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Niels Lohmann 2016-12-02 20:07:14 +01:00
commit 272ebdc900
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4
.gitignore vendored
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@ -14,3 +14,7 @@ doc/html
me.nlohmann.json.docset
benchmarks/files/numbers/*.json
.idea
cmake-build-debug

29
.travis.yml
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@ -84,50 +84,41 @@ matrix:
# Coverity (only for branch coverity_scan)
- os: linux
compiler: gcc
compiler: clang
before_install: echo -n | openssl s_client -connect scan.coverity.com:443 | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' | sudo tee -a /etc/ssl/certs/ca-certificates.crt
addons:
apt:
sources: ['ubuntu-toolchain-r-test']
packages: ['g++-5', 'valgrind']
packages: ['valgrind']
coverity_scan:
project:
name: "nlohmann/json"
description: "Build submitted via Travis CI"
notification_email: niels.lohmann@gmail.com
build_command_prepend: "make clean ; sudo cp $(which g++-5) $(which g++)"
build_command_prepend: "make clean"
build_command: "make"
branch_pattern: coverity_scan
env:
- COMPILER=g++-5
- LLVM_VERSION=3.6.0
- SPECIAL=coverity
# OSX / Clang
- os: osx
osx_image: beta-xcode6.1
- os: osx
osx_image: beta-xcode6.2
- os: osx
osx_image: beta-xcode6.3
- os: osx
osx_image: xcode6.4
- os: osx
osx_image: xcode7.1
- os: osx
osx_image: xcode7.2
- os: osx
osx_image: xcode7.3
- os: osx
osx_image: xcode8
- os: osx
osx_image: xcode8.1
- os: osx
osx_image: xcode8.2
# Linux / GCC
- os: linux

2
CMakeLists.txt
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@ -1,7 +1,7 @@
cmake_minimum_required(VERSION 3.0)
# define the project
project(nlohmann_json VERSION 2.0.7 LANGUAGES CXX)
project(nlohmann_json VERSION 2.0.8 LANGUAGES CXX)
enable_testing()

276
ChangeLog.md
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@ -1,24 +1,69 @@
# Change Log
All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).
## [v2.0.8](https://github.com/nlohmann/json/releases/tag/v2.0.8) (2016-12-02)
[Full Changelog](https://github.com/nlohmann/json/compare/v2.0.7...v2.0.8)
- Reading from file [\#374](https://github.com/nlohmann/json/issues/374)
- Compiler warnings? [\#372](https://github.com/nlohmann/json/issues/372)
- docs: how to release a json object in memory? [\#371](https://github.com/nlohmann/json/issues/371)
- crash in dump [\#370](https://github.com/nlohmann/json/issues/370)
- Conversion operators not considered [\#369](https://github.com/nlohmann/json/issues/369)
- Coverity issue \(FORWARD\_NULL\) in lexer\(std::istream& s\) [\#368](https://github.com/nlohmann/json/issues/368)
- json::parse on failed stream gets stuck [\#366](https://github.com/nlohmann/json/issues/366)
- Performance improvements [\#365](https://github.com/nlohmann/json/issues/365)
- 'to\_string' is not a member of 'std' [\#364](https://github.com/nlohmann/json/issues/364)
- Optional comment support. [\#363](https://github.com/nlohmann/json/issues/363)
- Loss of precision when serializing \<double\> [\#360](https://github.com/nlohmann/json/issues/360)
- Crash in dump\(\) from a static object [\#359](https://github.com/nlohmann/json/issues/359)
- json::parse\(...\) vs json j; j.parse\(...\) [\#357](https://github.com/nlohmann/json/issues/357)
- Hi, is there any method to dump json to string with the insert order rather than alphabets [\#356](https://github.com/nlohmann/json/issues/356)
- Provide an example of reading from an json with only a key that has an array of strings. [\#354](https://github.com/nlohmann/json/issues/354)
- Request: access with default value. [\#353](https://github.com/nlohmann/json/issues/353)
- {} and \[\] causes parser error. [\#352](https://github.com/nlohmann/json/issues/352)
- Reading a JSON file into a JSON object [\#351](https://github.com/nlohmann/json/issues/351)
- Request: 'emplace\_back' [\#349](https://github.com/nlohmann/json/issues/349)
- Is it possible to stream data through the json parser without storing everything in memory? [\#347](https://github.com/nlohmann/json/issues/347)
- pure virtual conversion operator [\#346](https://github.com/nlohmann/json/issues/346)
- Floating point precision lost [\#345](https://github.com/nlohmann/json/issues/345)
- unit-conversions SIGSEGV on armv7hl [\#303](https://github.com/nlohmann/json/issues/303)
- Coverity scan fails [\#299](https://github.com/nlohmann/json/issues/299)
- Using QString as string type [\#274](https://github.com/nlohmann/json/issues/274)
## [v2.0.7](https://github.com/nlohmann/json/releases/tag/v2.0.7) (2016-11-02)
[Full Changelog](https://github.com/nlohmann/json/compare/v2.0.6...v2.0.7)
- ""-operators ignore the length parameter [\#340](https://github.com/nlohmann/json/issues/340)
- JSON5 [\#348](https://github.com/nlohmann/json/issues/348)
- Check "Parsing JSON is a Minefield" [\#344](https://github.com/nlohmann/json/issues/344)
- Allow hex numbers [\#342](https://github.com/nlohmann/json/issues/342)
- Convert strings to numbers [\#341](https://github.com/nlohmann/json/issues/341)
- ""-operators ignore the length parameter [\#340](https://github.com/nlohmann/json/issues/340)
- JSON into std::tuple [\#339](https://github.com/nlohmann/json/issues/339)
- JSON into vector [\#335](https://github.com/nlohmann/json/issues/335)
- Installing with Homebrew on Mac Errors \(El Capitan\) [\#331](https://github.com/nlohmann/json/issues/331)
- g++ make check results in error [\#312](https://github.com/nlohmann/json/issues/312)
- Cannot convert from 'json' to 'char' [\#276](https://github.com/nlohmann/json/issues/276)
- Please add a Pretty-Print option for arrays to stay always in one line [\#229](https://github.com/nlohmann/json/issues/229)
- Conversion to STL map\<string, vector\<int\>\> gives error [\#220](https://github.com/nlohmann/json/issues/220)
- std::unorderd\_map cannot be used as ObjectType [\#164](https://github.com/nlohmann/json/issues/164)
- fix minor grammar/style issue in README.md [\#336](https://github.com/nlohmann/json/pull/336) ([seeekr](https://github.com/seeekr))
## [v2.0.6](https://github.com/nlohmann/json/releases/tag/v2.0.6) (2016-10-15)
[Full Changelog](https://github.com/nlohmann/json/compare/v2.0.5...v2.0.6)
- How to handle json files? [\#333](https://github.com/nlohmann/json/issues/333)
- This file requires compiler and library support .... [\#332](https://github.com/nlohmann/json/issues/332)
- Segmentation fault on saving json to file [\#326](https://github.com/nlohmann/json/issues/326)
- parse error - unexpected \<uninitialized\> with 2.0.5 [\#325](https://github.com/nlohmann/json/issues/325)
- Add nested object capability to pointers [\#323](https://github.com/nlohmann/json/issues/323)
- make has\_mapped\_type struct friendly [\#324](https://github.com/nlohmann/json/pull/324) ([vpetrigo](https://github.com/vpetrigo))
- Fix usage examples' comments for std::multiset [\#322](https://github.com/nlohmann/json/issues/322)
- json\_unit runs forever when executed in build directory [\#319](https://github.com/nlohmann/json/issues/319)
- Visual studio 2015 update3 true != TRUE [\#317](https://github.com/nlohmann/json/issues/317)
- releasing single header file in compressed format [\#316](https://github.com/nlohmann/json/issues/316)
- json object from std::ifstream [\#315](https://github.com/nlohmann/json/issues/315)
- make has\_mapped\_type struct friendly [\#324](https://github.com/nlohmann/json/pull/324) ([vpetrigo](https://github.com/vpetrigo))
- Fix usage examples' comments for std::multiset [\#321](https://github.com/nlohmann/json/pull/321) ([vasild](https://github.com/vasild))
- Include dir relocation [\#318](https://github.com/nlohmann/json/pull/318) ([ChristophJud](https://github.com/ChristophJud))
- trivial documentation fix [\#313](https://github.com/nlohmann/json/pull/313) ([5tefan](https://github.com/5tefan))
@ -26,33 +71,44 @@ All notable changes to this project will be documented in this file. This projec
## [v2.0.5](https://github.com/nlohmann/json/releases/tag/v2.0.5) (2016-09-14)
[Full Changelog](https://github.com/nlohmann/json/compare/v2.0.4...v2.0.5)
- \[feature request\]: schema validator and comments [\#311](https://github.com/nlohmann/json/issues/311)
- make json\_benchmarks no longer working in 2.0.4 [\#310](https://github.com/nlohmann/json/issues/310)
- Segmentation fault \(core dumped\) [\#309](https://github.com/nlohmann/json/issues/309)
- No matching member function for call to 'get\_impl' [\#308](https://github.com/nlohmann/json/issues/308)
## [v2.0.4](https://github.com/nlohmann/json/releases/tag/v2.0.4) (2016-09-11)
[Full Changelog](https://github.com/nlohmann/json/compare/v2.0.3...v2.0.4)
- Parsing fails without space at end of file [\#306](https://github.com/nlohmann/json/issues/306)
- json schema validator [\#305](https://github.com/nlohmann/json/issues/305)
- Unused variable warning [\#304](https://github.com/nlohmann/json/issues/304)
## [v2.0.3](https://github.com/nlohmann/json/releases/tag/v2.0.3) (2016-08-31)
[Full Changelog](https://github.com/nlohmann/json/compare/v2.0.2...v2.0.3)
- Support for iterator-range parsing [\#290](https://github.com/nlohmann/json/issues/290)
- warning C4706: assignment within conditional expression [\#295](https://github.com/nlohmann/json/issues/295)
- Strip comments / Minify [\#294](https://github.com/nlohmann/json/issues/294)
- Q: Is it possible to build json tree from already UTF8 encoded values? [\#293](https://github.com/nlohmann/json/issues/293)
- Equality operator results in array when assigned object [\#292](https://github.com/nlohmann/json/issues/292)
- Support for integers not from the range \[-\(2\*\*53\)+1, \(2\*\*53\)-1\] in parser [\#291](https://github.com/nlohmann/json/issues/291)
- Support for iterator-range parsing [\#290](https://github.com/nlohmann/json/issues/290)
- Horribly inconsistent behavior between const/non-const reference in operator \[\] \(\) [\#289](https://github.com/nlohmann/json/issues/289)
- Silently get numbers into smaller types [\#288](https://github.com/nlohmann/json/issues/288)
- Incorrect parsing of large int64\_t numbers [\#287](https://github.com/nlohmann/json/issues/287)
- \[question\]: macro to disable floating point support [\#284](https://github.com/nlohmann/json/issues/284)
- unit-constructor1.cpp: Fix floating point truncation warning [\#300](https://github.com/nlohmann/json/pull/300) ([t-b](https://github.com/t-b))
## [v2.0.2](https://github.com/nlohmann/json/releases/tag/v2.0.2) (2016-07-31)
[Full Changelog](https://github.com/nlohmann/json/compare/v2.0.1...v2.0.2)
- can function dump\(\) return string in the order I push in the json object ? [\#286](https://github.com/nlohmann/json/issues/286)
- Error on the Mac: Undefined symbols for architecture x86\_64 [\#285](https://github.com/nlohmann/json/issues/285)
