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Added an optional word delimiter. #21

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Added an optional word delimiter. #21

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19 changes: 18 additions & 1 deletion src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1899,6 +1899,7 @@ pub struct PlainTextOutput<W: ConvertToFmt> {
last_y: f64,
first_char: bool,
flip_ctm: Transform,
word_delimiter: Option<String>,
}

impl<W: ConvertToFmt> PlainTextOutput<W> {
Expand All @@ -1909,8 +1910,16 @@ impl<W: ConvertToFmt> PlainTextOutput<W> {
first_char: false,
last_y: 0.,
flip_ctm: Transform2D::identity(),
word_delimiter: None,
}
}

/// Can be useful when trying to extract table like pdf text, with a bit a
/// luck some of the output can be interpreted as CSV.
pub fn word_delimiter(&mut self, delim: Option<String>) -> &mut Self {
self.word_delimiter = delim;
self
}
}

/* There are some structural hints that PDFs can use to signal word and line endings:
Expand Down Expand Up @@ -1957,7 +1966,15 @@ impl<W: ConvertToFmt> OutputDev for PlainTextOutput<W> {
self.first_char = true;
Ok(())
}
fn end_word(&mut self) -> Result<(), OutputError> {Ok(())}

fn end_word(&mut self) -> Result<(), OutputError> {
use std::fmt::Write;
if let Some(s) = &self.word_delimiter {
write!(self.writer, "{}", s)?;
}
Ok(())
}

fn end_line(&mut self) -> Result<(), OutputError>{
//write!(self.file, "\n");
Ok(())
Expand Down