Initial config parsing code.

go.mod

@@ -2,4 +2,7 @@ module git.annabunches.net/annabunches/joyful
 
 go 1.24.4
 
-require github.com/holoplot/go-evdev v0.0.0-20240306072622-217e18f17db1
+require (
+	github.com/goccy/go-yaml v1.18.0
+	github.com/holoplot/go-evdev v0.0.0-20240306072622-217e18f17db1
+)

go.sum

@@ -1,2 +1,4 @@
+github.com/goccy/go-yaml v1.18.0 h1:8W7wMFS12Pcas7KU+VVkaiCng+kG8QiFeFwzFb+rwuw=
+github.com/goccy/go-yaml v1.18.0/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
 github.com/holoplot/go-evdev v0.0.0-20240306072622-217e18f17db1 h1:92OsBIf5KB1Tatx+uUGOhah73jyNUrt7DmfDRXXJ5Xo=
 github.com/holoplot/go-evdev v0.0.0-20240306072622-217e18f17db1/go.mod h1:iHAf8OIncO2gcQ8XOjS7CMJ2aPbX2Bs0wl5pZyanEqk=

internal/config/configparser.go

@@ -0,0 +1,62 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"git.annabunches.net/annabunches/joyful/internal/logger"
+	"github.com/goccy/go-yaml"
+)
+
+type ConfigParser struct {
+	config      Config
+	configFiles []string
+}
+
+// Parse all the config files and store the config data for further use
+func (parser *ConfigParser) Parse(directory string) {
+	// Find the config files in the directory
+	dirEntries, err := os.ReadDir(directory)
+	logger.FatalIfError(err, "Failed to read config directory")
+
+	for _, file := range dirEntries {
+		name := file.Name()
+		if file.IsDir() || !(strings.HasSuffix(name, ".yaml") || strings.HasSuffix(name, ".yml")) {
+			continue
+		}
+
+		filePath := filepath.Join(directory, name)
+		if strings.HasSuffix(filePath, ".yaml") || strings.HasSuffix(filePath, ".yml") {
+			parser.configFiles = append(parser.configFiles, filePath)
+		}
+	}
+
+	rawData := parser.parseConfigFiles()
+	err = yaml.Unmarshal(rawData, &parser.config)
+	logger.FatalIfError(err, "Failed to parse config")
+}
+
+// Open each config file and concatenate their contents
+func (parser *ConfigParser) parseConfigFiles() []byte {
+	var rawData []byte
+
+	for _, filePath := range parser.configFiles {
+		data, err := os.ReadFile(filePath)
+		if err != nil {
+			logger.LogIfError(err, fmt.Sprintf("Failed to read config file '%s'", filePath))
+			continue
+		}
+
+		rawData = append(rawData, data...)
+		rawData = append(rawData, '\n')
+	}
+
+	if len(rawData) == 0 {
+		logger.Log("No config data found")
+		return nil
+	}
+
+	return rawData
+}

