Full Go rewrite with WIP suppport for ther systems (Windows custom protocol handler), fixed #4, updated README

.clang-format

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.gitignore

@@ -1,2 +1 @@
-*.zip
-*.crx
+build/

Makefile

@@ -1,35 +1,31 @@
-INCLUDES = -Isrc/
-CXXFLAGS_debug = -Wall -DDEBUG -g -rdynamic -std=c++2a $(INCLUDES)
-CXXFLAGS_release = -Wall -fvisibility=hidden -fvisibility-inlines-hidden -std=c++2a -march=x86-64 -mtune=generic -O3 -pipe -fno-plt $(INCLUDES)
-SRCS = src/ipc.hpp \
-	   src/options.hpp \
-       src/players.hpp \
-       src/url.hpp \
-	   src/main.cpp
+SRC:=config.go ipc.go options.go
+EXT_SRC:=$(wildcard extension/Chrome/*) extension/Firefox/manifest.json
 
-all: release firefox
+all: build/open-in-mpv
 
-release: $(SRCS)
-	$(CXX) $(CXXFLAGS_release) -o open-in-mpv src/main.cpp
+build/open-in-mpv: $(SRC)
+	@mkdir -p build
+	go build -ldflags="-s -w" -o build/open-in-mpv ./cmd/open-in-mpv
 
-debug: $(SRCS)
-	$(CXX) $(CXXFLAGS_debug) -o open-in-mpv src/main.cpp
+build/Firefox.zip: $(EXT_SRC)
+	@mkdir -p build
+	cp -t extension/Firefox extension/Chrome/{*.html,*.js,*.png,*.css}
+	zip -r build/Firefox.zip extension/Firefox/
+	@rm extension/Firefox/{*.html,*.js,*.png,*.css}
 
-install: release
-	cp open-in-mpv /usr/bin
+install: build/open-in-mpv
+	cp build/open-in-mpv /usr/bin
+
+install-protocol:
+	scripts/install-protocol.sh
 
 uninstall:
 	rm /usr/bin/open-in-mpv
 
-firefox:
-	cp -t Firefox Chrome/{*.html,*.js,*.png,*.css}
-	pushd Firefox && zip ../Firefox.zip * && popd
-	@rm Firefox/{*.html,*.js,*.png,*.css}
-
 clean:
-	@rm -f open-in-mpv Firefox.zip Chrome.crx
+	rm -rf build/*
 
-fmt:
-	clang-format -i src/*.{hpp,cpp}
+test:
+	go test ./...
 
-.PHONY: all release debug install uninstall firefox clean fmt
+.PHONY: all install install-protocol uninstall clean test

cmd/open-in-mpv/main.go

@@ -0,0 +1,46 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+
+	oim "github.com/Baldomo/open-in-mpv"
+)
+
+func must(err error) {
+	if err == nil {
+		return
+	}
+
+	log.Fatal(err.Error())
+}
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Println("This program is not supposed to be called from the command line!")
+		os.Exit(1)
+	}
+
+	must(oim.LoadConfig())
+
+	opts := oim.NewOptions()
+	must(opts.Parse(os.Args[1]))
+
+	if opts.NeedsIpc {
+		cmd, err := opts.GenerateIPC()
+		must(err)
+		err = oim.SendBytes(cmd)
+		if err == nil {
+			os.Exit(0)
+		}
+		log.Println("Error writing to socket, opening new instance")
+	}
+
+	args := opts.GenerateCommand()
+	player := exec.Command(opts.Player, args...)
+	log.Println(player.String())
+	must(player.Start())
+	// must(player.Wait())
+}

