Merge branches 'develop' and 'mkdocs' of https://github.com/nlohmann/json into mkdocs

.circleci/config.yml

@@ -10,12 +10,9 @@ jobs:
       - run:
           name: Install required tools
           command: 'apt-get update && apt-get install -y gcc g++ git cmake'
-      - run:
-          name: Show versions
-          command: 'g++ --version ; uname -a; cmake --version'
       - run:
           name: Run CMake
-          command: 'mkdir build ; cd build ; cmake ..'
+          command: 'mkdir build ; cd build ; cmake .. -DJSON_BuildTests=On'
       - run:
           name: Compile
           command: 'cmake --build build'
@@ -33,12 +30,9 @@ jobs:
       - run:
           name: Install required tools
           command: 'pacman -Sy --noconfirm base base-devel gcc git cmake'
-      - run:
-          name: Show versions
-          command: 'g++ --version ; uname -a; cmake --version'
       - run:
           name: Run CMake
-          command: 'mkdir build ; cd build ; cmake ..'
+          command: 'mkdir build ; cd build ; cmake .. -DJSON_BuildTests=On'
       - run:
           name: Compile
           command: 'cmake --build build'

.github/ISSUE_TEMPLATE/Feature_request.md

@@ -14,4 +14,3 @@ assignees: ''
 #### How would the feature be usable for other users?
 
 <!-- Include sample usage where appropriate. -->
-

.github/ISSUE_TEMPLATE/question.md

@@ -7,6 +7,8 @@ assignees: ''
 
 ---
 
+<!-- Provide a concise summary of the issue in the title above. -->
+
 #### What do you want to achieve?
 
 <!-- Please describe the feature as detailed as possible. -->
@@ -17,6 +19,10 @@ assignees: ''
 <!-- There is a full documentation of the API: https://nlohmann.github.io/json/ -->
 <!-- There is a detailed README file: https://github.com/nlohmann/json/blob/develop/README.md -->
 
+#### Can you provide a small code example?
+
+<!-- Please understand that we cannot analyze and debug large code bases. -->
+
 #### Which compiler and operating system are you using?
 
 <!-- Include as many relevant details about the environment you experienced the bug in. -->

.github/workflows/macos.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: cmake
-      run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug
+      run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On
     - name: build
       run: cmake --build build --parallel 10
     - name: test

.github/workflows/ubuntu.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: cmake
-      run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug
+      run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On
     - name: build
       run: cmake --build build --parallel 10
     - name: test

.github/workflows/windows.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: cmake
-      run: cmake -S . -B build -G "Visual Studio 16 2019" -D CMAKE_BUILD_TYPE=Debug
+      run: cmake -S . -B build -G "Visual Studio 16 2019" -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On
     - name: build
       run: cmake --build build --parallel 10
     - name: test

.travis.yml

@@ -321,13 +321,9 @@ script:
   # by default, use the single-header version
   - if [[ "${MULTIPLE_HEADERS}" == "" ]]; then export MULTIPLE_HEADERS=OFF; fi
 
-  # show OS/compiler version
-  - uname -a
-  - $CXX --version
-
   # compile and execute unit tests
   - mkdir -p build && cd build
-  - cmake .. ${CMAKE_OPTIONS} -DJSON_MultipleHeaders=${MULTIPLE_HEADERS} -GNinja && cmake --build . --config Release
+  - cmake .. ${CMAKE_OPTIONS} -DJSON_MultipleHeaders=${MULTIPLE_HEADERS} -DJSON_BuildTests=On -GNinja && cmake --build . --config Release
   - ctest -C Release --timeout 2700 -V -j
   - cd ..
 