- value\(\) does not work with \_json\_pointer types [\#283](https://github.com/nlohmann/json/issues/283)
- Easy serialization of classes [\#280](https://github.com/nlohmann/json/issues/280)
- Build error for std::int64 [\#282](https://github.com/nlohmann/json/issues/282)
- strings can't be accessed after dump\(\)-\>parse\(\) - type is lost [\#281](https://github.com/nlohmann/json/issues/281)
- Easy serialization of classes [\#280](https://github.com/nlohmann/json/issues/280)
- recursive data structures [\#277](https://github.com/nlohmann/json/issues/277)
- hexify\(\) function emits conversion warning [\#270](https://github.com/nlohmann/json/issues/270)
- let the makefile choose the correct sed [\#279](https://github.com/nlohmann/json/pull/279) ([murinicanor](https://github.com/murinicanor))
@ -61,6 +117,7 @@ All notable changes to this project will be documented in this file. This projec
## [v2.0.1](https://github.com/nlohmann/json/releases/tag/v2.0.1) (2016-06-28)
[Full Changelog](https://github.com/nlohmann/json/compare/v2.0.0...v2.0.1)
- Compilation error. [\#273](https://github.com/nlohmann/json/issues/273)
- dump\(\) performance degradation in v2 [\#272](https://github.com/nlohmann/json/issues/272)
- fixed a tiny typo [\#271](https://github.com/nlohmann/json/pull/271) ([thelostt](https://github.com/thelostt))
@ -68,43 +125,61 @@ All notable changes to this project will be documented in this file. This projec
## [v2.0.0](https://github.com/nlohmann/json/releases/tag/v2.0.0) (2016-06-23)
[Full Changelog](https://github.com/nlohmann/json/compare/v1.1.0...v2.0.0)
- concatenate objects [\#252](https://github.com/nlohmann/json/issues/252)
- Unit test fails when doing a CMake out-of-tree build [\#241](https://github.com/nlohmann/json/issues/241)
- Additional integration options [\#237](https://github.com/nlohmann/json/issues/237)
- Can't use basic\_json::iterator as a base iterator for std::move\_iterator [\#233](https://github.com/nlohmann/json/issues/233)
- Provide a FAQ [\#163](https://github.com/nlohmann/json/issues/163)
- Create PULL\_REQUEST\_TEMPLATE.md [\#213](https://github.com/nlohmann/json/pull/213) ([whackashoe](https://github.com/whackashoe))
- fixed noexcept; added constexpr [\#208](https://github.com/nlohmann/json/pull/208) ([nlohmann](https://github.com/nlohmann))
- Add support for afl-fuzz testing [\#207](https://github.com/nlohmann/json/pull/207) ([mykter](https://github.com/mykter))
- Issue \#178 - Extending support to full uint64\_t/int64\_t range and unsigned type \(updated\) [\#193](https://github.com/nlohmann/json/pull/193) ([twelsby](https://github.com/twelsby))
- json::diff generates incorrect patch when removing multiple array elements. [\#269](https://github.com/nlohmann/json/issues/269)
- Docs - What does Json\[key\] return? [\#267](https://github.com/nlohmann/json/issues/267)
- Compiler Errors With JSON.hpp [\#265](https://github.com/nlohmann/json/issues/265)
- Throw exception instead of crashing my app [\#264](https://github.com/nlohmann/json/issues/264)
- Ambiguous push\_back and operator+= overloads [\#263](https://github.com/nlohmann/json/issues/263)
- Preseving order of items in json [\#262](https://github.com/nlohmann/json/issues/262)
- '\' char problem in strings [\#261](https://github.com/nlohmann/json/issues/261)
- VS2015 compile fail [\#260](https://github.com/nlohmann/json/issues/260)
- -Wconversion warning [\#259](https://github.com/nlohmann/json/issues/259)
- Maybe a bug [\#258](https://github.com/nlohmann/json/issues/258)
- Few tests failed on Visual C++ 2015 [\#257](https://github.com/nlohmann/json/issues/257)
- Access keys when iteration with new for loop C++11 [\#256](https://github.com/nlohmann/json/issues/256)
- multiline text values [\#255](https://github.com/nlohmann/json/issues/255)
- Error when using json in g++ [\#254](https://github.com/nlohmann/json/issues/254)
- is the release 2.0? [\#253](https://github.com/nlohmann/json/issues/253)
- concatenate objects [\#252](https://github.com/nlohmann/json/issues/252)
- Encoding [\#251](https://github.com/nlohmann/json/issues/251)
- Unable to build example for constructing json object with stringstreams [\#250](https://github.com/nlohmann/json/issues/250)
- Hexadecimal support [\#249](https://github.com/nlohmann/json/issues/249)
- Update long-term goals [\#246](https://github.com/nlohmann/json/issues/246)
- Contribution To This Json Project [\#245](https://github.com/nlohmann/json/issues/245)
- Trouble using parser with initial dictionary [\#243](https://github.com/nlohmann/json/issues/243)
- Unit test fails when doing a CMake out-of-tree build [\#241](https://github.com/nlohmann/json/issues/241)
- -Wconversion warnings [\#239](https://github.com/nlohmann/json/issues/239)
- Additional integration options [\#237](https://github.com/nlohmann/json/issues/237)
- .get\<std::string\>\(\) works for non spaced string but returns as array for spaced/longer strings [\#236](https://github.com/nlohmann/json/issues/236)
- ambiguous overload for 'push\_back' and 'operator+=' [\#235](https://github.com/nlohmann/json/issues/235)
- Can't use basic\_json::iterator as a base iterator for std::move\_iterator [\#233](https://github.com/nlohmann/json/issues/233)
- json object's creation can freezes execution [\#231](https://github.com/nlohmann/json/issues/231)
- Incorrect dumping of parsed numbers with exponents, but without decimal places [\#230](https://github.com/nlohmann/json/issues/230)
- double values are serialized with commas as decimal points [\#228](https://github.com/nlohmann/json/issues/228)
- Move semantics with std::initializer\_list [\#225](https://github.com/nlohmann/json/issues/225)
- replace emplace [\#224](https://github.com/nlohmann/json/issues/224)
- abort during getline in yyfill [\#223](https://github.com/nlohmann/json/issues/223)
- free\(\): invalid pointer error in GCC 5.2.1 [\#221](https://github.com/nlohmann/json/issues/221)
- Error compile Android NDK error: 'strtof' is not a member of 'std' [\#219](https://github.com/nlohmann/json/issues/219)
- Wrong link in the README.md [\#217](https://github.com/nlohmann/json/issues/217)
- Wide character strings not supported [\#216](https://github.com/nlohmann/json/issues/216)
- Memory allocations using range-based for loops [\#214](https://github.com/nlohmann/json/issues/214)
- would you like to support gcc 4.8.1? [\#211](https://github.com/nlohmann/json/issues/211)
- Reading concatenated json's from an istream [\#210](https://github.com/nlohmann/json/issues/210)
- Conflicting typedef of ssize\_t on Windows 32 bit when using Boost.Python [\#204](https://github.com/nlohmann/json/issues/204)
- Inconsistency between operator\[\] and push\_back [\#203](https://github.com/nlohmann/json/issues/203)
- Small bugs in json.hpp \(get\_number\) and unit.cpp \(non-standard integer type test\) [\#199](https://github.com/nlohmann/json/issues/199)
- GCC/clang floating point parsing bug in strtod\(\) [\#195](https://github.com/nlohmann/json/issues/195)
- What is within scope? [\#192](https://github.com/nlohmann/json/issues/192)
- Bugs in miloyip/nativejson-benchmark: roundtrips [\#187](https://github.com/nlohmann/json/issues/187)
- Floating point exceptions [\#181](https://github.com/nlohmann/json/issues/181)
- In basic\_json::basic\_json\(const CompatibleArrayType& val\), the requirement of CompatibleArrayType is not strict enough. [\#174](https://github.com/nlohmann/json/issues/174)
- Implicit assignment to std::string fails [\#144](https://github.com/nlohmann/json/issues/144)
- Fix Issue \#265 [\#266](https://github.com/nlohmann/json/pull/266) ([06needhamt](https://github.com/06needhamt))
- Issue \#195 - update Travis to Trusty due to gcc/clang strtod\(\) bug [\#196](https://github.com/nlohmann/json/pull/196) ([twelsby](https://github.com/twelsby))
- Compiler Errors With JSON.hpp [\#265](https://github.com/nlohmann/json/issues/265)
- VS2015 compile fail [\#260](https://github.com/nlohmann/json/issues/260)
- Error when using json in g++ [\#254](https://github.com/nlohmann/json/issues/254)
- Update long-term goals [\#246](https://github.com/nlohmann/json/issues/246)
- Error compile Android NDK error: 'strtof' is not a member of 'std' [\#219](https://github.com/nlohmann/json/issues/219)
- Conflicting typedef of ssize\_t on Windows 32 bit when using Boost.Python [\#204](https://github.com/nlohmann/json/issues/204)
- Integer conversion to unsigned [\#178](https://github.com/nlohmann/json/issues/178)
- map string string fails to compile [\#176](https://github.com/nlohmann/json/issues/176)
- In basic\_json::basic\_json\(const CompatibleArrayType& val\), the requirement of CompatibleArrayType is not strict enough. [\#174](https://github.com/nlohmann/json/issues/174)
- Provide a FAQ [\#163](https://github.com/nlohmann/json/issues/163)
- Implicit assignment to std::string fails [\#144](https://github.com/nlohmann/json/issues/144)
- Fix Issue \#265 [\#266](https://github.com/nlohmann/json/pull/266) ([06needhamt](https://github.com/06needhamt))
- Define CMake/CTest tests [\#247](https://github.com/nlohmann/json/pull/247) ([robertmrk](https://github.com/robertmrk))
- Out of tree builds and a few other miscellaneous CMake cleanups. [\#242](https://github.com/nlohmann/json/pull/242) ([ChrisKitching](https://github.com/ChrisKitching))
- Implement additional integration options [\#238](https://github.com/nlohmann/json/pull/238) ([robertmrk](https://github.com/robertmrk))
@ -113,72 +188,81 @@ All notable changes to this project will be documented in this file. This projec
- Use namespace std for int64\_t and uint64\_t [\#226](https://github.com/nlohmann/json/pull/226) ([lv-zheng](https://github.com/lv-zheng))
- Added missing cerrno header to fix ERANGE compile error on android [\#222](https://github.com/nlohmann/json/pull/222) ([Teemperor](https://github.com/Teemperor))
- Corrected readme [\#218](https://github.com/nlohmann/json/pull/218) ([Annihil](https://github.com/Annihil))
- Create PULL\_REQUEST\_TEMPLATE.md [\#213](https://github.com/nlohmann/json/pull/213) ([whackashoe](https://github.com/whackashoe))
- fixed noexcept; added constexpr [\#208](https://github.com/nlohmann/json/pull/208) ([nlohmann](https://github.com/nlohmann))
- Add support for afl-fuzz testing [\#207](https://github.com/nlohmann/json/pull/207) ([mykter](https://github.com/mykter))
- replaced ssize\_t occurrences with auto \(addresses \#204\) [\#205](https://github.com/nlohmann/json/pull/205) ([nlohmann](https://github.com/nlohmann))
- Fixed issue \#199 - Small bugs in json.hpp \(get\_number\) and unit.cpp \(non-standard integer type test\) [\#200](https://github.com/nlohmann/json/pull/200) ([twelsby](https://github.com/twelsby))
- Fix broken link [\#197](https://github.com/nlohmann/json/pull/197) ([vog](https://github.com/vog))
