/*istanbul ignore start*/'use strict';

exports.__esModule = true;
exports. /*istanbul ignore end*/applyPatch = applyPatch;
/*istanbul ignore start*/exports. /*istanbul ignore end*/applyPatches = applyPatches;

var /*istanbul ignore start*/_parse = require('./parse') /*istanbul ignore end*/;

var /*istanbul ignore start*/_distanceIterator = require('../util/distance-iterator') /*istanbul ignore end*/;

/*istanbul ignore start*/var _distanceIterator2 = _interopRequireDefault(_distanceIterator);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }

/*istanbul ignore end*/function applyPatch(source, uniDiff) {
  /*istanbul ignore start*/var /*istanbul ignore end*/options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

  if (typeof uniDiff === 'string') {
    uniDiff = /*istanbul ignore start*/(0, _parse.parsePatch) /*istanbul ignore end*/(uniDiff);
  }

  if (Array.isArray(uniDiff)) {
    if (uniDiff.length > 1) {
      throw new Error('applyPatch only works with a single input.');
    }

    uniDiff = uniDiff[0];
  }

  // Apply the diff to the input
  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 (/*istanbul ignore end*/line === patchContent
    );
  },
      errorCount = 0,
      fuzzFactor = options.fuzzFactor || 0,
      minLine = 0,
      offset = 0,
      removeEOFNL = /*istanbul ignore start*/void 0 /*istanbul ignore end*/,
      addEOFNL = /*istanbul ignore start*/void 0 /*istanbul ignore end*/;

  /**
   * Checks if the hunk exactly fits on the provided location
   */
  function hunkFits(hunk, toPos) {
    for (var j = 0; j < hunk.lines.length; j++) {
      var line = hunk.lines[j],
          operation = line[0],
          content = line.substr(1);

      if (operation === ' ' || operation === '-') {
        // Context sanity check
        if (!compareLine(toPos + 1, lines[toPos], operation, content)) {
          errorCount++;

          if (errorCount > fuzzFactor) {
            return false;
          }
        }
        toPos++;
      }
    }

    return true;
  }

  // Search best fit offsets for each hunk based on the previous ones
  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 = /*istanbul ignore start*/(0, _distanceIterator2['default']) /*istanbul ignore end*/(toPos, minLine, maxLine);

    for (; localOffset !== undefined; localOffset = iterator()) {
      if (hunkFits(hunk, toPos + localOffset)) {
        hunk.offset = offset += localOffset;
        break;
      }
    }

    if (localOffset === undefined) {
      return false;
    }

    // Set lower text limit to end of the current hunk, so next ones don't try
    // to fit over already patched text
    minLine = hunk.offset + hunk.oldStart + hunk.oldLines;
  }

  // Apply patch hunks
  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) {
      // Creating a new file
      _toPos = 0;
    }

    for (var j = 0; j < _hunk.lines.length; j++) {
      var line = _hunk.lines[j],
          operation = line[0],
          content = line.substr(1),
          delimiter = _hunk.linedelimiters[j];

      if (operation === ' ') {
        _toPos++;
      } else if (operation === '-') {
        lines.splice(_toPos, 1);
        delimiters.splice(_toPos, 1);
        /* istanbul ignore else */
      } 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;
        }
      }
    }
  }

  // Handle EOFNL insertion/removal
  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('');
}

