summaryrefslogtreecommitdiffstats
path: root/kttsd/libkttsd/talkercode.cpp
blob: 5ae1afa594a9d181b5dc4359f01bd33995ae7237 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
/***************************************************** vim:set ts=4 sw=4 sts=4:
  Convenience object for manipulating Talker Codes.
  For an explanation of what a Talker Code is, see kspeech.h. 
  -------------------
  Copyright:
  (C) 2005 by Gary Cramblitt <garycramblitt@comcast.net>
  -------------------
  Original author: Gary Cramblitt <garycramblitt@comcast.net>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 ******************************************************************************/

// KDE includes.
#include <kglobal.h>
#include <klocale.h>
#include <ktrader.h>
#include <kdebug.h>

// TalkerCode includes.
#include "talkercode.h"

/**
 * Constructor.
 */
TalkerCode::TalkerCode(const TQString &code/*=TQString()*/, bool normal /*=false*/)
{
    if (!code.isEmpty())
        parseTalkerCode(code);
    if (normal) normalize();
}

/**
 * Copy Constructor.
 */
TalkerCode::TalkerCode(TalkerCode* talker, bool normal /*=false*/)
{
    m_languageCode = talker->languageCode();
    m_countryCode = talker->countryCode();
    m_voice = talker->voice();
    m_gender = talker->gender();
    m_volume = talker->volume();
    m_rate = talker->rate();
    m_plugInName = talker->plugInName();
    if (normal) normalize();
}

/**
 * Destructor.
 */
TalkerCode::~TalkerCode() { }

/**
 * Properties.
 */
TQString TalkerCode::languageCode() const { return m_languageCode; }
TQString TalkerCode::countryCode() const { return m_countryCode; }
TQString TalkerCode::voice() const { return m_voice; }
TQString TalkerCode::gender() const { return m_gender; }
TQString TalkerCode::volume() const { return m_volume; }
TQString TalkerCode::rate() const { return m_rate; }
TQString TalkerCode::plugInName() const { return m_plugInName; }

void TalkerCode::setLanguageCode(const TQString &languageCode) { m_languageCode = languageCode; }
void TalkerCode::setCountryCode(const TQString &countryCode) { m_countryCode = countryCode; }
void TalkerCode::setVoice(const TQString &voice) { m_voice = voice; }
void TalkerCode::setGender(const TQString &gender) { m_gender = gender; }
void TalkerCode::setVolume(const TQString &volume) { m_volume = volume; }
void TalkerCode::setRate(const TQString &rate) { m_rate = rate; }
void TalkerCode::setPlugInName(const TQString plugInName) { m_plugInName = plugInName; }

/**
 * Sets the language code and country code (if given).
 */
void TalkerCode::setFullLanguageCode(const TQString &fullLanguageCode)
{
    splitFullLanguageCode(fullLanguageCode, m_languageCode, m_countryCode);
}

/**
 * Returns the language code plus country code (if any).
 */
TQString TalkerCode::fullLanguageCode() const
{
    if (!m_countryCode.isEmpty())
        return m_languageCode + "_" + m_countryCode;
    else
        return m_languageCode;
}

/**
 * The Talker Code returned in XML format.
 */
TQString TalkerCode::getTalkerCode() const
{
    TQString code;
    TQString languageCode = m_languageCode;
    if (!m_countryCode.isEmpty()) languageCode += "_" + m_countryCode;
    if (!languageCode.isEmpty()) code = "lang=\"" + languageCode + "\" ";
    if (!m_voice.isEmpty()) code += "name=\"" + m_voice + "\" ";
    if (!m_gender.isEmpty()) code += "gender=\"" + m_gender + "\" ";
    if (!code.isEmpty()) code = "<voice " + code + "/>";
    TQString prosody;
    if (!m_volume.isEmpty()) prosody = "volume=\"" + m_volume + "\" ";
    if (!m_rate.isEmpty()) prosody += "rate=\"" + m_rate + "\" ";
    if (!prosody.isEmpty()) code += "<prosody " + prosody + "/>";
    if (!m_plugInName.isEmpty()) code += "<kttsd synthesizer=\"" + m_plugInName + "\" />";
    return code;
}

