https://github.com/rksm/lively-r-evaluate

Providing support for R code evaluation from Lively Web.
https://github.com/rksm/lively-r-evaluate

Last synced: about 1 month ago
JSON representation

Providing support for R code evaluation from Lively Web.

• Host: GitHub
• URL: https://github.com/rksm/lively-r-evaluate
• Owner: rksm
• License: mit
• Created: 2013-08-30T04:57:55.000Z (over 11 years ago)
• Default Branch: master
• Last Pushed: 2014-01-20T06:11:51.000Z (almost 11 years ago)
• Last Synced: 2023-08-02T13:23:05.447Z (over 1 year ago)
• Language: R
• Size: 172 KB
• Stars: 0
• Watchers: 5
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.html
  • License: LICENSE

Awesome Lists containing this project

README

        


lively-R-evaluate

body, td {

   font-family: sans-serif;

   background-color: white;

   font-size: 12px;

   margin: 8px;

}

tt, code, pre {

   font-family: 'DejaVu Sans Mono', 'Droid Sans Mono', 'Lucida Console', Consolas, Monaco, monospace;

}

h1 { 

   font-size:2.2em; 

}

h2 { 

   font-size:1.8em; 

}

h3 { 

   font-size:1.4em; 

}

h4 { 

   font-size:1.0em; 

}

h5 { 

   font-size:0.9em; 

}

h6 { 

   font-size:0.8em; 

}

a:visited {

   color: rgb(50%, 0%, 50%);

}

pre {	

   margin-top: 0;

   max-width: 95%;

   border: 1px solid #ccc;

   white-space: pre-wrap;

}

pre code {

   display: block; padding: 0.5em;

}

code.r, code.cpp {

   background-color: #F8F8F8;

}

table, td, th {

  border: none;

}

blockquote {

   color:#666666;

   margin:0;

   padding-left: 1em;

   border-left: 0.5em #EEE solid;

}

hr {

   height: 0px;

   border-bottom: none;

   border-top-width: thin;

   border-top-style: dotted;

   border-top-color: #999999;

}

@media print {

   * { 

      background: transparent !important; 

      color: black !important; 

      filter:none !important; 

      -ms-filter: none !important; 

   }

   body { 

      font-size:12pt; 

      max-width:100%; 

   }

       

   a, a:visited { 

      text-decoration: underline; 

   }

   hr { 

      visibility: hidden;

      page-break-before: always;

   }

   pre, blockquote { 

      padding-right: 1em; 

      page-break-inside: avoid; 

   }

   tr, img { 

      page-break-inside: avoid; 

   }

   img { 

      max-width: 100% !important; 

   }

   @page :left { 

      margin: 15mm 20mm 15mm 10mm; 

   }

     

   @page :right { 

      margin: 15mm 10mm 15mm 20mm; 

   }

   p, h2, h3 { 

      orphans: 3; widows: 3; 

   }

   h2, h3 { 

      page-break-after: avoid; 

   }

}

lively-R-evaluate


lively-R-evaluate provides support for R code evaluation for Lively Kernel / Lively Web.

It defines the R API that is called by the Lively RServer.


API


evaluate(id, sourceString)


Start a new evaluation under the given id.


Arguments




id - String to identify the evaluation process

sourceString - source code to evaluate



Example


require(LivelyREvaluate)

evaluate('test', '1+4')

# evaluation happens in asynchronously in subprocess, so wait a bit

Sys.sleep(0.2)

getEvalResult('test')



The evaluation result will the be a pairlist with the fields:




interrupted=c(TRUE,FALSE)

processState=c("DONE","PENDING","NONEXISTANT")

result=



expr

source

value

text

graphics

message

warning

error

1

message(“hello!”)

<NA>

<NA>

<NA>

simpleMessage in message(“hello!”): hello!

<NA>

<NA>

2

1+4

5

<NA>

<NA>

<NA>

<NA>

<NA>

evaluateToJSON(json)


Call evaluate by specifying id and source with JSON and return the result as JSON


Arguments




json - {id: STRING, source: STRING}





stopEvaluation(id)


Interrupts an evaluation process.


Arguments




id - The process name/identifier (id given by user, not pid!)



getEvalResult(id)


Returns the evaluation result.


Arguments




id - The eval identifier



Example


See evaluate()


getEvalResults()


Returns all evaluation results.


License


MIT license