first commit

Makefile

@@ -0,0 +1,72 @@
+include premake.make
+
+BIN := $(shell basename $$(pwd))
+
+MANSECTION := 1
+MANPAGE := $(BIN).$(MANSECTION)
+
+SRCS := $(notdir $(wildcard src/*.cpp))
+OBJS := $(SRCS:.cpp=.o)
+DEPS := $(SRCS:.cpp=.d)
+
+BUILDDIR := build/intermediates/
+PREFIX ?= /usr/local
+BINDIR ?= $(PREFIX)/bin
+CONFIGDIR ?= $(PREFIX)/etc
+DATADIR ?= $(PREFIX)/share
+MANDIR ?= $(DATADIR)/man/man
+DOCDIR ?= $(DATADIR)/$(BIN)/doc
+
+CXX ?= g++
+RM := /bin/rm -rf
+INSTALL := /usr/bin/install -c
+
+CXXFLAGS := $(CXXFLAGS) -Wshadow -Wall -Wpedantic -Wextra -g -fno-strict-aliasing -std=c++17 -pthread
+ifeq ($(DEBUG),1)
+	CXXFLAGS += -D DEBUG -O0
+	CONFIG := debug
+else
+	CXXFLAGS += -D NDEBUG -O3
+	CONFIG := release
+endif
+OUTDIR := build/$(CONFIG)/
+
+vpath %.cpp src
+vpath %.d $(BUILDDIR)
+vpath %.o $(BUILDDIR)
+
+.PHONY: all clean install prebuild test dist-clean
+
+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: ;
+
+test:
+	$(MAKE) -C tests && tests/tests
+
+clean:
+	$(RM) $(BUILDDIR)
+	$(MAKE) -C tests clean
+
+dist-clean:
+	$(RM) build $(BIN)
+	$(MAKE) -C tests clean
+
+install: $(OUTDIR)$(BIN)
+	$(INSTALL) -d $(BINDIR)
+	$(INSTALL) $(OUTDIR)$(BIN) $(BINDIR)
+	$(INSTALL) -d $(MANDIR)$(MANSECTION)
+	$(INSTALL) -m 0644 $(MANPAGE) $(MANDIR)$(MANSECTION)

premake.make

@@ -0,0 +1 @@
+LDLIBS := -lm -lpthread -lscnumerics

pw.1

@@ -0,0 +1,57 @@
+.Dd $Mdocdate$
+.Dt pw 1
+.Os
+.Sh NAME
+.Nm pw
+.Nd one line about what it does
+.\" .Sh LIBRARY
+.\" For sections 2, 3, and 9	only.
+.\" Not used in OpenBSD.
+.Sh SYNOPSIS
+.Nm
+.Fl h | v
+.Nm
+.Op Ar
+.Sh DESCRIPTION
+The
+.Nm
+utility processes files ...
+When no file arguments are given,
+.Nm
+will read from the standard input.
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Fl h, \-help
+Print help text and exit.
+.It Fl v, \-version
+Print version info and exit.
+.El
+.\" .Sh CONTEXT
+.\" For section 9 functions only.
+.\" .Sh IMPLEMENTATION NOTES
+.\" Not used in OpenBSD.
+.\" .Sh RETURN VALUES
+.\" For sections 2, 3, and 9 function return values only.
+.\" .Sh ENVIRONMENT
+.\" For sections 1, 6, 7, and 8 only.
+.\" .Sh FILES
+.Sh EXIT STATUS
+.\" For sections 1, 6, and 8 only.
+.Nm
+exits 0 on success, and 1 if an error occurs.
+.\" .Sh EXAMPLES
+.\" .Sh DIAGNOSTICS
+.\" For sections 1, 4, 6, 7, 8, and 9 printf/stderr messages only.
+.\" .Sh ERRORS
+.\" For sections 2, 3, 4, and 9 errno settings only.
+.\" .Sh SEE ALSO
+.\" .Xr foobar 1
+.\" .Sh STANDARDS
+.\" .Sh HISTORY
+.Sh AUTHORS
+Bob Polis
+.\" .Sh CAVEATS
+.\" .Sh BUGS
+.\" .Sh SECURITY CONSIDERATIONS
+.\" Not used in OpenBSD.

