Fixed unicode handling - handling of special cases might still be problematic

Author: squix78

JsonStreamingParser.cpp

@@ -332,7 +332,9 @@ void JsonStreamingParser::processUnicodeCharacter(char c) {
 
     if (unicodeBufferPos == 4) {
       int codepoint = getHexArrayAsDecimal(unicodeBuffer, unicodeBufferPos);
-      if (codepoint >= 0xD800 && codepoint < 0xDC00) {
+      endUnicodeCharacter(codepoint);
+      return;
+      /*if (codepoint >= 0xD800 && codepoint < 0xDC00) {
         unicodeHighSurrogate = codepoint;
         unicodeBufferPos = 0;
         state = STATE_UNICODE_SURROGATE;
@@ -348,9 +350,10 @@ void JsonStreamingParser::processUnicodeCharacter(char c) {
         // throw new ParsingError($this->_line_number,
         // $this->_char_number,
         // "Invalid low surrogate following Unicode high surrogate.");
+        endUnicodeCharacter(codepoint);
       } else {
         endUnicodeCharacter(codepoint);
-      }
+      }*/
     }
   }
 boolean JsonStreamingParser::isHexCharacter(char c) {
@@ -390,6 +393,7 @@ void JsonStreamingParser::endUnicodeSurrogateInterstitial() {
       // "Expected '\\u' following a Unicode high surrogate. Got: " .
       // $unicode_escape);
     }
+    unicodeBufferPos = 0;
     unicodeEscapeBufferPos = 0;
     state = STATE_UNICODE;
   }

JsonStreamingParser.h

@@ -65,10 +65,10 @@ class JsonStreamingParser {
     char buffer[BUFFER_MAX_LENGTH];
     int bufferPos = 0;
 
-    char unicodeEscapeBuffer[128];
+    char unicodeEscapeBuffer[10];
     int unicodeEscapeBufferPos = 0;
 
-    char unicodeBuffer[128];
+    char unicodeBuffer[10];
     int unicodeBufferPos = 0;
 
     int characterCounter = 0;

library.json

@@ -10,7 +10,7 @@
     "name": "Daniel Eichhorn",
     "url": "http://blog.squix.ch"
   },
-  "version": "1.0.3",
+  "version": "1.0.4",
   "frameworks": "arduino",
   "platforms": "*",
   "examples": [

library.properties

@@ -1,5 +1,5 @@
 name=Json Streaming Parser
-version=1.0.3
+version=1.0.4
 author=Daniel Eichhorn
 maintainer=Daniel Eichhorn <[email protected]>
 sentence=A very memory efficient library to parse (large) JSON objects on small devices