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Merge pull request #202 from open-source-parsers/get-with-zero

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`Value::get(key, default)` with zero
This commit is contained in:
Christopher Dunn 2015-03-05 16:56:56 -06:00
commit 7ec98dc9fe
3 changed files with 11 additions and 4 deletions
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4
include/json/value.h
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@ -404,15 +404,19 @@ Json::Value obj_value(Json::objectValue); // {}
const Value& operator[](const CppTL::ConstString& key) const;
#endif
/// Return the member named key if it exist, defaultValue otherwise.
/// \note deep copy
Value get(const char* key, const Value& defaultValue) const;
/// Return the member named key if it exist, defaultValue otherwise.
/// \note deep copy
/// \param key may contain embedded nulls.
Value get(const char* key, const char* end, const Value& defaultValue) const;
/// Return the member named key if it exist, defaultValue otherwise.
/// \note deep copy
/// \param key may contain embedded nulls.
Value get(const std::string& key, const Value& defaultValue) const;
#ifdef JSON_USE_CPPTL
/// Return the member named key if it exist, defaultValue otherwise.
/// \note deep copy
Value get(const CppTL::ConstString& key, const Value& defaultValue) const;
#endif
/// Most general and efficient version of isMember()const, get()const,

8
src/lib_json/json_value.cpp
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@ -1028,8 +1028,8 @@ Value& Value::append(const Value& value) { return (*this)[size()] = value; }
Value Value::get(char const* key, char const* end, Value const& defaultValue) const
{
const Value* value = &((*this)[key]);
return value == &nullRef ? defaultValue : *value;
Value const* found = find(key, end);
return !found ? defaultValue : *found;
}
Value Value::get(char const* key, Value const& defaultValue) const
{
@ -1037,7 +1037,7 @@ Value Value::get(char const* key, Value const& defaultValue) const
}
Value Value::get(std::string const& key, Value const& defaultValue) const
{
return get(key.c_str(), defaultValue);
return get(key.data(), key.data() + key.length(), defaultValue);
}
@ -1104,7 +1104,7 @@ bool Value::removeIndex(ArrayIndex index, Value* removed) {
#ifdef JSON_USE_CPPTL
Value Value::get(const CppTL::ConstString& key,
const Value& defaultValue) const {
return get(key.c_str(), defaultValue);
return get(key.c_str(), key.end_c_str(), defaultValue);
}
#endif

3
src/test_lib_json/main.cpp
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@ -1578,6 +1578,7 @@ JSONTEST_FIXTURE(ValueTest, zeroesInKeys) {
JSONTEST_ASSERT_STRING_EQUAL("there", root[binary].asString());
JSONTEST_ASSERT(!root.isMember("hi"));
JSONTEST_ASSERT(root.isMember(binary));
JSONTEST_ASSERT_STRING_EQUAL("there", root.get(binary, Json::Value::nullRef).asString());
Json::Value removed;
bool did;
did = root.removeMember(binary.data(), binary.data() + binary.length(),
@ -1588,6 +1589,8 @@ JSONTEST_FIXTURE(ValueTest, zeroesInKeys) {
&removed);
JSONTEST_ASSERT(!did);
JSONTEST_ASSERT_STRING_EQUAL("there", removed.asString()); // still
JSONTEST_ASSERT(!root.isMember(binary));
JSONTEST_ASSERT_STRING_EQUAL("", root.get(binary, Json::Value::nullRef).asString());
}
}