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Implement support for compression (not enabled yet)

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Lorenz H-S 2013-12-20 13:09:08 +00:00
parent 8f5d06a38a
commit bf6e92fc24
3 changed files with 27 additions and 1 deletions
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16
3rdparty/inflate.min.js vendored Normal file
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@ -0,0 +1,16 @@
/** @license zlib.js 2012 - imaya [ https://github.com/imaya/zlib.js ] The MIT License */(function() {'use strict';function m(b){throw b;}var n=void 0,r=this;function s(b,d){var a=b.split("."),c=r;!(a[0]in c)&&c.execScript&&c.execScript("var "+a[0]);for(var f;a.length&&(f=a.shift());)!a.length&&d!==n?c[f]=d:c=c[f]?c[f]:c[f]={}};var u="undefined"!==typeof Uint8Array&&"undefined"!==typeof Uint16Array&&"undefined"!==typeof Uint32Array;function v(b){var d=b.length,a=0,c=Number.POSITIVE_INFINITY,f,e,g,h,k,l,q,p,t;for(p=0;p<d;++p)b[p]>a&&(a=b[p]),b[p]<c&&(c=b[p]);f=1<<a;e=new (u?Uint32Array:Array)(f);g=1;h=0;for(k=2;g<=a;){for(p=0;p<d;++p)if(b[p]===g){l=0;q=h;for(t=0;t<g;++t)l=l<<1|q&1,q>>=1;for(t=l;t<f;t+=k)e[t]=g<<16|p;++h}++g;h<<=1;k<<=1}return[e,a,c]};function w(b,d){this.g=[];this.h=32768;this.d=this.f=this.a=this.l=0;this.input=u?new Uint8Array(b):b;this.m=!1;this.i=x;this.r=!1;if(d||!(d={}))d.index&&(this.a=d.index),d.bufferSize&&(this.h=d.bufferSize),d.bufferType&&(this.i=d.bufferType),d.resize&&(this.r=d.resize);switch(this.i){case y:this.b=32768;this.c=new (u?Uint8Array:Array)(32768+this.h+258);break;case x:this.b=0;this.c=new (u?Uint8Array:Array)(this.h);this.e=this.z;this.n=this.v;this.j=this.w;break;default:m(Error("invalid inflate mode"))}}
var y=0,x=1,z={t:y,s:x};
w.prototype.k=function(){for(;!this.m;){var b=A(this,3);b&1&&(this.m=!0);b>>>=1;switch(b){case 0:var d=this.input,a=this.a,c=this.c,f=this.b,e=n,g=n,h=n,k=c.length,l=n;this.d=this.f=0;e=d[a++];e===n&&m(Error("invalid uncompressed block header: LEN (first byte)"));g=e;e=d[a++];e===n&&m(Error("invalid uncompressed block header: LEN (second byte)"));g|=e<<8;e=d[a++];e===n&&m(Error("invalid uncompressed block header: NLEN (first byte)"));h=e;e=d[a++];e===n&&m(Error("invalid uncompressed block header: NLEN (second byte)"));h|=
e<<8;g===~h&&m(Error("invalid uncompressed block header: length verify"));a+g>d.length&&m(Error("input buffer is broken"));switch(this.i){case y:for(;f+g>c.length;){l=k-f;g-=l;if(u)c.set(d.subarray(a,a+l),f),f+=l,a+=l;else for(;l--;)c[f++]=d[a++];this.b=f;c=this.e();f=this.b}break;case x:for(;f+g>c.length;)c=this.e({p:2});break;default:m(Error("invalid inflate mode"))}if(u)c.set(d.subarray(a,a+g),f),f+=g,a+=g;else for(;g--;)c[f++]=d[a++];this.a=a;this.b=f;this.c=c;break;case 1:this.j(B,C);break;case 2:aa(this);
break;default:m(Error("unknown BTYPE: "+b))}}return this.n()};
