对打包acl的代码做了优化的修bug。曾经50秒的打包时间如今只需4秒了

This commit is contained in:
root 2023-08-30 08:29:39 +08:00
parent 519264b053
commit e97d8006a1
3 changed files with 360 additions and 319 deletions

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@ -4,99 +4,112 @@ const fs = require("fs");
const { readFile, writeFile, access } = require("fs/promises"); const { readFile, writeFile, access } = require("fs/promises");
const loadlist = async () => { const loadlist = async () => {
/* const datfile = await readFile("./list.dat"); const datfile = await readFile("./serial.json");
const records = readxml( datfile.toString("utf-8") ); const datas = JSON.parse(datfile.toString());
const inform = rec => [rec.attributes.name.slice(0,4), rec.children[1].attributes.serial||"????", rec.attributes.name.slice(7)] return Object.entries(datas).filter(n => n[1] != "????");
return records.children.filter( rec => rec.name=="game" && rec.attributes.name.charAt()!="x" ).map( inform );*/
const datfile = await readFile( "./serial.json" );
const datas = JSON.parse( datfile.toString() );
return Object.entries( datas ).filter( n=>n[1]!="????" );
} }
const trimcheat = (dat, info, order) => { const trimcheat = (dat, info, order) => {
let parts = [], start = 0, done = false; let parts = [], start = 0, done = false;
while( !done ){ while (!done) {
let pos = dat.indexOf("[GameInfo]", start); let pos = dat.indexOf("[GameInfo]", start);
if( pos > 0 ) { if (pos > 0) {
pos = dat.indexOf("[", pos + "[GameInfo]".length); pos = dat.indexOf("[", pos + "[GameInfo]".length);
if( pos > 0 ) { if (pos > 0) {
parts.push( dat.slice( start, pos ) ); parts.push(dat.slice(start, pos));
start = pos; start = pos;
} }
else { else {
parts.push( dat.slice( start, dat.length ) ); parts.push(dat.slice(start, dat.length));
done = true; done = true;
} }
} }
else { else {
parts.push( dat.slice( start, dat.length ) ); parts.push(dat.slice(start, dat.length));
done = true; done = true;
} }
} }
return parts.map( tr => readCht(tr, info, order) ); return parts.map(tr => readCht(tr, info, order));
} }
const loadcheat = async (order, serial, title, file) => { const loadcheat = async (order, serial, title, file) => {
try{ try {
const chtfile = await readFile( file ); const chtfile = await readFile(file);
const cheats = chtfile.toString("utf-8"); const cheats = chtfile.toString("utf-8");
let cheat = null; let cheat = null;
if( cheats.indexOf("[GameInfo]") != cheats.lastIndexOf("[GameInfo]") ) if (cheats.indexOf("[GameInfo]") != cheats.lastIndexOf("[GameInfo]"))
cheat = trimcheat( cheats, {serial}, order ); cheat = trimcheat(cheats, { serial }, order);
else cheat = [ readCht( cheats, {serial}, order ) ]; else cheat = [readCht(cheats, { serial }, order)];
return { serial, cheat } return { serial, cheat }
} }
catch( e ) { catch (e) {
console.log( "bad cheat: %s[order=%d]\n%s", title, order, e.stack ) console.log("bad cheat: %s[order=%d]\n%s", title, order, e.stack)
return { serial } return { serial }
}; };
} }
const format = valid => { const format = valid => {
valid.sort( (a, b) => a.serial.localeCompare(b.serial) ); valid.sort((a, b) => a.serial.localeCompare(b.serial));
console.info( `valid rom has ${valid.length}` ); console.info(`valid rom has ${valid.length}`);
valid.forEach( ({serial, cheat}) => console.debug(`${cheat.length} in ${serial}`) );
const enc = new TextEncoder(); const enc = new TextEncoder();
