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# Copyright (c) 2021 Comcast Cable Communications Management, LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Build the documentation
#
# Default target
.PHONY: all
all: siphon
# These should be passed in by the root Makefile
WS_ROOT ?= $(CURDIR)/../..
BR ?= $(WS_ROOT)/build-root
# Tag used in github repository path.
# Change this when genearting for a release
VPP_TAG ?= master
REPOSITORY_URL ?= https://github.com/FDio/vpp/blob/$(VPP_TAG)/
# Doxygen configuration and our utility scripts
SCRIPTS_DIR ?= $(WS_ROOT)/docs/_scripts
# docs root directory
DOCS_DIR ?= ${BR}/docs/src
FEATURE_LIST_FILE = ${DOCS_DIR}/aboutvpp/featurelist.md
# Siphoned fragements are processed into here
DOCS_GENERATED_DIR ?= $(DOCS_DIR)/_generated
# Siphoned fragments end up in here
SIPHON_INPUT_DIR ?= $(DOCS_GENERATED_DIR)/fragments
DYNAMIC_RENDER_DIR ?= ${DOCS_GENERATED_DIR}/includes
# Primary source directories
SIPHON_SRC ?= $(WS_ROOT)/src
SIPHON_SRC_DIRECTORIES = \
$(shell find $(SIPHON_SRC) -name '*.md' -print | xargs dirname \
| sort | uniq) \
$(SIPHON_SRC)/vppinfra \
$(SIPHON_SRC)/svm \
$(SIPHON_SRC)/vlib \
$(SIPHON_SRC)/vlibapi \
$(SIPHON_SRC)/vlibmemory \
$(SIPHON_SRC)/vnet \
$(SIPHON_SRC)/vpp \
$(SIPHON_SRC)/vpp-api \
$(SIPHON_SRC)/examples
# Input directories and files
SIPHON_INPUT ?= \
$(wildcard $(WS_ROOT)/*.md) \
$(wildcard $(SCRIPTS_DIR)/*.md) \
$(SIPHON_SRC_DIRECTORIES) \
$(SIPHON_SRC)/plugins \
extras
# Strip leading workspace path from input names
SIPHON_INPUT := $(subst $(WS_ROOT)/,,$(SIPHON_INPUT))
# Files to exclude, from pre-Doxygen steps, eg because they're
# selectively compiled.
# Examples would be to exclude non-DPDK related sources when
# there's a DPDK equivalent that conflicts.
# These must be left-anchored paths for the regexp below to work.
SIPHON_EXCLUDE ?= \
$(SIPHON_SRC)/vpp-api/lua
# Generate a regexp for filenames to exclude
SIPHON_EXCLUDE_REGEXP = ($(subst .,\.,$(shell echo '$(strip $(SIPHON_EXCLUDE))' | sed -e 's/ /|/g')))
# Include all the normal source directories in the include file path
SIPHON_INCLUDE_PATH = $(SIPHON_SRC_DIRECTORIES)
