forked from SheetJS/sheetjs
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy path79_html.js
230 lines (220 loc) · 10.2 KB
/
79_html.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
/* note: browser DOM element cannot see mso- style attrs, must parse */
function html_to_sheet(str/*:string*/, _opts)/*:Workbook*/ {
var opts = _opts || {};
if(DENSE != null && opts.dense == null) opts.dense = DENSE;
var ws/*:Worksheet*/ = opts.dense ? ([]/*:any*/) : ({}/*:any*/);
str = str.replace(/<!--.*?-->/g, "");
var mtch/*:any*/ = str.match(/<table/i);
if(!mtch) throw new Error("Invalid HTML: could not find <table>");
var mtch2/*:any*/ = str.match(/<\/table/i);
var i/*:number*/ = mtch.index, j/*:number*/ = mtch2 && mtch2.index || str.length;
var rows = split_regex(str.slice(i, j), /(:?<tr[^>]*>)/i, "<tr>");
var R = -1, C = 0, RS = 0, CS = 0;
var range/*:Range*/ = {s:{r:10000000, c:10000000},e:{r:0,c:0}};
var merges/*:Array<Range>*/ = [];
for(i = 0; i < rows.length; ++i) {
var row = rows[i].trim();
var hd = row.slice(0,3).toLowerCase();
if(hd == "<tr") { ++R; if(opts.sheetRows && opts.sheetRows <= R) { --R; break; } C = 0; continue; }
if(hd != "<td" && hd != "<th") continue;
var cells = row.split(/<\/t[dh]>/i);
for(j = 0; j < cells.length; ++j) {
var cell = cells[j].trim();
if(!cell.match(/<t[dh]/i)) continue;
var m = cell, cc = 0;
/* TODO: parse styles etc */
while(m.charAt(0) == "<" && (cc = m.indexOf(">")) > -1) m = m.slice(cc+1);
for(var midx = 0; midx < merges.length; ++midx) {
var _merge/*:Range*/ = merges[midx];
if(_merge.s.c == C && _merge.s.r < R && R <= _merge.e.r) { C = _merge.e.c + 1; midx = -1; }
}
var tag = parsexmltag(cell.slice(0, cell.indexOf(">")));
CS = tag.colspan ? +tag.colspan : 1;
if((RS = +tag.rowspan)>1 || CS>1) merges.push({s:{r:R,c:C},e:{r:R + (RS||1) - 1, c:C + CS - 1}});
var _t/*:string*/ = tag.t || tag["data-t"] || "";
/* TODO: generate stub cells */
if(!m.length) { C += CS; continue; }
m = htmldecode(m);
if(range.s.r > R) range.s.r = R; if(range.e.r < R) range.e.r = R;
if(range.s.c > C) range.s.c = C; if(range.e.c < C) range.e.c = C;
if(!m.length) { C += CS; continue; }
var o/*:Cell*/ = {t:'s', v:m};
if(opts.raw || !m.trim().length || _t == 's'){}
else if(m === 'TRUE') o = {t:'b', v:true};
else if(m === 'FALSE') o = {t:'b', v:false};
else if(!isNaN(fuzzynum(m))) o = {t:'n', v:fuzzynum(m)};
else if(!isNaN(fuzzydate(m).getDate())) {
o = ({t:'d', v:parseDate(m)}/*:any*/);
if(!opts.cellDates) o = ({t:'n', v:datenum(o.v)}/*:any*/);
o.z = opts.dateNF || table_fmt[14];
}
if(opts.dense) { if(!ws[R]) ws[R] = []; ws[R][C] = o; }
else ws[encode_cell({r:R, c:C})] = o;
C += CS;
}
}
ws['!ref'] = encode_range(range);
if(merges.length) ws["!merges"] = merges;
return ws;
}
function make_html_row(ws/*:Worksheet*/, r/*:Range*/, R/*:number*/, o/*:Sheet2HTMLOpts*/)/*:string*/ {
var M/*:Array<Range>*/ = (ws['!merges'] ||[]);
var oo/*:Array<string>*/ = [];
for(var C = r.s.c; C <= r.e.c; ++C) {
var RS = 0, CS = 0;
for(var j = 0; j < M.length; ++j) {
if(M[j].s.r > R || M[j].s.c > C) continue;
if(M[j].e.r < R || M[j].e.c < C) continue;
if(M[j].s.r < R || M[j].s.c < C) { RS = -1; break; }
RS = M[j].e.r - M[j].s.r + 1; CS = M[j].e.c - M[j].s.c + 1; break;
}
if(RS < 0) continue;
var coord = encode_cell({r:R,c:C});
var cell = o.dense ? (ws[R]||[])[C] : ws[coord];
/* TODO: html entities */
var w = (cell && cell.v != null) && (cell.h || escapehtml(cell.w || (format_cell(cell), cell.w) || "")) || "";
