Mercurial > repos > pointsource_algs / file comparison
comparison: build.rs
build.rs
- branch
- dev
- changeset 61
- 4f468d35fa29
- parent 6
- bcb508479948
equal
deleted
inserted
replaced
| 60:9738b51d90d7 | 61:4f468d35fa29 |
|---|---|
| 1 use regex::{Captures, Regex}; | |
| 1 use std::env; | 2 use std::env; |
| 2 use regex::{Regex, Captures}; | |
| 3 | 3 |
| 4 fn proc<A : AsRef<str>>(re : &str, str : A) -> String { | 4 fn main() { |
| 5 let need_to_escape = Regex::new(r"([_*\\])").unwrap(); | 5 process_readme(); |
| 6 Regex::new(re).unwrap().replace_all(str.as_ref(), |caps : &Captures| { | 6 // Does not seem to be needed now. |
| 7 format!("{}{}{}", | 7 //discover_gsl(); |
| 8 caps.get(1).unwrap().as_str(), | |
| 9 need_to_escape.replace_all(caps.get(2).unwrap().as_str(), "\\$1"), | |
| 10 caps.get(3).unwrap().as_str() | |
| 11 ) | |
| 12 }).to_string() | |
| 13 } | 8 } |
| 14 | 9 |
| 15 fn main() { | 10 /* |
| 11 /// Discover how to link to gsl, as the gsl crate does not provide this information | |
| 12 fn discover_gsl() { | |
| 13 pkg_config::Config::new().probe("gsl").unwrap(); | |
| 14 } | |
| 15 */ | |
| 16 | |
| 17 /// `\`-escape `_`, `*`, and ยด\\` in matches of `re` within `str`. | |
| 18 fn proc<A: AsRef<str>>(re: &str, str: A) -> String { | |
| 19 let need_to_escape = Regex::new(r"([_*\\])").unwrap(); | |
| 20 Regex::new(re) | |
| 21 .unwrap() | |
| 22 .replace_all(str.as_ref(), |caps: &Captures| { | |
| 23 format!( | |
| 24 "{}{}{}", | |
| 25 caps.get(1).unwrap().as_str(), | |
| 26 need_to_escape.replace_all(caps.get(2).unwrap().as_str(), "\\$1"), | |
| 27 caps.get(3).unwrap().as_str() | |
| 28 ) | |
| 29 }) | |
| 30 .to_string() | |
| 31 } | |
| 32 | |
| 33 /// Process the README for inclusion in documentation | |
| 34 fn process_readme() { | |
| 16 let out_dir = env::var("OUT_DIR").unwrap(); | 35 let out_dir = env::var("OUT_DIR").unwrap(); |
| 17 | 36 |
| 18 // Since rust is stuck in 80's 7-bit gringo ASCII world, so that rustdoc does not support | 37 // Since rust is stuck in 80's 7-bit gringo ASCII world, so that rustdoc does not support |
| 19 // markdown KaTeX mathematics, we have to process the README to include horrible horrible | 38 // markdown KaTeX mathematics, we have to process the README to include horrible horrible |
| 20 // horrible escapes for the math, and then use an vomit-inducingly ugly javasccript | 39 // horrible escapes for the math, and then use an vomit-inducingly ugly javasccript |
| 21 // workaround to process the math on the fly. | 40 // workaround to process the math on the fly. |
| 22 | 41 |
| 23 println!("cargo:rerun-if-changed=README.md"); | 42 println!("cargo:rerun-if-changed=README.md"); |
| 24 | 43 |
| 25 let readme = std::fs::read_to_string("README.md") | 44 let readme = std::fs::read_to_string("README.md").expect("Error reading README"); |
| 26 .expect("Error reading README"); | |
| 27 | 45 |
| 28 // Escape _, *, and \ in equations. | 46 // Escape _, *, and \ in equations. |
| 29 let readme_uglified = proc(r"(?m)([^$]\$)([^$]+)(\$[^$])", | 47 let readme_uglified = proc( |
| 30 proc(r"([^$]\$\$)([^$]+)(\$\$[^$])", readme)); | 48 r"(?m)([^$]\$)([^$]+)(\$[^$])", |
| 49 proc(r"([^$]\$\$)([^$]+)(\$\$[^$])", readme), | |
| 50 ); | |
| 31 // Remove the instructions for building the documentation | 51 // Remove the instructions for building the documentation |
| 32 let readme_cut = Regex::new("## Internals(.*|\n)*") | 52 let readme_cut = Regex::new("## Internals(.*|\n)*") |
| 33 .unwrap() | 53 .unwrap() |
| 34 .replace_all(&readme_uglified, ""); | 54 .replace_all(&readme_uglified, ""); |
| 35 | 55 |
