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path: root/source/core/StarJsonPatch.cpp
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Diffstat (limited to 'source/core/StarJsonPatch.cpp')
-rw-r--r--source/core/StarJsonPatch.cpp212
1 files changed, 193 insertions, 19 deletions
diff --git a/source/core/StarJsonPatch.cpp b/source/core/StarJsonPatch.cpp
index 34c6a82..f5e7877 100644
--- a/source/core/StarJsonPatch.cpp
+++ b/source/core/StarJsonPatch.cpp
@@ -25,6 +25,7 @@ namespace JsonPatching {
{"replace", std::bind(applyReplaceOperation, _1, _2)},
{"move", std::bind(applyMoveOperation, _1, _2)},
{"copy", std::bind(applyCopyOperation, _1, _2)},
+ {"merge", std::bind(applyMergeOperation, _1, _2)},
};
Json applyOperation(Json const& base, Json const& op) {
@@ -40,24 +41,49 @@ namespace JsonPatching {
Json applyTestOperation(Json const& base, Json const& op) {
auto path = op.getString("path");
- auto value = op.opt("value");
auto inverseTest = op.getBool("inverse", false);
auto pointer = JsonPath::Pointer(path);
try {
- auto testValue = pointer.get(base);
- if (!value) {
- if (inverseTest)
- throw JsonPatchTestFail(strf("Test operation failure, expected {} to be missing.", op.getString("path")));
- return base;
- }
+ if (op.contains("search")) {
+ Json searchArray = pointer.get(base);
+ Json searchValue = op.get("search");
+ if (searchArray.type() == Json::Type::Array) {
+ bool found = false;
+ for(auto& v : searchArray.toArray()) {
+ if (jsonCompare(v, searchValue)) {
+ found = true;
+ break;
+ }
+ }
+ if (found) {
+ if (inverseTest)
+ throw JsonPatchTestFail(strf("Test operation failure, expected {} to be missing.", searchValue));
+ return base;
+ } else {
+ if (!inverseTest)
+ throw JsonPatchTestFail(strf("Test operation failure, could not find {}.", searchValue));
+ return base;
+ }
+ } else {
+ throw JsonPatchException(strf("Search operation failure, value at '{}' is not an array.", path));
+ }
+ } else {
+ auto value = op.opt("value");
+ auto testValue = pointer.get(base);
+ if (!value) {
+ if (inverseTest)
+ throw JsonPatchTestFail(strf("Test operation failure, expected {} to be missing.", op.getString("path")));
+ return base;
+ }
- if ((value && (testValue == *value)) ^ inverseTest) {
- return base;
- }
+ if ((value && (testValue == *value)) ^ inverseTest) {
+ return base;
+ }
- throw JsonPatchTestFail(strf("Test operation failure, expected {} found {}.", value, testValue));
+ throw JsonPatchTestFail(strf("Test operation failure, expected {} found {}.", value, testValue));
+ }
} catch (JsonPath::TraversalException& e) {
if (inverseTest)
return base;
@@ -66,31 +92,179 @@ namespace JsonPatching {
}
Json applyRemoveOperation(Json const& base, Json const& op) {
- return JsonPath::Pointer(op.getString("path")).remove(base);
+ if (op.contains("search")) {
+ String path = op.getString("path");
+ auto pointer = JsonPath::Pointer(path);
+ Json searchArray = pointer.get(base);
+ Json searchValue = op.get("search");
+ if (searchArray.type() == Json::Type::Array) {
+ size_t index = 0;
+ bool found = false;
+ for (auto& v : searchArray.toArray()) {
+ if (jsonCompare(v, searchValue)) {
+ found = true;
+ break;
+ }
+ index++;
+ }
+ if (found)
+ searchArray = searchArray.eraseIndex(index);
+ return pointer.add(pointer.remove(base), searchArray);
+ } else {
+ throw JsonPatchException(strf("Search operation failure, value at {} is not an array.", path));
+ }
+ } else {
+ return JsonPath::Pointer(op.getString("path")).remove(base);
+ }
}
Json applyAddOperation(Json const& base, Json const& op) {
- return JsonPath::Pointer(op.getString("path")).add(base, op.get("value"));
+ if (op.contains("search")) {
+ Json value = op.get("value");
+ String path = op.getString("path");
+ auto pointer = JsonPath::Pointer(path);
+ Json searchArray = pointer.get(base);
+ Json searchValue = op.get("search");
+ if (searchArray.type() == Json::Type::Array) {
+ bool found = false;
+ for (auto& v : searchArray.toArray()) {
+ if (jsonCompare(v, searchValue)) {
+ found = true;
+ break;
+ }
+ }
+ if (found)
+ searchArray = searchArray.append(value);
+ return pointer.add(pointer.remove(base), searchArray);
