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extension.js
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extension.js
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const vscode = require('vscode');
const start_char = ["(", "{", "[", "<"];
const end_char = [")", "}", "]", ">"];
function findBrackets(doc, line, char) {
var content = doc.lineAt(line);
var matches = (content.text).split(char).reduce(function (acc, p) {
var len = p.length + 1;
if (acc.length > 0) {
len += acc[acc.length - 1];
}
console.log(matches);
acc.push(len);
return acc;
}, []);
matches.pop();
return matches;
}
function findNext(doc, line, char, start_index, nest_char, nested) {
if (start_index === void 0) {
start_index = 0;
}
if (nest_char === void 0) {
nest_char = undefined;
}
if (nested === void 0) {
nested = 0;
}
if (line === doc.lineCount) {
return undefined;
};
var occurances = findBrackets(doc, line, char).filter(function (n) { return n >= start_index; });
var nests = nest_char ? findBrackets(doc, line, nest_char).filter(function (n) { return n >= start_index; }) : [];
var occurance_index = 0;
var nests_index = 0;
while ((occurance_index < occurances.length || nests_index < nests.length) && nested >= 0) {
if (occurances[occurance_index] < nests[nests_index] || !nests[nests_index]) {
if (nested === 0) {
return new vscode.Position(line, occurances[occurance_index]);
}
nested--;
occurance_index++;
}
else if (nests[nests_index] < occurances[occurance_index] || !occurances[occurance_index]) {
nested++;
nests_index++;
}
}
return findNext(doc, ++line, char, 0, nest_char, nested);
}
function findPrevious(doc, line, char, start_index, nest_char, nested) {
if (nest_char === void 0) {
nest_char = undefined;
}
if (nested === void 0) {
nested = 0;
}
if (line === -1) {
return undefined;
}
;
if (start_index === undefined) {
start_index = doc.lineAt(line).text.length;
}
var occurances = findBrackets(doc, line, char).filter(function (n) { return n <= start_index; });
var nests = nest_char ? findBrackets(doc, line, nest_char).filter(function (n) { return n <= start_index; }) : [];
var occurance_index = occurances.length - 1;
var nests_index = nests.length - 1;
while ((occurance_index > -1 || nests_index > -1) && nested >= 0) {
if (occurances[occurance_index] > nests[nests_index] || !nests[nests_index]) {
if (nested === 0) {
return new vscode.Position(line, occurances[occurance_index]);
}
nested--;
occurance_index--;
}
else if (nests[nests_index] > occurances[occurance_index] || !occurances[occurance_index]) {
nested++;
nests_index--;
}
}
return findPrevious(doc, --line, char, undefined, nest_char, nested);
}
function matchingSelect(_a) {
var start_char = _a.start_char, end_char = _a.end_char, _b = _a.outer, outer = _b === void 0 ? false : _b;
var editor = vscode.window.activeTextEditor;
if (!editor) {
return;
};
var doc = editor.document;
var sel = editor.selections;
var success = false;
var start_offset = outer ? start_char.length : 0;
var end_offset = outer ? end_char.length : 0;
editor.selections = sel.map(function (s) {
var _a = s.active, line = _a.line, character = _a.character;
var starts = findBrackets(doc, line, start_char);
var ends = findBrackets(doc, line, end_char);
var start = starts.find(function (a) { return a > character; });
var end = ends.find(function (a) { return a > character; });
var start_index = starts.indexOf(start);
var end_index = ends.indexOf(end);
var start_pos = findPrevious(doc, line, start_char, character, end_char) || new vscode.Position(line, starts[start_index]);
if (!start_pos) {
return s;
};
var end_pos = findNext(doc, start_pos.line, end_char, start_pos.character + 1, start_char);
if (start_pos && end_pos) {
success = true;
if (!outer && start_pos.isEqual(s.anchor) && new vscode.Position(end_pos.line, end_pos.character - 1).isEqual(s.end)) {
start_offset = start_char.length;
end_offset = end_char.length;
}
start_pos = new vscode.Position(start_pos.line, start_pos.character - start_offset);
end_pos = new vscode.Position(end_pos.line, end_pos.character - 1 + end_offset);
return new vscode.Selection(start_pos, end_pos);
}
return s;
});
if (success && start_char === "<") {
vscode.commands.executeCommand("editor.action.addSelectionToNextFindMatch");
}
}
/**
* @param {vscode.ExtensionContext} context
*/
function activate(context) {
var i = undefined;
context.subscriptions.push(vscode.commands.registerCommand('vs-paranthesis-highlighter.HighlightParenthesis', matchingSelect.bind(i, { start_char: "(", end_char: ")" })));
context.subscriptions.push(vscode.commands.registerCommand('vs-paranthesis-highlighter.HighlightSquareBrackets', matchingSelect.bind(i, { start_char: "[", end_char: "]" })));
context.subscriptions.push(vscode.commands.registerCommand('vs-paranthesis-highlighter.HighlightCurlyBrackets', matchingSelect.bind(i, { start_char: "{", end_char: "}" })));
context.subscriptions.push(vscode.commands.registerCommand('vs-paranthesis-highlighter.HighlightAngleBrackets', matchingSelect.bind(i, { start_char: "<", end_char: ">" })));
}
function deactivate() {}
module.exports = {
activate,
deactivate
}