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| -rw-r--r-- | lib/ajaxlib.lua | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/lib/ajaxlib.lua b/lib/ajaxlib.lua new file mode 100644 index 0000000..b03e71f --- /dev/null +++ b/lib/ajaxlib.lua @@ -0,0 +1,134 @@ +--[[ + +/* + * Baltisot + * Copyright (C) 1999-2008 Nicolas "Pixel" Noble + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +/* $Id: ajaxlib.lua,v 1.1 2008-01-15 16:11:27 pixel Exp $ */ + +]]-- + +local ajaxlib_javascript + +local ajax_replacements = { + { "&", "&" }, + { "|", "|" }, + { "=", "=" }, +} + +function ajax_escape(str) + return generic_escape(str, ajax_replacements) +end + +function ajax_dump_table(t, out) + local k, v, vk, vv + + if type(t) ~= "table" then + return + end + + for k, v in pairs(t) do + out:write(k) + for vk, vv in pairs(v) do + out:write("|" .. ajax_escape(vk) .. "=" .. ajax_escape(vv)) + end + out:write("\n") + end +end + +function ajax_write_javascript(out) + out:write(ajaxlib_javascript) +end + +ajaxlib_javascript = [[ +var loading = 0; + +function ajax_loading(v) +{ + var obj = getObjById("ajax_loader") + + if (obj) { + obj.style.visibility = v ? "visible" : "hidden"; + } +} + +function ajax_unescape(str) +{ + return str.replace(/&#(\d+);/g, function() { + return String.fromCharCode(RegExp.$1); + }); +} + +function ajax_hub(ajax_request, callback) +{ + if (ajax_request.readyState != 4) + return; + + var res = ajax_request.responseText; + + ajax_request = null; + callback(res); + loading--; + ajax_loading(loading != 0); +} + +function ajax_create(url, callback) +{ + var ajax_request; + + loading++; + ajax_loading(true); + + ajax_request = new XMLHttpRequest(); + ajax_request.onreadystatechange = function() { ajax_hub(ajax_request, callback) }; + ajax_request.open("GET", url, true); + ajax_request.send(null); +} + +function ajax_do_get_data(res) +{ + var lines; + var t = new Array(); + var c; + var pair; + var i, j, k, res; + + lines = res.split('\n'); + + for (i = 0, c = 0; i < lines.length; i++) { + if (lines[i] == "") + continue; + if (lines[i][0] == "#") + continue; + t[c++] = lines[i].split('|'); + } + + res = {} + + for (i = 0; i < t.length; i++) { + k = t[i][0]; + res[k] = {}; + for (j = 1; j < t[i].length; j++) { + pair = t[i][j].split("="); + res[k][ajax_unescape(pair[0])] = ajax_unescape(pair[1]); + } + } + + return res; +} +]] |