luo980/json-schema-validator
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cmake: allow this project to be used as a cmake-subdirectory

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Needs to have a json-hpp-target-available.
This commit is contained in:
Patrick Boettcher 2016-12-23 09:52:17 +01:00
parent 94b7e44dfa
commit e0a69cff39
2 changed files with 34 additions and 14 deletions
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30
CMakeLists.txt
View File

@ -2,21 +2,24 @@ project(json-schema-validator CXX)
cmake_minimum_required(VERSION 3.2)
# if used as a subdirectory just define a json-hpp-target (INTERFACE)
if(NOT TARGET json-hpp)
# find nlohmann's json.hpp
find_path(NLOHMANN_JSON_DIR
NAMES
json.hpp)
find_path(NLOHMANN_JSON_DIR
NAMES
json.hpp)
if(NOT NLOHMANN_JSON_DIR)
message(FATAL_ERROR "please set NLOHMANN_JSON_DIR to a path in which NLohmann's json.hpp can be found.")
if(NOT NLOHMANN_JSON_DIR)
message(FATAL_ERROR "please set NLOHMANN_JSON_DIR to a path in which NLohmann's json.hpp can be found.")
endif()
# create an interface-library for simple cmake-linking
add_library(json-hpp INTERFACE)
target_include_directories(json-hpp
INTERFACE
${NLOHMANN_JSON_DIR})
endif()
# create an interface-library for simple linking
add_library(json INTERFACE)
target_include_directories(json
INTERFACE
${NLOHMANN_JSON_DIR})
# and one for the validator
add_library(json-schema-validator INTERFACE)
target_include_directories(json-schema-validator
@ -27,7 +30,7 @@ target_compile_options(json-schema-validator
-Wall -Wextra) # bad, better use something else based on compiler type
target_link_libraries(json-schema-validator
INTERFACE
json)
json-hpp)
install(
FILES
@ -44,6 +47,7 @@ target_link_libraries(json-schema-validate json-schema-validator)
add_executable(json-schema-test app/json-schema-test.cpp)
target_link_libraries(json-schema-test json-schema-validator)
# test-zone
enable_testing()
# find schema-test-suite
@ -63,7 +67,7 @@ if(JSON_SCHEMA_TEST_SUITE_PATH)
)
endforeach()
else()
message(STATUS "Please test JSON_SCHEMA_TEST_SUITE_PATH to a path in which you've cloned JSON-Schema-Test-Suite (github.com/json-schema-org/JSON-Schema-Test-Suite).")
message(STATUS "Consider setting JSON_SCHEMA_TEST_SUITE_PATH to a path in which JSON-Schema-Test-Suite is located (github.com/json-schema-org/JSON-Schema-Test-Suite).")
endif()

18
README.md
View File

@ -14,7 +14,7 @@ C++](https://github.com/nlohmann/json). This validator is based on this
library, hence the name.
The name is for the moment purely marketing, because there is, IMHO, not much
modern C++ inside.
modern C++ inside. But I think the whole thing could be rewritten mode "modern".
External documentation is missing as well. However the API of the validator
will be rather simple.
@ -23,6 +23,8 @@ will be rather simple.
## Build
Directly
```Bash
git clone https://github.com/pboettch/json-schema-validator.git
cd json-schema-validator
@ -32,6 +34,20 @@ cmake .. \
-DNLOHMANN_JSON_DIR=<path/to/json.hpp> \
-DJSON_SCHEMA_TEST_SUITE_PATH=<path/to/JSON-Schema-test-suite> # optional
make # install
ctest # if test-suite has been given
```
or from another CMakeLists.txt as a subdirectory:
```CMake
# create an interface-target called json-hpp
add_library(json-hpp INTERFACE)
target_include_directories(json-hpp
INTERFACE
path/to/json.hpp)
set(JSON_SCHEMA_TEST_SUITE_PATH "path/to/json-schema-test-suite")
enable_testing() # if you want to inherit tests
add_subdirectory(path-to-this-project json-schema-validator)
```
## Code