Remove validator example scine it requires nlohmann's json.hpp

Embed json11.cpp/json11.hpp into `tiny_gltf.h`
This commit is contained in:
Syoyo Fujita 2019-02-15 17:40:07 +09:00
parent 9e4a4d5b94
commit 06f93c859d
19 changed files with 1053 additions and 15592 deletions

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@ -10,10 +10,8 @@ ADD_EXECUTABLE ( loader_example
ADD_SUBDIRECTORY ( examples/gltfutil ) ADD_SUBDIRECTORY ( examples/gltfutil )
ADD_SUBDIRECTORY ( examples/glview ) ADD_SUBDIRECTORY ( examples/glview )
ADD_SUBDIRECTORY ( examples/validator )
INSTALL ( FILES INSTALL ( FILES
json.hpp
stb_image.h stb_image.h
stb_image_write.h stb_image_write.h
tiny_gltf.h tiny_gltf.h

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@ -3,7 +3,7 @@
#EXTRA_CXXFLAGS := -fsanitize=address -Wall -Werror -Weverything -Wno-c++11-long-long -Wno-c++98-compat #EXTRA_CXXFLAGS := -fsanitize=address -Wall -Werror -Weverything -Wno-c++11-long-long -Wno-c++98-compat
all: all:
clang++ $(EXTRA_CXXFLAGS) -std=c++11 -g -O0 -o loader_example loader_example.cc json11.cpp clang++ $(EXTRA_CXXFLAGS) -std=c++11 -g -O0 -o loader_example loader_example.cc
lint: lint:
deps/cpplint.py tiny_gltf.h deps/cpplint.py tiny_gltf.h

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@ -28,6 +28,7 @@ v2.0.0 release(22 Aug, 2018)!
* [x] Android NDK * [x] Android NDK
* [x] Android + CrystaX(NDK drop-in replacement) GCC * [x] Android + CrystaX(NDK drop-in replacement) GCC
* [x] Web using Emscripten(LLVM) * [x] Web using Emscripten(LLVM)
* [x] Can be compiled with no RTTI, noexception.
* Moderate parsing time and memory consumption. * Moderate parsing time and memory consumption.
* glTF specification v2.0.0 * glTF specification v2.0.0
* [x] ASCII glTF * [x] ASCII glTF
@ -91,7 +92,8 @@ TinyGLTF uses the following third party libraries.
## Build and example ## Build and example
Copy `stb_image.h`, `stb_image_write.h`, `json.hpp` and `tiny_gltf.h` to your project. Copy `stb_image.h`, `stb_image_write.h`, and `tiny_gltf.h` to your project.
json11 code is embeded into `tiny_gltf.h`
### Loading glTF 2.0 model ### Loading glTF 2.0 model
@ -100,7 +102,9 @@ Copy `stb_image.h`, `stb_image_write.h`, `json.hpp` and `tiny_gltf.h` to your pr
#define TINYGLTF_IMPLEMENTATION #define TINYGLTF_IMPLEMENTATION
#define STB_IMAGE_IMPLEMENTATION #define STB_IMAGE_IMPLEMENTATION
#define STB_IMAGE_WRITE_IMPLEMENTATION #define STB_IMAGE_WRITE_IMPLEMENTATION
// #define TINYGLTF_NOEXCEPTION // optional. disable exception handling. // Optional. Uncomment these if you want external json11.cpp instead of embedded json11.cpp code
//#define TINYGLTF_USE_EXTERNAL_JSON11_CPP
//#include "json11.hpp"
#include "tiny_gltf.h" #include "tiny_gltf.h"
using namespace tinygltf; using namespace tinygltf;
@ -129,12 +133,12 @@ if (!ret) {
## Compile options ## Compile options
* `TINYGLTF_NOEXCEPTION` : Disable C++ exception in JSON parsing. You can use `-fno-exceptions` or by defining the symbol `JSON_NOEXCEPTION` and `TINYGLTF_NOEXCEPTION` to fully remove C++ exception codes when compiling TinyGLTF.
* `TINYGLTF_NO_STB_IMAGE` : Do not load images with stb_image. Instead use `TinyGLTF::SetImageLoader(LoadimageDataFunction LoadImageData, void *user_data)` to set a callback for loading images. * `TINYGLTF_NO_STB_IMAGE` : Do not load images with stb_image. Instead use `TinyGLTF::SetImageLoader(LoadimageDataFunction LoadImageData, void *user_data)` to set a callback for loading images.
* `TINYGLTF_NO_STB_IMAGE_WRITE` : Do not write images with stb_image_write. Instead use `TinyGLTF::SetImageWriter(WriteimageDataFunction WriteImageData, void *user_data)` to set a callback for writing images. * `TINYGLTF_NO_STB_IMAGE_WRITE` : Do not write images with stb_image_write. Instead use `TinyGLTF::SetImageWriter(WriteimageDataFunction WriteImageData, void *user_data)` to set a callback for writing images.
* `TINYGLTF_NO_EXTERNAL_IMAGE` : Do not try to load external image file. This option woulde be helpful if you do not want load image file during glTF parsing. * `TINYGLTF_NO_EXTERNAL_IMAGE` : Do not try to load external image file. This option woulde be helpful if you do not want load image file during glTF parsing.
* `TINYGLTF_ANDROID_LOAD_FROM_ASSETS`: Load all files from packaged app assets instead of the regular file system. **Note:** You must pass a valid asset manager from your android app to `tinygltf::asset_manager` beforehand. * `TINYGLTF_ANDROID_LOAD_FROM_ASSETS`: Load all files from packaged app assets instead of the regular file system. **Note:** You must pass a valid asset manager from your android app to `tinygltf::asset_manager` beforehand.
* `TINYGLTF_ENABLE_DRACO`: Enable Draco compression. User must provide include path and link correspnding libraries in your project file. * `TINYGLTF_ENABLE_DRACO`: Enable Draco compression. User must provide include path and link correspnding libraries in your project file.
* `TINYGLTF_USE_EXTERNAL_JSON11_CPP` : Use externally supplied json11.cpp/json11.hpp. This option may be helpful if you use json11.cpp in other source codes of your project.
### Saving gltTF 2.0 model ### Saving gltTF 2.0 model
* [ ] Buffers. * [ ] Buffers.

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@ -312,7 +312,11 @@ int main(int argc, char **argv) {
glewExperimental = GL_TRUE; glewExperimental = GL_TRUE;
#endif #endif
glewInit(); if (glewInit() != GLEW_OK) {
std::cerr << "glew init error." << std::endl;
return EXIT_FAILURE;
}
std::cout << glGetString(GL_RENDERER) << ", " << glGetString(GL_VERSION) std::cout << glGetString(GL_RENDERER) << ", " << glGetString(GL_VERSION)
<< std::endl; << std::endl;

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@ -45,7 +45,6 @@ include_directories(
add_executable(glview add_executable(glview
glview.cc glview.cc
../../json11.cpp
../common/trackball.cc ../common/trackball.cc
) )

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@ -1,53 +0,0 @@
project(tinygltf-validator CXX)
cmake_minimum_required(VERSION 3.2)
# exe
add_executable(tinygltf-validator
app/tinygltf-validate.cc
src/json-schema.hpp
src/json-schema-draft4.json.cpp
src/json-uri.cpp
src/json-validator.cpp)
target_include_directories(tinygltf-validator
PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/src)
target_compile_features(tinygltf-validator
PUBLIC
cxx_range_for) # for C++11 - flags
# Enable more compiler warnings, except when using Visual Studio compiler
if(NOT MSVC)
target_compile_options(tinygltf-validator
PUBLIC
-Wall -Wextra)
endif()
target_compile_definitions(tinygltf-validator
PRIVATE
-DJSON_SCHEMA_VALIDATOR_EXPORTS)
# regex with boost if gcc < 4.8 - default is std::regex
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "4.9.0")
find_package(Boost COMPONENTS regex)
if(NOT Boost_FOUND)
message(STATUS "GCC less then 4.9 and boost-regex NOT found - no regex used")
target_compile_definitions(tinygltf-validator PRIVATE -DJSON_SCHEMA_NO_REGEX)
else()
message(STATUS "GCC less then 4.9 and boost-regex FOUND - using boost::regex")
target_compile_definitions(tinygltf-validator PRIVATE -DJSON_SCHEMA_BOOST_REGEX)
target_include_directories(tinygltf-validator PRIVATE ${Boost_INCLUDE_DIRS})
target_link_libraries(tinygltf-validator PRIVATE ${Boost_LIBRARIES})
endif()
endif()
endif()
# test-zone
# enable_testing()
install ( TARGETS
tinygltf-validator
DESTINATION
bin
)

