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drpedia-sparser

0.0.6 • Public • Published

Installation

npm install drpedia-sparser

Parsing Example

const sp = require('drpedia-sparser');
const ag = require('agentgirl');
 
 
// Set up FactoryGirl
// In practice, your app is responsible in providing
//   FactoryGirl object to the SParser
var genjian_cook = new ag.AgentGirl({
  xp_sum      : 50,
  mp          : 35,
  professions : ['Cook', 'Fishmonger', 'Spy'],
  strain      : 'Genjian'
})
 
// Create the SParser 
var saint = new sp.SParser(` 
  (and ((xp_sum 100)
        (or ((p (Cook Doctor Priest Teacher))  
             (s "Nation of Accensor"))) 
        ((not (s "The Red Star")))))`)
 
// Test the FactoryGirl against SParser
// It will fail because xp_sum must be >= 100
var out = saint.test(genjian_cook);
sp.display_human_readable_result(out);
console.log(out.result);
 
// Now we fix it
out = saint.test(genjian_cook.modify('xp_sum', 100))
sp.display_human_readable_result(out);
console.log(out.result);

The first test above will yield the following

✗ All of the following:
   ✓ None of the following:
       ✗ Strain: The Red Star
   ✓ Any one of the following:
       ✗ Strain: Nation of Accensor
       ✓ Profession: Cook, Doctor, Priest, Teacher
   ✗ XP >= 100
false

Once we fix it:

✓ All of the following:
   ✓ None of the following:
       ✗ Strain: The Red Star
   ✓ Any one of the following:
       ✗ Strain: Nation of Accensor
       ✓ Profession: Cook, Doctor, Priest, Teacher
   ✓ XP >= 100
true

Alternatively, one could use the preloaded defaults

var oni = sp.load_defaults().oni;
console.log(oni.preset);
 
out = oni.test(genjian_cook);
sp.display_human_readable_result(out);
console.log(out.result);
 
out = oni.test(genjian_cook
                 .set_professions('Guard', 'Priest')
                 .modify('strain', 'The Red Star')
                 .modify('hp', 85)
                 .modify('xp_sum', 121))
sp.display_human_readable_result(out);
console.log(out.result);

Results:

    (and ((xp_sum 100)
          (stat_sum hp_or_mp 50)
          (s "The Red Star")
          (p Priest)
          (p (Guard Officer "Gun Slinger" Primitive Soldier))))
✗ All of the following:
   ✗ Profession: Guard, Officer, Gun Slinger, Primitive, Soldier
   ✗ Profession: Priest
   ✗ Strain: The Red Star
   ✗ HP/MP >= 50
   ✗ XP >= 100
false
✓ All of the following:
   ✓ Profession: Guard, Officer, Gun Slinger, Primitive, Soldier
   ✓ Profession: Priest
   ✓ Strain: The Red Star
   ✓ HP/MP >= 50
   ✓ XP >= 100
true

BNF Grammar

list ::
  true
  false
  and           list                 -> bool
  or            list                 -> bool
  not           bool                 -> bool
  xp_sum        num                  -> bool
  stat_sum      enum                 -> bool
                :: hp
                :: hp_or_mp
                :: mp
  s             lit/list             -> bool
  p             lit/list             -> bool
  k             lit/list             -> bool
  psionic_type  enum           num   -> bool
                ::basic
                ::intermediate
                ::advanced
  lore_type     num                  -> bool

Install

npm i drpedia-sparser

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0

Version

0.0.6

License

MIT

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