mirror of https://github.com/gnosygnu/xowa
ParserFunctions: Support timezone / meridian formats [#648]
gnosygnu
5 years ago
parent
9cb60f2540
commit
763c7b52b7
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.xowa.xtns.pfuncs.times; import gplx.*; import gplx.xowa.*; import gplx.xowa.xtns.*; import gplx.xowa.xtns.pfuncs.*;
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import gplx.xowa.langs.*;
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class Pft_fmt_itm_timezone_offset_4 implements Pft_fmt_itm {
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private final boolean colon;
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public Pft_fmt_itm_timezone_offset_4(boolean colon) {this.colon = colon;}
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public int TypeId() {return Pft_fmt_itm_.Tid_timezone_offset_4;}
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public void Fmt(Bry_bfr bfr, Xowe_wiki wiki, Xol_lang_itm lang, DateAdp date, Pft_func_formatdate_bldr bldr) {
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// get tz_secs
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int tz_secs = date.Timezone_offset();
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// add "+" or "-"
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if (tz_secs < 0) {
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bfr.Add_byte(Byte_ascii.Dash);
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tz_secs *= -1;
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}
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else {
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bfr.Add_byte(Byte_ascii.Plus);
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}
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// calc mins / hours
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int tz_mins = tz_secs / 60;
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// add bfr
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bfr.Add_int_fixed((tz_mins / 60), 2);
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if (colon)
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bfr.Add_byte(Byte_ascii.Colon);
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bfr.Add_int_fixed((tz_mins % 60), 2);
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}
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}
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class Pft_fmt_itm_timezone_id implements Pft_fmt_itm {
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public Pft_fmt_itm_timezone_id(boolean abrv) {}
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public int TypeId() {return Pft_fmt_itm_.Tid_timezone_id_full;}
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public void Fmt(Bry_bfr bfr, Xowe_wiki wiki, Xol_lang_itm lang, DateAdp date, Pft_func_formatdate_bldr bldr) {
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bfr.Add_str_a7(date.Timezone_id());
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}
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}
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@ -0,0 +1,113 @@
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/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx.xowa.xtns.pfuncs.times; import gplx.*; import gplx.xowa.*; import gplx.xowa.xtns.*; import gplx.xowa.xtns.pfuncs.*;
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import gplx.core.brys.*;
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class Pxd_itm_meridian extends Pxd_itm_base implements Pxd_itm_prototype {
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private final boolean pm;
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public Pxd_itm_meridian(int ary_idx, boolean pm) {this.Ctor(ary_idx); this.pm = pm;}
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@Override public byte Tkn_tid() {return Pxd_itm_.Tid_meridian;}
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@Override public int Eval_idx() {return 19;}
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@Override public boolean Time_ini(Pxd_date_bldr bldr) {return true;}
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public Pxd_itm MakeNew(int ary_idx) {return new Pxd_itm_meridian(ary_idx, pm);}
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@Override public boolean Eval(Pxd_parser state) {
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Pxd_itm[] tkns = state.Tkns();
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// init some vars
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Pxd_itm itm = null;
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boolean colon_found = false;
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// get previous item before meridian, skipping ws
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int itm_idx;
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for (itm_idx = this.Ary_idx() - 1; itm_idx > -1; --itm_idx) {
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itm = tkns[itm_idx];
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if (itm.Tkn_tid() != Pxd_itm_.Tid_ws)
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break;
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}
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// null-check to handle error cases like "AM"
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if (itm == null) {
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return Fail(state, "Nothing found before meridian");
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}
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else {
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// itm is not int, then err; EX: "monday AM"
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if (itm.Tkn_tid() != Pxd_itm_.Tid_int) {
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return Fail(state, "Text found before meridian");
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}
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// itm is an int
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else {
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// int_itm may be minute / seconds if there are colons; EX "12AM" vs "12:00AM" or "12:00:00AM"
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if (itm_idx > 0 && tkns[itm_idx - 1].Tkn_tid() == Pxd_itm_.Tid_colon) {
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colon_found = true;
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itm_idx--;
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// make sure int exists before ":"
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if (itm_idx > 0 && tkns[itm_idx - 1].Tkn_tid() == Pxd_itm_.Tid_int) {
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itm = tkns[itm_idx - 1];
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itm_idx--;
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// check again for ":"
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if (itm_idx > 0 && tkns[itm_idx - 1].Tkn_tid() == Pxd_itm_.Tid_colon) {
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itm_idx--;
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// make sure int exists before ":"
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if (itm_idx > 0 && tkns[itm_idx - 1].Tkn_tid() == Pxd_itm_.Tid_int) {
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itm = tkns[itm_idx - 1];
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}
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else {
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return Fail(state, "Text found before 2nd colon");
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}
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}
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}
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else {
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return Fail(state, "Text found before 1st colon");
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}
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}
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// hour found
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Pxd_itm_int hour_itm = (Pxd_itm_int)itm;
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int hour = hour_itm.Val();
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// invalid digit; fail
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if (hour == 0 || hour > 12) {
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return Fail(state, "Invalid digit for meridian: " + Int_.To_str(hour));
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}
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else {
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// update hour
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if (pm) {
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// convert "1 PM" -> hour=13
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hour_itm.Val_(hour + 12);
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}
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else { // convert "12 AM" -> 00:00
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if (hour == 12) {
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hour_itm.Val_(0);
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}
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}
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// if no colon, eval int now else int will get eval'd as year; EX: "12 AM"
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if (!colon_found)
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return Pxd_eval_seg.Eval_as_h(state, hour_itm);
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else {
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// colon exists; don't need to do anything else b/c parser will handle normally; i.e.: "12:00 PM" is just like "12:00"
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}
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}
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}
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}
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return true;
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}
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private boolean Fail(Pxd_parser state, String err) {
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// MW just throws "Invalid time."; add extra description message for debugging purposes
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state.Err_set(Pft_func_time_log.Invalid_time, Bfr_arg_.New_bry(err));
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return false;
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}
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}
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