cheat/internal/config/validate.go

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package config
import (
"fmt"
)
// Validate returns an error if the config is invalid
func (c *Config) Validate() error {
// assert that an editor was specified
if c.Editor == "" {
return fmt.Errorf("config error: editor unspecified")
}
// assert that at least one cheatpath was specified
if len(c.Cheatpaths) == 0 {
return fmt.Errorf("config error: no cheatpaths specified")
}
// assert that each path and name is unique
names := make(map[string]bool)
paths := make(map[string]bool)
// assert that each cheatpath is valid
for _, cheatpath := range c.Cheatpaths {
// assert that the cheatpath is valid
if err := cheatpath.Validate(); err != nil {
return fmt.Errorf("config error: %v", err)
}
// assert that the name is unique
if _, ok := names[cheatpath.Name]; ok {
return fmt.Errorf(
"config error: cheatpath name is not unique: %s",
cheatpath.Name,
)
}
names[cheatpath.Name] = true
// assert that the path is unique
if _, ok := paths[cheatpath.Path]; ok {
return fmt.Errorf(
"config error: cheatpath path is not unique: %s",
cheatpath.Path,
)
}
paths[cheatpath.Path] = true
}
// TODO: assert valid styles?
// assert that the formatter is valid
formatters := map[string]bool{
"terminal": true,
"terminal256": true,
"terminal16m": true,
}
if _, ok := formatters[c.Formatter]; !ok {
return fmt.Errorf("config error: formatter is invalid: %s", c.Formatter)
}
return nil
}