Merge pull request #31 from ryanofsky/raw-literals

Support parsing raw literals in UniValue
sipa · Jan 29, 2017 · 89bb073 · 89bb073
2 parents 511008c + 0bb1439
commit 89bb073
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Showing 9 changed files with 34 additions and 14 deletions.
diff --git a/Makefile.am b/Makefile.am
@@ -93,6 +93,11 @@ TEST_FILES = \
 	$(TEST_DATA_DIR)/pass2.json \
 	$(TEST_DATA_DIR)/pass3.json \
 	$(TEST_DATA_DIR)/round1.json \
-	$(TEST_DATA_DIR)/round2.json
+	$(TEST_DATA_DIR)/round2.json \
+	$(TEST_DATA_DIR)/round3.json \
+	$(TEST_DATA_DIR)/round4.json \
+	$(TEST_DATA_DIR)/round5.json \
+	$(TEST_DATA_DIR)/round6.json \
+	$(TEST_DATA_DIR)/round7.json
 
 EXTRA_DIST=$(TEST_FILES) $(GEN_SRCS)
diff --git a/lib/univalue_read.cpp b/lib/univalue_read.cpp
@@ -177,7 +177,7 @@ enum jtokentype getJsonToken(string& tokenVal, unsigned int& consumed,
         string valStr;
         JSONUTF8StringFilter writer(valStr);
 
-        while (*raw) {
+        while (true) {
             if ((unsigned char)*raw < 0x20)
                 return JTOK_ERR;
 
@@ -371,9 +371,6 @@ bool UniValue::read(const char *raw)
         case JTOK_KW_NULL:
         case JTOK_KW_TRUE:
         case JTOK_KW_FALSE: {
-            if (!stack.size())
-                return false;
-
             UniValue tmpVal;
             switch (tok) {
             case JTOK_KW_NULL:
@@ -388,6 +385,11 @@ bool UniValue::read(const char *raw)
             default: /* impossible */ break;
             }
 
+            if (!stack.size()) {
+                *this = tmpVal;
+                break;
+            }
+
             UniValue *top = stack.back();
             top->values.push_back(tmpVal);
 
@@ -396,10 +398,12 @@ bool UniValue::read(const char *raw)
             }
 
         case JTOK_NUMBER: {
-            if (!stack.size())
-                return false;
-
             UniValue tmpVal(VNUM, tokenVal);
+            if (!stack.size()) {
+                *this = tmpVal;
+                break;
+            }
+
             UniValue *top = stack.back();
             top->values.push_back(tmpVal);
 
@@ -408,17 +412,18 @@ bool UniValue::read(const char *raw)
             }
 
         case JTOK_STRING: {
-            if (!stack.size())
-                return false;
-
-            UniValue *top = stack.back();
-
             if (expect(OBJ_NAME)) {
+                UniValue *top = stack.back();
                 top->keys.push_back(tokenVal);
                 clearExpect(OBJ_NAME);
                 setExpect(COLON);
             } else {
                 UniValue tmpVal(VSTR, tokenVal);
+                if (!stack.size()) {
+                    *this = tmpVal;
+                    break;
+                }
+                UniValue *top = stack.back();
                 top->values.push_back(tmpVal);
             }
 

diff --git a/test/fail1.json b/test/fail1.json
@@ -1 +1 @@
-"A JSON payload should be an object or array, not a string."
+"This is a string that never ends, yes it goes on and on, my friends.
diff --git a/test/round3.json b/test/round3.json
@@ -0,0 +1 @@
+"abcdefghijklmnopqrstuvwxyz"
diff --git a/test/round4.json b/test/round4.json
@@ -0,0 +1 @@
+7
diff --git a/test/round5.json b/test/round5.json
@@ -0,0 +1 @@
+true
diff --git a/test/round6.json b/test/round6.json
@@ -0,0 +1 @@
+false
diff --git a/test/round7.json b/test/round7.json
@@ -0,0 +1 @@
+null
diff --git a/test/unitester.cpp b/test/unitester.cpp
@@ -125,6 +125,11 @@ static const char *filenames[] = {
         "pass3.json",
         "round1.json",              // round-trip test
         "round2.json",              // unicode
+        "round3.json",              // bare string
+        "round4.json",              // bare number
+        "round5.json",              // bare true
+        "round6.json",              // bare false
+        "round7.json",              // bare null
 };
 
 // Test \u handling