config.go

@@ -0,0 +1,82 @@
+package open_in_mpv
+
+import (
+	"log"
+	"path/filepath"
+	"strings"
+
+	"github.com/shibukawa/configdir"
+	"gopkg.in/yaml.v2"
+)
+
+// The Player struct contains useful informations for an mpv-based player,
+// such as binary name and fullscreen/pip/enqueue/new_window flags overrides for
+// use in GenerateIPC(). A way to override any generic flags is also
+// provided through the map FlagOverrides.
+type Player struct {
+	// Full name of the player
+	Name string
+	// Executable path/name (if already in $PATH) for the player
+	Executable string
+	// Flag override for fullscreen
+	Fullscreen string
+	// Flag override for picture-in-picture mode
+	Pip string
+	// Flag override for enqueuing videos
+	Enqueue string
+	// Flag override for forcing new window
+	NewWindow string `yaml:"new_window"`
+	// Controls whether this player needs IPC command to enqueue videos
+	NeedsIpc bool `yaml:"needs_ipc"`
+	// Overrides for any generic flag
+	FlagOverrides map[string]string `yaml:"flag_overrides"`
+}
+
+// Top-level configuration object, maps a player by name to its Player object
+type Config struct {
+	Players map[string]Player
+}
+
+var defaultConfig = Config{
+	Players: map[string]Player{
+		"mpv": {
+			Name:          "mpv",
+			Executable:    "mpv",
+			Fullscreen:    "--fs",
+			Pip:           `--ontop --no-border --autofit=384x216 --geometry=98%:98%`,
+			Enqueue:       "",
+			NewWindow:     "",
+			NeedsIpc:      true,
+			FlagOverrides: map[string]string{},
+		},
+	},
+}
+
+// Tries to load configuration file with fallback
+func LoadConfig() error {
+	confDirs := configdir.New("", "open-in-mpv")
+	confDirs.LocalPath, _ = filepath.Abs(".")
+	confFolder := confDirs.QueryFolderContainsFile("config.yml")
+
+	if confFolder == nil {
+		log.Println("No config file found, using default")
+		return nil
+	}
+
+	data, err := confFolder.ReadFile("config.yml")
+	if err != nil {
+		return err
+	}
+
+	return yaml.Unmarshal(data, &defaultConfig)
+}
+
+// Returns player information for the given name if present, otherwise nil
+func GetPlayerInfo(name string) *Player {
+	lowerName := strings.ToLower(name)
+	if p, ok := defaultConfig.Players[lowerName]; ok {
+		return &p
+	}
+
+	return nil
+}

config.yml

@@ -0,0 +1,30 @@
+---
+players:
+  mpv:
+    name: mpv
+    executable: mpv
+    fullscreen: "--fs"
+    pip: "--ontop --no-border --autofit=384x216 --geometry=98\\%:98\\%"
+    enqueue: ""
+    new_window: ""
+    needs_ipc: true
+    flag_overrides: {}
+  celluloid:
+    name: Celluloid
+    executable: celluloid
+    fullscreen: ""
+    pip: ""
+    enqueue: "--enqueue"
+    new_window: "--new-window"
+    needs_ipc: false
+    flag_overrides: 
+      "*": "--mpv-%s"
+  mpvnet:
+    name: mpv.net
+    executable: mpvnet.exe
+    fullscreen: "--fs"
+    pip: "--ontop --no-border --autofit=384x216 --geometry=98\\%:98\\%"
+    enqueue: "--queue"
+    new_window: ""
+    needs_ipc: false
+    flag_overrides: {}

config_test.go

@@ -0,0 +1,11 @@
+package open_in_mpv
+
+import "testing"
+
+func Test_LoadConfig(t *testing.T) {
+	err := LoadConfig()
+	if err != nil {
+		t.Error(err)
+	}
+	t.Logf("%#v\n", defaultConfig)
+}

go.mod

@@ -0,0 +1,8 @@
+module github.com/Baldomo/open-in-mpv
+
+go 1.15
+
+require (
+	github.com/shibukawa/configdir v0.0.0-20170330084843-e180dbdc8da0
+	gopkg.in/yaml.v2 v2.4.0
+)

go.sum

@@ -0,0 +1,5 @@
+github.com/shibukawa/configdir v0.0.0-20170330084843-e180dbdc8da0 h1:Xuk8ma/ibJ1fOy4Ee11vHhUFHQNpHhrBneOCNHVXS5w=
+github.com/shibukawa/configdir v0.0.0-20170330084843-e180dbdc8da0/go.mod h1:7AwjWCpdPhkSmNAgUv5C7EJ4AbmjEB3r047r3DXWu3Y=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=

