From 3ba6b9398fae3f158d0025ac5ee2a83af4571ce7 Mon Sep 17 00:00:00 2001
From: lostfields <lostfields@outlook.com>
Date: Fri, 8 Mar 2024 08:02:07 +0100
Subject: [PATCH] fix: double slash #deploy_branch

---
 src/linq/peg/grammar/odata.pegjs    | 4 ++--
 src/linq/peg/parser/odata-parser.js | 6 +++---
 src/test/translator/odata.ts        | 9 ++++++++-
 3 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/linq/peg/grammar/odata.pegjs b/src/linq/peg/grammar/odata.pegjs
index 3dd6463..d8f70f2 100644
--- a/src/linq/peg/grammar/odata.pegjs
+++ b/src/linq/peg/grammar/odata.pegjs
@@ -343,8 +343,8 @@ HexDigit
     = [a-f] / [A-F] / [0-9]
 
 StringLiteral
-    = "'" chars:(Escape / ![\\'\n\r] . )* "'"                   
-    { return { type: 'Literal', value: chars.map(l => l[0] || l[1]).join('').replace(/\\\\/g, '\\') } }
+    = "'" chars:(Escape / !['\n\r] . )* "'"                   
+    { return { type: 'Literal', value: chars.map(l => l[0] || l[1]).join('') } }
 
 ArrayLiteral
     = LPAR __ elements:(first:Expression rest:(COMMA __ Expression)* { return buildList(first, rest, 2)})? (COMMA __)? __ RPAR __
diff --git a/src/linq/peg/parser/odata-parser.js b/src/linq/peg/parser/odata-parser.js
index 50f98b6..384fab6 100644
--- a/src/linq/peg/parser/odata-parser.js
+++ b/src/linq/peg/parser/odata-parser.js
@@ -231,7 +231,7 @@ function peg$parse(input, options) {
   var peg$r11 = /^[+\-]/;
   var peg$r12 = /^[pP]/;
   var peg$r13 = /^[0-9A-Fa-f]/;
-  var peg$r14 = /^[\\'\n\r]/;
+  var peg$r14 = /^['\n\r]/;
   var peg$r15 = /^[btnfr"'\\]/;
   var peg$r16 = /^[0-3]/;
 
@@ -266,7 +266,7 @@ function peg$parse(input, options) {
   var peg$e28 = peg$classExpectation(["+", "-"], false, false);
   var peg$e29 = peg$classExpectation(["p", "P"], false, false);
   var peg$e30 = peg$classExpectation([["0", "9"], ["A", "F"], ["a", "f"]], false, false);
-  var peg$e31 = peg$classExpectation(["\\", "'", "\n", "\r"], false, false);
+  var peg$e31 = peg$classExpectation(["'", "\n", "\r"], false, false);
   var peg$e32 = peg$anyExpectation();
   var peg$e33 = peg$literalExpectation("''", false);
   var peg$e34 = peg$literalExpectation("\\", false);
@@ -438,7 +438,7 @@ function peg$parse(input, options) {
   var peg$f26 = function(value) { return { type: 'DateLiteral', value: flattenArray(value).join('') }; };
   var peg$f27 = function(first, value, last) { return { type: 'DateLiteral', value: flattenArray(value).join('') }; };
   var peg$f28 = function() { return { type: 'NumberLiteral', value: text() }; };
-  var peg$f29 = function(chars) { return { type: 'Literal', value: chars.map(l => l[0] || l[1]).join('').replace(/\\\\/g, '\\') } };
+  var peg$f29 = function(chars) { return { type: 'Literal', value: chars.map(l => l[0] || l[1]).join('') } };
   var peg$f30 = function(first, rest) { return buildList(first, rest, 2)};
   var peg$f31 = function(elements) { return { type: 'ArrayLiteral', elements: elements } };
   var peg$currPos = options.peg$currPos | 0;
diff --git a/src/test/translator/odata.ts b/src/test/translator/odata.ts
index 6f0388c..614bf83 100644
--- a/src/test/translator/odata.ts
+++ b/src/test/translator/odata.ts
@@ -49,7 +49,14 @@ describe('When using Translator', () => {
             let odata = translator.visit(expr)
 
             chai.expect(odata).to.equal(`contains(customer/name, 'ka\\e')`)
-        })        
+        })  
+
+        it('should handle escape of character \\ twice', () => {
+            let expr = visitor.parseOData(`contains(customer/name, 'ka\\\\e')`)
+            let odata = translator.visit(expr)
+
+            chai.expect(odata).to.equal(`contains(customer/name, 'ka\\\\e')`)
+        })              
 
         it('should handle unicode if that is a thing', () => {
             let expr = visitor.parseOData(`contains(customer/name, 'ka\\u1128')`)