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0cfeec1a31
Updated the version from 1.1 to 1.2 Renamed the header to "Slint Royalty-free Desktop, Mobile, and Web Applications License" Added definition of "Mobile Application" and grant of right Moved "Limitations" to 3rd section and "License Conditions - Attributions" to 2nd section Added flexibility to choose between showing "MadeWithSlint" as a dialog/splash screen or on a public webpage Moved the para on copyright notices to section under "Limitations"
39 lines
1.2 KiB
Rust
39 lines
1.2 KiB
Rust
// Copyright © SixtyFPS GmbH <info@slint.dev>
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// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-1.2 OR LicenseRef-Slint-commercial
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#[derive(Copy, Clone, PartialEq, Eq, Debug)]
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pub enum BreakOpportunity {
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Allowed,
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Mandatory,
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}
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#[derive(Clone)]
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pub struct LineBreakIterator<'a> {
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it: core::str::CharIndices<'a>,
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}
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impl<'a> LineBreakIterator<'a> {
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pub fn new(text: &'a str) -> Self {
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Self { it: text.char_indices() }
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}
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}
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impl<'a> Iterator for LineBreakIterator<'a> {
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type Item = (usize, BreakOpportunity);
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fn next(&mut self) -> Option<Self::Item> {
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while let Some((byte_offset, char)) = self.it.next() {
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let maybe_opportunity = match char {
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'\u{2028}' | '\u{2029}' => Some(BreakOpportunity::Mandatory), // unicode line- and paragraph separators
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'\n' => Some(BreakOpportunity::Mandatory), // ascii line break
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_ if char.is_ascii_whitespace() => Some(BreakOpportunity::Allowed),
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_ => None,
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};
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if let Some(opportunity) = maybe_opportunity {
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return Some((byte_offset + 1, opportunity));
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}
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}
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None
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}
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}
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