/**
 * The Talker Code translated for display.
 */
TQString TalkerCode::getTranslatedDescription() const
{
    TQString code;
    bool prefer;
    TQString fullLangCode = fullLanguageCode();
    if (!fullLangCode.isEmpty()) code = languageCodeToLanguage( fullLangCode );
    // TODO: The PlugInName is always English.  Need a way to convert this to a translated
    // name (possibly via DesktopEntryNameToName, but to do that, we need the desktopEntryName
    // from the config file).
    if (!m_plugInName.isEmpty()) code += " " + stripPrefer(m_plugInName, prefer);
    if (!m_voice.isEmpty()) code += " " + stripPrefer(m_voice, prefer);
    if (!m_gender.isEmpty()) code += " " + translatedGender(stripPrefer(m_gender, prefer));
    if (!m_volume.isEmpty()) code += " " + translatedVolume(stripPrefer(m_volume, prefer));
    if (!m_rate.isEmpty()) code += " " + translatedRate(stripPrefer(m_rate, prefer));
    code = code.stripWhiteSpace();
    if (code.isEmpty()) code = i18n("default");
    return code;
}

/**
 * Normalizes the Talker Code by filling in defaults.
 */
void TalkerCode::normalize()
{
    if (m_voice.isEmpty()) m_voice = "fixed";
    if (m_gender.isEmpty()) m_gender = "neutral";
    if (m_volume.isEmpty()) m_volume = "medium";
    if (m_rate.isEmpty()) m_rate = "medium";
}

/**
 * Given a talker code, normalizes it into a standard form and also returns
 * the language code.
 * @param talkerCode            Unnormalized talker code.
 * @return fullLanguageCode     Language code from the talker code (including country code if any).
 * @return                      Normalized talker code.
 */
/*static*/ TQString TalkerCode::normalizeTalkerCode(const TQString &talkerCode, TQString &fullLanguageCode)
{
    TalkerCode tmpTalkerCode(talkerCode);
    tmpTalkerCode.normalize();
    fullLanguageCode = tmpTalkerCode.fullLanguageCode();
    return tmpTalkerCode.getTalkerCode();
}

/**
 * Given a language code that might contain a country code, splits the code into
 * the two letter language code and country code.
 * @param fullLanguageCode     Language code to be split.
 * @return languageCode        Just the language part of the code.
 * @return countryCode         The country code part (if any).
 *
 * If the input code begins with an asterisk, it is ignored and removed from the returned
 * languageCode.
 */
/*static*/ void TalkerCode::splitFullLanguageCode(const TQString &lang, TQString &languageCode, TQString &countryCode)
{
    TQString language = lang;
    if (language.left(1) == "*") language = language.mid(1);
    TQString charSet;
    TDEGlobal::locale()->splitLocale(language, languageCode, countryCode, charSet);
}

/**
 * Given a full language code and plugin name, returns a normalized default talker code.
 * @param fullLanguageCode      Language code.
 * @param plugInName            Name of the Synthesizer plugin.
 * @return                      Full normalized talker code.
 *
 * Example returned from defaultTalkerCode("en", "Festival")
 *   <voice lang="en" name="fixed" gender="neutral"/>
 *   <prosody volume="medium" rate="medium"/>
 *   <kttsd synthesizer="Festival" />
 */
/*static*/ TQString TalkerCode::defaultTalkerCode(const TQString &fullLanguageCode, const TQString &plugInName)
{
    TalkerCode tmpTalkerCode;
    tmpTalkerCode.setFullLanguageCode(fullLanguageCode);
    tmpTalkerCode.setPlugInName(plugInName);
    tmpTalkerCode.normalize();
    return tmpTalkerCode.getTalkerCode();
}

