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From th...@apache.org
Subject svn commit: r1495955 - in /avro/trunk: CHANGES.txt lang/c++/impl/json/JsonIO.cc lang/c++/impl/json/JsonIO.hh lang/c++/test/CodecTests.cc
Date Mon, 24 Jun 2013 08:37:43 GMT
Author: thiru
Date: Mon Jun 24 08:37:43 2013
New Revision: 1495955

URL: http://svn.apache.org/r1495955
Log:
AVRO-1172. Avro C++ Json Decoder: Double cannot be decoded

Modified:
    avro/trunk/CHANGES.txt
    avro/trunk/lang/c++/impl/json/JsonIO.cc
    avro/trunk/lang/c++/impl/json/JsonIO.hh
    avro/trunk/lang/c++/test/CodecTests.cc

Modified: avro/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/avro/trunk/CHANGES.txt?rev=1495955&r1=1495954&r2=1495955&view=diff
==============================================================================
--- avro/trunk/CHANGES.txt (original)
+++ avro/trunk/CHANGES.txt Mon Jun 24 08:37:43 2013
@@ -104,6 +104,8 @@ Trunk (not yet released)
 
     AVRO-1346. C++: schema parser cannot parse verbose primitive types (Skye Wanderman-Milne
via thiru)
 
+    AVRO-1171. Avro C++ Json Decoder: Double cannot be decoded (Sam Overend via thiru)
+
 Avro 1.7.4 (22 February 2012)
 
   NEW FEATURES

Modified: avro/trunk/lang/c++/impl/json/JsonIO.cc
URL: http://svn.apache.org/viewvc/avro/trunk/lang/c%2B%2B/impl/json/JsonIO.cc?rev=1495955&r1=1495954&r2=1495955&view=diff
==============================================================================
--- avro/trunk/lang/c++/impl/json/JsonIO.cc (original)
+++ avro/trunk/lang/c++/impl/json/JsonIO.cc Mon Jun 24 08:37:43 2013
@@ -16,6 +16,7 @@
  * limitations under the License.
  */
 
+#include "boost/math/special_functions/fpclassify.hpp"
 #include "JsonIO.hh"
 
 namespace avro {
@@ -49,13 +50,20 @@ char JsonParser::next()
 void JsonParser::expectToken(Token tk)
 {
     if (advance() != tk) {
-        if (tk == tkDouble && cur() == tkString
-            && (sv == "Infinity" || sv == "-Infinity" || sv == "NaN")) {
-            curToken = tkDouble;
-            dv = sv == "Infinity" ? std::numeric_limits<double>::infinity() :
-                sv == "-Infinity" ? -std::numeric_limits<double>::infinity() :
-                std::numeric_limits<double>::quiet_NaN();
-            return;
+        if (tk == tkDouble) {
+            if(cur() == tkString
+                && (sv == "Infinity" || sv == "-Infinity" || sv == "NaN")) {
+                curToken = tkDouble;
+                dv = sv == "Infinity" ?
+                    std::numeric_limits<double>::infinity() :
+                    sv == "-Infinity" ?
+                        -std::numeric_limits<double>::infinity() :
+                    std::numeric_limits<double>::quiet_NaN();
+                return;
+            } else if (cur() == tkLong) {
+                dv = double(lv);
+                return;
+            }
         }
         ostringstream oss;
         oss << "Incorrect token in the stream. Expected: "
@@ -343,6 +351,24 @@ JsonParser::Token JsonParser::tryLiteral
     return tk;
 }
 
+void JsonGenerator::encodeNumber(double t) {
+    sep();
+    std::ostringstream oss;
+    if (boost::math::isfinite(t)) {
+        oss << t;
+    } else if (boost::math::isnan(t)) {
+        oss << "NaN";
+    } else if (t == std::numeric_limits<double>::infinity()) {
+        oss << "Infinity";
+    } else {
+        oss << "-Infinity";
+    }
+    const std::string& s = oss.str();
+    out_.writeBytes(reinterpret_cast<const uint8_t*>(&s[0]), s.size());
+    sep2();
+}
+
+
 }
 }
 

Modified: avro/trunk/lang/c++/impl/json/JsonIO.hh
URL: http://svn.apache.org/viewvc/avro/trunk/lang/c%2B%2B/impl/json/JsonIO.hh?rev=1495955&r1=1495954&r2=1495955&view=diff
==============================================================================
--- avro/trunk/lang/c++/impl/json/JsonIO.hh (original)
+++ avro/trunk/lang/c++/impl/json/JsonIO.hh Mon Jun 24 08:37:43 2013
@@ -257,6 +257,8 @@ public:
         sep2();
     }
 
+    void encodeNumber(double t);
+
     void encodeString(const std::string& s) {
         if (top == stMap0) {
             top = stKey;

Modified: avro/trunk/lang/c++/test/CodecTests.cc
URL: http://svn.apache.org/viewvc/avro/trunk/lang/c%2B%2B/test/CodecTests.cc?rev=1495955&r1=1495954&r2=1495955&view=diff
==============================================================================
--- avro/trunk/lang/c++/test/CodecTests.cc (original)
+++ avro/trunk/lang/c++/test/CodecTests.cc Mon Jun 24 08:37:43 2013
@@ -1309,6 +1309,7 @@ static const TestData4 data4[] = {
 };
 
 #define COUNTOF(x)  sizeof(x) / sizeof(x[0])
+#define ENDOF(x)    (x) + COUNTOF(x)
 
 #define ADD_TESTS(testSuite, Factory, testFunc, data)           \
 testSuite.add(BOOST_PARAM_TEST_CASE(&testFunc<Factory>,         \
@@ -1470,6 +1471,28 @@ static void testLimitsJsonCodec()
     testLimits(jsonEncoder(schema), jsonDecoder(schema));
 }
 
+struct JsonData {
+    const char *schema;
+    const char *json;
+    const char* calls;
+    int depth;
+};
+
+const JsonData jsonData[] = {
+    { "{\"type\": \"double\"}", " 10 ", "D", 1 },
+    { "{\"type\": \"double\"}", " 10.0 ", "D", 1 },
+    { "{\"type\": \"double\"}", " \"Infinity\"", "D", 1 },
+    { "{\"type\": \"double\"}", " \"-Infinity\"", "D", 1 },
+    { "{\"type\": \"double\"}", " \"NaN\"", "D", 1 },
+    { "{\"type\": \"long\"}", " 10 ", "L", 1 },
+};
+
+static void testJson(const JsonData& data)
+{
+    ValidSchema schema = parsing::makeValidSchema(data.schema);
+    EncoderPtr e = jsonEncoder(schema);
+    
+}
 
 }   // namespace avro
 
@@ -1483,6 +1506,8 @@ init_unit_test_suite( int argc, char* ar
     ts->add(BOOST_TEST_CASE(avro::testStreamLifetimes));
     ts->add(BOOST_TEST_CASE(avro::testLimitsBinaryCodec));
     ts->add(BOOST_TEST_CASE(avro::testLimitsJsonCodec));
+    ts->add(BOOST_PARAM_TEST_CASE(&avro::testJson, avro::jsonData,
+        ENDOF(avro::jsonData)));
 
     return ts;
 }



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