/***************************************************************************
 *   Copyright (C) 2006 to 2011 by Jonathan Duddington                     *
 *   email: jonsd@users.sourceforge.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 3 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 see:                           *
 *               <http://www.gnu.org/licenses/>.                           *
 ***************************************************************************/

#include "wx/wx.h"
#include <wx/dirdlg.h>
#include "wx/filename.h"
#include "wx/sound.h"
#include "wx/dir.h"

#include <sys/stat.h>

#include "speak_lib.h"
#include "main.h"
#include "speech.h"
#include "phoneme.h"
#include "synthesize.h"
#include "voice.h"
#include "spect.h"
#include "translate.h"
#include "options.h"

extern char word_phonemes[N_WORD_PHONEMES];    // a word translated into phoneme codes
extern int __cdecl string_sorter(char **a, char **b);

//******************************************************************************************************


FILE *f_wavtest = NULL;
FILE *f_events = NULL;

FILE *OpenWaveFile3(const char *path)
/***********************************/
{
	int *p;
	FILE *f;

	static unsigned char wave_hdr[44] = {
		'R','I','F','F',0,0,0,0,'W','A','V','E','f','m','t',' ',
		0x10,0,0,0,1,0,1,0,  9,0x3d,0,0,0x12,0x7a,0,0,
		2,0,0x10,0,'d','a','t','a',  0,0,0,0 };


	if(path == NULL)
		return(NULL);

	// set the sample rate in the header
	p = (int *)(&wave_hdr[24]);
	p[0] = samplerate;
	p[1] = samplerate * 2;

	f = fopen(path,"wb");

	if(f != NULL)
	{
		fwrite(wave_hdr,1,sizeof(wave_hdr),f);
	}
	return(f);
}   //  end of OpenWaveFile




void CloseWaveFile3(FILE *f)
/*************************/
{
   unsigned int pos;
   static int value;

	if(f == NULL)
		return;

   fflush(f);
   pos = ftell(f);

   value = pos - 8;
   fseek(f,4,SEEK_SET);
   fwrite(&value,4,1,f);

	value = samplerate;
	fseek(f,24,SEEK_SET);
	fwrite(&value,4,1,f);

	value = samplerate*2;
	fseek(f,28,SEEK_SET);
	fwrite(&value,4,1,f);

   value = pos - 44;
   fseek(f,40,SEEK_SET);
   fwrite(&value,4,1,f);

   fclose(f);

} // end of CloseWaveFile3


int TestUriCallback(int type, const char *uri, const char *base)
{//=============================================================

	if(strcmp(uri,"hello")==0)
		return(1);
	return(0);
}



int TestSynthCallback(short *wav, int numsamples, espeak_EVENT *events)
{//====================================================================
	int type;
	f_events = fopen("/home/jsd1/speechdata/text/events","a");

	fprintf(f_events,"--\n");

	while((type = events->type) != 0)
	{
		fprintf(f_events,"%2d (%4d %4ld)   %5d %5d  (%3d) ",type,events->unique_identifier,(long)events->user_data,events->audio_position,events->text_position,events->length);

		if((type==3) || (type==4))
			fprintf(f_events,"'%s'\n",events->id.name);
		else
		if(type==espeakEVENT_PHONEME)
		{
//			char buf[10];
			fprintf(f_events,"[%s]\n",WordToString(events->id.number));  //old version, only 4 characters bytes
//			memcpy(buf, events->id.string, 8);
//			buf[8] = 0;
//			fprintf(f_events,"[%s]\n", buf);
		}
		else
			fprintf(f_events,"%d\n",events->id.number);

		events++;
	}

	if((wav == NULL) && (f_wavtest != NULL))
	{
		fprintf(f_events,"Finished\n");
		CloseWaveFile3(f_wavtest);
		f_wavtest = NULL;
	}
	fclose(f_events);

	if(f_wavtest == NULL) return(0);
	fwrite(wav,numsamples*2,1,f_wavtest);
	return(0);
}

//******************************************************************************************************


#ifdef deleted
static int RuLex_sorter(char **a, char **b)
{//=======================================
	char *pa, *pb;
	int xa, xb;
	int ix;

	pa = *a;
	pb = *b;

	xa = strlen(pa)-1;
	xb = strlen(pb)-1;

	while((xa >= 0) && (xb >= 0))
	{
		if((ix = (pa[xa] - pb[xb])) != 0)
			return(ix);

		xa--;
		xb--;
	}
	return(pa - pb);
}   /* end of strcmp2 */
#endif


static const unsigned short KOI8_R[0x60] = {
   0x2550, 0x2551, 0x2552, 0x0451, 0x2553, 0x2554, 0x2555, 0x2556, // a0
   0x2557, 0x2558, 0x2559, 0x255a, 0x255b, 0x255c, 0x255d, 0x255e, // a8
   0x255f, 0x2560, 0x2561, 0x0401, 0x2562, 0x2563, 0x2564, 0x2565, // b0
   0x2566, 0x2567, 0x2568, 0x2569, 0x256a, 0x256b, 0x256c, 0x00a9, // b8
   0x044e, 0x0430, 0x0431, 0x0446, 0x0434, 0x0435, 0x0444, 0x0433, // c0
   0x0445, 0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, // c8
   0x043f, 0x044f, 0x0440, 0x0441, 0x0442, 0x0443, 0x0436, 0x0432, // d0
   0x044c, 0x044b, 0x0437, 0x0448, 0x044d, 0x0449, 0x0447, 0x044a, // d8
   0x042e, 0x0410, 0x0411, 0x0426, 0x0414, 0x0415, 0x0424, 0x0413, // e0
   0x0425, 0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, // e8
   0x041f, 0x042f, 0x0420, 0x0421, 0x0422, 0x0423, 0x0416, 0x0412, // f0
   0x042c, 0x042b, 0x0417, 0x0428, 0x042d, 0x0429, 0x0427, 0x042a, // f8
};


#define N_CHARS  34
#define PH(c1,c2)  (c2<<8)+c1          // combine two characters into an integer for phoneme name



static void DecodePhonemes2(const char *inptr, char *outptr)
//===================================================
// Translate from internal phoneme codes into phoneme mnemonics
// This version is for Lexicon_De()
{
	unsigned char phcode;
	unsigned char c;
	unsigned int  mnem;
	PHONEME_TAB *ph;
	const char *p;
	int ix;
	int j;
	int start;
	static const char *stress_chars = "==,,'*  ";

	unsigned int replace_ph[] = {',',PH('@','-'),'W','3','y','A',PH('A',':'),'*',PH('_','!'),PH('_','|'),PH('O','I'),PH('Y',':'),PH('p','F'),PH('E','2'),0};
	const char *replace_ph2[] = {NULL,NULL,"9","@r","Y","a:",  "a:",        "r",   "?",        "?",        "OY",       "2:",   "pf" ,"E",NULL};


	start = 1;
	for(ix=0; (phcode = inptr[ix]) != 0; ix++)
	{
		if(phcode == 255)
			continue;     /* indicates unrecognised phoneme */
		if((ph = phoneme_tab[phcode]) == NULL)
			continue;

		if((ph->type == phSTRESS) && (ph->std_length <= 4) && (ph->program == 0))
		{
			if(ph->std_length > 2)
				*outptr++ = stress_chars[ph->std_length];
		}
		else
		{
			mnem = ph->mnemonic;
			if(ph->type == phPAUSE)
			{
				if(start)
					continue;   // omit initial [?]