var sp = ({}/*:any*/);
if(RS > 1) sp.rowspan = RS;
if(CS > 1) sp.colspan = CS;
if(o.editable) w = '<span contenteditable="true">' + w + '</span>';
else if(cell) {
sp["data-t"] = cell && cell.t || 'z';
if(cell.v != null) sp["data-v"] = cell.v;
if(cell.z != null) sp["data-z"] = cell.z;
if(cell.l && (cell.l.Target || "#").charAt(0) != "#") w = '<a href="' + cell.l.Target +'">' + w + '</a>';
}
sp.id = (o.id || "sjs") + "-" + coord;
oo.push(writextag('td', w, sp));
}
var preamble = "<tr>";
return preamble + oo.join("") + "</tr>";
}
var HTML_BEGIN = '<html><head><meta charset="utf-8"/><title>SheetJS Table Export</title></head><body>';
var HTML_END = '</body></html>';
function html_to_workbook(str/*:string*/, opts)/*:Workbook*/ {
var mtch = str.match(/<table[\s\S]*?>[\s\S]*?<\/table>/gi);
if(!mtch || mtch.length == 0) throw new Error("Invalid HTML: could not find <table>");
if(mtch.length == 1) return sheet_to_workbook(html_to_sheet(mtch[0], opts), opts);
var wb = book_new();
mtch.forEach(function(s, idx) { book_append_sheet(wb, html_to_sheet(s, opts), "Sheet" + (idx+1)); });
return wb;
}
function make_html_preamble(ws/*:Worksheet*/, R/*:Range*/, o/*:Sheet2HTMLOpts*/)/*:string*/ {
var out/*:Array<string>*/ = [];
return out.join("") + '<table' + (o && o.id ? ' id="' + o.id + '"' : "") + '>';
}
function sheet_to_html(ws/*:Worksheet*/, opts/*:?Sheet2HTMLOpts*//*, wb:?Workbook*/)/*:string*/ {
var o = opts || {};
var header = o.header != null ? o.header : HTML_BEGIN;
var footer = o.footer != null ? o.footer : HTML_END;
var out/*:Array<string>*/ = [header];
var r = decode_range(ws['!ref']);
o.dense = Array.isArray(ws);
out.push(make_html_preamble(ws, r, o));
for(var R = r.s.r; R <= r.e.r; ++R) out.push(make_html_row(ws, r, R, o));
out.push("</table>" + footer);
return out.join("");
}
function sheet_add_dom(ws/*:Worksheet*/, table/*:HTMLElement*/, _opts/*:?any*/)/*:Worksheet*/ {
var opts = _opts || {};
if(DENSE != null) opts.dense = DENSE;
var or_R = 0, or_C = 0;
if(opts.origin != null) {
if(typeof opts.origin == 'number') or_R = opts.origin;
else {
var _origin/*:CellAddress*/ = typeof opts.origin == "string" ? decode_cell(opts.origin) : opts.origin;
or_R = _origin.r; or_C = _origin.c;
}
}
var rows/*:HTMLCollection<HTMLTableRowElement>*/ = table.getElementsByTagName('tr');
var sheetRows = Math.min(opts.sheetRows||10000000, rows.length);
var range/*:Range*/ = {s:{r:0,c:0},e:{r:or_R,c:or_C}};
if(ws["!ref"]) {
var _range/*:Range*/ = decode_range(ws["!ref"]);
range.s.r = Math.min(range.s.r, _range.s.r);
range.s.c = Math.min(range.s.c, _range.s.c);
range.e.r = Math.max(range.e.r, _range.e.r);
range.e.c = Math.max(range.e.c, _range.e.c);
if(or_R == -1) range.e.r = or_R = _range.e.r + 1;
}
var merges/*:Array<Range>*/ = [], midx = 0;
var rowinfo/*:Array<RowInfo>*/ = ws["!rows"] || (ws["!rows"] = []);
var _R = 0, R = 0, _C = 0, C = 0, RS = 0, CS = 0;
if(!ws["!cols"]) ws['!cols'] = [];
for(; _R < rows.length && R < sheetRows; ++_R) {
var row/*:HTMLTableRowElement*/ = rows[_R];
if (is_dom_element_hidden(row)) {
if (opts.display) continue;
rowinfo[R] = {hidden: true};
}
var elts/*:HTMLCollection<HTMLTableCellElement>*/ = (row.children/*:any*/);
for(_C = C = 0; _C < elts.length; ++_C) {
var elt/*:HTMLTableCellElement*/ = elts[_C];
if (opts.display && is_dom_element_hidden(elt)) continue;