var D=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15],E=u?new Uint16Array(D):D,F=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,258,258],G=u?new Uint16Array(F):F,H=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0,0,0],I=u?new Uint8Array(H):H,J=[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],K=u?new Uint16Array(J):J,L=[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],M=u?new Uint8Array(L):L,N=new (u?Uint8Array:Array)(288),O,P;O=0;for(P=N.length;O<P;++O)N[O]=143>=O?8:255>=O?9:279>=O?7:8;var B=v(N),Q=new (u?Uint8Array:Array)(30),R,S;R=0;for(S=Q.length;R<S;++R)Q[R]=5;var C=v(Q);function A(b,d){for(var a=b.f,c=b.d,f=b.input,e=b.a,g;c<d;)g=f[e++],g===n&&m(Error("input buffer is broken")),a|=g<<c,c+=8;g=a&(1<<d)-1;b.f=a>>>d;b.d=c-d;b.a=e;return g}
function T(b,d){for(var a=b.f,c=b.d,f=b.input,e=b.a,g=d[0],h=d[1],k,l,q;c<h;){k=f[e++];if(k===n)break;a|=k<<c;c+=8}l=g[a&(1<<h)-1];q=l>>>16;b.f=a>>q;b.d=c-q;b.a=e;return l&65535}
function aa(b){function d(a,b,c){var d,e,f,g;for(g=0;g<a;)switch(d=T(this,b),d){case 16:for(f=3+A(this,2);f--;)c[g++]=e;break;case 17:for(f=3+A(this,3);f--;)c[g++]=0;e=0;break;case 18:for(f=11+A(this,7);f--;)c[g++]=0;e=0;break;default:e=c[g++]=d}return c}var a=A(b,5)+257,c=A(b,5)+1,f=A(b,4)+4,e=new (u?Uint8Array:Array)(E.length),g,h,k,l;for(l=0;l<f;++l)e[E[l]]=A(b,3);g=v(e);h=new (u?Uint8Array:Array)(a);k=new (u?Uint8Array:Array)(c);b.j(v(d.call(b,a,g,h)),v(d.call(b,c,g,k)))}
w.prototype.j=function(b,d){var a=this.c,c=this.b;this.o=b;for(var f=a.length-258,e,g,h,k;256!==(e=T(this,b));)if(256>e)c>=f&&(this.b=c,a=this.e(),c=this.b),a[c++]=e;else{g=e-257;k=G[g];0<I[g]&&(k+=A(this,I[g]));e=T(this,d);h=K[e];0<M[e]&&(h+=A(this,M[e]));c>=f&&(this.b=c,a=this.e(),c=this.b);for(;k--;)a[c]=a[c++-h]}for(;8<=this.d;)this.d-=8,this.a--;this.b=c};
w.prototype.w=function(b,d){var a=this.c,c=this.b;this.o=b;for(var f=a.length,e,g,h,k;256!==(e=T(this,b));)if(256>e)c>=f&&(a=this.e(),f=a.length),a[c++]=e;else{g=e-257;k=G[g];0<I[g]&&(k+=A(this,I[g]));e=T(this,d);h=K[e];0<M[e]&&(h+=A(this,M[e]));c+k>f&&(a=this.e(),f=a.length);for(;k--;)a[c]=a[c++-h]}for(;8<=this.d;)this.d-=8,this.a--;this.b=c};
w.prototype.e=function(){var b=new (u?Uint8Array:Array)(this.b-32768),d=this.b-32768,a,c,f=this.c;if(u)b.set(f.subarray(32768,b.length));else{a=0;for(c=b.length;a<c;++a)b[a]=f[a+32768]}this.g.push(b);this.l+=b.length;if(u)f.set(f.subarray(d,d+32768));else for(a=0;32768>a;++a)f[a]=f[d+a];this.b=32768;return f};
w.prototype.z=function(b){var d,a=this.input.length/this.a+1|0,c,f,e,g=this.input,h=this.c;b&&("number"===typeof b.p&&(a=b.p),"number"===typeof b.u&&(a+=b.u));2>a?(c=(g.length-this.a)/this.o[2],e=258*(c/2)|0,f=e<h.length?h.length+e:h.length<<1):f=h.length*a;u?(d=new Uint8Array(f),d.set(h)):d=h;return this.c=d};
w.prototype.n=function(){var b=0,d=this.c,a=this.g,c,f=new (u?Uint8Array:Array)(this.l+(this.b-32768)),e,g,h,k;if(0===a.length)return u?this.c.subarray(32768,this.b):this.c.slice(32768,this.b);e=0;for(g=a.length;e<g;++e){c=a[e];h=0;for(k=c.length;h<k;++h)f[b++]=c[h]}e=32768;for(g=this.b;e<g;++e)f[b++]=d[e];this.g=[];return this.buffer=f};
