internal int proc(InfBlocks s, ZStream z, int r) { int num1; int num10; int num4 = 0; int num5 = 0; int num6 = 0; num6 = z.next_in_index; int num7 = z.avail_in; num4 = s.bitb; num5 = s.bitk; int num8 = s.write; int num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); Label_0051: switch (this.mode) { case 0: if ((num9 < 0x102) || (num7 < 10)) { break; } s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; r = this.inflate_fast(this.lbits, this.dbits, this.ltree, this.ltree_index, this.dtree, this.dtree_index, s, z); num6 = z.next_in_index; num7 = z.avail_in; num4 = s.bitb; num5 = s.bitk; num8 = s.write; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); if (r == 0) { break; } this.mode = (r == 1) ? 7 : 9; goto Label_0051; case 1: goto Label_0199; case 2: num1 = this.get_Renamed; while (num5 < num1) { if (num7 != 0) { r = 0; } else { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); } num7--; num4 |= (z.next_in[num6++] & 0xff) << (num5 & 0x1f); num5 += 8; } this.len += num4 & InfCodes.inflate_mask[num1]; num4 = num4 >> (num1 & 0x1f); num5 -= num1; this.need = this.dbits; this.tree = this.dtree; this.tree_index = this.dtree_index; this.mode = 3; goto Label_0412; case 3: goto Label_0412; case 4: num1 = this.get_Renamed; while (num5 < num1) { if (num7 != 0) { r = 0; } else { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); } num7--; num4 |= (z.next_in[num6++] & 0xff) << (num5 & 0x1f); num5 += 8; } this.dist += num4 & InfCodes.inflate_mask[num1]; num4 = num4 >> (num1 & 0x1f); num5 -= num1; this.mode = 5; goto Label_0635; case 5: goto Label_0635; case 6: if (num9 == 0) { if ((num8 == s.end) && (s.read != 0)) { num8 = 0; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); } if (num9 == 0) { s.write = num8; r = s.inflate_flush(z, r); num8 = s.write; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); if ((num8 == s.end) && (s.read != 0)) { num8 = 0; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); } if (num9 == 0) { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); } } } r = 0; s.window[num8++] = (byte)this.lit; num9--; this.mode = 0; goto Label_0051; case 7: if (num5 > 7) { num5 -= 8; num7++; num6--; } s.write = num8; r = s.inflate_flush(z, r); num8 = s.write; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); if (s.read != s.write) { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); } this.mode = 8; goto Label_098A; case 8: goto Label_098A; case 9: r = -3; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); default: r = -2; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); } this.need = this.lbits; this.tree = this.ltree; this.tree_index = this.ltree_index; this.mode = 1; Label_0199: num1 = this.need; while (num5 < num1) { if (num7 != 0) { r = 0; } else { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); } num7--; num4 |= (z.next_in[num6++] & 0xff) << (num5 & 0x1f); num5 += 8; } int num2 = (this.tree_index + (num4 & InfCodes.inflate_mask[num1])) * 3; num4 = SupportClass.URShift(num4, this.tree[num2 + 1]); num5 -= this.tree[num2 + 1]; int num3 = this.tree[num2]; if (num3 == 0) { this.lit = this.tree[num2 + 2]; this.mode = 6; goto Label_0051; } if ((num3 & 0x10) != 0) { this.get_Renamed = num3 & 15; this.len = this.tree[num2 + 2]; this.mode = 2; goto Label_0051; } if ((num3 & 0x40) == 0) { this.need = num3; this.tree_index = (num2 / 3) + this.tree[num2 + 2]; goto Label_0051; } if ((num3 & 0x20) != 0) { this.mode = 7; goto Label_0051; } this.mode = 9; z.msg = "invalid literal/length code"; r = -3; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); Label_0412: num1 = this.need; while (num5 < num1) { if (num7 != 0) { r = 0; } else { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); } num7--; num4 |= (z.next_in[num6++] & 0xff) << (num5 & 0x1f); num5 += 8; } num2 = (this.tree_index + (num4 & InfCodes.inflate_mask[num1])) * 3; num4 = num4 >> (this.tree[num2 + 1] & 0x1f); num5 -= this.tree[num2 + 1]; num3 = this.tree[num2]; if ((num3 & 0x10) != 0) { this.get_Renamed = num3 & 15; this.dist = this.tree[num2 + 2]; this.mode = 4; goto Label_0051; } if ((num3 & 0x40) == 0) { this.need = num3; this.tree_index = (num2 / 3) + this.tree[num2 + 2]; goto Label_0051; } this.mode = 9; z.msg = "invalid distance code"; r = -3; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); Label_0635: num10 = num8 - this.dist; while (num10 < 0) { num10 += s.end; } while (this.len != 0) { if (num9 == 0) { if ((num8 == s.end) && (s.read != 0)) { num8 = 0; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); } if (num9 == 0) { s.write = num8; r = s.inflate_flush(z, r); num8 = s.write; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); if ((num8 == s.end) && (s.read != 0)) { num8 = 0; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); } if (num9 == 0) { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); } } } s.window[num8++] = s.window[num10++]; num9--; if (num10 == s.end) { num10 = 0; } this.len--; } this.mode = 0; goto Label_0051; Label_098A: r = 1; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return(s.inflate_flush(z, r)); }
internal int proc(InfBlocks s, ZStream z, int r) { int j; // temporary storage //int[] t; // temporary pointer int tindex; // temporary pointer int e; // extra bits or operation int b = 0; // bit buffer int k = 0; // bits in bit buffer int p = 0; // input data pointer int n; // bytes available there int q; // output window write pointer int m; // bytes to end of window or read pointer int f; // pointer to copy strings from // copy input/output information to locals (UPDATE macro restores) p = z.next_in_index; n = z.avail_in; b = s.bitb; k = s.bitk; q = s.write; m = q < s.read ? s.read - q - 1 : s.end - q; // process input and output based on current state while (true) { switch (mode) { // waiting for "i:"=input, "o:"=output, "x:"=nothing case START: // x: set up for LEN if (m >= 258 && n >= 10) { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; r = inflate_fast(lbits, dbits, ltree, ltree_index, dtree, dtree_index, s, z); p = z.next_in_index; n = z.avail_in; b = s.bitb; k = s.bitk; q = s.write; m = q < s.read ? s.read - q - 1 : s.end - q; if (r != Z_OK) { mode = r == Z_STREAM_END ? WASH : BADCODE; break; } } need = lbits; tree = ltree; tree_index = ltree_index; mode = LEN; goto case LEN; case LEN: // i: get length/literal/eob next j = need; while (k < (j)) { if (n != 0) r = Z_OK; else { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); } n--; b |= (z.next_in[p++] & 0xff) << k; k += 8; } tindex = (tree_index + (b & inflate_mask[j])) * 3; b = SupportClass.URShift(b, (tree[tindex + 1])); k -= (tree[tindex + 1]); e = tree[tindex]; if (e == 0) { // literal lit = tree[tindex + 2]; mode = LIT; break; } if ((e & 16) != 0) { // length get_Renamed = e & 15; len = tree[tindex + 2]; mode = LENEXT; break; } if ((e & 64) == 0) { // next table need = e; tree_index = tindex / 3 + tree[tindex + 2]; break; } if ((e & 32) != 0) { // end of block mode = WASH; break; } mode = BADCODE; // invalid code z.msg = "invalid literal/length code"; r = Z_DATA_ERROR; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); case LENEXT: // i: getting length extra (have base) j = get_Renamed; while (k < (j)) { if (n != 0) r = Z_OK; else { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); } n--; b |= (z.next_in[p++] & 0xff) << k; k += 8; } len += (b & inflate_mask[j]); b >>= j; k -= j; need = dbits; tree = dtree; tree_index = dtree_index; mode = DIST; goto case DIST; case DIST: // i: get distance next j = need; while (k < (j)) { if (n != 0) r = Z_OK; else { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); } n--; b |= (z.next_in[p++] & 0xff) << k; k += 8; } tindex = (tree_index + (b & inflate_mask[j])) * 3; b >>= tree[tindex + 1]; k -= tree[tindex + 1]; e = (tree[tindex]); if ((e & 16) != 0) { // distance get_Renamed = e & 15; dist = tree[tindex + 2]; mode = DISTEXT; break; } if ((e & 64) == 0) { // next table need = e; tree_index = tindex / 3 + tree[tindex + 2]; break; } mode = BADCODE; // invalid code z.msg = "invalid distance code"; r = Z_DATA_ERROR; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); case DISTEXT: // i: getting distance extra j = get_Renamed; while (k < (j)) { if (n != 0) r = Z_OK; else { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); } n--; b |= (z.next_in[p++] & 0xff) << k; k += 8; } dist += (b & inflate_mask[j]); b >>= j; k -= j; mode = COPY; goto case COPY; case COPY: // o: copying bytes in window, waiting for space f = q - dist; while (f < 0) { // modulo window size-"while" instead f += s.end; // of "if" handles invalid distances } while (len != 0) { if (m == 0) { if (q == s.end && s.read != 0) { q = 0; m = q < s.read ? s.read - q - 1 : s.end - q; } if (m == 0) { s.write = q; r = s.inflate_flush(z, r); q = s.write; m = q < s.read ? s.read - q - 1 : s.end - q; if (q == s.end && s.read != 0) { q = 0; m = q < s.read ? s.read - q - 1 : s.end - q; } if (m == 0) { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); } } } s.window[q++] = s.window[f++]; m--; if (f == s.end) f = 0; len--; } mode = START; break; case LIT: // o: got literal, waiting for output space if (m == 0) { if (q == s.end && s.read != 0) { q = 0; m = q < s.read ? s.read - q - 1 : s.end - q; } if (m == 0) { s.write = q; r = s.inflate_flush(z, r); q = s.write; m = q < s.read ? s.read - q - 1 : s.end - q; if (q == s.end && s.read != 0) { q = 0; m = q < s.read ? s.read - q - 1 : s.end - q; } if (m == 0) { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); } } } r = Z_OK; s.window[q++] = (byte)lit; m--; mode = START; break; case WASH: // o: got eob, possibly more output if (k > 7) { // return unused byte, if any k -= 8; n++; p--; // can always return one } s.write = q; r = s.inflate_flush(z, r); q = s.write; m = q < s.read ? s.read - q - 1 : s.end - q; if (s.read != s.write) { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); } mode = END; goto case END; case END: r = Z_STREAM_END; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); case BADCODE: // x: got error r = Z_DATA_ERROR; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); default: r = Z_STREAM_ERROR; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return s.inflate_flush(z, r); } } }
internal int proc(InfBlocks s, ZStream z, int r) { int j; // temporary storage //int[] t; // temporary pointer int tindex; // temporary pointer int e; // extra bits or operation int b = 0; // bit buffer int k = 0; // bits in bit buffer int p = 0; // input data pointer int n; // bytes available there int q; // output window write pointer int m; // bytes to end of window or read pointer int f; // pointer to copy strings from // copy input/output information to locals (UPDATE macro restores) p = z.next_in_index; n = z.avail_in; b = s.bitb; k = s.bitk; q = s.write; m = q < s.read?s.read - q - 1:s.end - q; // process input and output based on current state while (true) { switch (mode) { // waiting for "i:"=input, "o:"=output, "x:"=nothing case START: // x: set up for LEN if (m >= 258 && n >= 10) { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; r = inflate_fast(lbits, dbits, ltree, ltree_index, dtree, dtree_index, s, z); p = z.next_in_index; n = z.avail_in; b = s.bitb; k = s.bitk; q = s.write; m = q < s.read?s.read - q - 1:s.end - q; if (r != Z_OK) { mode = r == Z_STREAM_END?WASH:BADCODE; break; } } need = lbits; tree = ltree; tree_index = ltree_index; mode = LEN; goto case LEN; case LEN: // i: get length/literal/eob next j = need; while (k < (j)) { if (n != 0) { r = Z_OK; } else { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); } n--; b |= (z.next_in[p++] & 0xff) << k; k += 8; } tindex = (tree_index + (b & inflate_mask[j])) * 3; b = SupportClass.URShift(b, (tree[tindex + 1])); k -= (tree[tindex + 1]); e = tree[tindex]; if (e == 0) { // literal lit = tree[tindex + 2]; mode = LIT; break; } if ((e & 16) != 0) { // length get_Renamed = e & 15; len = tree[tindex + 2]; mode = LENEXT; break; } if ((e & 64) == 0) { // next table need = e; tree_index = tindex / 3 + tree[tindex + 2]; break; } if ((e & 32) != 0) { // end of block mode = WASH; break; } mode = BADCODE; // invalid code z.msg = "invalid literal/length code"; r = Z_DATA_ERROR; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); case LENEXT: // i: getting length extra (have base) j = get_Renamed; while (k < (j)) { if (n != 0) { r = Z_OK; } else { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); } n--; b |= (z.next_in[p++] & 0xff) << k; k += 8; } len += (b & inflate_mask[j]); b >>= j; k -= j; need = dbits; tree = dtree; tree_index = dtree_index; mode = DIST; goto case DIST; case DIST: // i: get distance next j = need; while (k < (j)) { if (n != 0) { r = Z_OK; } else { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); } n--; b |= (z.next_in[p++] & 0xff) << k; k += 8; } tindex = (tree_index + (b & inflate_mask[j])) * 3; b >>= tree[tindex + 1]; k -= tree[tindex + 1]; e = (tree[tindex]); if ((e & 16) != 0) { // distance get_Renamed = e & 15; dist = tree[tindex + 2]; mode = DISTEXT; break; } if ((e & 64) == 0) { // next table need = e; tree_index = tindex / 3 + tree[tindex + 2]; break; } mode = BADCODE; // invalid code z.msg = "invalid distance code"; r = Z_DATA_ERROR; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); case DISTEXT: // i: getting distance extra j = get_Renamed; while (k < (j)) { if (n != 0) { r = Z_OK; } else { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); } n--; b |= (z.next_in[p++] & 0xff) << k; k += 8; } dist += (b & inflate_mask[j]); b >>= j; k -= j; mode = COPY; goto case COPY; case COPY: // o: copying bytes in window, waiting for space f = q - dist; while (f < 0) { // modulo window size-"while" instead f += s.end; // of "if" handles invalid distances } while (len != 0) { if (m == 0) { if (q == s.end && s.read != 0) { q = 0; m = q < s.read?s.read - q - 1:s.end - q; } if (m == 0) { s.write = q; r = s.inflate_flush(z, r); q = s.write; m = q < s.read?s.read - q - 1:s.end - q; if (q == s.end && s.read != 0) { q = 0; m = q < s.read?s.read - q - 1:s.end - q; } if (m == 0) { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); } } } s.window[q++] = s.window[f++]; m--; if (f == s.end) { f = 0; } len--; } mode = START; break; case LIT: // o: got literal, waiting for output space if (m == 0) { if (q == s.end && s.read != 0) { q = 0; m = q < s.read?s.read - q - 1:s.end - q; } if (m == 0) { s.write = q; r = s.inflate_flush(z, r); q = s.write; m = q < s.read?s.read - q - 1:s.end - q; if (q == s.end && s.read != 0) { q = 0; m = q < s.read?s.read - q - 1:s.end - q; } if (m == 0) { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); } } } r = Z_OK; s.window[q++] = (byte)lit; m--; mode = START; break; case WASH: // o: got eob, possibly more output if (k > 7) { // return unused byte, if any k -= 8; n++; p--; // can always return one } s.write = q; r = s.inflate_flush(z, r); q = s.write; m = q < s.read?s.read - q - 1:s.end - q; if (s.read != s.write) { s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); } mode = END; goto case END; case END: r = Z_STREAM_END; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); case BADCODE: // x: got error r = Z_DATA_ERROR; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); default: r = Z_STREAM_ERROR; s.bitb = b; s.bitk = k; z.avail_in = n; z.total_in += p - z.next_in_index; z.next_in_index = p; s.write = q; return(s.inflate_flush(z, r)); } } }