- Issue \#195 - update Travis to Trusty due to gcc/clang strtod\(\) bug [\#196](https://github.com/nlohmann/json/pull/196) ([twelsby](https://github.com/twelsby))
- Issue \#178 - Extending support to full uint64\_t/int64\_t range and unsigned type \(updated\) [\#193](https://github.com/nlohmann/json/pull/193) ([twelsby](https://github.com/twelsby))
## [v1.1.0](https://github.com/nlohmann/json/releases/tag/v1.1.0) (2016-01-24)
[Full Changelog](https://github.com/nlohmann/json/compare/v1.0.0...v1.1.0)
- JSON performance benchmark comparision [\#177](https://github.com/nlohmann/json/issues/177)
- Since re2c is often ignored in pull requests, it may make sense to make a contributing.md file [\#175](https://github.com/nlohmann/json/issues/175)
- Add assertions [\#168](https://github.com/nlohmann/json/issues/168)
- range based for loop for objects [\#83](https://github.com/nlohmann/json/issues/83)
- Implementation of get\_ref\(\) [\#184](https://github.com/nlohmann/json/pull/184) ([dariomt](https://github.com/dariomt))
- Small error in pull \#185 [\#194](https://github.com/nlohmann/json/issues/194)
- Bugs in miloyip/nativejson-benchmark: floating-point parsing [\#186](https://github.com/nlohmann/json/issues/186)
- Cannot index by key of type static constexpr const char\* [\#171](https://github.com/nlohmann/json/issues/171)
- Fixed Issue \#171 - added two extra template overloads of operator\[\] for T\* arguments [\#189](https://github.com/nlohmann/json/pull/189) ([twelsby](https://github.com/twelsby))
- Fixed issue \#167 - removed operator ValueType\(\) condition for VS2015 [\#188](https://github.com/nlohmann/json/pull/188) ([twelsby](https://github.com/twelsby))
- Floating point equality [\#185](https://github.com/nlohmann/json/issues/185)
- Unused variables in catch [\#180](https://github.com/nlohmann/json/issues/180)
- Typo in documentation [\#179](https://github.com/nlohmann/json/issues/179)
- JSON performance benchmark comparision [\#177](https://github.com/nlohmann/json/issues/177)
- Since re2c is often ignored in pull requests, it may make sense to make a contributing.md file [\#175](https://github.com/nlohmann/json/issues/175)
- Question about exceptions [\#173](https://github.com/nlohmann/json/issues/173)
- Android? [\#172](https://github.com/nlohmann/json/issues/172)
- Cannot index by key of type static constexpr const char\* [\#171](https://github.com/nlohmann/json/issues/171)
- Add assertions [\#168](https://github.com/nlohmann/json/issues/168)
- MSVC 2015 build fails when attempting to compare object\_t [\#167](https://github.com/nlohmann/json/issues/167)
- Member detector is not portable [\#166](https://github.com/nlohmann/json/issues/166)
- Unnecessary const\_cast [\#162](https://github.com/nlohmann/json/issues/162)
- Question about get\_ref\(\) [\#128](https://github.com/nlohmann/json/issues/128)
- range based for loop for objects [\#83](https://github.com/nlohmann/json/issues/83)
- Consider submitting this to the Boost Library Incubator [\#66](https://github.com/nlohmann/json/issues/66)
- Fixed Issue \#186 - add strto\(f|d|ld\) overload wrappers, "-0.0" special case and FP trailing zero [\#191](https://github.com/nlohmann/json/pull/191) ([twelsby](https://github.com/twelsby))
- Issue \#185 - remove approx\(\) and use \#pragma to kill warnings [\#190](https://github.com/nlohmann/json/pull/190) ([twelsby](https://github.com/twelsby))
- Fixed Issue \#171 - added two extra template overloads of operator\[\] for T\* arguments [\#189](https://github.com/nlohmann/json/pull/189) ([twelsby](https://github.com/twelsby))
- Fixed issue \#167 - removed operator ValueType\(\) condition for VS2015 [\#188](https://github.com/nlohmann/json/pull/188) ([twelsby](https://github.com/twelsby))
- Implementation of get\_ref\(\) [\#184](https://github.com/nlohmann/json/pull/184) ([dariomt](https://github.com/dariomt))
- Fixed some typos in CONTRIBUTING.md [\#182](https://github.com/nlohmann/json/pull/182) ([nibroc](https://github.com/nibroc))
## [v1.0.0](https://github.com/nlohmann/json/releases/tag/v1.0.0) (2015-12-27)
[Full Changelog](https://github.com/nlohmann/json/compare/v1.0.0-rc1...v1.0.0)
- add key name to exception [\#160](https://github.com/nlohmann/json/issues/160)
- prevent json.hpp from emitting compiler warnings [\#154](https://github.com/nlohmann/json/issues/154)
- json::parse\(string\) does not check utf8 bom [\#152](https://github.com/nlohmann/json/issues/152)
- unsigned 64bit values output as signed [\#151](https://github.com/nlohmann/json/issues/151)
- overload of at\(\) with default value [\#133](https://github.com/nlohmann/json/issues/133)
- Memory leak in face of exceptions [\#118](https://github.com/nlohmann/json/issues/118)
- Find and Count for arrays [\#117](https://github.com/nlohmann/json/issues/117)
- dynamically constructing an arbitrarily nested object [\#114](https://github.com/nlohmann/json/issues/114)
- object field accessors [\#103](https://github.com/nlohmann/json/issues/103)
- v8pp and json [\#95](https://github.com/nlohmann/json/issues/95)
- Wishlist [\#65](https://github.com/nlohmann/json/issues/65)
- Windows/Visual Studio \(through 2013\) is unsupported [\#62](https://github.com/nlohmann/json/issues/62)
- Bug in basic\_json::operator\[\] const overload [\#135](https://github.com/nlohmann/json/issues/135)
- wrong enable\_if for const pointer \(instead of pointer-to-const\) [\#134](https://github.com/nlohmann/json/issues/134)
- Visual Studio 14 Debug assertion failed [\#125](https://github.com/nlohmann/json/issues/125)
- Compile error with g++ 4.9.3 cygwin 64-bit [\#112](https://github.com/nlohmann/json/issues/112)
- error: unterminated raw string [\#109](https://github.com/nlohmann/json/issues/109)
- \[clang-3.6.2\] string/sstream with number to json issue [\#107](https://github.com/nlohmann/json/issues/107)
- Getting member discarding qualifyer [\#159](https://github.com/nlohmann/json/issues/159)
- basic\_json::iterator::value\(\) output includes quotes while basic\_json::iterator::key\(\) doesn't [\#158](https://github.com/nlohmann/json/issues/158)
- Indexing `const basic\_json\<\>` with `const basic\_string\<char\>` [\#157](https://github.com/nlohmann/json/issues/157)
- token\_type\_name\(token\_type t\): not all control paths return a value [\#156](https://github.com/nlohmann/json/issues/156)
- prevent json.hpp from emitting compiler warnings [\#154](https://github.com/nlohmann/json/issues/154)
- json::parse\(string\) does not check utf8 bom [\#152](https://github.com/nlohmann/json/issues/152)
- unsigned 64bit values output as signed [\#151](https://github.com/nlohmann/json/issues/151)
- Wish feature: json5 [\#150](https://github.com/nlohmann/json/issues/150)
- Unable to compile on MSVC 2015 with SDL checking enabled: This function or variable may be unsafe. [\#149](https://github.com/nlohmann/json/issues/149)
- "Json Object" type does not keep object order [\#148](https://github.com/nlohmann/json/issues/148)
- dump\(\) convert strings encoded by utf-8 to shift-jis on windows 10. [\#147](https://github.com/nlohmann/json/issues/147)
- Unable to get field names in a json object [\#145](https://github.com/nlohmann/json/issues/145)
- Question: Is the use of incomplete type correct? [\#138](https://github.com/nlohmann/json/issues/138)
- json.hpp:5746:32: error: 'to\_string' is not a member of 'std' [\#136](https://github.com/nlohmann/json/issues/136)
- Bug in basic\_json::operator\[\] const overload [\#135](https://github.com/nlohmann/json/issues/135)
- wrong enable\_if for const pointer \(instead of pointer-to-const\) [\#134](https://github.com/nlohmann/json/issues/134)
- overload of at\(\) with default value [\#133](https://github.com/nlohmann/json/issues/133)
- Splitting source [\#132](https://github.com/nlohmann/json/issues/132)
- Question about get\_ptr\(\) [\#127](https://github.com/nlohmann/json/issues/127)
- Visual Studio 14 Debug assertion failed [\#125](https://github.com/nlohmann/json/issues/125)
- Memory leak in face of exceptions [\#118](https://github.com/nlohmann/json/issues/118)
- Find and Count for arrays [\#117](https://github.com/nlohmann/json/issues/117)
- dynamically constructing an arbitrarily nested object [\#114](https://github.com/nlohmann/json/issues/114)
- Returning any data type [\#113](https://github.com/nlohmann/json/issues/113)
- Compile error with g++ 4.9.3 cygwin 64-bit [\#112](https://github.com/nlohmann/json/issues/112)
- insert json array issue with gcc4.8.2 [\#110](https://github.com/nlohmann/json/issues/110)
- error: unterminated raw string [\#109](https://github.com/nlohmann/json/issues/109)
- vector\<json\> copy constructor really weird [\#108](https://github.com/nlohmann/json/issues/108)
- \[clang-3.6.2\] string/sstream with number to json issue [\#107](https://github.com/nlohmann/json/issues/107)
- maintaining order of keys during iteration [\#106](https://github.com/nlohmann/json/issues/106)
- object field accessors [\#103](https://github.com/nlohmann/json/issues/103)
- v8pp and json [\#95](https://github.com/nlohmann/json/issues/95)
- Wishlist [\#65](https://github.com/nlohmann/json/issues/65)
- Windows/Visual Studio \(through 2013\) is unsupported [\#62](https://github.com/nlohmann/json/issues/62)
- Replace sprintf with hex function, this fixes \#149 [\#153](https://github.com/nlohmann/json/pull/153) ([whackashoe](https://github.com/whackashoe))
- Fix character skipping after a surrogate pair [\#146](https://github.com/nlohmann/json/pull/146) ([robertmrk](https://github.com/robertmrk))
@ -194,65 +278,71 @@ All notable changes to this project will be documented in this file. This projec
- Use the right variable name in doc string [\#115](https://github.com/nlohmann/json/pull/115) ([whoshuu](https://github.com/whoshuu))
## [v1.0.0-rc1](https://github.com/nlohmann/json/releases/tag/v1.0.0-rc1) (2015-07-26)
- Finish documenting the public interface in Doxygen [\#102](https://github.com/nlohmann/json/issues/102)
- Binary string causes numbers to be dumped as hex [\#101](https://github.com/nlohmann/json/issues/101)
- failed to iterator json object with reverse\_iterator [\#100](https://github.com/nlohmann/json/issues/100)
- 'noexcept' : unknown override specifier [\#99](https://github.com/nlohmann/json/issues/99)
- json float parsing problem [\#98](https://github.com/nlohmann/json/issues/98)
- Adjust wording to JSON RFC [\#97](https://github.com/nlohmann/json/issues/97)
- 17 MB / 90 MB repo size!? [\#96](https://github.com/nlohmann/json/issues/96)
- static analysis warnings [\#94](https://github.com/nlohmann/json/issues/94)
- reverse\_iterator operator inheritance problem [\#93](https://github.com/nlohmann/json/issues/93)
- init error [\#92](https://github.com/nlohmann/json/issues/92)
- access by \(const\) reference [\#91](https://github.com/nlohmann/json/issues/91)
