From eee248c50cf60c1c24b090d5c58fba6bd9711d20 Mon Sep 17 00:00:00 2001
From: Mark Engel <mark.c.engel@gmail.com>
Date: Fri, 21 Jan 2011 17:45:16 +0100
Subject: creation of xml data is now handled by xmlGenerator

---
 src/nodejs/no1.js          | 134 ++++++++++++---------------------------------
 src/nodejs/xmlGenerator.js |  71 ++++++++++++++++++++++++
 2 files changed, 105 insertions(+), 100 deletions(-)
 create mode 100644 src/nodejs/xmlGenerator.js

diff --git a/src/nodejs/no1.js b/src/nodejs/no1.js
index d63a8bb..9258e15 100644
--- a/src/nodejs/no1.js
+++ b/src/nodejs/no1.js
@@ -1,6 +1,6 @@
 var clutch = require('clutch');
 var pg = require('pg');
-var builder = require('xmlbuilder');
+var xmlGenerator = require('./xmlGenerator.js');
 
 // load config
 var config = require('./config.json');
@@ -20,37 +20,11 @@ var connectionString = config['connectionString'];
 var log4js = require('log4js')(); //note the need to call the function
 //log4js.addAppender(log4js.fileAppender('osm-xapi.log'), 'cheese');
 
-var logger = log4js.getLogger('global');
-logger.setLevel('ALL');
-
-
 var log = log4js.getLogger('global');
 log.setLevel('ALL');
 
 log.info("server starting...");
 
-function toISO8601(date) {
-    //2007-03-31T00:09:22+01:00
-    var pad_two = function(n) {
-        return (n < 10 ? '0' : '') + n;
-    };
-
-    return [
-        date.getUTCFullYear(),
-        '-',
-        pad_two(date.getUTCMonth() + 1),
-        '-',
-        pad_two(date.getUTCDate()),
-        'T',
-        pad_two(date.getUTCHours()),
-        ':',
-        pad_two(date.getUTCMinutes()),
-        ':',
-        pad_two(date.getUTCSeconds()),
-        '+01:00'    //FIX ME
-    ].join('');
-}
-
 function createWayBboxQuery(key, value, left, bottom, right, top) {
     return "SELECT id,tstamp,version,changeset_id, nodes, user_id, hstore_to_array(tags) as tags FROM ways WHERE (tags @> hstore('" + key + "','" + value + "') AND linestring && st_setsrid(st_makebox2d(st_setsrid(st_makepoint(" +
     left + "," + bottom + "),4326), st_setsrid(st_makepoint(" + right + "," + top + "),4326)),4326));";
@@ -97,58 +71,17 @@ function nodeBboxHandler(req, res, key, value, left, bottom, right, top) {
         }
     });
 
-    query.on('row', function(row) {
-        if(!success) {
-        success = true;
-        res.writeHead(200, {'Content-Type': 'text/plain'});
-        res.write("<xml>");
-        }
-        res.write(createXmlNode(row));
+	query.on('row', function(row) {
+	    if(!success) {
+		success = true;
+		res.writeHead(200, {'Content-Type': 'text/plain'});
+		res.write("<xml>");
+	    }
+	    res.write(xmlGenerator.createNode(row));
+	});
     });
     });
 }
-
-function createXmlNode(row) {
-    log.debug(row);
-    var node = builder.begin('node')
-        .att('id', row.id)
-        .att('timestamp', toISO8601(row.tstamp))
-        .att('version', row.version)
-        .att('changeset', row.changeset_id)
-        .att('lat', row.lat)
-        .att('lon', row.lon);
-    if(row.tags != '{}') {
-        var temp = row.tags.replace("{","").replace("}","").split(",");
-        for(var x=0;x<temp.length;x=x+2)
-            node.ele('tag')
-                .att('k',escape(temp[x]))
-                .att('v',escape(temp[x+1]));
-    }
-    return builder.toString({ pretty: true });
-}
-
-function createXmlWay(row) {
-    var way = builder.begin('way')
-        .att('id', row.id)
-        .att('timestamp', toISO8601(row.tstamp))
-        .att('version', row.version)
-        .att('changeset', row.changeset_id);
-    if(row.tags != '{}') {
-        var temp = row.tags.replace("{","").replace("}","").split(",");
-        for(var x=0;x<temp.length;x=x+2)
-            way.ele('tag')
-                .att('k',escape(temp[x]))
-        .att('v',escape(temp[x+1]));
-    }
-
-    var temp = row.nodes.replace("{","").replace("}","").split(",");
-    for(var x=0;x<temp.length;x++) {
-        way.ele('nd')
-        .att('ref',temp[x]);
-    }
-    return builder.toString({pretty:'true'});
-}
-
 function wayWorldHandler(req, res, key, value) {
     res.writeHead(200, {'Content-Type': 'text/plain'});
 }
@@ -200,30 +133,31 @@ function wayBboxHandler(req, res, key, value, left, bottom, right, top) {
         }
     });
 