const align = (n, base) => base * Math.floor( (n+base-1) / base ); const size = Symbol("length");
const concat = (a,b) => { const concatUnit = 10240;
const n = new ( Object.getPrototypeOf(a).constructor )( a.length+b.length ); const align = (n, base) => base * Math.floor((n + base - 1) / base);
n.set( a, 0 ) const concat = (a, b) => {
n.set( b, a.length ); let len = (a[size] || 0) + b.length;
if (len > a.length) {
let n = new (Object.getPrototypeOf(a).constructor)(align(len, concatUnit) * 2);
n.set(a, 0);
n.set(b, a[size]);
n[size] = len;
return n; return n;
} }
const getnametable = list => list.reduce( (r,{serial, cheat}, idx, arr) => { else {
a.set(b, a[size]);
a[size] = len;
return a;
}
}
const getnametable = list => list.reduce((r, { serial, cheat }, idx, arr) => {
const val = serial.slice(0, -1); const val = serial.slice(0, -1);
if( val != r[4] ){ if (val != r[4]) {
if( r[1].length > 0 && r[2] - r[1].at(-1) > r[3] ) if (r[1][size] > 0 && r[2] - r[1].at(r[1][size] - 1) > r[3])
r[3] = r[2] - r[1].at(-1); r[3] = r[2] - r[1].at(r[1][size] - 1);
r[0] = concat( r[0], enc.encode(val) ) r[0] = concat(r[0], enc.encode(val))
r[1] = concat( r[1], [ r[2] ] ); r[1] = concat(r[1], [r[2]]);
r[4] = val; r[4] = val;
} }
r[2] = r[2] + cheat.length; r[2] = r[2] + cheat.length;
if( idx+1 == arr.length ) { if (idx + 1 == arr.length) {
if( r[2] - r[1].at(-1) > r[3] ) if (r[2] - r[1].at(r[1][size] - 1) > r[3])
r[3] = r[2] - r[1].at(-1); r[3] = r[2] - r[1].at(r[1][size] - 1);
r[1] = concat( r[1], [ r[2] ] ); r[1] = concat(r[1], [r[2]]);
} }
return r; return r;
}, [new Uint8Array(), new Uint16Array(), 0, 0, ""] ); }, [concat(new Uint8Array(concatUnit), []), concat(new Uint16Array(concatUnit), []), 0, 0, ""]);
const expandcheat = (list, base) => list.reduce( (r, {cheat, serial}) => { const expandcheat = (list, base) => list.reduce((r, { cheat, serial }) => {
const val = serial.charCodeAt(3); const val = serial.charCodeAt(3);
const [c, e] = cheat.reduce( (r,{id, bin}) => { return cheat.reduce((r, { id, bin }) => {
const off = r[2] + r[1].length; const off = r[2] + r[1][size];
r[0] = concat( r[0], [val | ( off<<3 ), id] ) r[0] = concat(r[0], [val | (off << 3), id])
r[1] = concat( r[1], bin ); r[1] = concat(r[1], bin);
return r; return r;
}, r ); }, r);
return [c, e, r[2]]; }, [concat(new Uint32Array(concatUnit), []), concat(new Uint8Array(concatUnit), []), align(base, 32)]);
}, [new Uint32Array(), new Uint8Array(), align(base, 32)] );
const [sers, offs, chtc, maxl] = getnametable( valid ); const linkbuffer = (arr, ...l) => {
const [cheats, expanded] = expandcheat( valid, 8+sers.length+offs.length*2+chtc*8 ); for (let i of l) {
console.info( `name: ${sers.length} cheats: ${chtc} maxl: ${maxl}` ); const arrBa = arr[i];
arr[i] = arrBa.slice(0, arrBa[size]);
}
return arr;
}
const [sers, offs, chtc, maxl] = linkbuffer(getnametable(valid), 0, 1);
const [cheats, expanded] = linkbuffer(expandcheat(valid, 8 + sers.length + offs.length * 2 + chtc * 8), 0, 1);
console.info(`name: ${sers.length} cheats: ${chtc} maxl: ${maxl}`);
const serialbase = 8; const serialbase = 8;
const offsetbase = serialbase + sers.length; const offsetbase = serialbase + sers.length;
@ -104,57 +117,57 @@ const format = valid => {
const expandbase = align(cheatbase + cheats.length * 4, 32); const expandbase = align(cheatbase + cheats.length * 4, 32);
const total = expandbase + expanded.length; const total = expandbase + expanded.length;
const output = new ArrayBuffer( total ); const output = new ArrayBuffer(total);
