first commit

Makefile

@@ -0,0 +1,104 @@
+include premake.make
+
+LIBNAME := $(shell basename $$(pwd))
+MAJOR := 1
+MINOR := 0.0
+
+UNAME_S := $(shell uname -s)
+
+ifeq ($(UNAME_S),Darwin)
+	LINKERNAME := $(LIBNAME).dylib
+	SONAME := $(LIBNAME).$(MAJOR).dylib
+	REALNAME := $(LINKERNAME)
+else
+	LINKERNAME := $(LIBNAME).so
+	SONAME := $(LINKERNAME).$(MAJOR)
+	REALNAME := $(SONAME).$(MINOR)
+endif
+STATICLIB := $(LIBNAME).a
+
+BUILDDIR := build/intermediates/
+PREFIX ?= /usr/local
+BINDIR ?= $(PREFIX)/bin
+CONFIGDIR ?= $(PREFIX)/etc
+INCLUDEDIR ?= $(PREFIX)/include
+LIBDIR ?= $(PREFIX)/lib
+DATADIR ?= $(PREFIX)/share
+MANDIR ?= $(DATADIR)/man
+DOCDIR ?= $(DATADIR)/$(LIBNAME)/doc
+
+SRCS := $(notdir $(wildcard src/*.cpp))
+OBJS := $(SRCS:.cpp=.o)
+DEPS := $(SRCS:.cpp=.d)
+HDRS := $(wildcard src/*.hpp)
+
+CXX ?= g++
+
+CXXFLAGS += -Wshadow -Wall -Wpedantic -Wextra -g -fno-strict-aliasing -std=c++17 -fPIC
+ifeq ($(DEBUG),1)
+	CXXFLAGS += -D DEBUG -O0
+	CONFIG := debug
+else
+	CXXFLAGS += -D NDEBUG -O3
+	CONFIG := release
+endif
+OUTDIR := build/$(CONFIG)/
+
+RM := /bin/rm -rf
+INSTALL := /usr/bin/install -c
+
+vpath %.cpp src
+vpath %.d $(BUILDDIR)
+vpath %.o $(BUILDDIR)
+
+.PHONY: all clean install prebuild test
+
+all: prebuild $(OUTDIR)$(REALNAME) $(OUTDIR)$(STATICLIB)
+
+prebuild:
+	@mkdir -p $(BUILDDIR) $(OUTDIR)
+
+$(OUTDIR)$(REALNAME): $(OBJS) $(DEPS)
+ifeq ($(UNAME_S),Darwin)
+	$(CXX) -dynamiclib -o $(OUTDIR)$(REALNAME) -current_version $(MAJOR) -compatibility_version $(MINOR) $(LDFLAGS) $(LDLIBS) $(addprefix $(BUILDDIR),$(OBJS))
+else
+	$(CXX) -g -shared -Wl,-soname,$(SONAME) -o $(OUTDIR)$(REALNAME) $(LDFLAGS) $(LDLIBS) $(addprefix $(BUILDDIR),$(OBJS))
+endif
+
+%.o: %.cpp %.d Makefile
+	$(CXX) $(CXXFLAGS) -MMD -MP -MT $@ -MF $*.d -c $<
+	@mv $@ $*.d $(BUILDDIR)
+
+-include $(BUILDDIR)*.d
+
+%.d: ;
+
+$(OUTDIR)$(STATICLIB): $(OBJS)
+	ar r $(OUTDIR)$(STATICLIB) $(addprefix $(BUILDDIR),$(OBJS))
+
+$(LIBNAME).hpp: $(HDRS)
+	@echo updating build/$(LIBNAME).hpp
+	@cp /dev/null build/$(LIBNAME).hpp
+	@for h in $(HDRS); \
+	do \
+		cat $$h >> build/$(LIBNAME).hpp; \
+	done
+
+test:
+	$(MAKE) -C tests && tests/tests
+
+clean:
+	$(RM) build
+	$(MAKE) -C tests clean
+
+install: $(OUTDIR)$(REALNAME) $(LIBNAME).hpp
+	$(INSTALL) -d $(LIBDIR)
+	$(INSTALL) -m 644 $(OUTDIR)$(REALNAME) $(LIBDIR)
+	$(INSTALL) -d $(INCLUDEDIR)
+	$(INSTALL) -m 644 build/$(LIBNAME).hpp $(INCLUDEDIR)
+ifeq ($(UNAME_S),Darwin)
+	cd $(LIBDIR) && ln -sf $(REALNAME) $(SONAME)
+else
+	ldconfig
+	cd $(LIBDIR) && ln -sf $(SONAME) $(LINKERNAME)
+endif

