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added getLeadingSpaces() function

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Added function that would return  the number of leading spaces on a line
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tel0065 2022-03-23 17:44:56 -05:00 committed by GitHub
parent 30248966bf
commit cac31ceaa9
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1 changed files with 147 additions and 149 deletions
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118
src/commands/text.ts
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@ -1,83 +1,92 @@
import * as vscode from 'vscode'; "use strict";
import * as pl from '../pylex'; Object.defineProperty(exports, "__esModule", { value: true });
exports.textCommands = void 0;
import { CommandEntry } from './commandEntry'; const vscode = require("vscode");
const pl = require("../pylex");
export const textCommands: CommandEntry[] = [ exports.textCommands = [
{ {
name: 'mind-reader.getIndent', name: 'mind-reader.getIndent',
callback: getIndent, callback: getIndent,
}, },
{
name: 'mind-reader.getLeadingSpaces',
callback: getLeadingSpaces,
},
{ {
name: 'mind-reader.runLineContext', name: 'mind-reader.runLineContext',
callback: runLineContext, callback: runLineContext,
}, },
{ {
name: 'mind-reader.runCursorContext', name: 'mind-reader.runCursorContext',
callback: runCursorContext callback: runCursorContext
} }
] ];
function getIndent() {
function getIndent(): void {
let editor = vscode.window.activeTextEditor; let editor = vscode.window.activeTextEditor;
if(editor) if (editor) {
{
let lineNum = editor.selection.active.line + 1; let lineNum = editor.selection.active.line + 1;
let textLine = editor.document.lineAt(lineNum - 1); let textLine = editor.document.lineAt(lineNum - 1);
if(textLine.isEmptyOrWhitespace) if (textLine.isEmptyOrWhitespace) {
{
vscode.window.showInformationMessage("Line number " + lineNum.toString() + " Is Empty"); vscode.window.showInformationMessage("Line number " + lineNum.toString() + " Is Empty");
} }
else else {
{
// Grab tab format from open document // Grab tab format from open document
let tabFmt = { let tabFmt = {
size: editor.options.tabSize as number, size: editor.options.tabSize,
hard: !editor.options.insertSpaces hard: !editor.options.insertSpaces
}; };
let i = pl.Lexer.getIndent(textLine.text, tabFmt); let i = pl.Lexer.getIndent(textLine.text, tabFmt);
vscode.window.showInformationMessage("Line Number " + lineNum.toString() + " Indentation " + i.toString()); vscode.window.showInformationMessage("Line Number " + lineNum.toString() + " Indentation " + i.toString());
} }
} }
else{ else {
vscode.window.showErrorMessage('No document currently active'); vscode.window.showErrorMessage('No document currently active');
} }
} }
function getLeadingSpaces() {
function runLineContext(): void {
let editor = vscode.window.activeTextEditor; let editor = vscode.window.activeTextEditor;
if (editor){
if (editor) {
let lineNum = editor.selection.active.line + 1;
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 ";
}
}
else {
vscode.window.showErrorMessage('No document currently active');
}
}
function runLineContext() {
let editor = vscode.window.activeTextEditor;
if (editor) {
// current text and line number // current text and line number
let editorText = editor.document.getText(); let editorText = editor.document.getText();
let line = editor.selection.active.line; let line = editor.selection.active.line;
// get tab info settings // get tab info settings
let size = parseInt(editor.options.tabSize as string); let size = parseInt(editor.options.tabSize);
let hard = !editor.options.insertSpaces; let hard = !editor.options.insertSpaces;
// initialize parser // initialize parser
let parser = new pl.Parser(editorText, {size, hard}); let parser = new pl.Parser(editorText, { size, hard });
parser.parse(); parser.parse();
let context = parser.context(line); let context = parser.context(line);
// build text // build text
let contentString = createContextString(context, line); let contentString = createContextString(context, line);
vscode.window.showInformationMessage(contentString); vscode.window.showInformationMessage(contentString);
} else { }
else {
vscode.window.showErrorMessage('No document currently active'); vscode.window.showErrorMessage('No document currently active');
} }
} }
function createContextString(context, line) {
function createContextString(context: pl.LexNode[], line: number): string {
if (context.length < 1) { if (context.length < 1) {
throw new Error('Cannot create context string for empty context'); throw new Error('Cannot create context string for empty context');
} }
let contextString = 'Line ' + (line + 1); // 1 based
let contextString = 'Line ' + (line+1); // 1 based
if (context[0].token && context[0].token.attr) { if (context[0].token && context[0].token.attr) {
contextString += ': ' + context[0].token.type.toString() + ' ' + context[0].token.attr.toString(); contextString += ': ' + context[0].token.type.toString() + ' ' + context[0].token.attr.toString();
} }
@ -88,81 +97,70 @@ function createContextString(context: pl.LexNode[], line: number): string {
