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6d73832009
This moves white space collapse to right before breaking and shaping happens, which is more similar to what happens in legacy layout. This is the first step toward making this procedure more efficient (avoiding string copies) and also implementing support for `text-transform`. Co-authored-by: Rakhi Sharma <atbrakhi@igalia.com>
55 lines
2 KiB
Rust
55 lines
2 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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mod text {
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use layout_2020::flow::text_run::WhitespaceCollapse;
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use style::computed_values::white_space::T as WhiteSpace;
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#[test]
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fn test_collapse_whitespace() {
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let collapse = |input, white_space, trim_beginning_white_space| {
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WhitespaceCollapse::new(input, white_space, trim_beginning_white_space)
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.collect::<String>()
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};
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let output = collapse("H ", WhiteSpace::Normal, false);
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assert_eq!(output, "H ");
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let output = collapse(" W", WhiteSpace::Normal, true);
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assert_eq!(output, "W");
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let output = collapse(" W", WhiteSpace::Normal, false);
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assert_eq!(output, " W");
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let output = collapse(" H W", WhiteSpace::Normal, false);
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assert_eq!(output, " H W");
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let output = collapse("\n H \n \t W", WhiteSpace::Normal, false);
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assert_eq!(output, " H W");
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let output = collapse("\n H \n \t W \n", WhiteSpace::Pre, false);
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assert_eq!(output, "\n H \n \t W \n");
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let output = collapse("\n H \n \t W \n ", WhiteSpace::PreLine, false);
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assert_eq!(output, "\nH\nW\n");
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let output = collapse("Hello \n World", WhiteSpace::PreLine, true);
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assert_eq!(output, "Hello\nWorld");
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let output = collapse(" \n World", WhiteSpace::PreLine, true);
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assert_eq!(output, "\nWorld");
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let output = collapse(" ", WhiteSpace::Normal, true);
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assert_eq!(output, "");
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let output = collapse(" ", WhiteSpace::Normal, false);
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assert_eq!(output, " ");
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let output = collapse("\n ", WhiteSpace::Normal, true);
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assert_eq!(output, "");
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let output = collapse("\n ", WhiteSpace::Normal, false);
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assert_eq!(output, " ");
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}
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}
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