var v/*:?string*/ = elt.hasAttribute('data-v') ? elt.getAttribute('data-v') : elt.hasAttribute('v') ? elt.getAttribute('v') : htmldecode(elt.innerHTML);
var z/*:?string*/ = elt.getAttribute('data-z') || elt.getAttribute('z');
for(midx = 0; midx < merges.length; ++midx) {
var m/*:Range*/ = merges[midx];
if(m.s.c == C + or_C && m.s.r < R + or_R && R + or_R <= m.e.r) { C = m.e.c+1 - or_C; midx = -1; }
}
/* TODO: figure out how to extract nonstandard mso- style */
CS = +elt.getAttribute("colspan") || 1;
if( ((RS = (+elt.getAttribute("rowspan") || 1)))>1 || CS>1) merges.push({s:{r:R + or_R,c:C + or_C},e:{r:R + or_R + (RS||1) - 1, c:C + or_C + (CS||1) - 1}});
var o/*:Cell*/ = {t:'s', v:v};
var _t/*:string*/ = elt.getAttribute("data-t") || elt.getAttribute("t") || "";
if(v != null) {
if(v.length == 0) o.t = _t || 'z';
else if(opts.raw || v.trim().length == 0 || _t == "s"){}
else if(v === 'TRUE') o = {t:'b', v:true};
else if(v === 'FALSE') o = {t:'b', v:false};
else if(!isNaN(fuzzynum(v))) o = {t:'n', v:fuzzynum(v)};
else if(!isNaN(fuzzydate(v).getDate())) {
o = ({t:'d', v:parseDate(v)}/*:any*/);
if(!opts.cellDates) o = ({t:'n', v:datenum(o.v)}/*:any*/);
o.z = opts.dateNF || table_fmt[14];
}
}
if(o.z === undefined && z != null) o.z = z;
/* The first link is used. Links are assumed to be fully specified.
* TODO: The right way to process relative links is to make a new <a> */
var l = "", Aelts = elt.getElementsByTagName("A");
if(Aelts && Aelts.length) for(var Aelti = 0; Aelti < Aelts.length; ++Aelti) if(Aelts[Aelti].hasAttribute("href")) {
l = Aelts[Aelti].getAttribute("href"); if(l.charAt(0) != "#") break;
}
if(l && l.charAt(0) != "#") o.l = ({ Target: l });
if(opts.dense) { if(!ws[R + or_R]) ws[R + or_R] = []; ws[R + or_R][C + or_C] = o; }
else ws[encode_cell({c:C + or_C, r:R + or_R})] = o;
if(range.e.c < C + or_C) range.e.c = C + or_C;
C += CS;
}
++R;
}
if(merges.length) ws['!merges'] = (ws["!merges"] || []).concat(merges);
range.e.r = Math.max(range.e.r, R - 1 + or_R);
ws['!ref'] = encode_range(range);
if(R >= sheetRows) ws['!fullref'] = encode_range((range.e.r = rows.length-_R+R-1 + or_R,range)); // We can count the real number of rows to parse but we don't to improve the performance
return ws;
}
function parse_dom_table(table/*:HTMLElement*/, _opts/*:?any*/)/*:Worksheet*/ {
var opts = _opts || {};
var ws/*:Worksheet*/ = opts.dense ? ([]/*:any*/) : ({}/*:any*/);
return sheet_add_dom(ws, table, _opts);
}
function table_to_book(table/*:HTMLElement*/, opts/*:?any*/)/*:Workbook*/ {
return sheet_to_workbook(parse_dom_table(table, opts), opts);
}
function is_dom_element_hidden(element/*:HTMLElement*/)/*:boolean*/ {
var display/*:string*/ = '';
var get_computed_style/*:?function*/ = get_get_computed_style_function(element);
if(get_computed_style) display = get_computed_style(element).getPropertyValue('display');
if(!display) display = element.style && element.style.display;
return display === 'none';
}
/* global getComputedStyle */
function get_get_computed_style_function(element/*:HTMLElement*/)/*:?function*/ {
// The proper getComputedStyle implementation is the one defined in the element window
if(element.ownerDocument.defaultView && typeof element.ownerDocument.defaultView.getComputedStyle === 'function') return element.ownerDocument.defaultView.getComputedStyle;
// If it is not available, try to get one from the global namespace
if(typeof getComputedStyle === 'function') return getComputedStyle;
return null;
}