add -w, --wrap to cli and config file

README.md

@@ -50,6 +50,7 @@ the gophersphere.
         -o, --tor              Use local Tor proxy to open all pages
         -S, -O                 Disable TLS or Tor
 
+        -w, --wrap COLUMN      Wrap long lines in "text" views at COLUMN.
         -m, --media PROGRAM    Use to open media files. Default: mpv
         -M, --no-media         Just download media files, don't download
 

doc/phetch.1

@@ -72,6 +72,12 @@ Tor default of 127.0.0.1:9050.
 Disable Tor.
 .P
 .RE
+\fB-w\fR, \fB--wrap\fR \fICOLUMN\fR
+.RS 4
+Wrap long lines in Gopher "text" views at \fICOLUMN\fR.
+Default: 0 (off)
+.P
+.RE
 \fB-m\fR, \fB--media\fR \fIPATH\fR
 .RS 4
 Use program at \fIPATH\fR to open media files (movies and sounds).

doc/phetch.1.md

@@ -49,6 +49,10 @@ If no URL is given, however, *phetch* will launch and open its default
 *-O*, *--no-tor*
 	Disable Tor.
 
+*-w*, *--wrap* _COLUMN_
+	Wrap long lines in Gopher "text" views at _COLUMN_.
+	Default: 0 (off)
+
 *-m*, *--media* _PATH_
 	Use program at _PATH_ to open media files (movies and sounds).
 	Default: mpv

src/args.rs

@@ -163,6 +163,17 @@ pub fn parse<T: AsRef<str>>(args: &[T]) -> Result<Config, ArgError> {
                 set_notor = true;
                 cfg.tor = false;
             }
+            "-w" | "--wrap" | "-wrap" => {
+                if let Some(column) = iter.next() {
+                    if let Ok(col) = column.as_ref().parse() {
+                        cfg.wrap = col;
+                    } else {
+                        return Err(ArgError::new("--wrap expects a COLUMN arg"));
+                    }
+                } else {
+                    return Err(ArgError::new("--wrap expects a COLUMN arg"));
+                }
+            }
             "-m" | "--media" | "-media" => {
                 if set_nomedia {
                     return Err(ArgError::new("can't set both --media and --no-media"));

src/config.rs

@@ -72,6 +72,8 @@ pub struct Config {
     pub encoding: Encoding,
     /// UI mode. Can't be set in conf file.
     pub mode: ui::Mode,
+    /// Column to wrap lines. 0 = off
+    pub wrap: usize,
 }
 
 impl Default for Config {
@@ -85,6 +87,7 @@ impl Default for Config {
             media: Some(DEFAULT_MEDIA_PLAYER.into()),
             encoding: Encoding::default(),
             mode: ui::Mode::default(),
+            wrap: 0,
         }
     }
 }
@@ -151,6 +154,16 @@ fn parse(text: &str) -> Result<Config> {
             "tls" => cfg.tls = to_bool(val)?,
             "tor" => cfg.tor = to_bool(val)?,
             "wide" => cfg.wide = to_bool(val)?,
+            "wrap" => {
+                if let Ok(num) = val.parse() {
+                    cfg.wrap = num;
+                } else {
+                    return Err(error!(
+                        "`wrap` expects a number value on line {}: {}",
+                        linenum, val
+                    ));
+                }
+            }
             "media" => {
                 cfg.media = match val.to_lowercase().as_ref() {
                     "false" | "none" => None,

src/main.rs

@@ -77,6 +77,7 @@ Options:
     -o, --tor              Use local Tor proxy to open all pages
     -S, -O                 Disable TLS or Tor
 
+    -w, --wrap COLUMN      Wrap long lines in \"text\" views at COLUMN.
     -m, --media PROGRAM    Use to open media files. Default: mpv
     -M, --no-media         Just download media files, don't download