@phema/cql-execution

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/elm/quantity.coffee</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../prettify.css" /> <link rel="stylesheet" href="../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../index.html">All files</a> / <a href="index.html">src/elm</a> quantity.coffee </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 95.7% Statements 89/93 </div> <div class='fl pad1y space-right2'> 80.56% Branches 29/36 </div> <div class='fl pad1y space-right2'> 100% Functions 31/31 </div> <div class='fl pad1y space-right2'> 97.75% Lines 87/89 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. </div> <div class='status-line high'></div> <pre><table 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class="line-coverage quiet">7x 1x 1x 1x 1x 1x 1x         1x   8438x 8438x     2x   8436x   6x       6x       1x                             31x               15x               101x               110x                         111x                                 76x 76x 76x 76x 76x           4x             152x 152x     1x                                                                   1x       1x             53x 53x       1x     1x   8368x     57x 54x 54x   3x 3x   1x                 1x 76x 76x 152x 70x 70x 70x 51x 76x 76x   19x                   1x   76x 76x 76x 76x 76x 152x 61x 61x   19x     1x     1x 180x   178x 2x   115x   61x         1x   66x     66x 4x     26x         1x     1x     1x       1x     1x     1x   20x 1x 1x 16x 2x 2x  </td><td class="text"><pre class="prettyprint lang-js">{ Expression } = require './expression' { FunctionRef } = require './reusable' { decimalAdjust, isValidDecimal } = require '../util/math' { ValueSet, Code } = require '../datatypes/datatypes' { Exception } = require '../datatypes/exception' { build } = require './builder' ucum = require 'ucum'   # Unit conversation is currently implemented on for time duration comparison operations # TODO: Implement unit conversation for time duration mathematical operations # TODO: Quantity should probably be available as a datatype (not just ELM expression) module.exports.Quantity = class Quantity extends Expression constructor: (json) -> super @unit = json.unit   if !json.value? throw new Error("Cannot create a quantity with an undefined value") else @value = parseFloat json.value if !isValidDecimal(@value) throw new Error("Cannot create a quantity with an invalid decimal value")   # Attempt to parse the unit with UCUM. If it fails, throw a friendly error. if @unit? and !is_valid_ucum_unit(@unit) throw new Error("\'#{@unit}\' is not a valid UCUM unit.")   # Define a simple getter to allow type-checking of this class without instanceof # and in a way that survives minification (as opposed to checking constructor.name) Object.defineProperties @prototype, isQuantity: get: -> true   clone: () -> new Quantity({value: @value, unit: @unit})   exec: (ctx) -> @   toString: () -> "#{@value} '#{@unit}'"   sameOrBefore: (other) -> if other instanceof Quantity other_v = convert_value(other.value,ucum_unit(other.unit),ucum_unit(@unit)) if(!other_v?) null else @value <= other_v   sameOrAfter: (other) -> if other instanceof Quantity other_v = convert_value(other.value,ucum_unit(other.unit),ucum_unit(@unit)) if(!other_v?) null else @value >= other_v   after: (other) -> if other instanceof Quantity other_v = convert_value(other.value,ucum_unit(other.unit),ucum_unit(@unit)) if(!other_v?) null else @value > other_v   before: (other) -> if other instanceof Quantity other_v = convert_value(other.value,ucum_unit(other.unit),ucum_unit(@unit)) if(!other_v?) null else @value < other_v   equals: (other) -> if other instanceof Quantity if (!@unit && other.unit ) || (@unit && !other.unit) false else if !@unit && !other.unit @value == other.value else other_v = convert_value(other.value,ucum_unit(other.unit),ucum_unit(@unit)) if(!other_v?) null else decimalAdjust("round", @value, -8) == decimalAdjust("round", other_v, -8)   convertUnits: (to_units) -> convert_value(@value,@unit,to_units)   dividedBy: (other) -> @multiplyDivide(other,"/")   multiplyBy: (other) -> @multiplyDivide(other,".") # in ucum . represents multiplication   multiplyDivide: (other, operator) -> if other instanceof Quantity a = if this.unit? then this else new Quantity({value: this.value, unit: "1"}) b = if other.unit? then other else new Quantity({value: other.value, unit: "1"}) can_val = a.to_ucum() other_can_value = b.to_ucum() ucum_value = ucum_multiply(can_val,[[operator,other_can_value]]) try createQuantity(ucum_value.value, units_to_string(ucum_value.units)) catch null else value = if operator == "/" then @value / other else @value * other try createQuantity( decimalAdjust("round",value,-8), coalesceToOne(@unit) ) catch null   to_ucum: -> u = ucum.parse(ucum_unit(@unit)) u.value *= @value u   clean_unit = (units) -> if ucum_time_units[units] then ucum_to_cql_units[ucum_time_units[units]] else units   # Hash of time units and their UCUM equivalents, both case-sensitive and case-insensitive # See http://unitsofmeasure.org/ucum.html#para-31 # The CQL specification says that dates are based on the Gregorian calendar # UCUM says that years should be Julian. As a result, CQL-based year and month identifiers will # be matched to the UCUM gregorian units. UCUM-based year and month identifiers will be matched # to the UCUM julian units. ucum_time_units = {'years': 'a_g', 'year': 'a_g', 'YEARS': 'a_g', 'YEAR': 