				if(inptr[ix+1] == phonSCHWA_SHORT)
					continue;   // omit [?] before [@-*]
			}

			start = 0;
			p = NULL;

			for(j=0;;j++)
			{
				if(replace_ph[j] == 0)
					break;

				if(mnem == replace_ph[j])
				{
					p = replace_ph2[j];
					if(p == NULL)
						mnem = 0;
					break;
				}
			}

			if(p != NULL)
			{
				while((c = *p++) != 0)
				{
					*outptr++ = c;
				}
			}
			else
			if(mnem != 0)
			{
				while((c = (mnem & 0xff)) != 0)
				{
					*outptr++ = c;
					mnem = mnem >> 8;
				}
			}
		}
	}
	*outptr = 0;    /* string terminator */
}   //  end of DecodePhonemes2


void Lexicon_It(int pass)
{//======================
// Reads a lexicon of pairs of words: normal spelling and spelling with accents
// Creates file: dictsource/it_listx   which includes corrections for stress position and [E]/[e] and [O]/[o] phonemes
// Words which are still in error are listed in file:  it_compare  (in the directory of the lexicon file).
	int count=0;
	int matched=0;
	int ix;
	int c;
	char *p, *p2;
	int len;
	int vowel_ix;
	int stress_posn1;
	int stress_posn2;
	int stress_vowel1;
	int stress_vowel2;
	int use_phonemes;
	FILE *f_in;
	FILE *f_out;
	FILE *f_listx;
	FILE *f_list_in = NULL;
	int listx_count;
	long int displ;
	const char *alt_string;
	wxString str;
	static wxString fname_lex;
	char buf[200];
	char word[80];
	char word1[80];
	char word2[80];
	char word_stem[80];
	char temp[80];
	char phonemes[80];
	char phonemes2[80];
	char phonemes3[80];
	char buf_out[200];
	char buf_error[200];
	char last_listx[200];

	static const char *vowels1 = "aeiou";
	static const char *vowels2 = "aeou";

	static const char ex1[] = {'a',0xc3,0xac,0};  // aì
	static const char ex2[] = {'e',0xc3,0xac,0};  // eì
	static const char ex3[] = {0xc3,0xb9,'a',0};  // ùa
	static const char ex4[] = {0xc3,0xb9,'e',0};  // ùe
	static const char ex5[] = {0xc3,0xb9,'i',0};  // ùi
	static const char ex6[] = {0xc3,0xb9,'o',0};  // ùo
	static const char ex7[] = {'c',0xc3,0xac,'a',0};  // cìa
	static const char ex8[] = {'c',0xc3,0xac,'o',0};  // cìo
	static const char ex9[] = {'c',0xc3,0xac,'u',0};  // cìu
	static const char ex10[] = {'g','l',0xc3,0xac,0};  // glì


	static const char *exceptions[] = {ex1, ex2, ex3, ex4, ex5, ex6, ex7, ex8, ex9, ex10, NULL};

	if(pass == 1)
	{
		fname_lex = wxFileSelector(_T("Italian Lexicon"),path_dir1,_T(""),_T(""),_T("*"),wxOPEN);
	}

	strcpy(buf,fname_lex.mb_str(wxConvLocal));
	if((f_in = fopen(buf,"r")) == NULL)
	{
		wxLogError(_T("Can't read file ")+fname_lex);
		return;
	}
	path_dir1 = wxFileName(fname_lex).GetPath();
	strcpy(buf_out, path_dir1.mb_str(wxConvLocal));
	sprintf(buf, "%s/IT_errors", buf_out);

	if((f_out = fopen(buf,"w")) == NULL)
	{
		str = wxString(buf, wxConvLocal);
		wxLogError(_T("Can't write file: ") + str);
		return;
	}

	listx_count = 0;
	last_listx[0] = 0;

	if(pass == 1)
	{
		sprintf(buf,"%s/it_listx",path_dsource);
		remove(buf);
		CompileDictionary(path_dsource,"it",NULL,NULL,0);
		f_listx = fopen(buf,"w");
		wxLogStatus(_T("Pass 1"));
	}
	else
	{
		CompileDictionary(path_dsource,"it",NULL,NULL,0);
		sprintf(buf,"%s/it_listx2",path_dsource);
		f_listx = fopen(buf,"w");
		sprintf(buf,"%s/it_listx",path_dsource);
		if((f_list_in = fopen(buf,"r")) == NULL)
		{
			wxLogError(_T("Can't read file: it_listx"));
			return;
		}
	}
	if(f_listx == NULL)
	{
		wxLogError(_T("Can't write file: it_listx"));
		return;
	}


	LoadVoice("it",0);

	while(!feof(f_in))
	{
		count++;

		if(fgets(buf,sizeof(buf),f_in) == NULL)
			break;

		if((p = strstr(buf,"//")) != NULL)
			*p = 0;

		if((sscanf(buf,"%s %s",word,temp)) < 2)
			continue;

		if(strlen(word) < 8)
			sprintf(buf_error,"%s\t\t%s\t",word,temp);
		else
			sprintf(buf_error,"%s\t%s",word,temp);

		sprintf(word1," %s  ",word);

		// should we remove a vowel ending to produce a stem ?
		strcpy(word_stem, word);
		len = strlen(word) - 1;
		utf8_in(&c, temp);
//		if(iswlower(c))
		{
			if((word[len] == 'a') && (strchr(vowels1, word[len-1]) == NULL))
				word_stem[len] = 0;
			else
			if((word[len] == 'o') && (strchr(vowels2, word[len-1]) == NULL))
				word_stem[len] = 0;
		}

		// convert word to lower-case
		word2[0] = ' ';
		for(ix=0, p=&word2[1];;)
		{
			ix += utf8_in(&c,&temp[ix]);
			c = towlower(c);
			p += utf8_out(c,p);
			if(c == 0)
				break;
		}
		strcat(word2,"  ");

		use_phonemes = 0;
		for(ix=0; ; ix++)
		{
			if(exceptions[ix] == NULL)
				break;

			if(strstr(word2, exceptions[ix]) != NULL)
			{
				// the word contains a string for which we must do a complete phoneme translation
				use_phonemes = 1;
				strcpy(word_stem, word);
				break;
			}
		}

		// translate
		TranslateWord(translator,&word1[1],0, NULL, NULL);
		DecodePhonemes(word_phonemes,phonemes);

		stress_posn1 = 0;
		stress_posn2 = 0;
		stress_vowel1 = 0;
		stress_vowel2 = 0;

		vowel_ix = 1;
		for(ix=0; ;ix++)
		{
			if((c = word_phonemes[ix]) == 0)
				break;
			if(c == phonSTRESS_P)
			{
				stress_posn1 = vowel_ix;
				stress_vowel1 = word_phonemes[ix+1];
			}

			if((c != phonSCHWA_SHORT) && (phoneme_tab[c]->type == phVOWEL))
				vowel_ix++;
		}

		TranslateWord(translator,&word2[1],0, NULL, NULL);
		DecodePhonemes(word_phonemes,phonemes2);

		vowel_ix = 1;
		for(ix=0; ;ix++)
		{
			if((c = word_phonemes[ix]) == 0)
				break;
			if(c == phonSTRESS_P)
			{
				stress_posn2 = vowel_ix;
				stress_vowel2 = word_phonemes[ix+1];
			}

			if((c != phonSCHWA_SHORT) && (phoneme_tab[c]->type == phVOWEL))
				vowel_ix++;
		}

		if(stress_posn2 == (vowel_ix-1))
		{
			// stress is on the final vowel, don't renove it
			strcpy(word_stem, word);
		}

		if(pass == 1)
		{
			if(use_phonemes)
			{
				fprintf(f_listx,"%s  ", word_stem);
				for(p = phonemes2; *p != 0; p++)
				{
					if(*p != ',')
						fputc(*p, f_listx);  // omit secondary stress marks
				}
				fputc('\n',f_listx);

			}
			else
			if((stress_posn1 != stress_posn2) && (stress_posn1 > 0) && (stress_posn2 > 0))
			{
				fprintf(f_listx,"%s $%d\n", word_stem, stress_posn2);
			}
		}

