Add a regex setting to ignore files based their paths.

package.json

@@ -66,6 +66,11 @@
           ],
           "description": "With this option you can ignore specific schemes. An item has to match the case-sensitive string of the scheme of the document."
         },
+        "trailing-spaces.pathToIgnore": {
+          "type": "string",
+          "default": "",
+          "description": "With this option you can ignore files whose paths contain a match for the regular expression (case insensitive)."
+        },
         "trailing-spaces.trimOnSave": {
           "type": "boolean",
           "default": false,

src/trailing-spaces/settings.ts

@@ -12,6 +12,7 @@ export interface TrailingSpacesSettings {
     deleteModifiedLinesOnly: boolean,
     languagesToIgnore: { [id: string]: boolean; },
     schemesToIgnore: { [id: string]: boolean; },
+    pathToIgnore: string,
     trimOnSave: boolean,
     showStatusBarMessage: boolean,
     textEditorDecorationType: vscode.TextEditorDecorationType
@@ -30,6 +31,7 @@ export class Settings implements TrailingSpacesSettings {
     deleteModifiedLinesOnly!: boolean;
     languagesToIgnore!: { [id: string]: boolean; };
     schemesToIgnore!: { [id: string]: boolean; };
+    pathToIgnore!: string;
     trimOnSave!: boolean;
     showStatusBarMessage!: boolean;
     textEditorDecorationType!: vscode.TextEditorDecorationType;
@@ -56,6 +58,7 @@ export class Settings implements TrailingSpacesSettings {
         this.deleteModifiedLinesOnly = config.get<boolean>('deleteModifiedLinesOnly');
         this.languagesToIgnore = this.getMapFromStringArray(config.get<string[]>('syntaxIgnore'));
         this.schemesToIgnore = this.getMapFromStringArray(config.get<string[]>('schemeIgnore'));
+        this.pathToIgnore = config.get<string>('pathToIgnore');
         this.trimOnSave = config.get<boolean>('trimOnSave');
         this.showStatusBarMessage = config.get<boolean>('showStatusBarMessage');
         this.textEditorDecorationType = this.getTextEditorDecorationType(config.get<string>('backgroundColor'), config.get<string>('borderColor'));
@@ -74,6 +77,7 @@ export class Settings implements TrailingSpacesSettings {
         config.update('deleteModifiedLinesOnly', undefined, true);
         config.update('syntaxIgnore', undefined, true);
         config.update('schemeIgnore', undefined, true);
+        config.update('pathToIgnore', undefined, true);
         config.update('trimOnSave', undefined, true);
         config.update('showStatusBarMessage', undefined, true);
         config.update('backgroundColor', undefined, true);

src/trailing-spaces/trailing-spaces.ts

@@ -147,7 +147,7 @@ export class TrailingSpaces {
      * @returns {vscode.Range[]} An array of ranges containing the trailing spaces
      */
     private findTrailingSpaces(document: vscode.TextDocument): vscode.Range[] {
-        if (this.ignoreDocument(document.languageId, document.uri.scheme)) {
+        if (this.ignoreDocument(document.languageId, document.uri)) {
             this.logger.info(`File with langauge '${document.languageId}' and scheme '${document.uri.scheme}' ignored - ${document.fileName}`);
             return [];
         } else {
@@ -180,8 +180,19 @@ export class TrailingSpaces {
      * @param {string} scheme The scheme of the document to be checked
      * @returns {boolean} A boolean indicating if the document needs to be ignored
      */
-    private ignoreDocument(language: string, scheme: string): boolean {
-        return (!isNullOrUndefined(language) && this.settings.languagesToIgnore[language]
-            || !isNullOrUndefined(scheme) && this.settings.schemesToIgnore[scheme]);
+    private ignoreDocument(language: string, uri: vscode.Uri): boolean {
+        if (!isNullOrUndefined(language) && this.settings.languagesToIgnore[language])
+            return true;
+
+        if (!isNullOrUndefined(uri.scheme) && this.settings.schemesToIgnore[uri.scheme])
+            return true;
+
+        if (!isNullOrUndefined(uri.path)
+            && !isNullOrUndefined(this.settings.pathToIgnore)
+            && this.settings.pathToIgnore !== ''
+            && RegExp(this.settings.pathToIgnore, 'i').test(uri.path))
+            return true;
+
+        return false;
     }
 }