/**
 * Converts a language code plus optional country code to language description.
 */
/*static*/ TQString TalkerCode::languageCodeToLanguage(const TQString &languageCode)
{
    TQString twoAlpha;
    TQString countryCode;
    TQString language;
    if (languageCode == "other")
        language = i18n("Other");
    else
    {
        splitFullLanguageCode(languageCode, twoAlpha, countryCode);
        language = TDEGlobal::locale()->twoAlphaToLanguageName(twoAlpha);
    }
    if (!countryCode.isEmpty())
    {
        TQString countryName = TDEGlobal::locale()->twoAlphaToCountryName(countryCode);
        // Some abbreviations to save screen space.
        if (countryName == i18n("full country name", "United States of America"))
            countryName = i18n("abbreviated country name", "USA");
        if (countryName == i18n("full country name", "United Kingdom"))
            countryName = i18n("abbreviated country name", "UK");
        language += " (" + countryName + ")";
    }
    return language;
}

/**
 * These functions return translated Talker Code attributes.
 */
/*static*/ TQString TalkerCode::translatedGender(const TQString &gender)
{
    if (gender == "male")
        return i18n("male");
    else if (gender == "female")
        return i18n("female");
    else if (gender == "neutral")
        return i18n("neutral gender", "neutral");
    else return gender;
}
/*static*/ TQString TalkerCode::untranslatedGender(const TQString &gender)
{
    if (gender == i18n("male"))
        return "male";
    else if (gender == i18n("female"))
        return "female";
    else if (gender == i18n("neutral gender", "neutral"))
        return "neutral";
    else return gender;
}
/*static*/ TQString TalkerCode::translatedVolume(const TQString &volume)
{
    if (volume == "medium")
        return i18n("medium sound", "medium");
    else if (volume == "loud")
        return i18n("loud sound", "loud");
    else if (volume == "soft")
        return i18n("soft sound", "soft");
    else return volume;
}
/*static*/ TQString TalkerCode::untranslatedVolume(const TQString &volume)
{
    if (volume == i18n("medium sound", "medium"))
        return "medium";
    else if (volume == i18n("loud sound", "loud"))
        return "loud";
    else if (volume == i18n("soft sound", "soft"))
        return "soft";
    else return volume;
}
/*static*/ TQString TalkerCode::translatedRate(const TQString &rate)
{
    if (rate == "medium")
        return i18n("medium speed", "medium");
    else if (rate == "fast")
        return i18n("fast speed", "fast");
    else if (rate == "slow")
        return i18n("slow speed", "slow");
    else return rate;
}
/*static*/ TQString TalkerCode::untranslatedRate(const TQString &rate)
{
    if (rate == i18n("medium speed", "medium"))
        return "medium";
    else if (rate == i18n("fast speed", "fast"))
        return "fast";
    else if (rate == i18n("slow speed", "slow"))
        return "slow";
    else return rate;
}

/**
 * Given a talker code, parses out the attributes.
 * @param talkerCode       The talker code.
 */
void TalkerCode::parseTalkerCode(const TQString &talkerCode)
{
    TQString fullLanguageCode;
    if (talkerCode.contains("\""))
    {
        fullLanguageCode = talkerCode.section("lang=", 1, 1);
        fullLanguageCode = fullLanguageCode.section('"', 1, 1);
    }
    else
        fullLanguageCode = talkerCode;
    TQString languageCode;
    TQString countryCode;
    splitFullLanguageCode(fullLanguageCode, languageCode, countryCode);
    m_languageCode = languageCode;
    if (fullLanguageCode.left(1) == "*") countryCode = "*" + countryCode;
    m_countryCode = countryCode;
    m_voice = talkerCode.section("name=", 1, 1);
    m_voice = m_voice.section('"', 1, 1);
    m_gender = talkerCode.section("gender=", 1, 1);
    m_gender = m_gender.section('"', 1, 1);
    m_volume = talkerCode.section("volume=", 1, 1);
    m_volume = m_volume.section('"', 1, 1);
    m_rate = talkerCode.section("rate=", 1, 1);
    m_rate = m_rate.section('"', 1, 1);
    m_plugInName = talkerCode.section("synthesizer=", 1, 1);
    m_plugInName = m_plugInName.section('"', 1, 1);
}

