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textwrap: Update for textwrap 0.15 API changes

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This commit is contained in:
Sebastian Dröge 2022-02-27 11:00:30 +02:00
parent de2ea8a1b2
commit 2a4f9fbd54
2 changed files with 10 additions and 40 deletions
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2
text/wrap/Cargo.toml
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@ -10,7 +10,7 @@ repository = "https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs"
[dependencies]
once_cell = "1.0"
textwrap = { version = "0.14", features = ["hyphenation"] }
textwrap = { version = "0.15", features = ["hyphenation"] }
hyphenation = "0.8"
[dependencies.gst]

48
text/wrap/src/gsttextwrap/imp.rs
View file

@ -52,36 +52,8 @@ impl Default for Settings {
}
}
// FIXME: https://github.com/mgeisler/textwrap/issues/412
#[derive(Debug)]
struct WrappedWordSplitter(Box<dyn textwrap::word_splitters::WordSplitter + Send>);
impl textwrap::word_splitters::WordSplitter for WrappedWordSplitter {
fn split_points(&self, word: &str) -> Vec<usize> {
self.0.split_points(word)
}
}
impl Clone for WrappedWordSplitter {
fn clone(&self) -> Self {
WrappedWordSplitter(unsafe {
std::mem::transmute::<
Box<dyn textwrap::word_splitters::WordSplitter + 'static>,
Box<dyn textwrap::word_splitters::WordSplitter + Send + 'static>,
>(self.0.clone_box())
})
}
}
struct State {
options: Option<
textwrap::Options<
'static,
textwrap::wrap_algorithms::OptimalFit,
textwrap::word_separators::UnicodeBreakProperties,
WrappedWordSplitter,
>,
>,
options: Option<textwrap::Options<'static>>,
current_text: String,
start_ts: Option<gst::ClockTime>,
@ -120,7 +92,9 @@ impl TextWrap {
return;
}
state.options = if let Some(dictionary) = &settings.dictionary {
let mut options = textwrap::Options::new(settings.columns as usize);
if let Some(dictionary) = &settings.dictionary {
let dict_file = match File::open(dictionary) {
Err(err) => {
gst::error!(CAT, obj: element, "Failed to open dictionary file: {}", err);
@ -143,16 +117,12 @@ impl TextWrap {
Ok(standard) => standard,
};
Some(textwrap::Options::with_word_splitter(
settings.columns as usize,
WrappedWordSplitter(Box::new(standard)),
))
options.word_splitter = textwrap::WordSplitter::Hyphenation(standard);
} else {
Some(textwrap::Options::with_word_splitter(
settings.columns as usize,
WrappedWordSplitter(Box::new(textwrap::word_splitters::NoHyphenation)),
))
};
options.word_splitter = textwrap::WordSplitter::NoHyphenation;
}
state.options = Some(options);
}
fn sink_chain(