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Ignore extra words in phrase (close #4)

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This commit is contained in:
Skylar Ittner 2021-11-12 18:40:59 -07:00
parent 90a0a17093
commit feed3d2918
3 changed files with 50 additions and 30 deletions
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54
FixPhrase.lib.php
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@ -1,28 +1,30 @@
<?php
/* Copyright 2021 Netsyms Technologies.
Redistribution and use in source and binary forms, with or without modification, are permitted
provided that the following conditions are met:
Redistribution and use in source and binary forms, with or without modification, are permitted
provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this list of conditions
and the following disclaimer.
1. Redistributions of source code must retain the above copyright notice, this list of conditions
and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of
conditions and the following disclaimer in the documentation and/or other materials provided with
the distribution.
2. Redistributions in binary form must reproduce the above copyright notice, this list of
conditions and the following disclaimer in the documentation and/or other materials provided with
the distribution.
3. Neither the name of the copyright holder nor the names of its contributors may be used to
endorse or promote products derived from this software without specific prior written permission.
3. Neither the name of the copyright holder nor the names of its contributors may be used to
endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
class FixPhrase {
private const WORDLIST = [
@ -7676,31 +7678,43 @@ class FixPhrase {
return implode(" ", [self::WORDLIST[$groups[0]], self::WORDLIST[$groups[1]], self::WORDLIST[$groups[2]], self::WORDLIST[$groups[3]]]);
}
/**
* Convert a phrase into coordinates.
* @param string $words
* @return array [latitude, longitude, accuracy (degrees), phrase]
* @throws Exception If the phrase is not valid.
*/
public static function decode(string $words): array {
$indexes = [-1, -1, -1, -1];
$words = explode(" ", strtolower($words));
$canonicalphrase = ["", "", "", ""];
if (count($words) < 2) {
throw new Exception("Not enough words!");
} else if (count($words) > 4) {
throw new Exception("Too many words!");
//throw new Exception("Too many words!");
}
// Convert words back into indices and do the math to make them coordinate chunks
foreach ($words as $word) {
$index = array_search($word, self::WORDLIST);
if ($index === false) {
throw new Exception("Unrecognized word found!");
//throw new Exception("Unrecognized word found!");
}
if ($index >= 0 && $index < 2000) {
$indexes[0] = $index;
$canonicalphrase[0] = self::WORDLIST[$index];
} else if ($index >= 2000 && $index < 5610) {
$indexes[1] = $index - 2000;
$canonicalphrase[1] = self::WORDLIST[$index];
} else if ($index >= 5610 && $index < 6610) {
$indexes[2] = $index - 5610;
$canonicalphrase[2] = self::WORDLIST[$index];
} else if ($index >= 6610 && $index < 7610) {
$indexes[3] = $index - 6610;
$canonicalphrase[3] = self::WORDLIST[$index];
}
}
@ -7748,7 +7762,7 @@ class FixPhrase {
break;
}
return [round($latitude, 4), round($longitude, 4), $accuracy];
return [round($latitude, 4), round($longitude, 4), $accuracy, trim(implode(" ", $canonicalphrase))];
}
}

14
index.html
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@ -221,12 +221,6 @@
}
});
// Check for coordinates in hash
parseWindowHash();
window.addEventListener('hashchange', function () {
parseWindowHash();
}, false);
$("body").on("click", ".copyonclick", function () {
var copyitem = $(this);
var copytext = copyitem.text();
@ -258,6 +252,12 @@
date.setTime(date.getTime() + (90 * 24 * 60 * 60 * 1000));
document.cookie = "mapstyle=" + $(this).data("style") + "; expires=" + date.toUTCString();
});
// Check for coordinates in hash
parseWindowHash();
window.addEventListener('hashchange', function () {
parseWindowHash();
}, false);
};
function dolookup(words) {
@ -266,7 +266,7 @@
var coords = FixPhrase.decode(words);
location.hash = "#map";
showLocationPopup(coords[0], coords[1], words, coords[2]);
showLocationPopup(coords[0], coords[1], coords[3], coords[2]);
var zoomlevel = 18;
switch (coords[2]) {

12
js/fixphrase.js
View File

@ -63,27 +63,33 @@ var FixPhrase = {
var indexes = [-1, -1, -1, -1];
words = words.toLowerCase();
words = words.split(" ");
// Gather the real phrase in correct order, with any extra words removed, to return for display
var canonicalphrase = ["", "", "", ""];
if (words.length < 2) {
throw "Not enough words!";
} else if (words.length > 4) {
throw "Too many words!";
console.error("Warning: Too many words!");
}
// Convert words back into indices and do the math to make them coordinate chunks
for (var i = 0; i < words.length; i++) {
var index = this.wordlist.indexOf(words[i]);
if (index == -1) {
throw "Unrecognized word found: " + words[i];
console.error("Warning: Unrecognized word found: " + words[i] + ", ignoring.");
}
if (index >= 0 && index < 2000) {
indexes[0] = index;
canonicalphrase[0] = this.wordlist[index];
} else if (index >= 2000 && index < 5610) {
indexes[1] = index - 2000;
canonicalphrase[1] = this.wordlist[index];
} else if (index >= 5610 && index < 6610) {
indexes[2] = index - 5610;
canonicalphrase[2] = this.wordlist[index];
} else if (index >= 6610 && index < 7610) {
indexes[3] = index - 6610;
canonicalphrase[3] = this.wordlist[index];
}
}
@ -128,7 +134,7 @@ var FixPhrase = {
break;
}
return [latitude, longitude, accuracy];
return [latitude, longitude, accuracy, canonicalphrase.join(" ").trim()];
},
wordlist: [
"abacus",