'a_g', 'a_g': 'a_g' , 'a': 'a_j', 'ANN': 'a_j', 'ann': 'a_j', 'A': 'a_j', 'a_j': 'a_j' , 'months': 'mo_g', 'month':'mo_g', 'mo_g': 'mo_g' , 'mo': 'mo_j', 'MO': 'mo_j', 'mo_j': 'mo_j' , 'weeks': 'wk', 'week': 'wk', 'wk': 'wk', 'WK': 'wk' , 'days': 'd', 'day':'d', 'd': 'd', 'D': 'd' , 'hours': 'h', 'hour': 'h', 'h': 'h', 'H': 'h' , 'minutes': 'min', 'minute': 'min', 'min': 'min', 'MIN': 'min' , 'seconds':'s', 'second':'s', 's': 's', 'S': 's' , 'milliseconds' : 'ms', 'millisecond' : 'ms', 'ms': 'ms', 'MS': 'ms' }   ucum_to_cql_units = { 'a_j': 'year' , 'a_g': 'year' , 'mo_j': 'month' , 'mo_g': 'month' , 'wk': 'week' , 'd': 'day' , 'h': 'hour' , 'min': 'minute' , 's': 'second' , 'ms': 'millisecond' } # this is used to perform any conversions of CQL date time fields to their ucum equivalents ucum_unit = (unit) -> ucum_time_units[unit] || unit || ''   #just a wrapper function to deal with possible exceptions being thrown convert_value = (value, from, to) -> try if from == to value else decimalAdjust("round", ucum.convert(value,ucum_unit(from),ucum_unit(to)), -8) # If the units could not be alignied ie: incompareable, exception will be thrown, return null catch e return null   # Cache for unit validity results so we dont have to go to ucum.js for every check. # Is a map of unit string to boolean validity unitValidityCache = {}   # Helper for checking if a unit is valid. Checks the cache first, checks with ucum.js otherwise. is_valid_ucum_unit = (unit) -> if unitValidityCache.hasOwnProperty(unit) return unitValidityCache[unit] else try ucum.parse(ucum_unit(unit)) unitValidityCache[unit] = true return true catch unitValidityCache[unit] = false return false   module.exports.convert_value = convert_value # This method will take a ucum.js representation of units and convert them to a string # ucum.js units are a has of unit => power values. For instance m/h (meters per hour) in # ucum.js will be reprsented by the json object {m: 1, h:-1} negative values are inverted and # are akin to denominator values in a fraction. Positive values are somewhat a kin to numerator # values in that they preceed the inverted values. It is possible in ucum to have multiple non inverted # or inverted values. This method combines all of the non inverted values and appends them with # the ucum multiplication operator '.' and then appends the inverted values separated by the ucum # divisor '/' . units_to_string = (units = {}) -> numer = [] denom = [] for key in Object.keys(units) v = units[key] pow = Math.abs v str = if pow == 1 then key else key + pow if v < 0 then denom.push str else numer.push str unit_string = "" unit_string += numer.join(".") if denom.length > 0 unit_string += "/" + denom.join("/") if unit_string == "" then "1" else unit_string     # this method is taken from the ucum.js library which it does not export # so we need to replicate the behavior here in order to perform multiplication # and division of the ucum values. # t: the ucum quantity being multiplied/divided . This method modifies the object t that is passed in # ms: an array of arrays whoes format is [<operator>,<ucum quantity>] an example would be [['.', {value: 1, units: {m:2}}]] # this would represent multiply t by the value m^2 ucum_multiply = (t, ms=[]) -> return t if ms.length == 0 ret = t for mterm in ms sign = if mterm[0] == '.' then 1 else -1 b = mterm[1] ret.value *= Math.pow(b.value,sign) for k,v of b.units ret.units[k] = ret.units[k] || 0 ret.units[k] = ret.units[k] + sign*v if ret.units[k] == 0 delete ret.units[k] ret   module.exports.createQuantity = createQuantity = (value,unit) -> new Quantity({value: value, unit: unit})   module.exports.parseQuantity = (str) -> components = /([+|-]?\d+\.?\d*)\s*('(.+)')?/.exec str if components? and components[1]? value = parseFloat(components[1]) return null unless isValidDecimal(value) if components[3]? unit = components[3].trim() else unit = "" new Quantity({value: value, unit: unit}) else null   doScaledAddition = (a,b,scaleForB) -> if a instanceof Quantity and b instanceof Quantity [a_unit, b_unit] = [coalesceToOne(a.unit), coalesceToOne(b.unit)] # The units don't have to match (m and m^2), but must be convertable # we will choose the unit of a to be the unit we return val = convert_value(b.value * scaleForB, b_unit, a_unit) return null unless val? new Quantity({unit: a_unit, value: a.value + val}) else if a.copy and a.add b_unit = if b instanceof Quantity then coalesceToOne(b.unit) else b.unit a.copy().add(b.value * scaleForB, clean_unit(b_unit)) else throw new Error("Unsupported argument types.")   module.exports.doAddition = (a,b) -> doScaledAddition(a,b,1)   module.exports.doSubtraction = (a,b) -> doScaledAddition(a,b,-1)   module.exports.doDivision = (a,b) -> if a instanceof Quantity a.dividedBy(b)   module.exports.doMultiplication = (a,b) -> if a instanceof Quantity then a.multiplyBy(b) else b.multiplyBy(a)   coalesceToOne = (o) -> if !o? or (o.trim? and !o.trim()) then '1' else o   module.exports.compare_units = (unit_a, unit_b) -> try c = ucum.convert(1,ucum_unit(unit_a),ucum_unit(unit_b)) return 1 if c > 1 # unit_a is bigger (less precise) return -1 if c < 1 # unit_a is smaller return 0 #units are the same catch e return null  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Wed Jun 19 2019 15:12:44 GMT-0700 (PDT) </div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../sorter.js"></script> <script src="../../block-navigation.js"></script> </body> </html>