- is\_integer and is\_float tests [\#90](https://github.com/nlohmann/json/issues/90)
- Nonstandard integer type [\#89](https://github.com/nlohmann/json/issues/89)
- static library build [\#84](https://github.com/nlohmann/json/issues/84)
- lexer::get\_number return NAN [\#82](https://github.com/nlohmann/json/issues/82)
- MinGW have no std::to\_string [\#80](https://github.com/nlohmann/json/issues/80)
- Incorrect behaviour of basic\_json::count method [\#78](https://github.com/nlohmann/json/issues/78)
- Invoking is\_array\(\) function creates "null" value [\#77](https://github.com/nlohmann/json/issues/77)
- dump\(\) / parse\(\) not idempotent [\#76](https://github.com/nlohmann/json/issues/76)
- Handle infinity and NaN cases [\#70](https://github.com/nlohmann/json/issues/70)
- errors in g++-4.8.1 [\#68](https://github.com/nlohmann/json/issues/68)
- Keys when iterating over objects [\#67](https://github.com/nlohmann/json/issues/67)
- Compilation results in tons of warnings [\#64](https://github.com/nlohmann/json/issues/64)
- Complete brief documentation [\#61](https://github.com/nlohmann/json/issues/61)
- Double quotation mark is not parsed correctly [\#60](https://github.com/nlohmann/json/issues/60)
- Get coverage back to 100% [\#58](https://github.com/nlohmann/json/issues/58)
- erase elements using iterators [\#57](https://github.com/nlohmann/json/issues/57)
- Removing item from array [\#56](https://github.com/nlohmann/json/issues/56)
- Serialize/Deserialize like PHP? [\#55](https://github.com/nlohmann/json/issues/55)
- Numbers as keys [\#54](https://github.com/nlohmann/json/issues/54)
- Why are elements alphabetized on key while iterating? [\#53](https://github.com/nlohmann/json/issues/53)
- Document erase, count, and iterators key and value [\#52](https://github.com/nlohmann/json/issues/52)
- Do not use std::to\_string [\#51](https://github.com/nlohmann/json/issues/51)
- Supported compilers [\#50](https://github.com/nlohmann/json/issues/50)
- Confused about iterating through json objects [\#49](https://github.com/nlohmann/json/issues/49)
- Use non-member begin/end [\#48](https://github.com/nlohmann/json/issues/48)
- Erase key [\#47](https://github.com/nlohmann/json/issues/47)
- Key iterator [\#46](https://github.com/nlohmann/json/issues/46)
- Add count member function [\#45](https://github.com/nlohmann/json/issues/45)
- Printing attribute names [\#39](https://github.com/nlohmann/json/issues/39)
- Avoid using spaces when encoding without pretty print [\#31](https://github.com/nlohmann/json/issues/31)
- Cannot encode long numbers [\#30](https://github.com/nlohmann/json/issues/30)
- Creating an empty array [\#27](https://github.com/nlohmann/json/issues/27)
- Custom allocator support [\#25](https://github.com/nlohmann/json/issues/25)
- create a header-only version [\#16](https://github.com/nlohmann/json/issues/16)
- Add to\_string overload for indentation [\#13](https://github.com/nlohmann/json/issues/13)
- move code into namespace [\#9](https://github.com/nlohmann/json/issues/9)
- free functions for explicit objects and arrays in initializer lists [\#8](https://github.com/nlohmann/json/issues/8)
- Test case coverage [\#2](https://github.com/nlohmann/json/issues/2)
- Parse streams incrementally. [\#40](https://github.com/nlohmann/json/pull/40) ([aburgh](https://github.com/aburgh))
- Binary string causes numbers to be dumped as hex [\#101](https://github.com/nlohmann/json/issues/101)
- failed to iterator json object with reverse\_iterator [\#100](https://github.com/nlohmann/json/issues/100)
- static analysis warnings [\#94](https://github.com/nlohmann/json/issues/94)
- reverse\_iterator operator inheritance problem [\#93](https://github.com/nlohmann/json/issues/93)
- Nonstandard integer type [\#89](https://github.com/nlohmann/json/issues/89)
- lexer::get\_number return NAN [\#82](https://github.com/nlohmann/json/issues/82)
- Handle infinity and NaN cases [\#70](https://github.com/nlohmann/json/issues/70)
- errors in g++-4.8.1 [\#68](https://github.com/nlohmann/json/issues/68)
- Double quotation mark is not parsed correctly [\#60](https://github.com/nlohmann/json/issues/60)
- Do not use std::to\_string [\#51](https://github.com/nlohmann/json/issues/51)
- Confused about iterating through json objects [\#49](https://github.com/nlohmann/json/issues/49)
- Problem getting vector \(array\) of strings [\#44](https://github.com/nlohmann/json/issues/44)
- Compilation error due to assuming that private=public [\#43](https://github.com/nlohmann/json/issues/43)
- Use of deprecated implicit copy constructor [\#42](https://github.com/nlohmann/json/issues/42)
- Printing attribute names [\#39](https://github.com/nlohmann/json/issues/39)
- dumping a small number\_float just outputs 0.000000 [\#37](https://github.com/nlohmann/json/issues/37)
- find is error [\#32](https://github.com/nlohmann/json/issues/32)
- Avoid using spaces when encoding without pretty print [\#31](https://github.com/nlohmann/json/issues/31)
- Cannot encode long numbers [\#30](https://github.com/nlohmann/json/issues/30)
- segmentation fault when iterating over empty arrays/objects [\#28](https://github.com/nlohmann/json/issues/28)
- Creating an empty array [\#27](https://github.com/nlohmann/json/issues/27)
- Custom allocator support [\#25](https://github.com/nlohmann/json/issues/25)
- make the type of the used string container customizable [\#20](https://github.com/nlohmann/json/issues/20)
- Improper parsing of JSON string "\\" [\#17](https://github.com/nlohmann/json/issues/17)
- create a header-only version [\#16](https://github.com/nlohmann/json/issues/16)
- Don't return "const values" [\#15](https://github.com/nlohmann/json/issues/15)
- Add to\_string overload for indentation [\#13](https://github.com/nlohmann/json/issues/13)
- string parser does not recognize uncompliant strings [\#12](https://github.com/nlohmann/json/issues/12)
- free functions for explicit objects and arrays in initializer lists [\#8](https://github.com/nlohmann/json/issues/8)
- Runtime error in Travis job [\#1](https://github.com/nlohmann/json/issues/1)
- Fix compilation of json\_unit with GCC 5 [\#59](https://github.com/nlohmann/json/pull/59) ([dkopecek](https://github.com/dkopecek))
- Finish documenting the public interface in Doxygen [\#102](https://github.com/nlohmann/json/issues/102)
- 'noexcept' : unknown override specifier [\#99](https://github.com/nlohmann/json/issues/99)
- Keys when iterating over objects [\#67](https://github.com/nlohmann/json/issues/67)
- Complete brief documentation [\#61](https://github.com/nlohmann/json/issues/61)
- Get coverage back to 100% [\#58](https://github.com/nlohmann/json/issues/58)
- possible double-free in find function [\#11](https://github.com/nlohmann/json/issues/11)
- UTF-8 encoding/deconding/testing [\#10](https://github.com/nlohmann/json/issues/10)
- move code into namespace [\#9](https://github.com/nlohmann/json/issues/9)
- free functions for explicit objects and arrays in initializer lists [\#8](https://github.com/nlohmann/json/issues/8)
- unique\_ptr for ownership [\#7](https://github.com/nlohmann/json/issues/7)
- Add unit tests [\#4](https://github.com/nlohmann/json/issues/4)
- Drop C++98 support [\#3](https://github.com/nlohmann/json/issues/3)
- Test case coverage [\#2](https://github.com/nlohmann/json/issues/2)
- Runtime error in Travis job [\#1](https://github.com/nlohmann/json/issues/1)
- Keyword 'inline' is useless when member functions are defined in headers [\#87](https://github.com/nlohmann/json/pull/87) ([ahamez](https://github.com/ahamez))
- Remove useless typename [\#86](https://github.com/nlohmann/json/pull/86) ([ahamez](https://github.com/ahamez))
@ -262,6 +352,8 @@ All notable changes to this project will be documented in this file. This projec
- support enum [\#71](https://github.com/nlohmann/json/pull/71) ([likebeta](https://github.com/likebeta))
- Fix performance regression introduced with the parsing callback feature. [\#69](https://github.com/nlohmann/json/pull/69) ([aburgh](https://github.com/aburgh))
- Improve the implementations of the comparission-operators [\#63](https://github.com/nlohmann/json/pull/63) ([Florianjw](https://github.com/Florianjw))
- Fix compilation of json\_unit with GCC 5 [\#59](https://github.com/nlohmann/json/pull/59) ([dkopecek](https://github.com/dkopecek))
- Parse streams incrementally. [\#40](https://github.com/nlohmann/json/pull/40) ([aburgh](https://github.com/aburgh))
- Feature/small float serialization [\#38](https://github.com/nlohmann/json/pull/38) ([jrandall](https://github.com/jrandall))
- template version with re2c scanner [\#36](https://github.com/nlohmann/json/pull/36) ([nlohmann](https://github.com/nlohmann))
- more descriptive documentation in example [\#33](https://github.com/nlohmann/json/pull/33) ([luxe](https://github.com/luxe))

2
LICENSE.MIT
View file

@ -1,4 +1,4 @@
The library is licensed under the MIT License
JSON for Modern C++ is licensed under the MIT License
<http://opensource.org/licenses/MIT>:
Copyright (c) 2013-2016 Niels Lohmann

2
Makefile
View file

@ -95,7 +95,7 @@ pretty:
# benchmarks
json_benchmarks: benchmarks/benchmarks.cpp benchmarks/benchpress.hpp benchmarks/cxxopts.hpp src/json.hpp
cd benchmarks/files/numbers ; python generate.py
$(CXX) -std=c++11 $(CXXFLAGS) -DNDEBUG -O3 -flto -I src -I benchmarks $< $(LDFLAGS) -o $@
$(CXX) -std=c++11 -pthread $(CXXFLAGS) -DNDEBUG -O3 -flto -I src -I benchmarks $< $(LDFLAGS) -o $@
./json_benchmarks

56
README.md
View file

@ -3,6 +3,7 @@
[![Build Status](https://travis-ci.org/nlohmann/json.svg?branch=master)](https://travis-ci.org/nlohmann/json)
[![Build Status](https://ci.appveyor.com/api/projects/status/1acb366xfyg3qybk/branch/develop?svg=true)](https://ci.appveyor.com/project/nlohmann/json)
[![Coverage Status](https://img.shields.io/coveralls/nlohmann/json.svg)](https://coveralls.io/r/nlohmann/json)
[![Coverity Scan Build Status](https://scan.coverity.com/projects/5550/badge.svg)](https://scan.coverity.com/projects/nlohmann-json)
[![Try online](https://img.shields.io/badge/try-online-blue.svg)](http://melpon.org/wandbox/permlink/fsf5FqYe6GoX68W6)
[![Documentation](https://img.shields.io/badge/docs-doxygen-blue.svg)](http://nlohmann.github.io/json)
[![GitHub license](https://img.shields.io/badge/license-MIT-blue.svg)](https://raw.githubusercontent.com/nlohmann/json/master/LICENSE.MIT)
@ -24,7 +25,7 @@ Other aspects were not so important to us:
- **Memory efficiency**. Each JSON object has an overhead of one pointer (the maximal size of a union) and one enumeration element (1 byte). The default generalization uses the following C++ data types: `std::string` for strings, `int64_t`, `uint64_t` or `double` for numbers, `std::map` for objects, `std::vector` for arrays, and `bool` for Booleans. However, you can template the generalized class `basic_json` to your needs.
