mirror of
https://github.com/GothenburgBitFactory/taskwarrior.git
synced 2025-07-07 20:06:36 +02:00
Code Cleanup
- Factorize code for parsing date elements. - Better order of blocks for parsing date elements. - Add corresponding minimal-digit date parsing method for reading seconds, minutes and week. - Update documentation and test.
This commit is contained in:
Louis-Claude Canon
Paul Beckingham
parent
384be4b249
commit
ec330921de
8 changed files with 116 additions and 218 deletions
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@ -238,10 +238,13 @@ const std::string Date::toString (
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case 'A': sprintf (buffer, "%s", Date::dayName (dayOfWeek ()).c_str ()); break;
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case 'b': sprintf (buffer, "%.3s", Date::monthName (month ()).c_str ()); break;
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case 'B': sprintf (buffer, "%.9s", Date::monthName (month ()).c_str ()); break;
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case 'v': sprintf (buffer, "%d", Date::weekOfYear (Date::dayOfWeek (context.config.get ("weekstart")))); break;
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case 'V': sprintf (buffer, "%02d", Date::weekOfYear (Date::dayOfWeek (context.config.get ("weekstart")))); break;
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case 'h': sprintf (buffer, "%d", this->hour ()); break;
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case 'H': sprintf (buffer, "%02d", this->hour ()); break;
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case 'n': sprintf (buffer, "%d", this->minute ()); break;
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case 'N': sprintf (buffer, "%02d", this->minute ()); break;
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case 's': sprintf (buffer, "%d", this->second ()); break;
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case 'S': sprintf (buffer, "%02d", this->second ()); break;
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case 'j': sprintf (buffer, "%d", this->dayOfYear ()); break;
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case 'J': sprintf (buffer, "%03d", this->dayOfYear ()); break;
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272
src/Nibbler.cpp
272
src/Nibbler.cpp
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@ -717,6 +717,47 @@ bool Nibbler::getDateISO (time_t& t)
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////////////////////////////////////////////////////////////////////////////////
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#ifdef NIBBLER_FEATURE_DATE
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// Parse the longest integer using the next 'limit' characters of 'result'
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// following position 'i' (when strict is true, the number of digits must be
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// equal to limit).
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bool Nibbler::parseDigits(std::string::size_type& i,
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int& result,
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unsigned int limit,
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bool strict /* = true */)
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{
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// If the result has already been set
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if (result != -1)
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return false;
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for (unsigned int f = limit; f > 0; --f)
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{
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// Check that the nibbler has enough unparsed characters
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if (i + f <= _length)
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{
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// Check that 'f' of them are digits
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unsigned int g;
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for (g = 0; g < f; g++)
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if (! isdigit (_input[i + g]))
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break;
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// Parse the integer when it is the case
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if (g == f)
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{
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if (f == 1)
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result = _input[i] - '0';
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else
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result = atoi (_input.substr (i, f).c_str ());
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// Update the global cursor before returning
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i += f;
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return true;
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}
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}
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// Do not try smaller limits if the option is strict on the size
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if (strict)
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break;
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}
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return false;
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}
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////////////////////////////////////////////////////////////////////////////////
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bool Nibbler::getDate (const std::string& format, time_t& t)
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{
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std::string::size_type i = _cursor;
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@ -728,246 +769,85 @@ bool Nibbler::getDate (const std::string& format, time_t& t)
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int minute = -1;
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int second = -1;
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// For parsing, unused.
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int wday = -1;
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int week = -1;
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for (unsigned int f = 0; f < format.length (); ++f)
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{
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switch (format[f])
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{
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case 'm':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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month = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else if (i + 1 <= _length &&
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isdigit (_input[i + 0]))
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{
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month = _input[i] - '0';
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i += 1;
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}
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else
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case 'M':
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if (! parseDigits(i, month, 2, format[f] == 'M'))
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return false;
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break;
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case 'd':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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day = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else if (i + 1 <= _length &&
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isdigit (_input[i + 0]))
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{
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day = _input[i] - '0';
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i += 1;
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}
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else
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case 'D':
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if (! parseDigits(i, day, 2, format[f] == 'D'))
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return false;
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break;
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case 'y':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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year = 2000 + atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else
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case 'Y':
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if (! parseDigits(i, year, format[f] == 'y' ? 2 : 4))
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return false;
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if (format[f] == 'y')
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year += 2000;
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break;
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case 'h':
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case 'H':
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if (! parseDigits(i, hour, 2, format[f] == 'H'))
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return false;
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break;
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case 'M':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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month = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else
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case 'n':
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case 'N':
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if (! parseDigits(i, minute, 2, format[f] == 'N'))
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return false;
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break;
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case 'D':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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day = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else
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case 's':
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case 'S':
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if (! parseDigits(i, second, 2, format[f] == 'S'))
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return false;
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break;
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// Merely parse, not extract.
