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115 lines
3.9 KiB
CoffeeScript
115 lines
3.9 KiB
CoffeeScript
AceAdaptor = require 'ace-adaptor'
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Range = require 'range'
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TextMateBundle = require 'text-mate-bundle'
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_ = require 'underscore'
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module.exports =
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class LanguageMode
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pairedCharacters:
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'(': ')'
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'[': ']'
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'{': '}'
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'"': '"'
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"'": "'"
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constructor: (@editSession) ->
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@buffer = @editSession.buffer
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@aceMode = @requireAceMode()
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@grammar = TextMateBundle.grammarForFileName(@editSession.buffer.getBaseName())
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@aceAdaptor = new AceAdaptor(@editSession)
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_.adviseBefore @editSession, 'insertText', (text) =>
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return true if @editSession.hasMultipleCursors()
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cursorBufferPosition = @editSession.getCursorBufferPosition()
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nextCharachter = @editSession.getTextInBufferRange([cursorBufferPosition, cursorBufferPosition.add([0, 1])])
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if @isCloseBracket(text) and text == nextCharachter
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@editSession.moveCursorRight()
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false
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else if pairedCharacter = @pairedCharacters[text]
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@editSession.insertText text + pairedCharacter
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@editSession.moveCursorLeft()
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false
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requireAceMode: (fileExtension) ->
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modeName = switch @editSession.buffer.getExtension()
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when 'js' then 'javascript'
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when 'coffee' then 'coffee'
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when 'rb', 'ru' then 'ruby'
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when 'c', 'h', 'cpp' then 'c_cpp'
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when 'html', 'htm' then 'html'
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when 'css' then 'css'
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when 'java' then 'java'
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when 'xml' then 'xml'
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else 'text'
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new (require("ace/mode/#{modeName}").Mode)
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isOpenBracket: (string) ->
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@pairedCharacters[string]?
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isCloseBracket: (string) ->
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@getInvertedPairedCharacters()[string]?
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getInvertedPairedCharacters: ->
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return @invertedPairedCharacters if @invertedPairedCharacters
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@invertedPairedCharacters = {}
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for open, close of @pairedCharacters
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@invertedPairedCharacters[close] = open
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@invertedPairedCharacters
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toggleLineCommentsInRange: (range) ->
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range = Range.fromObject(range)
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@aceMode.toggleCommentLines(@tokenizedBuffer.stackForRow(range.start.row), @aceAdaptor, range.start.row, range.end.row)
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isBufferRowFoldable: (bufferRow) ->
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@aceMode.foldingRules?.getFoldWidget(@aceAdaptor, null, bufferRow) == "start"
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rowRangeForFoldAtBufferRow: (bufferRow) ->
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if aceRange = @aceMode.foldingRules?.getFoldWidgetRange(@aceAdaptor, null, bufferRow)
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[aceRange.start.row, aceRange.end.row]
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else
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null
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indentationForRow: (row) ->
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for precedingRow in [row - 1..-1]
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return if precedingRow < 0
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precedingLine = @editSession.buffer.lineForRow(precedingRow)
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break if /\S/.test(precedingLine)
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scopes = @tokenizedBuffer.scopesForPosition([precedingRow, Infinity])
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indentation = precedingLine.match(/^\s*/)[0]
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increaseIndentPattern = TextMateBundle.getPreferenceInScope(scopes[0], 'increaseIndentPattern')
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decreaseIndentPattern = TextMateBundle.getPreferenceInScope(scopes[0], 'decreaseIndentPattern')
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if new OnigRegExp(increaseIndentPattern).search(precedingLine)
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indentation += @editSession.tabText
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line = @editSession.buffer.lineForRow(row)
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if new OnigRegExp(decreaseIndentPattern).search(line)
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indentation = indentation.replace(@editSession.tabText, "")
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indentation
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autoIndentTextAfterBufferPosition: (text, bufferPosition) ->
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{ row, column} = bufferPosition
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stack = @tokenizedBuffer.stackForRow(row)
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lineBeforeCursor = @buffer.lineForRow(row)[0...column]
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if text[0] == "\n"
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indent = @aceMode.getNextLineIndent(stack, lineBeforeCursor, @editSession.tabText)
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text = text[0] + indent + text[1..]
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else if @aceMode.checkOutdent(stack, lineBeforeCursor, text)
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shouldOutdent = true
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{text, shouldOutdent: false}
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autoOutdentBufferRow: (bufferRow) ->
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state = @tokenizedBuffer.stackForRow(bufferRow)
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@aceMode.autoOutdent(state, @aceAdaptor, bufferRow)
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getLineTokens: (line, stack) ->
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{tokens, stack} = @grammar.getLineTokens(line, stack)
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