src/main.cpp

@@ -0,0 +1,106 @@
+//
+// main.cpp
+// pw
+//
+// Created by Bob Polis at 2021-11-05
+// Copyright (c) 2021 SwiftCoder. All rights reserved.
+//
+
+#include <iostream>
+#include <cstdlib>
+#include <string>
+#include <stdexcept>
+#include <getopt.h>
+#include <libscnumerics.hpp>
+
+void print_help() {
+    std::cout << "usage: pw [-h|--version]\n";
+    std::cout << "  -h, --help    show this help text and exit\n";
+    std::cout << "  --version     show version number and exit\n";
+}
+
+void print_version() {
+    std::cout << "pw version 1.0\n";
+}
+
+int main(int argc, char* argv[]) {
+    try {
+        std::string upper {"ABCDEFGHIJKLMNOPQRSTUVWXYZ"};
+        std::string lower {"abcdefghijklmnopqrstuvwxyz"};
+        std::string digits {"0123456789"};
+        std::string symbols {"_-=+<>,.!@#$%^&*"};
+        std::string valid;
+        int len {12};
+        bool noflags {true};
+        int opt_char, opt_val;
+        struct option long_options[] = {
+            {"help", no_argument, nullptr, 'h'},
+            {"version", no_argument, &opt_val, 1},
+            {"upper", no_argument, nullptr, 'u'},
+            {"lower", no_argument, nullptr, 'l'},
+            {"digit", no_argument, nullptr, 'd'},
+            {"symbol", no_argument, nullptr, 's'},
+            {"count", required_argument, nullptr, 'c'},
+            {nullptr, 0, nullptr, 0}
+        };
+        while ((opt_char = getopt_long(argc, argv, "c:hulds", long_options, nullptr)) != -1) {
+            std::string arg {optarg ? optarg : ""};
+            switch (opt_char) {
+                case 0: {
+                    // handle long-only options here
+                    switch (opt_val) {
+                        case 1:
+                            print_version();
+                            return EXIT_SUCCESS;
+                    }
+                    break;
+                }
+                case 'h':
+                    print_help();
+                    return EXIT_SUCCESS;
+                case 'u':
+                    noflags = false;
+                    valid += upper;
+                    break;
+                case 'l':
+                    noflags = false;
+                    valid += lower;
+                    break;
+                case 'd':
+                    noflags = false;
+                    valid += digits;
+                    break;
+                case 's':
+                    noflags = false;
+                    valid += symbols;
+                    break;
+                case 'c':
+                    len = std::stoi(optarg);
+                    break;
+                case '?':
+                    throw std::runtime_error("unrecognized option");
+            }
+        }
+        if (optind == argc) {
+            // here when no file args
+            if (noflags) {
+                valid = upper + lower + digits + symbols;
+            }
+            for (int i = 0; i < len; ++i) {
+                std::cout << sc::random::choice<char>(valid.begin(), valid.end());
+            }
+            std::cout << std::endl;
+        }
+        for (int i = optind; i < argc; ++i) {
+            try {
+                // process file argv[i]
+            } catch (const std::runtime_error& ex) {
+                std::cerr << "pw: " << ex.what() << '\n';
+            }
+        }
+    } catch (const std::exception& ex) {
+        std::cerr << "pw: " << ex.what() << '\n';
+        return EXIT_FAILURE;
+    }
+    return EXIT_SUCCESS;
+}

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 := $(CXXFLAGS) -Wshadow -Wall -Wpedantic -Wextra -g -fno-strict-aliasing -std=c++17 -pthread -I../src
+ifeq ($(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);
+}