mirror of https://github.com/jumpserver/jumpserver
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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 } 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 Tne search term.\n * @return Whether a result was found.\n */\nexport function findNext(terminal: Terminal, term: string): boolean {\n const addonTerminal = <ISearchAddonTerminal>terminal;\n if (!addonTerminal.__searchHelper) {\n addonTerminal.__searchHelper = new SearchHelper(addonTerminal);\n }\n return addonTerminal.__searchHelper.findNext(term);\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 Tne search term.\n * @return Whether a result was found.\n */\nexport function findPrevious(terminal: Terminal, term: string): boolean {\n const addonTerminal = <ISearchAddonTerminal>terminal;\n if (!addonTerminal.__searchHelper) {\n addonTerminal.__searchHelper = new SearchHelper(addonTerminal);\n }\n return addonTerminal.__searchHelper.findPrevious(term);\n}\n\nexport function apply(terminalConstructor: typeof Terminal): void {\n (<any>terminalConstructor.prototype).findNext = function(term: string): boolean {\n return findNext(this, term);\n };\n\n (<any>terminalConstructor.prototype).findPrevious = function(term: string): boolean {\n return findPrevious(this, term);\n };\n}\n","/**\n * Copyright (c) 2017 The xterm.js authors. All rights reserved.\n * @license MIT\n */\n\nimport { ISearchHelper, ISearchAddonTerminal } from './Interfaces';\n\ninterface ISearchResult {\n term: string;\n col: number;\n row: number;\n}\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 // TODO: Support regex, case sensitivity, etc.\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 Tne search term.\n * @return Whether a result was found.\n */\n public findNext(term: string): 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 startRow = this._terminal._core.selectionManager.selectionEnd[1];\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);\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);\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 Tne search term.\n * @return Whether a result was found.\n */\n public findPrevious(term: string): 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 startRow = this._terminal._core.selectionManager.selectionStart[1];\n }\n\n // Search from ydisp + 1 to end\n for (let y = startRow - 1; y >= 0; y--) {\n result = this._findInLine(term, y);\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);\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 * Searches a line for a search term.\n * @param term Tne search term.\n * @param y The line to search.\n * @return The search result if it was found.\n */\n private _findInLine(term: string, y: number): ISearchResult {\n const lowerStringLine = this._terminal._core.buffer.translateBufferLineToString(y, true).toLowerCase();\n const lowerTerm = term.toLowerCase();\n let searchIndex = lowerStringLine.indexOf(lowerTerm);\n if (searchIndex >= 0) {\n const line = this._terminal._core.buffer.lines.get(y);\n for (let i = 0; i < searchIndex; i++) {\n const charData = line[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 * 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 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":"AEAA;;;ADgBA;AACA;AAAA;AAKA;AAQA;AACA;AACA;AACA;AAEA;AAEA;AACA;AAEA;AACA;AAGA;AACA;AACA;AACA;AACA;AACA;AAGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAGA;AACA;AAQA;AACA;AACA;AACA;AAEA;AAEA;AACA;AAEA;AACA;AAGA;AACA;AACA;AACA;AACA;AACA;AAGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAGA;AACA;AAQA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AAGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAOA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AAAA;AAzIa;;;;;ADXb;AAUA;AACA;AACA;AACA;AACA;AACA;AACA;AANA;AAcA;AACA;AACA;AACA;AACA;AACA;AACA;AANA;AAQA;AACA;AACA;AACA;AAEA;AACA;AACA;AACA;AARA;"} |