2016-01-05 20:34:07 +00:00
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# NimYAML - YAML implementation in Nim
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# (c) Copyright 2015 Felix Krause
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#
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# See the file "copying.txt", included in this
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# distribution, for details about the copyright.
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import jester, asyncdispatch, json, streams
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import yaml
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routes:
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get "/":
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headers["Content-Type"] = "text/plain"
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resp "I am a friendly NimYAML parser webservice."
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post "/":
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2016-02-18 14:52:19 +00:00
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var
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style: PresentationStyle
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resultNode = newJObject()
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tokens = false
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headers["Access-Control-Allow-Origin"] = "*"
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headers["Pragma"] = "no-cache"
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headers["Cache-Control"] = "no-cache"
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headers["Expires"] = "0"
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2016-02-18 21:01:13 +00:00
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try:
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case @"style"
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of "minimal": style = psMinimal
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of "canonical": style = psCanonical
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of "default": style = psDefault
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of "json": style = psJson
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of "block": style = psBlockOnly
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of "tokens":
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var
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output = ""
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parser = newYamlParser()
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events = parser.parse(newStringStream(@"input"))
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2016-02-18 14:52:19 +00:00
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for event in events:
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output.add($event & "\n")
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resultNode["code"] = %0
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resultNode["output"] = %output
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resp resultNode.pretty, "application/json"
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tokens = true
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2016-02-18 21:01:13 +00:00
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if not tokens:
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var output = newStringStream()
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2016-02-26 21:12:15 +00:00
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transform(newStringStream(@"input"), output,
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defineOptions(style))
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2016-02-18 21:01:13 +00:00
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resultNode["code"] = %0
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resultNode["output"] = %output.data
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2016-02-18 14:52:19 +00:00
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resp resultNode.pretty, "application/json"
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2016-02-18 21:01:13 +00:00
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except YamlParserError:
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2016-01-24 20:43:33 +00:00
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let e = (ref YamlParserError)(getCurrentException())
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2016-01-07 10:31:45 +00:00
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resultNode["code"] = %1
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resultNode["line"] = %e.line
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resultNode["column"] = %e.column
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resultNode["message"] = %e.msg
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resultNode["detail"] = %e.lineContent
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resp resultNode.pretty, "application/json"
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2016-02-18 21:01:13 +00:00
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except YamlPresenterJsonError:
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2016-01-07 10:31:45 +00:00
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let e = getCurrentException()
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resultNode["code"] = %2
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resultNode["message"] = %e.msg
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2016-01-05 20:34:07 +00:00
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headers["Content-Type"] = "application/json"
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2016-01-07 10:31:45 +00:00
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resp resultNode.pretty, "application/json"
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2016-02-18 21:01:13 +00:00
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except:
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2016-01-07 10:31:45 +00:00
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let e = getCurrentException()
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2016-01-24 20:43:33 +00:00
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let msg = "Name: " & $e.name & "\nMessage: " & e.msg &
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"\nTrace:\n" & e.getStackTrace
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2016-01-07 10:31:45 +00:00
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resp Http500, msg, "text/plain;charset=utf-8"
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2016-01-05 20:34:07 +00:00
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2016-01-05 22:19:00 +00:00
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runForever()
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