		// reduce [E] and [O] to [e] and [o] if not stressed
		for(ix=0; phonemes[ix] != 0; ix++)
		{
			if((phonemes[ix] == 'E') || (phonemes[ix] == 'O'))
			{
				if((pass == 2) || (ix==0) || (phonemes[ix-1] != '\''))
					phonemes[ix] = tolower(phonemes[ix]);
			}
		}

		for(ix=0; phonemes2[ix] != 0; ix++)
		{
			if((phonemes2[ix] == 'E') || (phonemes2[ix] == 'O'))
			{
				if((pass == 2) || (ix==0) || (phonemes2[ix-1] != '\''))
					phonemes2[ix] = tolower(phonemes2[ix]);
			}
		}

		if(strcmp(phonemes,phonemes2) == 0)
		{
			alt_string = NULL;
			if((pass == 2) && (stress_posn1 > 0) && (stress_posn2 > 0))
			{
				if(((stress_vowel1 == PhonemeCode('E')) && (stress_vowel2 == PhonemeCode('e'))) ||
					((stress_vowel1 == PhonemeCode('O')) && (stress_vowel2 == PhonemeCode('o'))))
				{
					alt_string = " $alt2";
				}
				else
				if(((stress_vowel1 == PhonemeCode('e')) && (stress_vowel2 == PhonemeCode('E'))) ||
					((stress_vowel1 == PhonemeCode('o')) && (stress_vowel2 == PhonemeCode('O'))))
				{
					alt_string = " $alt";
				}

				if(alt_string != NULL)
				{
					while(!feof(f_list_in))
					{
						displ = ftell(f_list_in);
						if(fgets(buf, sizeof(buf), f_list_in) == NULL)
							break;

						sscanf(buf, "%s", word1);
						if(strcmp(word1, word_stem) < 0)
						{
							sprintf(buf_out,"%s",buf);  // copy it_listx from pass 1 until we reach the matching word
						}
						else
						{
							if(strcmp(word1, word_stem) == 0)
							{
								p = buf;
								while((*p != '\n') && (*p != 0)) *p++;
								*p = 0;
								sprintf(buf_out,"%s %s\n",buf,alt_string);   // add $alt or $alt2 to the entry
							}
							else
							{
								sprintf(buf_out,"%s %s\n", word_stem, alt_string);   // add a new word with $alt or $alt2
								fseek(f_list_in, displ, SEEK_SET);
							}

							if(strcmp(buf_out, last_listx) != 0)
							{
								fprintf(f_listx, "%s", buf_out);
								listx_count++;
								strcpy(last_listx, buf_out);
							}
							break;
						}

						if(strcmp(buf_out, last_listx) != 0)
						{
							fprintf(f_listx, "%s", buf_out);
							listx_count++;
							strcpy(last_listx, buf_out);
						}
					}
				}
			}
			matched++;
		}
		else
		{
			// allow if the only difference is no primary stress
			p2 = phonemes2;
			p = phonemes3;
			while(*p2 != 0)
			{
				*p = *p2++;
				if((*p2 == ':') && (strchr("aeiouEO", *p) != NULL)) p2++;  // change lone vowels to short by removing ':'
				if(*p == '\'') *p = ',';  // change primary to secondary stress
				p++;
			}
			*p = 0;
			if(strcmp(phonemes, phonemes3) == 0)
			{
				matched++;
			}
			else
			{
				// still doesn't match, report this word
				fprintf(f_out,"%s\t%s\t%s\n",buf_error,phonemes,phonemes2);
			}
		}
	}

	if(pass == 2)
	{
		while(fgets(buf, sizeof(buf), f_list_in) != NULL)
		{
			if(strcmp(buf, last_listx) != 0)  // check for duplicate entries
			{
				fprintf(f_listx, "%s", buf);  // copy the remaining entries from pass 1
				listx_count++;
				strcpy(last_listx, buf);
			}
		}
		fclose(f_list_in);
	}
	fclose(f_in);
	fclose(f_out);
	fclose(f_listx);

	if(pass == 2)
	{
		sprintf(buf,"%s/it_listx",path_dsource);
		remove(buf);
		sprintf(buf_out,"%s/it_listx2",path_dsource);
		rename(buf_out, buf);
		wxLogStatus(_T("Created file 'it_listx', entries=%d  errors=%d  total words=%d"),listx_count, count-matched, count);
	}
	else
	{
		wxLogStatus(_T("Pass 1, equal=%d  different=%d"),matched,count-matched);
	}
}  // end of Lexicon_It


void Lexicon_De()
{//==============
// Compare eSpeak's translation of German words with a pronunciation lexicon
	FILE *f_in;
	FILE *f_out;
	int ix;
	int c;
	int c2;
	char *p;
	int stress;
	int count=0;
	int start;
	int matched=0;
	int defer_stress = 0;
	char buf[200];
	char word[80];
	char word2[80];
	char type[80];
	char pronounce[80];
	char pronounce2[80];
	char phonemes[80];
	char phonemes2[80];

	static const char *vowels = "aeiouyAEIOUY29@";

	wxString fname = wxFileSelector(_T("German Lexicon"),path_dir1,_T(""),_T(""),_T("*"),wxOPEN);

	strcpy(buf,fname.mb_str(wxConvLocal));
	if((f_in = fopen(buf,"r")) == NULL)
	{
		wxLogError(_T("Can't read file ")+fname);
		return;
	}
	path_dir1 = wxFileName(fname).GetPath();

	if((f_out = fopen("compare_de","w")) == NULL)
	{
		wxLogError(_T("Can't write file "));
		return;
	}
	LoadVoice("de",0);

	word2[0] = ' ';
	while(!feof(f_in))
	{
		count++;

		if(fgets(buf,sizeof(buf),f_in) == NULL)
			break;

		sscanf(buf,"%s %s %s",word,type,pronounce);

		// convert word to lower-case
		for(ix=0, p=&word2[1];;)
		{
			ix += utf8_in(&c,&word[ix]);
			c = towlower(c);
			p += utf8_out(c,p);
			if(c == 0)
				break;
		}
		strcpy(word,&word2[1]);
		strcat(&word2[1],"  ");

		// remove | syllable boundaries
		stress=0;
		start=1;
		for(ix=0, p=pronounce2;;ix++)
		{
			c = pronounce[ix];
			if(c == '\'')
			{
				stress=4;
				continue;
			}
			if(c == ',')
			{
				stress=3;
				continue;
			}
			if(c == '|')
				continue;

			if((c == '?') && start)
				continue;      // omit initial [?]

			if(c == '<')
			{
				if((c2 = pronounce[ix+1]) == 'i')
				{
					defer_stress =1;
#ifdef deleted
					if(stress == 4)
					{
						*p++ = 'i';
						c =':';
					}
					else
#endif
					{
						c = 'I';
					}
					ix++;
				}
			}

			start =0;
			if(defer_stress)
			{
				defer_stress = 0;
			}
			else
			if(stress && (strchr(vowels,c) != NULL))
			{
				if(stress == 4)
					*p++ = '\'';
				if(stress == 3)
					*p++ = ',';
				stress = 0;
			}

			*p++ = c;
			if(c == 0)
				break;

			if(strchr("eiouy",c) && pronounce[ix+1] != ':')
				*p++ = ':';    // ensure [;] after these vowels
		}

		// translate
		TranslateWord(translator,&word2[1],0, NULL, NULL);

		DecodePhonemes2(word_phonemes,phonemes);  // also need to change some phoneme names

		if(strcmp(phonemes,pronounce2) == 0)
		{
			matched++;
		}
		else
		{
			// remove secondary stress
			strcpy(phonemes2,phonemes);
			p = phonemes;
			for(ix=0; ;ix++)
			{
				if((c = phonemes2[ix]) != ',')
					*p++ = c;
				if(c == 0)
					break;
			}

			if(strcmp(phonemes,pronounce2) == 0)
			{
				matched++;
			}
			else
			{
				if(strlen(word) < 8)
					strcat(word,"\t");
				fprintf(f_out,"%s\t%s\t%s\n",word,phonemes,pronounce2);
			}
		}
	}

	fclose(f_in);
	fclose(f_out);
	wxLogStatus(_T("Completed, equal=%d  different=%d"),matched,count-matched);
}  // end of Lexicon_De


extern int IsVowel(Translator *tr, int letter);

void Lexicon_Test()
{//================
	int c1, c2, c3;
	char *p;
	int prev_c1=0;
	int prev_c2=0;
	int prev_c3 = 0;
	FILE *f_in;
	FILE *f_out;
	char buf[200];

	wxString s_fname = wxFileSelector(_T("List of UTF-8 words with Combining Grave Accent U+300 to indicate stress"),path_dir1,
		_T(""),_T(""),_T("*"),wxOPEN);
	if(s_fname.IsEmpty())
		return;
	strcpy(buf,s_fname.mb_str(wxConvLocal));
	path_dir1 = wxFileName(s_fname).GetPath();

	if((f_in = fopen(buf,"r")) == NULL)
	{
		wxLogError(_T("Can't read file: ") + wxString(buf,wxConvLocal));
		return;
	}

	strcat(buf,"_1");
	if((f_out = fopen(buf,"w")) == NULL)
	{
		wxLogError(_T("Can't write file: ") + wxString(buf,wxConvLocal));
		fclose(f_in);
		return;
	}

	while(!feof(f_in))
	{
		if((p = fgets(buf,sizeof(buf),f_in)) == NULL)
			break;

		if(buf[0] == 0)
			continue;

		p += utf8_in(&c1, p);
		p += utf8_in(&c2, p);
		p += utf8_in(&c3, p);

		c1 = towlower(c1);
		c2 = towlower(c2);
		c3 = towlower(c3);

		if(IsVowel(translator, c1))
			continue;
		if(IsVowel(translator, c2))
			continue;

		if((prev_c1 != c1) || (prev_c2 != c2) || ((prev_c3 != c3) && !IsVowel(translator,c3)))
			fputc('\n',f_out);
		prev_c1 = c1;
		prev_c2 = c2;
		prev_c3 = c3;
		fprintf(f_out,"%s",buf);

