Jacob MacDonald
88fdbea483
paired with this so the sdk roll can succeed. TEST=Fixes static errors Change-Id: Ia4e325936ea81d0d51fbf6dd939b732860d22100 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/183760 Commit-Queue: Jake Macdonald <jakemac@google.com> Reviewed-by: Ben Konyi <bkonyi@google.com> Reviewed-by: Nate Bosch <nbosch@google.com>
95 lines
2.7 KiB
Dart
95 lines
2.7 KiB
Dart
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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library src_gen_common;
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import 'package:markdown/markdown.dart';
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const int RUNE_SPACE = 32;
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const int RUNE_EOL = 10;
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const int RUNE_LEFT_CURLY = 123;
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const int RUNE_RIGHT_CURLY = 125;
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final RegExp _wsRegexp = RegExp(r'\s+');
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String collapseWhitespace(String str) => str.replaceAll(_wsRegexp, ' ');
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bool isEmphasis(Node node) => node is Element && node.tag == 'em';
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bool isPara(Node node) => node is Element && node.tag == 'p';
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bool isBlockquote(Node node) => node is Element && node.tag == 'blockquote';
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bool isPre(Node node) => node is Element && node.tag == 'pre';
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bool isList(Node node) => node is Element && node.tag == 'ul';
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bool isH1(Node node) => node is Element && node.tag == 'h1';
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bool isH3(Node node) => node is Element && node.tag == 'h3';
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bool isHeader(Node node) => node is Element && node.tag.startsWith('h');
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String textForElement(Node node) =>
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(((node as Element).children!.first) as Text).text;
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String textForCode(Node node) =>
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textForElement((node as Element).children!.first);
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/// foo ==> Foo
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String titleCase(String str) =>
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str.substring(0, 1).toUpperCase() + str.substring(1);
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/// FooBar ==> fooBar
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String lowerTitleCase(String str) =>
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str.substring(0, 1).toLowerCase() + str.substring(1);
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String joinLast(Iterable<String> strs, String join, [String? last]) {
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if (strs.isEmpty) return '';
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List list = strs.toList();
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if (list.length == 1) return list.first;
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StringBuffer buf = StringBuffer();
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for (int i = 0; i < list.length; i++) {
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if (i > 0) {
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if (i + 1 == list.length && last != null) {
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buf.write(last);
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} else {
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buf.write(join);
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}
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}
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buf.write(list[i]);
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}
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return buf.toString();
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}
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/// Wrap a string on column boundaries.
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String wrap(String str, [int col = 80]) {
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// The given string could contain newlines.
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List<String> lines = str.split('\n');
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return lines.map((l) => _simpleWrap(l, col)).join('\n');
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}
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/// Wrap a string ignoring newlines.
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String _simpleWrap(String str, [int col = 80]) {
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List<String> lines = [];
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while (str.length > col) {
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int index = col;
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while (index > 0 && str.codeUnitAt(index) != RUNE_SPACE) {
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index--;
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}
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if (index == 0) {
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index = str.indexOf(' ');
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if (index == -1) {
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lines.add(str);
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str = '';
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} else {
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lines.add(str.substring(0, index).trim());
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str = str.substring(index).trim();
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}
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} else {
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lines.add(str.substring(0, index).trim());
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str = str.substring(index).trim();
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}
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}
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if (str.isNotEmpty) lines.add(str);
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return lines.join('\n');
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}
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