1 | Reader = require "./io/reader"
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2 | Writer = require "./io/writer"
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3 | outcome = require "outcome"
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4 |
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5 |
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6 |
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7 |
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8 |
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9 | exports.Reader = class MessageReader extends Reader
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10 |
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11 | |
12 |
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13 |
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14 |
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15 | constructor: (@writer, @from, @channel, @query, @sanitized = {}, @headers = {}, @filter = {}, @callback = null) ->
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16 | super writer
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17 |
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18 |
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19 |
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20 | exports.Writer = class MessageWriter extends Writer
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21 |
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22 | |
23 |
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24 |
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25 | constructor: (@_ops) ->
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26 |
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27 | @channel = _ops.channel
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28 | @callback = _ops.callback
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29 | @next = _ops.next
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30 | @filter = _ops.filter or {}
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31 | @pre = _ops.pre
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32 | @type = _ops.type
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33 | @from = _ops.from
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34 | @headers = _ops.headers
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35 | @query = _ops.query
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36 | @sanitized = _ops.sanitized
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37 |
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38 |
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39 | super()
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40 |
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41 |
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42 | |
43 |
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44 |
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45 | reader: (index, numListeners) ->
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46 | return new MessageReader @,
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47 | @from,
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48 | @channel,
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49 | @query,
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50 | @sanitized,
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51 | @headers,
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52 | @filter,
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53 | @callback
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54 |
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55 |
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56 |
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57 | exports.Builder = class
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58 |
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59 | |
60 |
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61 |
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62 | constructor: (@router) -> @clean()
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63 |
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64 | |
65 |
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66 |
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67 |
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68 |
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69 | options: (value) ->
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70 | return @_ops if !arguments.length
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71 | @_ops = value || {}
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72 | @
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73 |
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74 | |
75 |
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76 |
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77 | clean: () ->
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78 | @_ops = {}
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79 | @from(@router)
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80 |
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81 |
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82 | |
83 |
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84 |
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85 |
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86 | tag: (keyOrTags, value) ->
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87 | @_objParam 'filter', arguments, (value) ->
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88 |
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89 | if typeof value == 'boolean'
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90 | return { $exists: value }
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91 |
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92 | return value
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93 |
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94 | |
95 |
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96 |
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97 |
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98 | headers: (value) -> @header value
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99 |
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100 | |
101 |
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102 |
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103 |
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104 | header: (keyOrHeaders, value) -> @_objParam 'headers', arguments
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105 |
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106 | |
107 |
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108 |
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109 | type: (value) -> @_param 'type', arguments
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110 |
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111 | |
112 |
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113 |
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114 | from: (value) -> @_param 'from', arguments
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115 |
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116 | |
117 |
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118 |
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119 | to: (value) -> @_param 'to', arguments
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120 |
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121 | |
122 |
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123 |
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124 | channel: (value) -> @_param 'channel', arguments
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125 |
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126 | |
127 |
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128 |
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129 |
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130 | query: (value) -> @_param 'query', arguments
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131 |
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132 |
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133 | |
134 |
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135 |
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136 |
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137 | sanitized: (value) -> @_param 'sanitized', arguments
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138 |
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139 |
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140 | |
141 |
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142 |
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143 |
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144 |
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145 | response: (callback) -> @_param 'response', arguments
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146 |
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147 | |
148 |
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149 |
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150 |
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151 | error: (callback) -> @_param 'error', arguments
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152 |
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153 | |
154 |
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155 |
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156 |
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157 | success: (callback) -> @_param 'success', arguments
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158 |
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159 | |
160 |
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161 |
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162 |
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163 | next: (middleware) -> @_param 'next', arguments
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164 |
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165 | |
166 |
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167 |
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168 |
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169 | pre: (middleware) -> @_param 'pre', arguments
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170 |
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171 | |
172 |
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173 |
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174 | dispatch: (type) ->
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175 |
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176 | @_ops.callback = outcome error: @error(), success: @success(), callback: @response()
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177 |
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178 | @type type if type
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179 | writer = new MessageWriter @_ops
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180 | @router.dispatch writer
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181 | writer
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182 |
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183 | |
184 |
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185 |
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186 |
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187 | hasListeners: () -> @exists()
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188 |
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189 | |
190 |
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191 |
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192 | exists: () -> !!@router.director(@type()).getListeners({channel: @_ops.channel, filter: @_ops.filter }, false).length
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193 |
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194 | |
195 |
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196 |
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197 | _param: (name, args) ->
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198 | return @_ops[name] if !args.length
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199 | @_ops[name] = args[0]
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200 | @
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201 |
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202 |
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203 | |
204 |
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205 |
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206 | _objParam: (name, args, getValue) ->
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207 | return @_ops[name] if !args.length
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208 |
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209 | @_ops[name] = {} if not @_ops[name]
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210 |
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211 | keyOrObj = args[0]
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212 | value = args[1]
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213 |
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214 |
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215 |
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216 | if typeof keyOrObj == 'string'
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217 |
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218 |
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219 | if args.length == 1 then return @_ops.headers[keyOrObj]
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220 |
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221 | @_ops[name][keyOrObj] = if getValue then getValue value else value
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222 |
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223 | else
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224 | @_objParam name, [key, keyOrObj[key]], getValue for key of keyOrObj
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225 |
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226 | @
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227 |
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