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@ -1,22 +0,0 @@
Modern C++ JSON schema validator is licensed under the MIT License
<http://opensource.org/licenses/MIT>:
Copyright (c) 2016 Patrick Boettcher
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -1,21 +0,0 @@
MIT License
Copyright (c) 2013-2017 Niels Lohmann
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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@ -1,32 +0,0 @@
# tinygltf-validator
TinyGLTF validator based on Modern C++ JSON schema validator https://github.com/pboettch/json-schema-validator
## Status
Experimental. W.I.P.
## Requirements
* C++11 compiler
* CMake
## How to build
```
$ mkdir build
$ cd build
$ cmake ..
$ make
```
## How to use
```
$ gltf-validator /path/to/file.gltf /path/to/gltf-schema
```
## Third party licenses
* json.hpp https://github.com/nlohmann/json : MIT
* json-schema-validator https://github.com/pboettch/json-schema-validator : MIT

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@ -1,140 +0,0 @@
/*
* Modern C++ JSON schema validator
*
* Licensed under the MIT License <http://opensource.org/licenses/MIT>.
*
* Copyright (c) 2016 Patrick Boettcher <patrick.boettcher@posteo.de>.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
* NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <json-schema.hpp>
#include <fstream>
#include <iostream>
using nlohmann::json;
using nlohmann::json_uri;
using nlohmann::json_schema_draft4::json_validator;
static void usage(const char *name)
{
std::cerr << "Usage: " << name << " <gltf file> <gltf schema dir>\n";
std::cerr << " schema dir : $glTF/specification/2.0/schema\n";
exit(EXIT_FAILURE);
}
#if 0
resolver r(nlohmann::json_schema_draft4::root_schema,
nlohmann::json_schema_draft4::root_schema["id"]);
schema_refs_.insert(r.schema_refs.begin(), r.schema_refs.end());
assert(r.undefined_refs.size() == 0);
#endif
#if 0
static void loader(const json_uri &uri, json &schema)
{
std::fstream lf("." + uri.path());
if (!lf.good())
throw std::invalid_argument("could not open " + uri.url() + " tried with " + uri.path());
try {
lf >> schema;
} catch (std::exception &e) {
throw e;
}
}
#endif
bool validate(const std::string &schema_dir, const std::string &filename)
{
std::string gltf_schema = schema_dir + "/glTF.schema.json";
std::fstream f(gltf_schema);
if (!f.good()) {
std::cerr << "could not open " << gltf_schema << " for reading\n";
return false;
}
// 1) Read the schema for the document you want to validate
json schema;
try {
f >> schema;
} catch (std::exception &e) {
std::cerr << e.what() << " at " << f.tellp() << " - while parsing the schema\n";
return false;
}
// 2) create the validator and
json_validator validator([&schema_dir](const json_uri &uri, json &schema) {
std::cout << "uri.url : " << uri.url() << std::endl;
std::cout << "uri.path : " << uri.path() << std::endl;
std::fstream lf(schema_dir + "/" + uri.path());
if (!lf.good())
throw std::invalid_argument("could not open " + uri.url() + " tried with " + uri.path());
try {
lf >> schema;
} catch (std::exception &e) {
throw e;
}
}, [](const std::string &, const std::string &) {});
try {
// insert this schema as the root to the validator
// this resolves remote-schemas, sub-schemas and references via the given loader-function
validator.set_root_schema(schema);
} catch (std::exception &e) {
std::cerr << "setting root schema failed\n";
std::cerr << e.what() << "\n";
}
// 3) do the actual validation of the document
json document;
std::fstream d(filename);
if (!d.good()) {
std::cerr << "could not open " << filename << " for reading\n";
return false;
}
try {
d >> document;
validator.validate(document);
} catch (std::exception &e) {
std::cerr << "schema validation failed\n";
std::cerr << e.what() << " at offset: " << d.tellg() << "\n";
return false;
}
std::cerr << "document is valid\n";
return true;
}
int main(int argc, char *argv[])
{
if (argc != 3)
usage(argv[0]);
bool ret = validate(argv[1], argv[2]);
return ret ? EXIT_SUCCESS : EXIT_FAILURE;
}

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@ -1,160 +0,0 @@
#include <json-schema.hpp>
namespace nlohmann
{
namespace json_schema_draft4
{
json draft4_schema_builtin = R"( {
"id": "http://json-schema.org/draft-04/schema#",
"$schema": "http://json-schema.org/draft-04/schema#",
"description": "Core schema meta-schema",
"definitions": {
"schemaArray": {
"type": "array",
"minItems": 1,
"items": { "$ref": "#" }
},
"positiveInteger": {
"type": "integer",
"minimum": 0
},
"positiveIntegerDefault0": {
"allOf": [ { "$ref": "#/definitions/positiveInteger" }, { "default": 0 } ]
},
"simpleTypes": {
"enum": [ "array", "boolean", "integer", "null", "number", "object", "string" ]
},
"stringArray": {
"type": "array",
"items": { "type": "string" },
"minItems": 1,
"uniqueItems": true
}
},
"type": "object",
"properties": {
"id": {
"type": "string",
"format": "uri"
},
"$schema": {
"type": "string",
"format": "uri"
},
"title": {
"type": "string"
},
"description": {
"type": "string"
},
"default": {},
"multipleOf": {
"type": "number",
"minimum": 0,
"exclusiveMinimum": true
},
"maximum": {
"type": "number"
},
"exclusiveMaximum": {
"type": "boolean",
"default": false
},
"minimum": {
"type": "number"
},
"exclusiveMinimum": {
"type": "boolean",
"default": false
},
"maxLength": { "$ref": "#/definitions/positiveInteger" },
"minLength": { "$ref": "#/definitions/positiveIntegerDefault0" },
"pattern": {
"type": "string",
"format": "regex"
},
"additionalItems": {
"anyOf": [
{ "type": "boolean" },
{ "$ref": "#" }
],
"default": {}
},
"items": {
"anyOf": [
{ "$ref": "#" },
{ "$ref": "#/definitions/schemaArray" }
],
"default": {}
},
"maxItems": { "$ref": "#/definitions/positiveInteger" },
"minItems": { "$ref": "#/definitions/positiveIntegerDefault0" },
"uniqueItems": {
"type": "boolean",
"default": false
},
"maxProperties": { "$ref": "#/definitions/positiveInteger" },
"minProperties": { "$ref": "#/definitions/positiveIntegerDefault0" },
"required": { "$ref": "#/definitions/stringArray" },
"additionalProperties": {
"anyOf": [
{ "type": "boolean" },
{ "$ref": "#" }
],
"default": {}
},
"definitions": {
"type": "object",
"additionalProperties": { "$ref": "#" },
"default": {}
},
"properties": {
"type": "object",
"additionalProperties": { "$ref": "#" },
"default": {}
},
"patternProperties": {
"type": "object",
"additionalProperties": { "$ref": "#" },
"default": {}
},
"dependencies": {
"type": "object",
"additionalProperties": {
"anyOf": [
{ "$ref": "#" },
{ "$ref": "#/definitions/stringArray" }
]
}
},
"enum": {
"type": "array",
"minItems": 1,
"uniqueItems": true
},
"type": {
"anyOf": [
{ "$ref": "#/definitions/simpleTypes" },
{
"type": "array",
"items": { "$ref": "#/definitions/simpleTypes" },
"minItems": 1,
"uniqueItems": true
}
]
},
"allOf": { "$ref": "#/definitions/schemaArray" },
"anyOf": { "$ref": "#/definitions/schemaArray" },
"oneOf": { "$ref": "#/definitions/schemaArray" },
"not": { "$ref": "#" }
},
"dependencies": {
"exclusiveMaximum": [ "maximum" ],
"exclusiveMinimum": [ "minimum" ]
},
"default": {}
} )"_json;
}
}

