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authorRobin Krahl <robin.krahl@ireas.org>2020-01-07 11:18:04 +0000
committerDaniel Mueller <deso@posteo.net>2020-01-08 09:20:25 -0800
commit5e20a29b4fdc8a2d442d1093681b396dcb4b816b (patch)
tree55ab083fa8999d2ccbb5e921c1ffe52560dca152 /textwrap/examples
parent203e691f46d591a2cc8acdfd850fa9f5b0fb8a98 (diff)
downloadnitrocli-5e20a29b4fdc8a2d442d1093681b396dcb4b816b.tar.gz
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Add structopt dependency in version 0.3.7
This patch series replaces argparse with structopt in the argument handling code. As a first step, we need structopt as a dependency. Import subrepo structopt/:structopt at efbdda4753592e27bc430fb01f7b9650b2f3174d Import subrepo bitflags/:bitflags at 30668016aca6bd3b02c766e8347e0b4080d4c296 Import subrepo clap/:clap at 784524f7eb193e35f81082cc69454c8c21b948f7 Import subrepo heck/:heck at 093d56fbf001e1506e56dbfa38631d99b1066df1 Import subrepo proc-macro-error/:proc-macro-error at 6c4cfe79a622c5de8ae68557993542be46eacae2 Import subrepo proc-macro2/:proc-macro2 at d5d48eddca4566e5438e8a2cbed4a74e049544de Import subrepo quote/:quote at 727436c6c137b20f0f34dde5d8fda2679b9747ad Import subrepo rustversion/:rustversion at 0c5663313516263059ce9059ef81fc7a1cf655ca Import subrepo syn-mid/:syn-mid at 5d3d85414a9e6674e1857ec22a87b96e04a6851a Import subrepo syn/:syn at e87c27e87f6f4ef8919d0372bdb056d53ef0d8f3 Import subrepo textwrap/:textwrap at abcd618beae3f74841032aa5b53c1086b0a57ca2 Import subrepo unicode-segmentation/:unicode-segmentation at 637c9874c4fe0c205ff27787faf150a40295c6c3 Import subrepo unicode-width/:unicode-width at 3033826f8bf05e82724140a981d5941e48fce393 Import subrepo unicode-xid/:unicode-xid at 4baae9fffb156ba229665b972a9cd5991787ceb7
Diffstat (limited to 'textwrap/examples')
-rw-r--r--textwrap/examples/layout.rs38
-rw-r--r--textwrap/examples/termwidth.rs41
2 files changed, 79 insertions, 0 deletions
diff --git a/textwrap/examples/layout.rs b/textwrap/examples/layout.rs
new file mode 100644
index 0000000..d36cb3a
--- /dev/null
+++ b/textwrap/examples/layout.rs
@@ -0,0 +1,38 @@
+#[cfg(feature = "hyphenation")]
+extern crate hyphenation;
+extern crate textwrap;
+
+#[cfg(feature = "hyphenation")]
+use hyphenation::{Language, Load};
+use textwrap::Wrapper;
+
+#[cfg(not(feature = "hyphenation"))]
+fn new_wrapper<'a>() -> Wrapper<'a, textwrap::HyphenSplitter> {
+ Wrapper::new(0)
+}
+
+#[cfg(feature = "hyphenation")]
+fn new_wrapper<'a>() -> Wrapper<'a, hyphenation::Standard> {
+ let dictionary = hyphenation::Standard::from_embedded(Language::EnglishUS).unwrap();
+ Wrapper::with_splitter(0, dictionary)
+}
+
+fn main() {
+ let example = "Memory safety without garbage collection. \
+ Concurrency without data races. \
+ Zero-cost abstractions.";
+ let mut prev_lines = vec![];
+ let mut wrapper = new_wrapper();
+ for width in 15..60 {
+ wrapper.width = width;
+ let lines = wrapper.wrap(example);
+ if lines != prev_lines {
+ let title = format!(" Width: {} ", width);
+ println!(".{:-^1$}.", title, width + 2);
+ for line in &lines {
+ println!("| {:1$} |", line, width);
+ }
+ prev_lines = lines;
+ }
+ }
+}
diff --git a/textwrap/examples/termwidth.rs b/textwrap/examples/termwidth.rs
new file mode 100644
index 0000000..75db3aa
--- /dev/null
+++ b/textwrap/examples/termwidth.rs
@@ -0,0 +1,41 @@
+#[cfg(feature = "hyphenation")]
+extern crate hyphenation;
+extern crate textwrap;
+
+#[cfg(feature = "hyphenation")]
+use hyphenation::{Language, Load, Standard};
+#[cfg(feature = "term_size")]
+use textwrap::Wrapper;
+
+#[cfg(not(feature = "term_size"))]
+fn main() {
+ println!("Please enable the term_size feature to run this example.");
+}
+
+#[cfg(feature = "term_size")]
+fn main() {
+ #[cfg(not(feature = "hyphenation"))]
+ fn new_wrapper<'a>() -> (&'static str, Wrapper<'a, textwrap::HyphenSplitter>) {
+ ("without hyphenation", Wrapper::with_termwidth())
+ }
+
+ #[cfg(feature = "hyphenation")]
+ fn new_wrapper<'a>() -> (&'static str, Wrapper<'a, Standard>) {
+ let dictionary = Standard::from_embedded(Language::EnglishUS).unwrap();
+ (
+ "with hyphenation",
+ Wrapper::with_splitter(textwrap::termwidth(), dictionary),
+ )
+ }
+
+ let example = "Memory safety without garbage collection. \
+ Concurrency without data races. \
+ Zero-cost abstractions.";
+ // Create a new Wrapper -- automatically set the width to the
+ // current terminal width.
+ let (msg, wrapper) = new_wrapper();
+ println!("Formatted {} in {} columns:", msg, wrapper.width);
+ println!("----");
+ println!("{}", wrapper.fill(example));
+ println!("----");
+}