// Wrapper that supports multiple file patches via callbacks.
function applyPatches(uniDiff, options) {
  if (typeof uniDiff === 'string') {
    uniDiff = /*istanbul ignore start*/(0, _parse.parsePatch) /*istanbul ignore end*/(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();
}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/patch/apply.js"],"names":["applyPatch","applyPatches","source","uniDiff","options","Array","isArray","length","Error","lines","split","delimiters","match","hunks","compareLine","lineNumber","line","operation","patchContent","errorCount","fuzzFactor","minLine","offset","removeEOFNL","addEOFNL","hunkFits","hunk","toPos","j","content","substr","i","maxLine","oldLines","localOffset","oldStart","iterator","undefined","diffOffset","newLines","delimiter","linedelimiters","splice","previousOperation","pop","push","_k","join","currentIndex","processIndex","index","complete","loadFile","err","data","updatedContent","patched"],"mappings":";;;gCAGgBA,U,GAAAA,U;yDAoIAC,Y,GAAAA,Y;;AAvIhB;;AACA;;;;;;uBAEO,SAASD,UAAT,CAAoBE,MAApB,EAA4BC,OAA5B,EAAmD;AAAA,sDAAdC,OAAc,uEAAJ,EAAI;;AACxD,MAAI,OAAOD,OAAP,KAAmB,QAAvB,EAAiC;AAC/BA,cAAU,wEAAWA,OAAX,CAAV;AACD;;AAED,MAAIE,MAAMC,OAAN,CAAcH,OAAd,CAAJ,EAA4B;AAC1B,QAAIA,QAAQI,MAAR,GAAiB,CAArB,EAAwB;AACtB,YAAM,IAAIC,KAAJ,CAAU,4CAAV,CAAN;AACD;;AAEDL,cAAUA,QAAQ,CAAR,CAAV;AACD;;AAED;AACA,MAAIM,QAAQP,OAAOQ,KAAP,CAAa,qBAAb,CAAZ;AAAA,MACIC,aAAaT,OAAOU,KAAP,CAAa,sBAAb,KAAwC,EADzD;AAAA,MAEIC,QAAQV,QAAQU,KAFpB;AAAA,MAIIC,cAAcV,QAAQU,WAAR,IAAwB,UAACC,UAAD,EAAaC,IAAb,EAAmBC,SAAnB,EAA8BC,YAA9B;AAAA,mCAA+CF,SAASE;AAAxD;AAAA,GAJ1C;AAAA,MAKIC,aAAa,CALjB;AAAA,MAMIC,aAAahB,QAAQgB,UAAR,IAAsB,CANvC;AAAA,MAOIC,UAAU,CAPd;AAAA,MAQIC,SAAS,CARb;AAAA,MAUIC,6CAVJ;AAAA,MAWIC,0CAXJ;;AAaA;;;AAGA,WAASC,QAAT,CAAkBC,IAAlB,EAAwBC,KAAxB,EAA+B;AAC7B,SAAK,IAAIC,IAAI,CAAb,EAAgBA,IAAIF,KAAKjB,KAAL,CAAWF,MAA/B,EAAuCqB,GAAvC,EAA4C;AAC1C,UAAIZ,OAAOU,KAAKjB,KAAL,CAAWmB,CAAX,CAAX;AAAA,UACIX,YAAYD,KAAK,CAAL,CADhB;AAAA,UAEIa,UAAUb,KAAKc,MAAL,CAAY,CAAZ,CAFd;;AAIA,UAAIb,cAAc,GAAd,IAAqBA,cAAc,GAAvC,EAA4C;AAC1C;AACA,YAAI,CAACH,YAAYa,QAAQ,CAApB,EAAuBlB,MAAMkB,KAAN,CAAvB,EAAqCV,SAArC,EAAgDY,OAAhD,CAAL,EAA+D;AAC7DV;;AAEA,cAAIA,aAAaC,UAAjB,EAA6B;AAC3B,mBAAO,KAAP;AACD;AACF;AACDO;AACD;AACF;;AAED,WAAO,IAAP;AACD;;AAED;AACA,OAAK,IAAII,IAAI,CAAb,EAAgBA,IAAIlB,MAAMN,MAA1B,EAAkCwB,GAAlC,EAAuC;AACrC,QAAIL,OAAOb,MAAMkB,CAAN,CAAX;AAAA,QACIC,UAAUvB,MAAMF,MAAN,GAAemB,KAAKO,QADlC