| // Copyright 2018 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #pragma once |
| |
| #include "garnet/public/lib/fxl/strings/string_view.h" |
| #include "garnet/public/lib/fxl/strings/utf_codecs.h" |
| |
| namespace zxdb { |
| |
| // Returns a string containing the right arrow marker for marking the current |
| // line. May be UTF-8 so size() could be > 1, but it will only be one Unicode |
| // character. |
| std::string GetRightArrow(); |
| |
| // Returns a circle symbol suitable for marking breakpoints in code listings. |
| std::string GetBreakpointMarker(); |
| std::string GetDisabledBreakpointMarker(); |
| |
| // Returns a Unicode bullet in UTF-8. |
| std::string GetBullet(); |
| |
| // Returns the number of Unicode characters in the given UTF-8 string. This |
| // attempts to predict how many spaces the given string will take up when |
| // printed to a Unicode-aware text console. |
| // |
| // NOTE: This function currently doesn't handle any combining accents which it |
| // seems modern Linux terminals do handle. It obviously doesn't handle |
| // complicated things like ligatures and Arabic which we assume you're not |
| // typing into the console and expecting to be aligned anyway. |
| size_t UnicodeCharWidth(const std::string& str); |
| |
| } // namespace zxdb |