contextString += ' in the Document Root'; contextString += ' in the Document Root';
continue; continue;
} }
if (node.token.type !== pl.PylexSymbol.EMPTY &&
if (node.token!.type !== pl.PylexSymbol.EMPTY && node.token.type !== pl.PylexSymbol.INDENT) {
node.token!.type !== pl.PylexSymbol.INDENT) { contextString += ' inside ' + node.token.type.toString();
contextString += ' inside ' + node.token!.type.toString(); if (node.token.attr) {
if (node.token!.attr) { contextString += ' ' + node.token.attr.toString();
contextString += ' ' + node.token!.attr.toString();
} }
} }
} }
return contextString; return contextString;
} }
// find up to `n` words around the cursor, where `n` is // find up to `n` words around the cursor, where `n` is
// the value of `#mindReader.reader.contextWindow` // the value of `#mindReader.reader.contextWindow`
function runCursorContext(): void { function runCursorContext() {
let editor = vscode.window.activeTextEditor; let editor = vscode.window.activeTextEditor;
if (!editor) { if (!editor) {
vscode.window.showErrorMessage('RunCursorContext: No Active Editor'); vscode.window.showErrorMessage('RunCursorContext: No Active Editor');
return; return;
} }
const cursorPos = editor.selection.active;
const cursorPos: vscode.Position = editor.selection.active; const text = editor.document.lineAt(cursorPos).text;
const text: string = editor.document.lineAt(cursorPos).text; const windowSize = vscode.workspace.getConfiguration('mindReader').get('reader.contextWindow');
const windowSize: number = vscode.workspace.getConfiguration('mindReader').get('reader.contextWindow')!;
let trimmedText = text.trimStart(); // trim leading whitespace let trimmedText = text.trimStart(); // trim leading whitespace
let leadingWS = text.length - trimmedText.length; // # of characters of leading whitespace let leadingWS = text.length - trimmedText.length; // # of characters of leading whitespace
trimmedText = trimmedText.trimEnd(); // trim trailing whitespace trimmedText = trimmedText.trimEnd(); // trim trailing whitespace
let pos = leadingWS; let pos = leadingWS;
let maxPos = text.length; let maxPos = text.length;
// clamp cursor start/end to new range // clamp cursor start/end to new range
let col = cursorPos.character; // effective column of the cursor position let col = cursorPos.character; // effective column of the cursor position
if (col < leadingWS) { if (col < leadingWS) {
// move effective start to first non-whitespace character in the line // move effective start to first non-whitespace character in the line
col = leadingWS; col = leadingWS;
} else if (col > leadingWS + trimmedText.length - 1) { }
else if (col > leadingWS + trimmedText.length - 1) {
// move effective end to last non-whitespace character in the line // move effective end to last non-whitespace character in the line
col = leadingWS + trimmedText.length - 1; col = leadingWS + trimmedText.length - 1;
} }
// generate list of space separate words with range data (start, end) // generate list of space separate words with range data (start, end)
// TODO: can find user position to be done in one pass // TODO: can find user position to be done in one pass
let spaceWords: {word: string, start: number, end: number}[] = []; let spaceWords = [];
while (pos < maxPos && trimmedText.length > 0) { while (pos < maxPos && trimmedText.length > 0) {
let word = trimmedText.replace(/ .*/, ''); let word = trimmedText.replace(/ .*/, '');
spaceWords.push({word, start: pos, end: pos+word.length}); spaceWords.push({ word, start: pos, end: pos + word.length });
// remove processed word from trimmed text // remove processed word from trimmed text
const oldText = trimmedText; const oldText = trimmedText;
trimmedText = trimmedText.replace(/[^ ]+/, '').trimStart(); trimmedText = trimmedText.replace(/[^ ]+/, '').trimStart();
// update pos to start of next word // update pos to start of next word
pos += oldText.length - trimmedText.length; pos += oldText.length - trimmedText.length;
} }
// find word the user is in // find word the user is in
let contextStart: number = -1, contextEnd: number = -1; let contextStart = -1, contextEnd = -1;
for (let i = 0; i < spaceWords.length; i++) { for (let i = 0; i < spaceWords.length; i++) {
if (col >= spaceWords[i].start && col <= spaceWords[i].end) { if (col >= spaceWords[i].start && col <= spaceWords[i].end) {
// found the word // found the word
contextStart = Math.max(0, i - windowSize); // clamp start index contextStart = Math.max(0, i - windowSize); // clamp start index
contextEnd = Math.min(spaceWords.length, i + windowSize + 1); // clamp end index contextEnd = Math.min(spaceWords.length, i + windowSize + 1); // clamp end index
// construct cursor context string // construct cursor context string
let contextString = ''; let contextString = '';
for (let i = contextStart; i < contextEnd; i++) { for (let i = contextStart; i < contextEnd; i++) {
contextString += spaceWords[i].word + ' '; contextString += spaceWords[i].word + ' ';
} }
// output cursor context string // output cursor context string
vscode.window.showInformationMessage(contextString); vscode.window.showInformationMessage(contextString);
return; return;
} }
} }
} }
//# sourceMappingURL=text.js.map