/**
 * Given a list of parsed talker codes and a desired talker code, finds the closest
 * matching talker in the list.
 * @param talkers                       The list of parsed talker codes.
 * @param talker                        The desired talker code.
 * @param assumeDefaultLang             If true, and desired talker code lacks a language code,
 *                                      the default language is assumed.
 * @return                              Index into talkers of the closest matching talker.
 */
/*static*/ int TalkerCode::findClosestMatchingTalker(
    const TalkerCodeList& talkers,
    const TQString& talker,
    bool assumeDefaultLang)
{
    // kdDebug() << "TalkerCode::findClosestMatchingTalker: matching on talker code " << talker << endl;
    // If nothing to match on, winner is top in the list.
    if (talker.isEmpty()) return 0;
    // Parse the given talker.
    TalkerCode parsedTalkerCode(talker);
    // If no language code specified, use the language code of the default talker.
    if (assumeDefaultLang)
    {
        if (parsedTalkerCode.languageCode().isEmpty()) parsedTalkerCode.setLanguageCode(
            talkers[0].languageCode());
    }
    // The talker that matches on the most priority attributes wins.
    int talkersCount = int(talkers.count());
    TQMemArray<int> priorityMatch(talkersCount);
    for (int ndx = 0; ndx < talkersCount; ++ndx)
    {
        priorityMatch[ndx] = 0;
        // kdDebug() << "Comparing language code " << parsedTalkerCode.languageCode() << " to " << m_loadedPlugIns[ndx].parsedTalkerCode.languageCode() << endl;
        if (parsedTalkerCode.languageCode() == talkers[ndx].languageCode())
        {
            ++priorityMatch[ndx];
            // kdDebug() << "TalkerCode::findClosestMatchingTalker: Match on language " << parsedTalkerCode.languageCode() << endl;
        }
        if (parsedTalkerCode.countryCode().left(1) == "*")
            if (parsedTalkerCode.countryCode().mid(1) ==
                talkers[ndx].countryCode())
                ++priorityMatch[ndx];
        if (parsedTalkerCode.voice().left(1) == "*")
            if (parsedTalkerCode.voice().mid(1) == talkers[ndx].voice())
                ++priorityMatch[ndx];
        if (parsedTalkerCode.gender().left(1) == "*")
            if (parsedTalkerCode.gender().mid(1) == talkers[ndx].gender())
                ++priorityMatch[ndx];
        if (parsedTalkerCode.volume().left(1) == "*")
            if (parsedTalkerCode.volume().mid(1) == talkers[ndx].volume())
                ++priorityMatch[ndx];
        if (parsedTalkerCode.rate().left(1) == "*")
            if (parsedTalkerCode.rate().mid(1) == talkers[ndx].rate())
                ++priorityMatch[ndx];
        if (parsedTalkerCode.plugInName().left(1) == "*")
            if (parsedTalkerCode.plugInName().mid(1) ==
                talkers[ndx].plugInName())
                ++priorityMatch[ndx];
    }
    // Determine the maximum number of priority attributes that were matched.
    int maxPriority = -1;
    for (int ndx = 0; ndx < talkersCount; ++ndx)
    {
        if (priorityMatch[ndx] > maxPriority) maxPriority = priorityMatch[ndx];
    }
    // Find the talker(s) that matched on most priority attributes.
    int winnerCount = 0;
    int winner = -1;
    for (int ndx = 0; ndx < talkersCount; ++ndx)
    {
        if (priorityMatch[ndx] == maxPriority)
        {
            ++winnerCount;
            winner = ndx;
        }
    }
    // kdDebug() << "Priority phase: winnerCount = " << winnerCount 
    //     << " winner = " << winner
    //     << " maxPriority = " << maxPriority << endl;
    // If a tie, the one that matches on the most priority and preferred attributes wins.
    // If there is still a tie, the one nearest the top of the kttsmgr display
    // (first configured) will be chosen.
    if (winnerCount > 1)
    {
        TQMemArray<int> preferredMatch(talkersCount);
        for (int ndx = 0; ndx < talkersCount; ++ndx)
        {
            preferredMatch[ndx] = 0;
            if (priorityMatch[ndx] == maxPriority)
            {
                if (parsedTalkerCode.countryCode().left(1) != "*")
                    if (!talkers[ndx].countryCode().isEmpty())
                        if (parsedTalkerCode.countryCode() == talkers[ndx].countryCode())
                            ++preferredMatch[ndx];
                if (parsedTalkerCode.voice().left(1) != "*")
                    if (parsedTalkerCode.voice() == talkers[ndx].voice())
                        ++preferredMatch[ndx];
                if (parsedTalkerCode.gender().left(1) != "*")
                    if (parsedTalkerCode.gender() == talkers[ndx].gender())
                        ++preferredMatch[ndx];
                if (parsedTalkerCode.volume().left(1) != "*")
                    if (parsedTalkerCode.volume() == talkers[ndx].volume())
                        ++preferredMatch[ndx];
                if (parsedTalkerCode.rate().left(1) != "*")
                    if (parsedTalkerCode.rate() == talkers[ndx].rate())
                        ++preferredMatch[ndx];
                if (parsedTalkerCode.plugInName().left(1) != "*")
                    if (parsedTalkerCode.plugInName() ==
                        talkers[ndx].plugInName())
                        ++preferredMatch[ndx];
            }
        }
        // Determine the maximum number of preferred attributes that were matched.
        int maxPreferred = -1;
        for (int ndx = 0; ndx < talkersCount; ++ndx)
        {
            if (preferredMatch[ndx] > maxPreferred) maxPreferred = preferredMatch[ndx];
        }
        winner = -1;
        winnerCount = 0;
        // Find the talker that matched on most priority and preferred attributes.
        // Work bottom to top so topmost wins in a tie.
        for (int ndx = talkersCount-1; ndx >= 0; --ndx)
        {
            if (priorityMatch[ndx] == maxPriority)
            {
                if (preferredMatch[ndx] == maxPreferred)
                {
                    ++winnerCount;
                    winner = ndx;
                }
            }
        }
        // kdDebug() << "Preferred phase: winnerCount = " << winnerCount 
        //     << " winner = " << winner
        //     << " maxPreferred = " << maxPreferred << endl;
    }
    // If no winner found, use the first talker.
    if (winner < 0) winner = 0;
    // kdDebug() << "TalkerCode::findClosestMatchingTalker: returning winner = " << winner << endl;
    return winner;
}

