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tag_null (#897)

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This commit is contained in:
Chen
2020-06-18 01:49:09 +08:00
committed by GitHub
parent 72fe73a104
commit 5a9ab177ba
2 changed files with 18 additions and 6 deletions
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11
src/singledocparser.cpp
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@@ -90,16 +90,17 @@ void SingleDocParser::HandleNode(EventHandler& eventHandler) {
const Token& token = m_scanner.peek();
if (token.type == Token::PLAIN_SCALAR && IsNullString(token.value)) {
// add non-specific tags
if (tag.empty())
tag = (token.type == Token::NON_PLAIN_SCALAR ? "!" : "?");
if (token.type == Token::PLAIN_SCALAR
&& tag.compare("?") == 0 && IsNullString(token.value)) {
eventHandler.OnNull(mark, anchor);
m_scanner.pop();
return;
}
// add non-specific tags
if (tag.empty())
tag = (token.type == Token::NON_PLAIN_SCALAR ? "!" : "?");
// now split based on what kind of node we should be
switch (token.type) {
case Token::PLAIN_SCALAR:

13
test/integration/load_node_test.cpp
View File

@@ -269,7 +269,18 @@ TEST(NodeTest, LoadTildeAsNull) {
Node node = Load("~");
ASSERT_TRUE(node.IsNull());
}
TEST(NodeTest, LoadNullWithStrTag) {
Node node = Load("!!str null");
EXPECT_EQ(node.Tag(), "tag:yaml.org,2002:str");
EXPECT_EQ(node.as<std::string>(), "null");
}
TEST(NodeTest, LoadQuotedNull) {
Node node = Load("\"null\"");
EXPECT_EQ(node.as<std::string>(), "null");
}
TEST(NodeTest, LoadTagWithParenthesis) {
Node node = Load("!Complex(Tag) foo");
EXPECT_EQ(node.Tag(), "!Complex(Tag)");