internal int proc(InfBlocks s, ZStream z, int r) { int num = z.next_in_index; int num2 = z.avail_in; int num3 = s.bitb; int i = s.bitk; int num4 = s.write; int num5 = (num4 < s.read) ? (s.read - num4 - 1) : (s.end - num4); while (true) { int num6; switch (this.mode) { case 0: if (num5 >= 258 && num2 >= 10) { s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; r = this.inflate_fast((int)this.lbits, (int)this.dbits, this.ltree, this.ltree_index, this.dtree, this.dtree_index, s, z); num = z.next_in_index; num2 = z.avail_in; num3 = s.bitb; i = s.bitk; num4 = s.write; num5 = ((num4 < s.read) ? (s.read - num4 - 1) : (s.end - num4)); if (r != 0) { this.mode = ((r == 1) ? 7 : 9); continue; } } this.need = (int)this.lbits; this.tree = this.ltree; this.tree_index = this.ltree_index; this.mode = 1; goto IL_199; case 1: goto IL_199; case 2: num6 = this.get_Renamed; while (i < num6) { if (num2 == 0) { goto IL_34F; } r = 0; num2--; num3 |= (int)(z.next_in[num++] & 255) << i; i += 8; } this.len += (num3 & InfCodes.inflate_mask[num6]); num3 >>= num6; i -= num6; this.need = (int)this.dbits; this.tree = this.dtree; this.tree_index = this.dtree_index; this.mode = 3; goto IL_412; case 3: goto IL_412; case 4: num6 = this.get_Renamed; while (i < num6) { if (num2 == 0) { goto IL_596; } r = 0; num2--; num3 |= (int)(z.next_in[num++] & 255) << i; i += 8; } this.dist += (num3 & InfCodes.inflate_mask[num6]); num3 >>= num6; i -= num6; this.mode = 5; goto IL_635; case 5: goto IL_635; case 6: if (num5 == 0) { if (num4 == s.end && s.read != 0) { num4 = 0; num5 = ((num4 < s.read) ? (s.read - num4 - 1) : (s.end - num4)); } if (num5 == 0) { s.write = num4; r = s.inflate_flush(z, r); num4 = s.write; num5 = ((num4 < s.read) ? (s.read - num4 - 1) : (s.end - num4)); if (num4 == s.end && s.read != 0) { num4 = 0; num5 = ((num4 < s.read) ? (s.read - num4 - 1) : (s.end - num4)); } if (num5 == 0) { goto Block_44; } } } r = 0; s.window[num4++] = (byte)this.lit; num5--; this.mode = 0; continue; case 7: goto IL_8DB; case 8: goto IL_98A; case 9: goto IL_9D4; } break; IL_199: num6 = this.need; while (i < num6) { if (num2 == 0) { goto IL_1AB; } r = 0; num2--; num3 |= (int)(z.next_in[num++] & 255) << i; i += 8; } int num7 = (this.tree_index + (num3 & InfCodes.inflate_mask[num6])) * 3; num3 = SupportClass.URShift(num3, this.tree[num7 + 1]); i -= this.tree[num7 + 1]; int num8 = this.tree[num7]; if (num8 == 0) { this.lit = this.tree[num7 + 2]; this.mode = 6; continue; } if ((num8 & 16) != 0) { this.get_Renamed = (num8 & 15); this.len = this.tree[num7 + 2]; this.mode = 2; continue; } if ((num8 & 64) == 0) { this.need = num8; this.tree_index = num7 / 3 + this.tree[num7 + 2]; continue; } if ((num8 & 32) != 0) { this.mode = 7; continue; } goto IL_2DF; IL_412: num6 = this.need; while (i < num6) { if (num2 == 0) { goto IL_424; } r = 0; num2--; num3 |= (int)(z.next_in[num++] & 255) << i; i += 8; } num7 = (this.tree_index + (num3 & InfCodes.inflate_mask[num6])) * 3; num3 >>= this.tree[num7 + 1]; i -= this.tree[num7 + 1]; num8 = this.tree[num7]; if ((num8 & 16) != 0) { this.get_Renamed = (num8 & 15); this.dist = this.tree[num7 + 2]; this.mode = 4; continue; } if ((num8 & 64) == 0) { this.need = num8; this.tree_index = num7 / 3 + this.tree[num7 + 2]; continue; } goto IL_526; IL_635: int j; for (j = num4 - this.dist; j < 0; j += s.end) { } while (this.len != 0) { if (num5 == 0) { if (num4 == s.end && s.read != 0) { num4 = 0; num5 = ((num4 < s.read) ? (s.read - num4 - 1) : (s.end - num4)); } if (num5 == 0) { s.write = num4; r = s.inflate_flush(z, r); num4 = s.write; num5 = ((num4 < s.read) ? (s.read - num4 - 1) : (s.end - num4)); if (num4 == s.end && s.read != 0) { num4 = 0; num5 = ((num4 < s.read) ? (s.read - num4 - 1) : (s.end - num4)); } if (num5 == 0) { goto Block_32; } } } s.window[num4++] = s.window[j++]; num5--; if (j == s.end) { j = 0; } this.len--; } this.mode = 0; } r = -2; s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); IL_1AB: s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); IL_2DF: this.mode = 9; z.msg = "invalid literal/length code"; r = -3; s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); IL_34F: s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); IL_424: s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); IL_526: this.mode = 9; z.msg = "invalid distance code"; r = -3; s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); IL_596: s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); Block_32: s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); Block_44: s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); IL_8DB: if (i > 7) { i -= 8; num2++; num--; } s.write = num4; r = s.inflate_flush(z, r); num4 = s.write; int arg_92C_0 = (num4 < s.read) ? (s.read - num4 - 1) : (s.end - num4); if (s.read != s.write) { s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); } this.mode = 8; IL_98A: r = 1; s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); IL_9D4: r = -3; s.bitb = num3; s.bitk = i; z.avail_in = num2; z.total_in += (long)(num - z.next_in_index); z.next_in_index = num; s.write = num4; return(s.inflate_flush(z, r)); }
internal int proc(InfBlocks s, ZStream z, int r) { int num; int num10; int number = 0; int bitk = 0; int num6 = 0; num6 = z.next_in_index; int num7 = z.avail_in; number = s.bitb; bitk = s.bitk; int write = s.write; int num9 = (write < s.read) ? ((s.read - write) - 1) : (s.end - write); Label_0051: switch (this.mode) { case 0: if ((num9 < 0x102) || (num7 < 10)) { break; } s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; r = this.inflate_fast(this.lbits, this.dbits, this.ltree, this.ltree_index, this.dtree, this.dtree_index, s, z); num6 = z.next_in_index; num7 = z.avail_in; number = s.bitb; bitk = s.bitk; write = s.write; num9 = (write < s.read) ? ((s.read - write) - 1) : (s.end - write); if (r == 0) { break; } this.mode = (r == 1) ? 7 : 9; goto Label_0051; case 1: goto Label_0199; case 2: num = this.get_Renamed; while (bitk < num) { if (num7 != 0) { r = 0; } else { s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); } num7--; number |= (z.next_in[num6++] & 0xff) << bitk; bitk += 8; } this.len += number & inflate_mask[num]; number = number >> num; bitk -= num; this.need = this.dbits; this.tree = this.dtree; this.tree_index = this.dtree_index; this.mode = 3; goto Label_0412; case 3: goto Label_0412; case 4: num = this.get_Renamed; while (bitk < num) { if (num7 != 0) { r = 0; } else { s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); } num7--; number |= (z.next_in[num6++] & 0xff) << bitk; bitk += 8; } this.dist += number & inflate_mask[num]; number = number >> num; bitk -= num; this.mode = 5; goto Label_0635; case 5: goto Label_0635; case 6: if (num9 == 0) { if ((write == s.end) && (s.read != 0)) { write = 0; num9 = (write < s.read) ? ((s.read - write) - 1) : (s.end - write); } if (num9 == 0) { s.write = write; r = s.inflate_flush(z, r); write = s.write; num9 = (write < s.read) ? ((s.read - write) - 1) : (s.end - write); if ((write == s.end) && (s.read != 0)) { write = 0; num9 = (write < s.read) ? ((s.read - write) - 1) : (s.end - write); } if (num9 == 0) { s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); } } } r = 0; s.window[write++] = (byte) this.lit; num9--; this.mode = 0; goto Label_0051; case 7: if (bitk > 7) { bitk -= 8; num7++; num6--; } s.write = write; r = s.inflate_flush(z, r); write = s.write; num9 = (write < s.read) ? ((s.read - write) - 1) : (s.end - write); if (s.read != s.write) { s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); } this.mode = 8; goto Label_098A; case 8: goto Label_098A; case 9: r = -3; s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); default: r = -2; s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); } this.need = this.lbits; this.tree = this.ltree; this.tree_index = this.ltree_index; this.mode = 1; Label_0199: num = this.need; while (bitk < num) { if (num7 != 0) { r = 0; } else { s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); } num7--; number |= (z.next_in[num6++] & 0xff) << bitk; bitk += 8; } int index = (this.tree_index + (number & inflate_mask[num])) * 3; number = SupportClass.URShift(number, this.tree[index + 1]); bitk -= this.tree[index + 1]; int num3 = this.tree[index]; if (num3 == 0) { this.lit = this.tree[index + 2]; this.mode = 6; goto Label_0051; } if ((num3 & 0x10) != 0) { this.get_Renamed = num3 & 15; this.len = this.tree[index + 2]; this.mode = 2; goto Label_0051; } if ((num3 & 0x40) == 0) { this.need = num3; this.tree_index = (index / 3) + this.tree[index + 2]; goto Label_0051; } if ((num3 & 0x20) != 0) { this.mode = 7; goto Label_0051; } this.mode = 9; z.msg = "invalid literal/length code"; r = -3; s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); Label_0412: num = this.need; while (bitk < num) { if (num7 != 0) { r = 0; } else { s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); } num7--; number |= (z.next_in[num6++] & 0xff) << bitk; bitk += 8; } index = (this.tree_index + (number & inflate_mask[num])) * 3; number = number >> this.tree[index + 1]; bitk -= this.tree[index + 1]; num3 = this.tree[index]; if ((num3 & 0x10) != 0) { this.get_Renamed = num3 & 15; this.dist = this.tree[index + 2]; this.mode = 4; goto Label_0051; } if ((num3 & 0x40) == 0) { this.need = num3; this.tree_index = (index / 3) + this.tree[index + 2]; goto Label_0051; } this.mode = 9; z.msg = "invalid distance code"; r = -3; s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); Label_0635: num10 = write - this.dist; while (num10 < 0) { num10 += s.end; } while (this.len != 0) { if (num9 == 0) { if ((write == s.end) && (s.read != 0)) { write = 0; num9 = (write < s.read) ? ((s.read - write) - 1) : (s.end - write); } if (num9 == 0) { s.write = write; r = s.inflate_flush(z, r); write = s.write; num9 = (write < s.read) ? ((s.read - write) - 1) : (s.end - write); if ((write == s.end) && (s.read != 0)) { write = 0; num9 = (write < s.read) ? ((s.read - write) - 1) : (s.end - write); } if (num9 == 0) { s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); } } } s.window[write++] = s.window[num10++]; num9--; if (num10 == s.end) { num10 = 0; } this.len--; } this.mode = 0; goto Label_0051; Label_098A: r = 1; s.bitb = number; s.bitk = bitk; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = write; return s.inflate_flush(z, r); }
internal int proc(InfBlocks s, ZStream z, int r) { int num1; int num10; int num4 = 0; int num5 = 0; int num6 = 0; num6 = z.next_in_index; int num7 = z.avail_in; num4 = s.bitb; num5 = s.bitk; int num8 = s.write; int num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); Label_0051: switch (this.mode) { case 0: if ((num9 < 0x102) || (num7 < 10)) { break; } s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; r = this.inflate_fast(this.lbits, this.dbits, this.ltree, this.ltree_index, this.dtree, this.dtree_index, s, z); num6 = z.next_in_index; num7 = z.avail_in; num4 = s.bitb; num5 = s.bitk; num8 = s.write; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); if (r == 0) { break; } this.mode = (r == 1) ? 7 : 9; goto Label_0051; case 1: goto Label_0199; case 2: num1 = this.get_Renamed; while (num5 < num1) { if (num7 != 0) { r = 0; } else { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); } num7--; num4 |= (z.next_in[num6++] & 0xff) << (num5 & 0x1f); num5 += 8; } this.len += num4 & InfCodes.inflate_mask[num1]; num4 = num4 >> (num1 & 0x1f); num5 -= num1; this.need = this.dbits; this.tree = this.dtree; this.tree_index = this.dtree_index; this.mode = 3; goto Label_0412; case 3: goto Label_0412; case 4: num1 = this.get_Renamed; while (num5 < num1) { if (num7 != 0) { r = 