From 2a4f9fbd5400e189da0047e6e63229e440990d03 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Sun, 27 Feb 2022 11:00:30 +0200
Subject: textwrap: Update for textwrap 0.15 API changes

---
 text/wrap/Cargo.toml             |  2 +-
 text/wrap/src/gsttextwrap/imp.rs | 48 ++++++++--------------------------------
 2 files changed, 10 insertions(+), 40 deletions(-)

(limited to 'text')

diff --git a/text/wrap/Cargo.toml b/text/wrap/Cargo.toml
index 5c5271571..8e33d9410 100644
--- a/text/wrap/Cargo.toml
+++ b/text/wrap/Cargo.toml
@@ -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]
diff --git a/text/wrap/src/gsttextwrap/imp.rs b/text/wrap/src/gsttextwrap/imp.rs
index 7572f3ad9..7db233288 100644
--- a/text/wrap/src/gsttextwrap/imp.rs
+++ b/text/wrap/src/gsttextwrap/imp.rs
@@ -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(
-- 
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