Added pugixml as subtree and updated .gitignore files

.gitignore

@@ -30,6 +30,9 @@ CMakeFiles
 cmake_install.cmake
 Makefile
 
+# TODO
+TODO.md
+
 # Eclipse
 .cproject
 .project

external/pugixml/.gitignore

@@ -1,2 +1,11 @@
+# CMake
+Makefile
+CTestTestfile.cmake
+DartConfiguration.tcl
+pugixml-config-version.cmake
+pugixml-config.cmake
+pugixml-targets.cmake
+pugixml.pc
+
 /build/
 /.vscode/

external/pugixml/Makefile

@@ -1,99 +0,0 @@
-.SUFFIXES:
-MAKEFLAGS+=-r
-
-config=debug
-defines=standard
-cxxstd=c++11
-# set cxxstd=any to disable use of -std=...
-
-BUILD=build/make-$(CXX)-$(config)-$(defines)-$(cxxstd)
-
-SOURCES=src/pugixml.cpp $(filter-out tests/fuzz_%,$(wildcard tests/*.cpp))
-EXECUTABLE=$(BUILD)/test
-
-VERSION=$(shell sed -n 's/.*version \(.*\).*/\1/p' src/pugiconfig.hpp)
-RELEASE=$(filter-out scripts/archive.py docs/%.adoc,$(shell git ls-files docs scripts src CMakeLists.txt LICENSE.md readme.txt))
-
-CXXFLAGS=-g -Wall -Wextra -Werror -pedantic -Wundef -Wshadow -Wcast-align -Wcast-qual -Wold-style-cast -Wdouble-promotion
-LDFLAGS=
-
-ifeq ($(config),release)
-	CXXFLAGS+=-O3 -DNDEBUG
-endif
-
-ifeq ($(config),coverage)
-	CXXFLAGS+=-coverage
-	LDFLAGS+=-coverage
-endif
-
-ifeq ($(config),sanitize)
-	CXXFLAGS+=-fsanitize=address,undefined -fno-sanitize=float-divide-by-zero,float-cast-overflow -fno-sanitize-recover=all
-	LDFLAGS+=-fsanitize=address,undefined
-endif
-
-ifeq ($(config),analyze)
-	CXXFLAGS+=--analyze
-endif
-
-ifneq ($(defines),standard)
-	COMMA=,
-	CXXFLAGS+=-D $(subst $(COMMA), -D ,$(defines))
-endif
-
-ifneq ($(findstring PUGIXML_NO_EXCEPTIONS,$(defines)),)
-	CXXFLAGS+=-fno-exceptions
-endif
-
-ifneq ($(cxxstd),any)
-	CXXFLAGS+=-std=$(cxxstd)
-endif
-
-OBJECTS=$(SOURCES:%=$(BUILD)/%.o)
-
-all: $(EXECUTABLE)
-
-ifeq ($(config),coverage)
-test: $(EXECUTABLE)
-	-@find $(BUILD) -name '*.gcda' -exec rm {} +
-	./$(EXECUTABLE)
-	@gcov -b -o $(BUILD)/src/ pugixml.cpp.gcda | sed -e '/./{H;$!d;}' -e 'x;/pugixml.cpp/!d;'
-	@find . -name '*.gcov' -and -not -name 'pugixml.cpp.gcov' -exec rm {} +
-	@sed -i -e "s/#####\(.*\)\(\/\/ unreachable.*\)/    1\1\2/" pugixml.cpp.gcov
-else
-test: $(EXECUTABLE)
-	./$(EXECUTABLE)
-endif
-
-fuzz_%: $(BUILD)/fuzz_%
-	@mkdir -p build/$@
-	$< build/$@ tests/data_fuzz_$* -max_len=1024 -dict=tests/fuzz_$*.dict
-
-clean:
-	rm -rf $(BUILD)
-
-release: build/pugixml-$(VERSION).tar.gz build/pugixml-$(VERSION).zip
-
-docs: docs/quickstart.html docs/manual.html
-
-build/pugixml-%: .FORCE | $(RELEASE)
-	@mkdir -p $(BUILD)
-	TIMESTAMP=`git show v$(VERSION) -s --format=%ct` && python scripts/archive.py $@ pugixml-$(VERSION) $$TIMESTAMP $|
-
-$(EXECUTABLE): $(OBJECTS)
-	$(CXX) $(OBJECTS) $(LDFLAGS) -o $@
-
-$(BUILD)/fuzz_%: tests/fuzz_%.cpp src/pugixml.cpp
-	@mkdir -p $(BUILD)
-	$(CXX) $(CXXFLAGS) -fsanitize=address,fuzzer $^ -o $@
-
-$(BUILD)/%.o: %
-	@mkdir -p $(dir $@)
-	$(CXX) $< $(CXXFLAGS) -c -MMD -MP -o $@
-
--include $(OBJECTS:.o=.d)
-
-.SECONDEXPANSION:
-docs/%.html: docs/%.adoc $$(shell sed -n 's/include\:\:\(.*\)\[.*/docs\/\1/p' docs/%.adoc)
-	asciidoctor -b html5 -a version=$(VERSION) $< -o $@
-
-.PHONY: all test clean release .FORCE