- **Speed**. We currently implement the parser as naive [recursive descent parser](http://en.wikipedia.org/wiki/Recursive_descent_parser) with hand coded string handling. It is fast enough, but a [LALR-parser](http://en.wikipedia.org/wiki/LALR_parser) may be even faster (but would consist of more files which makes the integration harder).
- **Speed**. There are certainly [faster JSON libraries](https://github.com/miloyip/nativejson-benchmark#parsing-time) out there. However, if your goal is to speed up your development by adding JSON support with a single header, then this library is the way to go. If you know how to use a `std::vector` or `std::map`, you are already set.
See the [contribution guidelines](https://github.com/nlohmann/json/blob/master/.github/CONTRIBUTING.md#please-dont) for more information.
@ -129,6 +130,8 @@ json array_not_object = { json::array({"currency", "USD"}), json::array({"value"
### Serialization / Deserialization
#### To/from strings
You can create an object (deserialization) by appending `_json` to a string literal:
```cpp
@ -162,6 +165,8 @@ std::cout << j.dump(4) << std::endl;
// }
```
#### To/from streams (e.g. files, string streams)
You can also use streams to serialize and deserialize:
```cpp
@ -176,10 +181,37 @@ std::cout << j;
std::cout << std::setw(4) << j << std::endl;
```
These operators work for any subclasses of `std::istream` or `std::ostream`.
These operators work for any subclasses of `std::istream` or `std::ostream`. Here is the same example with files:
```cpp
// read a JSON file
std::ifstream i("file.json");
json j;
i >> j;
// write prettified JSON to another file
std::ofstream o("pretty.json");
o << std::setw(4) << j << std::endl;
```
Please note that setting the exception bit for `failbit` is inappropriate for this use case. It will result in program termination due to the `noexcept` specifier in use.
#### Read from iterator range
You can also read JSON from an iterator range; that is, from any container accessible by iterators whose content is stored as contiguous byte sequence, for instance a `std::vector<uint8_t>`:
```cpp
std::vector<uint8_t> v = {'t', 'r', 'u', 'e'};
json j = json::parse(v.begin(), v.end());
```
You may leave the iterators for the range [begin, end):
```cpp
std::vector<uint8_t> v = {'t', 'r', 'u', 'e'};
json j = json::parse(v);
```
### STL-like access
@ -192,6 +224,9 @@ j.push_back("foo");
j.push_back(1);
j.push_back(true);
// also use emplace_back
j.emplace_back(1.78);
// iterate the array
for (json::iterator it = j.begin(); it != j.end(); ++it) {
std::cout << *it << '\n';
@ -230,6 +265,9 @@ o["foo"] = 23;
o["bar"] = false;
o["baz"] = 3.141;
// also use emplace
o.emplace("weather", "sunny");
// special iterator member functions for objects
for (json::iterator it = o.begin(); it != o.end(); ++it) {
std::cout << it.key() << " : " << it.value() << "\n";
@ -423,14 +461,11 @@ The following compilers are currently used in continuous integration at [Travis]
| Clang 3.7.1 | Ubuntu 14.04.4 LTS | clang version 3.7.1 (tags/RELEASE_371/final) |
| Clang 3.8.0 | Ubuntu 14.04.4 LTS | clang version 3.8.0 (tags/RELEASE_380/final) |
| Clang 3.8.1 | Ubuntu 14.04.4 LTS | clang version 3.8.1 (tags/RELEASE_381/final) |
| Clang Xcode 6.1 | Darwin Kernel Version 13.4.0 (OSX 10.9.5) | Apple LLVM version 6.0 (clang-600.0.54) (based on LLVM 3.5svn) |
| Clang Xcode 6.2 | Darwin Kernel Version 13.4.0 (OSX 10.9.5) | Apple LLVM version 6.0 (clang-600.0.57) (based on LLVM 3.5svn) |
| Clang Xcode 6.3 | Darwin Kernel Version 14.3.0 (OSX 10.10.3) | Apple LLVM version 6.1.0 (clang-602.0.49) (based on LLVM 3.6.0svn) |
| Clang Xcode 6.4 | Darwin Kernel Version 14.3.0 (OSX 10.10.3) | Apple LLVM version 6.1.0 (clang-602.0.53) (based on LLVM 3.6.0svn) |
| Clang Xcode 7.1 | Darwin Kernel Version 14.5.0 (OSX 10.10.5) | Apple LLVM version 7.0.0 (clang-700.1.76) |
| Clang Xcode 7.2 | Darwin Kernel Version 15.0.0 (OSX 10.10.5) | Apple LLVM version 7.0.2 (clang-700.1.81) |
| Clang Xcode 7.3 | Darwin Kernel Version 15.0.0 (OSX 10.10.5) | Apple LLVM version 7.3.0 (clang-703.0.29) |
| Clang Xcode 8.0 | Darwin Kernel Version 15.6.0 (OSX 10.11.6) | Apple LLVM version 8.0.0 (clang-800.0.38) |
| Clang Xcode 8.0 | Darwin Kernel Version 15.6.0 | Apple LLVM version 8.0.0 (clang-800.0.38) |
| Clang Xcode 8.1 | Darwin Kernel Version 16.1.0 (macOS 10.12.1) | Apple LLVM version 8.0.0 (clang-800.0.42.1) |
| Clang Xcode 8.2 | Darwin Kernel Version 16.1.0 (macOS 10.12.1) | Apple LLVM version 8.0.0 (clang-800.0.42.1) |
| Visual Studio 14 2015 | Windows Server 2012 R2 (x64) | Microsoft (R) Build Engine version 14.0.25123.0 |
@ -499,6 +534,9 @@ I deeply appreciate the help of the following people.
- [ChristophJud](https://github.com/ChristophJud) overworked the CMake files to ease project inclusion.
- [Vladimir Petrigo](https://github.com/vpetrigo) made a SFINAE hack more readable.
- [Denis Andrejew](https://github.com/seeekr) fixed a grammar issue in the README file.
- [Pierre-Antoine Lacaze](https://github.com/palacaze) found a subtle bug in the `dump()` function.
- [TurpentineDistillery](https://github.com/TurpentineDistillery) pointed to [`std::locale::classic()`](http://en.cppreference.com/w/cpp/locale/locale/classic) to avoid too much locale joggling, found some nice performance improvements in the parser and improved the benchmarking code.
- [cgzones](https://github.com/cgzones) had an idea how to fix the Coverity scan.
Thanks a lot for helping out!
@ -522,7 +560,7 @@ To compile and run the tests, you need to execute
$ make check
===============================================================================
All tests passed (8905491 assertions in 36 test cases)
All tests passed (8905518 assertions in 36 test cases)
```
Alternatively, you can use [CMake](https://cmake.org) and run

183
benchmarks/benchmarks.cpp
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@ -1,107 +1,118 @@
#define BENCHPRESS_CONFIG_MAIN
#include <fstream>
#include <sstream>
#include <benchpress.hpp>
#include <json.hpp>
#include <pthread.h>
#include <thread>
BENCHMARK("parse jeopardy.json", [](benchpress::context* ctx)
using json = nlohmann::json;
struct StartUp
{
for (size_t i = 0; i < ctx->num_iterations(); ++i)
StartUp()
{
std::ifstream input_file("benchmarks/files/jeopardy/jeopardy.json");
nlohmann::json j;
j << input_file;
#ifndef __llvm__
// pin thread to a single CPU
cpu_set_t cpuset;
pthread_t thread;
thread = pthread_self();
CPU_ZERO(&cpuset);
CPU_SET(std::thread::hardware_concurrency() - 1, &cpuset);
pthread_setaffinity_np(thread, sizeof(cpu_set_t), &cpuset);
#endif
}
})
};
StartUp startup;
BENCHMARK("parse canada.json", [](benchpress::context* ctx)
{
for (size_t i = 0; i < ctx->num_iterations(); ++i)
{
std::ifstream input_file("benchmarks/files/nativejson-benchmark/canada.json");
nlohmann::json j;
j << input_file;
}
})
enum class EMode { input, output_no_indent, output_with_indent };
BENCHMARK("parse citm_catalog.json", [](benchpress::context* ctx)
static void bench(benchpress::context& ctx,
const std::string& in_path,
const EMode mode)
{
for (size_t i = 0; i < ctx->num_iterations(); ++i)
// using string streams for benchmarking to factor-out cold-cache disk
// access.
