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Merge pull request #1835 from msaby/fixreplace

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Fix regular expression option in replace menu. Closes #1834
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Antonin Delpeuch 2018-11-22 16:09:34 +00:00 committed by GitHub
commit ccde661a27
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 12 deletions
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29
main/webapp/modules/core/scripts/views/data-table/menu-edit-cells.js
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@ -139,7 +139,7 @@ DataTableColumnHeaderUI.extendMenu(function(column, columnHeaderUI, menu) {
// p : a string without beginning and trailing "/"
// we need a manual check for unescaped /
// the GREL replace function cannot contain a pattern with unescaped /
// the GREL replace() function cannot contain a pattern with unescaped /
// but javascript Regexp accepts it and auto escape it
var pos = p.replace(/\\\//g,'').indexOf("/");
if (pos != -1) {
@ -160,34 +160,34 @@ DataTableColumnHeaderUI.extendMenu(function(column, columnHeaderUI, menu) {
// 1 characters : \ | 2 characters : \\
// 1 character : ' | 2 characters : \'
// 1 character : " | 2 characters : \"
// new line | 2 characters : \n
// tab | 2 characters : \t
// new line or tab | nothing
// other non printable char | nothing
// parameters :
// s : a string from an HTML input
// Note: it is not possible to insert new lines in HTML input but it is safer to search for them, in case the input field is replaced with a textarea
// Note: if the input field is replaced with a textarea, it could be imaginable to escape new lines and tabs as \n and \t
if (typeof s != 'string') {
return "";
}
// convert new lines and tabs manually typed in the HTML input into \n and \t, delete other non printable characters, escape \ ' and "
return s.replace(/\\/g, '\\\\').replace(/\n/g, '\\n').replace(/\t/g, '\\t').replace(/[\x00-\x1F\x80-\x9F]/g, '').replace(/'/g, "\\'").replace(/"/g, '\\"')
// delete new lines, tabs and other non printable characters, and escape \ ' and "
return s.replace(/[\x00-\x1F\x80-\x9F]/g, '').replace(/\\/g, '\\\\').replace(/'/g, "\\'").replace(/"/g, '\\"')
}
function escapeInputRegex(s) {
// if the HTML input is used as a regex pattern
// suppress new lines and tabs manually typed in the HTML input, and other non printable characters
// delete new lines, tabs and other non printable characters
// no need to escape \ or /
// parameters :
// s : a string from a HTML input
return (typeof s == 'string') ? s.replace(/[\x00-\x1F\x80-\x9F]/g, '') : ""
}
function stringToRegex(s) {
// converts a plain string to regex, in order to use the i flag
function escapedStringToRegex(s) {
// converts a plain string (beforehand escaped with escapeInputString) to regex, in order to use the i flag
// escaping is needed to force the regex processor to interpret every character litteraly
// parameters :
// s : a string from a HTML input, preprocessed with escapeInputString
if (typeof s != 'string') {
return "";
}
// no need to escape \ : already escaped by escapeInputString
// we MUST NOT escape \ : already escaped by escapeInputString
var EscapeCharsRegex = /[-|{}()[\]^$+*?.]/g;
// FIXME escaping of / directly by adding / or \/ or // in EscapeCharsRegex don't work...
return s.replace(EscapeCharsRegex, '\\$&').replace(/\//g, '\\/');
@ -255,9 +255,14 @@ DataTableColumnHeaderUI.extendMenu(function(column, columnHeaderUI, menu) {
var find_case_insensitive = elmts.find_case_insensitiveInput[0].checked;
var find_whole_word = elmts.find_whole_wordInput[0].checked;
replacement_text = escapeReplacementString(replace_dont_escape, replacement_text)
text_to_find = escapeInputString(text_to_find);
if (find_regex) {
text_to_find = escapeInputRegex(text_to_find);
}
else {
text_to_find = escapeInputString(text_to_find);
}
if (!find_regex && (find_case_insensitive || find_whole_word)) {
text_to_find = stringToRegex(text_to_find);
text_to_find = escapedStringToRegex(text_to_find);
}
if (find_regex || find_case_insensitive || find_whole_word ) {
if (!isValidRegexPattern (text_to_find)) {