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@ -1,201 +0,0 @@
/*
* Modern C++ JSON schema validator
*
* Licensed under the MIT License <http://opensource.org/licenses/MIT>.
*
* Copyright (c) 2016 Patrick Boettcher <patrick.boettcher@posteo.de>.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
* NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef NLOHMANN_JSON_SCHEMA_HPP__
#define NLOHMANN_JSON_SCHEMA_HPP__
#ifdef _WIN32
# ifdef JSON_SCHEMA_VALIDATOR_EXPORTS
# define JSON_SCHEMA_VALIDATOR_API __declspec(dllexport)
# else
# define JSON_SCHEMA_VALIDATOR_API __declspec(dllimport)
# endif
#else
# define JSON_SCHEMA_VALIDATOR_API
#endif
#include <json.hpp>
// make yourself a home - welcome to nlohmann's namespace
namespace nlohmann
{
// a class representing a JSON-pointer RFC6901
//
// examples of JSON pointers
//
// # - root of the current document
// #item - refers to the object which is identified ("id") by `item`
// in the current document
// #/path/to/element
// - refers to the element in /path/to from the root-document
//
//
// The json_pointer-class stores everything in a string, which might seem bizarre
// as parsing is done from a string to a string, but from_string() is also
// doing some formatting.
//
// TODO
// ~ and % - codec
// needs testing and clarification regarding the '#' at the beginning
class json_pointer
{
std::string str_;
void from_string(const std::string &r);
public:
json_pointer(const std::string &s = "")
{
from_string(s);
}
void append(const std::string &elem)
{
str_.append(elem);
}
const std::string &to_string() const
{
return str_;
}
};
// A class representing a JSON-URI for schemas derived from
// section 8 of JSON Schema: A Media Type for Describing JSON Documents
// draft-wright-json-schema-00
//
// New URIs can be derived from it using the derive()-method.
// This is useful for resolving refs or subschema-IDs in json-schemas.
//
// This is done implement the requirements described in section 8.2.
//
class JSON_SCHEMA_VALIDATOR_API json_uri
{
std::string urn_;
std::string proto_;
std::string hostname_;
std::string path_;
json_pointer pointer_;
protected:
// decodes a JSON uri and replaces all or part of the currently stored values
void from_string(const std::string &uri);
std::tuple<std::string, std::string, std::string, std::string, std::string> tie() const
{
return std::tie(urn_, proto_, hostname_, path_, pointer_.to_string());
}
public:
json_uri(const std::string &uri)
{
from_string(uri);
}
const std::string protocol() const { return proto_; }
const std::string hostname() const { return hostname_; }
const std::string path() const { return path_; }
const json_pointer pointer() const { return pointer_; }
const std::string url() const;
// decode and encode strings for ~ and % escape sequences
static std::string unescape(const std::string &);
static std::string escape(const std::string &);
// create a new json_uri based in this one and the given uri
// resolves relative changes (pathes or pointers) and resets part if proto or hostname changes
json_uri derive(const std::string &uri) const
{
json_uri u = *this;
u.from_string(uri);
return u;
}
// append a pointer-field to the pointer-part of this uri
json_uri append(const std::string &field) const
{
json_uri u = *this;
u.pointer_.append("/" + field);
return u;
}
std::string to_string() const;
friend bool operator<(const json_uri &l, const json_uri &r)
{
return l.tie() < r.tie();
}
friend bool operator==(const json_uri &l, const json_uri &r)
{
return l.tie() == r.tie();
}
friend std::ostream &operator<<(std::ostream &os, const json_uri &u);
};
namespace json_schema_draft4
{
extern json draft4_schema_builtin;
class JSON_SCHEMA_VALIDATOR_API json_validator
{
std::vector<std::shared_ptr<json>> schema_store_;
std::shared_ptr<json> root_schema_;
std::function<void(const json_uri &, json &)> schema_loader_ = nullptr;
std::function<void(const std::string &, const std::string &)> format_check_ = nullptr;
std::map<json_uri, const json *> schema_refs_;
void validate(const json &instance, const json &schema_, const std::string &name);
void validate_array(const json &instance, const json &schema_, const std::string &name);
void validate_object(const json &instance, const json &schema_, const std::string &name);
void validate_string(const json &instance, const json &schema, const std::string &name);
void insert_schema(const json &input, const json_uri &id);
public:
json_validator(std::function<void(const json_uri &, json &)> loader = nullptr,
std::function<void(const std::string &, const std::string &)> format = nullptr)
: schema_loader_(loader), format_check_(format)
{
}
// insert and set a root-schema
void set_root_schema(const json &);
// validate a json-document based on the root-schema
void validate(const json &instance);
};
} // json_schema_draft4
} // nlohmann
#endif /* NLOHMANN_JSON_SCHEMA_HPP__ */

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@ -1,190 +0,0 @@
/*
* Modern C++ JSON schema validator
*
* Licensed under the MIT License <http://opensource.org/licenses/MIT>.
*
* Copyright (c) 2016 Patrick Boettcher <patrick.boettcher@posteo.de>.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
* NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "json-schema.hpp"
namespace nlohmann
{
void json_pointer::from_string(const std::string &r)
{
str_ = "#";
if (r.size() == 0)
return;
if (r[0] != '#')
throw std::invalid_argument("not a valid JSON pointer - missing # at the beginning");
if (r.size() == 1)
return;
std::size_t pos = 1;
do {
std::size_t next = r.find('/', pos + 1);
str_.append(r.substr(pos, next - pos));
pos = next;
} while (pos != std::string::npos);
}
void json_uri::from_string(const std::string &uri)
{
// if it is an urn take it as it is - maybe there is more to be done
if (uri.find("urn:") == 0) {
urn_ = uri;
return;
}
std::string pointer = "#"; // default pointer is the root
// first split the URI into URL and JSON-pointer
auto pointer_separator = uri.find('#');
if (pointer_separator != std::string::npos) // and extract the JSON-pointer-string if found
pointer = uri.substr(pointer_separator);
// the rest is an URL
std::string url = uri.substr(0, pointer_separator);
if (url.size()) { // if an URL is part of the URI
std::size_t pos = 0;
auto proto = url.find("://", pos);
if (proto != std::string::npos) { // extract the protocol
proto_ = url.substr(pos, proto - pos);
pos = 3 + proto; // 3 == "://"
auto hostname = url.find("/", pos);
if (hostname != std::string::npos) { // and the hostname (no proto without hostname)
hostname_ = url.substr(pos, hostname - pos);
pos = hostname;
}
}
// the rest is the path
auto path = url.substr(pos);
if (path[0] == '/') // if it starts with a / it is root-path
path_ = path;
else { // otherwise it is a subfolder
// HACK(syoyo): Force append '/' for glTF json schemas
path_ = path;
//path_.append(path);
}
pointer_ = json_pointer("");
}
if (pointer.size() > 0)
pointer_ = pointer;
}
const std::string json_uri::url() const
{
std::stringstream s;
if (proto_.size() > 0)
s << proto_ << "://";
s << hostname_
<< path_;
return s.str();
}
std::string json_uri::to_string() const
{
std::stringstream s;
s << urn_
<< url()
<< pointer_.to_string();
return s.str();
}
std::ostream &operator<<(std::ostream &os, const json_uri &u)
{
return os << u.to_string();
}
std::string json_uri::unescape(const std::string &src)
{
std::string l = src;
std::size_t pos = src.size() - 1;
do {
pos = l.rfind('~', pos);
if (pos == std::string::npos)
break;
if (pos < l.size() - 1) {
switch (l[pos + 1]) {
case '0':
l.replace(pos, 2, "~");
break;
case '1':
l.replace(pos, 2, "/");
break;
default:
break;
}
}
if (pos == 0)
break;
pos--;
} while (pos != std::string::npos);
// TODO - percent handling
return l;
}
std::string json_uri::escape(const std::string &src)
{
std::vector<std::pair<std::string, std::string>> chars = {
{"~", "~0"},
{"/", "~1"},
{"%", "%25"}};
std::string l = src;
for (const auto &c : chars) {
std::size_t pos = 0;
do {
pos = l.find(c.first, pos);
if (pos == std::string::npos)
break;
l.replace(pos, 1, c.second);
pos += c.second.size();
} while (1);
}
return l;
}
} // nlohmann

