LMInstantiator // Simplifying result-generation process.
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ShikiSuen
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@ -45,13 +45,12 @@ extension vChewing {
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/// 1) Get the original unigrams.
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/// 2) Drop the unigrams whose value is contained in the exclusion map.
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/// 3) Replace the values of the unigrams using the phrase replacement map.
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/// 4) Replace the values of the unigrams using an external converter lambda.
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/// 5) Drop the duplicated phrases.
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/// 4) Drop the duplicated phrases from the generated unigram array.
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///
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/// The controller can ask the model to load the primary input method language
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/// model while launching and to load the user phrases anytime if the custom
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/// files are modified. It does not keep the reference of the data pathes but
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/// you have to pass the paths when you ask it to do loading.
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/// you have to pass the paths when you ask it to load.
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public class LMInstantiator: Megrez.LanguageModel {
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// 在函數內部用以記錄狀態的開關。
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public var isPhraseReplacementEnabled = false
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@ -63,13 +62,13 @@ extension vChewing {
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/// 不 Reverse 的話，第一欄是漢字，第二欄是對應的注音，第三欄是可能的權重。
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let lmCore = LMCore(reverse: false, consolidate: false, defaultScore: -9.5, forceDefaultScore: false)
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let lmMisc = LMCore(reverse: true, consolidate: false, defaultScore: -1, forceDefaultScore: false)
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let lmSymbols = LMLite(defaultScore: -13.0, consolidate: true)
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let lmCNS = LMLite(defaultScore: -11.0, consolidate: true)
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let lmSymbols = LMLite(consolidate: true)
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let lmCNS = LMLite(consolidate: true)
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// 聲明使用者語言模組
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let lmUserPhrases = LMLite(defaultScore: 0.0, consolidate: true)
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let lmFiltered = LMLite(defaultScore: 0.0, consolidate: true)
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let lmUserSymbols = LMLite(defaultScore: -12.0, consolidate: true)
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let lmUserPhrases = LMLite(consolidate: true)
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let lmFiltered = LMLite(consolidate: true)
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let lmUserSymbols = LMLite(consolidate: true)
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let lmReplacements = LMReplacments()
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let lmAssociates = LMAssociates()
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@ -173,87 +172,47 @@ extension vChewing {
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return [spaceUnigram]
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}
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/// 準備不同的語言模組容器。
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var coreUnigrams: [Megrez.Unigram] = []
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var miscUnigrams: [Megrez.Unigram] = []
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var symbolUnigrams: [Megrez.Unigram] = []
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var userUnigrams: [Megrez.Unigram] = []
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var userSymbolUnigrams: [Megrez.Unigram] = []
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var cnsUnigrams: [Megrez.Unigram] = []
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/// 準備不同的語言模組容器，開始逐漸往容器陣列內塞入資料。
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var rawAllUnigrams: [Megrez.Unigram] = []
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var insertedPairs: Set<Megrez.KeyValuePair> = [] // 具體用途有待商榷
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var filteredPairs: Set<Megrez.KeyValuePair> = []
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// 開始逐漸往容器陣列內塞入資料
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let filteredUnigrams: [Megrez.Unigram] =
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lmFiltered.hasUnigramsFor(key: key) ? lmFiltered.unigramsFor(key: key) : []
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for unigram in filteredUnigrams {
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filteredPairs.insert(unigram.keyValue)
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}
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if lmUserPhrases.hasUnigramsFor(key: key) {
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var rawUserUnigrams: [Megrez.Unigram] = []
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// 用 reversed 指令讓使用者語彙檔案內的詞條優先順序隨著行數增加而逐漸增高。
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// 這樣一來就可以在就地新增語彙時徹底複寫優先權。
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// 將兩句差分也是為了讓 rawUserUnigrams 的類型不受可能的影響。
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rawUserUnigrams.append(contentsOf: lmUserPhrases.unigramsFor(key: key).reversed())
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userUnigrams = filterAndTransform(
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unigrams: rawUserUnigrams, filter: filteredPairs, inserted: &insertedPairs
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)
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}
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rawAllUnigrams += lmUserPhrases.unigramsFor(key: key, score: 0.0).reversed()
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if lmUserPhrases.hasUnigramsFor(key: key) {
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let rawUserUnigrams: [Megrez.Unigram] = lmUserPhrases.unigramsFor(key: key)
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userUnigrams = filterAndTransform(
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unigrams: rawUserUnigrams, filter: filteredPairs, inserted: &insertedPairs
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)
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}
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// LMMisc 與 LMCore 的 score 在 (-10.0, 0.0) 這個區間內。
