Agriculture-front-end/public/Cesium/ThirdParty/Workers/deflate.js
2023-09-11 21:56:39 +08:00

1 line
16 KiB
JavaScript

!function(e){var 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t,n,a=C,i=S,r=B,_=S>v-p?S-(v-p):0,o=K,u=g,d=S+h,l=w[i+r-1],f=w[i+r];B>=J&&(a>>=2),o>j&&(o=j);do{if(w[(t=e)+r]==f&&w[t+r-1]==l&&w[t]==w[i]&&w[++t]==w[i+1]){i+=2,t++;do{}while(w[++i]==w[++t]&&w[++i]==w[++t]&&w[++i]==w[++t]&&w[++i]==w[++t]&&w[++i]==w[++t]&&w[++i]==w[++t]&&w[++i]==w[++t]&&w[++i]==w[++t]&&i<d);if(n=h-(d-i),i=d-h,n>r){if(L=e,r=n,n>=o)break;l=w[i+r-1],f=w[i+r]}}}while((e=65535&y[e&u])>_&&0!=--a);return r<=j?r:j}function we(e){return e.total_in=e.total_out=0,e.msg=null,ee.pending=0,ee.pending_out=0,r=s,d=0,te.dyn_tree=N,te.stat_desc=o.static_l_desc,ne.dyn_tree=O,ne.stat_desc=o.static_d_desc,ae.dyn_tree=Q,ae.stat_desc=o.static_bl_desc,Z=0,$=0,Y=8,ie(),function(){var e;for(m=2*v,M[U-1]=0,e=0;e<U-1;e++)M[e]=0;F=l[G].max_lazy,J=l[G].good_length,K=l[G].nice_length,C=l[G].max_chain,S=0,q=0,j=0,D=B=2,P=0,A=0}(),0}ee.depth=[],ee.bl_count=[],ee.heap=[],N=[],O=[],Q=[],ee.pqdownheap=function(e,t){for(var n=ee.heap,a=n[t],i=t<<1;i<=ee.heap_len&&(i<ee.heap_len&&x(e,n[i+1],n[i],ee.depth)&&i++,!x(e,a,n[i],ee.depth));)n[t]=n[i],t=i,i<<=1;n[t]=a},ee.deflateInit=function(e,t,n,i,r,_){return i||(i=8),r||(r=8),_||(_=0),e.msg=null,-1==t&&(t=6),r<1||r>9||8!=i||n<9||n>15||t<0||t>9||_<0||_>2?a:(e.dstate=ee,g=(v=1<<(b=n))-1,k=(U=1<<(E=r+7))-1,z=Math.floor((E+3-1)/3),w=new Uint8Array(2*v),y=[],M=[],T=1<<r+6,ee.pending_buf=new Uint8Array(4*T),u=4*T,W=Math.floor(T/2),R=3*T,G=t,H=_,255&i,we(e))},ee.deflateEnd=function(){return 42!=r&&r!=s&&r!=c?a:(ee.pending_buf=null,M=null,y=null,w=null,ee.dstate=null,r==s?-3:0)},ee.deflateParams=function(e,t,n){var i=0;return-1==t&&(t=6),t<0||t>9||n<0||n>2?a:(l[G].func!=l[t].func&&0!==e.total_in&&(i=e.deflate(1)),G!=t&&(F=l[G=t].max_lazy,J=l[G].good_length,K=l[G].nice_length,C=l[G].max_chain),H=n,i)},ee.deflateSetDictionary=function(e,t,n){var i,_=n,o=0;if(!t||42!=r)return a;if(_<3)return 0;for(_>v-p&&(o=n-(_=v-p)),w.set(t.subarray(o,o+_),0),S=_,q=_,A=((A=255&w[0])<<z^255&w[1])&k,i=0;i<=_-3;i++)A=(A<<z^255&w[i+2])&k,y[i&g]=M[A],M[A]=i;return 0},ee.deflate=function(t,_){var h,x,m,E,C,J;if(_>4||_<0)return a;if(!t.next_out||!t.next_in&&0!==t.avail_in||r==c&&4!=_)return t.msg=f[4],a;if(0===t.avail_out)return t.msg=f[7],i;if(e=t,E=d,d=_,42==r&&(x=8+(b-8<<4)<<8,(m=(G-1&255)>>1)>3&&(m=3),x|=m<<6,0!==S&&(x|=32),r=s,_e((J=x+=31-x%31)>>8&255),_e(255&J)),0!==ee.pending){if(e.flush_pending(),0===e.avail_out)return d=-1,0}else if(0===e.avail_in&&_<=E&&4!=_)return e.msg=f[7],i;if(r==c&&0!==e.avail_in)return t.msg=f[7],i;if(0!==e.avail_in||0!==j||0!=_&&r!=c){switch(C=-1,l[G].func){case 0:C=function(t){var n,a=65535;for(a>u-5&&(a=u-5);;){if(j<=1){if(be(),0===j&&0==t)return 0;if(0===j)break}if(S+=j,j=0,n=q+a,(0===S||S>=n)&&(j=S-n,S=n,ve(!1),0===e.avail_out))return 0;if(S-q>=v-p&&(ve(!1),0===e.avail_out))return 0}return ve(4==t),0===e.avail_out?4==t?2:0:4==t?3:1}(_);break;case 1:C=function(t){for(var n,a=0;;){if(j<p){if(be(),j<p&&0==t)return 0;if(0===j)break}if(j>=3&&(A=(A<<z^255&w[S+2])&k,a=65535&M[A],y[S&g]=M[A],M[A]=S),0!==a&&(S-a&65535)<=v-p&&2!=H&&(D=ge(a)),D>=3)if(n=se(S-L,D-3),j-=D,D<=F&&j>=3){D--;do{S++,A=(A<<z^255&w[S+2])&k,a=65535&M[A],y[S&g]=M[A],M[A]=S}while(0!