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set eol-style to native
This commit is contained in:
Guenter Obiltschnig
@@ -1,369 +1,369 @@
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//
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// DateTimeParser.cpp
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//
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// $Id: //poco/1.2/Foundation/src/DateTimeParser.cpp#1 $
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//
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// Library: Foundation
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// Package: DateTime
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// Module: DateTimeParser
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//
|
||||
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
||||
// and Contributors.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person or organization
|
||||
// obtaining a copy of the software and accompanying documentation covered by
|
||||
// this license (the "Software") to use, reproduce, display, distribute,
|
||||
// execute, and transmit the Software, and to prepare derivative works of the
|
||||
// Software, and to permit third-parties to whom the Software is furnished to
|
||||
// do so, all subject to the following:
|
||||
//
|
||||
// The copyright notices in the Software and this entire statement, including
|
||||
// the above license grant, this restriction and the following disclaimer,
|
||||
// must be included in all copies of the Software, in whole or in part, and
|
||||
// all derivative works of the Software, unless such copies or derivative
|
||||
// works are solely in the form of machine-executable object code generated by
|
||||
// a source language processor.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
||||
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
||||
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
||||
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
// DEALINGS IN THE SOFTWARE.
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||||
//
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||||
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||||
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#include "Poco/DateTimeParser.h"
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#include "Poco/DateTimeFormat.h"
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#include "Poco/DateTime.h"
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#include "Poco/Exception.h"
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#include <ctype.h>
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namespace Poco {
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#define SKIP_JUNK() \
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while (it != end && !isdigit(*it)) ++it
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#define PARSE_NUMBER(var) \
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while (it != end && isdigit(*it)) var = var*10 + ((*it++) - '0')
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||||
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#define PARSE_NUMBER_N(var, n) \
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{ int i = 0; while (i++ < n && it != end && isdigit(*it)) var = var*10 + ((*it++) - '0'); }
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||||
|
||||
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void DateTimeParser::parse(const std::string& fmt, const std::string& str, DateTime& dateTime, int& timeZoneDifferential)
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{
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int year = 0;
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int month = 0;
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int day = 0;
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int hour = 0;
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int minute = 0;
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int second = 0;
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int millis = 0;
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int tzd = 0;
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std::string::const_iterator it = str.begin();
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std::string::const_iterator end = str.end();
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std::string::const_iterator itf = fmt.begin();
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std::string::const_iterator endf = fmt.end();
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||||
|
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while (itf != endf && it != end)
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{
|
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if (*itf == '%')
|
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{
|
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if (++itf != endf)
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||||
{
|
||||
switch (*itf)
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||||
{
|
||||
case 'w':
|
||||
case 'W':
|
||||
