config: Split files

1 files changed, 41 insertions, 0 deletions

diff --git a/config/section.go b/config/section.go
new file mode 100644
index 00000000..66adf011
--- /dev/null
+++ b/config/section.go
@@ -0,0 +1,41 @@
+package config
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"strings"
+)
+
+func (p *configParser) parseSection() error {
+	var name bytes.Buffer
+
+	for {
+		ch, err := p.nextChar()
+		if err != nil {
+			return errors.New("unexpected EOF in section header")
+		}
+
+		if ch == ']' {
+			section := name.String()
+			if !isValidSection(section) {
+				return fmt.Errorf("invalid section name: %q", section)
+			}
+
+			p.currentSection = strings.ToLower(section)
+			p.currentSubsec = ""
+
+			return nil
+		}
+
+		if isWhitespace(ch) {
+			return p.parseExtendedSection(&name)
+		}
+
+		if !isKeyChar(ch) && ch != '.' {
+			return fmt.Errorf("invalid character in section name: %q", ch)
+		}
+
+		name.WriteByte(toLower(ch))
+	}
+}