Files
atom/src/app/project.coffee
2013-05-22 10:05:50 -07:00

318 lines
9.3 KiB
CoffeeScript

fsUtils = require 'fs-utils'
_ = require 'underscore'
$ = require 'jquery'
Range = require 'range'
Buffer = require 'text-buffer'
EditSession = require 'edit-session'
EventEmitter = require 'event-emitter'
Directory = require 'directory'
BufferedProcess = require 'buffered-process'
# Public: Represents a project that's opened in Atom.
#
# Ultimately, a project is a git directory that's been opened. It's a collection
# of directories and files that you can operate on.
module.exports =
class Project
registerDeserializer(this)
@openers: []
@registerOpener: (opener) ->
@openers.push(opener)
@unregisterOpener: (opener) ->
_.remove(@openers, opener)
tabLength: 2
softTabs: true
softWrap: false
rootDirectory: null
editSessions: null
ignoredPathRegexes: null
### Internal ###
serialize: ->
deserializer: 'Project'
path: @getPath()
@deserialize: (state) ->
new Project(state.path)
destroy: ->
editSession.destroy() for editSession in @getEditSessions()
### Public ###
# Establishes a new project at a given path.
#
# path - The {String} name of the path
constructor: (path) ->
@setPath(path)
@editSessions = []
@buffers = []
# Retrieves the project path.
#
# Returns a {String}.
getPath: ->
@rootDirectory?.path
# Sets the project path.
#
# path - A {String} representing the new path
setPath: (path) ->
@rootDirectory?.off()
if path?
directory = if fsUtils.isDirectory(path) then path else fsUtils.directory(path)
@rootDirectory = new Directory(directory)
else
@rootDirectory = null
@trigger "path-changed"
# Retrieves the name of the root directory.
#
# Returns a {String}.
getRootDirectory: ->
@rootDirectory
# Retrieves the names of every file (that's not `git ignore`d) in the project.
#
# Returns an {Array} of {String}s.
getFilePaths: ->
deferred = $.Deferred()
paths = []
onFile = (path) => paths.push(path) unless @isPathIgnored(path)
onDirectory = -> true
fsUtils.traverseTreeSync(@getPath(), onFile, onDirectory)
deferred.resolve(paths)
deferred.promise()
# Identifies if a path is ignored.
#
# path - The {String} name of the path to check
#
# Returns a {Boolean}.
isPathIgnored: (path) ->
for segment in path.split("/")
ignoredNames = config.get("core.ignoredNames") or []
return true if _.contains(ignoredNames, segment)
@ignoreRepositoryPath(path)
# Identifies if a path is ignored.
#
# path - The {String} name of the path to check
#
# Returns a {Boolean}.
ignoreRepositoryPath: (path) ->
config.get("core.hideGitIgnoredFiles") and git?.isPathIgnored(fsUtils.join(@getPath(), path))
# Given a uri, this resolves it relative to the project directory. If the path
# is already absolute or if it is prefixed with a scheme, it is returned unchanged.
#
# uri - The {String} name of the path to convert
#
# Returns a {String}.
resolve: (uri) ->
if uri?.match(/[A-Za-z0-9+-.]+:\/\//) # leave path alone if it has a scheme
uri
else
uri = fsUtils.join(@getPath(), uri) unless uri[0] == '/'
fsUtils.absolute uri
# Given a path, this makes it relative to the project directory.
#
# filePath - The {String} name of the path to convert
#
# Returns a {String}.
relativize: (fullPath) ->
return fullPath unless fullPath.lastIndexOf(@getPath()) is 0
fullPath.replace(@getPath(), "").replace(/^\//, '')
# Identifies if the project is using soft tabs.
#
# Returns a {Boolean}.
getSoftTabs: -> @softTabs
# Sets the project to use soft tabs.
#
# softTabs - A {Boolean} which, if `true`, sets soft tabs
setSoftTabs: (@softTabs) ->
# Identifies if the project is using soft wrapping.
#
# Returns a {Boolean}.
getSoftWrap: -> @softWrap
# Sets the project to use soft wrapping.
#
# softTabs - A {Boolean} which, if `true`, sets soft wrapping
setSoftWrap: (@softWrap) ->
# Given a path to a file, this constructs and associates a new `EditSession`, showing the file.
#
# filePath - The {String} path of the file to associate with
# editSessionOptions - Options that you can pass to the `EditSession` constructor
#
# Returns either an {EditSession} (for text) or {ImageEditSession} (for images).
open: (filePath, options={}) ->
for opener in @constructor.openers
return resource if resource = opener(filePath, options)
@buildEditSessionForBuffer(@bufferForPath(filePath), options)
# Retrieves all the {EditSession}s in the project; that is, the `EditSession`s for all open files.
#
# Returns an {Array} of {EditSession}s.
getEditSessions: ->
new Array(@editSessions...)
