code cleanup: move Is*() helper functions to common.c

src/libespeak-ng/common.c

 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
+#include <wctype.h>
 
 #include <espeak-ng/espeak_ng.h>
 #include <espeak-ng/speak_lib.h>
 }
 
 
+int IsAlpha(unsigned int c)
+{
+	// Replacement for iswalph() which also checks for some in-word symbols
+
+	static const unsigned short extra_indic_alphas[] = {
+		0xa70, 0xa71, // Gurmukhi: tippi, addak
+		0
+	};
+
+	if (iswalpha(c))
+		return 1;
+
+	if (c < 0x300)
+		return 0;
+
+	if ((c >= 0x901) && (c <= 0xdf7)) {
+		// Indic scripts: Devanagari, Tamil, etc
+		if ((c & 0x7f) < 0x64)
+			return 1;
+		if (lookupwchar(extra_indic_alphas, c) != 0)
+			return 1;
+		if ((c >= 0xd7a) && (c <= 0xd7f))
+			return 1; // malaytalam chillu characters
+
+		return 0;
+	}
+
+	if ((c >= 0x5b0) && (c <= 0x5c2))
+		return 1; // Hebrew vowel marks
+
+	if (c == 0x0605)
+		return 1;
+
+	if ((c == 0x670) || ((c >= 0x64b) && (c <= 0x65e)))
+		return 1; // arabic vowel marks
+
+	if ((c >= 0x300) && (c <= 0x36f))
+		return 1; // combining accents
+
+	if ((c >= 0xf40) && (c <= 0xfbc))
+		return 1; // tibetan
+
+	if ((c >= 0x1100) && (c <= 0x11ff))
+		return 1; // Korean jamo
+
+	if ((c >= 0x2800) && (c <= 0x28ff))
+		return 1; // braille
+
+	if ((c > 0x3040) && (c <= 0xa700))
+		return 1; // Chinese/Japanese.  Should never get here, but Mac OS 10.4's iswalpha seems to be broken, so just make sure
+
+	return 0;
+}
+
+// brackets, also 0x2014 to 0x021f which don't need to be in this list
+static const unsigned short brackets[] = {
+	'(', ')', '[', ']', '{', '}', '<', '>', '"', '\'', '`',
+	0xab,   0xbb,   // double angle brackets
+	0x300a, 0x300b, // double angle brackets (ideograph)
+	0xe000+'<',     // private usage area
+	0
+};
+
+int IsBracket(int c)
+{
+	if ((c >= 0x2014) && (c <= 0x201f))
+		return 1;
+	return lookupwchar(brackets, c);
+}
+
+int IsDigit09(unsigned int c)
+{
+	if ((c >= '0') && (c <= '9'))
+		return 1;
+	return 0;
+}
+
+int IsDigit(unsigned int c)
+{
+	if (iswdigit(c))
+		return 1;
+
+	if ((c >= 0x966) && (c <= 0x96f))
+		return 1;
+
+	return 0;
+}
+
+int IsSpace(unsigned int c)
+{
+	if (c == 0)
+		return 0;
+	if ((c >= 0x2500) && (c < 0x25a0))
+		return 1; // box drawing characters
+	if ((c >= 0xfff9) && (c <= 0xffff))
+		return 1; // unicode specials
+	return iswspace(c);
+}
+
+int isspace2(unsigned int c)
+{
+	// can't use isspace() because on Windows, isspace(0xe1) gives TRUE !
+	int c2;
+
+	if (((c2 = (c & 0xff)) == 0) || (c > ' '))
+		return 0;
+	return 1;
+}
+
 int is_str_totally_null(const char* str, int size) {
 	// Tests if all bytes of str are null up to size
 	// This should never be reimplemented with integers, because

src/libespeak-ng/common.h

 extern ESPEAK_NG_API int GetFileLength(const char *filename);
 extern ESPEAK_NG_API void strncpy0(char *to, const char *from, int size);
 
+int IsAlpha(unsigned int c);
+int IsBracket(int c);
+int IsDigit(unsigned int c);
+int IsDigit09(unsigned int c);
+int IsSpace(unsigned int c);
+int isspace2(unsigned int c);
 int is_str_totally_null(const char* str, int size); // Tests if all bytes of str up to size are null
 int Read4Bytes(FILE *f);
 int towlower2(unsigned int c, Translator *translator); // Supports Turkish I

src/libespeak-ng/compiledict.c

 #include "phoneme.h"              // for PHONEME_TAB_LIST, phonSWITCH, phone...
 #include "speech.h"		// for path_home
 #include "synthesize.h"           // for Write4Bytes
-#include "translate.h"            // for isspace2, IsDigit09, utf8_in, utf8_out
 
 static FILE *f_log = NULL;
 

src/libespeak-ng/numbers.c

 #include "readclause.h"  // for WordToString2
 #include "synthdata.h"   // for SelectPhonemeTable
 #include "synthesize.h"  // for phoneme_tab
-#include "translate.h"   // for Translator, LANGUAGE_OPTIONS, IsDigit09, WOR...
+#include "translate.h"   // for Translator, LANGUAGE_OPTIONS, WOR...
 #include "voice.h"       // for voice, voice_t
 