while (it != end && isspace(*it)) ++it;
|
||||
while (it != end && isalpha(*it)) ++it;
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||||
break;
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case 'b':
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||||
case 'B':
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month = parseMonth(it, end);
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break;
|
||||
case 'd':
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||||
case 'e':
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case 'f':
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SKIP_JUNK();
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PARSE_NUMBER_N(day, 2);
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break;
|
||||
case 'm':
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||||
case 'n':
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||||
case 'o':
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||||
SKIP_JUNK();
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PARSE_NUMBER_N(month, 2);
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||||
break;
|
||||
case 'y':
|
||||
SKIP_JUNK();
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||||
PARSE_NUMBER(year);
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if (year < 1000)
|
||||
{
|
||||
if (year >= 70)
|
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year += 1900;
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||||
else
|
||||
year += 2000;
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}
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break;
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||||
case 'Y':
|
||||
SKIP_JUNK();
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PARSE_NUMBER_N(year, 4);
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||||
break;
|
||||
case 'H':
|
||||
case 'h':
|
||||
SKIP_JUNK();
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||||
PARSE_NUMBER_N(hour, 2);
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||||
break;
|
||||
case 'a':
|
||||
case 'A':
|
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hour = parseAMPM(it, end, hour);
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break;
|
||||
case 'M':
|
||||
SKIP_JUNK();
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||||
PARSE_NUMBER_N(minute, 2);
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break;
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case 'S':
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SKIP_JUNK();
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||||
PARSE_NUMBER_N(second, 2);
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||||
break;
|
||||
case 'i':
|
||||
SKIP_JUNK();
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||||
PARSE_NUMBER_N(millis, 3);
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break;
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||||
case 'c':
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||||
SKIP_JUNK();
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||||
PARSE_NUMBER_N(millis, 1);
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millis *= 100;
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break;
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||||
case 'z':
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||||
case 'Z':
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tzd = parseTZD(it, end);
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break;
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}
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++itf;
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}
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}
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else ++itf;
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}
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if (month == 0) month = 1;
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if (day == 0) day = 1;
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dateTime.assign(year, month, day, hour, minute, second, millis);
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timeZoneDifferential = tzd;
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}
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DateTime DateTimeParser::parse(const std::string& fmt, const std::string& str, int& timeZoneDifferential)
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{
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DateTime result;
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parse(fmt, str, result, timeZoneDifferential);
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return result;
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}
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||||
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bool DateTimeParser::tryParse(const std::string& fmt, const std::string& str, DateTime& dateTime, int& timeZoneDifferential)
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{
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try
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{