// header: magic number: ACL\1-serial length(u32) // header: magic number: ACL\1-serial length(u32)
const writter = new DataView( output ); const writter = new DataView(output);
writter.setUint8(0, "A".charCodeAt() ); writter.setUint8(0, "A".charCodeAt());
writter.setUint8(1, "C".charCodeAt() ); writter.setUint8(1, "C".charCodeAt());
writter.setUint8(2, "L".charCodeAt() ); writter.setUint8(2, "L".charCodeAt());
writter.setUint8(3, 1); writter.setUint8(3, 1);
const slen = sers.length / 3; const slen = sers.length / 3;
writter.setUint16(4, slen, true); writter.setUint16(4, slen, true);
writter.setUint16(6, maxl, true); writter.setUint16(6, maxl, true);
let ret = new Uint8Array( output ); let ret = new Uint8Array(output);
ret.set( sers, serialbase ); ret.set(sers, serialbase);
ret.set( new Uint8Array(offs.buffer), offsetbase ); ret.set(new Uint8Array(offs.buffer), offsetbase);
ret.set( new Uint8Array(cheats.buffer), cheatbase ); ret.set(new Uint8Array(cheats.buffer), cheatbase);
ret.set( expanded, expandbase ); ret.set(expanded, expandbase);
return ret; return ret;
} }
const hasfile = f => { const hasfile = f => {
try{ try {
fs.accessSync(f); fs.accessSync(f);
return true; return true;
} }
catch( e ){ catch (e) {
console.error( e.stack ) console.error(e.stack)
return false; return false;
} }
} }
const start = async () => { const start = async () => {
let list = await loadlist(); let list = await loadlist();
let roms = await Promise.all( list.map( game => { let roms = await Promise.all(list.map(game => {
const [order, serial, title] = game; const [order, serial, title] = game;
const file = `./gba/${order}.u8`; const file = `./gba/${order}.u8`;
if( hasfile(file) ) if (hasfile(file))
return loadcheat( order, serial, title ?? order, file ); return loadcheat(order, serial, title ?? order, file);
else return Promise.resolve(); else return Promise.resolve();
} ) ); }));
console.log( `all rom has ${roms.length}` ); console.log(`all rom has ${roms.length}`);
roms = Object.entries( roms.reduce( (r, data) => { roms = Object.entries(roms.reduce((r, data) => {
if( !data ) return r; if (!data) return r;
const {serial, cheat} = data; const { serial, cheat } = data;
if( !cheat || cheat.length == 0 ) return r; if (!cheat || cheat.length == 0) return r;
if( serial in r ) r[serial] = [...r[serial], ...cheat]; if (serial in r) r[serial] = [...r[serial], ...cheat];
else r[serial] = cheat; else r[serial] = cheat;
return r; return r;
}, {} ) ).map( ([serial, cheat]) => ({serial, cheat}) ); }, {})).map(([serial, cheat]) => ({ serial, cheat }));
const content = await format( roms ); const content = await format( roms );
await writeFile( "gba.acl", content ); await writeFile( "gba.acl", content );

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@ -16,323 +16,351 @@ const a = "a".charCodeAt();
const f = "f".charCodeAt(); const f = "f".charCodeAt();
const conv = new TextEncoder(); const conv = new TextEncoder();
const findIndex = (t, tr) => { const findIndex = (t, tr, tlen) => {
const tlen = t.length, rlen = tr.length; const rlen = tr.length, limit = tlen - rlen;
for( let i=0; i+rlen < tlen; ++i ){ for (let i = 0; i < limit; ++i) {
let eq = true; if (t[i + rlen] != 0) continue;
for( j=0; j < rlen; ++j ){
if( t[i+j] != tr[j] ){ let eq = true, j = 0, k = i + j;
for (; j < rlen; ++j, ++k) {
if (t[k] != tr[j]) {
eq = false; eq = false;
break; break;
} }
} }
