public ParseResultCollection Parse(int startIndex)
{
string _text = context.Text;
ParserPattern _pattern = context.Pattern;
int k = startIndex;
char ch;
StringBuilder sb = new StringBuilder(10);
ParseResultCollection prc = new ParseResultCollection();
if (_text[startIndex] == ' ' || _text[startIndex] == ' ')
return prc;
int braceStartPos = -1;
while (k < _text.Length)
{
ch = _text[k];
if (!IsAllowedChar(ch,_pattern))
break;
if (ch >= '０' && ch <= '９')
ch = (char)(ch - '０' + '0');
if (ch == ' ')
{
ch = ' ';
}
else if (ch == '（')
ch = '(';
else if (ch == '）')
ch = ')';
else if (ch == '－' || ch == '—')
ch = '-';
if (ch == '(')
braceStartPos = k;
else if (ch == ')')
braceStartPos = -1;
sb.Append(ch);
k++;
}
string allowedString = sb.ToString().TrimEnd();
if (braceStartPos >= 0)
{
allowedString = allowedString.Substring(0, braceStartPos);
}
if (allowedString.Length<3||allowedString.Length==4)
return prc;
bool bNumberInBrace = false;
bool bCountryCodeStarted = false;
bool bAreaCodeStarted = false;
bool bExtStarted = false;
int i = 0;
StringBuilder segment = new StringBuilder();
StringBuilder whole = new StringBuilder();
PhoneNo phone = new PhoneNo();
if (_pattern == ParserPattern.China)
{
while (i < allowedString.Length)
{
ch = allowedString[i];
if (ch == '(')
{
bNumberInBrace = true;
bCountryCodeStarted = false;
whole.Append(ch);
}
else if (NumeralUtil.IsArabicNumeral(ch))
{
if (segment.Length == 0 && !bAreaCodeStarted
&& phone.AreaCode == null && !bCountryCodeStarted)
bAreaCodeStarted = true;
segment.Append(ch);
whole.Append(ch);
}
else if (ch == ')' && bNumberInBrace)
{
if (bCountryCodeStarted)
{
if (segment.Length > 0)
phone.CountryCode = segment.ToString();
bCountryCodeStarted = false;
}
if (bAreaCodeStarted)
{
if (segment.Length > 0 && (segment[0] == '0' ? segment.Length <= 4 : segment.Length <= 3)) //城市代码以0开头，最多4个数字；不以0开头，三个数字
phone.AreaCode = segment.ToString();
bAreaCodeStarted = false;
}
whole.Append(ch);
segment = new StringBuilder();
bNumberInBrace = false;
}
else if (ch == ' ')
{
if (bCountryCodeStarted)
{
if (segment.Length > 0)
phone.CountryCode = segment.ToString();
bCountryCodeStarted = false;
}
else if (bAreaCodeStarted)
{
if (segment.Length > 0)
phone.AreaCode = segment.ToString();
bAreaCodeStarted = false;
}
else if (segment.Length > 0)
{
AssignPhoneMain(segment, phone);
}
segment = new StringBuilder();
bCountryCodeStarted = false;
whole.Append(ch);
}
else if (ch == '-' || ch == '#')
{
if (segment[0] == '0' && (segment.Length == 3 || segment.Length == 4))
{
phone.AreaCode = segment.ToString();
}else if (segment.Length > 0)
{
AssignPhoneMain(segment, phone);
bExtStarted = true;
}
segment = new StringBuilder();
whole.Append(ch);
}
else if (ch == '+')
{
whole.Append(ch);
bCountryCodeStarted = true;
}
i++;
}
if (segment.Length > 0)
{
AssignPhoneMain(segment, phone);
if (bExtStarted)
{
phone.Extension = segment.ToString();
bExtStarted = false;
}
}
}
else if (_pattern == ParserPattern.NorthAmerica)
{
while (i < allowedString.Length)
{
ch = allowedString[i];
if (NumeralUtil.IsArabicNumeral(ch))
{
whole.Append(ch);
segment.Append(ch);
}
else if (ch == ' ')
{
whole.Append(ch);
}
else if (ch == '(')
{
bAreaCodeStarted = true;
whole.Append(ch);
}
else if (ch == ')')
{
if (bAreaCodeStarted)
{
if (segment.Length > 0)
phone.AreaCode = segment.ToString();
bAreaCodeStarted = false;
}
segment = new StringBuilder();
whole.Append(ch);
}
else if (ch == '-')
{
if (bCountryCodeStarted)
{
if (segment.Length > 0)
phone.CountryCode = segment.ToString();
bCountryCodeStarted = false;
bAreaCodeStarted = true;
}
else if (bAreaCodeStarted)
{
if (segment.Length > 0)
phone.AreaCode = segment.ToString();
bAreaCodeStarted = false;
}
else if (segment.Length > 0)
{
AssignPhoneMain(segment, phone);
}
whole.Append(ch);
segment = new StringBuilder();
}
else if (ch == '+')
{
bCountryCodeStarted = true;
whole.Append(ch);
}
else if (ch == '.')
{
if (segment.ToString() != "ext")
break;
whole.Append("ext.");
}
else if (ch == 'e' || ch == 'x' || ch == 't')
{
segment.Append(ch);
}
i++;
}
if (segment.Length > 0)
{
AssignPhoneMain(segment, phone);
if (bExtStarted)
{
phone.Extension = segment.ToString();
bExtStarted = false;
}
}
}
else
{
throw new NotImplementedException("Phone No. in "+_pattern.ToString()+" is not implemented in the parser.");
}
if (whole.Length > 0 && phone.Main!=null)
{
prc.Add(ParseResult.Create(whole.ToString(), startIndex, POSType.A_M, phone));
}
return prc;
}
void AssignPhoneMain(StringBuilder segment, PhoneNo phone)
{
ParserPattern _pattern = context.Pattern;
char separator = ' ';
int bSeparatorLen = 0;
if (_pattern == ParserPattern.NorthAmerica)
{
separator = '-';
}
if (phone.Main == null)
{
phone.Main = segment.ToString();
}
else if (phone.Main.Length < 5)
{
phone.Main += separator + segment.ToString();
bSeparatorLen = 1;
}
if (IsMobileNo(phone.Main, _pattern))
{
phone.IsMobile = true;
}
else
{
//非手机号码，8位
if (_pattern == ParserPattern.China && phone.Main.Length > 8 + bSeparatorLen)
{
phone.Main = null;
}
}
}