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DSV detect semicolon ';' delimiter

This commit is contained in:
Dumitru Uzun 2017-10-16 14:47:13 +03:00
parent 6d741ebd3a
commit 51b4751b95
3 changed files with 96 additions and 12 deletions
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36
bits/40_harb.js
View File

@ -512,14 +512,42 @@ var PRN = (function() {
return arr;
}
// List of accepted CSV separators
var guess_seps = {
0x2C: ',',
0x09: "\t",
0x3B: ';'
};
// CSV separator weights to be used in case of equal numbers
var guess_sep_weights = {
0x2C: 3,
0x09: 2,
0x3B: 1
};
function guess_sep(str) {
var cnt = [], instr = false, end = 0, cc = 0;
var cnt = {}, instr = false, end = 0, cc = 0;
for(;end < str.length;++end) {
if((cc=str.charCodeAt(end)) == 0x22) instr = !instr;
else if(!instr) cnt[cc] = (cnt[cc]||0)+1;
else if(!instr && cc in guess_seps) cnt[cc] = (cnt[cc]||0)+1;
}
if((cnt[0x2C]||0) >= (cnt[0x09]||0)) return ",";
return "\t";
cc = [];
for(end in cnt) if ( cnt.hasOwnProperty(end) ) {
cc.push([ cnt[end], end ]);
}
if ( !cc.length ) {
cnt = guess_sep_weights;
for(end in cnt) if ( cnt.hasOwnProperty(end) ) {
cc.push([ cnt[end], end ]);
}
}
cc.sort(function(a, b) { return a[0] - b[0] || guess_sep_weights[a[1]] - guess_sep_weights[b[1]]; });
return guess_seps[cc.pop()[1]];
}
function dsv_to_sheet_str(str/*:string*/, opts)/*:Worksheet*/ {

36
xlsx.flow.js
View File

@ -5974,14 +5974,42 @@ var PRN = (function() {
return arr;
}
// List of accepted CSV separators
var guess_seps = {
0x2C: ',',
0x09: "\t",
0x3B: ';'
};
// CSV separator weights to be used in case of equal numbers
var guess_sep_weights = {
0x2C: 3,
0x09: 2,
0x3B: 1
};
function guess_sep(str) {
var cnt = [], instr = false, end = 0, cc = 0;
var cnt = {}, instr = false, end = 0, cc = 0;
for(;end < str.length;++end) {
if((cc=str.charCodeAt(end)) == 0x22) instr = !instr;
else if(!instr) cnt[cc] = (cnt[cc]||0)+1;
else if(!instr && cc in guess_seps) cnt[cc] = (cnt[cc]||0)+1;
}
if((cnt[0x2C]||0) >= (cnt[0x09]||0)) return ",";
return "\t";
cc = [];
for(end in cnt) if ( cnt.hasOwnProperty(end) ) {
cc.push([ cnt[end], end ]);
}
if ( !cc.length ) {
cnt = guess_sep_weights;
for(end in cnt) if ( cnt.hasOwnProperty(end) ) {
cc.push([ cnt[end], end ]);
}
}
cc.sort(function(a, b) { return a[0] - b[0] || guess_sep_weights[a[1]] - guess_sep_weights[b[1]]; });
return guess_seps[cc.pop()[1]];
}
function dsv_to_sheet_str(str/*:string*/, opts)/*:Worksheet*/ {

36
xlsx.js
View File

@ -5890,14 +5890,42 @@ var PRN = (function() {
return arr;
}
// List of accepted CSV separators
var guess_seps = {
0x2C: ',',
0x09: "\t",
0x3B: ';'
};
// CSV separator weights to be used in case of equal numbers
var guess_sep_weights = {
0x2C: 3,
0x09: 2,
0x3B: 1
};
function guess_sep(str) {
var cnt = [], instr = false, end = 0, cc = 0;
var cnt = {}, instr = false, end = 0, cc = 0;
for(;end < str.length;++end) {
if((cc=str.charCodeAt(end)) == 0x22) instr = !instr;
else if(!instr) cnt[cc] = (cnt[cc]||0)+1;
else if(!instr && cc in guess_seps) cnt[cc] = (cnt[cc]||0)+1;
}
if((cnt[0x2C]||0) >= (cnt[0x09]||0)) return ",";
return "\t";
cc = [];
for(end in cnt) if ( cnt.hasOwnProperty(end) ) {
cc.push([ cnt[end], end ]);
}
if ( !cc.length ) {
cnt = guess_sep_weights;
for(end in cnt) if ( cnt.hasOwnProperty(end) ) {
cc.push([ cnt[end], end ]);
}
}
cc.sort(function(a, b) { return a[0] - b[0] || guess_sep_weights[a[1]] - guess_sep_weights[b[1]]; });
return guess_seps[cc.pop()[1]];
}
function dsv_to_sheet_str(str, opts) {