First pass formatting with Prettier
* Added .prettierrc.json * Added .prettierignore * Formatted
This commit is contained in:
181
core/sauce.js
181
core/sauce.js
@@ -1,21 +1,21 @@
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/* jslint node: true */
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'use strict';
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const Errors = require('./enig_error.js').Errors;
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const Errors = require('./enig_error.js').Errors;
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// deps
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const iconv = require('iconv-lite');
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const { Parser } = require('binary-parser');
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const iconv = require('iconv-lite');
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const { Parser } = require('binary-parser');
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exports.readSAUCE = readSAUCE;
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exports.readSAUCE = readSAUCE;
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const SAUCE_SIZE = 128;
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const SAUCE_ID = Buffer.from([0x53, 0x41, 0x55, 0x43, 0x45]); // 'SAUCE'
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const SAUCE_SIZE = 128;
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const SAUCE_ID = Buffer.from([0x53, 0x41, 0x55, 0x43, 0x45]); // 'SAUCE'
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// :TODO read comments
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//const COMNT_ID = Buffer.from([0x43, 0x4f, 0x4d, 0x4e, 0x54]); // 'COMNT'
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exports.SAUCE_SIZE = SAUCE_SIZE;
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exports.SAUCE_SIZE = SAUCE_SIZE;
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// :TODO: SAUCE should be a class
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// - with getFontName()
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// - ...other methods
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@@ -24,15 +24,15 @@ exports.SAUCE_SIZE = SAUCE_SIZE;
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// See
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// http://www.acid.org/info/sauce/sauce.htm
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//
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const SAUCE_VALID_DATA_TYPES = [0, 1, 2, 3, 4, 5, 6, 7, 8 ];
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const SAUCE_VALID_DATA_TYPES = [0, 1, 2, 3, 4, 5, 6, 7, 8];
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const SAUCEParser = new Parser()
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.buffer('id', { length : 5 } )
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.buffer('version', { length : 2 } )
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.buffer('title', { length: 35 } )
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.buffer('author', { length : 20 } )
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.buffer('group', { length: 20 } )
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.buffer('date', { length: 8 } )
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.buffer('id', { length: 5 })
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.buffer('version', { length: 2 })
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.buffer('title', { length: 35 })
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.buffer('author', { length: 20 })
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.buffer('group', { length: 20 })
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.buffer('date', { length: 8 })
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.uint32le('fileSize')
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.int8('dataType')
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.int8('fileType')
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@@ -43,55 +43,55 @@ const SAUCEParser = new Parser()
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.int8('numComments')
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.int8('flags')
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// :TODO: does this need to be optional?
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.buffer('tinfos', { length: 22 } ); // SAUCE 00.5
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.buffer('tinfos', { length: 22 }); // SAUCE 00.5
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function readSAUCE(data, cb) {
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if(data.length < SAUCE_SIZE) {
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if (data.length < SAUCE_SIZE) {
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return cb(Errors.DoesNotExist('No SAUCE record present'));
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}
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let sauceRec;
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try {
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sauceRec = SAUCEParser.parse(data.slice(data.length - SAUCE_SIZE));
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} catch(e) {
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} catch (e) {
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return cb(Errors.Invalid('Invalid SAUCE record'));
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}
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if(!SAUCE_ID.equals(sauceRec.id)) {
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if (!SAUCE_ID.equals(sauceRec.id)) {
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return cb(Errors.DoesNotExist('No SAUCE record present'));
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}
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const ver = iconv.decode(sauceRec.version, 'cp437');
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if('00' !== ver) {
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if ('00' !== ver) {
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return cb(Errors.Invalid(`Unsupported SAUCE version: ${ver}`));
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}
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if(-1 === SAUCE_VALID_DATA_TYPES.indexOf(sauceRec.dataType)) {
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if (-1 === SAUCE_VALID_DATA_TYPES.indexOf(sauceRec.dataType)) {
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return cb(Errors.Invalid(`Unsupported SAUCE DataType: ${sauceRec.dataType}`));