std::stringstream istr;
{
std::ifstream input_file("benchmarks/files/nativejson-benchmark/citm_catalog.json");
nlohmann::json j;
j << input_file;
}
})
// read file into string stream
std::ifstream input_file(in_path);
istr << input_file.rdbuf();
input_file.close();
BENCHMARK("parse twitter.json", [](benchpress::context* ctx)
{
for (size_t i = 0; i < ctx->num_iterations(); ++i)
{
std::ifstream input_file("benchmarks/files/nativejson-benchmark/twitter.json");
nlohmann::json j;
j << input_file;
}
})
BENCHMARK("parse numbers/floats.json", [](benchpress::context* ctx)
{
for (size_t i = 0; i < ctx->num_iterations(); ++i)
{
std::ifstream input_file("benchmarks/files/numbers/floats.json");
nlohmann::json j;
j << input_file;
}
})
BENCHMARK("parse numbers/signed_ints.json", [](benchpress::context* ctx)
{
for (size_t i = 0; i < ctx->num_iterations(); ++i)
{
std::ifstream input_file("benchmarks/files/numbers/signed_ints.json");
nlohmann::json j;
j << input_file;
}
})
BENCHMARK("parse numbers/unsigned_ints.json", [](benchpress::context* ctx)
{
for (size_t i = 0; i < ctx->num_iterations(); ++i)
{
std::ifstream input_file("benchmarks/files/numbers/unsigned_ints.json");
nlohmann::json j;
j << input_file;
}
})
BENCHMARK("dump jeopardy.json", [](benchpress::context* ctx)
{
std::ifstream input_file("benchmarks/files/jeopardy/jeopardy.json");
nlohmann::json j;
j << input_file;
std::ofstream output_file("jeopardy.dump.json");
ctx->reset_timer();
for (size_t i = 0; i < ctx->num_iterations(); ++i)
{
output_file << j;
// read the stream once
json j;
j << istr;
// clear flags and rewind
istr.clear();
istr.seekg(0);
}
std::remove("jeopardy.dump.json");
})
BENCHMARK("dump jeopardy.json with indent", [](benchpress::context* ctx)
switch (mode)
{
std::ifstream input_file("benchmarks/files/jeopardy/jeopardy.json");
nlohmann::json j;
j << input_file;
std::ofstream output_file("jeopardy.dump.json");
ctx->reset_timer();
for (size_t i = 0; i < ctx->num_iterations(); ++i)
// benchmarking input
case EMode::input:
{
output_file << std::setw(4) << j;
ctx.reset_timer();
for (size_t i = 0; i < ctx.num_iterations(); ++i)
{
// clear flags and rewind
istr.clear();
istr.seekg(0);
json j;
j << istr;
}
std::remove("jeopardy.dump.json");
break;
}
// benchmarking output
case EMode::output_no_indent:
case EMode::output_with_indent:
{
// create JSON value from input
json j;
j << istr;
std::stringstream ostr;
ctx.reset_timer();
for (size_t i = 0; i < ctx.num_iterations(); ++i)
{
if (mode == EMode::output_no_indent)
{
ostr << j;
}
else
{
ostr << std::setw(4) << j;
}
// reset data
ostr.str(std::string());
}
break;
}
}
}
#define BENCHMARK_I(mode, title, in_path) \
BENCHMARK((title), [](benchpress::context* ctx) \
{ \
bench(*ctx, (in_path), (mode)); \
})
BENCHMARK_I(EMode::input, "parse jeopardy.json", "benchmarks/files/jeopardy/jeopardy.json");
BENCHMARK_I(EMode::input, "parse canada.json", "benchmarks/files/nativejson-benchmark/canada.json");
BENCHMARK_I(EMode::input, "parse citm_catalog.json", "benchmarks/files/nativejson-benchmark/citm_catalog.json");
BENCHMARK_I(EMode::input, "parse twitter.json", "benchmarks/files/nativejson-benchmark/twitter.json");
BENCHMARK_I(EMode::input, "parse numbers/floats.json", "benchmarks/files/numbers/floats.json");
BENCHMARK_I(EMode::input, "parse numbers/signed_ints.json", "benchmarks/files/numbers/signed_ints.json");
BENCHMARK_I(EMode::input, "parse numbers/unsigned_ints.json", "benchmarks/files/numbers/unsigned_ints.json");
BENCHMARK_I(EMode::output_no_indent, "dump jeopardy.json", "benchmarks/files/jeopardy/jeopardy.json");
BENCHMARK_I(EMode::output_with_indent, "dump jeopardy.json with indent", "benchmarks/files/jeopardy/jeopardy.json");
BENCHMARK_I(EMode::output_no_indent, "dump numbers/floats.json", "benchmarks/files/numbers/floats.json");
BENCHMARK_I(EMode::output_no_indent, "dump numbers/signed_ints.json", "benchmarks/files/numbers/signed_ints.json");

2
doc/Doxyfile
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@ -5,7 +5,7 @@
#---------------------------------------------------------------------------
DOXYFILE_ENCODING = UTF-8
PROJECT_NAME = "JSON for Modern C++"
PROJECT_NUMBER = 2.0.7
PROJECT_NUMBER = 2.0.8
PROJECT_BRIEF =
PROJECT_LOGO =
OUTPUT_DIRECTORY = .

2
doc/examples/README.link
View file

@ -1 +1 @@
<a target="_blank" href="http://melpon.org/wandbox/permlink/fsf5FqYe6GoX68W6"><b>online</b></a>
<a target="_blank" href="http://melpon.org/wandbox/permlink/G6Pdtdxq01HJvvJz"><b>online</b></a>

30
doc/examples/emplace.cpp Normal file
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@ -0,0 +1,30 @@
#include <json.hpp>
using json = nlohmann::json;
int main()
{
// create JSON values
json object = {{"one", 1}, {"two", 2}};
json null;
// print values
std::cout << object << '\n';
std::cout << null << '\n';
// add values
auto res1 = object.emplace("three", 3);
null.emplace("A", "a");
null.emplace("B", "b");
// the following call will not add an object, because there is already
// a value stored at key "B"
auto res2 = null.emplace("B", "c");
// print values
std::cout << object << '\n';
std::cout << *res1.first << " " << std::boolalpha << res1.second << '\n';
std::cout << null << '\n';
std::cout << *res2.first << " " << std::boolalpha << res2.second << '\n';
}

1
doc/examples/emplace.link Normal file
View file

@ -0,0 +1 @@
<a target="_blank" href="http://melpon.org/wandbox/permlink/B6ILaoysGMliouEO"><b>online</b></a>

6
doc/examples/emplace.output Normal file
View file

@ -0,0 +1,6 @@
{"one":1,"two":2}
null
{"one":1,"three":3,"two":2}
3 true
{"A":"a","B":"b"}
"b" false

23
doc/examples/emplace_back.cpp Normal file
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@ -0,0 +1,23 @@
#include <json.hpp>
using json = nlohmann::json;
int main()
{
// create JSON values
json array = {1, 2, 3, 4, 5};
json null;
// print values
std::cout << array << '\n';
std::cout << null << '\n';
// add values
array.emplace_back(6);
null.emplace_back("first");
null.emplace_back(3, "second");
// print values
std::cout << array << '\n';
std::cout << null << '\n';
}

1
doc/examples/emplace_back.link Normal file
View file

@ -0,0 +1 @@
<a target="_blank" href="http://melpon.org/wandbox/permlink/jdch45YEMX94DvlH"><b>online</b></a>

4
doc/examples/emplace_back.output Normal file
View file

@ -0,0 +1,4 @@
[1,2,3,4,5]
null
[1,2,3,4,5,6]
["first",["second","second","second"]]

13
doc/index.md
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@ -197,7 +197,7 @@ The container functions known from STL have been extended to support the differe
<td class="ok_green">@link nlohmann::basic_json::max_size `max_size` @endlink (returns `0`)</td>
</tr>
<tr>
<td rowspan="5">modifiers</td>
<td rowspan="6">modifiers</td>
<td>`clear`</td>
<td class="ok_green">@link nlohmann::basic_json::clear `clear` @endlink</td>
<td class="ok_green">@link nlohmann::basic_json::clear `clear` @endlink</td>
@ -233,6 +233,15 @@ The container functions known from STL have been extended to support the differe
<td class="nok_throws">throws `std::domain_error`</td>
<td class="ok_green">@link nlohmann::basic_json::push_back(const typename object_t::value_type & val) `push_back` @endlink (creates object)<br>@link nlohmann::basic_json::push_back(const nlohmann::basic_json &) `push_back` @endlink (creates array)</td>
</tr>
<tr>
<td>`emplace` / `emplace_back`</td>
<td class="ok_green">@link nlohmann::basic_json::emplace() `emplace` @endlink</td>
<td class="ok_green">@link nlohmann::basic_json::emplace_back() `emplace_back` @endlink</td>
<td class="nok_throws">throws `std::domain_error`</td>
<td class="nok_throws">throws `std::domain_error`</td>
<td class="nok_throws">throws `std::domain_error`</td>
<td class="ok_green">@link nlohmann::basic_json::emplace() `emplace` @endlink (creates object)<br>@link nlohmann::basic_json::emplace_back() `emplace_back` @endlink (creates array)</td>
</tr>
<tr>
<td>`swap`</td>
<td class="ok_green">@link nlohmann::basic_json::swap `swap` @endlink</td>
@ -268,4 +277,4 @@ The container functions known from STL have been extended to support the differe
@author [Niels Lohmann](http://nlohmann.me)
@see https://github.com/nlohmann/json to download the source code
@version 2.0.7
@version 2.0.8

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199
src/json.hpp
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@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
@ -45,7 +45,7 @@ SOFTWARE.
#include <iostream> // istream, ostream
#include <iterator> // advance, begin, bidirectional_iterator_tag, distance, end, inserter, iterator, iterator_traits, next, random_access_iterator_tag, reverse_iterator
#include <limits> // numeric_limits
#include <locale> // locale, numpunct
#include <locale> // locale
#include <map> // map
#include <memory> // addressof, allocator, allocator_traits, unique_ptr
#include <numeric> // accumulate
@ -122,26 +122,6 @@ struct has_mapped_type
std::is_integral<decltype(detect(std::declval<T>()))>::value;
};
/*!
@brief helper class to create locales with decimal point
This struct is used a default locale during the JSON serialization. JSON
requires the decimal point to be `.`, so this function overloads the
`do_decimal_point()` function to return `.`. This function is called by
float-to-string conversions to retrieve the decimal separator between integer
and fractional parts.
@sa https://github.com/nlohmann/json/issues/51#issuecomment-86869315
@since version 2.0.0
*/
struct DecimalSeparator : std::numpunct<char>
{
char do_decimal_point() const
{
return '.';
}
};
}
/*!
@ -2201,8 +2181,7 @@ class basic_json
{
std::stringstream ss;
// fix locale problems
const static std::locale loc(std::locale(), new DecimalSeparator);
ss.imbue(loc);
ss.imbue(std::locale::classic());
// 6, 15 or 16 digits of precision allows round-trip IEEE 754
// string->float->string, string->double->string or string->long
@ -5053,6 +5032,102 @@ class basic_json
return *this;
}
/*!
@brief add an object to an array
Creates a JSON value from the passed parameters @a args to the end of the
JSON value. If the function is called on a JSON null value, an empty array
is created before appending the value created from @a args.
@param[in] args arguments to forward to a constructor of @ref basic_json
@tparam Args compatible types to create a @ref basic_json object
@throw std::domain_error when called on a type other than JSON array or
null; example: `"cannot use emplace_back() with number"`
@complexity Amortized constant.
@liveexample{The example shows how `push_back()` can be used to add
elements to a JSON array. Note how the `null` value was silently converted
to a JSON array.,emplace_back}
@since version 2.0.8
*/
template<class... Args>
void emplace_back(Args&& ... args)
{
// emplace_back only works for null objects or arrays
if (not(is_null() or is_array()))
{
throw std::domain_error("cannot use emplace_back() with " + type_name());
}
// transform null object into an array
if (is_null())
{
m_type = value_t::array;
m_value = value_t::array;
assert_invariant();
}
// add element to array (perfect forwarding)
m_value.array->emplace_back(std::forward<Args>(args)...);
}
/*!
@brief add an object to an object if key does not exist
Inserts a new element into a JSON object constructed in-place with the given
@a args if there is no element with the key in the container. If the
function is called on a JSON null value, an empty object is created before
appending the value created from @a args.
@param[in] args arguments to forward to a constructor of @ref basic_json
@tparam Args compatible types to create a @ref basic_json object
@return a pair consisting of an iterator to the inserted element, or the
already-existing element if no insertion happened, and a bool
denoting whether the insertion took place.
@throw std::domain_error when called on a type other than JSON object or
null; example: `"cannot use emplace() with number"`
@complexity Logarithmic in the size of the container, O(log(`size()`)).
@liveexample{The example shows how `emplace()` can be used to add elements
to a JSON object. Note how the `null` value was silently converted to a
JSON object. Further note how no value is added if there was already one
value stored with the same key.,emplace}
@since version 2.0.8
*/
template<class... Args>
std::pair<iterator, bool> emplace(Args&& ... args)
{
// emplace only works for null objects or arrays
if (not(is_null() or is_object()))
{
throw std::domain_error("cannot use emplace() with " + type_name());
}
// transform null object into an object
if (is_null())
{
m_type = value_t::object;
m_value = value_t::object;
assert_invariant();
}
// add element to array (perfect forwarding)
auto res = m_value.object->emplace(std::forward<Args>(args)...);
// create result iterator and set iterator to the result of emplace
auto it = begin();
it.m_it.object_iterator = res.first;
// return pair of iterator and boolean
return {it, res.second};
}
/*!