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@ -1,738 +0,0 @@
/*
* Modern C++ JSON schema validator
*
* Licensed under the MIT License <http://opensource.org/licenses/MIT>.
*
* Copyright (c) 2016 Patrick Boettcher <patrick.boettcher@posteo.de>.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
* NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <json-schema.hpp>
#include <set>
using nlohmann::json;
using nlohmann::json_uri;
#ifdef JSON_SCHEMA_BOOST_REGEX
#include <boost/regex.hpp>
#define REGEX_NAMESPACE boost
#elif defined(JSON_SCHEMA_NO_REGEX)
#define NO_STD_REGEX
#else
#include <regex>
#define REGEX_NAMESPACE std
#endif
namespace
{
class resolver
{
void resolve(json &schema, json_uri id)
{
// look for the id-field in this schema
auto fid = schema.find("id");
// found?
if (fid != schema.end() &&
fid.value().type() == json::value_t::string)
id = id.derive(fid.value()); // resolve to a full id with URL + path based on the parent
// already existing - error
if (schema_refs.find(id) != schema_refs.end())
throw std::invalid_argument("schema " + id.to_string() + " already present in local resolver");
// store a raw pointer to this (sub-)schema referenced by its absolute json_uri
// this (sub-)schema is part of a schema stored inside schema_store_ so we can the a raw-pointer-ref
schema_refs[id] = &schema;
for (auto i = schema.begin(), end = schema.end(); i != end; ++i) {
// FIXME: this inhibits the user adding properties with the key "default"
if (i.key() == "default") /* default value can be objects, but are not schemas */
continue;
switch (i.value().type()) {
case json::value_t::object: // child is object, it is a schema
resolve(i.value(), id.append(json_uri::escape(i.key())));
break;
case json::value_t::array: {
std::size_t index = 0;
auto child_id = id.append(json_uri::escape(i.key()));
for (auto &v : i.value()) {
if (v.type() == json::value_t::object) // array element is object
resolve(v, child_id.append(std::to_string(index)));
index++;
}
} break;
case json::value_t::string:
if (i.key() == "$ref") {
json_uri ref = id.derive(i.value());
i.value() = ref.to_string();
refs.insert(ref);
}
break;
default:
break;
}
}
}
std::set<json_uri> refs;
public:
std::set<json_uri> undefined_refs;
std::map<json_uri, const json *> schema_refs;
resolver(json &schema, json_uri id)
{
// if schema has an id use it as name and to retrieve the namespace (URL)
auto fid = schema.find("id");
if (fid != schema.end())
id = id.derive(fid.value());
resolve(schema, id);
// refs now contains all references
//
// local references should be resolvable inside the same URL
//
// undefined_refs will only contain external references
for (auto r : refs) {
if (schema_refs.find(r) == schema_refs.end()) {
if (r.url() == id.url()) // same url means referencing a sub-schema
// of the same document, which has not been found
throw std::invalid_argument("sub-schema " + r.pointer().to_string() +
" in schema " + id.to_string() + " not found");
undefined_refs.insert(r.url());
}
}
}
};
void validate_type(const json &schema, const std::string &expected_type, const std::string &name)
{
const auto &type_it = schema.find("type");
if (type_it == schema.end())
/* TODO something needs to be done here, I think */
return;
const auto &type_instance = type_it.value();
// any of the types in this array
if (type_instance.type() == json::value_t::array) {
if ((std::find(type_instance.begin(),
type_instance.end(),
expected_type) != type_instance.end()) ||
(expected_type == "integer" &&
std::find(type_instance.begin(),
type_instance.end(),
"number") != type_instance.end()))
return;
std::ostringstream s;
s << expected_type << " is not any of " << type_instance << " for " << name;
throw std::invalid_argument(s.str());
} else { // type_instance is a string
if (type_instance == expected_type ||
(type_instance == "number" && expected_type == "integer"))
return;
throw std::invalid_argument(name + " is " + expected_type +
", but required type is " + type_instance.get<std::string>());
}
}
void validate_enum(const json &instance, const json &schema, const std::string &name)
{
const auto &enum_value = schema.find("enum");
if (enum_value == schema.end())
return;
if (std::find(enum_value.value().begin(), enum_value.value().end(), instance) != enum_value.value().end())
return;
std::ostringstream s;
s << "invalid enum-value '" << instance << "' "
<< "for instance '" << name << "'. Candidates are " << enum_value.value() << ".";
throw std::invalid_argument(s.str());
}
void validate_boolean(const json & /*instance*/, const json &schema, const std::string &name)
{
validate_type(schema, "boolean", name);
}
void validate_numeric(const json &schema, const std::string &name, double value)
{
// multipleOf - if the rest of the division is 0 -> OK
const auto &multipleOf = schema.find("multipleOf");
if (multipleOf != schema.end()) {
if (multipleOf.value().get<double>() != 0.0) {
double v = value;
v /= multipleOf.value().get<double>();
if (v != (double) (long) v)
throw std::out_of_range(name + " is not a multiple ...");
}
}
const auto &maximum = schema.find("maximum");
if (maximum != schema.end()) {
double maxi = maximum.value();
auto ex = std::out_of_range(name + " exceeds maximum of " + std::to_string(maxi));
if (schema.find("exclusiveMaximum") != schema.end()) {
if (value >= maxi)
throw ex;
} else {
if (value > maxi)
throw ex;
}
}
const auto &minimum = schema.find("minimum");
if (minimum != schema.end()) {
double mini = minimum.value();
auto ex = std::out_of_range(name + " exceeds minimum of " + std::to_string(mini));
if (schema.find("exclusiveMinimum") != schema.end()) {
if (value <= mini)
throw ex;
} else {
if (value < mini)
throw ex;
}
}
}
void validate_integer(const json &instance, const json &schema, const std::string &name)
{
validate_type(schema, "integer", name);
validate_numeric(schema, name, instance.get<int>());
}
void validate_unsigned(const json &instance, const json &schema, const std::string &name)
{
validate_type(schema, "integer", name);
validate_numeric(schema, name, instance.get<unsigned>());
}
void validate_float(const json &instance, const json &schema, const std::string &name)
{
validate_type(schema, "number", name);
validate_numeric(schema, name, instance.get<double>());
}
void validate_null(const json & /*instance*/, const json &schema, const std::string &name)
{
validate_type(schema, "null", name);
}
} // anonymous namespace
namespace nlohmann
{
namespace json_schema_draft4
{
void json_validator::insert_schema(const json &input, const json_uri &id)
{
// allocate create a copy for later storage - if resolving reference works
std::shared_ptr<json> schema = std::make_shared<json>(input);
do {
// resolve all local schemas and references
resolver r(*schema, id);
// check whether all undefined schema references can be resolved with existing ones
std::set<json_uri> undefined;
for (auto &ref : r.undefined_refs)
if (schema_refs_.find(ref) == schema_refs_.end()) // exact schema reference not found
undefined.insert(ref);
if (undefined.size() == 0) { // no undefined references
// now insert all schema-references
// check whether all schema-references are new
for (auto &sref : r.schema_refs) {
if (schema_refs_.find(sref.first) != schema_refs_.end())
// HACK(syoyo): Skip duplicated schema.
break;
//throw std::invalid_argument("schema " + sref.first.to_string() + " already present in validator.");
}
// no undefined references and no duplicated schema - store the schema
schema_store_.push_back(schema);
// and insert all references
schema_refs_.insert(r.schema_refs.begin(), r.schema_refs.end());
break;
}
if (schema_loader_ == nullptr)
throw std::invalid_argument("schema contains undefined references to other schemas, needed schema-loader.");
for (auto undef : undefined) {
json ext;
schema_loader_(undef, ext);
insert_schema(ext, undef.url());
}
} while (1);
// store the document root-schema
if (id == json_uri("#"))
root_schema_ = schema;
}
void json_validator::validate(const json &instance)
{
if (root_schema_ == nullptr)
throw std::invalid_argument("no root-schema has been inserted. Cannot validate an instance without it.");
validate(instance, *root_schema_, "root");
}
void json_validator::set_root_schema(const json &schema)
{
insert_schema(schema, json_uri("#"));
}
void json_validator::validate(const json &instance, const json &schema_, const std::string &name)
{
const json *schema = &schema_;
// $ref resolution
do {
const auto &ref = schema->find("$ref");
if (ref == schema->end())
break;
auto it = schema_refs_.find(ref.value().get<std::string>());
if (it == schema_refs_.end())
throw std::invalid_argument("schema reference " + ref.value().get<std::string>() + " not found. Make sure all schemas have been inserted before validation.");
schema = it->second;
} while (1); // loop in case of nested refs
// not
const auto attr = schema->find("not");
if (attr != schema->end()) {
bool ok;
try {
validate(instance, attr.value(), name);
ok = false;
} catch (std::exception &) {
ok = true;
}
if (!ok)
throw std::invalid_argument("schema match for " + name + " but a not-match is defined by schema.");
return; // return here - not cannot be mixed with based-schemas?
}
// allOf, anyOf, oneOf
const json *combined_schemas = nullptr;
enum {
none,
allOf,
anyOf,
oneOf
} combine_logic = none;
{
const auto &attr = schema->find("allOf");
if (attr != schema->end()) {
combine_logic = allOf;
combined_schemas = &attr.value();
}
}
{
const auto &attr = schema->find("anyOf");
if (attr != schema->end()) {
combine_logic = anyOf;
combined_schemas = &attr.value();
}
}
{
const auto &attr = schema->find("oneOf");