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}
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const sauce = {
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id : iconv.decode(sauceRec.id, 'cp437'),
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version : iconv.decode(sauceRec.version, 'cp437').trim(),
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title : iconv.decode(sauceRec.title, 'cp437').trim(),
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author : iconv.decode(sauceRec.author, 'cp437').trim(),
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group : iconv.decode(sauceRec.group, 'cp437').trim(),
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date : iconv.decode(sauceRec.date, 'cp437').trim(),
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fileSize : sauceRec.fileSize,
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dataType : sauceRec.dataType,
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fileType : sauceRec.fileType,
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tinfo1 : sauceRec.tinfo1,
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tinfo2 : sauceRec.tinfo2,
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tinfo3 : sauceRec.tinfo3,
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tinfo4 : sauceRec.tinfo4,
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numComments : sauceRec.numComments,
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flags : sauceRec.flags,
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tinfos : sauceRec.tinfos,
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id: iconv.decode(sauceRec.id, 'cp437'),
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version: iconv.decode(sauceRec.version, 'cp437').trim(),
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title: iconv.decode(sauceRec.title, 'cp437').trim(),
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author: iconv.decode(sauceRec.author, 'cp437').trim(),
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group: iconv.decode(sauceRec.group, 'cp437').trim(),
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date: iconv.decode(sauceRec.date, 'cp437').trim(),
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fileSize: sauceRec.fileSize,
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dataType: sauceRec.dataType,
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fileType: sauceRec.fileType,
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tinfo1: sauceRec.tinfo1,
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tinfo2: sauceRec.tinfo2,
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tinfo3: sauceRec.tinfo3,
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tinfo4: sauceRec.tinfo4,
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numComments: sauceRec.numComments,
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flags: sauceRec.flags,
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tinfos: sauceRec.tinfos,
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};
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const dt = SAUCE_DATA_TYPES[sauce.dataType];
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if(dt && dt.parser) {
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if (dt && dt.parser) {
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sauce[dt.name] = dt.parser(sauce);
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}
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@@ -100,27 +100,27 @@ function readSAUCE(data, cb) {
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// :TODO: These need completed:
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const SAUCE_DATA_TYPES = {
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0 : { name : 'None' },
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1 : { name : 'Character', parser : parseCharacterSAUCE },
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2 : 'Bitmap',
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3 : 'Vector',
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4 : 'Audio',
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5 : 'BinaryText',
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6 : 'XBin',
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7 : 'Archive',
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8 : 'Executable',
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0: { name: 'None' },
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1: { name: 'Character', parser: parseCharacterSAUCE },
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2: 'Bitmap',
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3: 'Vector',
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4: 'Audio',
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5: 'BinaryText',
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6: 'XBin',
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7: 'Archive',
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8: 'Executable',
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};
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const SAUCE_CHARACTER_FILE_TYPES = {
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0 : 'ASCII',
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1 : 'ANSi',
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2 : 'ANSiMation',
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3 : 'RIP script',
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4 : 'PCBoard',
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5 : 'Avatar',
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6 : 'HTML',
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7 : 'Source',
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8 : 'TundraDraw',
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0: 'ASCII',
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1: 'ANSi',
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2: 'ANSiMation',
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3: 'RIP script',
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4: 'PCBoard',
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5: 'Avatar',
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6: 'HTML',
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7: 'Source',
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8: 'TundraDraw',
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};
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//
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@@ -129,32 +129,49 @@ const SAUCE_CHARACTER_FILE_TYPES = {
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// Note that this is the same mapping that x84 uses. Be compatible!