internal/config/maps.go

@@ -0,0 +1,70 @@
+package config
+
+import (
+	"github.com/holoplot/go-evdev"
+)
+
+var (
+	EvCodeMap = map[string]evdev.EvCode{
+		"ABS_X":               evdev.ABS_X,
+		"ABS_Y":               evdev.ABS_Y,
+		"ABS_Z":               evdev.ABS_Z,
+		"ABS_RX":              evdev.ABS_RX,
+		"ABS_RY":              evdev.ABS_RY,
+		"ABS_RZ":              evdev.ABS_RZ,
+		"ABS_THROTTLE":        evdev.ABS_THROTTLE,
+		"ABS_WHEEL":           evdev.ABS_WHEEL,
+		"BTN_TRIGGER":         evdev.BTN_TRIGGER,
+		"BTN_THUMB":           evdev.BTN_THUMB,
+		"BTN_THUMB2":          evdev.BTN_THUMB2,
+		"BTN_TOP":             evdev.BTN_TOP,
+		"BTN_TOP2":            evdev.BTN_TOP2,
+		"BTN_PINKIE":          evdev.BTN_PINKIE,
+		"BTN_BASE":            evdev.BTN_BASE,
+		"BTN_BASE2":           evdev.BTN_BASE2,
+		"BTN_BASE3":           evdev.BTN_BASE3,
+		"BTN_BASE4":           evdev.BTN_BASE4,
+		"BTN_BASE5":           evdev.BTN_BASE5,
+		"BTN_BASE6":           evdev.BTN_BASE6,
+		"BTN_TRIGGER_HAPPY1":  evdev.BTN_TRIGGER_HAPPY1,
+		"BTN_TRIGGER_HAPPY2":  evdev.BTN_TRIGGER_HAPPY2,
+		"BTN_TRIGGER_HAPPY3":  evdev.BTN_TRIGGER_HAPPY3,
+		"BTN_TRIGGER_HAPPY4":  evdev.BTN_TRIGGER_HAPPY4,
+		"BTN_TRIGGER_HAPPY5":  evdev.BTN_TRIGGER_HAPPY5,
+		"BTN_TRIGGER_HAPPY6":  evdev.BTN_TRIGGER_HAPPY6,
+		"BTN_TRIGGER_HAPPY7":  evdev.BTN_TRIGGER_HAPPY7,
+		"BTN_TRIGGER_HAPPY8":  evdev.BTN_TRIGGER_HAPPY8,
+		"BTN_TRIGGER_HAPPY9":  evdev.BTN_TRIGGER_HAPPY9,
+		"BTN_TRIGGER_HAPPY10": evdev.BTN_TRIGGER_HAPPY10,
+		"BTN_TRIGGER_HAPPY11": evdev.BTN_TRIGGER_HAPPY11,
+		"BTN_TRIGGER_HAPPY12": evdev.BTN_TRIGGER_HAPPY12,
+		"BTN_TRIGGER_HAPPY13": evdev.BTN_TRIGGER_HAPPY13,
+		"BTN_TRIGGER_HAPPY14": evdev.BTN_TRIGGER_HAPPY14,
+		"BTN_TRIGGER_HAPPY15": evdev.BTN_TRIGGER_HAPPY15,
+		"BTN_TRIGGER_HAPPY16": evdev.BTN_TRIGGER_HAPPY16,
+		"BTN_TRIGGER_HAPPY17": evdev.BTN_TRIGGER_HAPPY17,
+		"BTN_TRIGGER_HAPPY18": evdev.BTN_TRIGGER_HAPPY18,
+		"BTN_TRIGGER_HAPPY19": evdev.BTN_TRIGGER_HAPPY19,
+		"BTN_TRIGGER_HAPPY20": evdev.BTN_TRIGGER_HAPPY20,
+		"BTN_TRIGGER_HAPPY21": evdev.BTN_TRIGGER_HAPPY21,
+		"BTN_TRIGGER_HAPPY22": evdev.BTN_TRIGGER_HAPPY22,
+		"BTN_TRIGGER_HAPPY23": evdev.BTN_TRIGGER_HAPPY23,
+		"BTN_TRIGGER_HAPPY24": evdev.BTN_TRIGGER_HAPPY24,
+		"BTN_TRIGGER_HAPPY25": evdev.BTN_TRIGGER_HAPPY25,
+		"BTN_TRIGGER_HAPPY26": evdev.BTN_TRIGGER_HAPPY26,
+		"BTN_TRIGGER_HAPPY27": evdev.BTN_TRIGGER_HAPPY27,
+		"BTN_TRIGGER_HAPPY28": evdev.BTN_TRIGGER_HAPPY28,
+		"BTN_TRIGGER_HAPPY29": evdev.BTN_TRIGGER_HAPPY29,
+		"BTN_TRIGGER_HAPPY30": evdev.BTN_TRIGGER_HAPPY30,
+		"BTN_TRIGGER_HAPPY31": evdev.BTN_TRIGGER_HAPPY31,
+		"BTN_TRIGGER_HAPPY32": evdev.BTN_TRIGGER_HAPPY32,
+		"BTN_TRIGGER_HAPPY33": evdev.BTN_TRIGGER_HAPPY33,
+		"BTN_TRIGGER_HAPPY34": evdev.BTN_TRIGGER_HAPPY34,
+		"BTN_TRIGGER_HAPPY35": evdev.BTN_TRIGGER_HAPPY35,
+		"BTN_TRIGGER_HAPPY36": evdev.BTN_TRIGGER_HAPPY36,
+		"BTN_TRIGGER_HAPPY37": evdev.BTN_TRIGGER_HAPPY37,
+		"BTN_TRIGGER_HAPPY38": evdev.BTN_TRIGGER_HAPPY38,
+		"BTN_TRIGGER_HAPPY39": evdev.BTN_TRIGGER_HAPPY39,
+		"BTN_TRIGGER_HAPPY40": evdev.BTN_TRIGGER_HAPPY40,
+	}
+)

internal/config/types.go

@@ -0,0 +1,41 @@
+package config
+
+type Config struct {
+	Devices DevicesConfig `yaml:"devices"`
+	Rules   []RuleConfig  `yaml:"rules"`
+}
+
+type DevicesConfig struct {
+	Physical []PhysicalDeviceConfig `yaml:"physical"`
+	Virtual  []VirtualDeviceConfig  `yaml:"virtual"`
+}
+
+type PhysicalDeviceConfig struct {
+	Name string `yaml:"name"`
+	Uuid string `yaml:"uuid"`
+}
+
+type VirtualDeviceConfig struct {
+	NumButtons int `yaml:"num_buttons"`
+	NumAxes    int `yaml:"num_axes"`
+}
+
+type RuleConfig struct {
+	Type   string           `yaml:"type"`
+	Input  RuleInputConfig  `yaml:"input"`
+	Output RuleOutputConfig `yaml:"output"`
+}
+
+type RuleInputConfig struct {
+	Device   string   `yaml:"device"`
+	Button   string   `yaml:"button,omitempty"`
+	Buttons  []string `yaml:"buttons,omitempty"`
+	Axis     string   `yaml:"axis,omitempty"`
+	Inverted bool     `yaml:"inverted,omitempty"`
+}
+
+type RuleOutputConfig struct {
+	Device string `yaml:"device"`
+	Button string `yaml:"button,omitempty"`
+	Axis   string `yaml:"axis,omitempty"`
+}