@brief inserts element
@ -5829,7 +5904,7 @@ class basic_json
o.width(0);
// fix locale problems
const auto old_locale = o.imbue(std::locale(std::locale(), new DecimalSeparator));
const auto old_locale = o.imbue(std::locale::classic());
// set precision
// 6, 15 or 16 digits of precision allows round-trip IEEE 754
@ -7618,6 +7693,12 @@ class basic_json
explicit lexer(std::istream& s)
: m_stream(&s), m_line_buffer()
{
// immediately abort if stream is erroneous
if (s.fail())
{
throw std::invalid_argument("stream error: " + std::string(strerror(errno)));
}
// fill buffer
fill_line_buffer();
@ -8740,8 +8821,22 @@ basic_json_parser_66:
*/
void fill_line_buffer(size_t n = 0)
{
// if line buffer is used, m_content points to its data
assert(m_line_buffer.empty()
or m_content == reinterpret_cast<const lexer_char_t*>(m_line_buffer.data()));
// if line buffer is used, m_limit is set past the end of its data
assert(m_line_buffer.empty()
or m_limit == m_content + m_line_buffer.size());
// pointer relationships
assert(m_content <= m_start);
assert(m_start <= m_cursor);
assert(m_cursor <= m_limit);
assert(m_marker == nullptr or m_marker <= m_limit);
// number of processed characters (p)
const auto offset_start = m_start - m_content;
const size_t num_processed_chars = static_cast<size_t>(m_start - m_content);
// offset for m_marker wrt. to m_start
const auto offset_marker = (m_marker == nullptr) ? 0 : m_marker - m_start;
// number of unprocessed characters (u)
@ -8750,35 +8845,34 @@ basic_json_parser_66:
// no stream is used or end of file is reached
if (m_stream == nullptr or m_stream->eof())
{
// skip this part if we are already using the line buffer
if (m_start != reinterpret_cast<const lexer_char_t*>(m_line_buffer.data()))
{
// copy unprocessed characters to line buffer
m_line_buffer.clear();
for (m_cursor = m_start; m_cursor != m_limit; ++m_cursor)
{
m_line_buffer.append(1, static_cast<const char>(*m_cursor));
}
}
// m_start may or may not be pointing into m_line_buffer at
// this point. We trust the standand library to do the right
// thing. See http://stackoverflow.com/q/28142011/266378
m_line_buffer.assign(m_start, m_limit);
// append n characters to make sure that there is sufficient
// space between m_cursor and m_limit
m_line_buffer.append(1, '\x00');
if (n > 0)
{
m_line_buffer.append(n - 1, '\x01');
}
}
else
{
// delete processed characters from line buffer
m_line_buffer.erase(0, static_cast<size_t>(offset_start));
m_line_buffer.erase(0, num_processed_chars);
// read next line from input stream
std::string line;
std::getline(*m_stream, line, '\n');
m_line_buffer_tmp.clear();
std::getline(*m_stream, m_line_buffer_tmp, '\n');
// add line with newline symbol to the line buffer
m_line_buffer += line + "\n";
m_line_buffer += m_line_buffer_tmp;
m_line_buffer.push_back('\n');
}
// set pointers
m_content = reinterpret_cast<const lexer_char_t*>(m_line_buffer.c_str());
m_content = reinterpret_cast<const lexer_char_t*>(m_line_buffer.data());
assert(m_content != nullptr);
m_start = m_content;
m_marker = m_start + offset_marker;
@ -8861,9 +8955,20 @@ basic_json_parser_66:
// iterate the result between the quotes
for (const lexer_char_t* i = m_start + 1; i < m_cursor - 1; ++i)
{
// process escaped characters
if (*i == '\\')
// find next escape character
auto e = std::find(i, m_cursor - 1, '\\');
if (e != i)
{
// see https://github.com/nlohmann/json/issues/365#issuecomment-262874705
for (auto k = i; k < e; k++)
{
result.push_back(static_cast<typename string_t::value_type>(*k));
}
i = e - 1; // -1 because of ++i
}
else
{
// processing escaped character
// read next character
++i;
@ -8950,12 +9055,6 @@ basic_json_parser_66:
}
}
}
else
{
// all other characters are just copied to the end of the
// string
result.append(1, static_cast<typename string_t::value_type>(*i));
}
}
return result;
@ -9139,6 +9238,8 @@ basic_json_parser_66:
std::istream* m_stream = nullptr;
/// line buffer buffer for m_stream
string_t m_line_buffer {};
/// used for filling m_line_buffer
string_t m_line_buffer_tmp {};
/// the buffer pointer
const lexer_char_t* m_content = nullptr;
/// pointer to the beginning of the current symbol

199
src/json.hpp.re2c
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@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
@ -45,7 +45,7 @@ SOFTWARE.
#include <iostream> // istream, ostream
#include <iterator> // advance, begin, bidirectional_iterator_tag, distance, end, inserter, iterator, iterator_traits, next, random_access_iterator_tag, reverse_iterator
#include <limits> // numeric_limits
#include <locale> // locale, numpunct
#include <locale> // locale
#include <map> // map
#include <memory> // addressof, allocator, allocator_traits, unique_ptr
#include <numeric> // accumulate
@ -122,26 +122,6 @@ struct has_mapped_type
std::is_integral<decltype(detect(std::declval<T>()))>::value;
};
/*!
@brief helper class to create locales with decimal point
This struct is used a default locale during the JSON serialization. JSON
requires the decimal point to be `.`, so this function overloads the
`do_decimal_point()` function to return `.`. This function is called by
float-to-string conversions to retrieve the decimal separator between integer
and fractional parts.
@sa https://github.com/nlohmann/json/issues/51#issuecomment-86869315
@since version 2.0.0
*/
struct DecimalSeparator : std::numpunct<char>
{
char do_decimal_point() const
{
return '.';
}
};
}
/*!
@ -2201,8 +2181,7 @@ class basic_json
{
std::stringstream ss;
// fix locale problems
const static std::locale loc(std::locale(), new DecimalSeparator);
ss.imbue(loc);
ss.imbue(std::locale::classic());
// 6, 15 or 16 digits of precision allows round-trip IEEE 754
// string->float->string, string->double->string or string->long
@ -5053,6 +5032,102 @@ class basic_json
return *this;
}
/*!
@brief add an object to an array
Creates a JSON value from the passed parameters @a args to the end of the
JSON value. If the function is called on a JSON null value, an empty array
is created before appending the value created from @a args.
@param[in] args arguments to forward to a constructor of @ref basic_json
@tparam Args compatible types to create a @ref basic_json object
@throw std::domain_error when called on a type other than JSON array or
null; example: `"cannot use emplace_back() with number"`
@complexity Amortized constant.
@liveexample{The example shows how `push_back()` can be used to add
elements to a JSON array. Note how the `null` value was silently converted
to a JSON array.,emplace_back}
@since version 2.0.8
*/
template<class... Args>
void emplace_back(Args&& ... args)
{
// emplace_back only works for null objects or arrays
if (not(is_null() or is_array()))
{
throw std::domain_error("cannot use emplace_back() with " + type_name());
}
// transform null object into an array
if (is_null())
{
m_type = value_t::array;
m_value = value_t::array;
assert_invariant();
}
// add element to array (perfect forwarding)
m_value.array->emplace_back(std::forward<Args>(args)...);
}
/*!
@brief add an object to an object if key does not exist
Inserts a new element into a JSON object constructed in-place with the given
@a args if there is no element with the key in the container. If the
function is called on a JSON null value, an empty object is created before
appending the value created from @a args.
@param[in] args arguments to forward to a constructor of @ref basic_json
@tparam Args compatible types to create a @ref basic_json object
@return a pair consisting of an iterator to the inserted element, or the
already-existing element if no insertion happened, and a bool
denoting whether the insertion took place.
@throw std::domain_error when called on a type other than JSON object or
null; example: `"cannot use emplace() with number"`
@complexity Logarithmic in the size of the container, O(log(`size()`)).
@liveexample{The example shows how `emplace()` can be used to add elements
to a JSON object. Note how the `null` value was silently converted to a
JSON object. Further note how no value is added if there was already one
value stored with the same key.,emplace}
@since version 2.0.8
*/
template<class... Args>
std::pair<iterator, bool> emplace(Args&& ... args)
{
// emplace only works for null objects or arrays
if (not(is_null() or is_object()))
{
throw std::domain_error("cannot use emplace() with " + type_name());
}
// transform null object into an object
if (is_null())
{
m_type = value_t::object;
m_value = value_t::object;
assert_invariant();
}
// add element to array (perfect forwarding)
auto res = m_value.object->emplace(std::forward<Args>(args)...);
// create result iterator and set iterator to the result of emplace
auto it = begin();
it.m_it.object_iterator = res.first;
// return pair of iterator and boolean
return {it, res.second};
}
/*!