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parse(fmt, str, dateTime, timeZoneDifferential);
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}
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catch (Exception&)
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||||
{
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||||
return false;
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||||
}
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||||
return true;
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||||
}
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||||
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||||
|
||||
void DateTimeParser::parse(const std::string& str, DateTime& dateTime, int& timeZoneDifferential)
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{
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if (!tryParse(str, dateTime, timeZoneDifferential))
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throw SyntaxException("Unsupported or invalid date/time format");
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||||
}
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||||
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||||
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||||
DateTime DateTimeParser::parse(const std::string& str, int& timeZoneDifferential)
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||||
{
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DateTime result;
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if (tryParse(str, result, timeZoneDifferential))
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||||
return result;
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||||
else
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throw SyntaxException("Unsupported or invalid date/time format");
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||||
}
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||||
|
||||
|
||||
bool DateTimeParser::tryParse(const std::string& str, DateTime& dateTime, int& timeZoneDifferential)
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{
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if (str.length() < 4) return false;
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||||
if (str[3] == ',')
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return tryParse(DateTimeFormat::RFC822_FORMAT, str, dateTime, timeZoneDifferential);
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else if (str[3] == ' ')
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return tryParse(DateTimeFormat::ASCTIME_FORMAT, str, dateTime, timeZoneDifferential);
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||||
else if (str.find(',') != std::string::npos)
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return tryParse(DateTimeFormat::RFC850_FORMAT, str, dateTime, timeZoneDifferential);
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||||
else if (isdigit(str[0]))
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{
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if (str.find(' ') != std::string::npos || str.length() == 10)
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return tryParse(DateTimeFormat::SORTABLE_FORMAT, str, dateTime, timeZoneDifferential);
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||||
else
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return tryParse(DateTimeFormat::ISO8601_FORMAT, str, dateTime, timeZoneDifferential);
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}
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else return false;
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}
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||||
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||||
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int DateTimeParser::parseTZD(std::string::const_iterator& it, const std::string::const_iterator& end)
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{
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struct Zone
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||||
{
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||||
const char* designator;
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||||
int timeZoneDifferential;
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||||
};
|
||||
|
||||
static Zone zones[] =
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||||
{
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{"Z", 0},
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{"UT", 0},
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{"GMT", 0},
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||||
{"BST", 1*3600},
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||||
{"IST", 1*3600},
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{"WET", 0},
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||||
{"WEST", 1*3600},
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||||
{"CET", 1*3600},
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||||
{"CEST", 2*3600},
|
||||
{"EET", 2*3600},
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{"EEST", 3*3600},
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||||