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ipc.go

@@ -0,0 +1,47 @@
+package open_in_mpv
+
+import "net"
+
+const defaultSocket = "/tmp/mpvsocket"
+
+var defaultIpc = Ipc{
+	SocketAddress: defaultSocket,
+}
+
+// Defines an IPC connection with a UNIX socket
+type Ipc struct {
+	conn          net.Conn
+	SocketAddress string
+}
+
+// Send a byte-encoded command to the specified UNIX socket
+func (i *Ipc) Send(cmd []byte) error {
+	var err error
+	i.conn, err = net.Dial("unix", i.SocketAddress)
+	if err != nil {
+		return err
+	}
+	defer i.conn.Close()
+
+	// The command has to be newline terminated
+	if cmd[len(cmd)-1] != '\n' {
+		cmd = append(cmd, '\n')
+	}
+
+	_, err = i.conn.Write(cmd)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// Generic public send string command for the default connection
+func SendString(cmd string) error {
+	return defaultIpc.Send([]byte(cmd))
+}
+
+// Generic public send byte-encoded string command for the default connection
+func SendBytes(cmd []byte) error {
+	return defaultIpc.Send(cmd)
+}

options.go

@@ -0,0 +1,167 @@
+package open_in_mpv
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+// The Options struct defines a model for the data contained in the mpv://
+// URL and acts as a command generator (both CLI and IPC) to spawn and
+// communicate with an mpv player window.
+type Options struct {
+	Flags      string
+	Player     string
+	Url        string
+	Enqueue    bool
+	Fullscreen bool
+	NewWindow  bool
+	Pip        bool
+	NeedsIpc   bool
+}
+
+// Utility object to marshal an mpv-compatible JSON command. As defined in the
+// documentation, a valid IPC command is a JSON array of strings
+type enqueueCmd struct {
+	Command []string `json:"command,omitempty"`
+}
+
+// Default constructor for an Option object
+func NewOptions() Options {
+	return Options{
+		Flags:      "",
+		Player:     "mpv",
+		Url:        "",
+		Enqueue:    false,
+		Fullscreen: false,
+		NewWindow:  false,
+		Pip:        false,
+		NeedsIpc:   false,
+	}
+}
+
+// Parse a mpv:// URL and populate the current Options
+func (o *Options) Parse(uri string) error {
+	u, err := url.Parse(uri)
+	if err != nil {
+		return err
+	}
+
+	if u.Scheme != "mpv" {
+		return fmt.Errorf("Unsupported protocol: %s", u.Scheme)
+	}
+
+	if u.Path != "/open" {
+		return fmt.Errorf("Unsupported method: %s", u.Path)
+	}
+
+	if len(u.RawQuery) < 2 {
+		return fmt.Errorf("Empty or malformed query: %s", u.RawQuery)
+	}
+
+	o.Flags, err = url.QueryUnescape(u.Query().Get("flags"))
+	if err != nil {
+		return err
+	}
+	o.Url, err = url.QueryUnescape(u.Query().Get("url"))
+	if err != nil {
+		return err
+	}
+
+	if p, ok := u.Query()["player"]; ok {
+		o.Player = p[0]
+	}
+
+	if GetPlayerInfo(o.Player) == nil {
+		return fmt.Errorf("Unsupported player: %s", o.Player)
+	}
+
+	o.Enqueue = u.Query().Get("enqueue") == "1"
+	o.Fullscreen = u.Query().Get("fullscreen") == "1"
+	o.NewWindow = u.Query().Get("new_window") == "1"
+	o.Pip = u.Query().Get("pip") == "1"
+
+	o.NeedsIpc = GetPlayerInfo(o.Player).NeedsIpc
+
+	return nil
+}
+
+// Parses flag overrides and returns the final flags
+func (o Options) overrideFlags() string {
+	var (
+		ret  []string
+		star bool
+	)
+
+	pInfo := GetPlayerInfo(o.Player)
+	if pInfo == nil {
+		return ""
+	}
+
+	_, star = pInfo.FlagOverrides["*"]
+
+	for _, flag := range strings.Split(o.Flags, " ") {
+		if star {
+			stripped := strings.TrimLeft(flag, "-")
+			replaced := strings.ReplaceAll(pInfo.FlagOverrides["*"], `%s`, stripped)
+			ret = append(ret, replaced)
+		} else {
+			if override, ok := pInfo.FlagOverrides[flag]; ok {
+				stripped := strings.TrimLeft(flag, "-")
+				ret = append(ret, strings.ReplaceAll(override, `%s`, stripped))
+			}
+		}
+	}
+
+	return strings.Join(ret, " ")
+}
+
+// Builds a CLI command used to invoke the player with the appropriate arguments
+func (o Options) GenerateCommand() []string {
+	var ret []string
+
+	pInfo := GetPlayerInfo(o.Player)
+
+	if o.Fullscreen {
+		ret = append(ret, pInfo.Fullscreen)
+	}
+
+	if o.Pip {
+		ret = append(ret, pInfo.Pip)
+	}
+
+	if o.Flags != "" {
+		if len(pInfo.FlagOverrides) == 0 {
+			ret = append(ret, o.Flags)
+		} else {
+			ret = append(ret, o.overrideFlags())
+		}
+	}
+
+	ret = append(ret, o.Url)
+
+	return ret
+}
+
+// Builds the IPC command needed to enqueue videos if the player requires it
+func (o Options) GenerateIPC() ([]byte, error) {
+	if !o.NeedsIpc {
+		return []byte{}, fmt.Errorf("This player does not need IPC")
+	}
+
+	cmd := enqueueCmd{
+		[]string{"loadfile", o.Url, "append-play"},
+	}
+
+	ret, err := json.Marshal(cmd)
+	if err != nil {
+		return []byte{}, err
+	}
+
+	if ret[len(ret)-1] != '\n' {
+		ret = append(ret, '\n')
+	}
+
+	return ret, nil
+}

