutations.forEach(function(m) {
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} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
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Repository files navigation
RESO RCP-019
ANTLR 4 implementation of the RESO RCP-019 grammar, with backwards-compatibility support for RETS 1.9 Validation Expressions.
20180506 - using the included rcp019.g4 file, the following expressions should parse:
  • Basic arithmetic
    3 + 5
  • Bracketed RETSNAMEs
    [ListPrice] > 0
  • RCP61 added support for unbracketed RETSNAMEs
    ListPrice > 0
  • To get current value of any field, just use the DICTNAME of that field
    ListPrice
  • RETS had support for the LAST keyword, which now works on all fields
    
to get the old value
    LAST Status != "Sold"
  • Which is useful for field change detection
    ListPrice != LAST ListPrice
  • Function calls are also supported, as long as they don't use
    
any of the RETSNAME keywords
    foo()
    foo ('bar', 'baz', 42)
  • Lists of expressions are also supported
    (ListPrice, Status, 3+5, LAST Status, (1, 2, 3))
  • Supports complex expressions with grouping
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. (Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin")
  • Which parses differently than
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin"
20190304 - added collection support
  • RCP-019.1 added support for collections which include LIST() and SET().
These functions take 0 or more items. Backwards compatibility with the previous list syntax of () has been preserved.
ExpressionResultComments
LIST(1, 2, 2, 3)LIST(1, 2, 2, 3Duplicate items are preserved.
SET(1, 2, 2, 3)SET(1, 2, 3)Duplicate items are removed.
  • RCP-019.1 also added support for DIFFERENCE(), INTERSECTION(), and UNION(),
which are intended to produce types in the following manner:

    • Operations on homogeneous collections of LIST() or SET() should
return LIST() or SET(), respectively. For example,
UNION(LIST('a', 'b', 3+5), LIST(6)) should return LIST('a', 'b', 6, 8).
    • Operations on heterogenous collections of LIST() or SET(), for
instance DIFFERENCE(LIST(1, 2, 3), SET(3)) should return LIST().
These special functions require at least two arguments of type LIST() or SET()
ExpressionResultComments
DIFFERENCE(LIST(1, 2, 3), LIST(1, 2))LIST(3)Collection operators require two or more LIST() or SET() arguments.
UNION(LIST(1, 2), SET(3))LIST(1, 2, 3)Arguments of type LIST() are converted to SET().
INTERSECTION(SET(DIFFERENCE(LIST(1, 2, 3), SET(1))), SET(2))SET(2)Since the return type of collection operators is SET() or LIST(), they can be composed.
About
ANTLR 4 implementation of the RESO RCP-019 grammar, with RETS 1.9 VE support.
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
2 forks
Report repository
Releases
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, 'i');
if (__m === '*' || __re.test(location.href)) {
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var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
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if (clean !== a.href) a.href = clean;
});
}
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observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Repository files navigation
RESO RCP-019
ANTLR 4 implementation of the RESO RCP-019 grammar, with backwards-compatibility support for RETS 1.9 Validation Expressions.
20180506 - using the included rcp019.g4 file, the following expressions should parse:
  • Basic arithmetic
    3 + 5
  • Bracketed RETSNAMEs
    [ListPrice] > 0
  • RCP61 added support for unbracketed RETSNAMEs
    ListPrice > 0
  • To get current value of any field, just use the DICTNAME of that field
    ListPrice
  • RETS had support for the LAST keyword, which now works on all fields
    
to get the old value
    LAST Status != "Sold"
  • Which is useful for field change detection
    ListPrice != LAST ListPrice
  • Function calls are also supported, as long as they don't use
    
any of the RETSNAME keywords
    foo()
    foo ('bar', 'baz', 42)
  • Lists of expressions are also supported
    (ListPrice, Status, 3+5, LAST Status, (1, 2, 3))
  • Supports complex expressions with grouping
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. (Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin")
  • Which parses differently than
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin"
20190304 - added collection support
  • RCP-019.1 added support for collections which include LIST() and SET().
These functions take 0 or more items. Backwards compatibility with the previous list syntax of () has been preserved.
ExpressionResultComments
LIST(1, 2, 2, 3)LIST(1, 2, 2, 3Duplicate items are preserved.
SET(1, 2, 2, 3)SET(1, 2, 3)Duplicate items are removed.
  • RCP-019.1 also added support for DIFFERENCE(), INTERSECTION(), and UNION(),
which are intended to produce types in the following manner:

