gener-communes/web/gener-communes.js

419 lines
14 KiB
JavaScript

// Gener-Communes Web
// Browser-based gerenator for gener-communes outputs
// Main object
var genercommunes = {}
// Discrete distribution
// The distribution object defines a discrete distribution
genercommunes.Distribution = function () {
this.total = 0 // Total number of elements in the distribution
this.items = new Map() // Map of item -> number of elements
}
// Add 'occur' number of 'elem' elements into the distribution
genercommunes.Distribution.prototype.addTo = function (elem, occur) {
this.total += occur
if (this.items.has(elem)) {
this.items.set(elem, occur + this.items.get(elem))
} else {
this.items.set(elem, occur)
}
}
// Pick a random element from the distribution
genercommunes.Distribution.prototype.generate = function () {
var idx = Math.floor(Math.random() * this.total)
var acc = 0
var pick = undefined
for (var [elem, occur] of this.items)
{
acc += occur
pick = elem
if (acc > idx) {
break
}
}
return pick
}
// Merge from another distribution
genercommunes.Distribution.prototype.addFromDistribution = function (dist) {
for (var [item, count] of dist.items) {
this.addTo(item, count)
}
}
// Parse a distribution from the serialized model
genercommunes.Distribution.parse = function (dist) {
var ret = new genercommunes.Distribution()
for (var elem of dist) {
ret.addTo(elem.value, elem.count)
}
return ret
}
// Chain generator
// This generator makes an array of elements from a table of current chain -> next element
genercommunes.ChainGenerator = function (order) {
this.order = order
this.nextItems = new Map()
}
// Populate the table of next elements of a given sequence from a description
genercommunes.ChainGenerator.prototype.addSequence = function (sequence, distribution) {
this.nextItems.set(sequence.toString(), distribution) // note: toString() when setting and getting to be able to compare the arrays
}
// Generate an array of elements
genercommunes.ChainGenerator.prototype.generate = function () {
var next = function (cg, current, output) {
var nextElem = cg.nextItems.get(current.toString()).generate()
if (nextElem === false) {
return output
} else {
current.shift()
current.push(nextElem)
output.push(nextElem)
return next(cg, current, output)
}
}
var current = new Array()
for (var i = 0; i < this.order; ++i) {
current.push(false)
}
return next(this, current, new Array())
}
// Merge from a Chain Generator
genercommunes.ChainGenerator.prototype.addFromChainGenerator = function (chainGen) {
if (this.order === chainGen.order) {
for (var [seq, dist] of chainGen.nextItems) {
if (this.nextItems.has(seq)) {
this.nextItems.get(seq).addFromDistribution(dist)
} else {
var newDist = new genercommunes.Distribution()
newDist.addFromDistribution(dist)
this.nextItems.set(seq, newDist)
}
}
} else {
throw "Cannot merge ChainGenerator with different orders."
}
}
// Parse a Chain generator from the serialized model
genercommunes.ChainGenerator.parse = function (gen) {
var ret = new genercommunes.ChainGenerator(gen.order)
for (var next of gen.next) {
ret.addSequence(next.sequence, genercommunes.Distribution.parse(next.distribution))
}
return ret
}
// Departement
genercommunes.Departement = function (id, name, localityOrder, areaOrder, riverOrder) {
this.id = id
this.name = name
// Distributions
this.patterns = new genercommunes.Distribution()
this.wordMasculine = new genercommunes.Distribution()
this.wordFeminine = new genercommunes.Distribution()
this.wordPlural = new genercommunes.Distribution()
this.wordMasculinePlural = new genercommunes.Distribution()
this.wordFemininePlural = new genercommunes.Distribution()
this.personNameMasculine = new genercommunes.Distribution()
this.personNameFeminine = new genercommunes.Distribution()
// Chain generators
this.localityName = new genercommunes.ChainGenerator(localityOrder)
this.areaName = new genercommunes.ChainGenerator(areaOrder)