options_test.go

@@ -0,0 +1,86 @@
+package open_in_mpv
+
+import (
+	"strings"
+	"testing"
+)
+
+var fakePlayer = Player{
+	Name:          "FakePlayer",
+	Executable:    "fakeplayer",
+	Fullscreen:    "",
+	Pip:           "",
+	Enqueue:       "",
+	NewWindow:     "",
+	NeedsIpc:      true,
+	FlagOverrides: map[string]string{},
+}
+
+func testUrl(query ...string) string {
+	elems := []string{
+		`mpv:///open?url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DdQw4w9WgXcQ`,
+	}
+	return strings.Join(append(elems, query...), "&")
+}
+
+func Test_GenerateCommand(t *testing.T) {
+	o := NewOptions()
+	o.Url = "example.com"
+	o.Flags = "--vo=gpu"
+	o.Pip = true
+
+	args := o.GenerateCommand()
+	t.Logf("%s %v", o.Player, args)
+}
+
+func Test_GenerateIPC(t *testing.T) {
+	o := NewOptions()
+	_ = o.Parse(testUrl("enqueue=1", "pip=1"))
+	ipc, _ := o.GenerateIPC()
+	t.Log(string(ipc))
+}
+
+func Test_overrideFlags_single(t *testing.T) {
+	fakePlayer.FlagOverrides["--foo"] = "--bar=%s"
+	defaultConfig.Players["fakeplayer"] = fakePlayer
+
+	o := NewOptions()
+	err := o.Parse(testUrl("player=fakeplayer", "flags=--foo"))
+	if err != nil {
+		t.Error(err)
+	}
+
+	result := o.overrideFlags()
+
+	if result != "--bar=foo" {
+		t.Fail()
+		t.Log(result)
+		t.Logf("%#v\n", o)
+	}
+}
+
+func Test_overrideFlags_star(t *testing.T) {
+	fakePlayer.FlagOverrides["*"] = "--bar=%s"
+	defaultConfig.Players["fakeplayer"] = fakePlayer
+
+	o := NewOptions()
+	err := o.Parse(testUrl("player=fakeplayer", "flags=--foo%20--baz"))
+	if err != nil {
+		t.Error(err)
+	}
+
+	result := o.overrideFlags()
+
+	if result != "--bar=foo --bar=baz" {
+		t.Fail()
+		t.Log(result)
+		t.Logf("%#v\n", o)
+	}
+}
+
+func Test_Parse(t *testing.T) {
+	o := NewOptions()
+	_ = o.Parse(testUrl("enqueue=1", "pip=1"))
+	args := o.GenerateCommand()
+	t.Logf("%s %v", o.Player, args)
+}

