| New file |
|---|
| 0,0 → 1,69 |
|---|
| if(!dojo._hasResource["dojo.data.util.filter"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. |
| dojo._hasResource["dojo.data.util.filter"] = true; |
| dojo.provide("dojo.data.util.filter"); |
| |
| dojo.data.util.filter.patternToRegExp = function(/*String*/pattern, /*boolean?*/ ignoreCase){ |
| // summary: |
| // Helper function to convert a simple pattern to a regular expression for matching. |
| // description: |
| // Returns a regular expression object that conforms to the defined conversion rules. |
| // For example: |
| // ca* -> /^ca.*$/ |
| // *ca* -> /^.*ca.*$/ |
| // *c\*a* -> /^.*c\*a.*$/ |
| // *c\*a?* -> /^.*c\*a..*$/ |
| // and so on. |
| // |
| // pattern: string |
| // A simple matching pattern to convert that follows basic rules: |
| // * Means match anything, so ca* means match anything starting with ca |
| // ? Means match single character. So, b?b will match to bob and bab, and so on. |
| // \ is an escape character. So for example, \* means do not treat * as a match, but literal character *. |
| // To use a \ as a character in the string, it must be escaped. So in the pattern it should be |
| // represented by \\ to be treated as an ordinary \ character instead of an escape. |
| // |
| // ignoreCase: |
| // An optional flag to indicate if the pattern matching should be treated as case-sensitive or not when comparing |
| // By default, it is assumed case sensitive. |
| |
| var rxp = "^"; |
| var c = null; |
| for(var i = 0; i < pattern.length; i++){ |
| c = pattern.charAt(i); |
| switch (c) { |
| case '\\': |
| rxp += c; |
| i++; |
| rxp += pattern.charAt(i); |
| break; |
| case '*': |
| rxp += ".*"; break; |
| case '?': |
| rxp += "."; break; |
| case '$': |
| case '^': |
| case '/': |
| case '+': |
| case '.': |
| case '|': |
| case '(': |
| case ')': |
| case '{': |
| case '}': |
| case '[': |
| case ']': |
| rxp += "\\"; //fallthrough |
| default: |
| rxp += c; |
| } |
| } |
| rxp += "$"; |
| if(ignoreCase){ |
| return new RegExp(rxp,"i"); //RegExp |
| }else{ |
| return new RegExp(rxp); //RegExp |
| } |
| |
| }; |
| |
| } |