From 8f1c558bb1f09e230652bece82c9b5c02a08ff59 Mon Sep 17 00:00:00 2001
From: miker <miker@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Date: Wed, 18 Jan 2006 18:00:40 +0000
Subject: [PATCH] JS side of the OpenSRF request stuff

git-svn-id: svn://svn.open-ils.org/ILS/trunk@2743 dcc99617-32d9-48b4-a31d-7c20da2025e4
---
 Open-ILS/src/javascript/backend/libs/JSON.js  | 136 ++++++++++++++++++
 .../backend/libs/jsonopensrfrequest.js        |  41 ++++++
 2 files changed, 177 insertions(+)
 create mode 100644 Open-ILS/src/javascript/backend/libs/JSON.js
 create mode 100644 Open-ILS/src/javascript/backend/libs/jsonopensrfrequest.js

diff --git a/Open-ILS/src/javascript/backend/libs/JSON.js b/Open-ILS/src/javascript/backend/libs/JSON.js
new file mode 100644
index 0000000000..1f7b805e3e
--- /dev/null
+++ b/Open-ILS/src/javascript/backend/libs/JSON.js
@@ -0,0 +1,136 @@
+// in case we run on an implimentation that doesn't have "undefined";
+var undefined;
+
+function Cast (obj, class_constructor) {
+	try {
+		if (eval(class_constructor + '["_isfieldmapper"]')) {
+			obj = eval("new " + class_constructor + "(obj)");
+		}
+	} catch( E ) {
+		alert( E + "\n");
+	} finally {
+		return obj;
+	}
+}
+
+function JSON2js (json) {
+
+	json = String(json).replace( /\/\*--\s*S\w*?\s*?\s+\w+\s*--\*\//g, 'Cast(');
+	json = String(json).replace( /\/\*--\s*E\w*?\s*?\s+(\w+)\s*--\*\//g, ', "$1")');
+
+	var obj;
+	if (json != '') {
+		try {
+			eval( 'obj = ' + json );
+		} catch(E) {
+			debug("Error building JSON object with string " + E + "\nString:\n" + json );
+			return null;
+		}
+	}
+	return obj;
+}
+
+
+function object2Array(obj) {
+	if( obj == null ) return null;
+
+	var arr = new Array();
+	for( var i  = 0; i < obj.length; i++ ) {
+		arr[i] = obj[i];
+	}
+	return arr;
+}
+
+
+function js2JSON(arg) {
+	return _js2JSON(arg);
+}
+
+function _js2JSON(arg) {
+	var i, o, u, v;
+
+		switch (typeof arg) {
+			case 'object':
+	
+				if(arg) {
+	
+					if (arg._isfieldmapper) { /* magi-c-ast for fieldmapper objects */
+	
+						if( arg.a.constructor != Array ) {
+							var arr = new Array();
+							for( var i  = 0; i < arg.a.length; i++ ) {
+								if( arg.a[i] == null ) {
+									arr[i] = null; continue;
+								}
+	
+								if( typeof arg.a[i] != 'object' ) { 
+									arr[i] = arg.a[i];
+	
+								} else if( typeof arg.a[i] == 'object' 
+											&& arg.a[i]._isfieldmapper) {
+	
+									arr[i] = arg.a[i];
+	
+								} else {
+									arr[i] = object2Array(arg.a[i]);		
+								}
+							}
+							arg.a = arr;
+						}
+	
+						return "/*--S " + arg.classname + " --*/" + js2JSON(arg.a) + "/*--E " + arg.classname + " --*/";
+	
+					} else {
+	
+						if (arg.constructor == Array) {
+							o = '';
+							for (i = 0; i < arg.length; ++i) {
+								v = js2JSON(arg[i]);
+								if (o) {
+									o += ',';
+								}
+								if (v !== u) {
+									o += v;
+								} else {
+									o += 'null';
+								}
+							}
+							return '[' + o + ']';
+	
+						} else if (typeof arg.toString != 'undefined') {
+							o = '';
+							for (i in arg) {
+								v = js2JSON(arg[i]);
+								if (v !== u) {
+									if (o) {
+										o += ',';
+									}
+									o += js2JSON(i) + ':' + v;
+								}
+							}
+	
+							o = '{' + o + '}';
+							return o;
+	
+						} else {
+							return;
+						}
+					}
+				}
+				return 'null';
+	
+			case 'unknown':
+			case 'number':
+				if( isNaN(arg) ) throw "JSON.js encountered NaN in js2JSON()";
+				return arg;
+	
+			case 'undefined':
+			case 'function':
+				return u;
+	
+			case 'string':
+			default:
+				return '"' + String(arg).replace(/(["\\])/g, '\\$1') + '"';
+		}
+
+}
diff --git a/Open-ILS/src/javascript/backend/libs/jsonopensrfrequest.js b/Open-ILS/src/javascript/backend/libs/jsonopensrfrequest.js
new file mode 100644
index 0000000000..a37a095d9b
--- /dev/null
+++ b/Open-ILS/src/javascript/backend/libs/jsonopensrfrequest.js
@@ -0,0 +1,41 @@
+try {
+	load_lib('jsOO.js');
+	load_lib('JSON.js');
+} catch (e) {}
+
+var __jsonopensrfreqid = 1;
+var __jsonopensrfreq_hash = {};
+
+function JSONOpenSRFRequest () {
+        // Cache this for later ...
+        this._hash_id = __jsonopensrfreqid;
+        __jsonopensrfreqid++;
+}
+
+JSONOpenSRFRequest.method('open',function (service, method, async) {
+        this._service = service;
+        this._service = method;
+        this._async = (async ? 1 : 0);
+});
+
+JSONOpenSRFRequest.method('send', function () {
+
+        __jsonopensrfreq_hash['id' + this._hash_id] = {};
+
+	try {
+        	_OILS_FUNC_jsonopensrfrequest_send(this._hash_id,this._service,this._method,this._async,js2JSON(arguments));
+	} catch (e) {
+		alert("Sorry, no JSONOpenSRFRequest support");
+	}
+
+        this.responseText = __jsonopensrfreq_hash['id' + this._hash_id].responseText;
+        this.readyState = __jsonopensrfreq_hash['id' + this._hash_id].readyState;
+        this.status = __jsonopensrfreq_hash['id' + this._hash_id].status;
+        this.statusText = __jsonopensrfreq_hash['id' + this._hash_id].statusText;
+        this.responseJSON = JSON2js(this.responseText);
+
+        if (this._async)
+                this.onreadystatechange();
+});
+
+
-- 
2.43.2