scripts/install-protocol.reg

@@ -0,0 +1,12 @@
+Windows Registry Editor Version 5.00
+
+[HKEY_CLASSES_ROOT\mpv]
+"URL Protocol"=""
+@="URL:mpv"
+
+[HKEY_CLASSES_ROOT\mpv\shell]
+
+[HKEY_CLASSES_ROOT\mpv\shell\open]
+
+[HKEY_CLASSES_ROOT\mpv\shell\open\command]
+@="\"C:\\Program Files\\open-in-mpv\\open-in-mpv.exe\" \"%1\""

src/ipc.hpp

@@ -1,58 +0,0 @@
-#pragma once
-
-#include <cstring>
-#include <string>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <unistd.h>
-
-using std::string;
-
-const char *DEFAULT_SOCK = "/tmp/mpvsocket";
-
-namespace oim {
-
-/*
- * The class oim::ipc provides easy communication and basic socket management
- * for any running mpv instance configured to receive commands over a JSON-IPC
- * server/socket.
- */
-class ipc {
-  private:
-    sockaddr_un sockaddress_;
-    int sockfd_;
-    int socklen_;
-
-  public:
-    ipc() : ipc(DEFAULT_SOCK){};
-
-    /*
-     * Constructor for oim::ipc
-     */
-    ipc(const char *sockpath);
-
-    /*
-     * Destructor for oim::ipc
-     */
-    ~ipc() { close(sockfd_); };
-
-    /*
-     * Sends a raw command string to the internal socket at DEFAULT_SOCK
-     */
-    bool send(string cmd);
-};
-
-ipc::ipc(const char *sockpath) {
-    sockfd_ = socket(AF_UNIX, SOCK_STREAM, 0);
-    sockaddress_.sun_family = AF_UNIX;
-    std::strcpy(sockaddress_.sun_path, sockpath);
-    socklen_ = sizeof(sockaddress_);
-
-    connect(sockfd_, (const sockaddr *)&sockaddress_, socklen_);
-}
-
-bool ipc::send(string cmd) {
-    return write(sockfd_, cmd.c_str(), cmd.length()) != -1;
-}
-
-} // namespace oim

src/main.cpp

@@ -1,70 +0,0 @@
-#include "ipc.hpp"
-#include "options.hpp"
-
-#include <cstdlib>
-#include <fstream>
-#include <iostream>
-#include <string>
-
-using std::string;
-
-const char *help[2] = {
-    "This program is not supposed to be called from the command line!",
-    "Call with 'install-protocol' to instal the xdg-compatible protocol file "
-    "in ~/.local/share/applications/"
-};
-
-bool install_protocol() {
-    const char *protocol_file = R"([Desktop Entry]
-Name=open-in-mpv
-Exec=open-in-mpv %u
-Type=Application
-Terminal=false
-NoDisplay=true
-MimeType=x-scheme-handler/mpv
-)";
-
-    const char *homedir = std::getenv("HOME");
-    if (!homedir)
-        return false;
-
-    std::ofstream protfile(
-        string(homedir) + "/.local/share/applications/open-in-mpv.desktop");
-    protfile << protocol_file;
-    protfile.flush();
-    protfile.close();
-
-    return true;
-}
-
-int main(int argc, char const *argv[]) {
-    if (argc == 1) {
-        std::cout << help[0] << std::endl << help[1] << std::endl;
-        return 0;
-    };
-
-    if (string(argv[1]) == "install-protocol")
-        return install_protocol() ? 0 : 1;
-
-    oim::options *mo = new oim::options();
-    try {
-        mo->parse(argv[1]);
-    } catch (string err) {
-        std::cout << err << std::endl;
-        return 1;
-    }
-
-    if (mo->needs_ipc()) {
-        oim::ipc *mipc = new oim::ipc();
-        bool success = mipc->send(mo->build_ipc());
-        if (success) {
-            return 0;
-        }
-
-        std::cerr << "Error writing to socket, opening new instance"
-                  << std::endl;
-    }
-    std::system(mo->build_cmd().c_str());
-
-    return 0;
-}

