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Fixing a conversion bug and adding JSON helper

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closes #1
This commit is contained in:
Nathan Breit 2013-02-17 22:16:38 -05:00 committed by SheetJS
parent f010c3165e
commit 8f5151c2e0
1 changed files with 55 additions and 2 deletions
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57
xlsx.js
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@ -148,7 +148,10 @@ function parseProps(data) {
strings.forEach(function(f){p[f] = (data.match(matchtag(f))||[])[1];});
bools.forEach(function(f){p[f] = data.match(matchtag(f))[1] == "true";});
xtra.forEach(function(f){q[f] = data.match(new RegExp("<" + f + "[^>]*>(.*)<\/" + f + ">"))[1];});
xtra.forEach(function(f) {
var cur = data.match(new RegExp("<" + f + "[^>]*>(.*)<\/" + f + ">"));
if(cur && cur.length > 0) q[f] = cur[1];
});
p["Worksheets"] = parseInt(q["HeadingPairs"].match(new RegExp("<vt:i4>(.*)<\/vt:i4>"))[1], 10);
p["SheetNames"] = q["TitlesOfParts"].match(new RegExp("<vt:lpstr>([^<]*)<\/vt:lpstr>","g")).map(function(x){return x.match(new RegExp("<vt:lpstr>([^<]*)<\/vt:lpstr>"))[1];});
@ -304,6 +307,55 @@ function split_cell(cstr) { return cstr.replace(/(\$?[A-Z]*)(\$?[0-9]*)/,"$1,$2"
function decode_cell(cstr) { var splt = split_cell(cstr); return { c:decode_col(splt[0]), r:decode_row(splt[1]) }; }
function decode_range(range) { var x =range.split(":").map(decode_cell); return {s:x[0],e:x[x.length-1]}; }
/**
* Convert a sheet into an array of objects where the column headers are keys.
**/
function sheet_to_row_object_array(sheet){
var val, rowObject, range, columnHeaders, emptyRow, C;
var outSheet = [];
if (sheet["!ref"]) {
range = XLSX.utils.decode_range(sheet["!ref"]);
columnHeaders = {};
for (C = range.s.c; C <= range.e.c; ++C) {
val = sheet[XLSX.utils.encode_cell({
c: C,
r: range.s.r
})];
if(val){
if(val.t === "s"){
columnHeaders[C] = val.v;
}
}
}
for (var R = range.s.r + 1; R <= range.e.r; ++R) {
emptyRow = true;
//Row number is recorded in the prototype
//so that it doesn't appear when stringified.
rowObject = Object.create({ __rowNum__ : R });
for (C = range.s.c; C <= range.e.c; ++C) {
val = sheet[XLSX.utils.encode_cell({
c: C,
r: R
})];
if(val){
if(val.t === "s"){
rowObject[columnHeaders[C]] = val.v;
} else {
throw 'unrecognized type ' + val.t;
}
emptyRow = false;
}
}
if(!emptyRow) {
outSheet.push(rowObject);
}
}
}
return outSheet;
}
var utils = {
encode_col: encode_col,
encode_row: encode_row,
@ -312,7 +364,8 @@ var utils = {
decode_row: decode_row,
split_cell: split_cell,
decode_cell: decode_cell,
decode_range: decode_range
decode_range: decode_range,
sheet_to_row_object_array: sheet_to_row_object_array
};
if(typeof require !== 'undefined' && typeof exports !== 'undefined') {