diff options
author | Florian Dold <florian.dold@gmail.com> | 2017-05-27 17:36:13 +0200 |
---|---|---|
committer | Florian Dold <florian.dold@gmail.com> | 2017-05-27 17:36:13 +0200 |
commit | 5f466137ad6ac596600e3ff53c9b786815398445 (patch) | |
tree | f914c221874f0b16bf3def7ac01d59d1a99a3b0b /node_modules/adm-zip/methods/inflater.js | |
parent | c9f5ac8e763eda19aa0564179300cfff76785435 (diff) |
node_modules, clean up package.json
Diffstat (limited to 'node_modules/adm-zip/methods/inflater.js')
-rw-r--r-- | node_modules/adm-zip/methods/inflater.js | 448 |
1 files changed, 0 insertions, 448 deletions
diff --git a/node_modules/adm-zip/methods/inflater.js b/node_modules/adm-zip/methods/inflater.js deleted file mode 100644 index 59536c90e..000000000 --- a/node_modules/adm-zip/methods/inflater.js +++ /dev/null @@ -1,448 +0,0 @@ -var Buffer = require("buffer").Buffer;
-
-function JSInflater(/*Buffer*/input) {
-
- var WSIZE = 0x8000,
- slide = new Buffer(0x10000),
- windowPos = 0,
- fixedTableList = null,
- fixedTableDist,
- fixedLookup,
- bitBuf = 0,
- bitLen = 0,
- method = -1,
- eof = false,
- copyLen = 0,
- copyDist = 0,
- tblList, tblDist, bitList, bitdist,
-
- inputPosition = 0,
-
- MASK_BITS = [0x0000, 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff, 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, 0xffff],
- LENS = [3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0],
- LEXT = [0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 99, 99],
- DISTS = [1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577],
- DEXT = [0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13],
- BITORDER = [16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15];
-
- function HuffTable(clen, cnum, cval, blist, elist, lookupm) {
-
- this.status = 0;
- this.root = null;
- this.maxbit = 0;
-
- var el, f, tail,
- offsets = [],
- countTbl = [],
- sTbl = [],
- values = [],
- tentry = {extra: 0, bitcnt: 0, lbase: 0, next: null};
-
- tail = this.root = null;
- for(var i = 0; i < 0x11; i++) { countTbl[i] = 0; sTbl[i] = 0; offsets[i] = 0; }
- for(i = 0; i < 0x120; i++) values[i] = 0;
-
- el = cnum > 256 ? clen[256] : 16;
-
- var pidx = -1;
- while (++pidx < cnum) countTbl[clen[pidx]]++;
-
- if(countTbl[0] == cnum) return;
-
- for(var j = 1; j <= 16; j++) if(countTbl[j] != 0) break;
- var bitLen = j;
- for(i = 16; i != 0; i--) if(countTbl[i] != 0) break;
- var maxLen = i;
-
- lookupm < j && (lookupm = j);
-
- var dCodes = 1 << j;
- for(; j < i; j++, dCodes <<= 1)
- if((dCodes -= countTbl[j]) < 0) {
- this.status = 2;
- this.maxbit = lookupm;
- return;
- }
-
- if((dCodes -= countTbl[i]) < 0) {
- this.status = 2;
- this.maxbit = lookupm;
- return;
- }
-
- countTbl[i] += dCodes;
- offsets[1] = j = 0;
- pidx = 1;
- var xp = 2;
- while(--i > 0) offsets[xp++] = (j += countTbl[pidx++]);
- pidx = 0;
- i = 0;
- do {
- (j = clen[pidx++]) && (values[offsets[j]++] = i);
- } while(++i < cnum);
- cnum = offsets[maxLen];
- offsets[0] = i = 0;
- pidx = 0;
-
- var level = -1,
- w = sTbl[0] = 0,
- cnode = null,
- tblCnt = 0,
- tblStack = [];
-
- for(; bitLen <= maxLen; bitLen++) {
- var kccnt = countTbl[bitLen];
- while(kccnt-- > 0) {
- while(bitLen > w + sTbl[1 + level]) {
- w += sTbl[1 + level];
- level++;
- tblCnt = (tblCnt = maxLen - w) > lookupm ? lookupm : tblCnt;
- if((f = 1 << (j = bitLen - w)) > kccnt + 1) {
- f -= kccnt + 1;
- xp = bitLen;
- while(++j < tblCnt) {
- if((f <<= 1) <= countTbl[++xp]) break;
- f -= countTbl[xp];
- }
- }
- if(w + j > el && w < el) j = el - w;
- tblCnt = 1 << j;
- sTbl[1 + level] = j;
- cnode = [];
- while (cnode.length < tblCnt) cnode.push({extra: 0, bitcnt: 0, lbase: 0, next: null});
- if (tail == null) {
- tail = this.root = {next:null, list:null};
- } else {
- tail = tail.next = {next:null, list:null}
- }
- tail.next = null;
