From 44409ec7257cb20ff091079eb55dc7a8d4049cf9 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Thu, 16 Feb 2023 14:08:50 -0800
Subject: We now parse \u<hex> in json strings.

How we got away with it for this long is amazing.
---
 src/unstable/json.cpp | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/unstable/json.cpp b/src/unstable/json.cpp
index 0903499..e737f1e 100644
--- a/src/unstable/json.cpp
+++ b/src/unstable/json.cpp
@@ -248,6 +248,7 @@ Bu::Json &Bu::Json::insertArray( const Bu::String &sKey )
 Bu::Json &Bu::Json::insertNull( const Bu::String &sKey )
 {
     uDat.pObject->insert( sKey, new Json( Null ) );
+    return *this;
 }
 
 Bu::Json &Bu::Json::append( Bu::Json *pObj )
@@ -299,6 +300,7 @@ Bu::Json &Bu::Json::appendArray()
 Bu::Json &Bu::Json::appendNull()
 {
     uDat.pArray->append( new Json( Null ) );
+    return *this;
 }
 
 void Bu::Json::parse( Bu::Stream &sInput )
@@ -595,7 +597,28 @@ void Bu::Json::parseString( Bu::Json::ParseState &ps, Bu::UtfString &sOut )
                     break;
 
                 case 'u':
-                    // Not implimented yet, followed by four hex diigts
+                    {
+                        char hex[5];
+                        for( int j = 0; j < 4; j++ )
+                        {
+                            readChar( ps );
+                            if( (ps.c >= '0' && ps.c <= '9') || 
+                                (ps.c >= 'a' && ps.c <= 'f') ||
+                                (ps.c >= 'A' && ps.c <= 'F') )
+                            {
+                                hex[j] = ps.c;
+                            }
+                            else
+                            {
+                                ps.error(
+                                    "Invalid json: Invalid \\u<hex> "
+                                    "escape sequence."
+                                    );
+                            }
+                        }
+                        hex[4] = '\0';
+                        sOut += (Bu::UtfChar)strtol( hex, NULL, 16 );
+                    }
                     break;
 
                 default:
-- 
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