;AAAA,QAEIC,cAAc,CAFlB;AAAA,QAGIP,QAAQL,SAASI,KAAKS,QAAd,GAAyB,CAHrC;;AAKA,QAAIC,WAAW,oFAAiBT,KAAjB,EAAwBN,OAAxB,EAAiCW,OAAjC,CAAf;;AAEA,WAAOE,gBAAgBG,SAAvB,EAAkCH,cAAcE,UAAhD,EAA4D;AAC1D,UAAIX,SAASC,IAAT,EAAeC,QAAQO,WAAvB,CAAJ,EAAyC;AACvCR,aAAKJ,MAAL,GAAcA,UAAUY,WAAxB;AACA;AACD;AACF;;AAED,QAAIA,gBAAgBG,SAApB,EAA+B;AAC7B,aAAO,KAAP;AACD;;AAED;AACA;AACAhB,cAAUK,KAAKJ,MAAL,GAAcI,KAAKS,QAAnB,GAA8BT,KAAKO,QAA7C;AACD;;AAED;AACA,MAAIK,aAAa,CAAjB;AACA,OAAK,IAAIP,KAAI,CAAb,EAAgBA,KAAIlB,MAAMN,MAA1B,EAAkCwB,IAAlC,EAAuC;AACrC,QAAIL,QAAOb,MAAMkB,EAAN,CAAX;AAAA,QACIJ,SAAQD,MAAKS,QAAL,GAAgBT,MAAKJ,MAArB,GAA8BgB,UAA9B,GAA2C,CADvD;AAEAA,kBAAcZ,MAAKa,QAAL,GAAgBb,MAAKO,QAAnC;;AAEA,QAAIN,SAAQ,CAAZ,EAAe;AAAE;AACfA,eAAQ,CAAR;AACD;;AAED,SAAK,IAAIC,IAAI,CAAb,EAAgBA,IAAIF,MAAKjB,KAAL,CAAWF,MAA/B,EAAuCqB,GAAvC,EAA4C;AAC1C,UAAIZ,OAAOU,MAAKjB,KAAL,CAAWmB,CAAX,CAAX;AAAA,UACIX,YAAYD,KAAK,CAAL,CADhB;AAAA,UAEIa,UAAUb,KAAKc,MAAL,CAAY,CAAZ,CAFd;AAAA,UAGIU,YAAYd,MAAKe,cAAL,CAAoBb,CAApB,CAHhB;;AAKA,UAAIX,cAAc,GAAlB,EAAuB;AACrBU;AACD,OAFD,MAEO,IAAIV,cAAc,GAAlB,EAAuB;AAC5BR,cAAMiC,MAAN,CAAaf,MAAb,EAAoB,CAApB;AACAhB,mBAAW+B,MAAX,CAAkBf,MAAlB,EAAyB,CAAzB;AACF;AACC,OAJM,MAIA,IAAIV,cAAc,GAAlB,EAAuB;AAC5BR,cAAMiC,MAAN,CAAaf,MAAb,EAAoB,CAApB,EAAuBE,OAAvB;AACAlB,mBAAW+B,MAAX,CAAkBf,MAAlB,EAAyB,CAAzB,EAA4Ba,SAA5B;AACAb;AACD,OAJM,MAIA,IAAIV,cAAc,IAAlB,EAAwB;AAC7B,YAAI0B,oBAAoBjB,MAAKjB,KAAL,CAAWmB,IAAI,CAAf,IAAoBF,MAAKjB,KAAL,CAAWmB,IAAI,CAAf,EAAkB,CAAlB,CAApB,GAA2C,IAAnE;AACA,YAAIe,sBAAsB,GAA1B,EAA+B;AAC7BpB,wBAAc,IAAd;AACD,SAFD,MAEO,IAAIoB,sBAAsB,GAA1B,EAA+B;AACpCnB,qBAAW,IAAX;AACD;AACF;AACF;AACF;;AAED;AACA,MAAID,WAAJ,EAAiB;AACf,WAAO,CAACd,MAAMA,MAAMF,MAAN,GAAe,CAArB,CAAR,EAAiC;AAC/BE,YAAMmC,GAAN;AACAjC,iBAAWiC,GAAX;AACD;AACF,GALD,MAKO,IAAIpB,QAAJ,EAAc;AACnBf,UAAMoC,IAAN,CAAW,EAAX;AACAlC,eAAWkC,IAAX,CAAgB,IAAhB;AACD;AACD,OAAK,IAAIC,KAAK,CAAd,EAAiBA,KAAKrC,MAAMF,MAAN,GAAe,CAArC,EAAwCuC,IAAxC,EAA8C;AAC5CrC,UAAMqC,EAAN,IAAYrC,MAAMqC,EAAN,IAAYnC,WAAWmC,EAAX,CAAxB;AACD;AACD,SAAOrC,MAAMsC,IAAN,CAAW,EAAX,CAAP;AACD;;AAED;AACO,SAAS9C,YAAT,CAAsBE,OAAtB,EAA+BC,OAA/B,EAAwC;AAC7C,MAAI,OAAOD,OAAP,KAAmB,QAAvB,EAAiC;AAC/BA,cAAU,wEAAWA,OAAX,CAAV;AACD;;AAED,MAAI6C,eAAe,CAAnB;AACA,WAASC,YAAT,GAAwB;AACtB,QAAIC,QAAQ/C,QAAQ6C,cAAR,CAAZ;AACA,QAAI,CAACE,KAAL,EAAY;AACV,aAAO9C,QAAQ+C,QAAR,EAAP;AACD;;AAED/C,YAAQgD,QAAR,CAAiBF,KAAjB,EAAwB,UAASG,GAAT,EAAcC,IAAd,EAAoB;AAC1C,UAAID,GAAJ,EAAS;AACP,eAAOjD,QAAQ+C,QAAR,CAAiBE,GAAjB,CAAP;AACD;;AAED,UAAIE,iBAAiBvD,WAAWsD,IAAX,EAAiBJ,KAAjB,EAAwB9C,OAAxB,CAArB;AACAA,cAAQoD,OAAR,CAAgBN,KAAhB,EAAuBK,cAAvB,EAAuC,UAASF,GAAT,EAAc;AACnD,YAAIA,GAAJ,EAAS;AACP,iBAAOjD,QAAQ+C,QAAR,CAAiBE,GAAjB,CAAP;AACD;;AAEDJ;AACD,OAND;AAOD,KAbD;AAcD;AACDA;AACD","file":"apply.js","sourcesContent":["import {parsePatch} from './parse';\nimport distanceIterator from '../util/distance-iterator';\n\nexport function applyPatch(source, uniDiff, options = {}) {\n  if (typeof uniDiff === 'string') {\n    uniDiff = parsePatch(uniDiff);\n  }\n\n  if (Array.isArray(uniDiff)) {\n    if (uniDiff.length > 1) {\n      throw new Error('applyPatch only works with a single input.');\n    }\n\n    uniDiff = uniDiff[0];\n  }\n\n  // Apply the diff to the input\n  let lines = source.split(/\\r\\n|[\\n\\v\\f\\r\\x85]/),\n      delimiters = source.match(/\\r\\n|[\\n\\v\\f\\r\\x85]/g) || [],\n      hunks = uniDiff.hunks,\n\n      compareLine = options.compareLine || ((lineNumber, line, operation, patchContent) => line === patchContent),\n      errorCount = 0,\n      fuzzFactor = options.fuzzFactor || 0,\n      minLine = 0,\n      offset = 0,\n\n      removeEOFNL,\n      addEOFNL;\n\n  /**\n   * Checks if the hunk exactly fits on the provided location\n   */\n  function hunkFits(hunk, toPos) {\n    for (let j = 0; j < hunk.lines.length; j++) {\n      let line = hunk.lines[j],\n          operation = line[0],\n          content = line.substr(1);\n\n      if (operation === ' ' || operation === '-') {\n        // Context sanity check\n        if (!compareLine(toPos + 1, lines[toPos], operation, content)) {\n          errorCount++;\n\n          if (errorCount > fuzzFactor) {\n            return false;\n          }\n        }\n        toPos++;\n      }\n    }\n\n    return true;\n  }\n\n  // Search best fit offsets for each hunk based on the previous ones\n  for (let i = 0; i < hunks.length; i++) {\n    let hunk = hunks[i],\n        maxLine = lines.length - hunk.oldLines,\n        localOffset = 0,\n        toPos = offset + hunk.oldStart - 1;\n\n    let iterator = distanceIterator(toPos, minLine, maxLine);\n\n    for (; localOffset !