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x/sheetjs/bits/21_ziputils.js

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function getdatastr(data)/*:?string*/ { if(!data) return null; if(data.content && data.type) return cc2str(data.content, true); if(data.data) return debom(data.data); if(data.asNodeBuffer && has_buf) return debom(data.asNodeBuffer().toString('binary')); if(data.asBinary) return debom(data.asBinary()); if(data._data && data._data.getContent) return debom(cc2str(Array.prototype.slice.call(data._data.getContent(),0))); return null;}
function getdatabin(data) { if(!data) return null; if(data.data) return char_codes(data.data); if(data.asNodeBuffer && has_buf) return data.asNodeBuffer(); if(data._data && data._data.getContent) { var o = data._data.getContent(); if(typeof o == "string") return char_codes(o); return Array.prototype.slice.call(o); } if(data.content && data.type) return data.content; return null;}
function getdata(data) { return (data && data.name.slice(-4) === ".bin") ? getdatabin(data) : getdatastr(data); }
/* Part 2 Section 10.1.2 "Mapping Content Types" Names are case-insensitive *//* OASIS does not comment on filename case sensitivity */function safegetzipfile(zip, file/*:string*/) { var k = zip.FullPaths || keys(zip.files); var f = file.toLowerCase().replace(/[\/]/g, '\\'), g = f.replace(/\\/g,'\/'); for(var i=0; i<k.length; ++i) { var n = k[i].replace(/^Root Entry[\/]/,"").toLowerCase(); if(f == n || g == n) return zip.files ? zip.files[k[i]] : zip.FileIndex[i]; } return null;}
function getzipfile(zip, file/*:string*/) { var o = safegetzipfile(zip, file); if(o == null) throw new Error("Cannot find file " + file + " in zip"); return o;}
function getzipdata(zip, file/*:string*/, safe/*:?boolean*/)/*:any*/ { if(!safe) return getdata(getzipfile(zip, file)); if(!file) return null; try { return getzipdata(zip, file); } catch(e) { return null; }}
function getzipstr(zip, file/*:string*/, safe/*:?boolean*/)/*:?string*/ { if(!safe) return getdatastr(getzipfile(zip, file)); if(!file) return null; try { return getzipstr(zip, file); } catch(e) { return null; }}
function getzipbin(zip, file/*:string*/, safe/*:?boolean*/)/*:any*/ { if(!safe) return getdatabin(getzipfile(zip, file)); if(!file) return null; try { return getzipbin(zip, file); } catch(e) { return null; }}
function zipentries(zip) { var k = zip.FullPaths || keys(zip.files), o = []; for(var i = 0; i < k.length; ++i) if(k[i].slice(-1) != '/') o.push(k[i].replace(/^Root Entry[\/]/, "")); return o.sort();}
function zip_add_file(zip, path, content) { if(zip.FullPaths) { if(typeof content == "string") { var res; if(has_buf) res = Buffer_from(content); /* TODO: investigate performance in Edge 13 */ //else if(typeof TextEncoder !== "undefined") res = new TextEncoder().encode(content); else res = utf8decode(content); return CFB.utils.cfb_add(zip, path, res); } CFB.utils.cfb_add(zip, path, content); } else zip.file(path, content);}
function zip_new() { return CFB.utils.cfb_new(); }
function zip_read(d, o) { switch(o.type) { case "base64": return CFB.read(d, { type: "base64" }); case "binary": return CFB.read(d, { type: "binary" }); case "buffer": case "array": return CFB.read(d, { type: "buffer" }); } throw new Error("Unrecognized type " + o.type);}
function resolve_path(path/*:string*/, base/*:string*/)/*:string*/ { if(path.charAt(0) == "/") return path.slice(1); var result = base.split('/'); if(base.slice(-1) != "/") result.pop(); // folder path var target = path.split('/'); while (target.length !== 0) { var step = target.shift(); if (step === '..') result.pop(); else if (step !== '.') result.push(step); } return result.join('/');}