appveyor.yml

@@ -112,7 +112,7 @@ before_build:
   # for with_win_header build, inject the inclusion of Windows.h to the single-header library
   - ps: if ($env:name -Eq "with_win_header") { $header_path = "single_include\nlohmann\json.hpp" }
   - ps: if ($env:name -Eq "with_win_header") { "#include <Windows.h>`n" + (Get-Content $header_path | Out-String) | Set-Content $header_path }
-  - if "%GENERATOR%"=="Ninja" (cmake . -G "%GENERATOR%" -DCMAKE_BUILD_TYPE="%configuration%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_EXE_LINKER_FLAGS="%LINKER_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin") else (cmake . -G "%GENERATOR%" -A "%GENERATOR_PLATFORM%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_EXE_LINKER_FLAGS="%LINKER_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin")
+  - if "%GENERATOR%"=="Ninja" (cmake . -G "%GENERATOR%" -DCMAKE_BUILD_TYPE="%configuration%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_EXE_LINKER_FLAGS="%LINKER_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin" -DJSON_BuildTests=On) else (cmake . -G "%GENERATOR%" -A "%GENERATOR_PLATFORM%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_EXE_LINKER_FLAGS="%LINKER_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin" -DJSON_BuildTests=On)
 
 build_script:
   - cmake --build . --config "%configuration%"

include/nlohmann/detail/input/input_adapters.hpp

@@ -331,13 +331,14 @@ inline input_stream_adapter input_adapter(std::istream&& stream)
     return input_stream_adapter(stream);
 }
 
-template<typename CharT,
+template<typename CharT, typename SizeT,
          typename std::enable_if<
              std::is_pointer<CharT>::value and
              std::is_integral<typename std::remove_pointer<CharT>::type>::value and
+             not std::is_same<SizeT, bool>::value and
              sizeof(typename std::remove_pointer<CharT>::type) == 1,
              int>::type = 0>
-input_buffer_adapter input_adapter(CharT b, std::size_t l)
+input_buffer_adapter input_adapter(CharT b, SizeT l)
 {
     return input_buffer_adapter(reinterpret_cast<const char*>(b), l);
 }

include/nlohmann/detail/input/json_sax.hpp

@@ -452,7 +452,7 @@ class json_sax_dom_callback_parser
         ref_stack.pop_back();
         keep_stack.pop_back();
 
-        if (not ref_stack.empty() and ref_stack.back() and ref_stack.back()->is_object())
+        if (not ref_stack.empty() and ref_stack.back() and ref_stack.back()->is_structured())
         {
             // remove discarded value
             for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it)

include/nlohmann/detail/input/lexer.hpp

@@ -1367,7 +1367,7 @@ scan_number_done:
         std::string result;
         for (const auto c : token_string)
         {
-            if ('\x00' <= c and c <= '\x1F')
+            if (static_cast<unsigned char>(c) <= '\x1F')
             {
                 // escape control characters
                 std::array<char, 9> cs{{}};

include/nlohmann/json.hpp

@@ -3207,7 +3207,7 @@ class basic_json
                    not std::is_same<ValueType, typename string_t::value_type>::value and
                    not detail::is_basic_json<ValueType>::value
                    and not std::is_same<ValueType, std::initializer_list<typename string_t::value_type>>::value
-#if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) and _MSC_VER <= 1914))
+#if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) and _MSC_VER >= 1910 and _MSC_VER <= 1914))
                    and not std::is_same<ValueType, typename std::string_view>::value
 #endif
                    and detail::is_detected<detail::get_template_function, const basic_json_t&, ValueType>::value

single_include/nlohmann/json.hpp

@@ -4753,13 +4753,14 @@ inline input_stream_adapter input_adapter(std::istream&& stream)
     return input_stream_adapter(stream);
 }
 
-template<typename CharT,
+template<typename CharT, typename SizeT,
          typename std::enable_if<
              std::is_pointer<CharT>::value and
              std::is_integral<typename std::remove_pointer<CharT>::type>::value and
+             not std::is_same<SizeT, bool>::value and
              sizeof(typename std::remove_pointer<CharT>::type) == 1,
              int>::type = 0>
-input_buffer_adapter input_adapter(CharT b, std::size_t l)
+input_buffer_adapter input_adapter(CharT b, SizeT l)
 {
     return input_buffer_adapter(reinterpret_cast<const char*>(b), l);
 }
@@ -5357,7 +5358,7 @@ class json_sax_dom_callback_parser
         ref_stack.pop_back();
         keep_stack.pop_back();
 