if( eq && t[i+rlen]==0 ) return i; if (eq) return i;
} }
return -1; return -1;
} }
const read = (cht, info, order) => { const read = (cht, info, order) => {
cht = cht.replace( /[-]{4,}/g, "" ); cht = cht.replace(/[-]{4,}/g, "");
const size = cht.length; const size = cht.length;
let state = WAIT_LOCK, token = [], line = 1; let state = WAIT_LOCK, token = [], line = 1;
let locks = [], currlock = null; let locks = [], currlock = null;
const token_str = () => { let r = String.fromCharCode.apply( String, token ); return (token.length=0,r);} const token_str = () => { let r = String.fromCharCode.apply(String, token); return (token.length = 0, r); }
const error = msg => { throw new SyntaxError(`${msg} at line: ${line} in lock ${currlock?.name}`) } const error = msg => { throw new SyntaxError(`${msg} at line: ${line} in lock ${currlock?.name}`) }
for( let i=0; i <= size; ++i ){ for (let i = 0; i <= size; ++i) {
const ch = i == size ? "" : cht.charAt(i); const ch = i == size ? "" : cht.charAt(i);
switch( ch ){ switch (ch) {
case "[": case "[":
if( state == WAIT_LOCK || state == READ_HOLE ){ if (state == WAIT_LOCK || state == READ_HOLE) {
state = READ_LOCK; state = READ_LOCK;
if( currlock ) locks.push( { name: currlock.name, keys: currlock.holes } ); if (currlock) locks.push({ name: currlock.name, keys: currlock.holes });
currlock = {} currlock = {}
} }
else error(`error occur [ on ${STATE[state]}`) else error(`error occur [ on ${STATE[state]}`)
break; break;
case "]": case "]":
if( state == READ_LOCK ){ if (state == READ_LOCK) {
state = WAIT_HOLE; state = WAIT_HOLE;
currlock.name = token_str(); currlock.name = token_str();
currlock.holes = []; currlock.holes = [];
if( currlock.name.toLowerCase() == "gameinfo" ) if (currlock.name.toLowerCase() == "gameinfo")
i = size; // break; i = size; // break;
} }
else error(`error occur ] on ${STATE[state]}`) else error(`error occur ] on ${STATE[state]}`)
break; break;
case "\r": case "\n": case "\r": case "\n":
if( state == WAIT_HOLE ){ if (state == WAIT_HOLE) {
state = READ_HOLE; state = READ_HOLE;
} }
else if( state == READ_KEY ){ else if (state == READ_KEY) {
state = READ_HOLE; state = READ_HOLE;
if( token.length ) currlock.keys.at(-1).push( token_str() ); if (token.length) currlock.keys.at(-1).push(token_str());
if( !PASSHOLE.includes(currlock.hole.toLowerCase()) ) { if (!PASSHOLE.includes(currlock.hole.toLowerCase())) {
currlock.holes.push( {name: currlock.hole, cmd: currlock.keys} ); currlock.holes.push({ name: currlock.hole, cmd: currlock.keys });
} }
} }
else if( state == READ_LOCK ){ else if (state == READ_LOCK) {
error(`error occur newline on ${STATE[state]}`); error(`error occur newline on ${STATE[state]}`);
} }
else if( state == READ_HOLE ){ else if (state == READ_HOLE) {
if( token.length > 0 && token.find( c => c!=space && c!=tab ) ){ if (token.length > 0 && token.find(c => c != space && c != tab)) {
error(`error occur newline on ${STATE[state]}`); error(`error occur newline on ${STATE[state]}`);
} }
else token.length = 0; else token.length = 0;
} }
if( ch == "\n" ) ++line; if (ch == "\n") ++line;
break; break;
case "=": case "=":
if( state == READ_HOLE ){ if (state == READ_HOLE) {
state = READ_KEY; state = READ_KEY;
currlock.hole = token_str(); currlock.hole = token_str();
currlock.keys = [ new Array() ]; currlock.keys = [new Array()];
} }
else if( state == READ_LOCK ){ else if (state == READ_LOCK) {
token.push( ch.charCodeAt() ); token.push(ch.charCodeAt());