{"MSK", 3*3600},
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||||
{"MSD", 4*3600},
|
||||
{"NST", -3*3600-1800},
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{"NDT", -2*3600-1800},
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{"AST", -4*3600},
|
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{"ADT", -3*3600},
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||||
{"EST", -5*3600},
|
||||
{"EDT", -4*3600},
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{"CST", -6*3600},
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{"CDT", -5*3600},
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||||
{"MST", -7*3600},
|
||||
{"MDT", -6*3600},
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||||
{"PST", -8*3600},
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||||
{"PDT", -7*3600},
|
||||
{"AKST", -9*3600},
|
||||
{"AKDT", -8*3600},
|
||||
{"HST", -10*3600},
|
||||
{"AEST", 10*3600},
|
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{"AEDT", 11*3600},
|
||||
{"ACST", 9*3600+1800},
|
||||
{"ACDT", 10*3600+1800},
|
||||
{"AWST", 8*3600},
|
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{"AWDT", 9*3600}
|
||||
};
|
||||
|
||||
while (it != end && isspace(*it)) ++it;
|
||||
if (it != end)
|
||||
{
|
||||
if (isalpha(*it))
|
||||
{
|
||||
std::string designator;
|
||||
designator += *it++;
|
||||
if (it != end && isalpha(*it)) designator += *it++;
|
||||
if (it != end && isalpha(*it)) designator += *it++;
|
||||
if (it != end && isalpha(*it)) designator += *it++;
|
||||
for (unsigned i = 0; i < sizeof(zones)/sizeof(Zone); ++i)
|
||||
{
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||||
if (designator == zones[i].designator)
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||||
return zones[i].timeZoneDifferential;
|
||||
}
|
||||
}
|
||||
else if (*it == '+' || *it == '-')
|
||||
{
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int sign = *it == '+' ? 1 : -1;
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||||
++it;
|
||||
int hours = 0;
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||||
PARSE_NUMBER_N(hours, 2);
|
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if (it != end && *it == ':') ++it;
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||||
int minutes = 0;
|
||||
PARSE_NUMBER_N(minutes, 2);
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return sign*(hours*3600 + minutes*60);
|
||||
}
|
||||
}
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return 0;
|
||||
}
|
||||
|
||||
|
||||
int DateTimeParser::parseMonth(std::string::const_iterator& it, const std::string::const_iterator& end)
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{
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std::string month;
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while (it != end && isspace(*it) || ispunct(*it)) ++it;
|
||||
bool isFirst = true;
|
||||
while (it != end && isalpha(*it))
|
||||
{
|
||||
char ch = (*it++);
|
||||
if (isFirst) { month += toupper(ch); isFirst = false; }
|
||||
else month += tolower(ch);
|
||||
}
|
||||
if (month.length() < 3) throw SyntaxException("Month name must be at least three characters long", month);
|
||||
for (int i = 0; i < 12; ++i)
|
||||
{
|
||||
if (DateTimeFormat::MONTH_NAMES[i].find(month) == 0)
|
||||
return i + 1;
|
||||
}
|
||||
throw SyntaxException("Not a valid month name", month);
|
||||
}
|
||||
|
||||
|
||||
int DateTimeParser::parseDayOfWeek(std::string::const_iterator& it, const std::string::const_iterator& end)
|
||||
{
|
||||
std::string dow;
|
||||
while (it != end && isspace(*it) || ispunct(*it)) ++it;
|
||||
bool isFirst = true;
|
||||
while (it != end && isalpha(*it))
|
||||
{
|
||||
char ch = (*it++);
|
||||
if (isFirst) { dow += toupper(ch); isFirst = false; }
|
||||
else dow += tolower(ch);
|
||||
}
|
||||
if (dow.length() < 3) throw SyntaxException("Weekday name must be at least three characters long", dow);
|
||||
for (int i = 0; i < 7; ++i)
|
||||
{
|
||||
if (DateTimeFormat::WEEKDAY_NAMES[i].find(dow) == 0)
|
||||
return i;
|
||||
}
|
||||
throw SyntaxException("Not a valid weekday name", dow);
|
||||
}
|
||||
|
||||
|
||||
int DateTimeParser::parseAMPM(std::string::const_iterator& it, const std::string::const_iterator& end, int hour)
|
||||
{
|
||||
std::string ampm;
|
||||
while (it != end && isspace(*it) || ispunct(*it)) ++it;
|
||||
while (it != end && isalpha(*it))
|
||||
{
|
||||
char ch = (*it++);
|
||||
ampm += toupper(ch);
|
||||
}
|
||||
if (ampm == "AM")
|
||||
{
|
||||
if (hour == 12)
|
||||
return 0;
|
||||
else
|
||||
return hour;
|
||||
}
|
||||
else if (ampm == "PM")
|
||||
{
|
||||
if (hour < 12)
|
||||
return hour + 12;
|
||||
else
|
||||
return hour;
|
||||
}
|
||||
else throw SyntaxException("Not a valid AM/PM designator", ampm);
|
||||
}
|
||||
|
||||
|
||||
} // namespace Poco
|
||||
//
|
||||
// DateTimeParser.cpp
|
||||
//
|
||||
// $Id: //poco/1.2/Foundation/src/DateTimeParser.cpp#1 $
|
||||
//
|
||||
// Library: Foundation
|
||||
// Package: DateTime
|
||||
// Module: DateTimeParser
|
||||
//
|
||||
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
||||
