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Stitch together multiple matches from single line
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@Ingramz
Ingramz committed Jun 2, 2019
1 parent 6028925 commit 44fd95a
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Showing 4 changed files with 143 additions and 49 deletions.
129 changes: 88 additions & 41 deletions lib/project/result-row-view.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
const getIconServices = require('../get-icon-services');
const { Range } = require('atom');
const { Point, Range } = require('atom');
const {
LeadingContextRow,
TrailingContextRow,
Expand Down Expand Up @@ -111,57 +111,104 @@ class MatchRowView {
}

generatePreviewNode({matches, replacePattern, regex}) {
const subnodes = [];
const TYPE = {
MATCH: 1,
TEXT: 2,
ELLIPSIS: 3
};

const segments = [];

let prevMatchEnd = matches[0].lineTextOffset;
for (const match of matches) {
const range = Range.fromObject(match.range);
const prefixStart = Math.max(0, prevMatchEnd - match.lineTextOffset);
const matchStart = range.start.column - match.lineTextOffset;
if (segments.length) {
const previousRange = segments[segments.length - 1].range;
const currentRange = new Range(
new Point(0, match.lineTextOffset),
new Point(0, match.lineTextOffset + match.lineText.length)
);

if (previousRange.intersectsWith(currentRange)) {
const segment = segments.pop();
// current range starts before previous range, therefore it should contain everything from previous range
if (previousRange.start.isGreaterThanOrEqual(currentRange.start)) {
// Delete everything up to previous match from the beginning of current range
match.lineText = match.lineText.substring(previousRange.start.column - currentRange.start.column);
match.lineTextOffset = previousRange.start.column;
} else { // current range starts midway through previous range
// Prepend non-overlapping part of previous range to current range
const preprefix = segment.content.substring(0, currentRange.start.column - previousRange.start.column);
match.lineText = preprefix + match.lineText;
match.lineTextOffset -= preprefix.length;
}
} else { // current range does not intersect and comes after previous range
segments.push({ type: TYPE.ELLIPSIS, range: new Range(previousRange.end, currentRange.start) });
}
}

// TODO - Handle case where (prevMatchEnd < match.lineTextOffset)
// The solution probably needs Workspace.scan to be reworked to account
// for multiple matches lines first
const prefix = match.lineText.substring(0, match.range.start.column - match.lineTextOffset);
const suffix = match.lineText.substring(match.range.end.column - match.lineTextOffset);

const prefix = match.lineText.slice(prefixStart, matchStart);
if (prefix) {
segments.push({
type: TYPE.TEXT,
content: prefix,
range: new Range(
new Point(0, match.lineTextOffset),
new Point(0, match.range.start.column)
)
});
}

let replacementText = ''
if (replacePattern && regex) {
replacementText = match.matchText.replace(regex, replacePattern);
} else if (replacePattern) {
replacementText = replacePattern;
let replacementText
if (replacePattern) {
replacementText = regex ? match.matchText.replace(regex, replacePattern) : replacePattern;
}

subnodes.push(
$.span({}, prefix),
$.span(
{
className:
`match ${replacementText ? 'highlight-error' : 'highlight-info'}`
},
match.matchText
segments.push({
type: TYPE.MATCH,
content: match.matchText,
range: new Range(
new Point(0, match.range.start.column),
new Point(0, match.range.end.column)
),
$.span(
{
className: 'replacement highlight-success',
style: showIf(replacementText)
},
replacementText
)
);
prevMatchEnd = range.end.column;
replacement: replacementText
});

if (suffix) {
segments.push({
type: TYPE.TEXT,
content: suffix,
range: new Range(
new Point(0, match.range.end.column),
new Point(0, match.lineTextOffset + match.lineText.length)
)
});
}
}

const lastMatch = matches[matches.length - 1];
const suffix = lastMatch.lineText.slice(
prevMatchEnd - lastMatch.lineTextOffset
);
const subnodes = [];

return $.span(
{className: 'preview'},
...subnodes,
$.span({}, suffix)
);
for (const segment of segments) {
if (segment.type === TYPE.TEXT) {
subnodes.push($.span({}, segment.content));
}

