static char *
strdupReadString(Parcel &p)
{
size_t stringlen;
const char16_t *s16;
s16 = p.readString16Inplace(&stringlen);
return strndup16to8(s16, stringlen);
}
void SvoxSsmlParser::startElement(const XML_Char* element, const XML_Char** attributes)
{
if (strcmp(element, "speak") == 0)
{
if (strlen(m_data) > 0)
{
/* we have old data, get rid of it and reallocate memory */
delete m_data;
m_data = NULL;
m_datasize = 512;
m_data = new char[m_datasize];
if (!m_data)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
/* the only attribute supported in the speak tag is xml:lang, all others are ignored */
for (int i = 0; attributes[i]; i += 2)
{
if (strcmp(attributes[i], "xml:lang") == 0)
{
if (!m_docLanguage)
{
m_docLanguage = new char[strlen(attributes[i+1])+1];
}
strcpy(m_docLanguage, attributes[i+1]);
break;
}
}
}
else if (strcmp(element, "p") == 0) /* currently no attributes are supported for <p> */
{
if (strlen(m_data) + 4 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, "<p>");
}
else if (strcmp(element, "s") == 0) /* currently no attributes are supported for <s> */
{
if (strlen(m_data) + 4 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, "<s>");
}
else if (strcmp(element, "phoneme") == 0) /* only ipa and xsampa alphabets are supported */
{
int alpha = 1; /* set to 1 if alphabet is ipa */
int tagComplete = 0; /* set to 1 if phoneme tag has already been added */
char16_t* ph = NULL;
char* xsampastr = NULL;
size_t phsize = 0;
size_t xsampasize = 0;
for (int i = 0; attributes[i]; i += 2)
{
if (strcmp(attributes[i], "alphabet") == 0)
{
if (strcmp(attributes[i+1], "xsampa") == 0)
{
alpha = 0;
}
}
if (strcmp(attributes[i], "ph") == 0)
{
ph = new char16_t[strlen8to16(attributes[i+1]) + 1];
ph = strdup8to16(attributes[i+1], &phsize);
}
}
if (!ph)
{
/* error, no phonetic string */
ALOGE("Error: bad SSML syntax, ph attribute not supplied.");
return;
}
if (alpha)
{
/* need to convert phoneme string to xsampa */
xsampasize = cnvIpaToXsampa(ph, phsize, &xsampastr);
delete [] ph;
if (!xsampastr)
{
ALOGE("Error: failed to allocate memory for IPA string conversion");
return;
}
}
else
{
xsampastr = strndup16to8(ph, phsize);
xsampasize = strlen(xsampastr);
delete [] ph;
}
/* split XSAMPA string into multiple phonemes if needed */
if (strstr(xsampastr, " ") || strstr(xsampastr, "#")) /* check again to see if we have multiple words */
{
char* phonstr = createPhonemeString(xsampastr, strlen(xsampastr) + 1);
free(xsampastr);
xsampastr = NULL;
xsampastr = (char*)malloc(strlen(phonstr) + 1);
strcpy(xsampastr, phonstr);
free(phonstr);
phonstr = NULL;
tagComplete = 1;
}
if (tagComplete)
{
if (strlen(m_data) + strlen(xsampastr) + 1 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!");
free(xsampastr);
return;
}
}
}
else
{
if (strlen(m_data) + strlen(xsampastr) + 17 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!");
free(xsampastr);
return;
}
}
strcat(m_data, "<phoneme ph='");
}
strcat(m_data, xsampastr);
free(xsampastr);
if (!tagComplete)
{
if (strlen(m_data) + 4 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, "'/>");
}
m_isInBreak = 1; /* set flag to indicate any text between open and close tag is to be discarded */
}
else if (strcmp(element, "break") == 0)
{
if (strlen(m_data) + 17 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, "<break time='");
char* time = NULL;
for (int i = 0; attributes[i]; i += 2)
{
if (strcmp(attributes[i], "time") == 0)
{
time = new char[strlen(attributes[i+1]) + 1];
if (!time)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
strcpy(time, attributes[i+1]);
}
else if (strcmp(attributes[i], "strength") == 0 && !time)
{
time = convertBreakStrengthToTime(attributes[i+1]);
}
}
if (!time)
{
time = new char[6];
if (!time)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
strcpy(time, SSML_BREAK_WEAK); /* if no time or strength attributes are specified, default to weak break */
}
if (strlen(m_data) + strlen(time) + 4 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, time);
strcat(m_data, "'/>");
m_isInBreak = 1; /* set flag to indicate any text between open and close tag is to be discarded */
}
else if (strcmp(element, "prosody") == 0) /* only pitch, rate and volume attributes are supported */
{
for (int i = 0; attributes[i]; i += 2)
{
if (strcmp(attributes[i], "pitch") == 0)
{
char* svoxpitch = convertToSvoxPitch(attributes[i+1]);
if (!svoxpitch)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
if (!svoxpitch)
{
svoxpitch = new char[4];
if (!svoxpitch)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
strcpy(svoxpitch, "100");
}
char* pitch = new char[17 + strlen(svoxpitch)];
if (!pitch)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
sprintf(pitch, "<pitch level='%s'>", svoxpitch);
if (strlen(m_data) + strlen(pitch) + 1 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, pitch);
if (!m_appendix)
{
m_appendix = new char[30];
m_appendix[0] = '\0';
}
strcat(m_appendix, "</pitch>");
delete [] svoxpitch;
delete [] pitch;
}
else if (strcmp(attributes[i], "rate") == 0)
{
char* svoxrate = convertToSvoxRate(attributes[i+1]);
if (!svoxrate)
{
svoxrate = new char[4];
if (!svoxrate)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
strcpy(svoxrate, "100");
}
char* rate = new char[17 + strlen(svoxrate)];
if (!rate)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
sprintf(rate, "<speed level='%s'>", svoxrate);
if (strlen(m_data) + strlen(rate) + 1 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, rate);
if (!m_appendix)
{
m_appendix = new char[30];
if (!m_appendix)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
m_appendix[0] = '\0';
}
strcat(m_appendix, "</speed>");
delete [] svoxrate;
delete [] rate;
}
else if (strcmp(attributes[i], "volume") == 0)
{
char* svoxvol = convertToSvoxVolume(attributes[i+1]);
if (!svoxvol)
{
svoxvol = new char[4];
if (!svoxvol)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
strcpy(svoxvol, "100");
}
char* volume = new char[18 + strlen(svoxvol)];
if (!volume)
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
sprintf(volume, "<volume level='%s'>", svoxvol);
if (strlen(m_data) + strlen(volume) + 1 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, volume);
if (!m_appendix)
{
m_appendix = new char[30];
m_appendix[0] = '\0';
}
strcat(m_appendix, "</volume>");
delete [] svoxvol;
delete [] volume;
}
}
}
else if (strcmp(element, "audio") == 0) /* only 16kHz 16bit wav files are supported as src */
{
if (strlen(m_data) + 17 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, "<usesig file='");
for (int i = 0; attributes[i]; i += 2)
{
if (strcmp(attributes[i], "src") == 0)
{
if (strlen(m_data) + strlen(attributes[i+1]) + 1 > (size_t)m_datasize)
{
if (!growDataSize(100))
{
ALOGE("Error: failed to allocate memory for string!\n");
return;
}
}
strcat(m_data, attributes[i+1]);
}
}
strcat(m_data, "'>");
}
}