### Public ###
# Removes an {EditSession} association from the project.
#
# Returns the removed {EditSession}.
removeEditSession: (editSession) ->
_.remove(@editSessions, editSession)
# Retrieves all the {Buffer}s in the project; that is, the buffers for all open files.
#
# Returns an {Array} of {Buffer}s.
getBuffers: ->
buffers = []
for editSession in @editSessions when not _.include(buffers, editSession.buffer)
buffers.push editSession.buffer
buffers
# Given a file path, this retrieves or creates a new {Buffer}.
#
# If the `filePath` already has a `buffer`, that value is used instead. Otherwise,
# `text` is used as the contents of the new buffer.
#
# filePath - A {String} representing a path. If `null`, an "Untitled" buffer is created.
# text - The {String} text to use as a buffer, if the file doesn't have any contents
#
# Returns the {Buffer}.
bufferForPath: (filePath, text) ->
if filePath?
filePath = @resolve(filePath)
if filePath
buffer = _.find @buffers, (buffer) -> buffer.getPath() == filePath
buffer or @buildBuffer(filePath, text)
else
@buildBuffer(null, text)
# Given a file path, this sets its {Buffer}.
#
# filePath - A {String} representing a path
# text - The {String} text to use as a buffer
#
# Returns the {Buffer}.
buildBuffer: (filePath, text) ->
buffer = new Buffer(filePath, text)
@buffers.push buffer
@trigger 'buffer-created', buffer
buffer
# Removes a {Buffer} association from the project.
#
# Returns the removed {Buffer}.
removeBuffer: (buffer) ->
_.remove(@buffers, buffer)
# Performs a search across all the files in the project.
#
# regex - A {RegExp} to search with
# iterator - A {Function} callback on each file found
scan: (regex, iterator) ->
bufferedData = ""
state = 'readingPath'
path = null
readPath = (line) ->
if /^[0-9,; ]+:/.test(line)
state = 'readingLines'
else if /^:/.test line
path = line.substr(1)
else
path += ('\n' + line)
readLine = (line) ->
if line.length == 0
state = 'readingPath'
path = null
else
colonIndex = line.indexOf(':')
matchInfo = line.substring(0, colonIndex)
lineText = line.substring(colonIndex + 1)
readMatches(matchInfo, lineText)
readMatches = (matchInfo, lineText) ->
[lineNumber, matchPositionsText] = matchInfo.match(/(\d+);(.+)/)[1..]
row = parseInt(lineNumber) - 1
matchPositions = matchPositionsText.split(',').map (positionText) -> positionText.split(' ').map (pos) -> parseInt(pos)
for [column, length] in matchPositions
range = new Range([row, column], [row, column + length])
match = lineText.substr(column, length)
iterator({path, range, match})
deferred = $.Deferred()
exit = (code) ->
if code is -1
deferred.reject({command, code})
else
deferred.resolve()
stdout = (data) ->
lines = data.split('\n')
lines.pop() # the last segment is a spurious '' because data always ends in \n due to bufferLines: true
for line in lines
readPath(line) if state is 'readingPath'
readLine(line) if state is 'readingLines'
command = require.resolve('.bin/nak')
args = ['--hidden', '--ackmate', regex.source, @getPath()]
ignoredNames = config.get('core.ignoredNames') ? []
args.unshift('--ignore', ignoredNames.join(',')) if ignoredNames.length > 0
args.unshift('--addVCSIgnores') if config.get('core.excludeVcsIgnoredPaths')
new BufferedProcess({command, args, stdout, exit})
deferred
### Internal ###
buildEditSessionForBuffer: (buffer, editSessionOptions) ->
options = _.extend(@defaultEditSessionOptions(), editSessionOptions)
options.project = this
options.buffer = buffer
editSession = new EditSession(options)
@editSessions.push editSession
@trigger 'edit-session-created', editSession
editSession
defaultEditSessionOptions: ->
tabLength: @tabLength
softTabs: @getSoftTabs()
softWrap: @getSoftWrap()
eachEditSession: (callback) ->
callback(editSession) for editSession in @getEditSessions()
@on 'edit-session-created', (editSession) -> callback(editSession)
eachBuffer: (args...) ->
subscriber = args.shift() if args.length > 1
callback = args.shift()
callback(buffer) for buffer in @getBuffers()
if subscriber
subscriber.subscribe this, 'buffer-created', (buffer) -> callback(buffer)
else
@on 'buffer-created', (buffer) -> callback(buffer)
_.extend Project.prototype, EventEmitter
require 'image-edit-session'