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<?php
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require_once dirname(__FILE__)."/util.php";
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# config
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$alias = "j.mp/vegpath#";
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function by_prefix($url, $main_url=null)
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{
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	if (!isset($main_url)) $main_url = $url;
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	return function($path) use($url, $main_url)
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	{
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		return $path ? $url.$path : $main_url;
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	};
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}
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$h_level = 5;
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$path = parse_mixed_path($_SERVER["QUERY_STRING"]);
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$ref = strtolower($path->head);
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function add_ref($name, $suffix, $url_func)
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{
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	global $alias, $h_level, $path, $ref;
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	if (is_string($url_func)) $url_func = by_prefix($url_func);
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	print("<h".$h_level.' id="'.$name.'">'.$alias.'<big><a href="http://'.$alias
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		.$name.'">'.$name."</a></big><i>".$suffix."</i></h".$h_level.">\n");
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	if ($ref === strtolower($name)) # found match, so redirect
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	{
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		header("Location: ".strip_url($url_func($path->tail)));
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		ob_end_flush();
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		exit;
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	}
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}
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function fragment_override($url, $fragment=null)
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{
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	return function($path) use($url, $fragment)
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	{
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		if (!isset($fragment))
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		{
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			$path = parse_dot_path($path);
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			$fragment = $path->head;
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			$path = $path->tail;
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		}
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		if ($path !== "") $url .= "?".$path;
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		return $url."#".$fragment;
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	};
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}
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function phpPgAdmin($url)
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{
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	return function($path) use($url)
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	{
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		$path = parse_dot_path($path);
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		$subject = "schema";
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		if ($path->head !== "")
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		{
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			$url .= "&table=".$path->head;
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			if ($path->tail !== "")
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			{
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				$url .= "&column=".$path->tail;
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				$subject = "column";
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			}
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			else $subject = "table";
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		}
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		$url .= "&subject=".$subject;
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		return $url;
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	};
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}
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function phpMyAdmin($url)
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{
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	return function($path) use($url)
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	{
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		$path = parse_dot_path($path);
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		$target = "db_structure";
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		if ($path->head !== "")
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		{
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			$url .= "&table=".$path->head;
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			if ($path->tail !== "") $url .= "&column=".$path->tail;
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			$target = "tbl_structure";
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		}
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		$url .= "&target=".$target.".php";
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		return $url;
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	};
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}
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function VegBank($url)
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{
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	return function($path) use($url)
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	{
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		$path = parse_dot_path($path);
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		if ($path->head !== "") $url .= "/vegbank/views/dba_tabledescription_detail.jsp?view=detail&entity=dba_tabledescription&where=where_tablename&wparam=".$path->head."#".$path->tail;
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		else $url .= "/get/index/dba_tabledescription";
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		return $url;
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	};
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}
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ob_start(); // delay output in case there is a redirect
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?>
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<html>
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	<head>
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		<title>VegPath</title>
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		<link rel="stylesheet" type="text/css" href="main.css" />
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		<style type="text/css">
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h1 {color: green;}
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		</style>
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		<script type="text/javascript" src="util.js"></script>
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	</head>
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	<body>
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		<h1>VegPath&nbsp;&nbsp; <small>human-readable URLs for vegetation resources</small></h1>
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		<div>Supported URL patterns:&nbsp;&nbsp; <small><i>(elements can be left out successively from the end of the URL)</i></small></div>
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		<blockquote>
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<?php
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# add and list URLs
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print("<h2>Terms</h2>");
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{
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	print("<blockquote>\n");
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	print("<h3>Exchange schemas</h3>");
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	{
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		print("<blockquote>\n");
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		add_ref("VegCore", ".table.column", "https://projects.nceas.ucsb.edu/nceas/projects/bien/wiki/VegCore#");
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		add_ref("DwC", ".term", "http://rs.tdwg.org/dwc/terms/#");
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		{
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			print("<blockquote>\n"); $h_level++;
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			add_ref("DwC-history", ".term", "http://rs.tdwg.org/dwc/terms/history/#");
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			print("</blockquote>\n"); $h_level--;
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		}
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		add_ref("TCS", "/XPath", "http://www.tdwg.org/standards/117/download/#/v101.xsd#");
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		add_ref("VegX", "/XPath", "http://wiki.tdwg.org/twiki/pub/Vegetation/WebHome/VegX_Schema_1.5.3_proposed.zip#/veg.xsd#");
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		print("</blockquote>\n");
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	}
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	print("<h3>Aggregators</h3>");
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	{
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		print("<blockquote>\n");
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		add_ref("VegBank", ".table.column", VegBank("http://vegbank.org"));
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		add_ref("SALVIAS", ".table.column", "http://salvias.net/Documents/salvias_data_dictionary.html#");
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		add_ref("BIEN2", ".table.column", phpMyAdmin("http://nimoy.nceas.ucsb.edu/phpmyadmin/index.php?db=bien_web"));
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		add_ref("VegBIEN", ".table.column", phpPgAdmin("http://vegbiendev.nceas.ucsb.edu/phppgadmin/redirect.php?server=localhost%3A5432%3Aallow&database=vegbien&schema=public"));
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		print("</blockquote>\n");
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	}
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	print("<h3>Primary databases</h3>");
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	{
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		print("<blockquote>\n");
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		add_ref("TNRS", ".term", fragment_override("http://tnrs.iplantcollaborative.org/instructions.html", "download_results"));
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		print("</blockquote>\n");
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	}
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	print("</blockquote>\n");
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}
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print("<h2>Data</h2>");
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{
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	print("<blockquote>\n");
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	add_ref("IH", ".herbarium_code", by_prefix("http://sweetgum.nybg.org/ih/herbarium_list.php?QueryName=DetailedQuery&Restriction=NamPartyType+%3D+%27IH+Herbarium%27&col_NamOrganisationAcronym=",
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			"http://sweetgum.nybg.org/ih/"));
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	print("</blockquote>\n");
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}
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?>
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			<script type="text/javascript">
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var loc = document.location
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if (loc.hash)
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{
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	var fragment = rm_prefix('#', loc.hash)
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	var namespace = parse_dot_path(fragment).head
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	document.getElementById(namespace).className = 'progress'
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	document.location = fragment
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}
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			</script>
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		</blockquote>
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	</body>
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</html>
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<?php
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ob_end_flush();
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?>
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