From 8f5151c2e01417d269980ac71886ae34c9ae3efb Mon Sep 17 00:00:00 2001
From: Nathan Breit <nabreit@gmail.com>
Date: Sun, 17 Feb 2013 22:16:38 -0500
Subject: [PATCH] Fixing a conversion bug and adding JSON helper
closes #1
---
xlsx.js | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 55 insertions(+), 2 deletions(-)
diff --git a/xlsx.js b/xlsx.js
index df10083..a9ffb58 100644
--- a/xlsx.js
+++ b/xlsx.js
@@ -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') {