Makefile.plantuml

# -*- mode: makefile; -*-

# Image extension (png, forced by plant uml)
IMG_EXT = png

# Image extension (uml, can be changed)
UML_EXT ?= uml

# List of UML files (dependencies)
UML_FILES ?= $(wildcard *.$(UML_EXT))

# List of image files (targets)
IMG_FILES = $(patsubst %.$(UML_EXT),%.$(IMG_EXT),$(UML_FILES))

# All existing image files
EXISTING_IMG_FILES = $(wildcard *.$(IMG_EXT))

# Obsolete existing image files (to be clean)
OBSOLETE_IMG_FILES = $(filter-out $(IMG_FILES),$(EXISTING_IMG_FILES))

# Default rule
plant-all: $(IMG_FILES)

# Rule to create an image target file from a UML dependency
%.$(IMG_EXT): %.$(UML_EXT) plantuml.jar
	java -jar plantuml.jar $<

# Rule to download PlantUML jar file
plantuml.jar:
	wget -O $@ https://github.com/plantuml/plantuml/releases/download/v1.2023.10/plantuml-1.2023.10.jar

# Rule to download PlantUML documentation file
PlantUML_Language_Reference_Guide_en.pdf:
	wget http://pdf.plantuml.net/PlantUML_Language_Reference_Guide_en.pdf


# Rule to clean obsolete files
plant-clean:
	if [ -n "$(OBSOLETE_IMG_FILES)" ]; then rm $(OBSOLETE_IMG_FILES); fi

# Rule to clean up
plant-veryclean: plant-clean
	rm -f plantuml.jar PlantUML_Language_Reference_Guide.pdf

# Targets that are not really files
.PHONY: plant-all plant-clean plant-veryclean