neutralts/bif/
parse_bif_code.rs

1#![doc = include_str!("../../doc/bif-code.md")]
2
3use crate::{bif::constants::*, bif::Bif, bif::BifError, constants::*, utils::*};
4use std::collections::HashSet;
5
6impl<'a> Bif<'a> {
7    /*
8        {:code; ...  :}
9        {:code; {:flg; safe noparse encode_tags encode_tags_after encode_bifs :} >>  <div>...</div>  :}
10    */
11    pub(crate) fn parse_bif_code(&mut self) -> Result<(), BifError> {
12        if self.mod_filter || self.mod_negate {
13            return Err(self.bif_error(BIF_ERROR_MODIFIER_NOT_ALLOWED));
14        }
15
16        self.extract_params_code(true);
17
18        if !self.flags.is_empty() {
19            let flags_allowed: HashSet<&str> = [
20                "safe",
21                "encode_tags",
22                "encode_bifs",
23                "noparse",
24                "encode_tags_after",
25            ]
26            .into_iter()
27            .collect();
28
29            for f in self.flags.split('|').filter(|s| !s.is_empty()) {
30                if !flags_allowed.contains(f) {
31                    return Err(self.bif_error(&format!("{} flag not allowed", f)));
32                }
33            }
34        }
35
36        if self.flags.contains("|safe|") {
37            self.code = escape_chars(&unescape_chars(&self.code, false), false).to_string();
38            self.code = self.code.replace(BIF_OPEN, BIF_SANITIZE_OPEN);
39            self.code = self.code.replace(BIF_CLOSE, BIF_SANITIZE_CLOSE);
40        } else {
41            if self.flags.contains("|encode_tags|") {
42                self.code = escape_chars(&unescape_chars(&self.code, false), false).to_string();
43            }
44
45            if self.flags.contains("|encode_bifs|") {
46                self.code = self.code.replace(BIF_OPEN, BIF_SANITIZE_OPEN);
47                self.code = self.code.replace(BIF_CLOSE, BIF_SANITIZE_CLOSE);
48            }
49
50            if !self.flags.contains("|noparse|") && self.code.contains(BIF_OPEN) {
51                self.code = new_child_parse!(self, &self.code, self.mod_scope);
52            }
53        }
54
55        if self.flags.contains("|encode_tags_after|") {
56            self.code = escape_chars(&unescape_chars(&self.code, false), false).to_string();
57        }
58
59        self.out = self.code.to_string();
60
61        Ok(())
62    }
63}
64
65#[cfg(test)]
66#[path = "parse_bif_code_tests.rs"]
67mod tests;
neutralts/bif/parse_bif_code.rs

neutralts/bif/
parse_bif_code.rs
