45 lines
1.4 KiB
JavaScript
45 lines
1.4 KiB
JavaScript
|
#!/usr/local/bin/node
|
||
|
|
|
||
|
|
/***
|
||
|
|
* Script for extracting compilable fragments from markdown
|
||
|
|
* documentation. See prep.js for a description of the format
|
||
|
|
* recognized by this tool. Expects a directory fragements/ to exist
|
||
|
|
* under the current directory, and writes the fragments in there as
|
||
|
|
* individual .rs files.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var fs = require("fs");
|
||
|
|
|
||
|
|
if (!process.argv[2]) {
|
||
|
|
console.log("Please provide an input file name.");
|
||
|
|
process.exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
var lines = fs.readFileSync(process.argv[2]).toString().split(/\n\r?/g);
|
||
|
|
var cur = 0, line, chapter, chapter_n;
|
||
|
|
|
||
|
|
while ((line = lines[cur++]) != null) {
|
||
|
|
var chap = line.match(/^# (.*)/);
|
||
|
|
if (chap) {
|
||
|
|
chapter = chap[1].toLowerCase().replace(/\W/g, "_");
|
||
|
|
chapter_n = 1;
|
||
|
|
} else if (/^~~~/.test(line)) {
|
||
|
|
var block = "", ignore = false;
|
||
|
|
while ((line = lines[cur++]) != null) {
|
||
|
|
if (/^\s*## (?:notrust|ignore)/.test(line)) ignore = true;
|
||
|
|
else if (/^~~~/.test(line)) break;
|
||
|
|
else block += line.replace(/^# /, "") + "\n";
|
||
|
|
}
|
||
|
|
if (!ignore) {
|
||
|
|
if (!/\bfn main\b/.test(block)) {
|
||
|
|
if (/(^|\n) *(native|use|mod|import|export)\b/.test(block))
|
||
|
|
block += "\nfn main() {}\n";
|
||
|
|
else block = "fn main() {\n" + block + "\n}\n";
|
||
|
|
}
|
||
|
|
if (!/\buse std\b/.test(block)) block = "use std;\n" + block;
|
||
|
|
var filename = "fragments/" + chapter + "_" + (chapter_n++) + ".rs";
|
||
|
|
fs.writeFileSync(filename, block);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|