=--D);S++}else S+=D,D=0,A=((A=255&w[S])<<z^255&w[S+1])&k;else n=se(0,255&w[S]),j--,S++;if(n&&(ve(!1),0===e.avail_out))return 0}return ve(4==t),0===e.avail_out?4==t?2:0:4==t?3:1}(_);break;case 2:C=function(t){for(var n,a,i=0;;){if(j<p){if(be(),j<p&&0==t)return 0;if(0===j)break}if(j>=3&&(A=(A<<z^255&w[S+2])&k,i=65535&M[A],y[S&g]=M[A],M[A]=S),B=D,I=L,D=2,0!==i&&B<F&&(S-i&65535)<=v-p&&(2!=H&&(D=ge(i)),D<=5&&(1==H||3==D&&S-L>4096)&&(D=2)),B>=3&&D<=B){a=S+j-3,n=se(S-1-I,B-3),j-=B-1,B-=2;do{++S<=a&&(A=(A<<z^255&w[S+2])&k,i=65535&M[A],y[S&g]=M[A],M[A]=S)}while(0!=--B);if(P=0,D=2,S++,n&&(ve(!1),0===e.avail_out))return 0}else if(0!==P){if((n=se(0,255&w[S-1]))&&ve(!1),S++,j--,0===e.avail_out)return 0}else P=1,S++,j--}return 0!==P&&(n=se(0,255&w[S-1]),P=0),ve(4==t),0===e.avail_out?4==t?2:0:4==t?3:1}(_)}if(2!=C&&3!=C||(r=c),0==C||2==C)return 0===e.avail_out&&(d=-1),0;if(1==C){if(1==_)ue(2,3),de(n,o.static_ltree),fe(),1+Y+10-$<9&&(ue(2,3),de(n,o.static_ltree),fe()),Y=7;else if(pe(0,0,!1),3==_)for(h=0;h<U;h++)M[h]=0;if(e.flush_pending(),0===e.avail_out)return d=-1,0}}return 4!=_?0:1}}function b(){var e=this;e.next_in_index=0,e.next_out_index=0,e.avail_in=0,e.total_in=0,e.avail_out=0,e.total_out=0}function g(e){var t=new b,n=512,a=new Uint8Array(n);void 0===e&&(e=-1),t.deflateInit(e),t.next_out=a,this.append=function(e,i){var r,_=[],o=0,u=0,d=0;if(e.length){t.next_in_index=0,t.next_in=e,t.avail_in=e.length;do{if(t.next_out_index=0,t.avail_out=n,0!=t.deflate(0))throw"deflating: "+t.msg;t.next_out_index&&(t.next_out_index==n?_.push(new Uint8Array(a)):_.push(new Uint8Array(a.subarray(0,t.next_out_index)))),d+=t.next_out_index,i&&t.next_in_index>0&&t.next_in_index!=o&&(i(t.next_in_index),o=t.next_in_index)}while(t.avail_in>0||0===t.avail_out);return r=new Uint8Array(d),_.forEach((function(e){r.set(e,u),u+=e.length})),r}},this.flush=function(){var e,i,r=[],_=0,o=0;do{if(t.next_out_index=0,t.avail_out=n,1!=(e=t.deflate(4))&&0!=e)throw"deflating: "+t.msg;n-t.avail_out>0&&r.push(new Uint8Array(a.subarray(0,t.next_out_index))),o+=t.next_out_index}while(t.avail_in>0||0===t.avail_out);return t.deflateEnd(),i=new Uint8Array(o),r.forEach((function(e){i.set(e,_),_+=e.length})),i}}b.prototype={deflateInit:function(e,t){var n=this;return n.dstate=new v,t||(t=15),n.dstate.deflateInit(n,e,t)},deflate:function(e){var t=this;return t.dstate?t.dstate.deflate(t,e):a},deflateEnd:function(){var e=this;if(!e.dstate)return a;var t=e.dstate.deflateEnd();return e.dstate=null,t},deflateParams:function(e,t){var n=this;return n.dstate?n.dstate.deflateParams(n,e,t):a},deflateSetDictionary:function(e,t){var n=this;return n.dstate?n.dstate.deflateSetDictionary(n,e,t):a},read_buf:function(e,t,n){var a=this,i=a.avail_in;return i>n&&(i=n),0===i?0:(a.avail_in-=i,e.set(a.next_in.subarray(a.next_in_index,a.next_in_index+i),t),a.next_in_index+=i,a.total_in+=i,i)},flush_pending:function(){var e=this,t=e.dstate.pending;t>e.avail_out&&(t=e.avail_out),0!==t&&(e.next_out.set(e.dstate.pending_buf.subarray(e.dstate.pending_out,e.dstate.pending_out+t),e.next_out_index),e.next_out_index+=t,e.dstate.pending_out+=t,e.total_out+=t,e.avail_out-=t,e.dstate.pending-=t,0===e.dstate.pending&&(e.dstate.pending_out=0))}},e.zip?e.zip.Deflater=g:(d=new g,e.addEventListener("message",(function(t){var n=t.data;n.init&&(d=new g(n.level),e.postMessage({oninit:!0})),n.append&&e.postMessage({onappend:!0,data:d.append(n.data,(function(t){e.postMessage({progress:!0,current:t})}))}),n.flush&&e.postMessage({onflush:!0,data:d.flush()})}),!1))}(this);