	}
	fclose(f_in);
	fclose(f_out);
}  // end of Lexicon_Test



void Lexicon_Bg()
{//==============
// Bulgarian: compare stress markup in a list of words with lookup using bg_rules

	char *p;
	char *pw;
	char *pw1;
	int cc;
	int vcount;
	int lex_stress;
	int input_length;
	int n_words=0;
	int n_wrong=0;
	int n_out=0;
	int n_stress;
	int max_stress;
	int max_stress_posn;
	int stress_first;
	int done;
	PHONEME_TAB *ph;

	FILE *f_in;
	FILE *f_out;

	char word[80];
	char word_in[80];
	char phonemes[N_WORD_PHONEMES];
	char buf[200];
	char fname[sizeof(path_dsource)+20];

	static unsigned short bg_vowels[] = {0x430, 0x435, 0x438, 0x43e, 0x443, 0x44a, 0x44d, 0x44e, 0x44f, 0x450, 0x451, 0x45d, 0};

	if(gui_flag == 0)
		return;

	wxString s_fname = wxFileSelector(_T("List of UTF-8 words with Combining Grave Accent U+300 to indicate stress"),path_dir1,
		_T(""),_T(""),_T("*"),wxOPEN);
	if(s_fname.IsEmpty())
		return;
	strcpy(buf,s_fname.mb_str(wxConvLocal));
	path_dir1 = wxFileName(s_fname).GetPath();

	if((f_in = fopen(buf,"r")) == NULL)
	{
		wxLogError(_T("Can't read file: ") + wxString(buf,wxConvLocal));
		return;
	}
	input_length = GetFileLength(buf);

	sprintf(fname,"%s%c%s",path_dsource,PATHSEP,"bg_listx");
	remove(fname);
	CompileDictionary(path_dsource,"bg",NULL,NULL,0);

	if((f_out = fopen(fname,"w")) == NULL)
	{
		wxLogError(_T("Can't write to: ")+wxString(fname,wxConvLocal));
		fclose(f_in);
		return;
	}

	LoadVoice("bg",0);
	progress = new wxProgressDialog(_T("Lexicon"),_T(""),input_length);

	for(;;)
	{
		if((n_words & 0x3ff) == 0)
		{
			progress->Update(ftell(f_in));
		}

		if(fgets(buf,sizeof(buf),f_in) == NULL)
			break;

		if(isspace2(buf[0]))
			continue;

		// convert from UTF-8 to Unicode
		word[0] = 0;
		word[1] = ' ';
		pw = &word[2];
		pw1 = word_in;
		p = buf;
		while(*p == ' ') p++;
		vcount = 0;
		lex_stress = 0;
		n_stress = 0;
		stress_first = 0;

		// find the marked stress position
		for(;;)
		{
			p += utf8_in(&cc, p);
			if(iswspace(cc))
				break;
			if(cc == 0xfeff)
				continue;   // ignore UTF-8 indication

			if(cc == '`')
				cc = '\'';
			pw1 += utf8_out(towlower(cc), pw1);   // copy UTF-8 to 'word_in'

			if(lookupwchar(bg_vowels, cc) != 0)
				vcount++;

			if((cc == '\'') || (cc == 0x300) || (cc == 0x450) || (cc == 0x45d))
			{
				// backprime (before the vowel), combining grave accent, or accented vowel character
				if(cc == '\'')
					lex_stress = vcount+1;
				else
					lex_stress = vcount;
				n_stress++;

				if(vcount == 1)
					stress_first = 1;

				if((cc == '\'') || (cc == 0x300))
					continue;		// discard backprime or combining accent
				if(cc == 0x450)
					cc = 0x435;		// remove accent from vowel
				if(cc == 0x45d)
					cc = 0x438;
			}

			pw += utf8_out(cc, pw);   // copy UTF-8 to 'word'
		}
		*pw++ = ' ';
		*pw = 0;
		*pw1 = 0;

		// translate
		TranslateWord(translator, &word[2],0, NULL, NULL);
		DecodePhonemes(word_phonemes,phonemes);

		// find the stress position in the translation
		max_stress = 0;
		max_stress_posn = -1;
		vcount = 0;

		ph = phoneme_tab[phonPAUSE];
		for(p=word_phonemes; *p != 0; p++)
		{
			ph = phoneme_tab[(unsigned int)*p];
			if(ph == NULL)
				continue;

			if(ph->type == phVOWEL)
				vcount++;
			if(ph->type == phSTRESS)
			{
				if(ph->std_length > max_stress)
				{
					max_stress = ph->std_length;
					max_stress_posn = vcount+1;
				}
			}
		}

if(n_stress > 1) n_stress = 1;
		done = 0;

		if(vcount < 2)
		{
			// don't list words with only one vowel
		}
		else
		if((lex_stress != max_stress_posn) || (n_stress != 1))
		{
			if((vcount > 0) && (lex_stress > 0) && (lex_stress <= 7))
			{
				if((n_stress == 2) && (stress_first))
				{
					done = 1;
					fprintf(f_out,"%s\t$%d\n",&word[2],lex_stress);
				}
				if(n_stress == 1)
				{
					done = 1;
					fprintf(f_out,"%s\t$%d\n",&word[2],lex_stress);
				}
			}

			if(done == 0)
			{
				n_wrong++;
				fprintf(f_out,"// %s\t$text %s\n", &word[2], word_in);
			}

			if(done)
				n_out++;
		}

		n_words++;
	}

	fclose(f_in);
	fclose(f_out);

	CompileDictionary(path_dsource,"bg",NULL,NULL,0);


	delete progress;
	sprintf(buf,"Lexicon: Input %d,  Output %d,  $text %d",n_words,n_out,n_wrong);
	wxLogStatus(wxString(buf,wxConvLocal));
}  // end of Lexicon_Bg



void Lexicon_Ru()
{//==============
// compare stress markings in Russian RuLex file with lookup in ru_rules

// Input file contains a list of Russian words (UTF-8), one per line
// Stress position can be indicated either by:
// A $ sign and syllable number after the word, eg:
//   абажура  $3
// or by a + sign after the stressed vowel, eg:
//   абажу+ра

// espeakedit produces a file:  dictsource/ru_listx  and a log file dictsource/ru_log

	int ix;
	char *p;
	int  c;
	FILE *f_in;
	FILE *f_out;
	FILE *f_log;
	PHONEME_TAB *ph;
	int ph_code;
	int vcount;
	int ru_stress;
	int max_stress;
	int max_stress_posn;
	int n_words=0;
	int n_wrong=0;
	int n_errors=0;
	int wlength;
	int input_length;

	int check_root;

	char word[80];
	char word2[80];
	int counts[20][20][10];

	char phonemes[N_WORD_PHONEMES];
	char buf[200];
	char fname[sizeof(path_dsource)+20];

	// character codes for Russian vowels
	static unsigned short ru_vowels[] = {0x430,0x435,0x438,0x439,0x43e,0x443,0x44d,0x44e,0x44f,0x450,0x451,0};

	typedef struct {
		const char *suffix;
		int  syllables;
	} SUFFIX;

#ifdef deleted
	FILE *f_roots;
	int sfx;
	const char *suffix;
	int wlen;
	int len;
	static SUFFIX suffixes[] = {
{NULL,0},
	{"ичу",2},
	{"ского",2},
	{"ская",2},
	{"ски",1},
	{"ские",2},
	{"ский",1},
	{"ским",1},
	{"ское",2},
	{"ской",1},
	{"ском",1},
	{"скую",2},