# Find API header directories and include them in the header path.
# This is only useful if VPP and plugins are already built; nothing
# here depends on those targets. We don't build documentation for these
# header files, they're just added to the INCLUDE search path for Doxygen.
_vpp_br = $(shell find "$(BR)" -maxdepth 1 -type d \
'(' -name build-vpp_debug-native -o -name build-vpp-native ')' -print \
| sed -e 's@^$(WS_ROOT)/*@@' -e 1q)
ifneq ($(strip $(_vpp_br)),)
SIPHON_INCLUDE_PATH += \
$(_vpp_br)/vlib-api \
$(_vpp_br)/vpp
# Also include any plugin directories that exist
SIPHON_INCLUDE_PATH += \
$(shell find $(WS_ROOT)/$(_vpp_br)/plugins -maxdepth 1 -type d | sed -e 's@^$(WS_ROOT)/*@@')
endif
# Discover if we have CPP available
_cpp = $(shell which cpp)
ifneq ($(strip $(_cpp)),)
# Add whatever directories CPP normally includes to the header path
SIPHON_INCLUDE_PATH += $(shell set -e; $(_cpp) -v </dev/null 2>&1 | awk 'f&&/^ /{print $$1} /^\#include/{f=1}')
endif
# All the siphon types we know about
SIPHONS ?= clicmd syscfg
SIPHON_FILES = $(addprefix $(SIPHON_INPUT_DIR)/,$(addsuffix .siphon,$(SIPHONS)))
SIPHON_DOCS = $(addprefix $(DOCS_GENERATED_DIR)/,$(addsuffix .rst,$(SIPHONS)))
BUILT_ON = $(shell date '+%d %B %Y')
VPP_VERSION = $(shell ${WS_ROOT}/src/scripts/version)
.PHONY: featurelist
featurelist:
@( \
cd $(WS_ROOT) && \
find . -name FEATURE.yaml | \
./src/scripts/fts.py \
--markdown \
--repolink $(REPOSITORY_URL) > \
$(FEATURE_LIST_FILE) ; \
)
.PHONY: includes-render
includes-render:
@mkdir -p "$(DYNAMIC_RENDER_DIR)"
@python3 $(SCRIPTS_DIR)/includes_renderer.py ${WS_ROOT} ${DYNAMIC_RENDER_DIR}
.PHONY: template-index
template-index:
@sed -ie "s/__VPP_VERSION__/${VPP_VERSION}/g" ${DOCS_DIR}/index.rst
@sed -ie "s/__BUILT_ON__/${BUILT_ON}/g" ${DOCS_DIR}/index.rst
.NOTPARALLEL: $(SIPHON_FILES)
$(SIPHON_FILES): $(SCRIPTS_DIR)/siphon-generate \
$(addprefix,$(WSROOT),$(SIPHON_INPUT)) \
$(wildcard $(SCRIPTS_DIR)/siphon/*.py)
@echo "Validating source tree..."
@set -e; for input in $(SIPHON_INPUT); do \
if [ ! -e "$(WS_ROOT)/$$input" ]; then \
echo "ERROR: Input path '$$input' does not exist." >&2; \
exit 1; \
fi; \
done
@rm -rf "$(SIPHON_INPUT_DIR)" "$(DOCS_GENERATED_DIR)"
@mkdir -p "$(SIPHON_INPUT_DIR)" "$(DOCS_GENERATED_DIR)"
@touch $(SIPHON_INPUT_DIR)/files
@echo "Collating source file list for siphoning..."
@for input in $(SIPHON_INPUT); do \
cd "$(WS_ROOT)"; \
find "$$input" -type f \
\( -name '*.[ch]' -or -name '*.dox' \) -print \
| grep -v -E '^src/examples/' \
| grep -v -E '^$(SIPHON_EXCLUDE_REGEXP)' \
>> $(SIPHON_INPUT_DIR)/files; \
done
@echo "Generating siphons..."
@set -e; \
cd "$(WS_ROOT)"; \
$(SCRIPTS_DIR)/siphon-generate \
--output="$(SIPHON_INPUT_DIR)" \
"@$(SIPHON_INPUT_DIR)/files"
# Evaluate this to build a siphon doc output target for each desired
# output type:
# $(eval $(call siphon-process,file_extension,output_type_name))
define siphon-process
$(DOCS_GENERATED_DIR)/%.$(1): $(SIPHON_INPUT_DIR)/%.siphon \
$(SCRIPTS_DIR)/siphon-process \
$(wildcard $(SCRIPTS_DIR)/siphon/*.py) \
$(wildcard $(SCRIPTS_DIR)/siphon_templates/$(2)/*/*.$(1))
@echo "Processing siphon for $(2) from $$(notdir $$<)..."
@set -e; \
cd "$(WS_ROOT)"; \
mkdir -p $(DOCS_GENERATED_DIR)/$$(basename $$(notdir $$<)).$(1).dir; \
$(SCRIPTS_DIR)/siphon-process \
--type=$$(basename $$(notdir $$<)) \
--format=$(2) \
--repolink=$(REPOSITORY_URL)/ \
--outdir=$(DOCS_GENERATED_DIR)/$$(basename $$(notdir $$<)).$(1).dir \
--output="$$@" \
"$$<"
endef
# Process the .siphon source fragments and render them into siphon flavored
# markdown documentation
.DELETE_ON_ERROR: $(SIPHON_DOCS)
$(eval $(call siphon-process,rst,markdown))
# This target can be used just to generate the siphoned things
.PHONY: siphon
siphon: $(SIPHON_DOCS)
@cp $(DOCS_GENERATED_DIR)/clicmd.rst $(DOCS_DIR)/cli-reference/index.rst
@cp -r $(DOCS_GENERATED_DIR)/clicmd.rst.dir $(DOCS_DIR)/cli-reference/clis
.PHONY: generate
generate: siphon includes-render template-index featurelist
.PHONY: clean
clean:
@rm -rf $(BR)/.siphon.dep
@rm -rf $(SCRIPTS_DIR)/siphon/__pycache__
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