@brief inserts element
@ -5829,7 +5904,7 @@ class basic_json
o.width(0);
// fix locale problems
const auto old_locale = o.imbue(std::locale(std::locale(), new DecimalSeparator));
const auto old_locale = o.imbue(std::locale::classic());
// set precision
// 6, 15 or 16 digits of precision allows round-trip IEEE 754
@ -7618,6 +7693,12 @@ class basic_json
explicit lexer(std::istream& s)
: m_stream(&s), m_line_buffer()
{
// immediately abort if stream is erroneous
if (s.fail())
{
throw std::invalid_argument("stream error: " + std::string(strerror(errno)));
}
// fill buffer
fill_line_buffer();
@ -7889,8 +7970,22 @@ class basic_json
*/
void fill_line_buffer(size_t n = 0)
{
// if line buffer is used, m_content points to its data
assert(m_line_buffer.empty()
or m_content == reinterpret_cast<const lexer_char_t*>(m_line_buffer.data()));
// if line buffer is used, m_limit is set past the end of its data
assert(m_line_buffer.empty()
or m_limit == m_content + m_line_buffer.size());
// pointer relationships
assert(m_content <= m_start);
assert(m_start <= m_cursor);
assert(m_cursor <= m_limit);
assert(m_marker == nullptr or m_marker <= m_limit);
// number of processed characters (p)
const auto offset_start = m_start - m_content;
const size_t num_processed_chars = static_cast<size_t>(m_start - m_content);
// offset for m_marker wrt. to m_start
const auto offset_marker = (m_marker == nullptr) ? 0 : m_marker - m_start;
// number of unprocessed characters (u)
@ -7899,35 +7994,34 @@ class basic_json
// no stream is used or end of file is reached
if (m_stream == nullptr or m_stream->eof())
{
// skip this part if we are already using the line buffer
if (m_start != reinterpret_cast<const lexer_char_t*>(m_line_buffer.data()))
{
// copy unprocessed characters to line buffer
m_line_buffer.clear();
for (m_cursor = m_start; m_cursor != m_limit; ++m_cursor)
{
m_line_buffer.append(1, static_cast<const char>(*m_cursor));
}
}
// m_start may or may not be pointing into m_line_buffer at
// this point. We trust the standand library to do the right
// thing. See http://stackoverflow.com/q/28142011/266378
m_line_buffer.assign(m_start, m_limit);
// append n characters to make sure that there is sufficient
// space between m_cursor and m_limit
m_line_buffer.append(1, '\x00');
if (n > 0)
{
m_line_buffer.append(n - 1, '\x01');
}
}
else
{
// delete processed characters from line buffer
m_line_buffer.erase(0, static_cast<size_t>(offset_start));
m_line_buffer.erase(0, num_processed_chars);
// read next line from input stream
std::string line;
std::getline(*m_stream, line, '\n');
m_line_buffer_tmp.clear();
std::getline(*m_stream, m_line_buffer_tmp, '\n');
// add line with newline symbol to the line buffer
m_line_buffer += line + "\n";
m_line_buffer += m_line_buffer_tmp;
m_line_buffer.push_back('\n');
}
// set pointers
m_content = reinterpret_cast<const lexer_char_t*>(m_line_buffer.c_str());
m_content = reinterpret_cast<const lexer_char_t*>(m_line_buffer.data());
assert(m_content != nullptr);
m_start = m_content;
m_marker = m_start + offset_marker;
@ -8010,9 +8104,20 @@ class basic_json
// iterate the result between the quotes
for (const lexer_char_t* i = m_start + 1; i < m_cursor - 1; ++i)
{
// process escaped characters
if (*i == '\\')
// find next escape character
auto e = std::find(i, m_cursor - 1, '\\');
if (e != i)
{
// see https://github.com/nlohmann/json/issues/365#issuecomment-262874705
for (auto k = i; k < e; k++)
{
result.push_back(static_cast<typename string_t::value_type>(*k));
}
i = e - 1; // -1 because of ++i
}
else
{
// processing escaped character
// read next character
++i;
@ -8099,12 +8204,6 @@ class basic_json
}
}
}
else
{
// all other characters are just copied to the end of the
// string
result.append(1, static_cast<typename string_t::value_type>(*i));
}
}
return result;
@ -8288,6 +8387,8 @@ class basic_json
std::istream* m_stream = nullptr;
/// line buffer buffer for m_stream
string_t m_line_buffer {};
/// used for filling m_line_buffer
string_t m_line_buffer_tmp {};
/// the buffer pointer
const lexer_char_t* m_content = nullptr;
/// pointer to the beginning of the current symbol

44
test/src/catch.hpp
View file

@ -1,6 +1,6 @@
/*
* Catch v1.5.6
* Generated: 2016-06-09 19:20:41.460328
* Catch v1.5.8
* Generated: 2016-10-26 12:07:30.938259
* ----------------------------------------------------------
* This file has been merged from multiple headers. Please don't edit it directly
* Copyright (c) 2012 Two Blue Cubes Ltd. All rights reserved.
@ -3223,9 +3223,10 @@ namespace Catch {
bool matches( TestCaseInfo const& testCase ) const {
// All patterns in a filter must match for the filter to be a match
for( std::vector<Ptr<Pattern> >::const_iterator it = m_patterns.begin(), itEnd = m_patterns.end(); it != itEnd; ++it )
for( std::vector<Ptr<Pattern> >::const_iterator it = m_patterns.begin(), itEnd = m_patterns.end(); it != itEnd; ++it ) {
if( !(*it)->matches( testCase ) )
return false;
}
return true;
}
};
@ -4719,8 +4720,11 @@ namespace Catch {
std::string line;
while( std::getline( f, line ) ) {
line = trim(line);
if( !line.empty() && !startsWith( line, "#" ) )
addTestOrTags( config, "\"" + line + "\"," );
if( !line.empty() && !startsWith( line, "#" ) ) {
if( !startsWith( line, "\"" ) )
line = "\"" + line + "\"";
addTestOrTags( config, line + "," );
}
}
}
@ -5368,6 +5372,9 @@ namespace Catch {
++it ) {
matchedTests++;
TestCaseInfo const& testCaseInfo = it->getTestCaseInfo();
if( startsWith( testCaseInfo.name, "#" ) )
Catch::cout() << "\"" << testCaseInfo.name << "\"" << std::endl;
else
Catch::cout() << testCaseInfo.name << std::endl;
}
return matchedTests;
@ -6454,7 +6461,7 @@ namespace Catch {
namespace Catch {
struct RandomNumberGenerator {
typedef int result_type;
typedef std::ptrdiff_t result_type;
result_type operator()( result_type n ) const { return std::rand() % n; }
@ -7571,7 +7578,7 @@ namespace Catch {
return os;
}
Version libraryVersion( 1, 5, 6, "", 0 );
Version libraryVersion( 1, 5, 8, "", 0 );
}
@ -7802,8 +7809,11 @@ namespace Catch {
bool contains( std::string const& s, std::string const& infix ) {
return s.find( infix ) != std::string::npos;
}
char toLowerCh(char c) {
return static_cast<char>( ::tolower( c ) );
}
void toLowerInPlace( std::string& s ) {
std::transform( s.begin(), s.end(), s.begin(), ::tolower );
std::transform( s.begin(), s.end(), s.begin(), toLowerCh );
}
std::string toLower( std::string const& s ) {
std::string lc = s;
@ -8951,9 +8961,10 @@ namespace Catch {
break;
default:
// Escape control chars - based on contribution by @espenalb in PR #465
// Escape control chars - based on contribution by @espenalb in PR #465 and
// by @mrpi PR #588
if ( ( c < '\x09' ) || ( c > '\x0D' && c < '\x20') || c=='\x7F' )
os << "&#x" << std::uppercase << std::hex << static_cast<int>( c );
os << "&#x" << std::uppercase << std::hex << std::setfill('0') << std::setw(2) << static_cast<int>( c ) << ';';
else
os << c;
}
@ -9008,13 +9019,20 @@ namespace Catch {
: m_tagIsOpen( false ),
m_needsNewline( false ),
m_os( &Catch::cout() )
{}
{
// We encode control characters, which requires
// XML 1.1
// see http://stackoverflow.com/questions/404107/why-are-control-characters-illegal-in-xml-1-0
*m_os << "<?xml version=\"1.1\" encoding=\"UTF-8\"?>\n";
}
XmlWriter( std::ostream& os )
: m_tagIsOpen( false ),
m_needsNewline( false ),
m_os( &os )
{}
{
*m_os << "<?xml version=\"1.1\" encoding=\"UTF-8\"?>\n";
}
~XmlWriter() {
while( !m_tags.empty() )
@ -9181,7 +9199,7 @@ namespace Catch {
virtual void testCaseStarting( TestCaseInfo const& testInfo ) CATCH_OVERRIDE {
StreamingReporterBase::testCaseStarting(testInfo);
m_xml.startElement( "TestCase" ).writeAttribute( "name", trim( testInfo.name ) );
m_xml.startElement( "TestCase" ).writeAttribute( "name", testInfo.name );
if ( m_config->showDurations() == ShowDurations::Always )
m_testCaseTimer.start();

2
test/src/fuzz.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (fuzz test support)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Run "make fuzz_testing" and follow the instructions.

2
test/src/unit-algorithms.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-allocator.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-capacity.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-class_const_iterator.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-class_iterator.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-class_lexer.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-class_parser.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-comparison.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-concepts.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-constructor1.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-constructor2.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-convenience.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-conversions.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-deserialization.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-element_access1.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-element_access2.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-inspection.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-iterator_wrapper.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-iterators1.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-iterators2.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-json_patch.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-json_pointer.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

99
test/src/unit-modifiers.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
@ -258,6 +258,103 @@ TEST_CASE("modifiers")
}
}
SECTION("emplace_back()")
{
SECTION("to array")
{
SECTION("null")
{
json j;
j.emplace_back(1);
j.emplace_back(2);
CHECK(j.type() == json::value_t::array);
CHECK(j == json({1, 2}));
}
SECTION("array")
{
json j = {1, 2, 3};
j.emplace_back("Hello");
CHECK(j.type() == json::value_t::array);
CHECK(j == json({1, 2, 3, "Hello"}));
}
SECTION("multiple values")
{
json j;
j.emplace_back(3, "foo");
CHECK(j.type() == json::value_t::array);
CHECK(j == json({{"foo", "foo", "foo"}}));
}
}
SECTION("other type")
{
json j = 1;
CHECK_THROWS_AS(j.emplace_back("Hello"), std::domain_error);
CHECK_THROWS_WITH(j.emplace_back("Hello"), "cannot use emplace_back() with number");
}
}
SECTION("emplace()")
{
SECTION("to object")
{
SECTION("null")
{
// start with a null value
json j;
// add a new key
auto res1 = j.emplace("foo", "bar");
CHECK(res1.second == true);
CHECK(*res1.first == "bar");
// the null value is changed to an object
CHECK(j.type() == json::value_t::object);
// add a new key
auto res2 = j.emplace("baz", "bam");
CHECK(res2.second == true);
CHECK(*res2.first == "bam");
// we try to insert at given key - no change
auto res3 = j.emplace("baz", "bad");
CHECK(res3.second == false);
CHECK(*res3.first == "bam");
// the final object
CHECK(j == json({{"baz", "bam"}, {"foo", "bar"}}));
}
SECTION("object")
{
// start with an object
json j = {{"foo", "bar"}};
// add a new key
auto res1 = j.emplace("baz", "bam");
CHECK(res1.second == true);
CHECK(*res1.first == "bam");
// add an existing key
auto res2 = j.emplace("foo", "bad");
CHECK(res2.second == false);
CHECK(*res2.first == "bar");
// check final object
CHECK(j == json({{"baz", "bam"}, {"foo", "bar"}}));
}
}
SECTION("other type")
{
json j = 1;
CHECK_THROWS_AS(j.emplace("foo", "bar"), std::domain_error);
CHECK_THROWS_WITH(j.emplace("foo", "bar"), "cannot use emplace() with number");
}
}
SECTION("operator+=")
{
SECTION("to array")

2
test/src/unit-pointer_access.cpp
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@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-readme.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-reference_access.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

23
test/src/unit-regression.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.
@ -495,4 +495,25 @@ TEST_CASE("regression tests")
json j = json::parse("22e2222");
CHECK(j == json());
}
SECTION("issue #366 - json::parse on failed stream gets stuck")
{
std::ifstream f("file_not_found.json");
CHECK_THROWS_AS(json::parse(f), std::invalid_argument);
}
SECTION("issue #367 - calling stream at EOF")
{
std::stringstream ss;
json j;
ss << "123";
CHECK_NOTHROW(j << ss);
// see https://github.com/nlohmann/json/issues/367#issuecomment-262841893:
// ss is not at EOF; this yielded an error before the fix
// (threw basic_string::append). No, it should just throw
// a parse error because of the EOF.
CHECK_THROWS_AS(j << ss, std::invalid_argument);
CHECK_THROWS_WITH(j << ss, "parse error - unexpected end of input");
}
}

2
test/src/unit-serialization.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-testsuites.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit-unicode.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.

2
test/src/unit.cpp
View file

@ -1,7 +1,7 @@
/*
__ _____ _____ _____
__| | __| | | | JSON for Modern C++ (test suite)
| | |__ | | | | | | version 2.0.7
| | |__ | | | | | | version 2.0.8
|_____|_____|_____|_|___| https://github.com/nlohmann/json
Licensed under the MIT License <http://opensource.org/licenses/MIT>.