/*static*/ TQString TalkerCode::stripPrefer( const TQString& code, bool& preferred)
{
    if ( code.left(1) == "*" )
    {
        preferred = true;
        return code.mid(1);
    } else {
        preferred = false;
        return code;
    }
}

/**
* Uses TDETrader to convert a translated Synth Plugin Name to DesktopEntryName.
* @param name                   The translated plugin name.  From Name= line in .desktop file.
* @return                       DesktopEntryName.  The name of the .desktop file (less .desktop).
*                               TQString() if not found.
*/
/*static*/ TQString TalkerCode::TalkerNameToDesktopEntryName(const TQString& name)
{
    if (name.isEmpty()) return TQString();
    TDETrader::OfferList offers = TDETrader::self()->query("KTTSD/SynthPlugin");
    for (uint ndx = 0; ndx < offers.count(); ++ndx)
        if (offers[ndx]->name() == name) return offers[ndx]->desktopEntryName();
    return TQString();
}

/**
* Uses TDETrader to convert a DesktopEntryName into a translated Synth Plugin Name.
* @param desktopEntryName       The DesktopEntryName.
* @return                       The translated Name of the plugin, from Name= line in .desktop file.
*/
/*static*/ TQString TalkerCode::TalkerDesktopEntryNameToName(const TQString& desktopEntryName)
{
    if (desktopEntryName.isEmpty()) return TQString();
    TDETrader::OfferList offers = TDETrader::self()->query("KTTSD/SynthPlugin",
    TQString("DesktopEntryName == '%1'").arg(desktopEntryName));

    if (offers.count() == 1)
        return offers[0]->name();
    else
        return TQString();
}