this.riverName = new genercommunes.ChainGenerator(riverOrder)
}
// Build from a serialized model
genercommunes.Departement.parse = function (dep) {
var ret = new genercommunes.Departement(dep.id, dep.name, 1, 1, 1)
// Distributions
ret.patterns = genercommunes.Distribution.parse(dep['patterns'])
ret.wordMasculine = genercommunes.Distribution.parse(dep['word-masculine'])
ret.wordFeminine = genercommunes.Distribution.parse(dep['word-feminine'])
ret.wordPlural = genercommunes.Distribution.parse(dep['word-plural'])
ret.wordMasculinePlural = genercommunes.Distribution.parse(dep['word-masculine-plural'])
ret.wordFemininePlural = genercommunes.Distribution.parse(dep['word-feminine-plural'])
ret.personNameMasculine = genercommunes.Distribution.parse(dep['person-name-masculine'])
ret.personNameFeminine = genercommunes.Distribution.parse(dep['person-name-feminine'])
// Chain generators
ret.localityName = genercommunes.ChainGenerator.parse(dep['locality-name'])
ret.areaName = genercommunes.ChainGenerator.parse(dep['area-name'])
ret.riverName = genercommunes.ChainGenerator.parse(dep['river-name'])
return ret
}
// Merge from a departement
genercommunes.Departement.prototype.addFromDepartement = function (dep) {
this.patterns.addFromDistribution(dep.patterns)
this.wordMasculine.addFromDistribution(dep.wordMasculine)
this.wordFeminine.addFromDistribution(dep.wordFeminine)
this.wordPlural.addFromDistribution(dep.wordPlural)
this.wordMasculinePlural.addFromDistribution(dep.wordMasculinePlural)
this.wordFemininePlural.addFromDistribution(dep.wordFemininePlural)
this.personNameMasculine.addFromDistribution(dep.personNameMasculine)
this.personNameFeminine.addFromDistribution(dep.personNameFeminine)
this.localityName.addFromChainGenerator(dep.localityName)
this.areaName.addFromChainGenerator(dep.areaName)
this.riverName.addFromChainGenerator(dep.riverName)
}
// Create from a map of departements
genercommunes.Departement.fromMap = function (id, name, mapDepartements) {
// Get the order of chain generators from the first departement of the map
var departements = mapDepartements.values()
var firstDep = departements.next().value
// Build departement
var ret = new genercommunes.Departement(id, name, firstDep.localityName.order, firstDep.areaName.order, firstDep.riverName.order)
// fill the distributions
for (var [depid, dep] of mapDepartements) {
ret.addFromDepartement(dep)
}
// Return
return ret
}
// Format a generated word from a chain generator into a string
genercommunes.formatWord = function (listChar) {
var text = ''
for (var char of listChar) {
text += char
}
return text
}
// Replace the patterns
// returns the input with all the pattern strings replaced by generated values
// Recursive on arrays
genercommunes.Departement.prototype.replacePatterns = function (pat) {
if (Array.isArray(pat)) {
return pat.map(x => this.replacePatterns(x))
} else {
switch (pat) {
case '$WordMasculine$':
return this.wordMasculine.generate()
case '$WordFeminine$':
return this.wordFeminine.generate()
case '$WordPlural$':
return this.wordPlural.generate()
case '$WordMasculinePlural$':
return this.wordMasculinePlural.generate()
case '$WordFemininePlural$':
return this.wordFemininePlural.generate()
case '$PersonNameMasculine$':
return this.personNameMasculine.generate()
case '$PersonNameFeminine$':
return this.personNameFeminine.generate()
case '$LocalityName$':
return genercommunes.formatWord(this.localityName.generate())
case '$AreaName$':
return genercommunes.formatWord(this.areaName.generate())
case '$RiverName$':
return genercommunes.formatWord(this.riverName.generate())
default:
return pat
}
}
}
// Check if a string starts with a vowel
genercommunes.isStartingWithVowel = function (str) {
var nfd = str.normalize('NFD'); // Normalize to remove the accents on the first character
return ['A', 'E', 'H', 'I', 'O', 'U', 'Y'].includes(nfd.charAt(0)) // Note: the generated words start with an uppercase.