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case 'v':
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case 'V':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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day = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else
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return false;
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break;
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case 'Y':
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if (i + 4 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]) &&
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isdigit (_input[i + 2]) &&
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isdigit (_input[i + 3]))
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{
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year = atoi (_input.substr (i, 4).c_str ());
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i += 4;
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}
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else
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if (! parseDigits(i, week, 2, format[f] == 'V'))
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return false;
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break;
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// Merely parse, not extract.
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case 'a':
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if (i + 3 <= _length &&
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! isdigit (_input[i + 0]) &&
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! isdigit (_input[i + 1]) &&
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! isdigit (_input[i + 2]))
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i += 3;
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else
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return false;
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break;
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// Merely parse, not extract.
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case 'b':
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if (i + 3 <= _length &&
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! isdigit (_input[i + 0]) &&
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! isdigit (_input[i + 1]) &&
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! isdigit (_input[i + 2]))
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{
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month = Date::monthOfYear (_input.substr (i, 3).c_str());
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i += 3;
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}
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else
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return false;
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break;
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// Merely parse, not extract.
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case 'A':
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if (i + 3 <= _length &&
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! isdigit (_input[i + 0]) &&
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! isdigit (_input[i + 1]) &&
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! isdigit (_input[i + 2]))
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i += Date::dayName (Date::dayOfWeek (_input.substr (i, 3).c_str ())).size ();
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{
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wday = Date::dayOfWeek (_input.substr (i, 3).c_str ());
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i += (format[f] == 'a') ? 3 : Date::dayName (wday).size ();
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}
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else
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return false;
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break;
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case 'b':
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case 'B':
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if (i + 3 <= _length &&
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! isdigit (_input[i + 0]) &&
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! isdigit (_input[i + 1]) &&
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! isdigit (_input[i + 2]))
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{
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month = Date::monthOfYear (_input.substr (i, 3).c_str ());
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i += Date::monthName (month).size ();
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}
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else
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return false;
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break;
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case 'h':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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hour = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else if (i + 1 <= _length &&
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isdigit (_input[i + 0]))
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{
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hour = atoi (_input.substr (i, 1).c_str ());
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i += 1;
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}
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else
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return false;
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break;
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case 'H':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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hour = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else
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return false;
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break;
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case 'N':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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minute = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else
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return false;
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break;
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case 'S':
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if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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second = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else
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return false;
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break;
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case 'j':
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if (i + 3 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]) &&
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isdigit (_input[i + 2]))
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{
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day = atoi (_input.substr (i, 3).c_str ());
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i += 3;
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}
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else if (i + 2 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]))
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{
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day = atoi (_input.substr (i, 2).c_str ());
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i += 2;
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}
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else if (i + 1 <= _length &&
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isdigit (_input[i + 0]))
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{
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day = atoi (_input.substr (i, 1).c_str ());
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i += 1;
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}
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else
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return false;
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break;
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case 'J':
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if (i + 3 <= _length &&
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isdigit (_input[i + 0]) &&
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isdigit (_input[i + 1]) &&
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isdigit (_input[i + 2]))
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{
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day = atoi (_input.substr (i, 3).c_str ());
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i += 3;
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if (month != -1)
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return false;
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month = Date::monthOfYear (_input.substr (i, 3).c_str());
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i += (format[f] == 'b') ? 3 : Date::monthName (month).size ();
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}
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else
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return false;
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@ -78,6 +78,7 @@ public:
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bool getPartialUUID (std::string&);
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bool getDateISO (time_t&);
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#ifdef NIBBLER_FEATURE_DATE
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bool parseDigits(std::string::size_type&, int&, unsigned int, bool strict = true);
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bool getDate (const std::string&, time_t&);
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#endif
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bool getOneOf (const std::vector <std::string>&, std::string&);
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