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package protocol
import (
"fmt"
"strings"
)
// PatternInfo is an interface for types that represent glob patterns
type PatternInfo interface {
GetPattern() string
GetBasePath() string
isPattern() // marker method
}
// StringPattern implements PatternInfo for string patterns
type StringPattern struct {
Pattern string
}
func (p StringPattern) GetPattern() string { return p.Pattern }
func (p StringPattern) GetBasePath() string { return "" }
func (p StringPattern) isPattern() {}
// RelativePatternInfo implements PatternInfo for RelativePattern
type RelativePatternInfo struct {
RP RelativePattern
BasePath string
}
func (p RelativePatternInfo) GetPattern() string { return string(p.RP.Pattern) }
func (p RelativePatternInfo) GetBasePath() string { return p.BasePath }
func (p RelativePatternInfo) isPattern() {}
// AsPattern converts GlobPattern to a PatternInfo object
func (g *GlobPattern) AsPattern() (PatternInfo, error) {
if g.Value == nil {
return nil, fmt.Errorf("nil pattern")
}
switch v := g.Value.(type) {
case string:
return StringPattern{Pattern: v}, nil
case RelativePattern:
// Handle BaseURI which could be string or DocumentUri
basePath := ""
switch baseURI := v.BaseURI.Value.(type) {
case string:
basePath = strings.TrimPrefix(baseURI, "file://")
case DocumentUri:
basePath = strings.TrimPrefix(string(baseURI), "file://")
default:
return nil, fmt.Errorf("unknown BaseURI type: %T", v.BaseURI.Value)
}
return RelativePatternInfo{RP: v, BasePath: basePath}, nil
default:
return nil, fmt.Errorf("unknown pattern type: %T", g.Value)
}
}
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