123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243 |
- "use strict";
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.applyPatch = applyPatch;
- exports.applyPatches = applyPatches;
- var
- _parse = require("./parse")
- ;
- var
- _distanceIterator = _interopRequireDefault(require("../util/distance-iterator"))
- ;
- function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
- function applyPatch(source, uniDiff) {
-
- var
-
- options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
- if (typeof uniDiff === 'string') {
- uniDiff =
-
- (0,
-
-
- _parse
-
- .
-
- parsePatch)
-
- (uniDiff);
- }
- if (Array.isArray(uniDiff)) {
- if (uniDiff.length > 1) {
- throw new Error('applyPatch only works with a single input.');
- }
- uniDiff = uniDiff[0];
- }
- var lines = source.split(/\r\n|[\n\v\f\r\x85]/),
- delimiters = source.match(/\r\n|[\n\v\f\r\x85]/g) || [],
- hunks = uniDiff.hunks,
- compareLine = options.compareLine || function (lineNumber, line, operation, patchContent)
- /*istanbul ignore start*/
- {
- return (
-
- line === patchContent
- );
- },
- errorCount = 0,
- fuzzFactor = options.fuzzFactor || 0,
- minLine = 0,
- offset = 0,
- removeEOFNL,
- addEOFNL;
-
- function hunkFits(hunk, toPos) {
- for (var j = 0; j < hunk.lines.length; j++) {
- var line = hunk.lines[j],
- operation = line.length > 0 ? line[0] : ' ',
- content = line.length > 0 ? line.substr(1) : line;
- if (operation === ' ' || operation === '-') {
-
- if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
- errorCount++;
- if (errorCount > fuzzFactor) {
- return false;
- }
- }
- toPos++;
- }
- }
- return true;
- }
- for (var i = 0; i < hunks.length; i++) {
- var hunk = hunks[i],
- maxLine = lines.length - hunk.oldLines,
- localOffset = 0,
- toPos = offset + hunk.oldStart - 1;
- var iterator =
-
- (0,
-
-
- _distanceIterator
-
- .
-
- default)
-
- (toPos, minLine, maxLine);
- for (; localOffset !== undefined; localOffset = iterator()) {
- if (hunkFits(hunk, toPos + localOffset)) {
- hunk.offset = offset += localOffset;
- break;
- }
- }
- if (localOffset === undefined) {
- return false;
- }
-
- minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
- }
- var diffOffset = 0;
- for (var _i = 0; _i < hunks.length; _i++) {
- var _hunk = hunks[_i],
- _toPos = _hunk.oldStart + _hunk.offset + diffOffset - 1;
- diffOffset += _hunk.newLines - _hunk.oldLines;
- if (_toPos < 0) {
-
- _toPos = 0;
- }
- for (var j = 0; j < _hunk.lines.length; j++) {
- var line = _hunk.lines[j],
- operation = line.length > 0 ? line[0] : ' ',
- content = line.length > 0 ? line.substr(1) : line,
- delimiter = _hunk.linedelimiters[j];
- if (operation === ' ') {
- _toPos++;
- } else if (operation === '-') {
- lines.splice(_toPos, 1);
- delimiters.splice(_toPos, 1);
-
- } else if (operation === '+') {
- lines.splice(_toPos, 0, content);
- delimiters.splice(_toPos, 0, delimiter);
- _toPos++;
- } else if (operation === '\\') {
- var previousOperation = _hunk.lines[j - 1] ? _hunk.lines[j - 1][0] : null;
- if (previousOperation === '+') {
- removeEOFNL = true;
- } else if (previousOperation === '-') {
- addEOFNL = true;
- }
- }
- }
- }
- if (removeEOFNL) {
- while (!lines[lines.length - 1]) {
- lines.pop();
- delimiters.pop();
- }
- } else if (addEOFNL) {
- lines.push('');
- delimiters.push('\n');
- }
- for (var _k = 0; _k < lines.length - 1; _k++) {
- lines[_k] = lines[_k] + delimiters[_k];
- }
- return lines.join('');
- }
- function applyPatches(uniDiff, options) {
- if (typeof uniDiff === 'string') {
- uniDiff =
-
- (0,
-
-
- _parse
-
- .
-
- parsePatch)
-
- (uniDiff);
- }
- var currentIndex = 0;
- function processIndex() {
- var index = uniDiff[currentIndex++];
- if (!index) {
- return options.complete();
- }
- options.loadFile(index, function (err, data) {
- if (err) {
- return options.complete(err);
- }
- var updatedContent = applyPatch(data, index, options);
- options.patched(index, updatedContent, function (err) {
- if (err) {
- return options.complete(err);
- }
- processIndex();
- });
- });
- }
- processIndex();
- }
|