+ } else {
+ throw JsonPatchException(strf("Search operation failure, value at {} is not an array.", path));
+ }
+ } else {
+ return JsonPath::Pointer(op.getString("path")).add(base, op.get("value"));
+ }
}
Json applyReplaceOperation(Json const& base, Json const& op) {
+ String path = op.getString("path");
auto pointer = JsonPath::Pointer(op.getString("path"));
- return pointer.add(pointer.remove(base), op.get("value"));
+
+ if (op.contains("search")) {
+ Json value = op.get("value");
+ Json searchArray = pointer.get(base);
+ Json searchValue = op.get("search");
+ if (searchArray.type() == Json::Type::Array) {
+ size_t index = 0;
+ bool found = false;
+ for (auto& v : searchArray.toArray()) {
+ if (jsonCompare(v, searchValue)) {
+ found = true;
+ break;
+ }
+ index++;
+ }
+ if (found)
+ searchArray = searchArray.set(index, value);
+ return pointer.add(pointer.remove(base), searchArray);
+ } else {
+ throw JsonPatchException(strf("Search operation failure, value at {} is not an array.", path));
+ }
+ } else {
+ return pointer.add(pointer.remove(base), op.get("value"));
+ }
}
Json applyMoveOperation(Json const& base, Json const& op) {
+ String path = op.getString("path");
+ auto toPointer = JsonPath::Pointer(path);
auto fromPointer = JsonPath::Pointer(op.getString("from"));
- auto toPointer = JsonPath::Pointer(op.getString("path"));
- Json value = fromPointer.get(base);
- return toPointer.add(fromPointer.remove(base), value);
+ if (op.contains("search")) {
+ Json value = op.get("value");
+ Json searchArray = fromPointer.get(base);
+ Json searchValue = op.get("search");
+ if (searchArray.type() == Json::Type::Array) {
+ size_t index = 0;
+ bool found = false;
+ for (auto& v : searchArray.toArray()) {
+ if (jsonCompare(v, searchValue)) {
+ found = true;
+ break;
+ }
+ index++;
+ }
+ if (found) {
+ toPointer.add(toPointer.remove(base), searchArray.get(index));
+ searchArray = searchArray.eraseIndex(index);
+ fromPointer.add(fromPointer.remove(base), searchArray);
+ }
+ return toPointer.get(base);
+ } else {
+ throw JsonPatchException(strf("Search operation failure, value at {} is not an array.", path));
+ }
+ } else {
+ Json value = fromPointer.get(base);
+ return toPointer.add(fromPointer.remove(base), value);
+ }
}
Json applyCopyOperation(Json const& base, Json const& op) {
+ String path = op.getString("path");
+ auto toPointer = JsonPath::Pointer(path);
auto fromPointer = JsonPath::Pointer(op.getString("from"));
- auto toPointer = JsonPath::Pointer(op.getString("path"));
- return toPointer.add(base, fromPointer.get(base));
+ if (op.contains("search")) {
+ Json value = op.get("value");
+ Json searchArray = fromPointer.get(base);
+ Json searchValue = op.get("search");
+ if (searchArray.type() == Json::Type::Array) {
+ size_t index = 0;
+ bool found = false;
+ for (auto& v : searchArray.toArray()) {
+ if (jsonCompare(v, searchValue)) {
+ found = true;
+ break;
+ }
+ index++;
+ }
+ if (found)
+ toPointer.add(base, searchArray.get(index));
+ return toPointer.get(base);
+ } else {
+ throw JsonPatchException(strf("Search operation failure, value at {} is not an array.", path));
+ }
+ } else {
+ Json value = fromPointer.get(base);
+ return toPointer.add(base, fromPointer.get(base));
+ }
+ }
+
+ Json applyMergeOperation(Json const& base, Json const& op) {
+ String path = op.getString("path");
+ auto pointer = JsonPath::Pointer(op.getString("path"));
+
+ if (op.contains("search")) {
+ Json value = op.get("value");
+ Json searchArray = pointer.get(base);
+ Json searchValue = op.get("search");
+ if (searchArray.type() == Json::Type::Array) {
+ size_t index = 0;
+ bool found = false;
+ for (auto& v : searchArray.toArray()) {
+ if (jsonCompare(v, searchValue)) {
+ found = true;
+ break;
+ }
+ index++;
+ }
+ if (found)
+ searchArray = searchArray.set(index, jsonMerge(searchArray.get(index), op.get("value")));
+ return pointer.add(pointer.remove(base), searchArray);
+ } else {
+ throw JsonPatchException(strf("Search operation failure, value at {} is not an array.", path));
+ }
+ } else {
+ return pointer.add(pointer.remove(base), jsonMerge(pointer.get(base), op.get("value")));
+ }
}
}