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{"version":3,"file":"search.js","sources":["../../../src/addons/search/search.ts","../../../src/addons/search/SearchHelper.ts","../../../node_modules/browser-pack/_prelude.js"],"sourcesContent":["/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { SearchHelper } from './SearchHelper';\nimport { Terminal } from 'xterm';\nimport { ISearchAddonTerminal, ISearchOptions } from './Interfaces';\n\n/**\n * Find the next instance of the term, then scroll to and select it. If it\n * doesn't exist, do nothing.\n * @param term The search term.\n * @param searchOptions Search options\n * @return Whether a result was found.\n */\nexport function findNext(terminal: Terminal, term: string, searchOptions: ISearchOptions = {}): boolean {\n const addonTerminal = <ISearchAddonTerminal>terminal;\n if (!addonTerminal.__searchHelper) {\n addonTerminal.__searchHelper = new SearchHelper(addonTerminal);\n }\n return addonTerminal.__searchHelper.findNext(term, searchOptions);\n}\n\n/**\n * Find the previous instance of the term, then scroll to and select it. If it\n * doesn't exist, do nothing.\n * @param term The search term.\n * @param searchOptions Search options\n * @return Whether a result was found.\n */\nexport function findPrevious(terminal: Terminal, term: string, searchOptions: ISearchOptions): boolean {\n const addonTerminal = <ISearchAddonTerminal>terminal;\n if (!addonTerminal.__searchHelper) {\n addonTerminal.__searchHelper = new SearchHelper(addonTerminal);\n }\n return addonTerminal.__searchHelper.findPrevious(term, searchOptions);\n}\n\nexport function apply(terminalConstructor: typeof Terminal): void {\n (<any>terminalConstructor.prototype).findNext = function(term: string, searchOptions: ISearchOptions): boolean {\n return findNext(this, term, searchOptions);\n };\n\n (<any>terminalConstructor.prototype).findPrevious = function(term: string, searchOptions: ISearchOptions): boolean {\n return findPrevious(this, term, searchOptions);\n };\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ISearchHelper, ISearchAddonTerminal, ISearchOptions, ISearchResult } from './Interfaces';\nconst nonWordCharacters = ' ~!@#$%^&*()+`-=[]{}|\\;:\"\\',./<>?';\n\n/**\n * A class that knows how to search the terminal and how to display the results.\n */\nexport class SearchHelper implements ISearchHelper {\n constructor(private _terminal: ISearchAddonTerminal) {\n // TODO: Search for multiple instances on 1 line\n // TODO: Don't use the actual selection, instead use a \"find selection\" so multiple instances can be highlighted\n // TODO: Highlight other instances in the viewport\n }\n\n /**\n * Find the next instance of the term, then scroll to and select it. If it\n * doesn't exist, do nothing.\n * @param term The search term.\n * @param searchOptions Search options.\n * @return Whether a result was found.\n */\n public findNext(term: string, searchOptions?: ISearchOptions): boolean {\n if (!term || term.length === 0) {\n return false;\n }\n\n let result: ISearchResult;\n\n let startRow = this._terminal._core.buffer.ydisp;\n if (this._terminal._core.selectionManager.selectionEnd) {\n // Start from the selection end if there is a selection\n if (this._terminal.getSelection().length !== 0) {\n startRow = this._terminal._core.selectionManager.selectionEnd[1];\n }\n }\n\n // Search from ydisp + 1 to end\n for (let y = startRow + 1; y < this._terminal._core.buffer.ybase + this._terminal.rows; y++) {\n result = this._findInLine(term, y, searchOptions);\n if (result) {\n break;\n }\n }\n\n // Search from the top to the current ydisp\n if (!result) {\n for (let y = 0; y < startRow; y++) {\n result = this._findInLine(term, y, searchOptions);\n if (result) {\n break;\n }\n }\n }\n\n // Set selection and scroll if a result was found\n return this._selectResult(result);\n }\n\n /**\n * Find the previous instance of the term, then scroll to and select it. If it\n * doesn't exist, do nothing.\n * @param term The search term.\n * @param searchOptions Search options.\n * @return Whether a result was found.\n */\n public findPrevious(term: string, searchOptions?: ISearchOptions): boolean {\n if (!term || term.length === 0) {\n return false;\n }\n\n let result: ISearchResult;\n\n let startRow = this._terminal._core.buffer.ydisp;\n if (this._terminal._core.selectionManager.selectionStart) {\n // Start from the selection end if there is a selection\n if (this._terminal.getSelection().length !