Files
atom/src/project.coffee
2013-11-19 14:56:09 -08:00

354 lines
11 KiB
CoffeeScript

path = require 'path'
url = require 'url'
_ = require 'underscore-plus'
fs = require 'fs-plus'
Q = require 'q'
telepath = require 'telepath'
TextBuffer = require './text-buffer'
TextEditor = require './text-editor'
{Emitter} = require 'emissary'
Directory = require './directory'
Task = require './task'
Git = require './git'
# 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 extends telepath.Model
Emitter.includeInto(this)
@properties
buffers: []
path: null
# Public: Find the local path for the given repository URL.
@pathForRepositoryUrl: (repoUrl) ->
[repoName] = url.parse(repoUrl).path.split('/')[-1..]
repoName = repoName.replace(/\.git$/, '')
path.join(atom.config.get('core.projectHome'), repoName)
# Private: Called by telepath.
attached: ->
for buffer in @buffers.getValues()
buffer.once 'destroyed', => @removeBuffer(buffer)
@openers = []
@editSessions = []
@setPath(@path)
# Private: Called by telepath.
beforePersistence: ->
@destroyUnretainedBuffers()
# Public:
registerOpener: (opener) -> @openers.push(opener)
# Public:
unregisterOpener: (opener) -> _.remove(@openers, opener)
# Private:
destroy: ->
editSession.destroy() for editSession in @getEditSessions()
buffer.release() for buffer in @getBuffers()
@destroyRepo()
# Private:
destroyRepo: ->
if @repo?
@repo.destroy()
@repo = null
# Private:
destroyUnretainedBuffers: ->
buffer.destroy() for buffer in @getBuffers() when not buffer.isRetained()
# Public: Returns the {Git} repository if available.
getRepo: -> @repo
# Public: Returns the project's fullpath.
getPath: ->
@rootDirectory?.path
# Public: Sets the project's fullpath.
setPath: (projectPath) ->
@path = projectPath
@rootDirectory?.off()
@destroyRepo()
if projectPath?
directory = if fs.isDirectorySync(projectPath) then projectPath else path.dirname(projectPath)
@rootDirectory = new Directory(directory)
if @repo = Git.open(projectPath, project: this)
@repo.refreshIndex()
@repo.refreshStatus()
else
@rootDirectory = null
@emit "path-changed"
# Public: Returns the name of the root directory.
getRootDirectory: ->
@rootDirectory
# Public: Determines if a path is ignored via Atom configuration.
isPathIgnored: (path) ->
for segment in path.split("/")
ignoredNames = atom.config.get("core.ignoredNames") or []
return true if _.contains(ignoredNames, segment)
@ignoreRepositoryPath(path)
# Public: Determines if a given path is ignored via repository configuration.
ignoreRepositoryPath: (repositoryPath) ->
atom.config.get("core.hideGitIgnoredFiles") and @repo?.isPathIgnored(path.join(@getPath(), repositoryPath))
# Public: 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) ->
return unless uri
if uri?.match(/[A-Za-z0-9+-.]+:\/\//) # leave path alone if it has a scheme
uri
else
uri = path.join(@getPath(), uri) unless fs.isAbsolute(uri)
fs.absolute uri
# Public: Make the given path relative to the project directory.
relativize: (fullPath) ->
return fullPath if fullPath?.match(/[A-Za-z0-9+-.]+:\/\//) # leave path alone if it has a scheme
@rootDirectory?.relativize(fullPath) ? fullPath
# Public: Returns whether the given path is inside this project.
contains: (pathToCheck) ->
@rootDirectory?.contains(pathToCheck) ? false
# Public: Given a path to a file, this constructs and associates a new
# {TextEditor}, showing the file.
#
# * filePath:
# The {String} path of the file to associate with
# * editSessionOptions:
# Options that you can pass to the {TextEditor} constructor
#
# Returns a promise that resolves to an {TextEditor}.
open: (filePath, options={}) ->
filePath = @resolve(filePath)
resource = null
_.find @openers, (opener) -> resource = opener(filePath, options)
if resource
Q(resource)
else
@bufferForPath(filePath).then (buffer) =>
@buildEditSessionForBuffer(buffer, options)
# Private: Only be used in specs
openSync: (filePath, options={}) ->
filePath = @resolve(filePath)
for opener in @openers
return resource if resource = opener(filePath, options)
@buildEditSessionForBuffer(@bufferForPathSync(filePath), options)
# Public: Retrieves all {TextEditor}s for all open files.
#
# Returns an {Array} of {TextEditor}s.
getEditSessions: ->
new Array(@editSessions...)