- tail.list = cnode;
-
- tblStack[level] = cnode;
-
- if(level > 0) {
- offsets[level] = i;
- tentry.bitcnt = sTbl[level];
- tentry.extra = 16 + j;
- tentry.next = cnode;
- j = (i & ((1 << w) - 1)) >> (w - sTbl[level]);
-
- tblStack[level-1][j].extra = tentry.extra;
- tblStack[level-1][j].bitcnt = tentry.bitcnt;
- tblStack[level-1][j].lbase = tentry.lbase;
- tblStack[level-1][j].next = tentry.next;
- }
- }
- tentry.bitcnt = bitLen - w;
- if(pidx >= cnum)
- tentry.extra = 99;
- else if(values[pidx] < cval) {
- tentry.extra = (values[pidx] < 256 ? 16 : 15);
- tentry.lbase = values[pidx++];
- } else {
- tentry.extra = elist[values[pidx] - cval];
- tentry.lbase = blist[values[pidx++] - cval];
- }
-
- f = 1 << (bitLen - w);
- for(j = i >> w; j < tblCnt; j += f) {
- cnode[j].extra = tentry.extra;
- cnode[j].bitcnt = tentry.bitcnt;
- cnode[j].lbase = tentry.lbase;
- cnode[j].next = tentry.next;
- }
- for(j = 1 << (bitLen - 1); (i & j) != 0; j >>= 1)
- i ^= j;
- i ^= j;
- while((i & ((1 << w) - 1)) != offsets[level]) {
- w -= sTbl[level];
- level--;
- }
- }
- }
-
- this.maxbit = sTbl[1];
- this.status = ((dCodes != 0 && maxLen != 1) ? 1 : 0);
- }
-
- function addBits(n) {
- while(bitLen < n) {
- bitBuf |= input[inputPosition++] << bitLen;
- bitLen += 8;
- }
- return bitBuf;
- }
-
- function cutBits(n) {
- bitLen -= n;
- return bitBuf >>= n;
- }
-
- function maskBits(n) {
- while(bitLen < n) {
- bitBuf |= input[inputPosition++] << bitLen;
- bitLen += 8;
- }
- var res = bitBuf & MASK_BITS[n];
- bitBuf >>= n;
- bitLen -= n;
- return res;
- }
-
- function codes(buff, off, size) {
- var e, t;
- if(size == 0) return 0;
-
- var n = 0;
- for(;;) {
- t = tblList.list[addBits(bitList) & MASK_BITS[bitList]];
- e = t.extra;
- while(e > 16) {
- if(e == 99) return -1;
- cutBits(t.bitcnt);
- e -= 16;
- t = t.next[addBits(e) & MASK_BITS[e]];
- e = t.extra;
- }
- cutBits(t.bitcnt);
- if(e == 16) {
- windowPos &= WSIZE - 1;
- buff[off + n++] = slide[windowPos++] = t.lbase;
- if(n == size) return size;
- continue;
- }
- if(e == 15) break;
-
- copyLen = t.lbase + maskBits(e);
- t = tblDist.list[addBits(bitdist) & MASK_BITS[bitdist]];
- e = t.extra;
-
- while(e > 16) {
- if(e == 99) return -1;
- cutBits(t.bitcnt);
- e -= 16;
- t = t.next[addBits(e) & MASK_BITS[e]];
- e = t.extra
- }
- cutBits(t.bitcnt);
- copyDist = windowPos - t.lbase - maskBits(e);
-
- while(copyLen > 0 && n < size) {
- copyLen--;
- copyDist &= WSIZE - 1;
- windowPos &= WSIZE - 1;
- buff[off + n++] = slide[windowPos++] = slide[copyDist++];
- }
-
- if(n == size) return size;
- }
-
- method = -1; // done
- return n;
- }
-
- function stored(buff, off, size) {
- cutBits(bitLen & 7);
- var n = maskBits(0x10);
- if(n != ((~maskBits(0x10)) & 0xffff)) return -1;
- copyLen = n;
-
- n = 0;
- while(copyLen > 0 && n < size) {
- copyLen--;
- windowPos &= WSIZE - 1;
- buff[off + n++] = slide[windowPos++] = maskBits(8);
- }
-
- if(copyLen == 0) method = -1;
- return n;
- }
-
- function fixed(buff, off, size) {
- var fixed_bd = 0;
- if(fixedTableList == null) {
- var lengths = [];
-
- for(var symbol = 0; symbol < 144; symbol++) lengths[symbol] = 8;
- for(; symbol < 256; symbol++) lengths[symbol] = 9;
- for(; symbol < 280; symbol++) lengths[symbol] = 7;
- for(; symbol < 288; symbol++) lengths[symbol] = 8;
-
- fixedLookup = 7;
-
- var htbl = new HuffTable(lengths, 288, 257, LENS, LEXT, fixedLookup);
-
- if(htbl.status != 0) return -1;
-
- fixedTableList = htbl.root;
- fixedLookup = htbl.maxbit;
-
- for(symbol = 0; symbol < 30; symbol++) lengths[symbol] = 5;
- fixed_bd = 5;
-
- htbl = new HuffTable(lengths, 30, 0, DISTS, DEXT, fixed_bd);
- if(htbl.status > 1) {
- fixedTableList = null;
- return -1;
- }
- fixedTableDist = htbl.root;
- fixed_bd = htbl.maxbit;
- }
-
- tblList = fixedTableList;
- tblDist = fixedTableDist;