} }
else error(`error occur = on ${STATE[state]}`); else error(`error occur = on ${STATE[state]}`);
break; break;
case ",": case ",":
if( state == READ_KEY ){ if (state == READ_KEY) {
if( token.length ) currlock.keys.at(-1).push( token_str() ); if (token.length) currlock.keys.at(-1).push(token_str());
} }
else if( state == READ_HOLE ){// MULTILINE KEY else if (state == READ_HOLE) {// MULTILINE KEY
let {name, cmd} = currlock.holes.pop(); let { name, cmd } = currlock.holes.pop();
currlock.hole = name; currlock.hole = name;
currlock.keys = cmd; currlock.keys = cmd;
if( token.length ) currlock.keys.at(-1).push( token_str() ); if (token.length) currlock.keys.at(-1).push(token_str());
state = READ_KEY; state = READ_KEY;
} }
else if( state == READ_LOCK ){ else if (state == READ_LOCK) {
token.push( ch.charCodeAt() ); token.push(ch.charCodeAt());
} }
else error(`error occur , on ${STATE[state]}`); else error(`error occur , on ${STATE[state]}`);
break; break;
case ";": case ";":
if( state == READ_KEY ){ if (state == READ_KEY) {
if( token.length ) currlock.keys.at(-1).push( token_str() ); if (token.length) currlock.keys.at(-1).push(token_str());
currlock.keys.push( new Array() ); currlock.keys.push(new Array());
} }
else if( state == READ_LOCK ){ else if (state == READ_LOCK) {
token.push( ch.charCodeAt() ); token.push(ch.charCodeAt());
} }
else if( state == READ_HOLE ){// MULTILINE KEY else if (state == READ_HOLE) {// MULTILINE KEY
let {name, cmd} = currlock.holes.pop(); let { name, cmd } = currlock.holes.pop();
currlock.hole = name; currlock.hole = name;
currlock.keys = cmd; currlock.keys = cmd;
if( token.length ) currlock.keys.at(-1).push( token_str() ); if (token.length) currlock.keys.at(-1).push(token_str());
currlock.keys.push( new Array() ); currlock.keys.push(new Array());
state = READ_KEY; state = READ_KEY;
} }
else error(`error occur ; on ${STATE[state]}`); else error(`error occur ; on ${STATE[state]}`);
break; break;
case "": // END OF FILE case "": // END OF FILE
if( state == READ_KEY ){ if (state == READ_KEY) {
if( token.length ) currlock.keys.at(-1).push( token_str() ); if (token.length) currlock.keys.at(-1).push(token_str());
} }
else if( state == READ_HOLE && token.length == 0 ){ else if (state == READ_HOLE && token.length == 0) {
// safe // safe
} }
else error(`error occur eof on ${STATE[state]}`) else error(`error occur eof on ${STATE[state]}`)
break; break;
case " ": case " ":
if( state == READ_LOCK || state == READ_HOLE ){ if (state == READ_LOCK || state == READ_HOLE) {
token.push( ch.charCodeAt() ); token.push(ch.charCodeAt());
} }
else if( state == READ_KEY ){ else if (state == READ_KEY) {
if( currlock.name.toLowerCase() == "gameinfo" ){ if (currlock.name.toLowerCase() == "gameinfo") {
token.push( ch.charCodeAt() ); token.push(ch.charCodeAt());
} }
} }
break; break;
default: default:
if( state == READ_LOCK || state == READ_HOLE ){ if (state == READ_LOCK || state == READ_HOLE) {
token.push( ch.charCodeAt() ); token.push(ch.charCodeAt());
} }
else if( state == READ_KEY ){ else if (state == READ_KEY) {
let digit = ch.toLowerCase().charCodeAt(); let digit = ch.toLowerCase().charCodeAt();
if( (zero <= digit && digit <= nine) || if ((zero <= digit && digit <= nine) ||
(a <= digit && digit <= f) || (a <= digit && digit <= f) ||
currlock.name.toLowerCase() == "gameinfo" || currlock.name.toLowerCase() == "gameinfo" ||
currlock.hole.toLowerCase() == "text" ) currlock.hole.toLowerCase() == "text") {
