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Diffstat (limited to 'kcron/ctunit.cpp')
| -rw-r--r-- | kcron/ctunit.cpp | 319 |
1 files changed, 319 insertions, 0 deletions
diff --git a/kcron/ctunit.cpp b/kcron/ctunit.cpp new file mode 100644 index 0000000..0532131 --- /dev/null +++ b/kcron/ctunit.cpp @@ -0,0 +1,319 @@ +/*************************************************************************** + * CT Unit of Time Interval Implementation * + * -------------------------------------------------------------------- * + * Copyright (C) 1999, Gary Meyer <gary@meyer.net> * + * -------------------------------------------------------------------- * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + ***************************************************************************/ + +// Do not introduce any Qt or KDE dependencies into the "CT"-prefixed classes. +// I want to be able to reuse these classes with another GUI toolkit. -GM 11/99 + +#include "cti18n.h" +#include <vector> +#include <string> +#include <stdio.h> // sprintf +#include <ctype.h> // tolower +#include <stdlib.h> + +using namespace std; + +template<int min, int max> +CTUnit<min, max>::CTUnit(const string &tokStr) +{ + initialize(tokStr); +} + +template<int min, int max> +CTUnit<min, max>::CTUnit(const CTUnit& source) +{ + for (int i = 0; i <= max; i++) + { + initialEnabled[i] = 0; + enabled[i] = source.enabled[i]; + } + initialTokStr = ""; + isDirty = true; +} + +template<int min, int max> +CTUnit<min, max>::~CTUnit() +{ +} + +template<int min, int max> +void CTUnit<min, max>::operator = (const CTUnit<min,max>& unit) +{ + for (int i = 0; i <= max; i++) + enabled[i] = unit.enabled[i]; + isDirty = true; + return; +} + +template<int min, int max> +void CTUnit<min, max>::initialize(const string &tokStr) +{ + for (int i = 0; i <= max; i++) + enabled[i] = 0; + + parse(tokStr); + + for (int i = min; i <= max; i++) + initialEnabled[i] = enabled[i]; + + initialTokStr = tokStr; + isDirty = false; + + return; +} + +template<int min, int max> +void CTUnit<min, max>::parse(string tokStr) +{ + // subelement is that which is between commas + string subelement; + int commapos, slashpos, dashpos; + int beginat, endat, step; + + // loop through each subelement + tokStr += ","; + while ((commapos = tokStr.find(",")) > 0) + { + subelement = tokStr.substr(0,commapos); + + // find "/" to determine step + slashpos = subelement.find("/"); + if (slashpos == -1) + { + step = 1; + slashpos = subelement.length(); + } + else + { + step = fieldToValue(subelement.substr(slashpos+1, + subelement.length()-slashpos-1)); + if (step < 1) + step = 1; + } + + // find "=" to determine range + dashpos = subelement.find("-"); + if (dashpos == -1) + { + // deal with "*" + if (subelement.substr(0,slashpos) == "*") + { + beginat = min; + endat = max; + } + else + { + beginat = fieldToValue(subelement.substr(0,slashpos)); + endat = beginat; + } + } + else + { + beginat = fieldToValue(subelement.substr(0,dashpos)); + endat = fieldToValue(subelement.substr(dashpos+1,slashpos-dashpos-1)); + } + + // ignore out of range + if (beginat < 0) + beginat = 0; + if (endat > max) + endat = max; + + // setup enabled + for (int i = beginat; i <= endat; i+=step) + enabled[i] = 1; + + tokStr = tokStr.substr(commapos+1, tokStr.length()-commapos-1); + } + return; +} + +template<int min, int max> +string CTUnit<min, max>::tokenize() const +{ + if (!isDirty) + { + return initialTokStr; + } + else + { + int total(count()); + int count(0); + int num(min); + string tmpStr; + + while (num <= max) + { + if (enabled[num]) + { + char cnum[3]; + sprintf(cnum, "%u", num); + tmpStr += cnum; + if (++count < total) + tmpStr += ","; + } + num++; + } + if (count == (max - min + 1)) + tmpStr = "*"; + return tmpStr; + } +} + +template<int min, int max> +string CTUnit<min, max>::describe(const string *label) const +{ + int total(count()); + int count(0); + string tmpStr; + for (int i = min; i <= max; i++) + { + if (enabled[i]) + { + tmpStr += label[i]; + count++; + switch (total - count) + { + case 0: break; + case 1: if (total > 2) tmpStr += (const char *)i18n(",").local8Bit(); + tmpStr += (const char *)i18n(" and ").local8Bit(); + break; + default: tmpStr += (const char *)i18n(", ").local8Bit(); + break; + } + } + } + return tmpStr; +} + +template<int min, int max> +int CTUnit<min, max>::begin() +{ + return min; +} + +template<int min, int max> +int CTUnit<min, max>::end() +{ + return max; +} + +template<int min, int max> +bool CTUnit<min, max>::get(int pos) const +{ + return enabled[pos]; +} + +template<int min, int max> +void CTUnit<min, max>::set(int pos, bool value) +{ + enabled[pos] = value; + isDirty = true; + return; +} + +template<int min, int max> +void CTUnit<min, max>::enable(int pos) +{ + enabled[pos] = true; + isDirty = true; + return; +} + +template<int min, int max> +void CTUnit<min, max>::disable(int pos) +{ + enabled[pos] = false; + isDirty = true; + return; +} + +template<int min, int max> +bool CTUnit<min, max>::dirty() const +{ + return isDirty; +} + +template<int min, int max> +int CTUnit<min, max>::count() const +{ + int total(0); + for (int i = min; i <= max; i++) + total += (enabled[i] == true); + return total; +} + +template<int min, int max> +void CTUnit<min, max>::apply() +{ + initialTokStr = tokenize(); + for (int i = min; i <= max; i++) + initialEnabled[i] = enabled[i]; + isDirty = false; + return; +} + +template<int min, int max> +void CTUnit<min, max>::cancel() +{ + for (int i = min; i <= max; i++) + enabled[i] = initialEnabled[i]; + isDirty = false; + return; +} + +template<int min, int max> +int CTUnit<min, max>::fieldToValue(string entry) const +{ + // GNU C++ STL has no String::toLower() so we have to lower + // by hand. + + string lower(""); + int length = entry.length(); + for (int i = 0; i < length; i++) + lower += tolower(*(entry.substr(i, 1).c_str())); + + // check for days + string days[7] = + { + "sun", "mon", "tue", "wed", "thu", "fri", "sat" + }; + + for (int day = 0; day < 7; day++) + { + if (lower == days[day]) + { + char cnum[3]; + sprintf(cnum, "%u", day); + entry = cnum; + } + } + + // check for months + string months[13] = + { + "", + "jan", "feb", "mar", "apr", "may", "jun", + "jul", "aug", "sep", "oct", "nov", "dec" + }; + + for (int month = 1; month < 13; month++) + { + if (lower == months[month]) + { + char cnum[3]; + sprintf(cnum, "%u", month); + entry = cnum; + } + } + + return atoi(entry.c_str()); +} |