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json/docs/Makefile
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Niels Lohmann 526b6d3fd6 Review and extend the documentation, and check it in CI
A review of all documentation pages found factual errors, dead links,
missing cross-references, and gaps in examples. This fixes them and adds
checks so the same problems are caught automatically.

Fixes:
- wrong signatures and version histories (operator!= C++20 member,
  binary() subtype type, get<PointerType>(), JSON_NO_THREAD_LOCAL, ...)
- stale descriptions (number parsing since #5283, UBJSON table, SAX
  example that no longer compiled, tsl::ordered_map advice)
- dead internal and external links; repology.org badges (the domain is
  suspended) replaced by badges that query the registries directly
- deprecation notes link the migration guide; the guide itself fixed

Additions:
- "See also" sections, cross-references, 25 runnable examples, 12
  Mermaid diagrams, new API pages for json_pointer::operator<=> and
  byte_container_with_subtype::operator==/!=
- landing page, guides for untrusted input and performance
- "unreleased" badge after versions newer than the latest release

Checks:
- strict documentation build (broken links/anchors fail it); CI and
  the publish workflow fetch the full history the build needs
- weekly external link check, Mermaid syntax check in CI
- check_structure.py: example titles, heading levels, alt texts,
  header links, docset index coverage; its unused-example check works
  again
- all examples produce the same output on every platform

Signed-off-by: Niels Lohmann <mail@nlohmann.me>
2026-09-29 17:05:35 +02:00

46 lines
1.6 KiB
Makefile

SRCDIR = ../single_include
all: create_output
##########################################################################
# example files
##########################################################################
# where are the example cpp files
EXAMPLES = $(wildcard mkdocs/docs/examples/*.cpp)
cxx_standard = $(lastword c++11 $(filter c++%, $(subst ., ,$1)))
# create output from a stand-alone example file
%.output: %.cpp
@echo "standard $(call cxx_standard $(<:.cpp=))"
$(MAKE) $(<:.cpp=) \
CPPFLAGS="-I $(SRCDIR) -DJSON_USE_GLOBAL_UDLS=0" \
CXXFLAGS="-std=$(call cxx_standard,$(<:.cpp=)) -Wno-deprecated-declarations"
./$(<:.cpp=) > $@
rm $(<:.cpp=)
# compare created output with current output of the example files
%.test: %.cpp
$(MAKE) $(<:.cpp=) \
CPPFLAGS="-I $(SRCDIR) -DJSON_USE_GLOBAL_UDLS=0" \
CXXFLAGS="-std=$(call cxx_standard,$(<:.cpp=)) -Wno-deprecated-declarations"
./$(<:.cpp=) > $@
diff $@ $(<:.cpp=.output)
rm $(<:.cpp=) $@
# create output from all stand-alone example files
create_output: $(EXAMPLES:.cpp=.output)
# check output of all stand-alone example files
check_output: $(EXAMPLES:.cpp=.test)
# check output of all stand-alone example files (exclude files whose output depends on the platform by nature:
# library and compiler information, container size limits, and hash values)
# This target is used in the CI (ci_test_documentation).
check_output_portable: $(filter-out mkdocs/docs/examples/meta.test mkdocs/docs/examples/max_size.test mkdocs/docs/examples/std_hash.test,$(EXAMPLES:.cpp=.test))
clean:
rm -fr $(EXAMPLES:.cpp=)
$(MAKE) clean -C docset