0; } else { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); } num7--; num4 |= (z.next_in[num6++] & 0xff) << (num5 & 0x1f); num5 += 8; } this.dist += num4 & InfCodes.inflate_mask[num1]; num4 = num4 >> (num1 & 0x1f); num5 -= num1; this.mode = 5; goto Label_0635; case 5: goto Label_0635; case 6: if (num9 == 0) { if ((num8 == s.end) && (s.read != 0)) { num8 = 0; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); } if (num9 == 0) { s.write = num8; r = s.inflate_flush(z, r); num8 = s.write; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); if ((num8 == s.end) && (s.read != 0)) { num8 = 0; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); } if (num9 == 0) { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); } } } r = 0; s.window[num8++] = (byte) this.lit; num9--; this.mode = 0; goto Label_0051; case 7: if (num5 > 7) { num5 -= 8; num7++; num6--; } s.write = num8; r = s.inflate_flush(z, r); num8 = s.write; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); if (s.read != s.write) { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); } this.mode = 8; goto Label_098A; case 8: goto Label_098A; case 9: r = -3; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); default: r = -2; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); } this.need = this.lbits; this.tree = this.ltree; this.tree_index = this.ltree_index; this.mode = 1; Label_0199: num1 = this.need; while (num5 < num1) { if (num7 != 0) { r = 0; } else { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); } num7--; num4 |= (z.next_in[num6++] & 0xff) << (num5 & 0x1f); num5 += 8; } int num2 = (this.tree_index + (num4 & InfCodes.inflate_mask[num1])) * 3; num4 = SupportClass.URShift(num4, this.tree[num2 + 1]); num5 -= this.tree[num2 + 1]; int num3 = this.tree[num2]; if (num3 == 0) { this.lit = this.tree[num2 + 2]; this.mode = 6; goto Label_0051; } if ((num3 & 0x10) != 0) { this.get_Renamed = num3 & 15; this.len = this.tree[num2 + 2]; this.mode = 2; goto Label_0051; } if ((num3 & 0x40) == 0) { this.need = num3; this.tree_index = (num2 / 3) + this.tree[num2 + 2]; goto Label_0051; } if ((num3 & 0x20) != 0) { this.mode = 7; goto Label_0051; } this.mode = 9; z.msg = "invalid literal/length code"; r = -3; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); Label_0412: num1 = this.need; while (num5 < num1) { if (num7 != 0) { r = 0; } else { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); } num7--; num4 |= (z.next_in[num6++] & 0xff) << (num5 & 0x1f); num5 += 8; } num2 = (this.tree_index + (num4 & InfCodes.inflate_mask[num1])) * 3; num4 = num4 >> (this.tree[num2 + 1] & 0x1f); num5 -= this.tree[num2 + 1]; num3 = this.tree[num2]; if ((num3 & 0x10) != 0) { this.get_Renamed = num3 & 15; this.dist = this.tree[num2 + 2]; this.mode = 4; goto Label_0051; } if ((num3 & 0x40) == 0) { this.need = num3; this.tree_index = (num2 / 3) + this.tree[num2 + 2]; goto Label_0051; } this.mode = 9; z.msg = "invalid distance code"; r = -3; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); Label_0635: num10 = num8 - this.dist; while (num10 < 0) { num10 += s.end; } while (this.len != 0) { if (num9 == 0) { if ((num8 == s.end) && (s.read != 0)) { num8 = 0; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); } if (num9 == 0) { s.write = num8; r = s.inflate_flush(z, r); num8 = s.write; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); if ((num8 == s.end) && (s.read != 0)) { num8 = 0; num9 = (num8 < s.read) ? ((s.read - num8) - 1) : (s.end - num8); } if (num9 == 0) { s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); } } } s.window[num8++] = s.window[num10++]; num9--; if (num10 == s.end) { num10 = 0; } this.len--; } this.mode = 0; goto Label_0051; Label_098A: r = 1; s.bitb = num4; s.bitk = num5; z.avail_in = num7; z.total_in += num6 - z.next_in_index; z.next_in_index = num6; s.write = num8; return s.inflate_flush(z, r); }