# Public: Add the given {TextEditor}.
addEditSession: (editSession) ->
@editSessions.push editSession
@emit 'edit-session-created', editSession
# Public: Return and removes the given {TextEditor}.
removeEditSession: (editSession) ->
_.remove(@editSessions, editSession)
# Private: Retrieves all the {TextBuffer}s in the project; that is, the
# buffers for all open files.
#
# Returns an {Array} of {TextBuffer}s.
getBuffers: ->
new Array(@buffers.getValues()...)
isPathModified: (filePath) ->
@findBufferForPath(@resolve(filePath))?.isModified()
findBufferForPath: (filePath) ->
_.find @buffers.getValues(), (buffer) -> buffer.getPath() == filePath
# Private: Only to be used in specs
bufferForPathSync: (filePath) ->
absoluteFilePath = @resolve(filePath)
existingBuffer = @findBufferForPath(absoluteFilePath) if filePath
existingBuffer ? @buildBufferSync(absoluteFilePath)
# Private: Given a file path, this retrieves or creates a new {TextBuffer}.
#
# 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.
#
# Returns a promise that resolves to the {TextBuffer}.
bufferForPath: (filePath) ->
absoluteFilePath = @resolve(filePath)
existingBuffer = @findBufferForPath(absoluteFilePath) if absoluteFilePath
Q(existingBuffer ? @buildBuffer(absoluteFilePath))
# Private:
bufferForId: (id) ->
_.find @buffers, (buffer) -> buffer.id is id
# Private: DEPRECATED
buildBufferSync: (absoluteFilePath) ->
buffer = new TextBuffer({filePath: absoluteFilePath})
@addBuffer(buffer)
buffer.loadSync()
buffer
# Private: Given a file path, this sets its {TextBuffer}.
#
# absoluteFilePath - A {String} representing a path
# text - The {String} text to use as a buffer
#
# Returns a promise that resolves to the {TextBuffer}.
buildBuffer: (absoluteFilePath) ->
buffer = new TextBuffer({filePath: absoluteFilePath})
@addBuffer(buffer)
buffer.load()
.then((buffer) -> buffer)
.catch(=> @removeBuffer(buffer))
# Private:
addBuffer: (buffer, options={}) ->
@addBufferAtIndex(buffer, @buffers.length, options)
# Private:
addBufferAtIndex: (buffer, index, options={}) ->
buffer = @buffers.insert(index, buffer)
buffer.once 'destroyed', => @removeBuffer(buffer)
@emit 'buffer-created', buffer
buffer
# Private: Removes a {TextBuffer} association from the project.
#
# Returns the removed {TextBuffer}.
removeBuffer: (buffer) ->
index = @buffers.indexOf(buffer)
@removeBufferAtIndex(index) unless index is -1
# Private:
removeBufferAtIndex: (index, options={}) ->
[buffer] = @buffers.splice(index, 1)
buffer?.destroy()
# Public: Performs a search across all the files in the project.
#
# * regex:
# A RegExp to search with
# * options:
# - paths: an {Array} of glob patterns to search within
# * iterator:
# A Function callback on each file found
scan: (regex, options={}, iterator) ->
if _.isFunction(options)
iterator = options
options = {}
deferred = Q.defer()
searchOptions =
ignoreCase: regex.ignoreCase
inclusions: options.paths
includeHidden: true
excludeVcsIgnores: atom.config.get('core.excludeVcsIgnoredPaths')
exclusions: atom.config.get('core.ignoredNames')
task = Task.once require.resolve('./scan-handler'), @getPath(), regex.source, searchOptions, ->
deferred.resolve()
task.on 'scan:result-found', (result) =>
iterator(result) unless @isPathModified(result.filePath)
if _.isFunction(options.onPathsSearched)
task.on 'scan:paths-searched', (numberOfPathsSearched) ->
options.onPathsSearched(numberOfPathsSearched)
for buffer in @buffers.getValues() when buffer.isModified()
filePath = buffer.getPath()
matches = []
buffer.scan regex, (match) -> matches.push match
iterator {filePath, matches} if matches.length > 0
deferred.promise
# Public: Performs a replace across all the specified files in the project.
#
# * regex: A RegExp to search with
# * replacementText: Text to replace all matches of regex with
# * filePaths: List of file path strings to run the replace on.
# * iterator: A Function callback on each file with replacements. ({filePath, replacements}) ->
replace: (regex, replacementText, filePaths, iterator) ->
deferred = Q.defer()
openPaths = (buffer.getPath() for buffer in @buffers.getValues())
outOfProcessPaths = _.difference(filePaths, openPaths)
inProcessFinished = !openPaths.length
outOfProcessFinished = !outOfProcessPaths.length
checkFinished = ->
deferred.resolve() if outOfProcessFinished and inProcessFinished
unless outOfProcessFinished.length
flags = 'g'
flags += 'i' if regex.ignoreCase
task = Task.once require.resolve('./replace-handler'), outOfProcessPaths, regex.source, flags, replacementText, ->
outOfProcessFinished = true
checkFinished()
task.on 'replace:path-replaced', iterator
for buffer in @buffers.getValues()
replacements = buffer.replace(regex, replacementText, iterator)
iterator({filePath: buffer.getPath(), replacements}) if replacements
inProcessFinished = true
checkFinished()
deferred.promise
# Private:
buildEditSessionForBuffer: (buffer, editSessionOptions) ->
editSession = new TextEditor(_.extend({buffer}, editSessionOptions))
@addEditSession(editSession)
editSession
# Private:
eachEditSession: (callback) ->
callback(editSession) for editSession in @getEditSessions()
@on 'edit-session-created', (editSession) -> callback(editSession)
# Private:
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)