if (attr != schema->end()) {
combine_logic = oneOf;
combined_schemas = &attr.value();
}
}
if (combine_logic != none) {
std::size_t count = 0;
std::ostringstream sub_schema_err;
for (const auto &s : *combined_schemas) {
try {
validate(instance, s, name);
count++;
} catch (std::exception &e) {
sub_schema_err << " one schema failed because: " << e.what() << "\n";
if (combine_logic == allOf)
throw std::out_of_range("At least one schema has failed for " + name + " where allOf them were requested.\n" + sub_schema_err.str());
}
if (combine_logic == oneOf && count > 1)
throw std::out_of_range("More than one schema has succeeded for " + name + " where only oneOf them was requested.\n" + sub_schema_err.str());
}
if ((combine_logic == anyOf || combine_logic == oneOf) && count == 0)
throw std::out_of_range("No schema has succeeded for " + name + " but anyOf/oneOf them should have worked.\n" + sub_schema_err.str());
}
// check (base) schema
validate_enum(instance, *schema, name);
switch (instance.type()) {
case json::value_t::object:
validate_object(instance, *schema, name);
break;
case json::value_t::array:
validate_array(instance, *schema, name);
break;
case json::value_t::string:
validate_string(instance, *schema, name);
break;
case json::value_t::number_unsigned:
validate_unsigned(instance, *schema, name);
break;
case json::value_t::number_integer:
validate_integer(instance, *schema, name);
break;
case json::value_t::number_float:
validate_float(instance, *schema, name);
break;
case json::value_t::boolean:
validate_boolean(instance, *schema, name);
break;
case json::value_t::null:
validate_null(instance, *schema, name);
break;
default:
assert(0 && "unexpected instance type for validation");
break;
}
}
void json_validator::validate_array(const json &instance, const json &schema, const std::string &name)
{
validate_type(schema, "array", name);
// maxItems
const auto &maxItems = schema.find("maxItems");
if (maxItems != schema.end())
if (instance.size() > maxItems.value().get<size_t>())
throw std::out_of_range(name + " has too many items.");
// minItems
const auto &minItems = schema.find("minItems");
if (minItems != schema.end())
if (instance.size() < minItems.value().get<size_t>())
throw std::out_of_range(name + " has too few items.");
// uniqueItems
const auto &uniqueItems = schema.find("uniqueItems");
if (uniqueItems != schema.end())
if (uniqueItems.value().get<bool>() == true) {
std::set<json> array_to_set;
for (auto v : instance) {
auto ret = array_to_set.insert(v);
if (ret.second == false)
throw std::out_of_range(name + " should have only unique items.");
}
}
// items and additionalItems
// default to empty schemas
auto items_iter = schema.find("items");
json items = {};
if (items_iter != schema.end())
items = items_iter.value();
auto additionalItems_iter = schema.find("additionalItems");
json additionalItems = {};
if (additionalItems_iter != schema.end())
additionalItems = additionalItems_iter.value();
size_t i = 0;
bool validation_done = false;
for (auto &value : instance) {
std::string sub_name = name + "[" + std::to_string(i) + "]";
switch (items.type()) {
case json::value_t::array:
if (i < items.size())
validate(value, items[i], sub_name);
else {
switch (additionalItems.type()) { // items is an array
// we need to take into consideration additionalItems
case json::value_t::object:
validate(value, additionalItems, sub_name);
break;
case json::value_t::boolean:
if (additionalItems.get<bool>() == false)
throw std::out_of_range("additional values in array are not allowed for " + sub_name);
else
validation_done = true;
break;
default:
break;
}
}
break;
case json::value_t::object: // items is a schema
validate(value, items, sub_name);
break;
default:
break;
}
if (validation_done)
break;
i++;
}
}
void json_validator::validate_object(const json &instance, const json &schema, const std::string &name)
{
validate_type(schema, "object", name);
json properties = {};
if (schema.find("properties") != schema.end())
properties = schema["properties"];
#if 0
// check for default values of properties
// and insert them into this object, if they don't exists
// works only for object properties for the moment
if (default_value_insertion)
for (auto it = properties.begin(); it != properties.end(); ++it) {
const auto &default_value = it.value().find("default");
if (default_value == it.value().end())
continue; /* no default value -> continue */
if (instance.find(it.key()) != instance.end())
continue; /* value is present */
/* create element from default value */
instance[it.key()] = default_value.value();
}
#endif
// maxProperties
const auto &maxProperties = schema.find("maxProperties");
if (maxProperties != schema.end())
if (instance.size() > maxProperties.value().get<size_t>())
throw std::out_of_range(name + " has too many properties.");
// minProperties
const auto &minProperties = schema.find("minProperties");
if (minProperties != schema.end())
if (instance.size() < minProperties.value().get<size_t>())
throw std::out_of_range(name + " has too few properties.");
// additionalProperties
enum {
True,
False,
Object
} additionalProperties = True;
const auto &additionalPropertiesVal = schema.find("additionalProperties");
if (additionalPropertiesVal != schema.end()) {
if (additionalPropertiesVal.value().type() == json::value_t::boolean)
additionalProperties = additionalPropertiesVal.value().get<bool>() == true ? True : False;
else
additionalProperties = Object;
}
// patternProperties
json patternProperties = {};
if (schema.find("patternProperties") != schema.end())
patternProperties = schema["patternProperties"];
// check all elements in object
for (auto child = instance.begin(); child != instance.end(); ++child) {
std::string child_name = name + "." + child.key();
bool property_or_patternProperties_has_validated = false;
// is this a property which is described in the schema
const auto &object_prop = properties.find(child.key());
if (object_prop != properties.end()) {
// validate the element with its schema
validate(child.value(), object_prop.value(), child_name);
property_or_patternProperties_has_validated = true;
}
for (auto pp = patternProperties.begin();
pp != patternProperties.end(); ++pp) {
#ifndef NO_STD_REGEX
REGEX_NAMESPACE::regex re(pp.key(), REGEX_NAMESPACE::regex::ECMAScript);
if (REGEX_NAMESPACE::regex_search(child.key(), re)) {
validate(child.value(), pp.value(), child_name);
property_or_patternProperties_has_validated = true;
}
#else
// accept everything in case of a patternProperty
property_or_patternProperties_has_validated = true;
break;
#endif
}
if (property_or_patternProperties_has_validated)
continue;
switch (additionalProperties) {
case True:
break;
case Object:
validate(child.value(), additionalPropertiesVal.value(), child_name);
break;
case False:
throw std::invalid_argument("unknown property '" + child.key() + "' in object '" + name + "'");
break;
};
}
// required
const auto &required = schema.find("required");
if (required != schema.end())
for (const auto &element : required.value()) {
if (instance.find(element) == instance.end()) {
throw std::invalid_argument("required element '" + element.get<std::string>() +
"' not found in object '" + name + "'");
}
}
// dependencies
const auto &dependencies = schema.find("dependencies");
if (dependencies == schema.end())
return;
for (auto dep = dependencies.value().cbegin();
dep != dependencies.value().cend();
++dep) {
// property not present in this instance - next
if (instance.find(dep.key()) == instance.end())
continue;
std::string sub_name = name + ".dependency-of-" + dep.key();
switch (dep.value().type()) {
case json::value_t::object:
validate(instance, dep.value(), sub_name);
break;
case json::value_t::array:
for (const auto &prop : dep.value())
if (instance.find(prop) == instance.end())
throw std::invalid_argument("failed dependency for " + sub_name + ". Need property " + prop.get<std::string>());
break;
default:
break;
}
}
}
static std::size_t utf8_length(const std::string &s)
{
size_t len = 0;
for (const unsigned char &c : s)
if ((c & 0xc0) != 0x80)
len++;
return len;
}
void json_validator::validate_string(const json &instance, const json &schema, const std::string &name)
{
validate_type(schema, "string", name);
// minLength
auto attr = schema.find("minLength");
if (attr != schema.end())
if (utf8_length(instance) < attr.value().get<size_t>()) {
std::ostringstream s;
s << "'" << name << "' of value '" << instance << "' is too short as per minLength ("
<< attr.value() << ")";
throw std::out_of_range(s.str());
}
// maxLength
attr = schema.find("maxLength");
if (attr != schema.end())
if (utf8_length(instance) > attr.value().get<size_t>()) {
std::ostringstream s;
s << "'" << name << "' of value '" << instance << "' is too long as per maxLength ("
<< attr.value() << ")";
throw std::out_of_range(s.str());
}
#ifndef NO_STD_REGEX
// pattern
attr = schema.find("pattern");
if (attr != schema.end()) {
REGEX_NAMESPACE::regex re(attr.value().get<std::string>(), REGEX_NAMESPACE::regex::ECMAScript);
if (!REGEX_NAMESPACE::regex_search(instance.get<std::string>(), re))
throw std::invalid_argument(instance.get<std::string>() + " does not match regex pattern: " + attr.value().get<std::string>() + " for " + name);
}
#endif
// format
attr = schema.find("format");
if (attr != schema.end()) {
if (format_check_ == nullptr)
throw std::logic_error("A format checker was not provided but a format-attribute for this string is present. " +
name + " cannot be validated for " + attr.value().get<std::string>());
format_check_(attr.value(), instance);
}
}
}
}