if (segment.type === TYPE.MATCH) {
subnodes.push(
$.span({ className: `match ${segment.replacement ? 'highlight-error' : 'highlight-info'}` }, segment.content)
);

if (segment.replacement) {
subnodes.push($.span({ className: 'replacement highlight-success' }, segment.replacement));
}
}

if (segment.type === TYPE.ELLIPSIS) {
subnodes.push($.span({}, '…'));
}
}

return $.span({ className: 'preview' }, ...subnodes);
}

render() {
Expand Down
4 changes: 2 additions & 2 deletions lib/project/results-view.js
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
const { Range, CompositeDisposable, Disposable } = require('atom');
const { Point, Range, CompositeDisposable, Disposable } = require('atom');
const ResultRowView = require('./result-row-view');
const {
LeadingContextRow,
Expand Down Expand Up @@ -48,7 +48,7 @@ class ResultsView {
this.fakeGroup = new ResultRowGroup({
filePath: 'fake-file-path',
matches: [{
range: [[0, 1], [0, 2]],
range: new Range(new Point(0, 1), new Point(0, 2)),
leadingContextLines: ['test-line-before'],
trailingContextLines: ['test-line-after'],
lineTextOffset: 1,
Expand Down
7 changes: 7 additions & 0 deletions spec/fixtures/project/combined.txt
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Original file line number Diff line number Diff line change
@@ -0,0 +1,7 @@
1234 pxdding0 pxdding1 pxdding2 pxdding3 pxdding4 pxdding5 pxdding6 pxdding7 pxdding8 pxdding9 pxdding10 pxdding11 pxdding12 pxdding13 pxdding14 pxdding15 pxdding16 1234 pxdding17 pxdding18 pxdding19 pxdding20 pxdding21 pxdding22 pxdding23 pxdding24 pxdding25 pxdding26 pxdding27 pxdding28 pxdding29 pxdding30 pxdding31 pxdding32 pxdding33 pxdding34 1234

1234 pxdding0 pxdding1 pxdding2 1234 pxdding3 pxdding4 1234 pxdding5 1234 pxdding6 pxdding7 pxdding8 1234

1234 pxdding0 pxdding1 pxdding2 pxdding3 pxdding4 pxdding5 pxdding6 pxdding7 pxdding8 pxdding9 pxdding10 pxdding11 pxdding12 pxdding13 pxdding14 1234 pxdding15 pxdding16 pxdding17 pxdding18 pxdding19 pxdding20 pxdding21 pxdding22 pxdding23 pxdding24 pxdding25 pxdding26 pxdding27 1234

1234 pxdding0 pxdding1 pxdding2 pxdding3 pxdding4 pxdding5 pxdding6 pxdding7 pxdding8 pxdding9 pxdding10 pxdding11 pxdding12 pxdding13 pxdding14 pxdding15 pxdding16 1234 short text 1234 pxdding17 pxdding18 pxdding19 pxdding20 pxdding21 pxdding22 pxdding23 pxdding24 pxdding25 pxdding26 pxdding27 pxdding28 pxdding29 1234
52 changes: 46 additions & 6 deletions spec/results-view-spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,48 @@ describe('ResultsView', () => {
expect(resultsView.refs.listView.element.querySelectorAll('.preview').length).toBe(1);
expect(resultsView.refs.listView.element.querySelector('.preview').textContent).toBe('test test test test test test test test test test test a b c d e f g h i j k l abcdefghijklmnopqrstuvwxyz');
expect(resultsView.refs.listView.element.querySelector('.match').textContent).toBe('ghijkl');
})
});
});

describe("when the result has lines that contain multiple matches", () => {
let previews;

beforeEach(async () => {
projectFindView.findEditor.setText('1234');
atom.commands.dispatch(projectFindView.element, 'core:confirm');
await searchPromise;

resultsView = getResultsView();
await resultsView.heightInvalidationPromise;

previews = resultsView.refs.listView.element.querySelectorAll('.preview');
});

it('returns search results for combined test', () => {
expect(resultsView.refs.listView.element.querySelector('.path-name').textContent).toBe("combined.txt");
expect(previews.length).toBe(4);
});