- bitList = fixedLookup;
- bitdist = fixed_bd;
- return codes(buff, off, size);
- }
-
- function dynamic(buff, off, size) {
- var ll = new Array(0x023C);
-
- for (var m = 0; m < 0x023C; m++) ll[m] = 0;
-
- var llencnt = 257 + maskBits(5),
- dcodescnt = 1 + maskBits(5),
- bitlencnt = 4 + maskBits(4);
-
- if(llencnt > 286 || dcodescnt > 30) return -1;
-
- for(var j = 0; j < bitlencnt; j++) ll[BITORDER[j]] = maskBits(3);
- for(; j < 19; j++) ll[BITORDER[j]] = 0;
-
- // build decoding table for trees--single level, 7 bit lookup
- bitList = 7;
- var hufTable = new HuffTable(ll, 19, 19, null, null, bitList);
- if(hufTable.status != 0)
- return -1; // incomplete code set
-
- tblList = hufTable.root;
- bitList = hufTable.maxbit;
- var lencnt = llencnt + dcodescnt,
- i = 0,
- lastLen = 0;
- while(i < lencnt) {
- var hufLcode = tblList.list[addBits(bitList) & MASK_BITS[bitList]];
- j = hufLcode.bitcnt;
- cutBits(j);
- j = hufLcode.lbase;
- if(j < 16)
- ll[i++] = lastLen = j;
- else if(j == 16) {
- j = 3 + maskBits(2);
- if(i + j > lencnt) return -1;
- while(j-- > 0) ll[i++] = lastLen;
- } else if(j == 17) {
- j = 3 + maskBits(3);
- if(i + j > lencnt) return -1;
- while(j-- > 0) ll[i++] = 0;
- lastLen = 0;
- } else {
- j = 11 + maskBits(7);
- if(i + j > lencnt) return -1;
- while(j-- > 0) ll[i++] = 0;
- lastLen = 0;
- }
- }
- bitList = 9;
- hufTable = new HuffTable(ll, llencnt, 257, LENS, LEXT, bitList);
- bitList == 0 && (hufTable.status = 1);
-
- if (hufTable.status != 0) return -1;
-
- tblList = hufTable.root;
- bitList = hufTable.maxbit;
-
- for(i = 0; i < dcodescnt; i++) ll[i] = ll[i + llencnt];
- bitdist = 6;
- hufTable = new HuffTable(ll, dcodescnt, 0, DISTS, DEXT, bitdist);
- tblDist = hufTable.root;
- bitdist = hufTable.maxbit;
-
- if((bitdist == 0 && llencnt > 257) || hufTable.status != 0) return -1;
-
- return codes(buff, off, size);
- }
-
- return {
- inflate : function(/*Buffer*/outputBuffer) {
- tblList = null;
-
- var size = outputBuffer.length,
- offset = 0, i;
-
- while(offset < size) {
- if(eof && method == -1) return;
- if(copyLen > 0) {
- if(method != 0) {
- while(copyLen > 0 && offset < size) {
- copyLen--;
- copyDist &= WSIZE - 1;
- windowPos &= WSIZE - 1;
- outputBuffer[offset++] = (slide[windowPos++] = slide[copyDist++]);
- }
- } else {
- while(copyLen > 0 && offset < size) {
- copyLen--;
- windowPos &= WSIZE - 1;
- outputBuffer[offset++] = (slide[windowPos++] = maskBits(8));
- }
- copyLen == 0 && (method = -1); // done
- }
- if (offset == size) return;
- }
-
- if(method == -1) {
- if(eof) break;
- eof = maskBits(1) != 0;
- method = maskBits(2);
- tblList = null;
- copyLen = 0;
- }
- switch(method) {
- case 0: i = stored(outputBuffer, offset, size - offset); break;
- case 1: i = tblList != null ? codes(outputBuffer, offset, size - offset) : fixed(outputBuffer, offset, size - offset); break;
- case 2: i = tblList != null ? codes(outputBuffer, offset, size - offset) : dynamic(outputBuffer, offset, size - offset); break;
- default: i = -1; break;
- }
-
- if(i == -1) return;
- offset += i;
- }
- }
- };
-}
-
-module.exports = function(/*Buffer*/inbuf) {
- var zlib = require("zlib");
- return {
- inflateAsync : function(/*Function*/callback) {
- var tmp = zlib.createInflateRaw(),
- parts = [], total = 0;
- tmp.on('data', function(data) {
- parts.push(data);
- total += data.length;
- });
- tmp.on('end', function() {
- var buf = new Buffer(total), written = 0;
- buf.fill(0);
-
- for (var i = 0; i < parts.length; i++) {
- var part = parts[i];
- part.copy(buf, written);
- written += part.length;
- }
- callback && callback(buf);
- });
- tmp.end(inbuf)
- },
-
- inflate : function(/*Buffer*/outputBuffer) {
- var x = {
- x: new JSInflater(inbuf)
- };
- x.x.inflate(outputBuffer);
- delete(x.x);
- }
- }
-};
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