forked from sheetjs/sheetjs
117 lines
3.8 KiB
JavaScript
117 lines
3.8 KiB
JavaScript
(function(utils) {
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utils.consts = utils.consts || {};
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function add_consts(R/*Array<any>*/) { R.forEach(function(a){ utils.consts[a[0]] = a[1]; }); }
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function get_default(x/*:any*/, y/*:any*/, z/*:any*/)/*:any*/ { return x[y] != null ? x[y] : (x[y] = z); }
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/* get cell, creating a stub if necessary */
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function ws_get_cell_stub(ws/*:Worksheet*/, R, C/*:?number*/)/*:Cell*/ {
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/* A1 cell address */
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if(typeof R == "string") {
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/* dense */
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if(Array.isArray(ws)) {
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var RC = decode_cell(R);
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if(!ws[RC.r]) ws[RC.r] = [];
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return ws[RC.r][RC.c] || (ws[RC.r][RC.c] = {t:'z'});
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}
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return ws[R] || (ws[R] = {t:'z'});
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}
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/* cell address object */
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if(typeof R != "number") return ws_get_cell_stub(ws, encode_cell(R));
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/* R and C are 0-based indices */
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return ws_get_cell_stub(ws, encode_cell({r:R,c:C||0}));
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}
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utils.sheet_get_cell = ws_get_cell_stub;
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/* find sheet index for given name / validate index */
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function wb_sheet_idx(wb/*:Workbook*/, sh/*:number|string*/) {
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if(typeof sh == "number") {
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if(sh >= 0 && wb.SheetNames.length > sh) return sh;
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throw new Error("Cannot find sheet # " + sh);
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} else if(typeof sh == "string") {
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var idx = wb.SheetNames.indexOf(sh);
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if(idx > -1) return idx;
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throw new Error("Cannot find sheet name |" + sh + "|");
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} else throw new Error("Cannot find sheet |" + sh + "|");
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}
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/* simple blank workbook object */
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utils.book_new = function()/*:Workbook*/ {
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return { SheetNames: [], Sheets: {} };
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};
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/* add a worksheet to the end of a given workbook */
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utils.book_append_sheet = function(wb/*:Workbook*/, ws/*:Worksheet*/, name/*:?string*/) {
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if(!name) for(var i = 1; i <= 0xFFFF; ++i, name = undefined) if(wb.SheetNames.indexOf(name = "Sheet" + i) == -1) break;
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if(!name || wb.SheetNames.length >= 0xFFFF) throw new Error("Too many worksheets");
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check_ws_name(name);
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if(wb.SheetNames.indexOf(name) >= 0) throw new Error("Worksheet with name |" + name + "| already exists!");
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wb.SheetNames.push(name);
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wb.Sheets[name] = ws;
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};
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/* set sheet visibility (visible/hidden/very hidden) */
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utils.book_set_sheet_visibility = function(wb/*:Workbook*/, sh/*:number|string*/, vis/*:number*/) {
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get_default(wb,"Workbook",{});
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get_default(wb.Workbook,"Sheets",[]);
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var idx = wb_sheet_idx(wb, sh);
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// $FlowIgnore
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get_default(wb.Workbook.Sheets,idx, {});
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switch(vis) {
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case 0: case 1: case 2: break;
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default: throw new Error("Bad sheet visibility setting " + vis);
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}
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// $FlowIgnore
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wb.Workbook.Sheets[idx].Hidden = vis;
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};
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add_consts([
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["SHEET_VISIBLE", 0],
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["SHEET_HIDDEN", 1],
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["SHEET_VERY_HIDDEN", 2]
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]);
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/* set number format */
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utils.cell_set_number_format = function(cell/*:Cell*/, fmt/*:string|number*/) {
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cell.z = fmt;
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return cell;
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};
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/* set cell hyperlink */
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utils.cell_set_hyperlink = function(cell/*:Cell*/, target/*:string*/, tooltip/*:?string*/) {
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if(!target) {
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delete cell.l;
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} else {
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cell.l = ({ Target: target }/*:Hyperlink*/);
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if(tooltip) cell.l.Tooltip = tooltip;
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}
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return cell;
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};
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utils.cell_set_internal_link = function(cell/*:Cell*/, range/*:string*/, tooltip/*:?string*/) { return utils.cell_set_hyperlink(cell, "#" + range, tooltip); };
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/* add to cell comments */
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utils.cell_add_comment = function(cell/*:Cell*/, text/*:string*/, author/*:?string*/) {
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if(!cell.c) cell.c = [];
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cell.c.push({t:text, a:author||"SheetJS"});
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};
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/* set array formula and flush related cells */
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utils.sheet_set_array_formula = function(ws/*:Worksheet*/, range, formula/*:string*/) {
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var rng = typeof range != "string" ? range : safe_decode_range(range);
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var rngstr = typeof range == "string" ? range : encode_range(range);
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for(var R = rng.s.r; R <= rng.e.r; ++R) for(var C = rng.s.c; C <= rng.e.c; ++C) {
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var cell = ws_get_cell_stub(ws, R, C);
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cell.t = 'n';
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cell.F = rngstr;
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delete cell.v;
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if(R == rng.s.r && C == rng.s.c) cell.f = formula;
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}
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return ws;
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};
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return utils;
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})(utils);
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