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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20
CMakeLists.txt
View File

@ -2,20 +2,23 @@ project(json-schema-validator CXX)
cmake_minimum_required(VERSION 3.2) 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 nlohmann's json.hpp
find_path(NLOHMANN_JSON_DIR find_path(NLOHMANN_JSON_DIR
NAMES NAMES
json.hpp) json.hpp)
if(NOT NLOHMANN_JSON_DIR) 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.") message(FATAL_ERROR "please set NLOHMANN_JSON_DIR to a path in which NLohmann's json.hpp can be found.")
endif() endif()
# create an interface-library for simple linking # create an interface-library for simple cmake-linking
add_library(json INTERFACE) add_library(json-hpp INTERFACE)
target_include_directories(json target_include_directories(json-hpp
INTERFACE INTERFACE
${NLOHMANN_JSON_DIR}) ${NLOHMANN_JSON_DIR})
endif()
# and one for the validator # and one for the validator
add_library(json-schema-validator INTERFACE) add_library(json-schema-validator INTERFACE)
@ -27,7 +30,7 @@ target_compile_options(json-schema-validator
-Wall -Wextra) # bad, better use something else based on compiler type -Wall -Wextra) # bad, better use something else based on compiler type
target_link_libraries(json-schema-validator target_link_libraries(json-schema-validator
INTERFACE INTERFACE
json) json-hpp)
install( install(
FILES FILES
@ -44,6 +47,7 @@ target_link_libraries(json-schema-validate json-schema-validator)
add_executable(json-schema-test app/json-schema-test.cpp) add_executable(json-schema-test app/json-schema-test.cpp)
target_link_libraries(json-schema-test json-schema-validator) target_link_libraries(json-schema-test json-schema-validator)
# test-zone
enable_testing() enable_testing()
# find schema-test-suite # find schema-test-suite
@ -63,7 +67,7 @@ if(JSON_SCHEMA_TEST_SUITE_PATH)
) )
endforeach() endforeach()
else() 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() 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. library, hence the name.
The name is for the moment purely marketing, because there is, IMHO, not much 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 External documentation is missing as well. However the API of the validator
will be rather simple. will be rather simple.
@ -23,6 +23,8 @@ will be rather simple.
## Build ## Build
Directly
```Bash ```Bash
git clone https://github.com/pboettch/json-schema-validator.git git clone https://github.com/pboettch/json-schema-validator.git
cd json-schema-validator cd json-schema-validator
@ -32,6 +34,20 @@ cmake .. \
-DNLOHMANN_JSON_DIR=<path/to/json.hpp> \ -DNLOHMANN_JSON_DIR=<path/to/json.hpp> \
-DJSON_SCHEMA_TEST_SUITE_PATH=<path/to/JSON-Schema-test-suite> # optional -DJSON_SCHEMA_TEST_SUITE_PATH=<path/to/JSON-Schema-test-suite> # optional
make # install 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 ## Code