diff options
| -rw-r--r-- | text.go | 88 |
1 files changed, 49 insertions, 39 deletions
@@ -87,58 +87,68 @@ func (l LineText) line() {} // Text represents a Gemini text response. type Text []Line -// Parse parses Gemini text from the provided io.Reader. -func Parse(r io.Reader) Text { - const spacetab = " \t" +// ParseText parses Gemini text from the provided io.Reader. +func ParseText(r io.Reader) Text { var t Text + ParseLines(r, func(line Line) { + t = append(t, line) + }) + return t +} + +// ParseLines parses Gemini text from the provided io.Reader. +// It calls handler with each line that it parses. +func ParseLines(r io.Reader, handler func(Line)) { + const spacetab = " \t" var pre bool scanner := bufio.NewScanner(r) for scanner.Scan() { - line := scanner.Text() - if strings.HasPrefix(line, "```") { + var line Line + text := scanner.Text() + if strings.HasPrefix(text, "```") { pre = !pre - line = line[3:] - t = append(t, LinePreformattingToggle(line)) + text = text[3:] + line = LinePreformattingToggle(text) } else if pre { - t = append(t, LinePreformattedText(line)) - } else if strings.HasPrefix(line, "=>") { - line = line[2:] - line = strings.TrimLeft(line, spacetab) - split := strings.IndexAny(line, spacetab) + line = LinePreformattedText(text) + } else if strings.HasPrefix(text, "=>") { + text = text[2:] + text = strings.TrimLeft(text, spacetab) + split := strings.IndexAny(text, spacetab) if split == -1 { - // line is a URL - t = append(t, LineLink{URL: line}) + // text is a URL + line = LineLink{URL: text} } else { - url := line[:split] - name := line[split:] + url := text[:split] + name := text[split:] name = strings.TrimLeft(name, spacetab) - t = append(t, LineLink{url, name}) + line = LineLink{url, name} } - } else if strings.HasPrefix(line, "*") { - line = line[1:] - line = strings.TrimLeft(line, spacetab) - t = append(t, LineListItem(line)) - } else if strings.HasPrefix(line, "###") { - line = line[3:] - line = strings.TrimLeft(line, spacetab) - t = append(t, LineHeading3(line)) - } else if strings.HasPrefix(line, "##") { - line = line[2:] - line = strings.TrimLeft(line, spacetab) - t = append(t, LineHeading2(line)) - } else if strings.HasPrefix(line, "#") { - line = line[1:] - line = strings.TrimLeft(line, spacetab) - t = append(t, LineHeading1(line)) - } else if strings.HasPrefix(line, ">") { - line = line[1:] - line = strings.TrimLeft(line, spacetab) - t = append(t, LineQuote(line)) + } else if strings.HasPrefix(text, "*") { + text = text[1:] + text = strings.TrimLeft(text, spacetab) + line = LineListItem(text) + } else if strings.HasPrefix(text, "###") { + text = text[3:] + text = strings.TrimLeft(text, spacetab) + line = LineHeading3(text) + } else if strings.HasPrefix(text, "##") { + text = text[2:] + text = strings.TrimLeft(text, spacetab) + line = LineHeading2(text) + } else if strings.HasPrefix(text, "#") { + text = text[1:] + text = strings.TrimLeft(text, spacetab) + line = LineHeading1(text) + } else if strings.HasPrefix(text, ">") { + text = text[1:] + text = strings.TrimLeft(text, spacetab) + line = LineQuote(text) } else { - t = append(t, LineText(line)) + line = LineText(text) } + handler(line) } - return t } // String writes the Gemini text response to a string and returns it. |