	{"а",1},
	{"е",1},
	{"и",1},

	{NULL,0}};
#endif

	memset(counts,0,sizeof(counts));

	if(gui_flag)
	{
		wxString fname = wxFileSelector(_T("Read lexicon.dict"),path_dictsource,
			_T(""),_T(""),_T("*"),wxOPEN);
		if(fname.IsEmpty())
			return;
		strcpy(buf,fname.mb_str(wxConvLocal));
	}
	else
	{
		strcpy(buf,"lexicon.dict");
	}

	if((f_in = fopen(buf,"r")) == NULL)
	{
		if(gui_flag)
			wxLogError(_T("Can't read file: ") + wxString(buf,wxConvLocal));
		else
			fprintf(stderr,"Can't read file: %s\n",buf);
		return;
	}
	input_length = GetFileLength(buf);

	sprintf(fname,"%s%c%s",path_dsource,PATHSEP,"ru_listx");
	remove(fname);

	// compile ru_dict without ru_listx
	CompileDictionary(path_dsource,"ru",NULL,NULL,0);

	if((f_out = fopen(fname,"w")) == NULL)
	{
		wxLogError(_T("Can't write to: ")+wxString(fname,wxConvLocal));
		fclose(f_in);
		return;
	}

	sprintf(fname,"%s%c%s",path_dsource,PATHSEP,"ru_log");
	f_log = fopen(fname,"w");
	sprintf(fname,"%s%c%s",path_dsource,PATHSEP,"ru_roots_1");
//	f_roots = fopen(fname,"w");

	LoadVoice("ru",0);


	if(gui_flag)
		progress = new wxProgressDialog(_T("Lexicon"),_T(""),input_length);
	else
		fprintf(stderr,"Processing lexicon.dict\n");

	for(;;)
	{
		if(((n_words & 0x3ff) == 0) && gui_flag)
		{
			progress->Update(ftell(f_in));
		}

		if(fgets(buf,sizeof(buf),f_in) == NULL)
			break;

		if((p = strstr(buf,"//")) != NULL)
			*p = '\n';   // truncate at comment

		p = buf;
		while((*p == ' ') || (*p == '\t')) p++;
		if(*p == '\n')
			continue;  // blank line

		ix = 0;
		wlength = 0;
		vcount = 0;
		ru_stress = -1;

		for(;;)
		{
			p += utf8_in(&c, p);
			if(isspace(c))
				break;

			if(lookupwchar(ru_vowels, c))
				vcount++;
			if(c == '+')
				ru_stress = vcount;
			else
				ix += utf8_out(c, &word[ix]);
		}
		word[ix] = 0;

		sprintf(word2," %s ",word);   // surround word by spaces before calling TranslateWord()

		// find the marked stress position, if it has not been marked by a + after the stressed vowel
		if(ru_stress == -1)
		{
			while((*p == ' ') || (*p == '\t')) p++;
			sscanf(p,"$%d",&ru_stress);
			if(ru_stress == -1)
			{
				n_errors++;
				fprintf(f_log,"%s",buf);
				continue;   // stress position not found
			}
		}

		// translate
		TranslateWord(translator, &word2[1],0, NULL, NULL);
		DecodePhonemes(word_phonemes,phonemes);

		// find the stress position in the translation
		max_stress = 0;
		max_stress_posn = -1;
		vcount = 0;
		check_root = 0;

		ph = phoneme_tab[phonPAUSE];
		for(p=word_phonemes; (ph_code = *p & 0xff) != 0; p++)
		{
			ph = phoneme_tab[ph_code];
			if(ph == NULL)
				continue;

			if((ph->type == phVOWEL) && (ph_code != phonSCHWA_SHORT))
				vcount++;
			if(ph->type == phSTRESS)
			{
				if(ph->std_length > max_stress)
				{
					max_stress = ph->std_length;
					max_stress_posn = vcount+1;
				}
			}
		}

		n_words++;
		if(ru_stress > vcount)
		{
			if(f_log != NULL)
			{
				fprintf(f_log,"%s\t $%d\t // %s\n",word,ru_stress,phonemes);
			}
			n_errors++;
		}
		else
		{
			counts[vcount][ru_stress][ph->type]++;

			if((vcount > 1) && (ru_stress != max_stress_posn))
			{
				n_wrong++;
				if((ru_stress==0) || (ru_stress > 7))
				{
					fprintf(f_out,"// ");   // we only have $1 to $7 to indicate stress position
					if(f_log != NULL)
					{
						fprintf(f_log,"%s\t $%d\t // %s\n",word,ru_stress,phonemes);
					}
					n_errors++;
				}
				else
					check_root = 1;

#define X_COMPACT

				fprintf(f_out,"%s",word);
#ifdef X_COMPACT
				if(wlength < 8) fputc('\t',f_out);
				if(wlength < 16) fputc('\t',f_out);
				fprintf(f_out," $%d\n",ru_stress);
#else
				while(wlength++ < 20)
					fputc(' ',f_out);
				fprintf(f_out," $%d  //%d  %s\n",ru_stress,max_stress_posn,phonemes);
#endif
//CharStats();
			}
		}


#ifdef deleted
		if(check_root)
		{
			// does this word match any suffixes ?
			wlen = strlen(word);
			for(sfx=0;(suffix = suffixes[sfx].suffix) != NULL; sfx++)
			{
				len = strlen(suffix);
				if(len >= (wlen-2))
					continue;

				if(ru_stress > (vcount - suffixes[sfx].syllables))
					continue;

				if(strcmp(suffix,&word[wlen-len])==0)
				{
					strcpy(word2,word);
					word2[wlen-len] = 0;
//					fprintf(f_roots,"%s\t $%d\t\\ %s\n",word2,ru_stress,suffix);
					fprintf(f_roots,"%s\t $%d\n",word2,ru_stress);
				}
			}
		}
#endif
	}

	fclose(f_in);
	fclose(f_out);
//	fclose(f_roots);

	sprintf(buf,"Lexicon: Total %d  OK %d  fixed %d  errors %d (see ru_log)",n_words,n_words-n_wrong,n_wrong,n_errors);
	if(gui_flag)
	{
		delete progress;
		wxLogStatus(wxString(buf,wxConvLocal));
	}
	else
	{
		fprintf(stderr,"%s\n",buf);
	}

	if(f_log != NULL)
	{

#ifdef deleted
		// list tables of frequency of stress position for words of different syllable lengths
		int j,k;
		for(ix=2; ix<12; ix++)
		{
			fprintf(f_log,"%2d syllables\n",ix);
			for(k=0; k<10; k++)
			{
				fprintf(f_log,"  %2d :",k);
				for(j=1; j<=ix; j++)
				{
					fprintf(f_log,"%6d ",counts[ix][j][k]);
				}
				fprintf(f_log,"\n");
			}
			fprintf(f_log,"\n\n");
		}
#endif
		fclose(f_log);
	}

}  // end of Lexicon_Ru



void CompareLexicon(int id)
{//========================
	switch(id)
	{
	case MENU_LEXICON_RU:
		Lexicon_Ru();
		break;
	case MENU_LEXICON_BG:
		Lexicon_Bg();
		break;
	case MENU_LEXICON_DE:
		Lexicon_De();
		break;
	case MENU_LEXICON_IT:
		Lexicon_It(1);
		Lexicon_It(2);
		break;
	case MENU_LEXICON_TEST:
		Lexicon_Test();
		break;
	}
}  // end of CompareLexicon


//******************************************************************************************************
extern int HashDictionary(const char *string);
static int n_words;

struct wcount {
	struct wcount *link;
	int count;
	char *word;
};



static int wfreq_sorter(wcount **p1, wcount **p2)
{//==============================================
	int x;
	wcount *a, *b;
	a = *p1;
	b = *p2;
	if((x = b->count - a->count) != 0)
		return(x);
	return(strcmp(a->word,b->word));
}


static void wfreq_add(const char *word, wcount **hashtab)
{//======================================================
	wcount *p;
	wcount **p2;
	int len;
	int hash;

	hash = HashDictionary(word);
	p2 = &hashtab[hash];
	p = *p2;

	while(p != NULL)
	{
		if(strcmp(p->word,word)==0)
		{
			p->count++;
			return;
		}
		p2 = &p->link;
		p = *p2;
	}