src/options.hpp

@@ -1,197 +0,0 @@
-#pragma once
-
-#include "players.hpp"
-#include "url.hpp"
-
-#include <algorithm>
-#include <cstdio>
-#include <cstring>
-#include <sstream>
-#include <string>
-#include <vector>
-
-using std::string;
-
-namespace {
-// Replace all occurrences of `from` with `to` in `str`
-string replace_all(string str, const string &from, const string &to) {
-    size_t start_pos = 0;
-    while ((start_pos = str.find(from, start_pos)) != string::npos) {
-        str.replace(start_pos, from.length(), to);
-        // Handles case where 'to' is a substring of 'from'
-        start_pos += to.length();
-    }
-    return str;
-}
-
-// Remove all characters equals to `c` at the beginning of the string
-string lstrip(string str, char c) {
-    while (str.at(0) == c)
-        str.replace(0, 1, "");
-    return str;
-}
-} // namespace
-
-namespace oim {
-
-/*
- * The class oim::options defines a model for the data contained in the mpv://
- * URL and acts as a command generator (both CLI and IPC) to spawn and
- * communicate with an mpv player window.
- */
-class options {
-  private:
-    player *player_info_;
-    string url_;
-    string flags_;
-    string player_;
-    bool fullscreen_;
-    bool pip_;
-    bool enqueue_;
-    bool new_window_;
-
-    /*
-     * Parses flag overrides and returns the final flags
-     */
-    string override_flags();
-
-  public:
-    /*
-     * Constructor for oim::options
-     */
-    options();
-
-    /*
-     * Builds a CLI command used to invoke mpv with the appropriate arguments
-     */
-    string build_cmd();
-
-    /*
-     * Builds the IPC command needed to enqueue videos in mpv
-     */
-    string build_ipc();
-
-    /*
-     * Parse a URL and populate the current oim::options
-     */
-    void parse(const char *url);
-
-    /*
-     * Checks wether or not oim::options needs to communicate with mpv via IPC
-     * instead of the command line interface
-     */
-    bool needs_ipc();
-};
-
-options::options() {
-    url_ = "";
-    flags_ = "";
-    player_ = "mpv";
-    fullscreen_ = false;
-    pip_ = false;
-    enqueue_ = false;
-    new_window_ = false;
-}
-
-string options::build_cmd() {
-    std::ostringstream ret;
-
-    if (player_info_ == nullptr) {
-        return "";
-    }
-
-    ret << player_info_->executable << " ";
-    if (fullscreen_ && !player_info_->fullscreen.empty())
-        ret << player_info_->fullscreen << " ";
-    if (pip_ && !player_info_->pip.empty())
-        ret << player_info_->pip << " ";
-    if (!flags_.empty()) {
-        if (!player_info_->flag_overrides.empty())
-            ret << override_flags() << " ";
-        else
-            ret << flags_ << " ";
-    }
-    ret << url_;
-
-    return ret.str();
-}
-
-string options::build_ipc() {
-    std::ostringstream ret;
-
-    if (!needs_ipc())
-        return "";
-
-    // In the future this may need a more serious json serializer for
-    // more complicated commands
-    // Syntax: {"command": ["loadfile", "%s", "append-play"]}\n
-    ret << R"({"command": ["loadfile", ")" << url_ << R"(", "append-play"]})"
-        << std::endl;
-
-    return ret.str();
-}
-
-string options::override_flags() {
-    // Return immediatly in case there are no overrides
-    if (player_info_->flag_overrides.empty())
-        return flags_;
-
-    bool star = false;
-    std::ostringstream ret;
-
-    // Check whether there's a global override
-    auto star_pair = player_info_->flag_overrides.find("*");
-    if (star_pair != player_info_->flag_overrides.end())
-        star = true;
-
-    // Turn flags_ into a stream to tokenize somewhat idiomatically
-    auto flagstream = std::istringstream{ flags_ };
-    string tmp;
-
-    while (flagstream >> tmp) {
-        if (star) {
-            // Remove all dashes at the beginning of the flag
-            string stripped = ::lstrip(tmp, '-');
-            ret << ::replace_all((*star_pair).second, "%s", stripped);
-        } else {
-            // Search for the flag currently being processed
-            auto fo = player_info_->flag_overrides.find(tmp);
-            if (fo == player_info_->flag_overrides.end())
-                continue;
-
-            ret << ::replace_all((*fo).second, "%s", tmp);
-        }
-    }
-
-    return ret.str();
-}
-
-void options::parse(const char *url_s) {
-    oim::url u(url_s);
-
-    if (u.protocol() != "mpv")
-        throw string("Unsupported protocol supplied: ") + u.protocol();
-
-    if (u.path() != "/open")
-        throw string("Unsupported method supplied: ") + u.path();
-
-    if (u.query().empty())
-        throw string("Empty query");
-
-    url_ = percent_decode(u.query_value("url"));
-    flags_ = percent_decode(u.query_value("flags"));
-    player_ = u.query_value("player", "mpv");
-
-    player_info_ = get_player_info(player_);
-    if (player_info_ == nullptr)
-        throw string("Unsupported player: ") + player_;
-
-    fullscreen_ = u.query_value("full_screen") == "1";
-    pip_ = u.query_value("pip") == "1";
-    enqueue_ = u.query_value("enqueue") == "1";
-    new_window_ = u.query_value("new_window") == "1";
-}
-
-bool options::needs_ipc() { return player_info_->needs_ipc; }
-
-} // namespace oim