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/* Copyright (c) 2013 Dropbox, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "json11.hpp"
#include <cassert>
#include <cmath>
#include <cstdlib>
#include <cstdio>
#include <limits>
namespace json11 {
static const int max_depth = 200;
using std::string;
using std::vector;
using std::map;
using std::make_shared;
using std::initializer_list;
using std::move;
/* Helper for representing null - just a do-nothing struct, plus comparison
* operators so the helpers in JsonValue work. We can't use nullptr_t because
* it may not be orderable.
*/
struct NullStruct {
bool operator==(NullStruct) const { return true; }
bool operator<(NullStruct) const { return false; }
};
/* * * * * * * * * * * * * * * * * * * *
* Serialization
*/
static void dump(NullStruct, string &out) {
out += "null";
}
static void dump(double value, string &out) {
if (std::isfinite(value)) {
char buf[32];
snprintf(buf, sizeof buf, "%.17g", value);
out += buf;
} else {
out += "null";
}
}
static void dump(int value, string &out) {
char buf[32];
snprintf(buf, sizeof buf, "%d", value);
out += buf;
}
static void dump(bool value, string &out) {
out += value ? "true" : "false";
}
static void dump(const string &value, string &out) {
out += '"';
for (size_t i = 0; i < value.length(); i++) {
const char ch = value[i];
if (ch == '\\') {
out += "\\\\";
} else if (ch == '"') {
out += "\\\"";
} else if (ch == '\b') {
out += "\\b";
} else if (ch == '\f') {
out += "\\f";
} else if (ch == '\n') {
out += "\\n";
} else if (ch == '\r') {
out += "\\r";
} else if (ch == '\t') {
out += "\\t";
} else if (static_cast<uint8_t>(ch) <= 0x1f) {
char buf[8];
snprintf(buf, sizeof buf, "\\u%04x", ch);
out += buf;
} else if (static_cast<uint8_t>(ch) == 0xe2 && static_cast<uint8_t>(value[i+1]) == 0x80
&& static_cast<uint8_t>(value[i+2]) == 0xa8) {
out += "\\u2028";
i += 2;
} else if (static_cast<uint8_t>(ch) == 0xe2 && static_cast<uint8_t>(value[i+1]) == 0x80
&& static_cast<uint8_t>(value[i+2]) == 0xa9) {
out += "\\u2029";
i += 2;
} else {
out += ch;
}
}
out += '"';
}
static void dump(const Json::array &values, string &out) {
bool first = true;
out += "[";
for (const auto &value : values) {
if (!first)
out += ", ";
value.dump(out);
first = false;
}
out += "]";
}
static void dump(const Json::object &values, string &out) {
bool first = true;
out += "{";
for (const auto &kv : values) {
if (!first)
out += ", ";
dump(kv.first, out);
out += ": ";
kv.second.dump(out);
first = false;
}
out += "}";
}
void Json::dump(string &out) const {
m_ptr->dump(out);
}
/* * * * * * * * * * * * * * * * * * * *
* Value wrappers
*/
template <Json::Type tag, typename T>
class Value : public JsonValue {
protected:
// Constructors
explicit Value(const T &value) : m_value(value) {}
explicit Value(T &&value) : m_value(move(value)) {}
// Get type tag
Json::Type type() const override {
return tag;
}
// Comparisons
bool equals(const JsonValue * other) const override {
return m_value == static_cast<const Value<tag, T> *>(other)->m_value;
}
bool less(const JsonValue * other) const override {
return m_value < static_cast<const Value<tag, T> *>(other)->m_value;
}
const T m_value;
void dump(string &out) const override { json11::dump(m_value, out); }
};
class JsonDouble final : public Value<Json::NUMBER, double> {
double number_value() const override { return m_value; }
int int_value() const override { return static_cast<int>(m_value); }
bool equals(const JsonValue * other) const override { return m_value == other->number_value(); }
bool less(const JsonValue * other) const override { return m_value < other->number_value(); }
public:
explicit JsonDouble(double value) : Value(value) {}
};
class JsonInt final : public Value<Json::NUMBER, int> {
double number_value() const override { return m_value; }
int int_value() const override { return m_value; }
bool equals(const JsonValue * other) const override { return m_value == other->number_value(); }
bool less(const JsonValue * other) const override { return m_value < other->number_value(); }
public:
explicit JsonInt(int value) : Value(value) {}
};
class JsonBoolean final : public Value<Json::BOOL, bool> {
bool bool_value() const override { return m_value; }
public:
explicit JsonBoolean(bool value) : Value(value) {}
};
class JsonString final : public Value<Json::STRING, string> {
const string &string_value() const override { return m_value; }
public:
explicit JsonString(const string &value) : Value(value) {}
explicit JsonString(string &&value) : Value(move(value)) {}
};
class JsonArray final : public Value<Json::ARRAY, Json::array> {
const Json::array &array_items() const override { return m_value; }
const Json & operator[](size_t i) const override;
public:
explicit JsonArray(const Json::array &value) : Value(value) {}
explicit JsonArray(Json::array &&value) : Value(move(value)) {}
};
class JsonObject final : public Value<Json::OBJECT, Json::object> {
const Json::object &object_items() const override { return m_value; }
const Json & operator[](const string &key) const override;
public:
explicit JsonObject(const Json::object &value) : Value(value) {}
explicit JsonObject(Json::object &&value) : Value(move(value)) {}
};
class JsonNull final : public Value<Json::NUL, NullStruct> {
public:
JsonNull() : Value({}) {}
};
/* * * * * * * * * * * * * * * * * * * *
* Static globals - static-init-safe
*/
struct Statics {
const std::shared_ptr<JsonValue> null = make_shared<JsonNull>();
const std::shared_ptr<JsonValue> t = make_shared<JsonBoolean>(true);
const std::shared_ptr<JsonValue> f = make_shared<JsonBoolean>(false);
const string empty_string;
const vector<Json> empty_vector;
const map<string, Json> empty_map;
Statics() {}
};
static const Statics & statics() {
static const Statics s {};
return s;
}
static const Json & static_null() {
// This has to be separate, not in Statics, because Json() accesses statics().null.
static const Json json_null;
return json_null;
}
/* * * * * * * * * * * * * * * * * * * *
* Constructors
*/
Json::Json() noexcept : m_ptr(statics().null) {}
Json::Json(std::nullptr_t) noexcept : m_ptr(statics().null) {}
Json::Json(double value) : m_ptr(make_shared<JsonDouble>(value)) {}
Json::Json(int value) : m_ptr(make_shared<JsonInt>(value)) {}
Json::Json(bool value) : m_ptr(value ? statics().t : statics().f) {}
Json::Json(const string &value) : m_ptr(make_shared<JsonString>(value)) {}
Json::Json(string &&value) : m_ptr(make_shared<JsonString>(move(value))) {}
Json::Json(const char * value) : m_ptr(make_shared<JsonString>(value)) {}
Json::Json(const Json::array &values) : m_ptr(make_shared<JsonArray>(values)) {}
Json::Json(Json::array &&values) : m_ptr(make_shared<JsonArray>(move(values))) {}
Json::Json(const Json::object &values) : m_ptr(make_shared<JsonObject>(values)) {}
Json::Json(Json::object &&values) : m_ptr(make_shared<JsonObject>(move(values))) {}
/* * * * * * * * * * * * * * * * * * * *
* Accessors
*/
Json::Type Json::type() const { return m_ptr->type(); }
double Json::number_value() const { return m_ptr->number_value(); }
int Json::int_value() const { return m_ptr->int_value(); }
bool Json::bool_value() const { return m_ptr->bool_value(); }
const string & Json::string_value() const { return m_ptr->string_value(); }
const vector<Json> & Json::array_items() const { return m_ptr->array_items(); }
const map<string, Json> & Json::object_items() const { return m_ptr->object_items(); }
const Json & Json::operator[] (size_t i) const { return (*m_ptr)[i]; }
const Json & Json::operator[] (const string &key) const { return (*m_ptr)[key]; }
double JsonValue::number_value() const { return 0; }
int JsonValue::int_value() const { return 0; }
bool JsonValue::bool_value() const { return false; }
const string & JsonValue::string_value() const { return statics().empty_string; }
const vector<Json> & JsonValue::array_items() const { return statics().empty_vector; }
const map<string, Json> & JsonValue::object_items() const { return statics().empty_map; }
const Json & JsonValue::operator[] (size_t) const { return static_null(); }
const Json & JsonValue::operator[] (const string &) const { return static_null(); }
const Json & JsonObject::operator[] (const string &key) const {
auto iter = m_value.find(key);
return (iter == m_value.end()) ? static_null() : iter->second;
}
const Json & JsonArray::operator[] (size_t i) const {
if (i >= m_value.size()) return static_null();
else return m_value[i];
}
/* * * * * * * * * * * * * * * * * * * *
* Comparison
*/
bool Json::operator== (const Json &other) const {
if (m_ptr == other.m_ptr)
return true;
if (m_ptr->type() != other.m_ptr->type())
return false;
return m_ptr->equals(other.m_ptr.get());
}
bool Json::operator< (const Json &other) const {
if (m_ptr == other.m_ptr)
return false;
if (m_ptr->type() != other.m_ptr->type())
return m_ptr->type() < other.m_ptr->type();
return m_ptr->less(other.m_ptr.get());
}
/* * * * * * * * * * * * * * * * * * * *
* Parsing
*/
/* esc(c)
*
* Format char c suitable for printing in an error message.
*/
static inline string esc(char c) {
char buf[12];
if (static_cast<uint8_t>(c) >= 0x20 && static_cast<uint8_t>(c) <= 0x7f) {
snprintf(buf, sizeof buf, "'%c' (%d)", c, c);
} else {
snprintf(buf, sizeof buf, "(%d)", c);
}
return string(buf);
}
static inline bool in_range(long x, long lower, long upper) {