	// word not found, add it to the list
	len = strlen(word) + 1;
	if((p = (wcount *)malloc(sizeof(wcount)+len)) == NULL)
		return;

	p->count = 1;
	p->link = NULL;
	p->word = (char *)p + sizeof(wcount);
	strcpy(p->word,word);
	*p2 = p;
	n_words++;
}


void CountWordFreq(wxString path, wcount **hashtab)
{//================================================
	// Count the occurances of words in this file
	FILE *f_in;
	unsigned char c;
	int wc;
	unsigned int ix, j, k;
	int n_chars;
	char buf[80];
	char wbuf[80];

	if((f_in = fopen(path.mb_str(wxConvLocal),"rb")) == NULL)
		return;

	while(!feof(f_in))
	{
		while((c = fgetc(f_in)) < 'A')
		{
			// skip leading spaces, numbers, etc
			if(feof(f_in)) break;
		}

		// read utf8 bytes until a space, number or punctuation
		ix = 0;
		while(!feof(f_in) && (c >= 'A') && (ix < sizeof(buf)-1))
		{
			buf[ix++] = c;
			c = fgetc(f_in);
		}
		buf[ix++] = 0;
		buf[ix] = 0;

		// the buf may contain non-alphabetic characters
		j = 0;
		n_chars = 0;
		for(k=0; k<ix; )
		{
			k += utf8_in(&wc,&buf[k]);
			wc = towlower2(wc);       // convert to lower case
			if(iswalpha2(wc))
			{
				j += utf8_out(wc,&wbuf[j]);
				n_chars++;
			}
			else
			{
				wbuf[j] = 0;
				if(n_chars > 2)
				{
					wfreq_add(wbuf,hashtab);
				}
				j = 0;
				n_chars = 0;
			}
		}
	}
	fclose(f_in);

}   // end of CountWordFreq


void MakeWordFreqList()
{//====================
// Read text files from a specified directory and make a list of the most frequently occuring words.
	struct wcount *whashtab[N_HASH_DICT];
	wcount **w_list;
	int ix;
	int j;
	int hash;
	wcount *p;
	FILE *f_out;
	char buf[200];
	char buf2[200];

	wxString dir = wxDirSelector(_T("Directory of text files"),path_speaktext);
	if(dir.IsEmpty()) return;

	memset(whashtab,0,sizeof(whashtab));

	wxString path = wxFindFirstFile(dir+_T("/*"),wxFILE);

	while (!path.empty())
	{
		if(path.AfterLast(PATHSEP) != _T("!wordcounts"))
		{
			CountWordFreq(path,whashtab);
			path = wxFindNextFile();
		}
	}

	// put all the words into a list and then sort it
	w_list = (wcount **)malloc(sizeof(wcount *) * n_words);

	ix = 0;
	for(hash=0; hash < N_HASH_DICT; hash++)
	{
		p = whashtab[hash];
		while((p != NULL) && (ix < n_words))
		{
			w_list[ix++] = p;
			p = p->link;
		}
	}

	qsort((void *)w_list,ix,sizeof(wcount *),(int(*)(const void *,const void *))wfreq_sorter);

	// write out the sorted list
	strcpy(buf,dir.mb_str(wxConvLocal));
	sprintf(buf2,"%s/!wordcounts",buf);
	if((f_out = fopen(buf2,"w")) == NULL)
		return;

	for(j=0; j<ix; j++)
	{
		p = w_list[j];
		fprintf(f_out,"%5d  %s\n",p->count,p->word);
		free(p);
	}
	fclose(f_out);

}  // end of Make WorkFreqList



//******************************************************************************************************

void ConvertToUtf8()
{//=================
// Convert a file from 8bit to UTF8, according to the current voice
	unsigned int c;
	int ix;
	FILE *f_in;
	FILE *f_out;
	char buf[200];

	wxString fname = wxFileSelector(_T("Convert file to UTF8"),wxString(path_home,wxConvLocal),
		_T(""),_T(""),_T("*"),wxOPEN);
	if(fname.IsEmpty())
		return;
	strcpy(buf,fname.mb_str(wxConvLocal));
	f_in = fopen(buf,"r");
	if(f_in == NULL)
	{
		wxLogError(_T("Can't read file: ")+fname);
		return;
	}

	strcat(buf,"_1");
	f_out = fopen(buf,"w");
	if(f_out == NULL)
	{
		wxLogError(_T("Can't create file: ")+wxString(buf,wxConvLocal));
		fclose(f_in);
		return;
	}

	while(!feof(f_in))
	{
		c = fgetc(f_in) & 0xff;
		if(c >= 0xa0)
			c = translator->charset_a0[c-0xa0];

		ix = utf8_out(c,buf);
		fwrite(buf,ix,1,f_out);
	}
	fclose(f_in);
	fclose(f_out);

	wxLogStatus(_T("Written to: ")+fname+_T("_1"));

}  // end of ConvertToUtf8

//******************************************************************************************************

#define N_SORT_LIST  10000

void DictionarySort(const char *dictname)
{//======================================
// Sort rules in *_rules file between lines which begin with //sort and //endsort
	FILE *f_in;
	FILE *f_out;
	int ix;
	char *p;
	char *p_end;
	char *p_pre;
	int sorting;
	int sort_ix=0;
	int sort_count=0;
	int line_len;
	int key_len;
	char buf[200];
	char key[200];
	char fname_in[200];
	char fname_out[200];
	char *sort_list[N_SORT_LIST];

	wxLogMessage(_T("Sorts the *_rules file, between lines which begin with\n//sort\n     and\n//endsort"));

	// try with and without '.txt' extension
	sprintf(fname_in,"%s%s_rules.txt",path_dsource,dictname);
	if((f_in = fopen(fname_in,"r")) == NULL)
	{
		sprintf(fname_in,"%s%s_rules",path_dsource,dictname);
		if((f_in = fopen(fname_in,"r")) == NULL)
		{
			wxLogError(_T("Can't open rules file: ") + wxString(fname_in,wxConvLocal));
			return;
		}
	}

	sprintf(fname_out,"%s%s_rules_sorted",path_dsource,dictname);
	if((f_out = fopen(fname_out,"w")) == NULL)
	{
		wxLogError(_T("Can't write to file: ") + wxString(fname_out,wxConvLocal));
		fclose(f_in);
		return;
	}

	sorting = 0;
	while(fgets(buf, sizeof(buf)-1, f_in) != NULL)
	{
		buf[sizeof(buf)-1] = 0;  // ensure zero byte terminator

		line_len = strlen(buf);

		if(memcmp(buf,"//endsort",9)==0)
		{
			sort_count++;
			sorting = 0;
			qsort((void *)sort_list, sort_ix, sizeof(char *), (int(*)(const void *, const void *))string_sorter);

			// write out the sorted lines
			for(ix=0; ix<sort_ix; ix++)
			{
				key_len = strlen(sort_list[ix]);
				p = &sort_list[ix][key_len+1];   // the original line is after the key
				fprintf(f_out,"%s",p);
				free(sort_list[ix]);
			}
		}

		if(sorting == 0)
		{
			if(memcmp(buf,"//sort",6)==0)
			{
				sorting = 1;
				sort_ix = 0;
			}

			fwrite(buf, line_len, 1, f_out);
			continue;
		}

		p_end = strstr(buf,"//");
		if(p_end == NULL)
			p_end = &buf[line_len];

		// add to the list of lines to be sorted
		p = buf;
		while((*p==' ') || (*p == '\t')) p++;  // skip leading spaces
		if(*p == '?')
		{
			// conditional rule, skip the condition
			while(!isspace(*p) && (*p != 0)) p++;
		}

