117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
// Copyright 2025 WIT.COM Inc Licensed GPL 3.0
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package tree
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// functions to import and export the protobuf
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// data to and from config files
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"go.wit.com/log"
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)
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// load the ~/.config/forge/ files
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func configLoad() *ToolkitConfigs {
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if os.Getenv("FORGE_CONFIG") == "" {
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homeDir, _ := os.UserHomeDir()
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fullpath := filepath.Join(homeDir, ".config/forge")
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os.Setenv("FORGE_CONFIG", fullpath)
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}
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c, err := loadText()
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if err != nil {
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log.Info("gui toolkit configLoad() error", err)
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}
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if c != nil {
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return c
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}
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// first time user. make a template config file
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c = sampleConfig()
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return c
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}
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// makes a sample config (and saves it)
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func sampleConfig() *ToolkitConfigs {
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all := NewToolkitConfigs()
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new1 := new(ToolkitConfig)
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new1.Plugin = "tree"
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new1.Name = "test"
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new1.Value = "apple"
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all.Append(new1)
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all.configSave()
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fmt.Println("first time user. adding an example config file with", len(all.ToolkitConfigs), "repos")
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return all
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}
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// write to ~/.config/forge/ unless ENV{FORGE_CONFIG} is set
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func (c *ToolkitConfigs) configSave() error {
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s := c.FormatTEXT()
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configWrite("toolkit.text", []byte(s))
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return nil
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}
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func loadText() (*ToolkitConfigs, error) {
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// this lets the user hand edit the config
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data, err := loadFile("toolkit.text")
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if err != nil {
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return nil, err
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}
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if data == nil {
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return nil, fmt.Errorf("toolkit.text data was nil")
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}
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if len(data) == 0 {
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return nil, fmt.Errorf("toolkit.text was empty")
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}
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c := new(ToolkitConfigs)
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// attempt to marshal toolkit.text
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if err := c.UnmarshalTEXT(data); err != nil {
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return nil, err
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}
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log.Log(TREE, "ConfigLoad()", len(c.ToolkitConfigs), "entries in ~/.config/forge")
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return c, nil
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}
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func loadFile(filename string) ([]byte, error) {
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fullname := filepath.Join(os.Getenv("FORGE_CONFIG"), filename)
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data, err := os.ReadFile(fullname)
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if errors.Is(err, os.ErrNotExist) {
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// if file does not exist, just return nil. this
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// will cause ConfigLoad() to try the next config file like "toolkit.text"
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// because the user might want to edit the .config by hand
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return nil, nil
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}
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if err != nil {
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// log.Info("open config file :", err)
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return nil, err
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}
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return data, nil
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}
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func configWrite(filename string, data []byte) error {
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fullname := filepath.Join(os.Getenv("FORGE_CONFIG"), filename)
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cfgfile, err := os.OpenFile(fullname, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0644)
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defer cfgfile.Close()
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if err != nil {
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log.Warn("open config file :", err)
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return err
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}
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if filename == "toolkit.text" {
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// add header
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cfgfile.Write([]byte("\n"))
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cfgfile.Write([]byte("# you can customize your GUI toolkit user settings here\n"))
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cfgfile.Write([]byte("\n"))
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}
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cfgfile.Write(data)
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return nil
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}
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