modified-dicom-pacs
Version:
A modified version of DICOM PACS implementation
1 lines • 74.5 kB
JavaScript
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e}if(m>>>=y,g-=y,y=o-i,T>y){if(y=T-y,y>u&&v.sane){e.msg="invalid distance too far back",v.mode=t;break e}if(D=0,S=f,0===d){if(D+=c-y,y<k){k-=y;do{P[o++]=f[D++]}while(--y);D=o-T,S=P}}else if(d<y){if(D+=c+d-y,y-=d,y<k){k-=y;do{P[o++]=f[D++]}while(--y);if(D=0,d<k){y=d,k-=y;do{P[o++]=f[D++]}while(--y);D=o-T,S=P}}}else if(D+=d-y,y<k){k-=y;do{P[o++]=f[D++]}while(--y);D=o-T,S=P}for(;k>2;)P[o++]=S[D++],P[o++]=S[D++],P[o++]=S[D++],k-=3;k&&(P[o++]=S[D++],k>1&&(P[o++]=S[D++]))}else{D=o-T;do{P[o++]=P[D++],P[o++]=P[D++],P[o++]=P[D++],k-=3}while(k>2);k&&(P[o++]=P[D++],k>1&&(P[o++]=P[D++]))}break}}break}}while(n<a&&o<s);k=g>>3,n-=k,g-=k<<3,m&=(1<<g)-1,e.next_in=n,e.next_out=o,e.avail_in=n<a?a-n+5:5-(n-a),e.avail_out=o<s?s-o+257:257-(o-s),v.hold=m,v.bits=g}},823:(e,t,r)=>{const 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t=e.state;return e.total_in=e.total_out=t.total=0,e.msg="",t.wrap&&(e.adler=1&t.wrap),t.mode=b,t.last=0,t.havedict=0,t.flags=-1,t.dmax=32768,t.head=null,t.hold=0,t.bits=0,t.lencode=t.lendyn=new Int32Array(852),t.distcode=t.distdyn=new Int32Array(592),t.sane=1,t.back=-1,u},C=e=>{if(_(e))return m;const t=e.state;return t.wsize=0,t.whave=0,t.wnext=0,L(e)},O=(e,t)=>{let r;if(_(e))return m;const n=e.state;return t<0?(r=0,t=-t):(r=5+(t>>4),t<48&&(t&=15)),t&&(t<8||t>15)?m:(null!==n.window&&n.wbits!==t&&(n.window=null),n.wrap=r,n.wbits=t,C(e))},R=(e,t)=>{if(!e)return m;const r=new A;e.state=r,r.strm=e,r.window=null,r.mode=b;const n=O(e,t);return n!==u&&(e.state=null),n};let M,F,U=!0;const B=e=>{if(U){M=new Int32Array(512),F=new Int32Array(32);let t=0;for(;t<144;)e.lens[t++]=8;for(;t<256;)e.lens[t++]=9;for(;t<280;)e.lens[t++]=7;for(;t<288;)e.lens[t++]=8;for(i(1,e.lens,0,288,M,0,e.work,{bits:9}),t=0;t<32;)e.lens[t++]=5;i(2,e.lens,0,32,F,0,e.work,{bits:5}),U=!1}e.lencode=M,e.lenbits=9,e.distcode=F,e.distbits=5},N=(e,t,r,n)=>{let a;const o=e.state;return null===o.window&&(o.wsize=1<<o.wbits,o.wnext=0,o.whave=0,o.window=new Uint8Array(o.wsize)),n>=o.wsize?(o.window.set(t.subarray(r-o.wsize,r),0),o.wnext=0,o.whave=o.wsize):(a=o.wsize-o.wnext,a>n&&(a=n),o.window.set(t.subarray(r-n,r-n+a),o.wnext),(n-=a)?(o.window.set(t.subarray(r-n,r),0),o.wnext=n,o.whave=o.wsize):(o.wnext+=a,o.wnext===o.wsize&&(o.wnext=0),o.whave<o.wsize&&(o.whave+=a))),0};e.exports.inflateReset=C,e.exports.inflateReset2=O,e.exports.inflateResetKeep=L,e.exports.inflateInit=e=>R(e,15),e.exports.inflateInit2=R,e.exports.inflate=(e,t)=>{let r,A,L,C,O,R,M,F,U,j,G,V,$,q,W,Z,Y,z,H,Q,X,K,J=0;const ee=new Uint8Array(4);let te,re;const ne=new Uint8Array([16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15]);if(_(e)||!e.output||!e.input&&0!==e.avail_in)return m;r=e.state,r.mode===y&&(r.mode=k),O=e.next_out,L=e.output,M=e.avail_out,C=e.next_in,A=e.input,R=e.avail_in,F=r.hold,U=r.bits,j=R,G=M,K=u;e:for(;;)switch(r.mode){case b:if(0===r.wrap){r.mode=k;break}for(;U<16;){if(0===R)break e;R--,F+=A[C++]<<U,U+=8}if(2&r.wrap&&35615===F){0===r.wbits&&(r.wbits=15),r.check=0,ee[0]=255&F,ee[1]=F>>>8&255,r.check=a(r.check,ee,2,0),F=0,U=0,r.mode=16181;break}if(r.head&&(r.head.done=!1),!(1&r.wrap)||(((255&F)<<8)+(F>>8))%31){e.msg="incorrect header check",r.mode=P;break}if((15&F)!