return (x >= lower && x <= upper);
}
namespace {
/* JsonParser
*
* Object that tracks all state of an in-progress parse.
*/
struct JsonParser final {
/* State
*/
const string &str;
size_t i;
string &err;
bool failed;
const JsonParse strategy;
/* fail(msg, err_ret = Json())
*
* Mark this parse as failed.
*/
Json fail(string &&msg) {
return fail(move(msg), Json());
}
template <typename T>
T fail(string &&msg, const T err_ret) {
if (!failed)
err = std::move(msg);
failed = true;
return err_ret;
}
/* consume_whitespace()
*
* Advance until the current character is non-whitespace.
*/
void consume_whitespace() {
while (str[i] == ' ' || str[i] == '\r' || str[i] == '\n' || str[i] == '\t')
i++;
}
/* consume_comment()
*
* Advance comments (c-style inline and multiline).
*/
bool consume_comment() {
bool comment_found = false;
if (str[i] == '/') {
i++;
if (i == str.size())
return fail("unexpected end of input after start of comment", false);
if (str[i] == '/') { // inline comment
i++;
// advance until next line, or end of input
while (i < str.size() && str[i] != '\n') {
i++;
}
comment_found = true;
}
else if (str[i] == '*') { // multiline comment
i++;
if (i > str.size()-2)
return fail("unexpected end of input inside multi-line comment", false);
// advance until closing tokens
while (!(str[i] == '*' && str[i+1] == '/')) {
i++;
if (i > str.size()-2)
return fail(
"unexpected end of input inside multi-line comment", false);
}
i += 2;
comment_found = true;
}
else
return fail("malformed comment", false);
}
return comment_found;
}
/* consume_garbage()
*
* Advance until the current character is non-whitespace and non-comment.
*/
void consume_garbage() {
consume_whitespace();
if(strategy == JsonParse::COMMENTS) {
bool comment_found = false;
do {
comment_found = consume_comment();
if (failed) return;
consume_whitespace();
}
while(comment_found);
}
}
/* get_next_token()
*
* Return the next non-whitespace character. If the end of the input is reached,
* flag an error and return 0.
*/
char get_next_token() {
consume_garbage();
if (failed) return static_cast<char>(0);
if (i == str.size())
return fail("unexpected end of input", static_cast<char>(0));
return str[i++];
}
/* encode_utf8(pt, out)
*
* Encode pt as UTF-8 and add it to out.
*/
void encode_utf8(long pt, string & out) {
if (pt < 0)
return;
if (pt < 0x80) {
out += static_cast<char>(pt);
} else if (pt < 0x800) {
out += static_cast<char>((pt >> 6) | 0xC0);
out += static_cast<char>((pt & 0x3F) | 0x80);
} else if (pt < 0x10000) {
out += static_cast<char>((pt >> 12) | 0xE0);
out += static_cast<char>(((pt >> 6) & 0x3F) | 0x80);
out += static_cast<char>((pt & 0x3F) | 0x80);
} else {
out += static_cast<char>((pt >> 18) | 0xF0);
out += static_cast<char>(((pt >> 12) & 0x3F) | 0x80);
out += static_cast<char>(((pt >> 6) & 0x3F) | 0x80);
out += static_cast<char>((pt & 0x3F) | 0x80);
}
}
/* parse_string()
*
* Parse a string, starting at the current position.
*/
string parse_string() {
string out;
long last_escaped_codepoint = -1;
while (true) {
if (i == str.size())
return fail("unexpected end of input in string", "");
char ch = str[i++];
if (ch == '"') {
encode_utf8(last_escaped_codepoint, out);
return out;
}
if (in_range(ch, 0, 0x1f))
return fail("unescaped " + esc(ch) + " in string", "");
// The usual case: non-escaped characters
if (ch != '\\') {
encode_utf8(last_escaped_codepoint, out);
last_escaped_codepoint = -1;
out += ch;
continue;
}
// Handle escapes
if (i == str.size())
return fail("unexpected end of input in string", "");
ch = str[i++];
if (ch == 'u') {
// Extract 4-byte escape sequence
string esc = str.substr(i, 4);
// Explicitly check length of the substring. The following loop
// relies on std::string returning the terminating NUL when
// accessing str[length]. Checking here reduces brittleness.
if (esc.length() < 4) {
return fail("bad \\u escape: " + esc, "");
}
for (size_t j = 0; j < 4; j++) {
if (!in_range(esc[j], 'a', 'f') && !in_range(esc[j], 'A', 'F')
&& !in_range(esc[j], '0', '9'))
return fail("bad \\u escape: " + esc, "");
}
long codepoint = strtol(esc.data(), nullptr, 16);
// JSON specifies that characters outside the BMP shall be encoded as a pair
// of 4-hex-digit \u escapes encoding their surrogate pair components. Check
// whether we're in the middle of such a beast: the previous codepoint was an
// escaped lead (high) surrogate, and this is a trail (low) surrogate.
if (in_range(last_escaped_codepoint, 0xD800, 0xDBFF)
&& in_range(codepoint, 0xDC00, 0xDFFF)) {
// Reassemble the two surrogate pairs into one astral-plane character, per
// the UTF-16 algorithm.
encode_utf8((((last_escaped_codepoint - 0xD800) << 10)
| (codepoint - 0xDC00)) + 0x10000, out);
last_escaped_codepoint = -1;
} else {
encode_utf8(last_escaped_codepoint, out);
last_escaped_codepoint = codepoint;
}
i += 4;
continue;
}
encode_utf8(last_escaped_codepoint, out);
last_escaped_codepoint = -1;
if (ch == 'b') {
out += '\b';
} else if (ch == 'f') {
out += '\f';
} else if (ch == 'n') {
out += '\n';
} else if (ch == 'r') {
out += '\r';
} else if (ch == 't') {
out += '\t';
} else if (ch == '"' || ch == '\\' || ch == '/') {
out += ch;
} else {
return fail("invalid escape character " + esc(ch), "");
}
}
}
/* parse_number()
*
* Parse a double.
*/
Json parse_number() {
size_t start_pos = i;
if (str[i] == '-')
i++;
// Integer part
if (str[i] == '0') {
i++;
if (in_range(str[i], '0', '9'))
return fail("leading 0s not permitted in numbers");
} else if (in_range(str[i], '1', '9')) {
i++;
while (in_range(str[i], '0', '9'))
i++;
} else {
return fail("invalid " + esc(str[i]) + " in number");
}
if (str[i] != '.' && str[i] != 'e' && str[i] != 'E'
&& (i - start_pos) <= static_cast<size_t>(std::numeric_limits<int>::digits10)) {
return std::atoi(str.c_str() + start_pos);
}
// Decimal part
if (str[i] == '.') {
i++;
if (!in_range(str[i], '0', '9'))
return fail("at least one digit required in fractional part");
while (in_range(str[i], '0', '9'))
i++;
}
// Exponent part
if (str[i] == 'e' || str[i] == 'E') {
i++;
if (str[i] == '+' || str[i] == '-')
i++;
if (!in_range(str[i], '0', '9'))
return fail("at least one digit required in exponent");
while (in_range(str[i], '0', '9'))
i++;
}
return std::strtod(str.c_str() + start_pos, nullptr);
}
/* expect(str, res)
*
* Expect that 'str' starts at the character that was just read. If it does, advance
* the input and return res. If not, flag an error.
*/
Json expect(const string &expected, Json res) {
assert(i != 0);
i--;
if (str.compare(i, expected.length(), expected) == 0) {
i += expected.length();
return res;
} else {
return fail("parse error: expected " + expected + ", got " + str.substr(i, expected.length()));
}
}
/* parse_json()
*
* Parse a JSON object.
*/
Json parse_json(int depth) {
if (depth > max_depth) {
return fail("exceeded maximum nesting depth");
}
char ch = get_next_token();
if (failed)
return Json();
if (ch == '-' || (ch >= '0' && ch <= '9')) {
i--;
return parse_number();
}
if (ch == 't')
return expect("true", true);
if (ch == 'f')
return expect("false", false);
if (ch == 'n')
return expect("null", Json());
if (ch == '"')
return parse_string();
if (ch == '{') {
map<string, Json> data;
ch = get_next_token();
if (ch == '}')
return data;
while (1) {
if (ch != '"')
return fail("expected '\"' in object, got " + esc(ch));
string key = parse_string();
if (failed)
return Json();
ch = get_next_token();
if (ch != ':')
return fail("expected ':' in object, got " + esc(ch));
data[std::move(key)] = parse_json(depth + 1);
if (failed)
return Json();
ch = get_next_token();
if (ch == '}')
break;
if (ch != ',')
return fail("expected ',' in object, got " + esc(ch));
ch = get_next_token();
}
return data;
}
if (ch == '[') {
vector<Json> data;
ch = get_next_token();
if (ch == ']')
return data;
while (1) {
i--;
data.push_back(parse_json(depth + 1));
if (failed)
return Json();
ch = get_next_token();
if (ch == ']')
break;
if (ch != ',')
return fail("expected ',' in list, got " + esc(ch));
ch = get_next_token();
(void)ch;
}
return data;
}
return fail("expected value, got " + esc(ch));
}
};
}//namespace {
Json Json::parse(const string &in, string &err, JsonParse strategy) {
JsonParser parser { in, 0, err, false, strategy };
Json result = parser.parse_json(0);
// Check for any trailing garbage
parser.consume_garbage();
if (parser.failed)
return Json();
if (parser.i != in.size())
return parser.fail("unexpected trailing " + esc(in[parser.i]));
return result;
}
// Documented in json11.hpp
vector<Json> Json::parse_multi(const string &in,
std::string::size_type &parser_stop_pos,
string &err,
JsonParse strategy) {
JsonParser parser { in, 0, err, false, strategy };
parser_stop_pos = 0;
vector<Json> json_vec;
while (parser.i != in.size() && !parser.failed) {
json_vec.push_back(parser.parse_json(0));
if (parser.failed)
break;
// Check for another object
parser.consume_garbage();
if (parser.failed)
break;
parser_stop_pos = parser.i;
}
return json_vec;
}
/* * * * * * * * * * * * * * * * * * * *
* Shape-checking
*/
bool Json::has_shape(const shape & types, string & err) const {
if (!is_object()) {
err = "expected JSON object, got " + dump();
return false;
}
for (auto & item : types) {
if ((*this)[item.first].type() != item.second) {
err = "bad type for " + item.first + " in " + dump();
return false;
}
}
return true;
}
} // namespace json11

