diff options
Diffstat (limited to 'hswg/main.go')
| -rw-r--r-- | hswg/main.go | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/hswg/main.go b/hswg/main.go index 7854bf5..56be51b 100644 --- a/hswg/main.go +++ b/hswg/main.go @@ -16,11 +16,8 @@ import ( "path/filepath" "regexp" "sort" - "strings" "syscall" "time" - "unicode" - "unicode/utf8" "github.com/bytesparadise/libasciidoc/pkg/configuration" "github.com/bytesparadise/libasciidoc/pkg/parser" @@ -30,51 +27,6 @@ import ( "github.com/bytesparadise/libasciidoc/pkg/validator" ) -// isTitle returns the title level if the lines seem to form a title, -// zero otherwise. Input lines may inclide trailing newlines. -func isTitle(line1, line2 []byte) int { - // This is a very naïve method, we should target graphemes (thus at least - // NFC normalize the lines first) and account for wide characters. - diff := utf8.RuneCount(line1) - utf8.RuneCount(line2) - if len(line2) < 2 || diff < -1 || diff > 1 { - return 0 - } - - // "Don't be fooled by back-to-back delimited blocks." - // Still gets fooled by other things, though. - if bytes.IndexFunc(line1, func(r rune) bool { - return unicode.IsLetter(r) || unicode.IsNumber(r) - }) < 0 { - return 0 - } - - // The underline must be homogenous. - for _, r := range bytes.TrimRight(line2, "\r\n") { - if r != line2[0] { - return 0 - } - } - return 1 + strings.IndexByte("=-~^+", line2[0]) -} - -func writeLine(w *io.PipeWriter, cur, next []byte) []byte { - if level := isTitle(cur, next); level > 0 { - w.Write(append(bytes.Repeat([]byte{'='}, level), ' ')) - next = nil - } - w.Write(cur) - return next -} - -// ConvertTitles converts AsciiDoc two-line (underlined) titles to single-line. -func ConvertTitles(w *io.PipeWriter, input []byte) { - var last []byte - for _, cur := range bytes.SplitAfter(input, []byte{'\n'}) { - last = writeLine(w, last, cur) - } - writeLine(w, last, nil) -} - // Metadata contains select metadata about a rendered document. type Metadata struct { types.Metadata |