// and Contributors.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person or organization
|
||||
// obtaining a copy of the software and accompanying documentation covered by
|
||||
// this license (the "Software") to use, reproduce, display, distribute,
|
||||
// execute, and transmit the Software, and to prepare derivative works of the
|
||||
// Software, and to permit third-parties to whom the Software is furnished to
|
||||
// do so, all subject to the following:
|
||||
//
|
||||
// The copyright notices in the Software and this entire statement, including
|
||||
// the above license grant, this restriction and the following disclaimer,
|
||||
// must be included in all copies of the Software, in whole or in part, and
|
||||
// all derivative works of the Software, unless such copies or derivative
|
||||
// works are solely in the form of machine-executable object code generated by
|
||||
// a source language processor.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
|
||||
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
|
||||
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
|
||||
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
//
|
||||
|
||||
|
||||
#include "Poco/DateTimeParser.h"
|
||||
#include "Poco/DateTimeFormat.h"
|
||||
#include "Poco/DateTime.h"
|
||||
#include "Poco/Exception.h"
|
||||
#include <ctype.h>
|
||||
|
||||
|
||||
namespace Poco {
|
||||
|
||||
|
||||
#define SKIP_JUNK() \
|
||||
while (it != end && !isdigit(*it)) ++it
|
||||
|
||||
|
||||
#define PARSE_NUMBER(var) \
|
||||
while (it != end && isdigit(*it)) var = var*10 + ((*it++) - '0')
|
||||
|
||||
|
||||
#define PARSE_NUMBER_N(var, n) \
|
||||
{ int i = 0; while (i++ < n && it != end && isdigit(*it)) var = var*10 + ((*it++) - '0'); }
|
||||
|
||||
|
||||
void DateTimeParser::parse(const std::string& fmt, const std::string& str, DateTime& dateTime, int& timeZoneDifferential)
|
||||
{
|
||||
int year = 0;
|
||||
int month = 0;
|
||||
int day = 0;
|
||||
int hour = 0;
|
||||
int minute = 0;
|
||||
int second = 0;
|
||||
int millis = 0;
|
||||
int tzd = 0;
|
||||
|
||||
std::string::const_iterator it = str.begin();
|
||||
std::string::const_iterator end = str.end();
|
||||
std::string::const_iterator itf = fmt.begin();
|
||||
std::string::const_iterator endf = fmt.end();
|
||||
|
||||
while (itf != endf && it != end)
|
||||
{
|
||||
if (*itf == '%')
|
||||
{
|
||||
if (++itf != endf)
|
||||
{
|
||||
switch (*itf)
|
||||
{
|
||||
case 'w':
|
||||
case 'W':
|
||||
while (it != end && isspace(*it)) ++it;
|
||||
while (it != end && isalpha(*it)) ++it;
|
||||
break;
|
||||
case 'b':
|
||||
case 'B':
|
||||
month = parseMonth(it, end);
|
||||
break;
|
||||
case 'd':
|
||||
case 'e':
|
||||
case 'f':
|
||||
SKIP_JUNK();
|
||||
PARSE_NUMBER_N(day, 2);
|
||||
break;
|
||||
case 'm':
|
||||
case 'n':
|
||||
case 'o':
|
||||
SKIP_JUNK();
|
||||
PARSE_NUMBER_N(month, 2);
|
||||
break;
|
||||
case 'y':
|
||||
SKIP_JUNK();
|
||||
PARSE_NUMBER(year);
|
||||
if (year < 1000)
|
||||
{
|
||||
if (year >= 70)
|
||||
year += 1900;
|
||||
else
|
||||
year += 2000;
|
||||
}
|
||||
break;
|
||||
case 'Y':
|
||||
SKIP_JUNK();
|
||||
PARSE_NUMBER_N(year, 4);
|
||||
break;
|
||||
case 'H':
|
||||
case 'h':
|
||||
SKIP_JUNK();
|
||||
PARSE_NUMBER_N(hour, 2);
|
||||
break;
|
||||
case 'a':
|
||||
case 'A':
|
||||
hour = parseAMPM(it, end, hour);
|
||||
break;
|
||||
case 'M':
|
||||
SKIP_JUNK();
|
||||
PARSE_NUMBER_N(minute, 2);
|
||||
break;
|
||||
case 'S':
|
||||
SKIP_JUNK();
|
||||
PARSE_NUMBER_N(second, 2);
|
||||
break;
|
||||
case 'i':
|
||||
SKIP_JUNK();
|
||||
PARSE_NUMBER_N(millis, 3);
|
||||
break;
|
||||
case 'c':
|
||||
SKIP_JUNK();
|
||||
PARSE_NUMBER_N(millis, 1);
|
||||
millis *= 100;
|
||||
break;
|
||||
case 'z':
|
||||
case 'Z':
|
||||
tzd = parseTZD(it, end);
|
||||
break;
|
||||
}
|
||||
++itf;
|
||||
}
|
||||
}
|
||||
else ++itf;
|
||||
}
|
||||
if (month == 0) month = 1;
|
||||
if (day == 0) day = 1;
|
||||
dateTime.assign(year, month, day, hour, minute, second, millis);
|
||||
timeZoneDifferential = tzd;
|
||||
}
|
||||
|
||||
|
||||
DateTime DateTimeParser::parse(const std::string& fmt, const std::string& str, int& timeZoneDifferential)
|
||||
{
|
||||
DateTime result;
|
||||
parse(fmt, str, result, timeZoneDifferential);
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
bool DateTimeParser::tryParse(const std::string& fmt, const std::string& str, DateTime& dateTime, int& timeZoneDifferential)
|
||||
{
|
||||
try
|
||||
{
|
||||
parse(fmt, str, dateTime, timeZoneDifferential);
|
||||
}
|
||||
catch (Exception&)
|
||||
{
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
|
||||
void DateTimeParser::parse(const std::string& str, DateTime& dateTime, int& timeZoneDifferential)
|
||||
{
|
||||
if (!tryParse(str, dateTime, timeZoneDifferential))
|
||||
throw SyntaxException("Unsupported or invalid date/time format");
|
||||
}
|
||||
|
||||
|
||||
DateTime DateTimeParser::parse(const std::string& str, int& timeZoneDifferential)
|
||||
{
|
||||
DateTime result;
|
||||
if (tryParse(str, result, timeZoneDifferential))
|
||||
return result;
|
||||
else
|
||||
throw SyntaxException("Unsupported or invalid date/time format");