{ token.push(digit);
token.push( digit );
} }
else error( `error occur ${ch}[${digit}] on ${STATE[state]}` ); else error(`error occur ${ch}[${digit}] on ${STATE[state]}`);
} }
else error(`error occur ${ch} on ${STATE[state]}`); else error(`error occur ${ch} on ${STATE[state]}`);
break; break;
} }
} }
return lade( locks, info, order ); return lade(locks, info, order);
} }
const assembleCheat = (list, dup, hole) => { const assembleCheat = (list, dup, hole) => {
// 建立 地址:数值 的映射关系 // 建立 地址:数值 的映射关系
const fromTaddr = taddr => { const fromTaddr = taddr => {
const n = parseInt(taddr, 16); const n = parseInt(taddr, 16);
if( n==0 || n>0x41FFFFF ) throw new Error( `get a invalid address: ${taddr}` ); if (n == 0 || n > 0x41FFFFF) throw new Error(`get a invalid address: ${taddr}`);
if( n <= 0x3ffff ) return n | 0x2000000; if (n <= 0x3ffff) return n | 0x2000000;
else if( 0 == (n & 0xf000000) ) return (n & 0xffff) | 0x3000000; else if (0 == (n & 0xf000000)) return (n & 0xffff) | 0x3000000;
else return n; else return n;
}; };
const addrval = list.reduce( (r, command) => { const addrval = list.reduce((r, command) => {
let [taddr, ...vals] = command; let [taddr, ...vals] = command;
let addr = fromTaddr( taddr ); let addr = fromTaddr(taddr);
vals.forEach( (val, pos) => { vals.forEach((val, pos) => {
let dest = addr + pos; let dest = addr + pos;
let value = parseInt(val, 16); let value = parseInt(val, 16);
r.set( dest, value ); r.set(dest, value);
} ); });
return r; return r;
}, new Map() ); }, new Map());
const ordered = [...addrval].sort( (a,b) => a[0] - b[0] ); const ordered = [...addrval].sort((a, b) => a[0] - b[0]);
const blocks = ordered.reduce( (arr, [addr, value]) => { const blocks = ordered.reduce((arr, [addr, value]) => {
dup.set(addr, hole); dup.set(addr, hole);
if( arr.length == 0 ) { if (arr.length == 0) {
arr.push({addr, value, count: 1});// cnt addr value arr.push({ addr, value, count: 1 });// cnt addr value
} }
else { else {
let cur = arr.at(-1); let cur = arr.at(-1);
if( cur.value == value ){ if (cur.value == value) {
++cur.count; ++cur.count;
} }
else arr.push( {addr, value, count: 1} ); else arr.push({ addr, value, count: 1 });
} }
return arr; return arr;
}, [] ); }, []);
return Uint32Array.from( blocks.reduce( (r,block)=>[...r, block.addr, (block.count<<8)|block.value], []) ) return Uint32Array.from(blocks.reduce((r, block) => [...r, block.addr, (block.count << 8) | block.value], []))
} }
const pack = (entlist, strlist, idxlist, cmdlist, xvalue) => { const pack = (entlist, strlist, idxlist, cmdlist, xvalue) => {
const align = (n, base) => base * Math.floor( (n+base-1) / base ); const align = (n, base) => base * Math.floor((n + base - 1) / base);
const entrysize = entlist[0].buffer.byteLength; const entrysize = entlist[0].buffer.byteLength;
const strbase = 2 + entlist.length * entrysize; const strbase = 2 + entlist.length * entrysize;
const idxbase = strbase + strlist.buffer.byteLength; const idxbase = strbase + strlist.buffer.byteLength;
const cmdbase = idxbase + idxlist.buffer.byteLength; const cmdbase = idxbase + idxlist.buffer.byteLength;
const size = cmdbase + cmdlist.buffer.byteLength;; const size = cmdbase + cmdlist.buffer.byteLength;
let result = new ArrayBuffer( align(size, 32) ); let result = new ArrayBuffer(align(size, 32));
// entry count // entry count
let view = new DataView(result); let view = new DataView(result);