		// skip any pre -condition
		p_pre = p;
		while(p < p_end)
		{
			if(*p == ')')
			{
				p_pre = p+1;
				break;
			}
			p++;
		}
		p = p_pre;
		while((*p==' ') || (*p == '\t')) p++;  // skip spaces

		ix = 0;
		while(!isspace(*p) && (*p != 0))
		{
			key[ix++] = *p++;
		}
		while((*p==' ') || (*p == '\t')) p++;  // skip spaces
		if(*p == '(')
		{
			// post-condition
			p++;   // skip '('
			while(!isspace(*p) && (*p != 0) && (p < p_end))
			{
				key[ix++] = *p++;
			}
		}
		key[ix] = 0;
		key_len = strlen(key);

		p = (char *)malloc(key_len + line_len + 8);
		sprintf(p,"%s%6d",key,sort_ix);   // include the line number (within the sort section) in case the keys are otherwise equal
		strcpy(p, key);
		strcpy(&p[key_len+1], buf);
		sort_list[sort_ix++] = p;

		if(sort_ix >= N_SORT_LIST)
		{
			wxLogError(_T("Too many lines to sort, > %d"), N_SORT_LIST);
			break;
		}
	}

	fclose(f_in);
	fclose(f_out);

	if(sorting != 0)
	{
		wxLogError(_T("Missing //$endsort"));
	}
	wxLogStatus(_T("Sorted %d sections. Written to file: ") + wxString(fname_out,wxConvLocal),sort_count);

}  // end of DictionarySort


void DictionaryFormat(const char *dictname)
{//========================================
// Format the *_rules file for the current voice

	FILE *f_in;
	FILE *f_out;
	char *p;
	char *p_start;
	unsigned short *pw;
	unsigned short *pw_match;
	unsigned short *pw_post = NULL;
	unsigned short *pw_phonemes = NULL;
	int c;
	int ix;
	int n_pre;
	int n_match;
	int n_post;
	int n_phonemes;
	int n_spaces;
	int n_out;
	int formatting;
	int comment;
	char buf[200];
	unsigned short bufw[200];
	char conditional[80];
	char fname_in[200];
	char fname_out[200];

	const int tab1 = 8;
	const int tab2 = 18;
	const int tab3 = 28;

	// try with and without '.txt' extension
	sprintf(fname_in,"%s%s_rules.txt",path_dsource,dictname);
	if((f_in = fopen(fname_in,"r")) == NULL)
	{
		sprintf(fname_in,"%s%s_rules",path_dsource,dictname);
		if((f_in = fopen(fname_in,"r")) == NULL)
		{
			wxLogError(_T("Can't open rules file: ") + wxString(fname_in,wxConvLocal));
			return;
		}
	}

	sprintf(fname_out,"%s%s_rules_formatted",path_dsource,dictname);
	if((f_out = fopen(fname_out,"w")) == NULL)
	{
		wxLogError(_T("Can't write to file: ") + wxString(fname_out,wxConvLocal));
		fclose(f_in);
		return;
	}

	formatting = 0;
	n_match = 0;
	while(fgets(buf, sizeof(buf)-1, f_in) != NULL)
	{
		buf[sizeof(buf)-1] = 0;  // ensure zero byte terminator

		ix = strlen(buf) - 1;
		while((buf[ix]=='\n') || (buf[ix]==' ') || (buf[ix]=='\t')) ix--;
		buf[ix+1] = 0;  // strip tailing spaces

		p_start = buf;
		while((*p_start==' ') || (*p_start == '\t')) p_start++;  // skip leading spaces

		comment = 0;
		if((p_start[0]=='/') && (p_start[1]=='/'))
			comment = 1;

		ix = 0;
		if(*p_start == '?')
		{
			// conditional rule
			while(!isspace(*p_start) && (*p_start != 0))
			{
				conditional[ix++] = *p_start++;
			}
			while((*p_start == ' ') || (*p_start == '\t')) p_start++;
		}
		conditional[ix] = 0;

		if(buf[0] == '.')
		{
			formatting = 0;
		}
		if(memcmp(p_start, ".group", 6) == 0)
		{
			formatting = 2;
			if(n_match > 0)
			{
				// previous line was not blank, so add a blank line
				fprintf(f_out,"\n");
			}
		}

		n_match = 0;

		if((formatting == 1) && (comment==0))
		{
			// convert from UTF-8 to UTF-16
			p = p_start;
			pw = bufw;
			do {
				p += utf8_in(&c, p);
				*pw++ = c;
			} while (c != 0);

			pw = bufw;

			while((*pw != ')') && (*pw != 0) && !iswspace(*pw)) pw++;

			n_pre = 0;
			n_post = 0;
			n_phonemes = 0;
			n_spaces = 0;

			if(*pw != 0)
				n_spaces = tab1;

			if(*pw == ')')
			{
				// there is a pre-condition
				n_pre = pw - bufw + 1;
				n_spaces = tab1 - n_pre - 1;
				pw++;
				while((*pw==' ') || (*pw=='\t')) pw++;
			}
			else
			{
				pw = bufw;
			}

			pw_match = pw;
			while(((c = *pw)!= ' ') && (c != '\t') && (c != '(') && (c != 0))
			{
				pw++;
			}
			n_match = pw - pw_match;

			while(((c = *pw)==' ') || (c == '\t')) pw++;

			if(*pw == '(')
			{
				pw_post = pw;
				while(((c = *pw)!=' ') && (c != '\t') && (c != 0)) pw++;
				n_post = pw - pw_post;
				while(((c = *pw)==' ') || (c == '\t')) pw++;
			}

			if((*pw != 0) && ((*pw != '/') || (pw[1] != '/')))
			{
				pw_phonemes = pw;
				while(((c = *pw)!=' ') && (c != '\t') && (c != 0)) pw++;
				n_phonemes = pw - pw_phonemes;
				while(((c = *pw)==' ') || (c == '\t')) pw++;
			}

			// write formatted line
			p = buf;

			if(conditional[0] != 0)
			{
				ix = 0;
				while(conditional[ix] != 0)
				{
					*p++ = conditional[ix++];
					n_spaces--;
				}
				*p++ = ' ';
				n_spaces--;
			}

			while(n_spaces-- > 0)
			{
				*p++ = ' ';
			}
			if(n_pre > 0)
			{
				ix = 0;
				for(ix=0; ix<n_pre; ix++)
				{
					p += utf8_out(bufw[ix], p);
				}
				*p++ = ' ';
			}

			// write the match condition
			if(n_match > 0)
			{
				ix = 0;
				for(ix=0; ix<n_match; ix++)
				{
					p += utf8_out(pw_match[ix], p);
				}
				*p++ = ' ';
			}

			// write the post condition
			if(n_post > 0)
			{
				for(ix=0; ix<n_post; ix++)
				{
					p += utf8_out(pw_post[ix], p);
				}
				*p++ = ' ';
				n_post++;
			}

			n_out = tab1 + n_match + n_post;
			if(n_pre >= tab1)
				n_out += (n_pre - tab1 + 1);

			if(n_phonemes > 0)
			{
				n_spaces = tab2 - n_out;

				while(n_spaces-- > 0)
				{
					*p++ = ' ';
					n_out++;
				}

			// write the phoneme codes
				for(ix=0; ix<n_phonemes; ix++)
				{
					p += utf8_out(pw_phonemes[ix], p);
				}
			}

			if(*pw != 0)
			{
				*p++ = ' ';
				n_phonemes++;
				n_spaces = tab3 - (n_out + n_phonemes);

				while(n_spaces-- > 0)
				{
					*p++ = ' ';
				}
			}

			// write the remainer of the line
			while(*pw != 0)
			{
				p+= utf8_out(*pw++, p);
			}
			*p = 0;
		}

			if(formatting > 1)
				formatting--;

		fprintf(f_out, "%s\n", buf);
	}

	fclose(f_in);
	fclose(f_out);

	remove(fname_in);
	if(rename(fname_out, fname_in) == 0)
		wxLogStatus(_("Written to file: ") + wxString(fname_in,wxConvLocal));
	else
		wxLogStatus(_("Failed to rename: ") + wxString(fname_out,wxConvLocal));
}  // end of DictionaryFormat


//******************************************************************************************************


//#define calcspeedtab
#ifdef calcspeedtab
// used to set up the presets in the speed_lookup table
// interpolate between a set of measured wpm values
void SetSpeedTab(void)
{//===================
#define N_WPM   19