|
||||
}
|
||||
|
||||
|
||||
bool DateTimeParser::tryParse(const std::string& str, DateTime& dateTime, int& timeZoneDifferential)
|
||||
{
|
||||
if (str.length() < 4) return false;
|
||||
|
||||
if (str[3] == ',')
|
||||
return tryParse(DateTimeFormat::RFC822_FORMAT, str, dateTime, timeZoneDifferential);
|
||||
else if (str[3] == ' ')
|
||||
return tryParse(DateTimeFormat::ASCTIME_FORMAT, str, dateTime, timeZoneDifferential);
|
||||
else if (str.find(',') != std::string::npos)
|
||||
return tryParse(DateTimeFormat::RFC850_FORMAT, str, dateTime, timeZoneDifferential);
|
||||
else if (isdigit(str[0]))
|
||||
{
|
||||
if (str.find(' ') != std::string::npos || str.length() == 10)
|
||||
return tryParse(DateTimeFormat::SORTABLE_FORMAT, str, dateTime, timeZoneDifferential);
|
||||
else
|
||||
return tryParse(DateTimeFormat::ISO8601_FORMAT, str, dateTime, timeZoneDifferential);
|
||||
}
|
||||
else return false;
|
||||
}
|
||||
|
||||
|
||||
int DateTimeParser::parseTZD(std::string::const_iterator& it, const std::string::const_iterator& end)
|
||||
{
|
||||
struct Zone
|
||||
{
|
||||
const char* designator;
|
||||
int timeZoneDifferential;
|
||||
};
|
||||
|
||||
static Zone zones[] =
|
||||
{
|
||||
{"Z", 0},
|
||||
{"UT", 0},
|
||||
{"GMT", 0},
|
||||
{"BST", 1*3600},
|
||||
{"IST", 1*3600},
|
||||
{"WET", 0},
|
||||
{"WEST", 1*3600},
|
||||
{"CET", 1*3600},
|
||||
{"CEST", 2*3600},
|
||||
{"EET", 2*3600},
|
||||
{"EEST", 3*3600},
|
||||
{"MSK", 3*3600},
|
||||
{"MSD", 4*3600},
|
||||
{"NST", -3*3600-1800},
|
||||
{"NDT", -2*3600-1800},
|
||||
{"AST", -4*3600},
|
||||
{"ADT", -3*3600},
|
||||
{"EST", -5*3600},
|
||||
{"EDT", -4*3600},
|
||||
{"CST", -6*3600},
|
||||
{"CDT", -5*3600},
|
||||
{"MST", -7*3600},
|
||||
{"MDT", -6*3600},
|
||||
{"PST", -8*3600},
|
||||
{"PDT", -7*3600},
|
||||
{"AKST", -9*3600},
|
||||
{"AKDT", -8*3600},
|
||||
{"HST", -10*3600},
|
||||
{"AEST", 10*3600},
|
||||
{"AEDT", 11*3600},
|
||||
{"ACST", 9*3600+1800},
|
||||
{"ACDT", 10*3600+1800},
|
||||
{"AWST", 8*3600},
|
||||
{"AWDT", 9*3600}
|
||||
};
|
||||
|
||||
while (it != end && isspace(*it)) ++it;
|
||||
if (it != end)
|
||||
{
|
||||
if (isalpha(*it))
|
||||
{
|
||||
std::string designator;
|
||||
designator += *it++;
|
||||
if (it != end && isalpha(*it)) designator += *it++;
|
||||
if (it != end && isalpha(*it)) designator += *it++;
|
||||
if (it != end && isalpha(*it)) designator += *it++;
|
||||
for (unsigned i = 0; i < sizeof(zones)/sizeof(Zone); ++i)
|
||||
{
|
||||
if (designator == zones[i].designator)
|
||||
return zones[i].timeZoneDifferential;
|
||||
}
|
||||
}
|
||||
else if (*it == '+' || *it == '-')
|
||||
{
|
||||
int sign = *it == '+' ? 1 : -1;
|
||||
++it;
|
||||
int hours = 0;
|
||||
PARSE_NUMBER_N(hours, 2);
|
||||
if (it != end && *it == ':') ++it;
|
||||
int minutes = 0;
|
||||
PARSE_NUMBER_N(minutes, 2);
|
||||
return sign*(hours*3600 + minutes*60);
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
int DateTimeParser::parseMonth(std::string::const_iterator& it, const std::string::const_iterator& end)
|
||||
{
|
||||
std::string month;
|
||||
while (it != end && isspace(*it) || ispunct(*it)) ++it;
|
||||
bool isFirst = true;
|
||||
while (it != end && isalpha(*it))
|
||||
{
|
||||
char ch = (*it++);
|
||||
if (isFirst) { month += toupper(ch); isFirst = false; }
|
||||
else month += tolower(ch);
|
||||
}
|
||||
if (month.length() < 3) throw SyntaxException("Month name must be at least three characters long", month);
|
||||
for (int i = 0; i < 12; ++i)
|
||||
{
|
||||
if (DateTimeFormat::MONTH_NAMES[i].find(month) == 0)
|
||||
return i + 1;
|
||||
}
|
||||
throw SyntaxException("Not a valid month name", month);
|
||||
}
|
||||
|
||||
|
||||
int DateTimeParser::parseDayOfWeek(std::string::const_iterator& it, const std::string::const_iterator& end)
|
||||
{
|
||||
std::string dow;
|
||||
while (it != end && isspace(*it) || ispunct(*it)) ++it;
|
||||
bool isFirst = true;
|
||||
while (it != end && isalpha(*it))
|
||||
{
|
||||
char ch = (*it++);
|
||||
if (isFirst) { dow += toupper(ch); isFirst = false; }
|
||||
else dow += tolower(ch);
|
||||
}
|
||||
if (dow.length() < 3) throw SyntaxException("Weekday name must be at least three characters long", dow);
|
||||
for (int i = 0; i < 7; ++i)
|
||||
{
|
||||
if (DateTimeFormat::WEEKDAY_NAMES[i].find(dow) == 0)
|
||||
return i;
|
||||
}
|
||||
throw SyntaxException("Not a valid weekday name", dow);
|
||||
}
|
||||
|
||||
|
||||
int DateTimeParser::parseAMPM(std::string::const_iterator& it, const std::string::const_iterator& end, int hour)
|
||||
{
|
||||
std::string ampm;
|
||||
while (it != end && isspace(*it) || ispunct(*it)) ++it;
|
||||
while (it != end && isalpha(*it))
|
||||
{
|
||||
char ch = (*it++);
|
||||
ampm += toupper(ch);
|
||||
}
|
||||
if (ampm == "AM")
|
||||
{
|
||||
if (hour == 12)
|
||||
return 0;
|
||||
else
|
||||
return hour;
|
||||
}
|
||||
else if (ampm == "PM")
|
||||
{
|
||||
if (hour < 12)
|
||||
return hour + 12;
|
||||
else
|
||||
return hour;
|
||||
}
|
||||
else throw SyntaxException("Not a valid AM/PM designator", ampm);
|
||||
}
|
||||
|
||||
|
||||
} // namespace Poco
|
||||
|
||||
Reference in New Issue
Block a user