}
// Transform an array tree of the patterns to a string
genercommunes.Departement.prototype.treeToString = function (tree) {
if (Array.isArray(tree)) {
switch (tree[0]) {
case 'el':
case 'sans':
case 'la':
case 'les':
case 'las':
case 'los':
case 'Saint':
case 'San':
case 'Sainte':
case 'Santa':
return tree[0] + '-' + this.treeToString(tree[1])
case 'le':
// elision possible
var follow = this.treeToString(tree[1])
if (genercommunes.isStartingWithVowel(follow)) {
return "l'" + follow
} else {
return 'le-' + follow
}
case 'Santo':
// elision possible
var follow = this.treeToString(tree[1])
if (genercommunes.isStartingWithVowel(follow)) {
return "Sant'" + follow
} else {
return 'Santo-' + follow
}
case 'et':
case 'sous':
case 'lès':
case 'lez':
case 'près':
case 'à':
case 'en':
case 'di':
case 'sur':
return this.treeToString(tree[1]) + '-' + tree[0] + '-' + this.treeToString(tree[2])
case 'de':
// elision possible
var follow = this.treeToString(tree[2])
if (genercommunes.isStartingWithVowel(follow)) {
return this.treeToString(tree[1]) + "-d'" + follow
} else {
return this.treeToString(tree[1]) + "-de-" + follow
}
default:
var str = ''
var first = true
for (var elem of tree) {
if (!first) {
str += '-'
}
first = false
str += this.treeToString(elem)
}
return str
}
} else {
return tree
}
}
// Apply elision rules
genercommunes.applyElisions = function (str) {
var ret = str
// in the middle of the string
ret = ret.replace(/-à-les-/gu, '-aux-')
ret = ret.replace(/-de-los-/gu, '-dels-')
ret = ret.replace(/-de-el-/gu, '-del-')
ret = ret.replace(/-de-les-/gu, '-des-')
ret = ret.replace(/-de-le-/gu, '-du-')
ret = ret.replace(/-à-le-/gu, '-au-')
// at the beginning of the string
ret = ret.replace(/^la-/u, 'La ')
ret = ret.replace(/^le-/u, 'Le ')
ret = ret.replace(/^les-/u, 'Les ')
ret = ret.replace(/^l'/u, "L'")
ret = ret.replace(/^los-/u, 'Los ')
//
return ret
}
// Generate a new name
genercommunes.Departement.prototype.generateName = function () {
// Pattern to use
var nameArray = this.replacePatterns(this.patterns.generate())
// Transform the tree to a string
var nameStr = this.treeToString(nameArray)
// Remove elisions & return
return genercommunes.applyElisions(nameStr)
}
// Region
genercommunes.Region = function (id, name) {
this.id = id
this.name = name
this.departements = new Map()
}
// Build from a serialized model
genercommunes.Region.parse = function (region) {
var ret = new genercommunes.Region(region.id, region.name)
for (var departement of region.departements) {
ret.departements.set(departement.id, genercommunes.Departement.parse(departement))
}
// Add a pseudo-departement, for combining at region-level
// Only if there is more than one departement
if (ret.departements.size > 1) {
ret.departements.set('0', genercommunes.Departement.fromMap('0', '(' + region.name + ')', ret.departements))
}
// Sort the map
ret.departements = new Map([...ret.departements].sort())
return ret
}
// Model of the genercommunes generator
genercommunes.model = {}
// Generate a name
genercommunes.generateName = function () {
var selector = document.getElementById('generator-selector')
var generatorId = selector.options[selector.selectedIndex].value
var splitId = generatorId.split(' ')
var regId = splitId[0]
var depId = splitId[1]
var departement = genercommunes.model.regions.get(regId).departements.get(depId)
document.getElementById('commune-name').innerHTML = departement.generateName()
}
// Draw the genercommunes div
genercommunes.drawDiv = function (model) {
var contents = '<div id="genercommunes-output">'
contents += '<label for="generator-selector">Choisissez un département</label><br/>'
contents += '<select id="generator-selector">'
for (var [regId, reg] of model.regions) {
contents += '<optgroup label="' + reg.name + '">'
for (var [depId, dep] of reg.departements) {
contents += '<option value="' + regId + " " + depId + '">' + dep.name + '</option>'
}
contents += '</optgroup>'
}
contents += '</select>'
contents += '<button onClick="genercommunes.generateName()">Générer</button>'
contents += '<br/>'
contents += '<span id="commune-name"> </span><br/></div>'
document.getElementById('gener-communes').innerHTML = contents
}
// Load the model
genercommunes.loadModel = function (model) {
// Parse the raw model
// Regions
genercommunes.model.regions = new Map()
for (var region of model) {
genercommunes.model.regions.set(region.id, genercommunes.Region.parse(region))
}
// Add a pseudo-region with a pseudo-departement combining all regions
var pseudoReg = new genercommunes.Region('0', '(France)')
// To get the orders of the Chain Generator, get the first departement of the first region
var firstReg = genercommunes.model.regions.values().next().value
var firstDep = firstReg.departements.values().next().value
var pseudoDep = new genercommunes.Departement('0', '(France)', firstDep.localityName.order, firstDep.areaName.order, firstDep.riverName.order)
for (var [regid, reg] of genercommunes.model.regions) {
for (var [depid, dep] of reg.departements) {
pseudoDep.addFromDepartement(dep)
}
}
pseudoReg.departements.set(pseudoDep.id, pseudoDep)
//
genercommunes.model.regions.set(pseudoReg.id, pseudoReg)
// Sort the map
genercommunes.model.regions = new Map([...genercommunes.model.regions].sort())
// Draw the genercommunes <div>
genercommunes.drawDiv(genercommunes.model)
// Generate a first name
genercommunes.generateName()
}
// Loading function for Gener-Communes
genercommunes.load = function (jsonFile) {
fetch(jsonFile)
.then(function(response) {
return response.json()
})
.then(genercommunes.loadModel)
}
// Export info
//module.exports = genercommunes