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jkeiserjkeiser
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Add actual examples from basics.md to readme_examples
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‎.gitignore

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Original file line numberDiff line numberDiff line change
@@ -103,6 +103,7 @@ objs
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/perfdiff
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/pointercheck
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/readme_examples
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/readme_examples_noexceptions
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/statisticalmodel
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/stringparsingcheck
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/submodules
@@ -119,6 +120,7 @@ objs
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/tests/integer_tests
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/tests/parse_many_test
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/tests/readme_examples
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/tests/readme_examples_noexceptions
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/tools/json2json
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/tools/jsonstats
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/tools/minify

‎Makefile

Lines changed: 4 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -91,7 +91,7 @@ JSON_INCLUDE:=dependencies/json/single_include/nlohmann/json.hpp
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EXTRAOBJECTS=ujdecode.o
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MAINEXECUTABLES=parse minify json2json jsonstats statisticalmodel jsonpointer get_corpus_benchmark
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TESTEXECUTABLES=jsoncheck jsoncheck_westmere jsoncheck_fallback integer_tests numberparsingcheck stringparsingcheck pointercheck parse_many_test basictests errortests readme_examples
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TESTEXECUTABLES=jsoncheck jsoncheck_westmere jsoncheck_fallback integer_tests numberparsingcheck stringparsingcheck pointercheck parse_many_test basictests errortests readme_examples readme_examples_noexceptions
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COMPARISONEXECUTABLES=minifiercompetition parsingcompetition parseandstatcompetition distinctuseridcompetition allparserscheckfile allparsingcompetition
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SUPPLEMENTARYEXECUTABLES=parse_noutf8validation parse_nonumberparsing parse_nostringparsing
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@@ -111,9 +111,6 @@ run_basictests: basictests
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run_errortests: errortests
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./errortests
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run_readme_examples: readme_examples
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./readme_examples
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run_numberparsingcheck: numberparsingcheck
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./numberparsingcheck
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@@ -161,7 +158,7 @@ test: quicktests slowtests
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quiettest: quicktests slowtests
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quicktests: run_basictests run_quickstart run_readme_examples run_jsoncheck run_numberparsingcheck run_integer_tests run_stringparsingcheck run_jsoncheck run_parse_many_test run_pointercheck run_jsoncheck_westmere run_jsoncheck_fallback
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quicktests: run_basictests run_quickstart readme_examples readme_examples_noexceptions run_jsoncheck run_numberparsingcheck run_integer_tests run_stringparsingcheck run_jsoncheck run_parse_many_test run_pointercheck run_jsoncheck_westmere run_jsoncheck_fallback
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slowtests: run_testjson2json_sh run_issue150_sh
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@@ -234,6 +231,8 @@ errortests:tests/errortests.cpp $(HEADERS) $(LIBFILES)
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readme_examples: tests/readme_examples.cpp $(HEADERS) $(LIBFILES)
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$(CXX) $(CXXFLAGS) -o readme_examples tests/readme_examples.cpp -I. $(LIBFILES) $(LIBFLAGS)
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readme_examples_noexceptions: tests/readme_examples_noexceptions.cpp $(HEADERS) $(LIBFILES)
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$(CXX) $(CXXFLAGS) -o readme_examples_noexceptions tests/readme_examples_noexceptions.cpp -I. $(LIBFILES) $(LIBFLAGS) -fno-exceptions
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numberparsingcheck: tests/numberparsingcheck.cpp $(HEADERS) src/simdjson.cpp
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$(CXX) $(CXXFLAGS) -o numberparsingcheck tests/numberparsingcheck.cpp -I. $(LIBFLAGS) -DJSON_TEST_NUMBERS