view.setUint16(0, entlist.length, true); view.setUint16(0, entlist.length, true);
// entry data // entry data
entlist.forEach( (entry,index) => { entlist.forEach((entry, index) => {
let offset = 2 + index*entrysize; let offset = 2 + index * entrysize;
view.setUint32( offset, entry[0], true ); view.setUint32(offset, entry[0], true);
view.setUint32( offset+4, entry[1] + (entry[0] > 0xffff ? cmdbase : idxbase), true ); view.setUint32(offset + 4, entry[1] + (entry[0] > 0xffff ? cmdbase : idxbase), true);
view.setUint32( offset+8, entry[2], true ); view.setUint32(offset + 8, entry[2], true);
}); });
// string table // string table
let strings = new Uint8Array( result, strbase, strlist.length ); let strings = new Uint8Array(result, strbase, strlist.length);
strings.set( strlist, 0 ); strings.set(strlist, 0);
// indexes table // indexes table
let indexes = new Uint8Array( result, idxbase, idxlist.buffer.byteLength ); let indexes = new Uint8Array(result, idxbase, idxlist.buffer.byteLength);
indexes.set( new Uint8Array(idxlist.buffer), 0 ); indexes.set(new Uint8Array(idxlist.buffer), 0);
// instruction table // instruction table
let commands = new Uint8Array( result, cmdbase, cmdlist.buffer.byteLength ); let commands = new Uint8Array(result, cmdbase, cmdlist.buffer.byteLength);
commands.set( new Uint8Array(cmdlist.buffer), 0 ); commands.set(new Uint8Array(cmdlist.buffer), 0);
return { id: xvalue, bin: new Uint8Array( result ) }; return { id: xvalue, bin: new Uint8Array(result) };
} }
const lade = (list, info, order) => { const lade = (list, info, order) => {
let enttable = []; // 保存hole/key数据 let enttable = []; // 保存hole/key数据
const makeID = (a,b) => a|b<<16; const makeID = (a, b) => a | b << 16;
const makeEntry = (id, str) => ({ id, data: str }); const makeEntry = (id, str) => ({ id, data: str });
// collect // collect
const collectEntry = (id, keys, list) => { const collectEntry = (id, keys, list) => {
keys.forEach( ({name,cmd}, index) => { keys.forEach(({ name, cmd }, index) => {
list.push( name ); list.push(name);
enttable.push( makeEntry( makeID(id,index+1), cmd ) ); enttable.push(makeEntry(makeID(id, index + 1), cmd));
}); });
} }
let rootstr = []; let rootstr = [];
list.forEach( (hole,index) => { list.forEach((hole, index) => {
rootstr.push( hole.name ); rootstr.push(hole.name);
let holestr = []; let holestr = [];
collectEntry( index+1, hole.keys, holestr ); collectEntry(index + 1, hole.keys, holestr);
let entry = makeEntry( makeID(index+1,0), holestr ); let entry = makeEntry(makeID(index + 1, 0), holestr);
enttable.push( entry ); enttable.push(entry);
} ); });
enttable.push( makeEntry( makeID(0,0), rootstr ) ); enttable.push(makeEntry(makeID(0, 0), rootstr));
enttable.sort( (a,b) => a.id - b.id ); enttable.sort((a, b) => a.id - b.id);
let strtable = Uint8Array.of(); // 保存字符串常量 let strtable = new Uint8Array(1024); // 保存字符串常量
let idxtable = Uint16Array.of(); // 从字符串常量索引出来的字符串列表 let idxtable = new Uint16Array(128); // 从字符串常量索引出来的字符串列表
let cmdtable = Uint32Array.of(); // 保存选项对应指令 let cmdtable = new Uint32Array(4096); // 保存选项对应指令
const size = {"str": 0, "cmd": 0, idx: 0};
const addString = list => { const addString = list => {
const ut_pushtr = tr => { const ut_pushtr = tr => {
const off = strtable.length; const off = size.str;
let nt = new Uint8Array( off+tr.length+1 ); const len = off + tr.length + 1;
nt.set( strtable, 0 ); if (len > strtable.length) {
nt.set( tr, off ); let nt = new Uint8Array(Math.min(strtable.length * 2, off + tr.length + 1024));