it('concatenates noncontiguous matches on same line with ellipsis', () => {
expect(previews[0].textContent).toBe('1234 pxdding0 pxdding1 pxdding2 pxdding3 pxdding4 pxdding5 pxdding6 pxdding7 pxdding8 pxdding9 pxdding10…pxdding12 pxdding13 pxdding14 pxdding15 pxdding16 1234 pxdding17 pxdding18 pxdding19 pxdding20 pxdding21…pxdding25 pxdding26 pxdding27 pxdding28 pxdding29 pxdding30 pxdding31 pxdding32 pxdding33 pxdding34 1234');
expect(previews[0].querySelectorAll('.match')[0].textContent).toBe('1234');
expect(previews[0].querySelectorAll('.match').length).toBe(3);
});

it('concatenates contiguous matches with touching matches seamlessly', () => {
expect(previews[1].textContent).toBe('1234 pxdding0 pxdding1 pxdding2 1234 pxdding3 pxdding4 1234 pxdding5 1234 pxdding6 pxdding7 pxdding8 1234');
expect(previews[1].querySelectorAll('.match').length).toBe(5);
});

it('concatenates contigous matches with touching contexts seamlessly', () => {
expect(previews[2].textContent).toBe('1234 pxdding0 pxdding1 pxdding2 pxdding3 pxdding4 pxdding5 pxdding6 pxdding7 pxdding8 pxdding9 pxdding10 pxdding11 pxdding12 pxdding13 pxdding14 1234 pxdding15 pxdding16 pxdding17 pxdding18 pxdding19 pxdding20 pxdding21 pxdding22 pxdding23 pxdding24 pxdding25 pxdding26 pxdding27 1234');
expect(previews[2].querySelectorAll('.match').length).toBe(3);
});

it('concatenates different types of (non)contigous matches on same line accordingly', () => {
expect(previews[3].textContent).toBe('1234 pxdding0 pxdding1 pxdding2 pxdding3 pxdding4 pxdding5 pxdding6 pxdding7 pxdding8 pxdding9 pxdding10…pxdding12 pxdding13 pxdding14 pxdding15 pxdding16 1234 short text 1234 pxdding17 pxdding18 pxdding19 pxdding20 pxdding21 pxdding22 pxdding23 pxdding24 pxdding25 pxdding26 pxdding27 pxdding28 pxdding29 1234');
expect(previews[3].querySelectorAll('.match').length).toBe(4);
});
});

describe("when there are multiple project paths", () => {
Expand Down Expand Up @@ -117,8 +158,7 @@ describe('ResultsView', () => {
await resultsView.heightInvalidationPromise;
expect(resultsView.refs.listView.element.querySelector('.match').textContent).toBe('ghijkl');
expect(resultsView.refs.listView.element.querySelector('.match')).toHaveClass('highlight-info');
expect(resultsView.refs.listView.element.querySelector('.replacement').textContent).toBe('');
expect(resultsView.refs.listView.element.querySelector('.replacement')).toBeHidden();
expect(resultsView.refs.listView.element.querySelector('.replacement')).toBeNull();

projectFindView.replaceEditor.setText('cats');
advanceClock(modifiedDelay);
Expand All @@ -135,7 +175,7 @@ describe('ResultsView', () => {

expect(resultsView.refs.listView.element.querySelector('.match').textContent).toBe('ghijkl');
expect(resultsView.refs.listView.element.querySelector('.match')).toHaveClass('highlight-info');
expect(resultsView.refs.listView.element.querySelector('.replacement')).toBeHidden();
expect(resultsView.refs.listView.element.querySelector('.replacement')).toBeNull();
});

it('renders the captured text when the replace pattern uses captures', async () => {
Expand Down Expand Up @@ -816,8 +856,8 @@ describe('ResultsView', () => {
runs(() => {
resultsView = getResultsView()
const iconElements = resultsView.element.querySelectorAll(iconSelector)
expect(iconElements[0].className.trim()).toBe('icon foo bar')
expect(iconElements[1].className.trim()).toBe('icon baz qlux')
expect(iconElements[0].className.trim()).toBe('icon baz qlux')
expect(iconElements[1].className.trim()).toBe('icon foo bar')
expect(resultsView.element.querySelector('.icon-file-text')).toBe(null)

disposable.dispose()
Expand Down

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