w.prototype.v=function(){var b,d=this.b;u?this.r?(b=new Uint8Array(d),b.set(this.c.subarray(0,d))):b=this.c.subarray(0,d):(this.c.length>d&&(this.c.length=d),b=this.c);return this.buffer=b};function U(b,d){var a,c;this.input=b;this.a=0;if(d||!(d={}))d.index&&(this.a=d.index),d.verify&&(this.A=d.verify);a=b[this.a++];c=b[this.a++];switch(a&15){case V:this.method=V;break;default:m(Error("unsupported compression method"))}0!==((a<<8)+c)%31&&m(Error("invalid fcheck flag:"+((a<<8)+c)%31));c&32&&m(Error("fdict flag is not supported"));this.q=new w(b,{index:this.a,bufferSize:d.bufferSize,bufferType:d.bufferType,resize:d.resize})}
U.prototype.k=function(){var b=this.input,d,a;d=this.q.k();this.a=this.q.a;if(this.A){a=(b[this.a++]<<24|b[this.a++]<<16|b[this.a++]<<8|b[this.a++])>>>0;var c=d;if("string"===typeof c){var f=c.split(""),e,g;e=0;for(g=f.length;e<g;e++)f[e]=(f[e].charCodeAt(0)&255)>>>0;c=f}for(var h=1,k=0,l=c.length,q,p=0;0<l;){q=1024<l?1024:l;l-=q;do h+=c[p++],k+=h;while(--q);h%=65521;k%=65521}a!==(k<<16|h)>>>0&&m(Error("invalid adler-32 checksum"))}return d};var V=8;s("Zlib.Inflate",U);s("Zlib.Inflate.prototype.decompress",U.prototype.k);var W={ADAPTIVE:z.s,BLOCK:z.t},X,Y,Z,$;if(Object.keys)X=Object.keys(W);else for(Y in X=[],Z=0,W)X[Z++]=Y;Z=0;for($=X.length;Z<$;++Z)Y=X[Z],s("Zlib.Inflate.BufferType."+Y,W[Y]);}).call(this); //@ sourceMappingURL=inflate.min.js.map

1
index.html
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@ -14,6 +14,7 @@
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.0-rc.2/angular-route.min.js"></script> <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.0-rc.2/angular-route.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.0-rc.2/angular-sanitize.min.js"></script> <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.0-rc.2/angular-sanitize.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js"></script> <script src="//cdnjs.cloudflare.com/ajax/libs/underscore.js/1.5.2/underscore-min.js"></script>
<script type="text/javascript" src="3rdparty/inflate.min.js"></script>
<script type="text/javascript" src="js/localstorage.js"></script> <script type="text/javascript" src="js/localstorage.js"></script>
<script type="text/javascript" src="js/weechat.js"></script> <script type="text/javascript" src="js/weechat.js"></script>
<script type="text/javascript" src="js/irc-utils.js"></script> <script type="text/javascript" src="js/irc-utils.js"></script>

11
js/weechat.js
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@ -576,7 +576,7 @@
WeeChatProtocol._uia2s = function(uia) { WeeChatProtocol._uia2s = function(uia) {
var str = []; var str = [];
for (var c = 0; c < uia.length; c++) { for (var c = 0; c < uia.length && uia[c] !== 0; c++) {
str.push(String.fromCharCode(uia[c])); str.push(String.fromCharCode(uia[c]));
} }
@ -1174,6 +1174,15 @@
this._dataAt = 0; this._dataAt = 0;
var header = this._getHeader(); var header = this._getHeader();
if (header.compression) {
var raw = new Uint8Array(data, 5); // skip first five bytes (header, 4B size, 1B compression flag)
var inflate = new Zlib.Inflate(raw);
var plain = inflate.decompress();
this._setData(plain.buffer);
this._dataAt = 0; // reset position in data, as the header is not part of the decompressed data
}
var id = this._getId(); var id = this._getId();
var objects = []; var objects = [];
var object = this._getObject(); var object = this._getObject();