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Add loadNode api to registry.js

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This commit is contained in:
Nick O'Leary
2014-08-01 23:42:01 +01:00
parent 3ee98e730d
commit 1697aee9f6
9 changed files with 118 additions and 21 deletions
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65
red/nodes/registry.js
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@@ -28,6 +28,19 @@ var events = require("../events");
var Node;
var settings;
function filterNodeInfo(n) {
var r = {
id: n.id,
types: n.types,
name: n.name,
enabled: n.enabled
}
if (n.err) {
r.err = n.err.toString();
}
return r;
}
var registry = (function() {
var nodeConfigCache = null;
var nodeConfigs = {};
@@ -39,19 +52,13 @@ var registry = (function() {
nodeConfigs[id] = set;
nodeList.push(id);
},
getNodeSet: function(id) {
return nodeConfigs[id];
},
getNodeList: function() {
return nodeList.map(function(id) {
var n = nodeConfigs[id];
var r = {
id: n.id,
types: n.types,
name: n.name,
enabled: n.enabled
}
if (n.err) {
r.err = n.err.toString();
}
return r;
return filterNodeInfo(n);
});
},
registerNodeConstructor: function(type,constructor) {
@@ -76,8 +83,8 @@ var registry = (function() {
for (var i=0;i<nodeList.length;i++) {
var config = nodeConfigs[nodeList[i]];
if (config.enabled) {
result += config.config||"";
script += config.script||"";
result += config.config;
script += config.script;
}
}
result += '<script type="text/javascript">';
@@ -91,8 +98,8 @@ var registry = (function() {
getNodeConfig: function(id) {
var config = nodeConfigs[id];
if (config) {
var result = config.config||"";
result += '<script type="text/javascript">'+(config.script||"")+'</script>';
var result = config.config;
result += '<script type="text/javascript">'+config.script+'</script>';
return result;
} else {
return null;
@@ -244,6 +251,10 @@ function loadNodesFromModule(moduleDir,pkg) {
function loadNodeConfig(file,name) {
var id = crypto.createHash('sha1').update(file).digest("hex");
if (registry.getNodeSet(id)) {
throw new Error(file+" already loaded");
}
var node = {
id: id,
file: file,
@@ -268,11 +279,9 @@ function loadNodeConfig(file,name) {
}
var openTag = "<"+el.name;
var closeTag = "</"+el.name+">";
if (el.attribs) {
for (var j in el.attribs) {
if (el.attribs.hasOwnProperty(j)) {
openTag += " "+j+'="'+el.attribs[j]+'"';
}
for (var j in el.attribs) {
if (el.attribs.hasOwnProperty(j)) {
openTag += " "+j+'="'+el.attribs[j]+'"';
}
}
openTag += ">";
@@ -330,7 +339,7 @@ function load(defaultNodesDir) {
}
var promises = [];
nodes.forEach(function(node) {
promises.push(loadNode(node));
promises.push(loadNodeModule(node));
});
//resolve([]);
@@ -351,7 +360,7 @@ function load(defaultNodesDir) {
* err: any error encountered whilst loading the node
*
*/
function loadNode(node) {
function loadNodeModule(node) {
var nodeDir = path.dirname(node.file);
var nodeFn = path.basename(node.file);
try {
@@ -383,6 +392,19 @@ function loadNode(node) {
}
function loadNode(file) {
var info = null;
try {
info = loadNodeConfig(file);
} catch(err) {
return when.reject(err);
}
return loadNodeModule(info).then(function(info) {
return filterNodeInfo(info);
});
}
module.exports = {
init:init,
load:load,
@@ -392,4 +414,5 @@ module.exports = {
getNodeList: registry.getNodeList,
getNodeConfigs: registry.getAllNodeConfigs,
getNodeConfig: registry.getNodeConfig,
loadNode: loadNode
}