src/players.hpp

@@ -1,85 +0,0 @@
-#pragma once
-
-#include <algorithm>
-#include <string>
-#include <unordered_map>
-
-using std::string;
-using std::unordered_map;
-
-namespace oim {
-
-/*
- * Struct `oim::player` contains useful informations for an mpv-based player,
- * such as binary name and fullscreen/pip/enqueue/new_window flags overrides for
- * use in `options::build_ipc()`. A way to override any generic flags is also
- * provided through the map `flag_overrides`.
- */
-struct player {
-    string name;
-    string executable;
-
-    string fullscreen;
-    string pip;
-    string enqueue;
-    string new_window;
-
-    bool needs_ipc;
-
-    /*
-     * Overrides for any extra command line flag
-     *
-     * Override syntax:
-     * `"*"`:    matches anything and will take precedence over any other
-     *           override
-     *           e.g. the pair `{"*", ""}` will void all flags
-     * `"flag"`: matches the flag `--flag`
-     *           e.g. the pair `{"--foo", "--bar"}` will replace `--foo` with
-     *           `--bar`
-     * `"%s"`:   is replaced with the original flag without the leading `--`
-     *           e.g. the pair `{"--foo", "--%s-bar"}` will replace `--foo` with
-     *           `--foo-bar`
-     *
-     * Note: command line options with parameters such as `--foo=bar` are
-     * considered a flags as a whole
-     */
-    unordered_map<string, string> flag_overrides;
-};
-
-unordered_map<string, player> player_info = {
-    { "mpv",
-      { .name = "mpv",
-        .executable = "mpv",
-        .fullscreen = "--fs",
-        .pip = "--ontop --no-border --autofit=384x216 --geometry=98\%:98\%",
-        .enqueue = "",
-        .new_window = "",
-        .needs_ipc = true,
-        .flag_overrides = {} } },
-    { "celluloid",
-      { .name = "Celluloid",
-        .executable = "celluloid",
-        .fullscreen = "",
-        .pip = "",
-        .enqueue = "--enqueue",
-        .new_window = "--new-window",
-        .needs_ipc = false,
-        .flag_overrides = { { "*", "--mpv-options=%s" } } } },
-};
-
-player *get_player_info(string name) {
-    if (name.empty())
-        return &player_info["mpv"];
-
-    string lower_name(name);
-    std::transform(name.begin(), name.end(), lower_name.begin(), ::tolower);
-
-    auto info = player_info.find(lower_name);
-    if (info == player_info.end()) {
-        return nullptr;
-    }
-
-    return &(*info).second;
-}
-
-} // namespace oim

