void FindReset(FindState* state)
{
memset(state, 0, sizeof(FindState));
state->mCurrent = ' ';
FindResetNumber(state);
}
FoundState FindPartialNumber(const UChar* chars, unsigned length,
FindState* s)
{
char* pattern = s->mPattern;
UChar* store = s->mStorePtr;
const UChar* start = chars;
const UChar* end = chars + length;
const UChar* lastDigit = 0;
string16 search16(chars, length);
std::string searchSpace = UTF16ToUTF8(search16);
retry:
do {
bool initialized = s->mInitialized;
while (chars < end) {
if (initialized == false) {
s->mBackTwo = s->mBackOne;
s->mBackOne = s->mCurrent;
}
UChar ch = s->mCurrent = *chars;
do {
char patternChar = *pattern;
switch (patternChar) {
case '2':
if (initialized == false) {
s->mStartResult = chars - start;
initialized = true;
}
case '0':
case '1':
if (ch < patternChar || ch > '9')
goto resetPattern;
*store++ = ch;
pattern++;
lastDigit = chars;
goto nextChar;
case '\0':
if (WTF::isASCIIDigit(ch) == false) {
*store = '\0';
goto checkMatch;
}
goto resetPattern;
case ' ':
if (ch == patternChar)
goto nextChar;
break;
case '(':
if (ch == patternChar) {
s->mStartResult = chars - start;
initialized = true;
s->mOpenParen = true;
}
goto commonPunctuation;
case ')':
if ((ch == patternChar) ^ s->mOpenParen)
goto resetPattern;
default:
commonPunctuation:
if (ch == patternChar) {
pattern++;
goto nextChar;
}
}
} while (++pattern); // never false
nextChar:
chars++;
}
break;
resetPattern:
if (s->mContinuationNode)
return FOUND_NONE;
FindResetNumber(s);
pattern = s->mPattern;
store = s->mStorePtr;
} while (++chars < end);
checkMatch:
/*
* A few interesting cases:
* 03122572251 3122572251 # two numbers, s->mBackOne = 0, return second
* 013122572251 3122572251 # two numbers, s->mBackOne = 1, s->mBackTwo = 0, return second
* 113122572251 3122572251 # two numbers, s->mBackOne = 1, s->mBackTwo = 1, return second
*
* The prefix of above US phone number is "0" or "01" or "11".
* Such as three cases mentioned above, the first group phone number
* is invalid, but the detection blocks also have a telephone number,
* the second valid phone number should be detected.
*/
if (WTF::isASCIIDigit(s->mBackOne != '1' ? s->mBackOne : s->mBackTwo)) {
if(++chars < end) {
if (s->mContinuationNode) {
return FOUND_NONE;
}
FindResetNumber(s);
pattern = s->mPattern;
store = s->mStorePtr;
goto retry;
} else {
return FOUND_NONE;
}
}
*store = '\0';
s->mStorePtr = store;
s->mPattern = pattern;
s->mEndResult = lastDigit - start + 1;
char pState = pattern[0];
return pState == '\0' ? FOUND_COMPLETE : pState == '(' || (WTF::isASCIIDigit(pState) && WTF::isASCIIDigit(pattern[-1])) ?
FOUND_NONE : FOUND_PARTIAL;
}
FoundState FindPartialNumber(const UChar* chars, unsigned length,
FindState* s)
{
char* pattern = s->mPattern;
UChar* store = s->mStorePtr;
// CAPPFIX_WEB_NUMBER_PASSING
int len = 0;
// CAPPFIX_WEB_NUMBER_PASSING_END
const UChar* start = chars;
const UChar* end = chars + length;
const UChar* lastDigit = 0;
string16 search16(chars, length);
std::string searchSpace = UTF16ToUTF8(search16);
do {
bool initialized = s->mInitialized;
while (chars < end) {
if (initialized == false) {
s->mBackTwo = s->mBackOne;
s->mBackOne = s->mCurrent;
}
UChar ch = s->mCurrent = *chars;
do {
char patternChar = *pattern;
switch (patternChar) {
case '2':
if (initialized == false) {
s->mStartResult = chars - start;
initialized = true;
}
case '0':
case '1':
// CAPPFIX_WEB_NUMBER_PASSING
if (ch < '0' || ch > '9')
if ( ch != '+' )
goto resetPattern;
*store++ = ch;
len++;
// CAPPFIX_WEB_NUMBER_PASSING_END
pattern++;
lastDigit = chars;
goto nextChar;
// CAPPFIX_WEB_NUMBER_PASSING
case '9':
if (ch < '0' || ch > '9') {
break;
} else {
*store++ = ch;
len++;
pattern++;
lastDigit = chars;
goto nextChar;
}
// CAPPFIX_WEB_NUMBER_PASSING_END
case '\0':
if (WTF::isASCIIDigit(ch) == false) {
*store = '\0';
goto checkMatch;
}
goto resetPattern;
case ' ':
// CAPPFIX_WEB_NUMBER_PASSING
case 'S':
if (ch == ' ')
goto nextChar;
break;
// CAPPFIX_WEB_NUMBER_PASSING_END
case '(':
if (ch == patternChar) {
s->mStartResult = chars - start;
initialized = true;
s->mOpenParen = true;
}
goto commonPunctuation;
case ')':
if ((ch == patternChar) ^ s->mOpenParen)
goto resetPattern;
default:
commonPunctuation:
if (ch == patternChar) {
pattern++;
goto nextChar;
}
}
} while (++pattern); // never false
nextChar:
chars++;
}
break;
resetPattern:
if (s->mContinuationNode)
return FOUND_NONE;
FindResetNumber(s);
pattern = s->mPattern;
store = s->mStorePtr;
// CAPPFIX_WEB_NUMBER_PASSING
len = 0;
// CAPPFIX_WEB_NUMBER_PASSING_END
} while (++chars < end);
checkMatch:
if (WTF::isASCIIDigit(s->mBackOne != '1' ? s->mBackOne : s->mBackTwo)) {
return FOUND_NONE;
}
*store = '\0';
s->mStorePtr = store;
s->mPattern = pattern;
s->mEndResult = lastDigit - start + 1;
char pState = pattern[0];
// CAPPFIX_WEB_NUMBER_PASSING
if ( len > 6 && len < 15)
if ( (pState == '\0') || (pState == '9') || (pState == 'S') )
return FOUND_COMPLETE;
if ( pState == '(' || (WTF::isASCIIDigit(pState) && WTF::isASCIIDigit(pattern[-1])) )
return FOUND_NONE;
else
return FOUND_PARTIAL;
// CAPPFIX_WEB_NUMBER_PASSING_END
}