==x){e.msg="unknown compression method",r.mode=P;break}if(F>>>=4,U-=4,X=8+(15&F),0===r.wbits&&(r.wbits=X),X>15||X>r.wbits){e.msg="invalid window size",r.mode=P;break}r.dmax=1<<r.wbits,r.flags=0,e.adler=r.check=1,r.mode=512&F?16189:y,F=0,U=0;break;case 16181:for(;U<16;){if(0===R)break e;R--,F+=A[C++]<<U,U+=8}if(r.flags=F,(255&r.flags)!==x){e.msg="unknown compression method",r.mode=P;break}if(57344&r.flags){e.msg="unknown header flags set",r.mode=P;break}r.head&&(r.head.text=F>>8&1),512&r.flags&&4&r.wrap&&(ee[0]=255&F,ee[1]=F>>>8&255,r.check=a(r.check,ee,2,0)),F=0,U=0,r.mode=16182;case 16182:for(;U<32;){if(0===R)break e;R--,F+=A[C++]<<U,U+=8}r.head&&(r.head.time=F),512&r.flags&&4&r.wrap&&(ee[0]=255&F,ee[1]=F>>>8&255,ee[2]=F>>>16&255,ee[3]=F>>>24&255,r.check=a(r.check,ee,4,0)),F=0,U=0,r.mode=16183;case 16183:for(;U<16;){if(0===R)break e;R--,F+=A[C++]<<U,U+=8}r.head&&(r.head.xflags=255&F,r.head.os=F>>8),512&r.flags&&4&r.wrap&&(ee[0]=255&F,ee[1]=F>>>8&255,r.check=a(r.check,ee,2,0)),F=0,U=0,r.mode=16184;case 16184:if(1024&r.flags){for(;U<16;){if(0===R)break e;R--,F+=A[C++]<<U,U+=8}r.length=F,r.head&&(r.head.extra_len=F),512&r.flags&&4&r.wrap&&(ee[0]=255&F,ee[1]=F>>>8&255,r.check=a(r.check,ee,2,0)),F=0,U=0}else r.head&&(r.head.extra=null);r.mode=16185;case 16185:if(1024&r.flags&&(V=r.length,V>R&&(V=R),V&&(r.head&&(X=r.head.extra_len-r.length,r.head.extra||(r.head.extra=new Uint8Array(r.head.extra_len)),r.head.extra.set(A.subarray(C,C+V),X)),512&r.flags&&4&r.wrap&&(r.check=a(r.check,A,V,C)),R-=V,C+=V,r.length-=V),r.length))break e;r.length=0,r.mode=16186;case 16186:if(2048&r.flags){if(0===R)break e;V=0;do{X=A[C+V++],r.head&&X&&r.length<65536&&(r.head.name+=String.fromCharCode(X))}while(X&&V<R);if(512&r.flags&&4&r.wrap&&(r.check=a(r.check,A,V,C)),R-=V,C+=V,X)break e}else r.head&&(r.head.name=null);r.length=0,r.mode=16187;case 16187:if(4096&r.flags){if(0===R)break e;V=0;do{X=A[C+V++],r.head&&X&&r.length<65536&&(r.head.comment+=String.fromCharCode(X))}while(X&&V<R);if(512&r.flags&&4&r.wrap&&(r.check=a(r.check,A,V,C)),R-=V,C+=V,X)break e}else r.head&&(r.head.comment=null);r.mode=16188;case 16188:if(512&r.flags){for(;U<16;){if(0===R)break e;R--,F+=A[C++]<<U,U+=8}if(4&r.wrap&&F!==(65535&r.check)){e.msg="header crc 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e;R--,F+=A[C++]<<U,U+=8}if(!(240&Z)){for(z=W,H=Z,Q=Y;J=r.distcode[Q+((F&(1<<z+H)-1)>>z)],W=J>>>24,Z=J>>>16&255,Y=65535&J,!(z+W<=U);){if(0===R)break e;R--,F+=A[C++]<<U,U+=8}F>>>=z,U-=z,r.back+=z}if(F>>>=W,U-=W,r.back+=W,64&Z){e.msg="invalid distance code",r.mode=P;break}r.offset=Y,r.extra=15&Z,r.mode=16203;case 16203:if(r.extra){for(re=r.extra;U<re;){if(0===R)break e;R--,F+=A[C++]<<U,U+=8}r.offset+=F&(1<<r.extra)-1,F>>>=r.extra,U-=r.extra,r.back+=r.extra}if(r.offset>r.dmax){e.msg="invalid distance too far back",r.mode=P;break}r.mode=16204;case 16204:if(0===M)break e;if(V=G-M,r.offset>V){if(V=r.offset-V,V>r.whave&&r.sane){e.msg="invalid distance too far back",r.mode=P;break}V>r.wnext?(V-=r.wnext,$=r.wsize-V):$=r.wnext-V,V>r.length&&(V=r.length),q=r.window}else q=L,$=O-r.offset,V=r.length;V>M&&(V=M),M-=V,r.length-=V;do{L[O++]=q[$++]}while(--V);0===r.length&&(r.mode=S);break;case 16205:if(0===M)break e;L[O++]=r.length,M--,r.mode=S;break;case I:if(r.wrap){for(;U<32;){if(0===R)break 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