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@ -1,232 +0,0 @@
/* json11
*
* json11 is a tiny JSON library for C++11, providing JSON parsing and serialization.
*
* The core object provided by the library is json11::Json. A Json object represents any JSON
* value: null, bool, number (int or double), string (std::string), array (std::vector), or
* object (std::map).
*
* Json objects act like values: they can be assigned, copied, moved, compared for equality or
* order, etc. There are also helper methods Json::dump, to serialize a Json to a string, and
* Json::parse (static) to parse a std::string as a Json object.
*
* Internally, the various types of Json object are represented by the JsonValue class
* hierarchy.
*
* A note on numbers - JSON specifies the syntax of number formatting but not its semantics,
* so some JSON implementations distinguish between integers and floating-point numbers, while
* some don't. In json11, we choose the latter. Because some JSON implementations (namely
* Javascript itself) treat all numbers as the same type, distinguishing the two leads
* to JSON that will be *silently* changed by a round-trip through those implementations.
* Dangerous! To avoid that risk, json11 stores all numbers as double internally, but also
* provides integer helpers.
*
* Fortunately, double-precision IEEE754 ('double') can precisely store any integer in the
* range +/-2^53, which includes every 'int' on most systems. (Timestamps often use int64
* or long long to avoid the Y2038K problem; a double storing microseconds since some epoch
* will be exact for +/- 275 years.)
*/
/* Copyright (c) 2013 Dropbox, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#pragma once
#include <string>
#include <vector>
#include <map>
#include <memory>
#include <initializer_list>
#ifdef _MSC_VER
#if _MSC_VER <= 1800 // VS 2013
#ifndef noexcept
#define noexcept throw()
#endif
#ifndef snprintf
#define snprintf _snprintf_s
#endif
#endif
#endif
namespace json11 {
enum JsonParse {
STANDARD, COMMENTS
};
class JsonValue;
class Json final {
public:
// Types
enum Type {
NUL, NUMBER, BOOL, STRING, ARRAY, OBJECT
};
// Array and object typedefs
typedef std::vector<Json> array;
typedef std::map<std::string, Json> object;
// Constructors for the various types of JSON value.
Json() noexcept; // NUL
Json(std::nullptr_t) noexcept; // NUL
Json(double value); // NUMBER
Json(int value); // NUMBER
Json(bool value); // BOOL
Json(const std::string &value); // STRING
Json(std::string &&value); // STRING
Json(const char * value); // STRING
Json(const array &values); // ARRAY
Json(array &&values); // ARRAY
Json(const object &values); // OBJECT
Json(object &&values); // OBJECT
// Implicit constructor: anything with a to_json() function.
template <class T, class = decltype(&T::to_json)>
Json(const T & t) : Json(t.to_json()) {}
// Implicit constructor: map-like objects (std::map, std::unordered_map, etc)
template <class M, typename std::enable_if<
std::is_constructible<std::string, decltype(std::declval<M>().begin()->first)>::value
&& std::is_constructible<Json, decltype(std::declval<M>().begin()->second)>::value,
int>::type = 0>
Json(const M & m) : Json(object(m.begin(), m.end())) {}
// Implicit constructor: vector-like objects (std::list, std::vector, std::set, etc)
template <class V, typename std::enable_if<
std::is_constructible<Json, decltype(*std::declval<V>().begin())>::value,
int>::type = 0>
Json(const V & v) : Json(array(v.begin(), v.end())) {}
// This prevents Json(some_pointer) from accidentally producing a bool. Use
// Json(bool(some_pointer)) if that behavior is desired.
Json(void *) = delete;
// Accessors
Type type() const;
bool is_null() const { return type() == NUL; }
bool is_number() const { return type() == NUMBER; }
bool is_bool() const { return type() == BOOL; }
bool is_string() const { return type() == STRING; }
bool is_array() const { return type() == ARRAY; }
bool is_object() const { return type() == OBJECT; }
// Return the enclosed value if this is a number, 0 otherwise. Note that json11 does not
// distinguish between integer and non-integer numbers - number_value() and int_value()
// can both be applied to a NUMBER-typed object.
double number_value() const;
int int_value() const;
// Return the enclosed value if this is a boolean, false otherwise.
bool bool_value() const;
// Return the enclosed string if this is a string, "" otherwise.
const std::string &string_value() const;
// Return the enclosed std::vector if this is an array, or an empty vector otherwise.
const array &array_items() const;
// Return the enclosed std::map if this is an object, or an empty map otherwise.
const object &object_items() const;
// Return a reference to arr[i] if this is an array, Json() otherwise.
const Json & operator[](size_t i) const;
// Return a reference to obj[key] if this is an object, Json() otherwise.
const Json & operator[](const std::string &key) const;
// Serialize.
void dump(std::string &out) const;
std::string dump() const {
std::string out;
dump(out);
return out;
}
// Parse. If parse fails, return Json() and assign an error message to err.
static Json parse(const std::string & in,
std::string & err,
JsonParse strategy = JsonParse::STANDARD);
static Json parse(const char * in,
std::string & err,
JsonParse strategy = JsonParse::STANDARD) {
if (in) {
return parse(std::string(in), err, strategy);
} else {
err = "null input";
return nullptr;
}
}
// Parse multiple objects, concatenated or separated by whitespace
static std::vector<Json> parse_multi(
const std::string & in,
std::string::size_type & parser_stop_pos,
std::string & err,
JsonParse strategy = JsonParse::STANDARD);
static inline std::vector<Json> parse_multi(
const std::string & in,
std::string & err,
JsonParse strategy = JsonParse::STANDARD) {
std::string::size_type parser_stop_pos;
return parse_multi(in, parser_stop_pos, err, strategy);
}
bool operator== (const Json &rhs) const;
bool operator< (const Json &rhs) const;
bool operator!= (const Json &rhs) const { return !(*this == rhs); }
bool operator<= (const Json &rhs) const { return !(rhs < *this); }
bool operator> (const Json &rhs) const { return (rhs < *this); }
bool operator>= (const Json &rhs) const { return !(*this < rhs); }
/* has_shape(types, err)
*
* Return true if this is a JSON object and, for each item in types, has a field of
* the given type. If not, return false and set err to a descriptive message.
*/
typedef std::initializer_list<std::pair<std::string, Type>> shape;
bool has_shape(const shape & types, std::string & err) const;
private:
std::shared_ptr<JsonValue> m_ptr;
};
// Internal class hierarchy - JsonValue objects are not exposed to users of this API.
class JsonValue {
protected:
friend class Json;
friend class JsonInt;
friend class JsonDouble;
virtual Json::Type type() const = 0;
virtual bool equals(const JsonValue * other) const = 0;
virtual bool less(const JsonValue * other) const = 0;
virtual void dump(std::string &out) const = 0;
virtual double number_value() const;
virtual int int_value() const;
virtual bool bool_value() const;
virtual const std::string &string_value() const;
virtual const Json::array &array_items() const;
virtual const Json &operator[](size_t i) const;
virtual const Json::object &object_items() const;
virtual const Json &operator[](const std::string &key) const;
virtual ~JsonValue() {}
};
} // namespace json11

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@ -3,4 +3,4 @@
all: ../tiny_gltf.h all: ../tiny_gltf.h
clang++ -I../ $(EXTRA_CXXFLAGS) -std=c++11 -g -O0 -o tester tester.cc clang++ -I../ $(EXTRA_CXXFLAGS) -std=c++11 -g -O0 -o tester tester.cc
clang++ -DTINYGLTF_NOEXCEPTION -I../ $(EXTRA_CXXFLAGS) -std=c++11 -g -O0 -o tester_noexcept tester.cc # clang++ -I../ $(EXTRA_CXXFLAGS) -std=c++11 -g -O0 -o tester_noexcept tester.cc

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