nt.set(strtable, 0);
nt.set(tr, off);
strtable = nt; strtable = nt;
}
else {
strtable.set(tr, off);
}
size.str = len;
return off; return off;
}; };
const ut_addtr = tr => { const ut_addtr = tr => {
const code = conv.encode( tr ); const code = conv.encode(tr);
const off = findIndex( strtable, code ); const off = findIndex(strtable, code, size.str);
return off < 0 ? ut_pushtr( code ) : off; return off < 0 ? ut_pushtr(code) : off;
}; };
return list.map( ut_addtr ); return list.map(ut_addtr);
} }
const addStrIndex = list => { const addStrIndex = list => {
if( list.length == 0 ) return 0; if (list.length == 0) return 0;
if( strtable.length > 0xffff ) throw new RangeError(`string table is too big.`); if (size.str > 0xffff) throw new RangeError(`string table is too big.`);
let ret = idxtable.buffer.byteLength;
let nt = new Uint16Array( idxtable.length + list.length ); const ret = size.idx;
nt.set( idxtable, 0 ); const len = ret + list.length;
nt.set( list, idxtable.length ); if( len > idxtable.length )
{
let nt = new Uint16Array( Math.max( len+128, idxtable.length * 2 ) );
nt.set(idxtable, 0);
nt.set(list, ret);
idxtable = nt; idxtable = nt;
return ret; }
else {
idxtable.set( list, ret );
}
size.idx = len;
return ret * 2;
} }
const addCommand = list => { const addCommand = list => {
let ret = cmdtable.buffer.byteLength; const ret = size.cmd;
let nt = new Uint32Array( cmdtable.length + list.length ); const len = ret + list.length;
nt.set( cmdtable, 0 ); if (len > cmdtable.length) {
nt.set( list, cmdtable.length ); let n = new Uint32Array(Math.max(cmdtable.length * 8, len));
cmdtable = nt; n.set(cmdtable, 0);
return ret; n.set(list, ret);
cmdtable = n;
}
else {
cmdtable.set(list, ret);
}
size.cmd = len;
return ret * 4;
} }
if( enttable.length > 0xffff ){ if (enttable.length > 0xffff) {
console.warn(`entry 数量超过上限[file=${order}]`); console.warn(`entry 数量超过上限[file=${order}]`);
} }
// pack // pack
let holedup = new Map(); let holedup = new Map();
let entbytelist = enttable.map( entry => { let entbytelist = enttable.map(entry => {
let {id, data} = entry; let { id, data } = entry;
if( id < 0x10000 ){ // 收集str if (id < 0x10000) { // 收集str
let idxlist = addString(data.length > 1 ? data : []); // length==1就是开启 let idxlist = id == 0 ? addString( data ) : addString(data.length > 1 ? data : []); // length==1就是开启
let location = addStrIndex( idxlist ); let location = addStrIndex(idxlist);
return Uint32Array.of( id, location, idxlist.length ); return Uint32Array.of(id, location, idxlist.length);
} }
else { else {
let armbytecode = assembleCheat( data, holedup, id & 0xffff ); let armbytecode = assembleCheat(data, holedup, id & 0xffff);
let location = addCommand( armbytecode ); let location = addCommand(armbytecode);
return Uint32Array.of( id, location, armbytecode.length ); return Uint32Array.of(id, location, armbytecode.length);
} }
}); });
cmdtable = cmdtable.slice(0, size.cmd);
strtable = strtable.slice(0, size.str);
idxtable = idxtable.slice(0, size.idx);
let n = info.serial.split("").reduce( (r,v)=>(v.charCodeAt() | r<<8), 0 ); let n = info.serial.split("").reduce((r, v) => (v.charCodeAt() | r << 8), 0);
let xv = cmdtable.reduce( (r,v) => r^v, n ); let xv = cmdtable.reduce((r, v) => r ^ v, n);
return pack( entbytelist, strtable, idxtable, cmdtable, xv ); return pack(entbytelist, strtable, idxtable, cmdtable, xv);
} }
module.exports = read; module.exports = read;