‎doc/basics.md

Lines changed: 36 additions & 35 deletions
Original file line numberDiff line numberDiff line change
@@ -102,8 +102,6 @@ for (dom::object car : cars) {
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}
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```
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JSON Pointer
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------------
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@@ -144,7 +142,7 @@ behavior.
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>
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> ```c++
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> dom::element doc;
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> error_code error;
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> simdjson::error_code error;
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> parser.parse(json).tie(doc, error); // <-- Assigns to doc and error just like "auto [doc, error]"
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> ```
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@@ -154,48 +152,50 @@ This is how the example in "Using the Parsed JSON" could be written using only e
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```c++
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auto cars_json = R"( [
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{ "make": "Toyota", "model": "Camry", "year": 2018, "tire_pressure": [ 40.1, 39.9, 37.7, 40.4 ] },
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{ "make": "Kia", "model": "Soul", "year": 2012, "tire_pressure": [ 30.1, 31.0, 28.6, 28.7 ] },
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{ "make": "Toyota", "model": "Tercel", "year": 1999, "tire_pressure": [ 29.8, 30.0, 30.2, 30.5 ] }
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{ "make": "Toyota", "model": "Camry", "year": 2018, "tire_pressure": [ 40.1, 39.9, 37.7, 40.4 ] },
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{ "make": "Kia", "model": "Soul", "year": 2012, "tire_pressure": [ 30.1, 31.0, 28.6, 28.7 ] },
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{ "make": "Toyota", "model": "Tercel", "year": 1999, "tire_pressure": [ 29.8, 30.0, 30.2, 30.5 ] }
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] )"_padded;
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dom::parser parser;
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auto [doc, error] = parser.parse(cars_json);
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auto [cars, error] = parser.parse(cars_json).get<dom::array>();
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if (error) { cerr << error << endl; exit(1); }
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// Iterating through an array of objects
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for (dom::element car_element : cars) {
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dom::object car;
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car_element.get<dom::object>().tie(car, error);
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if (error) { cerr << error << endl; exit(1); }
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dom::object car;
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car_element.get<dom::object>().tie(car, error);
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if (error) { cerr << error << endl; exit(1); }
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// Accessing a field by name
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dom::element make, model;
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car["make"].tie(make, error);
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if (error) { cerr << error << endl; exit(1); }
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car["model"].tie(model, error);
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if (error) { cerr << error << endl; exit(1); }
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cout << "Make/Model: " << make << "/" << model << endl;
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// Accessing a field by name
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dom::element make, model;
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car["make"].tie(make, error);
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if (error) { cerr << error << endl; exit(1); }
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car["model"].tie(model, error);
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if (error) { cerr << error << endl; exit(1); }
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cout << "Make/Model: " << make << "/" << model << endl;
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// Casting a JSON element to an integer
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uint64_t year;
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car["year"].get<uint64_t>().tie(year, error);
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if (error) { cerr << error << endl; exit(1); }
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cout << "- This car is " << 2020 - year << "years old." << endl;
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// Casting a JSON element to an integer
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uint64_t year;
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car["year"].get<uint64_t>().tie(year, error);
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if (error) { cerr << error << endl; exit(1); }
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cout << "- This car is " << 2020 - year << "years old." << endl;
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// Iterating through an array of floats
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double total_tire_pressure = 0;
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for (dom::element tire_pressure_element : car["tire_pressure"]) {
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// Iterating through an array of floats
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double total_tire_pressure = 0;
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dom::array tire_pressure_array;
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car["tire_pressure"].get<dom::array>().tie(tire_pressure_array, error);
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if (error) { cerr << error << endl; exit(1); }
188+
for (dom::element tire_pressure_element : tire_pressure_array) {
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double tire_pressure;
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tire_pressure_element.get<uint64_t>().tie(tire_pressure, error);
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tire_pressure_element.get<double>().tie(tire_pressure, error);
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if (error) { cerr << error << endl; exit(1); }
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total_tire_pressure += tire_pressure;
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}
193-
cout << "- Average tire pressure: " << (total_tire_pressure / 4) << endl;
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}
194+
cout << "- Average tire pressure: " << (total_tire_pressure / 4) << endl;
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195-
// Writing out all the information about the car
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for (auto [key, value] : car) {
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// Writing out all the information about the car
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for (auto [key, value] : car) {
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cout << "- " << key << ": " << value << endl;
198-
}
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}
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```
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@@ -215,14 +215,15 @@ Newline-Delimited JSON (ndjson) and JSON lines
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The simdjson library also support multithreaded JSON streaming through a large file containing many smaller JSON documents in either [ndjson](http://ndjson.org) or [JSON lines](http://jsonlines.org) format. If your JSON documents all contain arrays or objects, we even support direct file concatenation without whitespace. The concatenated file has no size restrictions (including larger than 4GB), though each individual document must be less than 4GB.
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218-
Here is a simple example:
218+
Here is a simple example, given "x.json" with this content:
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220-
```cpp
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auto ndjson = R"(
220+
```json
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{ "foo": 1 }
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{ "foo": 2 }
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{ "foo": 3 }
225-
)"_padded;
224+
```
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```c++
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dom::parser parser;
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for (dom::element doc : parser.load_many(filename)) {
228229
cout << doc["foo"] << endl;

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