jsoncons recipe

recipes/jsoncons/all/conandata.yml

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+sources:
+  "0.169.0":
+    url: "https://github.com/danielaparker/jsoncons/archive/refs/tags/v0.169.0.tar.gz"
+    sha256: 423dc99d6950056fb55782513daf74adf37501eaf01b977b2415873cd0c44243

recipes/jsoncons/all/conanfile.py

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+from conan import ConanFile
+from conan.tools.files import get, copy
+from conan.tools.layout import basic_layout
+import os
+
+required_conan_version = ">=1.50.0"
+
+
+class JsonconsConan(ConanFile):
+    name = "jsoncons"
+    description = "A C++, header-only library for constructing JSON and JSON-like data formats, with JSON Pointer, JSON Patch, JSON Schema, JSONPath, JMESPath, CSV, MessagePack, CBOR, BSON, UBJSON"
+    license = "BSL-1.0"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://github.com/danielaparker/jsoncons"
+    topics = ("json", "csv", "cpp", "json-serialization", "cbor", "json-parser", "messagepack", "json-pointer", "json-patch", "json-diff", "bson", "ubjson", "json-parsing", "jsonpath", "jmespath", "csv-parser", "csv-reader", "jsonschema", "json-construction", "streaming-json-read", "header-only")
+    settings = "os", "arch", "compiler", "build_type"
+    no_copy_source = True
+
+    def layout(self):
+        basic_layout(self, src_folder="src")
+
+    def package_id(self):
+        self.info.clear()
+
+    def source(self):
+        get(
+            self, 
+            **self.conan_data["sources"][self.version],
+            destination=self.source_folder,
+            strip_root=True
+        )
+
+    def package(self):
+        copy(self, pattern="LICENSE", src=self.source_folder, dst=os.path.join(self.package_folder, "licenses"))
+        copy(self, pattern="*", src=os.path.join(self.source_folder, "include"), dst=os.path.join(self.package_folder, "include"))
+
+    def package_info(self):
+        # Folders not used for header-only
+        self.cpp_info.bindirs = []
+        self.cpp_info.libdirs = []
+
+        self.cpp_info.set_property("cmake_file_name", "jsoncons")
+        self.cpp_info.set_property("cmake_target_name", "jsoncons")
+
+        # TODO: to remove in conan v2 once cmake_find_package* generators removed
+        self.cpp_info.names["cmake_find_package"] = "jsoncons"
+        self.cpp_info.names["cmake_find_package_multi"] = "jsoncons"

recipes/jsoncons/all/test_package/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.8)
+project(test_package)
+
+find_package(jsoncons CONFIG REQUIRED)
+
+add_executable(${PROJECT_NAME} test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE jsoncons)
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_11)

recipes/jsoncons/all/test_package/conanfile.py

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+import os
+from conan import ConanFile
+from conan.tools.build import can_run
+from conan.tools.cmake import CMake, cmake_layout
+
+required_conan_version = ">=1.50.0"
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "CMakeDeps", "CMakeToolchain", "VirtualRunEnv"
+    test_type = "explicit"
+
+    def requirements(self):
+        self.requires(self.tested_reference_str)
+
+    def layout(self):
+        cmake_layout(self)
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if can_run(self):
+            bin_path = os.path.join(self.cpp.build.bindirs[0], "test_package")
+            self.run(bin_path, env="conanrun")

recipes/jsoncons/all/test_package/test_package.cpp

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+#include <jsoncons/json.hpp>
+#include <jsoncons_ext/jsonpath/jsonpath.hpp>
+#include <iostream>
+
+using namespace jsoncons; // for convenience
+
+std::string data = R"(
+    {
+       "application": "hiking",
+       "reputons": [
+       {
+           "rater": "HikingAsylum",
+           "assertion": "advanced",
+           "rated": "Marilyn C",
+           "rating": 0.90,
+           "generated": 1514862245
+         }
+       ]
+    }
+)";
+
+int main()
+{
+    // Parse the string of data into a json value
+    json j = json::parse(data);
+
+    // Does object member reputons exist?
+    std::cout << "(1) " << std::boolalpha << j.contains("reputons") << "\n\n";
+
+    // Get a reference to reputons array 
+    const json& v = j["reputons"]; 
+
+    // Iterate over reputons array 
+    std::cout << "(2)\n";
+    for (const auto& item : v.array_range())
+    {
+        // Access rated as string and rating as double
+        std::cout << item["rated"].as<std::string>() << ", " << item["rating"].as<double>() << "\n";
+    }
+    std::cout << "\n";
+
+    // Select all "rated" with JSONPath
+    std::cout << "(3)\n";
+    json result = jsonpath::json_query(j,"$..rated");
+    std::cout << pretty_print(result) << "\n\n";
+
+    // Serialize back to JSON
+    std::cout << "(4)\n" << pretty_print(j) << "\n\n";
+}

recipes/jsoncons/all/test_v1_package/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.8)
+project(test_package)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup(TARGETS)
+
+find_package(jsoncons CONFIG REQUIRED)
+
+add_executable(${PROJECT_NAME} ../test_package/test_package.cpp)
+target_link_libraries(${PROJECT_NAME} PRIVATE jsoncons::jsoncons)
+target_compile_features(${PROJECT_NAME} PRIVATE cxx_std_11)

recipes/jsoncons/all/test_v1_package/conanfile.py

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+from conans import ConanFile, CMake
+from conan.tools.build import cross_building
+import os
+
+
+class TestPackageConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake", "cmake_find_package_multi"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not cross_building(self):
+            bin_path = os.path.join("bin", "test_package")
+            self.run(bin_path, run_environment=True)

recipes/jsoncons/config.yml

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+versions:
+  "0.169.0":
+    folder: "all"