-    query.on('row', function(row) {
-        if(!success) {
-        success = true;
-        res.writeHead(200, {'Content-Type': 'text/plain'});
-        res.write("<xml>");
-        }
-        //console.log(row);
-        if(row.nodes != '{}') {
-        count++;
-        var subquery = client.query(createNodesForWayQuery(row.nodes));
-        subquery.on('error',function(err) {});
-        subquery.on('end', function() {
-            count--;
-            if(count==0)
-            res.write("</xml>");
-            res.end();
-        });
-        subquery.on('row', function(row) {
-            res.write(createXmlNode(row));
-        });
-
-        //console.log(createNodesForWayQuery(row.nodes));
-        }
-            res.write(createXmlWay(row));
+	query.on('row', function(row) {
+	    if(!success) {
+		success = true;
+		res.writeHead(200, {'Content-Type': 'text/plain'});
+		res.write("<xml>");
+	    }
+	    //console.log(row);
+	    if(row.nodes != '{}') {
+		count++;
+		var subquery = client.query(createNodesForWayQuery(row.nodes));
+		subquery.on('error',function(err) {});
+		subquery.on('end', function() {
+		    count--;
+		    if(count==0)
+			res.write("</xml>");
+		    res.end();
+		});
+		subquery.on('row', function(row) {
+		    res.write(xmlGenerator.createNode(row));
+		});
+
+		//console.log(createNodesForWayQuery(row.nodes));
+	    }
+            res.write(xmlGenerator.createWay(row));
+	});
     });
     });
 }
diff --git a/src/nodejs/xmlGenerator.js b/src/nodejs/xmlGenerator.js
new file mode 100644
index 0000000..b2cf2cb
--- /dev/null
+++ b/src/nodejs/xmlGenerator.js
@@ -0,0 +1,71 @@
+var builder = require('xmlbuilder');
+//set up logger
+var log4js = require('log4js')(); //note the need to call the function
+//log4js.addAppender(log4js.fileAppender('osm-xapi.log'), 'cheese');
+ 
+var log = log4js.getLogger('xmlGenerator');
+log.setLevel('ALL');
+
+
+exports.createNode = function (row) {
+    log.debug(row);
+    var node = builder.begin('node')
+        .att('id', row.id)
+        .att('timestamp', toISO8601(row.tstamp))
+        .att('version', row.version)
+        .att('changeset', row.changeset_id)
+        .att('lat', row.lat)
+        .att('lon', row.lon);
+    if(row.tags != '{}') {
+        var temp = row.tags.replace("{","").replace("}","").split(",");
+        for(var x=0;x<temp.length;x=x+2)
+            node.ele('tag')
+                .att('k',escape(temp[x]))
+                .att('v',escape(temp[x+1]));
+    }
+    return builder.toString({ pretty: true });
+}
+
+exports.createWay = function (row) {
+    var way = builder.begin('way')
+        .att('id', row.id)
+        .att('timestamp', toISO8601(row.tstamp))
+        .att('version', row.version)
+        .att('changeset', row.changeset_id);
+    if(row.tags != '{}') {
+        var temp = row.tags.replace("{","").replace("}","").split(",");
+        for(var x=0;x<temp.length;x=x+2)
+            way.ele('tag')
+                .att('k',escape(temp[x]))
+        .att('v',escape(temp[x+1]));
+    }
+
+    var temp = row.nodes.replace("{","").replace("}","").split(",");
+    for(var x=0;x<temp.length;x++) {
+        way.ele('nd')
+        .att('ref',temp[x]);
+    }
+    return builder.toString({pretty:'true'});
+}
+
+function toISO8601(date) {
+    //2007-03-31T00:09:22+01:00
+    var pad_two = function(n) {
+        return (n < 10 ? '0' : '') + n;
+    };
+
+    return [
+        date.getUTCFullYear(),
+        '-',
+        pad_two(date.getUTCMonth() + 1),
+        '-',
+        pad_two(date.getUTCDate()),
+        'T',
+        pad_two(date.getUTCHours()),
+        ':',
+        pad_two(date.getUTCMinutes()),
+        ':',
+        pad_two(date.getUTCSeconds()),
+        '+01:00'	//FIX ME
+    ].join('');
+}
\ No newline at end of file
-- 
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