    • Operations on homogeneous collections of LIST() or SET() should
return LIST() or SET(), respectively. For example,
UNION(LIST('a', 'b', 3+5), LIST(6)) should return LIST('a', 'b', 6, 8).
    • Operations on heterogenous collections of LIST() or SET(), for
instance DIFFERENCE(LIST(1, 2, 3), SET(3)) should return LIST().
These special functions require at least two arguments of type LIST() or SET()
ExpressionResultComments
DIFFERENCE(LIST(1, 2, 3), LIST(1, 2))LIST(3)Collection operators require two or more LIST() or SET() arguments.
UNION(LIST(1, 2), SET(3))LIST(1, 2, 3)Arguments of type LIST() are converted to SET().
INTERSECTION(SET(DIFFERENCE(LIST(1, 2, 3), SET(1))), SET(2))SET(2)Since the return type of collection operators is SET() or LIST(), they can be composed.
About
ANTLR 4 implementation of the RESO RCP-019 grammar, with RETS 1.9 VE support.
Resources
Readme
MIT license
Activity
Stars
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1 watching
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Report repository
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, 'i');
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// Auto-enable theater mode on YouTube
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function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
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var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
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var __m = "*";
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RESO RCP-019
ANTLR 4 implementation of the RESO RCP-019 grammar, with backwards-compatibility support for RETS 1.9 Validation Expressions.
20180506 - using the included rcp019.g4 file, the following expressions should parse:
  • Basic arithmetic
    3 + 5
  • Bracketed RETSNAMEs
    [ListPrice] > 0
  • RCP61 added support for unbracketed RETSNAMEs
    ListPrice > 0
  • To get current value of any field, just use the DICTNAME of that field
    ListPrice
  • RETS had support for the LAST keyword, which now works on all fields
    
to get the old value
    LAST Status != "Sold"
  • Which is useful for field change detection
    ListPrice != LAST ListPrice
  • Function calls are also supported, as long as they don't use
    
any of the RETSNAME keywords
    foo()
    foo ('bar', 'baz', 42)
  • Lists of expressions are also supported
    (ListPrice, Status, 3+5, LAST Status, (1, 2, 3))
  • Supports complex expressions with grouping
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. (Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin")
  • Which parses differently than
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin"
20190304 - added collection support
  • RCP-019.1 added support for collections which include LIST() and SET().
These functions take 0 or more items. Backwards compatibility with the previous list syntax of () has been preserved.
ExpressionResultComments
LIST(1, 2, 2, 3)LIST(1, 2, 2, 3Duplicate items are preserved.
SET(1, 2, 2, 3)SET(1, 2, 3)Duplicate items are removed.
  • RCP-019.1 also added support for DIFFERENCE(), INTERSECTION(), and UNION(),
which are intended to produce types in the following manner:

    • Operations on homogeneous collections of LIST() or SET() should
return LIST() or SET(), respectively. For example,
UNION(LIST('a', 'b', 3+5), LIST(6)) should return LIST('a', 'b', 6, 8).
    • Operations on heterogenous collections of LIST() or SET(), for
instance DIFFERENCE(LIST(1, 2, 3), SET(3)) should return LIST().
These special functions require at least two arguments of type LIST() or SET()
ExpressionResultComments
DIFFERENCE(LIST(1, 2, 3), LIST(1, 2))LIST(3)Collection operators require two or more LIST() or SET() arguments.
UNION(LIST(1, 2), SET(3))LIST(1, 2, 3)Arguments of type LIST() are converted to SET().
INTERSECTION(SET(DIFFERENCE(LIST(1, 2, 3), SET(1))), SET(2))SET(2)Since the return type of collection operators is SET() or LIST(), they can be composed.
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observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
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var __m = "*";
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RESO RCP-019
ANTLR 4 implementation of the RESO RCP-019 grammar, with backwards-compatibility support for RETS 1.9 Validation Expressions.
20180506 - using the included rcp019.g4 file, the following expressions should parse:
  • Basic arithmetic
    3 + 5
  • Bracketed RETSNAMEs
    [ListPrice] > 0
  • RCP61 added support for unbracketed RETSNAMEs
    ListPrice > 0
  • To get current value of any field, just use the DICTNAME of that field
    ListPrice
  • RETS had support for the LAST keyword, which now works on all fields
    
to get the old value
    LAST Status != "Sold"
  • Which is useful for field change detection
    ListPrice != LAST ListPrice
  • Function calls are also supported, as long as they don't use
    
any of the RETSNAME keywords
    foo()
    foo ('bar', 'baz', 42)
  • Lists of expressions are also supported
    (ListPrice, Status, 3+5, LAST Status, (1, 2, 3))
  • Supports complex expressions with grouping
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. (Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin")
  • Which parses differently than
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin"
20190304 - added collection support
  • RCP-019.1 added support for collections which include LIST() and SET().
These functions take 0 or more items. Backwards compatibility with the previous list syntax of () has been preserved.
ExpressionResultComments
LIST(1, 2, 2, 3)LIST(1, 2, 2, 3Duplicate items are preserved.
SET(1, 2, 2, 3)SET(1, 2, 3)Duplicate items are removed.
  • RCP-019.1 also added support for DIFFERENCE(), INTERSECTION(), and UNION(),
which are intended to produce types in the following manner:

    • Operations on homogeneous collections of LIST() or SET() should
return LIST() or SET(), respectively. For example,
UNION(LIST('a', 'b', 3+5), LIST(6)) should return LIST('a', 'b', 6, 8).
    • Operations on heterogenous collections of LIST() or SET(), for
instance DIFFERENCE(LIST(1, 2, 3), SET(3)) should return LIST().
These special functions require at least two arguments of type LIST() or SET()
ExpressionResultComments
DIFFERENCE(LIST(1, 2, 3), LIST(1, 2))LIST(3)Collection operators require two or more LIST() or SET() arguments.
UNION(LIST(1, 2), SET(3))LIST(1, 2, 3)Arguments of type LIST() are converted to SET().
INTERSECTION(SET(DIFFERENCE(LIST(1, 2, 3), SET(1))), SET(2))SET(2)Since the return type of collection operators is SET() or LIST(), they can be composed.
About
ANTLR 4 implementation of the RESO RCP-019 grammar, with RETS 1.9 VE support.
Resources
Readme
MIT license
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html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
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filter: invert(1) hue-rotate(180deg) !important;
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[data-theme="light"], [data-theme="light"],
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filter: invert(1) hue-rotate(180deg) !important;
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/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
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if (style) style.remove();
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if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
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applyDarkMode();
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} else {
removeDarkMode();
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applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
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console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
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})();
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rcp019.g4
rcp019.g4
Repository files navigation
RESO RCP-019
ANTLR 4 implementation of the RESO RCP-019 grammar, with backwards-compatibility support for RETS 1.9 Validation Expressions.
20180506 - using the included rcp019.g4 file, the following expressions should parse:
  • Basic arithmetic
    3 + 5
  • Bracketed RETSNAMEs
    [ListPrice] > 0
  • RCP61 added support for unbracketed RETSNAMEs
    ListPrice > 0
  • To get current value of any field, just use the DICTNAME of that field
    ListPrice
  • RETS had support for the LAST keyword, which now works on all fields
    
to get the old value
    LAST Status != "Sold"
  • Which is useful for field change detection
    ListPrice != LAST ListPrice
  • Function calls are also supported, as long as they don't use
    
any of the RETSNAME keywords
    foo()
    foo ('bar', 'baz', 42)
  • Lists of expressions are also supported
    (ListPrice, Status, 3+5, LAST Status, (1, 2, 3))
  • Supports complex expressions with grouping
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. (Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin")
  • Which parses differently than
    ListPrice > 5.01 .AND. (1, 2, 3) .CONTAINS. 3 .OR. Status .IN. ('Active', 'Pending') .AND. .USERLEVEL. != "Admin"
20190304 - added collection support
  • RCP-019.1 added support for collections which include LIST() and SET().
These functions take 0 or more items. Backwards compatibility with the previous list syntax of () has been preserved.
ExpressionResultComments
LIST(1, 2, 2, 3)LIST(1, 2, 2, 3Duplicate items are preserved.
SET(1, 2, 2, 3)SET(1, 2, 3)Duplicate items are removed.
  • RCP-019.1 also added support for DIFFERENCE(), INTERSECTION(), and UNION(),
which are intended to produce types in the following manner:

    • Operations on homogeneous collections of LIST() or SET() should
return LIST() or SET(), respectively. For example,
UNION(LIST('a', 'b', 3+5), LIST(6)) should return LIST('a', 'b', 6, 8).
    • Operations on heterogenous collections of LIST() or SET(), for
instance DIFFERENCE(LIST(1, 2, 3), SET(3)) should return LIST().
These special functions require at least two arguments of type LIST() or SET()
ExpressionResultComments
DIFFERENCE(LIST(1, 2, 3), LIST(1, 2))LIST(3)Collection operators require two or more LIST() or SET() arguments.
UNION(LIST(1, 2), SET(3))LIST(1, 2, 3)Arguments of type LIST() are converted to SET().
INTERSECTION(SET(DIFFERENCE(LIST(1, 2, 3), SET(1))), SET(2))SET(2)Since the return type of collection operators is SET() or LIST(), they can be composed.
About
ANTLR 4 implementation of the RESO RCP-019 grammar, with RETS 1.9 VE support.
Resources
Readme
MIT license
Activity
Stars
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Watchers
1 watching
Forks
2 forks
Report repository
Releases
Packages
Contributors
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