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replace and copy

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This commit is contained in:
Niels 2016-04-20 15:41:33 +02:00
parent 70fc5835cb
commit fa03cf0c63
3 changed files with 108 additions and 0 deletions
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19
src/json.hpp
View File

@ -9525,6 +9525,7 @@ basic_json_parser_63:
const auto it_op = val.m_value.object->find("op");
const auto it_path = val.m_value.object->find("path");
const auto it_value = val.m_value.object->find("value");
const auto it_from = val.m_value.object->find("from");
if (it_op == val.m_value.object->end() or not it_op->second.is_string())
{
@ -9558,12 +9559,30 @@ basic_json_parser_63:
{
throw std::domain_error("'replace' operation must have member 'value'");
}
result.at(ptr) = it_value->second;
}
else if (op == "move")
{
if (it_from == val.m_value.object->end())
{
throw std::domain_error("'move' operation must have member 'from'");
}
const std::string from_path = it_from->second;
const json_pointer from_ptr(from_path);
}
else if (op == "copy")
{
if (it_from == val.m_value.object->end())
{
throw std::domain_error("'copy' operation must have member 'from'");
}
const std::string from_path = it_from->second;
const json_pointer from_ptr(from_path);
result[ptr] = result.at(from_ptr);
}
else if (op == "test")
{

19
src/json.hpp.re2c
View File

@ -8835,6 +8835,7 @@ class basic_json
const auto it_op = val.m_value.object->find("op");
const auto it_path = val.m_value.object->find("path");
const auto it_value = val.m_value.object->find("value");
const auto it_from = val.m_value.object->find("from");
if (it_op == val.m_value.object->end() or not it_op->second.is_string())
{
@ -8868,12 +8869,30 @@ class basic_json
{
throw std::domain_error("'replace' operation must have member 'value'");
}
result.at(ptr) = it_value->second;
}
else if (op == "move")
{
if (it_from == val.m_value.object->end())
{
throw std::domain_error("'move' operation must have member 'from'");
}
const std::string from_path = it_from->second;
const json_pointer from_ptr(from_path);
}
else if (op == "copy")
{
if (it_from == val.m_value.object->end())
{
throw std::domain_error("'copy' operation must have member 'from'");
}
const std::string from_path = it_from->second;
const json_pointer from_ptr(from_path);
result[ptr] = result.at(from_ptr);
}
else if (op == "test")
{

70
test/unit.cpp
View File

@ -12421,6 +12421,34 @@ TEST_CASE("JSON patch")
CHECK(doc.apply_patch(patch) == expected);
}
SECTION("example A.5 - Replacing a Value")
{
// An example target JSON document:
json doc = R"(
{
"baz": "qux",
"foo": "bar"
}
)"_json;
// A JSON Patch document:
json patch = R"(
[
{ "op": "replace", "path": "/baz", "value": "boo" }
]
)"_json;
json expected = R"(
{
"baz": "boo",
"foo": "bar"
}
)"_json;
// check if patched value is as expected
CHECK(doc.apply_patch(patch) == expected);
}
SECTION("example A.8 - Testing a Value: Success")
{
// An example target JSON document:
@ -12615,6 +12643,48 @@ TEST_CASE("JSON patch")
CHECK(doc.apply_patch(patch) == expected);
}
}
SECTION("own examples")
{
SECTION("copy")
{
// An example target JSON document:
json doc = R"(
{
"foo": {
"bar": "baz",
"waldo": "fred"
},
"qux": {
"corge": "grault"
}
}
)"_json;
// A JSON Patch document:
json patch = R"(
[
{ "op": "copy", "from": "/foo/waldo", "path": "/qux/thud" }
]
)"_json;
json expected = R"(
{
"foo": {
"bar": "baz",
"waldo": "fred"
},
"qux": {
"corge": "grault",
"thud": "fred"
}
}
)"_json;
// check if patched value is as expected
CHECK(doc.apply_patch(patch) == expected);
}
}
}
TEST_CASE("regression tests")