	// Interpolation table to translate from words-per-minute to internal speed
	// words-per-minute values (measured)
	static float wpm1[N_WPM] =
		{0, 82, 96, 108, 124, 134, 147, 162, 174, 189, 224, 259, 273, 289, 307, 326, 346, 361, 370 };
	// corresponding internal speed values
	static float wpm2[N_WPM] =
		{0,253,200, 170, 140, 125, 110,  95,  85,  75,  55,  40,  35,  30,  25,  20,  15,  10,  5 };

	unsigned char speed_lookup[290];
	unsigned int ix;
	float x;
	int speed_wpm;
	FILE *f;

	// convert from word-per-minute to internal speed code
	for(speed_wpm=80; speed_wpm<370; speed_wpm++)
	{
		for(ix=2; ix<N_WPM-2; ix++)
		{
			if(speed_wpm < wpm1[ix])
				break;
		}
		x = polint(&wpm1[ix-1], &wpm2[ix-1], 3, speed_wpm);

		speed_lookup[speed_wpm-80] = (unsigned char)x;
	}
	f = fopen("speed_lookup","w");
	if(f == NULL) return;
	for(ix=0; ix<sizeof(speed_lookup); ix++)
	{
		fprintf(f,"%4d,",speed_lookup[ix]);
		if((ix % 5) == 4)
			fprintf(f,"\t//%4d\n\t",(ix / 5)*5 + 80);
	}
	fclose(f);
}	// end of SetSpeedTab
#endif

//#define xcharset
#ifdef xcharset
#include "iconv.h"
void CharsetToUnicode(const char *charset)
{//=======================================
// write a 8bit charset to unicode translation table to file
// charset:  eg. "ISO-8859-1"
	iconv_t cd;
	unsigned char inbuf[4];
	size_t n_inbuf;
	unsigned char outbuf[12];
	size_t n_outbuf;
	int n;
	int ix;
	int x, y;
	FILE *f;
	char *p_inbuf;
	char *p_outbuf;

	f = fopen("/home/jsd1/tmp1/unicode1","a");

	cd = iconv_open("WCHAR_T",charset);
	if (cd == (iconv_t) -1)
	{
		fprintf(stderr,"Error - iconv_open\n");
		return;
	}

	fprintf(f,"towlower_tab\n   ");
	for(ix=0x80; ix<=0x241; ix++)
	{
		y = 0;
		if(iswalpha(ix))
		{
			x = towlower(ix);
			if(x == ix)
				y = 0xff;
			else
				y = x - ix;
		}
		if((y == 0xff) || (y < 0))
			fprintf(f,"0xff,");  // ignore the 5 obscure cases where uc > lc
		else
		{
			fprintf(f,"%4d,",y);
		}
		if((ix&15)==15)
			fprintf(f,"  // %x\n   ",ix & ~15);
	}

	fprintf(f,"\n%s\n   ",charset);
	for(ix=0x80; ix<0x100; ix++)
	{
		inbuf[0] = ix;
		inbuf[1] = 0;
		inbuf[2] = 0;
		outbuf[0] = 0;
		outbuf[1] = 0;
		n_inbuf = 2;
		n_outbuf = sizeof(outbuf);
		p_inbuf = (char *)inbuf;
		p_outbuf = (char *)outbuf;

		n = iconv(cd, &p_inbuf, &n_inbuf, &p_outbuf, &n_outbuf);

		fprintf(f,"0x%.2x%.2x, ",outbuf[1],outbuf[0]);
		if((ix&7)==7)
			fprintf(f,"// %.2x\n   ",ix & ~7);
	}
	fclose(f);

	iconv_close(cd);
}
#endif




#ifdef deleted
void Test2()
{
//
	char buf[120];
	FILE *f;
	FILE *f_out;
	unsigned char *p;

	f = fopen("/home/jsd1/tmp1/list","r");
	if(f == NULL) return;
	f_out = fopen("/home/jsd1/tmp1/list_out","w");
	if(f_out == NULL) return;

	while(!feof(f))
	{
		if(fgets(buf,sizeof(buf),f) == NULL)
			break;

		p = (unsigned char *)buf;
		while(*p > ' ') p++;
		*p = 0;
		fprintf(f_out,"%s . . .\n",buf);
	}
	fclose(f);
	fclose(f_out);
}

#endif

#define MAX_WALPHA  0x24f
void Make_walpha_tab()
{//===================
	int  ix;
	int  value;
	int  c;
	short exceptions[40];
	int  ex = 0;
	FILE *f;

	f = fopen("/home/jsd1/walpha_tab.txt","w");
	for(ix=0x80; ix<=MAX_WALPHA; ix++)
	{
		value = 0;
		if(iswalpha(ix))
		{
			value = 0xfe;  // no case
			if(iswlower(ix))
			{
				value = 0xff;
			}
			else if(iswupper(ix))
			{
				c = towlower(ix);
				if(c > 0)
					value = c - ix;

				if((value < 0) || (value > 0xfc))
				{
					exceptions[ex] = ix;
					exceptions[ex+1] = c;
					ex+=2;
					value = 0xfd;
				}
			}

		}

		if(value > 0xfc)
			fprintf(f," 0x%.2x,", value);
		else
			fprintf(f," %4d,", value);


		if((ix % 16) == 15)
		{
			fprintf(f," // %.3x\n", ix & 0xfff0);
		}

	}

	fprintf(f, "\nstatic const short wchar_tolower[] = {\n");

	for(ix=0; ix<ex; ix+=2)
	{
		fprintf(f,"\t0x%.3x, 0x%.3x,\n", exceptions[ix], exceptions[ix+1]);
	}
	fprintf(f, "\t0,0 };\n");

	fprintf(f, "\nstatic const short wchar_toupper[] = {\n");
	for(ix=0x80; ix<=MAX_WALPHA; ix++)
	{
		if(iswlower(ix))
		{
			c = towupper(ix);
			value =  ix - c;
			if((value != 32) && (value != 1))
			{
				fprintf(f,"\t0x%.3x, 0x%.3x,\n", ix, c);
			}
		}
	}
	fprintf(f, "\t0,0 };\n");

	fclose(f);
}


const char* text1 = "Hello world. Testing.";
extern void TestCompile2(void);

void TestTest(int control)
{//=======================
	FILE *f;
	unsigned int c;
	unsigned int ix=0;
	char textbuf[2000];
	espeak_VOICE voice;
	static unsigned int unique_identifier= 123;
	static int user_data = 456;

//CharsetToUnicode("ISO-8859-4");
//CharsetToUnicode("ISCII");


if(control==2)
{
	return;
}
	memset(&voice,0,sizeof(voice));

	f = fopen("/home/jsd1/speechdata/text/test.txt","r");
	if(f==NULL)
		return;


	while(!feof(f) && (ix < sizeof(textbuf)-2))
	{
		c = fgetc(f);
		if(!feof(f))
			textbuf[ix++] = c;
	}
	textbuf[ix] = 0;
	fclose(f);

	f_wavtest = OpenWaveFile3("/home/jsd1/speechdata/text/test.wav");
	f_events = fopen("/home/jsd1/speechdata/text/events","w");
	fprintf(f_events,"Type             Audio  Text  Length Id\n");
	fclose(f_events);

	espeak_Initialize(AUDIO_OUTPUT_RETRIEVAL, 1000, NULL, espeakINITIALIZE_PHONEME_EVENTS);
	espeak_SetSynthCallback(TestSynthCallback);
	espeak_SetUriCallback(TestUriCallback);

	voice.languages = "fr";
	espeak_SetVoiceByProperties(&voice);
//	espeak_SetVoiceByName("fr");
	espeak_Synth("1", 5, 0,  POS_CHARACTER, 0,  espeakSSML|espeakCHARS_UTF8, &unique_identifier, (void *)user_data);

//	voice.languages = "en";
//	espeak_SetVoiceByProperties(&voice);
	espeak_SetVoiceByName("de");
	espeak_Synth(textbuf, strlen(textbuf)+1, 0, POS_CHARACTER, 0,  espeakSSML|espeakCHARS_UTF8, &unique_identifier, (void *)user_data);
//    espeak_Synth(text1, strlen(text1)+1, 0, POS_CHARACTER, 0,  espeakSSML|espeakCHARS_UTF8, &unique_identifier, (void *)(user_data+1));

  espeak_SetParameter(espeakPUNCTUATION, 1, 0);
  espeak_Synchronize();
  //  espeak_Cancel();
  espeak_SetParameter(espeakPUNCTUATION, 1, 0);

}


