neutralts/bif/
parse_bif_moveto.rs

1#![doc = include_str!("../../doc/bif-moveto.md")]
2
3use crate::{bif::constants::*, bif::Bif, bif::BifError, constants::*, json};
4use md5::{Digest, Md5};
5
6impl<'a> Bif<'a> {
7    /*
8        {:moveto; <tag >> ... :}
9        {:moveto; </tag >> ... :}
10    */
11    pub(crate) fn parse_bif_moveto(&mut self) -> Result<(), BifError> {
12        if self.mod_filter || self.mod_negate || self.mod_scope {
13            return Err(self.bif_error(BIF_ERROR_MODIFIER_NOT_ALLOWED));
14        }
15
16        if self.inherit.in_cache {
17            self.out = format!("{}{}{}", "{:!cache;", self.raw.to_string(), ":}");
18        } else {
19            self.out = EMPTY_STRING;
20        }
21
22        self.extract_params_code(true);
23
24        if !self.flags.is_empty() {
25            return Err(self.bif_error(BIF_ERROR_FLAGS_NOT_ALLOWED));
26        }
27
28        if self.code.contains(BIF_OPEN) {
29            self.code = new_child_parse!(self, &self.code, self.mod_scope);
30        }
31
32        self.moveto(&self.params.clone(), &self.code.clone());
33
34        Ok(())
35    }
36
37    pub(crate) fn moveto(&mut self, to: &str, code: &str) {
38        let mut moveto = json!({});
39        let mut hasher = Md5::new();
40
41        // the same code moves only once
42        hasher.update(code.replace("\n", "").replace(" ", ""));
43        let code_hash = hasher.finalize();
44        let code_hash = format!("{:x}", code_hash);
45
46        moveto[to] = json!(code);
47        self.shared.schema["__moveto"][&code_hash] = moveto;
48    }
49}
50
51#[cfg(test)]
52#[path = "parse_bif_moveto_tests.rs"]
53mod tests;
neutralts/bif/parse_bif_moveto.rs

neutralts/bif/
parse_bif_moveto.rs
