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added fetchLineNumber(editor) and getLineNumber()

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added helper function fetchLineNumber(editor) to return the line number that the cursor is on and refactored the code to make use of this helper function in various places. Also added function getLineNumber() which will output the current line number the cursor is on.
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tel0065 2022-03-23 18:20:44 -05:00 committed by GitHub
parent d76cc3d06d
commit cfcbfd43fc
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 31 additions and 3 deletions
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34
src/commands/text.ts
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@ -4,6 +4,10 @@ exports.textCommands = void 0;
const vscode = require("vscode");
const pl = require("../pylex");
exports.textCommands = [
{
name: 'mind-reader.getLineNumber',
callback: getLineNumber,
},
{
name: 'mind-reader.getIndent',
callback: getIndent,
@ -21,10 +25,30 @@ exports.textCommands = [
callback: runCursorContext
}
];
/* Helper Function
* This function returns the line number of the active text editor window
*/
function fetchLineNumber(editor) {
return editor.selection.active.line + 1;
}
// Function that outputs the current line number the cursor is on
function getLineNumber() {
let editor = vscode.window.activeTextEditor;
if (editor) {
let lineNum = fetchLineNumber(editor);
vscode.window.showInformationMessage("Line " + lineNum.toString());
}
else {
vscode.window.showErrorMessage('No document currently active');
}
}
function getIndent() {
let editor = vscode.window.activeTextEditor;
if (editor) {
let lineNum = editor.selection.active.line + 1;
let lineNum = fetchLineNumber(editor);
let textLine = editor.document.lineAt(lineNum - 1);
if (textLine.isEmptyOrWhitespace) {
vscode.window.showInformationMessage("Line number " + lineNum.toString() + " Is Empty");
@ -43,18 +67,22 @@ function getIndent() {
vscode.window.showErrorMessage('No document currently active');
}
}
/* Function -> Returns the number of leading spaces on the line the cursor is on
* This is done by returning the index of the first non whitespace character
* Since this index is a 0-index, the returned number will correspond to the number of leading spaces
*/
function getLeadingSpaces() {
let editor = vscode.window.activeTextEditor;
if (editor) {
let lineNum = editor.selection.active.line + 1;
let lineNum = fetchLineNumber(editor);
let textLine = editor.document.lineAt(lineNum - 1);
if(textLine.isEmptyOrWhitespace) {
vscode.window.showInformationMessage("Line number " + lineNum.toString() + " Is Empty");
}
else {
let numSpaces = textLine.firstNonWhitespaceCharacterIndex;
vscode.window.showInformationMessage("Line Number " + lineNum.toString() + ": " + numSpaces.toString() + " Leading Spaces ");
vscode.window.showInformationMessage("Line Number " + lineNum.toString() + " Has " + numSpaces.toString()+ " Leading Spaces ");
}
}
else {