|
-
- "use strict";
-
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.parsePatch = parsePatch;
-
-
- function parsePatch(uniDiff) {
-
- var
-
- options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
- var diffstr = uniDiff.split(/\r\n|[\n\v\f\r\x85]/),
- delimiters = uniDiff.match(/\r\n|[\n\v\f\r\x85]/g) || [],
- list = [],
- i = 0;
-
- function parseIndex() {
- var index = {};
- list.push(index);
-
- while (i < diffstr.length) {
- var line = diffstr[i];
-
- if (/^(\-\-\-|\+\+\+|@@)\s/.test(line)) {
- break;
- }
-
-
- var header = /^(?:Index:|diff(?: -r \w+)+)\s+(.+?)\s*$/.exec(line);
-
- if (header) {
- index.index = header[1];
- }
-
- i++;
- }
-
-
-
- parseFileHeader(index);
- parseFileHeader(index);
-
- index.hunks = [];
-
- while (i < diffstr.length) {
- var _line = diffstr[i];
-
- if (/^(Index:|diff|\-\-\-|\+\+\+)\s/.test(_line)) {
- break;
- } else if (/^@@/.test(_line)) {
- index.hunks.push(parseHunk());
- } else if (_line && options.strict) {
-
- throw new Error('Unknown line ' + (i + 1) + ' ' + JSON.stringify(_line));
- } else {
- i++;
- }
- }
- }
-
-
-
- function parseFileHeader(index) {
- var fileHeader = /^(---|\+\+\+)\s+(.*)$/.exec(diffstr[i]);
-
- if (fileHeader) {
- var keyPrefix = fileHeader[1] === '---' ? 'old' : 'new';
- var data = fileHeader[2].split('\t', 2);
- var fileName = data[0].replace(/\\\\/g, '\\');
-
- if (/^".*"$/.test(fileName)) {
- fileName = fileName.substr(1, fileName.length - 2);
- }
-
- index[keyPrefix + 'FileName'] = fileName;
- index[keyPrefix + 'Header'] = (data[1] || '').trim();
- i++;
- }
- }
-
-
-
- function parseHunk() {
- var chunkHeaderIndex = i,
- chunkHeaderLine = diffstr[i++],
- chunkHeader = chunkHeaderLine.split(/@@ -(\d+)(?:,(\d+))? \+(\d+)(?:,(\d+))? @@/);
- var hunk = {
- oldStart: +chunkHeader[1],
- oldLines: +chunkHeader[2] || 1,
- newStart: +chunkHeader[3],
- newLines: +chunkHeader[4] || 1,
- lines: [],
- linedelimiters: []
- };
- var addCount = 0,
- removeCount = 0;
-
- for (; i < diffstr.length; i++) {
-
-
- if (diffstr[i].indexOf('--- ') === 0 && i + 2 < diffstr.length && diffstr[i + 1].indexOf('+++ ') === 0 && diffstr[i + 2].indexOf('@@') === 0) {
- break;
- }
-
- var operation = diffstr[i].length == 0 && i != diffstr.length - 1 ? ' ' : diffstr[i][0];
-
- if (operation === '+' || operation === '-' || operation === ' ' || operation === '\\') {
- hunk.lines.push(diffstr[i]);
- hunk.linedelimiters.push(delimiters[i] || '\n');
-
- if (operation === '+') {
- addCount++;
- } else if (operation === '-') {
- removeCount++;
- } else if (operation === ' ') {
- addCount++;
- removeCount++;
- }
- } else {
- break;
- }
- }
-
-
- if (!addCount && hunk.newLines === 1) {
- hunk.newLines = 0;
- }
-
- if (!removeCount && hunk.oldLines === 1) {
- hunk.oldLines = 0;
- }
-
-
- if (options.strict) {
- if (addCount !== hunk.newLines) {
- throw new Error('Added line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
- }
-
- if (removeCount !== hunk.oldLines) {
- throw new Error('Removed line count did not match for hunk at line ' + (chunkHeaderIndex + 1));
- }
- }
-
- return hunk;
- }
-
- while (i < diffstr.length) {
- parseIndex();
- }
-
- return list;
- }
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