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rawAllUnigrams += lmMisc.unigramsFor(key: key)
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rawAllUnigrams += lmCore.unigramsFor(key: key)
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if lmMisc.hasUnigramsFor(key: key) {
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let rawMiscUnigrams: [Megrez.Unigram] = lmMisc.unigramsFor(key: key)
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miscUnigrams = filterAndTransform(
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unigrams: rawMiscUnigrams, filter: filteredPairs, inserted: &insertedPairs
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)
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}
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if lmCore.hasUnigramsFor(key: key) {
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let rawCoreUnigrams: [Megrez.Unigram] = lmCore.unigramsFor(key: key)
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coreUnigrams = filterAndTransform(
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unigrams: rawCoreUnigrams, filter: filteredPairs, inserted: &insertedPairs
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)
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if isCNSEnabled {
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rawAllUnigrams += lmCNS.unigramsFor(key: key, score: -11)
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}
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if isSymbolEnabled {
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if lmUserSymbols.hasUnigramsFor(key: key) {
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let rawUserSymbolUnigrams: [Megrez.Unigram] = lmUserSymbols.unigramsFor(key: key)
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userSymbolUnigrams = filterAndTransform(
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unigrams: rawUserSymbolUnigrams, filter: filteredPairs, inserted: &insertedPairs
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)
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} else {
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rawAllUnigrams += lmUserSymbols.unigramsFor(key: key, score: -12.0)
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if lmUserSymbols.unigramsFor(key: key).isEmpty {
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IME.prtDebugIntel("Not found in UserSymbolUnigram: \(key)")
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}
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if lmSymbols.hasUnigramsFor(key: key) {
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let rawSymbolUnigrams: [Megrez.Unigram] = lmSymbols.unigramsFor(key: key)
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symbolUnigrams = filterAndTransform(
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unigrams: rawSymbolUnigrams, filter: filteredPairs, inserted: &insertedPairs
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)
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} else {
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rawAllUnigrams += lmSymbols.unigramsFor(key: key, score: -11.0)
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if lmSymbols.unigramsFor(key: key).isEmpty {
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IME.prtDebugIntel("Not found in UserUnigram: \(key)")
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}
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}
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if lmCNS.hasUnigramsFor(key: key), isCNSEnabled {
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let rawCNSUnigrams: [Megrez.Unigram] = lmCNS.unigramsFor(key: key)
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cnsUnigrams = filterAndTransform(
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unigrams: rawCNSUnigrams, filter: filteredPairs, inserted: &insertedPairs
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)
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// 準備過濾清單與統計清單
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var insertedPairs: Set<Megrez.KeyValuePair> = [] // 統計清單
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var filteredPairs: Set<Megrez.KeyValuePair> = [] // 過濾清單
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// 載入要過濾的 KeyValuePair 清單。
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for unigram in lmFiltered.unigramsFor(key: key) {
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filteredPairs.insert(unigram.keyValue)
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}
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let allUnigrams: [Megrez.Unigram] =
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userUnigrams + miscUnigrams + coreUnigrams + cnsUnigrams + userSymbolUnigrams + symbolUnigrams
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return allUnigrams
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return filterAndTransform(
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unigrams: rawAllUnigrams,
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filter: filteredPairs, inserted: &insertedPairs
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)
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}
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/// If the model has unigrams for the given key.
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@ -286,16 +245,15 @@ extension vChewing {
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var results: [Megrez.Unigram] = []
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for unigram in unigrams {
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let pairToDealWith: Megrez.KeyValuePair = unigram.keyValue
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if filteredPairs.contains(pairToDealWith) {
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var pair: Megrez.KeyValuePair = unigram.keyValue
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if filteredPairs.contains(pair) {
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continue
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}
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var pair: Megrez.KeyValuePair = pairToDealWith
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if isPhraseReplacementEnabled {
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let replacement = lmReplacements.valuesFor(key: pair.key)
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if !replacement.isEmpty {
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IME.prtDebugIntel(replacement)
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let replacement = lmReplacements.valuesFor(key: pair.value)
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if !replacement.isEmpty, pair.value.count == replacement.count {
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IME.prtDebugIntel("\(pair.value) -> \(replacement)")
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pair.value = replacement
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}
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}
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