utils.coffee
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#-------------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#-------------------------------------------------------------------------------
fs = require 'fs'
path = require 'path'
utils = exports
utils.Program = Program = path.basename process.argv[1]
SequenceNumberMax = 100 * 1024 * 1024
SequenceNumber = 0
#-------------------------------------------------------------------------------
utils.getNextSequenceNumber = (g) ->
SequenceNumber++
if SequenceNumber > SequenceNumberMax
SequenceNumber = 0
SequenceNumber
#-------------------------------------------------------------------------------
utils.trim = (string) ->
string.replace(/(^\s+)|(\s+$)/g,'')
#-------------------------------------------------------------------------------
utils.log = log = (message) ->
date = new Date()
time = date.toISOString()
console.log "#{time} #{Program}: #{message}"
#-------------------------------------------------------------------------------
utils.logVerbose = (message) ->
return if !utils?.options?.verbose
log message
#-------------------------------------------------------------------------------
utils.logDebug = (message) ->
return if !utils?.options?.debug
log message
#-------------------------------------------------------------------------------
utils.exit = (message) ->
log message
process.exit 1
#-------------------------------------------------------------------------------
utils.pitch = (message) ->
log message
throw message
#-------------------------------------------------------------------------------
utils.setOptions = (options) ->
utils.options = options
#-------------------------------------------------------------------------------
utils.ensureInteger = (value, message) ->
newValue = parseInt value
if isNaN newValue
utils.exit "#{message}: '#{value}'"
newValue
#-------------------------------------------------------------------------------
utils.ensureString = (value, message) ->
if typeof value != 'string'
utils.exit "#{message}: '#{value}'"
value
#-------------------------------------------------------------------------------
utils.ensureBoolean = (value, message) ->
uValue = value.toString().toUpperCase()
newValue = null
switch uValue
when 'TRUE' then newValue = true
when 'FALSE' then newValue = false
if typeof(newValue) != 'boolean'
utils.exit "#{message}: '#{value}'"
newValue
#-------------------------------------------------------------------------------
utils.setNamesForClass = (aClass) ->
for own key, val of aClass
if typeof(val) is "function"
val.signature = "#{aClass.name}::#{key}"
val.displayName = val.signature
val.name = val.signature
for own key, val of aClass.prototype
if typeof(val) is "function"
val.signature = "#{aClass.name}.#{key}"
val.displayName = val.signature
val.name = val.signature
#-------------------------------------------------------------------------------
utils.registerClass = (aClass) ->
utils.setNamesForClass(aClass)
aClass
#-------------------------------------------------------------------------------
utils.alignLeft = (string, length) ->
while string.length < length
string = "#{string} "
string
#-------------------------------------------------------------------------------
utils.alignRight = (string, length) ->
while string.length < length
string = " #{string}"
string
#-------------------------------------------------------------------------------
utils.fileExistsSync = (name) ->
if fs.existsSync
return fs.existsSync name
return path.existsSync(name)
#-------------------------------------------------------------------------------
Error.prepareStackTrace = (error, structuredStackTrace) ->
result = []
result.push "---------------------------------------------------------"
result.push "error: #{error}"
result.push "---------------------------------------------------------"
result.push "stack: "
longestFile = 0
longestLine = 0
for callSite in structuredStackTrace
file = callSite.getFileName()
line = callSite.getLineNumber()
file = path.basename(file)
line = "#{line}"
if file.length > longestFile
longestFile = file.length
if line.length > longestLine
longestLine = line.length
for callSite in structuredStackTrace
func = callSite.getFunction()
file = callSite.getFileName()
line = callSite.getLineNumber()
file = path.basename(file)
line = "#{line}"
file = utils.alignRight(file, longestFile)
line = utils.alignLeft( line, longestLine)
funcName = func.displayName ||
func.name ||
callSite.getFunctionName()
callSite.getMethodName()
'???'
if funcName == "Module._compile"
result.pop()
result.pop()
break
result.push " #{file}:#{line} - #{funcName}()"
result.join "\n"