More work on repeated string summarization.

internal/punctuation/text_processing.go

@@ -50,8 +50,8 @@ func (p *Processor) process_token(token, level string, options TextOptions) stri
 		repeated := token
 		prefix, suffix := "", ""
 		// Progress bars commonly enclose a repeated run in brackets. Keep
-		// those delimiters under ordinary punctuation handling, and require
-		// the entire interior to repeat so paths and mixed tokens stay literal.
+		// those delimiters under ordinary punctuation handling. Inside them,
+		// summarize each run, including partially filled bars such as [####----].
 		if len(token) >= 2 {
 			for _, pair := range []string{"[]", "()", "{}", "<>"} {
 				if token[0] == pair[0] && token[len(token)-1] == pair[1] {
@@ -61,16 +61,25 @@ func (p *Processor) process_token(token, level string, options TextOptions) stri
 				}
 			}
 		}
-		char, _ := utf8.DecodeRuneInString(repeated)
-		if p.levels[level][char] && (unicode.IsPunct(char) || unicode.IsSymbol(char)) {
-			count := 0
-			for _, next := range repeated {
-				if next != char {
-					return p.Text(token, level)
-				}
-				count++
+		chars := []rune(repeated)
+		for _, char := range chars {
+			if !(unicode.IsPunct(char) || unicode.IsSymbol(char)) || prefix == "" && char != chars[0] {
+				return p.Text(token, level)
 			}
-			if count >= options.RepeatedSymbolsMin {
+		}
+		var result strings.Builder
+		summarized := false
+		for start := 0; start < len(chars); {
+			char := chars[start]
+			end := start + 1
+			for end < len(chars) && chars[end] == char {
+				end++
+			}
+			count := end - start
+			if start > 0 {
+				result.WriteByte(' ')
+			}
+			if p.levels[level][char] && count >= options.RepeatedSymbolsMin {
 				name := p.Character(char)
 				// G13's requested English summary is "5 number". Keep ordinary
 				// hash feedback, custom names and localized profile names intact.
@@ -80,8 +89,15 @@ func (p *Processor) process_token(token, level string, options TextOptions) stri
 						name = i18n.T(name)
 					}
 				}
-				return p.Text(prefix, level) + i18n.Format("{0} {1}", strconv.Itoa(count), name) + p.Text(suffix, level)
+				result.WriteString(i18n.Format("{0} {1}", strconv.Itoa(count), name))
+				summarized = true
+			} else {
+				result.WriteString(p.Text(string(chars[start:end]), level))
 			}
+			start = end
+		}
+		if summarized {
+			return p.Text(prefix, level) + result.String() + p.Text(suffix, level)
 		}
 	}
 	return p.Text(token, level)