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//
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const SAUCE_FONT_TO_ENCODING_HINT = {
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'Amiga MicroKnight' : 'amiga',
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'Amiga MicroKnight+' : 'amiga',
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'Amiga mOsOul' : 'amiga',
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'Amiga P0T-NOoDLE' : 'amiga',
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'Amiga Topaz 1' : 'amiga',
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'Amiga Topaz 1+' : 'amiga',
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'Amiga Topaz 2' : 'amiga',
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'Amiga Topaz 2+' : 'amiga',
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'Atari ATASCII' : 'atari',
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'IBM EGA43' : 'cp437',
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'IBM EGA' : 'cp437',
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'IBM VGA25G' : 'cp437',
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'IBM VGA50' : 'cp437',
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'IBM VGA' : 'cp437',
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'Amiga MicroKnight': 'amiga',
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'Amiga MicroKnight+': 'amiga',
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'Amiga mOsOul': 'amiga',
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'Amiga P0T-NOoDLE': 'amiga',
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'Amiga Topaz 1': 'amiga',
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'Amiga Topaz 1+': 'amiga',
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'Amiga Topaz 2': 'amiga',
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'Amiga Topaz 2+': 'amiga',
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'Atari ATASCII': 'atari',
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'IBM EGA43': 'cp437',
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'IBM EGA': 'cp437',
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'IBM VGA25G': 'cp437',
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'IBM VGA50': 'cp437',
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'IBM VGA': 'cp437',
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};
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[
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'437', '720', '737', '775', '819', '850', '852', '855', '857', '858',
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'860', '861', '862', '863', '864', '865', '866', '869', '872'
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].forEach( page => {
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'437',
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'720',
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'737',
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'775',
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'819',
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'850',
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'852',
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'855',
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'857',
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'858',
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'860',
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'861',
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'862',
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'863',
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'864',
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'865',
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'866',
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'869',
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'872',
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].forEach(page => {
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const codec = 'cp' + page;
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SAUCE_FONT_TO_ENCODING_HINT['IBM EGA43 ' + page] = codec;
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SAUCE_FONT_TO_ENCODING_HINT['IBM EGA ' + page] = codec;
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SAUCE_FONT_TO_ENCODING_HINT['IBM VGA25g ' + page] = codec;
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SAUCE_FONT_TO_ENCODING_HINT['IBM VGA50 ' + page] = codec;
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SAUCE_FONT_TO_ENCODING_HINT['IBM VGA ' + page] = codec;
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SAUCE_FONT_TO_ENCODING_HINT['IBM EGA43 ' + page] = codec;
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SAUCE_FONT_TO_ENCODING_HINT['IBM EGA ' + page] = codec;
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SAUCE_FONT_TO_ENCODING_HINT['IBM VGA25g ' + page] = codec;
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SAUCE_FONT_TO_ENCODING_HINT['IBM VGA50 ' + page] = codec;
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SAUCE_FONT_TO_ENCODING_HINT['IBM VGA ' + page] = codec;
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});
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function parseCharacterSAUCE(sauce) {
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@@ -162,23 +179,23 @@ function parseCharacterSAUCE(sauce) {
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result.fileType = SAUCE_CHARACTER_FILE_TYPES[sauce.fileType] || 'Unknown';
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if(sauce.fileType === 0 || sauce.fileType === 1 || sauce.fileType === 2) {
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if (sauce.fileType === 0 || sauce.fileType === 1 || sauce.fileType === 2) {
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// convenience: create ansiFlags
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sauce.ansiFlags = sauce.flags;
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let i = 0;
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while(i < sauce.tinfos.length && sauce.tinfos[i] !== 0x00) {
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while (i < sauce.tinfos.length && sauce.tinfos[i] !== 0x00) {
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++i;
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}
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const fontName = iconv.decode(sauce.tinfos.slice(0, i), 'cp437');
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if(fontName.length > 0) {
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if (fontName.length > 0) {
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result.fontName = fontName;
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}
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const setDimen = (v, field) => {
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const i = parseInt(v, 10);
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if(!isNaN(i)) {
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if (!isNaN(i)) {
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result[field] = i;
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}
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};
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@@ -188,4 +205,4 @@ function parseCharacterSAUCE(sauce) {
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}
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return result;
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}
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}
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