_ = require("underscore")
toggleJS = (options)->
if options?.plainHtml
return ""
else
"onclick=\"j2h.toggleVisibility(this);return false\""
makeLabelDiv = (options, level, keyname, datatype)->
if _.isNumber(keyname)
return "#{keyname}
"
else if _.isString(keyname)
if datatype is 'array'
return "#{keyname}
"
else if datatype is 'object'
return "#{keyname}:
"
else
return "#{keyname}:
"
else return ""
getContentClass = (keyname)->
if _.isString(keyname)
return "content"
else
return ""
isPlainObject = (val)->
# Own properties are enumerated firstly, so to speed up,
# if last one is own, then all properties are own.
for own key of val
lastOwnKey = key
for key of val
lastKey = key
return lastOwnKey is lastKey
isLeafValue = (val)->
return _.isNumber(val) or _.isString(val) or _.isBoolean(val) or _.isDate(val) or _.isNull(val) \
or _.isUndefined(val) or _.isNaN(val) or _.isFunction(val) or not isPlainObject(val)
isLeafObject = (obj)->
if not _.isObject(obj)
return false
for key, val of obj
if not isLeafValue(val)
return false
return true
isTable = (arr)->
if not _.isArray(arr)
return false
if arr.length is 0 or not _.isObject(arr[0])
return false
else
nonCompliant = _.detect arr, (row)-> not isLeafObject(row)
if nonCompliant
return false
else
cols = _.keys(arr[0])
nonCompliant = _.detect arr, (row)-> not _.isEqual cols, _.keys(row)
if nonCompliant
return false
else
return true
drawTable = (arr)->
drawRow = (headers, rowObj) ->
return "" + (rowObj[header] for header in headers).join(" | ") + " | "
cols = _.keys(arr[0])
content = ((drawRow(cols, rowObj)) for rowObj in arr)
headingHtml = "| " + cols.join(" | ") + " |
|---|
"
contentHtml = "" + content.join("
") + "
"
return "#{headingHtml}#{contentHtml}
"
render = (name, data, options, level, altrow)->
#console.log "printing level #{level} for key #{name}"
contentClass = getContentClass(name)
if _.isArray(data)
title = makeLabelDiv(options, level, "#{name} (#{data.length})", 'array')
if isTable(data)
subs = drawTable(data)
else
subs = ""+(render(idx, val, options, (level+1), (idx % 2)) for val, idx in data).join("
")+"
"
return "
"
else if isLeafValue(data)
title = makeLabelDiv(options, level, name)
if _.isFunction(data)
return "#{title} -function() can't render-"
else if not isPlainObject(data)
if _.isFunction data.toString
return "#{title} #{data.toString()}"
else
return "#{title} -instance object, can't render-"
else
return "#{title} #{data}"
else
title = makeLabelDiv(options, level, name, 'object')
count = 0
subs = ""+(render(key, data[key], options, (level+1), (count++ % 2) ) for key of data).join("
")+"
"
inner = """
"""
return """
#{if level is 0 then '' else ''}
#{inner}
#{if level is 0 then '
' else ''}
"""
exports.render = (json, options)->
return "#{head}#{render(null,json, options, 0, 0)}"
head = '''
'''