src/url.hpp

@@ -1,160 +0,0 @@
-#pragma once
-
-#include <algorithm>
-#include <cstddef>
-#include <functional>
-#include <memory>
-#include <string>
-
-using std::string;
-
-namespace {
-/*
- * Converts a single character to a percent-decodable byte representation
- * Taken from
- * https://github.com/cpp-netlib/url/blob/main/include/skyr/v1/percent_encoding/percent_decode_range.hpp
- */
-inline std::byte alnum_to_hex(char value) {
-    if ((value >= '0') && (value <= '9')) {
-        return static_cast<std::byte>(value - '0');
-    }
-
-    if ((value >= 'a') && (value <= 'f')) {
-        return static_cast<std::byte>(value + '\x0a' - 'a');
-    }
-
-    if ((value >= 'A') && (value <= 'F')) {
-        return static_cast<std::byte>(value + '\x0a' - 'A');
-    }
-
-    return static_cast<std::byte>(' ');
-}
-
-} // namespace
-
-namespace oim {
-
-/*
- * The class oim::url contains utility methods to parse a URL string and
- * access its fields by name (e.g. parses protocol, host, query etc.). Simple
- * query value searching by key is also provided by url::query_value(string).
- */
-class url {
-  private:
-    string protocol_, host_, path_, query_;
-
-  public:
-    /* Constructor with C-style string URL */
-    url(const char *url_s) : url(string(url_s)){};
-
-    /* Constructor with C++ std::string URL */
-    url(const string &url_s);
-
-    /* Move constructor for oim::url */
-    url(url &&other);
-
-    /* Accessor for the URL's protocol string */
-    string protocol() { return protocol_; }
-
-    /* Accessor for the URL's host string */
-    string host() { return host_; }
-
-    /* Accessor for the URL's whole path */
-    string path() { return path_; }
-
-    /* Accessor for the URL's whole query string */
-    string query() { return query_; }
-
-    /*
-     * Gets a value from a query string given a key
-     */
-    string query_value(string key);
-
-    /*
-     * Gets a value from a query string given a key (overload with optional
-     * fallback if value isn't found)
-     */
-    string query_value(string key, string fallback);
-};
-
-url::url(const string &url_s) {
-    const string prot_end("://");
-    string::const_iterator prot_i = std::search(
-        url_s.begin(), url_s.end(), prot_end.begin(), prot_end.end());
-    protocol_.reserve(std::distance(url_s.begin(), prot_i));
-    // The protocol is case insensitive
-    std::transform(
-        url_s.begin(), prot_i, std::back_inserter(protocol_), ::tolower);
-    if (prot_i == url_s.end())
-        return;
-    std::advance(prot_i, prot_end.length());
-
-    // The path starts with '/'
-    string::const_iterator path_i = std::find(prot_i, url_s.end(), '/');
-    host_.reserve(std::distance(prot_i, path_i));
-    // The host is also case insensitive
-    std::transform(prot_i, path_i, std::back_inserter(host_), ::tolower);
-
-    // Everything else is query
-    string::const_iterator query_i = std::find(path_i, url_s.end(), '?');
-    path_.assign(path_i, query_i);
-    if (query_i != url_s.end())
-        ++query_i;
-    query_.assign(query_i, url_s.end());
-}
-
-url::url(url &&other) {
-    protocol_ = std::move(other.protocol_);
-    host_ = std::move(other.host_);
-    path_ = std::move(other.path_);
-    query_ = std::move(other.query_);
-}
-
-string url::query_value(string key) {
-    // Find the beginning of the last occurrence of `key` in `query`
-    auto pos = query_.rfind(key + "=");
-    if (pos == string::npos)
-        return "";
-
-    // Offset calculation (beginning of the value string associated with
-    // `key`):
-    //    pos: positione of the first character of `key`
-    //    key.length(): self explanatory
-    //    1: length of character '='
-    int offset = pos + key.length() + 1;
-    // Return a string starting from the offset and with appropriate length
-    // (difference between the position of the first '&' char after the
-    // value and `offset`)
-    return query_.substr(offset, query_.find('&', pos) - offset);
-}
-
-string url::query_value(string key, string fallback) {
-    string ret = query_value(key);
-    if (ret.empty())
-        return fallback;
-    return ret;
-}
-
-/*
- * Percent-decodes a URL
- */
-string percent_decode(const string encoded) {
-    string ret = "";
-    for (auto i = encoded.begin(); i < encoded.end(); i++) {
-        if (*i == '%') {
-            std::byte b1 = ::alnum_to_hex(*++i);
-            std::byte b2 = ::alnum_to_hex(*++i);
-
-            char parsed = static_cast<char>(
-                (0x10u * std::to_integer<unsigned int>(b1)) +
-                std::to_integer<unsigned int>(b2));
-            ret += parsed;
-        } else {
-            ret += *i;
-        }
-    }
-
-    return ret;
-}
-
-} // namespace oim