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package config |
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import ( |
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"github.com/vvval/go-metadata-scanner/configuration" |
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"github.com/vvval/go-metadata-scanner/util" |
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"github.com/vvval/go-metadata-scanner/vars" |
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"gopkg.in/yaml.v2" |
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"regexp" |
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"strings" |
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) |
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type DictSchema struct { |
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Known map[string][]string `yaml:"known"` |
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Groups map[string]string `yaml:"groups"` |
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Booleans []string `yaml:"booleans"` |
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Lists []string `yaml:"lists"` |
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} |
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func (c DictConfig) Schema() configuration.Schema { |
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return DictSchema{} |
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} |
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func (s DictSchema) Parse(data []byte) (configuration.Config, error) { |
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err := yaml.Unmarshal(data, &s) |
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if err != nil { |
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return DictConfig{}, err |
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} |
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return DictConfig{ |
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known: s.Known, |
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groups: s.Groups, |
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booleans: s.Booleans, |
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lists: s.Lists, |
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}, nil |
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} |
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func (c DictConfig) MergeDefault(conf configuration.Config) configuration.Config { |
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for k, v := range conf.(DictConfig).known { |
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if _, ok := c.known[k]; !ok { |
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c.known[k] = v |
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} |
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} |
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c.booleans = util.UniqueValues(append(c.booleans, conf.(DictConfig).booleans...)) |
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c.lists = util.UniqueValues(append(c.lists, conf.(DictConfig).lists...)) |
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return c |
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} |
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type DictConfig struct { |
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known map[string][]string |
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groups map[string]string |
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booleans []string |
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lists []string |
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} |
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func (c DictConfig) Find(name string) (vars.Tag, bool) { |
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if tag, found := known(name, c.known); found { |
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return tag, found |
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} |
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for _, b := range c.booleans { |
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if strings.EqualFold(b, name) { |
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return found("", name, []string{name}) |
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} |
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} |
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for _, l := range c.lists { |
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if strings.EqualFold(l, name) { |
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return found("", name, []string{name}) |
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} |
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} |
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var reg = ®exp.Regexp{} |
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for key, expr := range c.groups { |
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reg = regexp.MustCompile("(?i)^" + expr + "$") |
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if reg.MatchString(name) { |
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return known(key, c.known) |
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} |
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} |
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return notFound(name) |
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} |
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func (c DictConfig) IsBoolean(key, tag string) bool { |
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return oneOf(key, tag, c.booleans) |
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} |
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func (c DictConfig) IsList(key, tag string) bool { |
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return oneOf(key, tag, c.lists) |
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} |
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func known(name string, lists map[string][]string) (vars.Tag, bool) { |
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for key, list := range lists { |
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if strings.EqualFold(key, name) { |
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return found(key, name, list) |
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} |
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for _, val := range list { |
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if tagEquals(val, name) { |
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return found(key, name, list) |
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} |
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} |
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} |
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return notFound(name) |
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} |
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func found(key, name string, list []string) (vars.Tag, bool) { |
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return vars.NewFoundTag(key, name, list), true |
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} |
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func notFound(name string) (vars.Tag, bool) { |
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return vars.NewNotFoundTag(name), false |
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} |
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func oneOf(key, tag string, set []string) bool { |
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for _, val := range set { |
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if strings.EqualFold(tag, val) || strings.EqualFold(key, val) { |
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return true |
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} |
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} |
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return false |
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} |
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// Name or truncated name (without "<GROUP>:" prefix) equals |
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// Tag argument is a tag name from the dict |
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// Name argument is a searchable input+ |
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func tagEquals(tag, name string) bool { |
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return strings.EqualFold(tag, name) || strings.EqualFold(tag, truncatePrefix(name)) |
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} |
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// Cut "<group>:" prefix if found |
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func truncatePrefix(tag string) string { |
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prefixEnding := strings.Index(tag, ":") |
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if prefixEnding == -1 { |
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return tag |
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} |
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runes := []rune(tag) |
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return string(runes[prefixEnding+1:]) |
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} |
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