== undefined; localOffset = iterator()) {\n      if (hunkFits(hunk, toPos + localOffset)) {\n        hunk.offset = offset += localOffset;\n        break;\n      }\n    }\n\n    if (localOffset === undefined) {\n      return false;\n    }\n\n    // Set lower text limit to end of the current hunk, so next ones don't try\n    // to fit over already patched text\n    minLine = hunk.offset + hunk.oldStart + hunk.oldLines;\n  }\n\n  // Apply patch hunks\n  let diffOffset = 0;\n  for (let i = 0; i < hunks.length; i++) {\n    let hunk = hunks[i],\n        toPos = hunk.oldStart + hunk.offset + diffOffset - 1;\n    diffOffset += hunk.newLines - hunk.oldLines;\n\n    if (toPos < 0) { // Creating a new file\n      toPos = 0;\n    }\n\n    for (let j = 0; j < hunk.lines.length; j++) {\n      let line = hunk.lines[j],\n          operation = line[0],\n          content = line.substr(1),\n          delimiter = hunk.linedelimiters[j];\n\n      if (operation === ' ') {\n        toPos++;\n      } else if (operation === '-') {\n        lines.splice(toPos, 1);\n        delimiters.splice(toPos, 1);\n      /* istanbul ignore else */\n      } else if (operation === '+') {\n        lines.splice(toPos, 0, content);\n        delimiters.splice(toPos, 0, delimiter);\n        toPos++;\n      } else if (operation === '\\\\') {\n        let previousOperation = hunk.lines[j - 1] ? hunk.lines[j - 1][0] : null;\n        if (previousOperation === '+') {\n          removeEOFNL = true;\n        } else if (previousOperation === '-') {\n          addEOFNL = true;\n        }\n      }\n    }\n  }\n\n  // Handle EOFNL insertion/removal\n  if (removeEOFNL) {\n    while (!lines[lines.length - 1]) {\n      lines.pop();\n      delimiters.pop();\n    }\n  } else if (addEOFNL) {\n    lines.push('');\n    delimiters.push('\\n');\n  }\n  for (let _k = 0; _k < lines.length - 1; _k++) {\n    lines[_k] = lines[_k] + delimiters[_k];\n  }\n  return lines.join('');\n}\n\n// Wrapper that supports multiple file patches via callbacks.\nexport function applyPatches(uniDiff, options) {\n  if (typeof uniDiff === 'string') {\n    uniDiff = parsePatch(uniDiff);\n  }\n\n  let currentIndex = 0;\n  function processIndex() {\n    let index = uniDiff[currentIndex++];\n    if (!index) {\n      return options.complete();\n    }\n\n    options.loadFile(index, function(err, data) {\n      if (err) {\n        return options.complete(err);\n      }\n\n      let updatedContent = applyPatch(data, index, options);\n      options.patched(index, updatedContent, function(err) {\n        if (err) {\n          return options.complete(err);\n        }\n\n        processIndex();\n      });\n    });\n  }\n  processIndex();\n}\n"]}