-        if (not ref_stack.empty() and ref_stack.back() and ref_stack.back()->is_object())
+        if (not ref_stack.empty() and ref_stack.back() and ref_stack.back()->is_structured())
         {
             // remove discarded value
             for (auto it = ref_stack.back()->begin(); it != ref_stack.back()->end(); ++it)
@@ -9456,7 +9457,7 @@ scan_number_done:
         std::string result;
         for (const auto c : token_string)
         {
-            if ('\x00' <= c and c <= '\x1F')
+            if (static_cast<unsigned char>(c) <= '\x1F')
             {
                 // escape control characters
                 std::array<char, 9> cs{{}};
@@ -18999,7 +19000,7 @@ class basic_json
                    not std::is_same<ValueType, typename string_t::value_type>::value and
                    not detail::is_basic_json<ValueType>::value
                    and not std::is_same<ValueType, std::initializer_list<typename string_t::value_type>>::value
-#if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) and _MSC_VER <= 1914))
+#if defined(JSON_HAS_CPP_17) && (defined(__GNUC__) || (defined(_MSC_VER) and _MSC_VER >= 1910 and _MSC_VER <= 1914))
                    and not std::is_same<ValueType, typename std::string_view>::value
 #endif
                    and detail::is_detected<detail::get_template_function, const basic_json_t&, ValueType>::value

test/CMakeLists.txt

@@ -183,6 +183,7 @@ add_dependencies(json_unit download_test_data)
 #############################################################################
 # Test the generated build configs
 #############################################################################
+
 add_subdirectory(cmake_import)
 add_subdirectory(cmake_import_minver)
 add_subdirectory(cmake_add_subdirectory)

test/src/unit-class_parser.cpp

@@ -1489,6 +1489,18 @@ TEST_CASE("parser class")
             [1,2,[3,4,5],4,5]
         )";
 
+        auto structured_array = R"(
+            [
+                1,
+                {
+                     "foo": "bar"
+                },
+                {
+                     "qux": "baz"
+                }
+            ]
+        )";
+
         SECTION("filter nothing")
         {
             json j_object = json::parse(s_object, [](int, json::parse_event_t, const json&)
@@ -1557,6 +1569,41 @@ TEST_CASE("parser class")
             CHECK (j_array == json({1, {3, 4, 5}, 4, 5}));
         }
 
+        SECTION("filter object in array")
+        {
+            json j_filtered1 = json::parse(structured_array, [](int, json::parse_event_t e, const json & parsed)
+            {
+                if (e == json::parse_event_t::object_end and parsed.contains("foo"))
+                {
+                    return false;
+                }
+                else
+                {
+                    return true;
+                }
+            });
+
+            // the specified object will be discarded, and removed.
+            CHECK (j_filtered1.size() == 2);
+            CHECK (j_filtered1 == json({1, {{"qux", "baz"}}}));
+
+            json j_filtered2 = json::parse(structured_array, [](int, json::parse_event_t e, const json & parsed)
+            {
+                if (e == json::parse_event_t::object_end)
+                {
+                    return false;
+                }
+                else
+                {
+                    return true;
+                }
+            });
+
+            // removed all objects in array.
+            CHECK (j_filtered2.size() == 1);
+            CHECK (j_filtered2 == json({1}));
+        }
+
         SECTION("filter specific events")
         {
             SECTION("first closing event")

test/src/unit-regression.cpp

@@ -1890,6 +1890,28 @@ TEST_CASE("regression tests")
         json j = val;
     }
 
+    SECTION("issue #1715 - json::from_cbor does not respect allow_exceptions = false when input is string literal")
+    {
+        SECTION("string literal")
+        {
+            json cbor = json::from_cbor("B", true, false);
+            CHECK(cbor.is_discarded());
+        }
+
+        SECTION("string array")
+        {
+            const char input[] = { 'B', 0x00 };
+            json cbor = json::from_cbor(input, true, false);
+            CHECK(cbor.is_discarded());
+        }
+
+        SECTION("std::string")
+        {
+            json cbor = json::from_cbor(std::string("B"), true, false);
+            CHECK(cbor.is_discarded());
+        }
+    }
+
     SECTION("issue #1805 - A pair<T1, T2> is json constructible only if T1 and T2 are json constructible")
     {
         static_assert(!std::is_constructible<json, std::pair<std::string, NotSerializableData>>::value, "");