== 0) {\n startRow = this._terminal._core.selectionManager.selectionStart[1];\n }\n }\n\n // Search from ydisp + 1 to end\n for (let y = startRow - 1; y >= 0; y--) {\n result = this._findInLine(term, y, searchOptions);\n if (result) {\n break;\n }\n }\n\n // Search from the top to the current ydisp\n if (!result) {\n for (let y = this._terminal._core.buffer.ybase + this._terminal.rows - 1; y > startRow; y--) {\n result = this._findInLine(term, y, searchOptions);\n if (result) {\n break;\n }\n }\n }\n\n // Set selection and scroll if a result was found\n return this._selectResult(result);\n }\n\n /**\n * A found substring is a whole word if it doesn't have an alphanumeric character directly adjacent to it.\n * @param searchIndex starting indext of the potential whole word substring\n * @param line entire string in which the potential whole word was found\n * @param term the substring that starts at searchIndex\n */\n private _isWholeWord(searchIndex: number, line: string, term: string): boolean {\n return (((searchIndex === 0) || (nonWordCharacters.indexOf(line[searchIndex - 1]) !== -1)) &&\n (((searchIndex + term.length) === line.length) || (nonWordCharacters.indexOf(line[searchIndex + term.length]) !== -1)));\n }\n\n /**\n * Searches a line for a search term. Takes the provided terminal line and searches the text line, which may contain\n * subsequent terminal lines if the text is wrapped. If the provided line number is part of a wrapped text line that\n * started on an earlier line then it is skipped since it will be properly searched when the terminal line that the\n * text starts on is searched.\n * @param term The search term.\n * @param y The line to search.\n * @param searchOptions Search options.\n * @return The search result if it was found.\n */\n protected _findInLine(term: string, y: number, searchOptions: ISearchOptions = {}): ISearchResult {\n if (this._terminal._core.buffer.lines.get(y).isWrapped) {\n return;\n }\n\n const stringLine = this.translateBufferLineToStringWithWrap(y, true);\n const searchStringLine = searchOptions.caseSensitive ? stringLine : stringLine.toLowerCase();\n const searchTerm = searchOptions.caseSensitive ? term : term.toLowerCase();\n let searchIndex = -1;\n\n if (searchOptions.regex) {\n const searchRegex = RegExp(searchTerm, 'g');\n const foundTerm = searchRegex.exec(searchStringLine);\n if (foundTerm && foundTerm[0].length > 0) {\n searchIndex = searchRegex.lastIndex - foundTerm[0].length;\n term = foundTerm[0];\n }\n } else {\n searchIndex = searchStringLine.indexOf(searchTerm);\n }\n\n if (searchIndex >= 0) {\n // Adjust the row number and search index if needed since a \"line\" of text can span multiple rows\n if (searchIndex >= this._terminal.cols) {\n y += Math.floor(searchIndex / this._terminal.cols);\n searchIndex = searchIndex % this._terminal.cols;\n }\n if (searchOptions.wholeWord && !this._isWholeWord(searchIndex, searchStringLine, term)) {\n return;\n }\n\n const line = this._terminal._core.buffer.lines.get(y);\n\n for (let i = 0; i < searchIndex; i++) {\n const charData = line.get(i);\n // Adjust the searchIndex to normalize emoji into single chars\n const char = charData[1/*CHAR_DATA_CHAR_INDEX*/];\n if (char.length > 1) {\n searchIndex -= char.length - 1;\n }\n // Adjust the searchIndex for empty characters following wide unicode\n // chars (eg. CJK)\n const charWidth = charData[2/*CHAR_DATA_WIDTH_INDEX*/];\n if (charWidth === 0) {\n searchIndex++;\n }\n }\n return {\n term,\n col: searchIndex,\n row: y\n };\n }\n }\n\n /**\n * Translates a buffer line to a string, including subsequent lines if they are wraps.\n * Wide characters will count as two columns in the resulting string. This\n * function is useful for getting the actual text underneath the raw selection\n * position.\n * @param line The line being translated.\n * @param trimRight Whether to trim whitespace to the right.\n */\n public translateBufferLineToStringWithWrap(lineIndex: number, trimRight: boolean): string {\n let lineString = '';\n let lineWrapsToNext: boolean;\n\n do {\n const nextLine = this._terminal._core.buffer.lines.get(lineIndex + 1);\n lineWrapsToNext = nextLine ? nextLine.isWrapped : false;\n lineString += this._terminal._core.buffer.translateBufferLineToString(lineIndex, !lineWrapsToNext && trimRight).substring(0, this._terminal.cols);\n lineIndex++;\n } while (lineWrapsToNext);\n\n return lineString;\n }\n\n /**\n * Selects and scrolls to a result.\n * @param result The result to select.\n * @return Whethera result was selected.\n */\n private _selectResult(result: ISearchResult): boolean {\n if (!result) {\n this._terminal.clearSelection();\n return false;\n }\n this._terminal._core.selectionManager.setSelection(result.col, result.row, result.term.length);\n this._terminal.scrollLines(result.row - this._terminal._core.buffer.ydisp);\n return true;\n }\n}\n",null],"names":[],"mappings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a;;;;;ADNb;AAWA;AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AANA;AAeA;AACA;AACA;AACA;AACA;AACA;AACA;AANA;AAQA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AARA;"} |