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package config
import (
"bytes"
"errors"
"fmt"
"io"
"strings"
)
func (p *configParser) parseExtendedSection(sectionName *bytes.Buffer) error {
for {
ch, err := p.nextChar()
if errors.Is(err, io.EOF) {
return p.parseError("unexpected EOF in section header")
}
if err != nil {
return err
}
if !isWhitespace(ch) {
if ch != '"' {
return p.parseError("expected quote after section name")
}
break
}
}
var subsec bytes.Buffer
for {
ch, err := p.nextChar()
if errors.Is(err, io.EOF) {
return p.parseError("unexpected EOF in subsection")
}
if err != nil {
return err
}
if ch == '\n' {
return p.parseError("newline in subsection")
}
if ch == '"' {
break
}
if ch == '\\' {
next, err := p.nextChar()
if errors.Is(err, io.EOF) {
return p.parseError("unexpected EOF after backslash in subsection")
}
if err != nil {
return err
}
if next == '\n' {
return p.parseError("newline after backslash in subsection")
}
subsec.WriteByte(next)
} else {
subsec.WriteByte(ch)
}
}
ch, err := p.nextChar()
if errors.Is(err, io.EOF) {
return p.parseError("unexpected EOF after subsection")
}
if err != nil {
return err
}
if ch != ']' {
return p.parseError(fmt.Sprintf("expected ']' after subsection, got %q", ch))
}
section := sectionName.String()
if !isValidSection(section) {
return p.parseError(fmt.Sprintf("invalid section name: %q", section))
}
p.currentSection = strings.ToLower(section)
p.currentSubsec = subsec.String()
return nil
}
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