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ANSI improvements

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* ANSI in FSE
* ANSI vs standard quote builder
* ANSI handling methods/helpers
This commit is contained in:
Bryan Ashby 2017-08-16 21:36:14 -06:00
parent 353b18ffad
commit a7060a351b
5 changed files with 270 additions and 58 deletions
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47
core/string_util.js
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@ -22,6 +22,8 @@ exports.formatByteSizeAbbr = formatByteSizeAbbr;
exports.formatByteSize = formatByteSize;
exports.cleanControlCodes = cleanControlCodes;
exports.prepAnsi = prepAnsi;
exports.isAnsi = isAnsi;
exports.splitTextAtTerms = splitTextAtTerms;
// :TODO: create Unicode verison of this
const VOWELS = [ 'a', 'e', 'i', 'o', 'u' ];
@ -324,8 +326,8 @@ function formatByteSize(byteSize, withAbbr, decimals) {
//const REGEXP_ANSI_CONTROL_CODES = /(\x1b\x5b)([\?=;0-9]*?)([0-9A-ORZcf-npsu=><])/g;
const REGEXP_ANSI_CONTROL_CODES = /(?:\x1b\x5b)([\?=;0-9]*?)([A-ORZcf-npsu=><])/g;
const ANSI_OPCODES_ALLOWED_CLEAN = [
'A', 'B', // up, down
'C', 'D', // right, left
//'A', 'B', // up, down
//'C', 'D', // right, left
'm', // color
];
@ -434,9 +436,7 @@ function prepAnsi(input, options, cb) {
break;
default :
if(-1 === [ 'C' ].indexOf(opCode)) {
console.log(`ignore opCode: ${opCode}`); // :TODO: REMOVE ME
}
break;
}
});
@ -479,14 +479,45 @@ function prepAnsi(input, options, cb) {
parser.parse(input);
}
function isAnsi(input) {
//
// * ANSI found - limited, just colors
// * Full ANSI art
// *
//
// FULL ANSI art:
// * SAUCE present & reports as ANSI art
// * ANSI clear screen within first 2-3 codes
// * ANSI movement codes (goto, right, left, etc.)
//
// *
/*
readSAUCE(input, (err, sauce) => {
if(!err && ('ANSi' === sauce.fileType || 'ANSiMation' === sauce.fileType)) {
return cb(null, 'ansi');
}
});
*/
const ANSI_DET_REGEXP = /(?:\x1b\x5b)[0-9]{1,3}[ABCDEFGJKLMSTrsuHfhlm]/g;
return ( input.match(ANSI_DET_REGEXP) || [] ).length > 4; // :TODO: do this reasonably, e.g. a percent or soemthing
}
function splitTextAtTerms(s) {
return s.split(/\r\n|[\n\v\f\r\x85\u2028\u2029]/g);
}
/*
const fs = require('graceful-fs');
//let data = fs.readFileSync('/home/nuskooler/Downloads/art3.ans');
//let data = fs.readFileSync('/home/nuskooler/dev/enigma-bbs/mods/themes/nu-xibalba/MATRIX1.ANS');
let data = fs.readFileSync('/home/nuskooler/Downloads/ansi_diz_test/file_id.diz.2.ans');
data = iconv.decode(data, 'cp437');
prepAnsi(data, { cols : 45, rows : 25 }, (err, out) => {
//let data = fs.readFileSync('/home/nuskooler/Downloads/ansi_diz_test/file_id.diz.2.ans');
let data = fs.readFileSync('/home/nuskooler/Downloads/acidunder.ans');
data = data.toString().replace(/\n/g,'\r\n');
//data = iconv.decode(data, 'cp437');
prepAnsi(data, { cols : 80, rows : 50 }, (err, out) => {
out = iconv.encode(out, 'cp437');
fs.writeFileSync('/home/nuskooler/Downloads/art4.ans', out);
});
*/