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package ucd
import (
"fmt"
"io"
)
type Scripts struct {
Script map[string][]*CodePointRange
ScriptDefaultRange *CodePointRange
ScriptDefaultValue string
}
// ParseScripts parses the Scripts.txt.
func ParseScripts(r io.Reader, propValAliases *PropertyValueAliases) (*Scripts, error) {
ss := map[string][]*CodePointRange{}
var defaultRange *CodePointRange
var defaultValue string
p := newParser(r)
for p.parse() {
if len(p.fields) > 0 {
cp, err := p.fields[0].codePointRange()
if err != nil {
return nil, err
}
name, ok := propValAliases.Script[p.fields[1].normalizedSymbol()]
if !ok {
return nil, fmt.Errorf("unknown property: %v", p.fields[1].symbol())
}
ss[name] = append(ss[name], cp)
}
if len(p.defaultFields) > 0 {
var err error
defaultRange, err = p.defaultFields[0].codePointRange()
if err != nil {
return nil, err
}
defaultValue = p.defaultFields[1].normalizedSymbol()
}
}
if p.err != nil {
return nil, p.err
}
return &Scripts{
Script: ss,
ScriptDefaultRange: defaultRange,
ScriptDefaultValue: defaultValue,
}, nil
}
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