 #define M_LIGATURE  0x8000

src/libespeak-ng/ssml.c

 #include "readclause.h"           // for PARAM_STACK, param_stack, AddNameData
 #include "soundicon.h"               // for LoadSoundFile2
 #include "synthesize.h"           // for SPEED_FACTORS, speed
-#include "translate.h"            // for CTRL_EMBEDDED, IsDigit09, utf8_out
+#include "translate.h"            // for CTRL_EMBEDDED
 #include "voice.h"                // for SelectVoice, SelectVoiceByName
 #include "speech.h"               // for MAKE_MEM_UNDEFINED
 

src/libespeak-ng/translate.c

 int n_replace_phonemes;
 REPLACE_PHONEMES replace_phonemes[N_REPLACE_PHONEMES];
 
-// brackets, also 0x2014 to 0x021f which don't need to be in this list
-static const unsigned short brackets[] = {
-	'(', ')', '[', ']', '{', '}', '<', '>', '"', '\'', '`',
-	0xab,   0xbb,   // double angle brackets
-	0x300a, 0x300b, // double angle brackets (ideograph)
-	0xe000+'<',     // private usage area
-	0
-};
-
 // other characters which break a word, but don't produce a pause
 static const unsigned short breaks[] = { '_', 0 };
 
-int IsAlpha(unsigned int c)
-{
-	// Replacement for iswalph() which also checks for some in-word symbols
-
-	static const unsigned short extra_indic_alphas[] = {
-		0xa70, 0xa71, // Gurmukhi: tippi, addak
-		0
-	};
-
-	if (iswalpha(c))
-		return 1;
-
-	if (c < 0x300)
-		return 0;
-
-	if ((c >= 0x901) && (c <= 0xdf7)) {
-		// Indic scripts: Devanagari, Tamil, etc
-		if ((c & 0x7f) < 0x64)
-			return 1;
-		if (lookupwchar(extra_indic_alphas, c) != 0)
-			return 1;
-		if ((c >= 0xd7a) && (c <= 0xd7f))
-			return 1; // malaytalam chillu characters
-
-		return 0;
-	}
-
-	if ((c >= 0x5b0) && (c <= 0x5c2))
-		return 1; // Hebrew vowel marks
-
-	if (c == 0x0605)
-		return 1;
-
-	if ((c == 0x670) || ((c >= 0x64b) && (c <= 0x65e)))
-		return 1; // arabic vowel marks
-
-	if ((c >= 0x300) && (c <= 0x36f))
-		return 1; // combining accents
-
-	if ((c >= 0xf40) && (c <= 0xfbc))
-		return 1; // tibetan
-
-	if ((c >= 0x1100) && (c <= 0x11ff))
-		return 1; // Korean jamo
-
-	if ((c >= 0x2800) && (c <= 0x28ff))
-		return 1; // braille
-
-	if ((c > 0x3040) && (c <= 0xa700))
-		return 1; // Chinese/Japanese.  Should never get here, but Mac OS 10.4's iswalpha seems to be broken, so just make sure
-
-	return 0;
-}
-
-int IsDigit09(unsigned int c)
-{
-	if ((c >= '0') && (c <= '9'))
-		return 1;
-	return 0;
-}
-
-int IsDigit(unsigned int c)
-{
-	if (iswdigit(c))
-		return 1;
-
-	if ((c >= 0x966) && (c <= 0x96f))
-		return 1;
-
-	return 0;
-}
-
-static int IsSpace(unsigned int c)
-{
-	if (c == 0)
-		return 0;
-	if ((c >= 0x2500) && (c < 0x25a0))
-		return 1; // box drawing characters
-	if ((c >= 0xfff9) && (c <= 0xffff))
-		return 1; // unicode specials
-	return iswspace(c);
-}
-
-int isspace2(unsigned int c)
-{
-	// can't use isspace() because on Windows, isspace(0xe1) gives TRUE !
-	int c2;
-
-	if (((c2 = (c & 0xff)) == 0) || (c > ' '))
-		return 0;
-	return 1;
-}
-
 void DeleteTranslator(Translator *tr)
 {
 	if (!tr) return;
 	return 0;
 }
 
-int IsBracket(int c)
-{
-	if ((c >= 0x2014) && (c <= 0x201f))
-		return 1;
-	return lookupwchar(brackets, c);
-}
-
 char *strchr_w(const char *s, int c)
 {
 	// return NULL for any non-ascii character

src/libespeak-ng/translate.h

 
 int lookupwchar(const unsigned short *list, int c);
 char *strchr_w(const char *s, int c);
-int IsBracket(int c);
 void InitNamedata(void);
 void InitText(int flags);
 void InitText2(void);
-int IsDigit(unsigned int c);
-int IsDigit09(unsigned int c);
-int IsAlpha(unsigned int c);
-int isspace2(unsigned int c);
 ALPHABET *AlphabetFromChar(int c);
 
 Translator *SelectTranslator(const char *name);