premake.make

@@ -0,0 +1 @@
+LDLIBS := -lscerror -lm

src/utils.cpp

@@ -0,0 +1,57 @@
+#include "utils.hpp"
+#include <libscerror.hpp>
+#include <cmath>
+#include <iostream>
+#include <iomanip>
+#include <string>
+
+using namespace sc;
+
+term::term() {
+    if (isatty(STDOUT_FILENO)) {
+        throw_if_min1(ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws));
+    }
+}
+
+int term::rows() const {
+    return ws.ws_row;
+}
+
+int term::cols() const {
+    return ws.ws_col;
+}
+
+void term::progress(double cur, double total) const {
+    // use unicode to make nice bar
+    const char* bar[8] = {
+        u8"\u258F", u8"\u258E", u8"\u258D", u8"\u258C",
+        u8"\u258B", u8"\u258A", u8"\u2589", u8"\u2588"
+    };
+    int barwidth = cols() - 5;
+    int maxsteps = barwidth * 8;
+    int steps = round(cur * maxsteps / total);
+    int perc = round(100 * cur / total);
+    std::cerr << '\r' << std::setw(3) << perc << "% ";
+    for (int i = 0; i < steps / 8; ++i) {
+        std::cerr << bar[7];
+    }
+    if (steps % 8) {
+        std::cerr << bar[steps % 8 - 1];
+    }
+}
+
+void term::hide_cursor() const {
+    std::cerr << "\x1b[?25l";
+}
+
+void term::show_cursor() const {
+    std::cerr << "\x1b[?25h";
+}
+
+cursor_hider::cursor_hider() {
+    t.hide_cursor();
+}
+
+cursor_hider::~cursor_hider() {
+    t.show_cursor();
+}

src/utils.hpp

@@ -0,0 +1,35 @@
+#ifndef UTILS_H_
+#define UTILS_H_
+
+#include <unistd.h>
+#include <termios.h>
+#include <sys/ioctl.h>
+
+namespace sc {
+
+    class term {
+        struct winsize ws;
+
+        public:
+            term();
+
+            int rows() const;
+            int cols() const;
+
+            void progress(double cur, double total) const;
+
+            void hide_cursor() const;
+            void show_cursor() const;
+    };
+
+    class cursor_hider {
+        term t;
+
+        public:
+            cursor_hider();
+            ~cursor_hider();
+    };
+
+}
+
+#endif // UTILS_H_

tests/Makefile

@@ -0,0 +1,51 @@
+include ../premake.make
+LDLIBS += -lboost_unit_test_framework
+
+BIN := $(shell basename $$(pwd))
+
+SRCS := $(notdir $(wildcard src/*.cpp))
+SRCS += $(notdir $(filter-out ../src/main.cpp,$(wildcard ../src/*.cpp)))
+OBJS := $(SRCS:.cpp=.o)
+DEPS := $(SRCS:.cpp=.d)
+
+BUILDDIR := build/intermediates/
+
+CXX ?= g++
+RM := /bin/rm -rf
+INSTALL := /usr/bin/install -c
+
+CXXFLAGS += -Wshadow -Wall -Wpedantic -Wextra -g -std=c++17 -I../src
+ifeq ($(DEBUG),1)
+	CXXFLAGS += -D DEBUG -O0
+	CONFIG := debug
+else
+	CXXFLAGS += -D NDEBUG -O3
+	CONFIG := release
+endif
+OUTDIR := build/$(CONFIG)/
+
+vpath %.cpp src ../src
+vpath %.d $(BUILDDIR)
+vpath %.o $(BUILDDIR)
+
+.PHONY: all clean prebuild
+
+all: prebuild $(OUTDIR)$(BIN)
+
+prebuild:
+	@mkdir -p $(BUILDDIR) $(OUTDIR)
+
+$(OUTDIR)$(BIN): $(OBJS) $(DEPS)
+	$(CXX) $(addprefix $(BUILDDIR),$(OBJS)) $(LDFLAGS) $(LDLIBS) -o $(OUTDIR)$(BIN)
+	@ln -sf $(OUTDIR)$(BIN) $(BIN)
+
+%.o: %.cpp %.d
+	$(CXX) $(CXXFLAGS) -MMD -MP -MT $@ -MF $*.d -c $<
+	@mv $@ $*.d $(BUILDDIR)
+
+-include $(BUILDDIR)*.d
+
+%.d: ;
+
+clean:
+	$(RM) build $(BIN)

tests/src/main.cpp

@@ -0,0 +1,8 @@
+#define BOOST_TEST_MODULE My Test
+#define BOOST_TEST_DYN_LINK
+#include <boost/test/unit_test.hpp>
+
+BOOST_AUTO_TEST_CASE(first_test)
+{
+    BOOST_TEST(1 == 1);
+}