diff options
Diffstat (limited to 'src/lib.rs')
| -rw-r--r-- | src/lib.rs | 91 |
1 files changed, 91 insertions, 0 deletions
@@ -204,6 +204,28 @@ impl<'a> TableSlice<'a> { pub fn printstd(&self) -> usize { self.print_tty(false) } + + /// Print table in HTML format to `out`. + pub fn print_html<T: Write + ?Sized>(&self, out: &mut T) -> Result<(), Error> { + // Compute column width + let column_num = self.get_column_num(); + out.write_all(b"<table>")?; + // Print titles / table header + if let Some(ref t) = *self.titles { + out.write_all(b"<th>")?; + t.print_html(out, column_num)?; + out.write_all(b"</th>")?; + } + // Print rows + for r in self.rows { + out.write_all(b"<tr>")?; + r.print_html(out, column_num)?; + out.write_all(b"</tr>")?; + } + out.write_all(b"</table>")?; + out.flush()?; + Ok(()) + } } impl<'a> IntoIterator for &'a TableSlice<'a> { @@ -372,6 +394,10 @@ impl Table { self.as_ref().printstd() } + /// Print table in HTML format to `out`. + pub fn print_html<T: Write + ?Sized>(&self, out: &mut T) -> Result<(), Error> { + self.as_ref().print_html(out) + } } impl Index<usize> for Table { @@ -980,4 +1006,69 @@ mod tests { assert_eq!(out, table.to_string().replace("\r\n","\n")); assert_eq!(7, table.print(&mut StringWriter::new()).unwrap()); } + + #[test] + fn table_html() { + let mut table = Table::new(); + table.add_row(Row::new(vec![Cell::new("a"), Cell::new("bc"), Cell::new("def")])); + table.add_row(Row::new(vec![Cell::new("def"), Cell::new("bc"), Cell::new("a")])); + table.set_titles(Row::new(vec![Cell::new("t1"), Cell::new("t2"), Cell::new("t3")])); + let out = "\ +<table>\ +<th><td style=\"text-align: left;\">t1</td><td style=\"text-align: left;\">t2</td><td style=\"text-align: left;\">t3</td></th>\ +<tr><td style=\"text-align: left;\">a</td><td style=\"text-align: left;\">bc</td><td style=\"text-align: left;\">def</td></tr>\ +<tr><td style=\"text-align: left;\">def</td><td style=\"text-align: left;\">bc</td><td style=\"text-align: left;\">a</td></tr>\ +</table>"; + let mut writer = StringWriter::new(); + assert!(table.print_html(&mut writer).is_ok()); + assert_eq!(writer.as_string().replace("\r\n", "\n"), out); + table.unset_titles(); + let out = "\ +<table>\ +<tr><td style=\"text-align: left;\">a</td><td style=\"text-align: left;\">bc</td><td style=\"text-align: left;\">def</td></tr>\ +<tr><td style=\"text-align: left;\">def</td><td style=\"text-align: left;\">bc</td><td style=\"text-align: left;\">a</td></tr>\ +</table>"; + let mut writer = StringWriter::new(); + assert!(table.print_html(&mut writer).is_ok()); + assert_eq!(writer.as_string().replace("\r\n", "\n"), out); + } + + #[test] + fn table_html_colors() { + let mut table = Table::new(); + table.add_row(Row::new(vec![ + Cell::new("bold").style_spec("b"), + Cell::new("italic").style_spec("i"), + Cell::new("underline").style_spec("u"), + ])); + table.add_row(Row::new(vec![ + Cell::new("left").style_spec("l"), + Cell::new("center").style_spec("c"), + Cell::new("right").style_spec("r"), + ])); + table.add_row(Row::new(vec![ + Cell::new("red").style_spec("Fr"), + Cell::new("black").style_spec("Fd"), + Cell::new("yellow").style_spec("Fy"), + ])); + table.add_row(Row::new(vec![ + Cell::new("bright magenta on cyan").style_spec("FMBc"), + Cell::new("white on bright green").style_spec("FwBG"), + Cell::new("default on blue").style_spec("Bb"), + ])); + table.set_titles(Row::new(vec![ + Cell::new("span horizontal").style_spec("H3"), + ])); + let out = "\ +<table>\ +<th><td colspan=\"3\" style=\"text-align: left;\">span horizontal</td></th>\ +<tr><td style=\"font-weight: bold;text-align: left;\">bold</td><td style=\"font-style: italic;text-align: left;\">italic</td><td style=\"text-decoration: underline;text-align: left;\">underline</td></tr>\ +<tr><td style=\"text-align: left;\">left</td><td style=\"text-align: center;\">center</td><td style=\"text-align: right;\">right</td></tr>\ +<tr><td style=\"color: #aa0000;text-align: left;\">red</td><td style=\"color: #000000;text-align: left;\">black</td><td style=\"color: #aa5500;text-align: left;\">yellow</td></tr>\ +<tr><td style=\"color: #ff55ff;background-color: #00aaaa;text-align: left;\">bright magenta on cyan</td><td style=\"color: #aaaaaa;background-color: #55ff55;text-align: left;\">white on bright green</td><td style=\"background-color: #0000aa;text-align: left;\">default on blue</td></tr>\ +</table>"; + let mut writer = StringWriter::new(); + assert!(table.print_html(&mut writer).is_ok()); + assert_eq!(writer.as_string().replace("\r\n", "\n"), out); + } } |