88 lines
1.4 KiB
Go
88 lines
1.4 KiB
Go
package d2format
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import (
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"strings"
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"oss.terrastruct.com/d2/d2ast"
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)
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func escapeSingleQuotedValue(s string) string {
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var b strings.Builder
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for _, r := range s {
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switch r {
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case '\'':
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b.WriteByte('\'')
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case '\n':
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// TODO: Unified string syntax.
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b.WriteByte('\\')
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b.WriteByte('n')
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continue
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}
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b.WriteRune(r)
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}
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return b.String()
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}
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func escapeDoubledQuotedValue(s string, inKey bool) string {
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var b strings.Builder
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for _, r := range s {
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switch r {
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case '"', '\\':
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b.WriteByte('\\')
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case '\n':
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b.WriteByte('\\')
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b.WriteByte('n')
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continue
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}
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if !inKey && r == '$' {
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b.WriteByte('\\')
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}
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b.WriteRune(r)
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}
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return b.String()
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}
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func escapeUnquotedValue(s string, inKey bool) string {
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if len(s) == 0 {
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return `""`
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}
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if strings.EqualFold(s, "null") {
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return "\\null"
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}
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var b strings.Builder
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for i, r := range s {
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switch r {
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case '\'', '"', '|':
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if i == 0 {
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b.WriteByte('\\')
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}
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case '\n':
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b.WriteByte('\\')
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b.WriteByte('n')
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continue
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default:
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if inKey {
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switch r {
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case '-':
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if i+1 < len(s) && s[i+1] == '-' {
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b.WriteByte('\\')
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}
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case '&':
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if i == 0 {
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b.WriteByte('\\')
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}
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default:
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if strings.ContainsRune(d2ast.UnquotedKeySpecials, r) {
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b.WriteByte('\\')
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}
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}
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} else if strings.ContainsRune(d2ast.UnquotedValueSpecials, r) {
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b.WriteByte('\\')
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}
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}
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b.WriteRune(r)
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}
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return b.String()
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}
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