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author | mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f> | 2008-11-13 09:49:11 +0000 |
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committer | mensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f> | 2008-11-13 09:49:11 +0000 |
commit | e44a7e37b6c7b5961adaffc62b9042b8d442938e (patch) | |
tree | 95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojo/_base/json.js | |
parent | a62b9742ee5e28bcec6872d88f50f25b820914f6 (diff) | |
download | semanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz semanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.bz2 |
New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
Diffstat (limited to 'includes/js/dojo/_base/json.js')
-rw-r--r-- | includes/js/dojo/_base/json.js | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/includes/js/dojo/_base/json.js b/includes/js/dojo/_base/json.js new file mode 100644 index 0000000..55d8035 --- /dev/null +++ b/includes/js/dojo/_base/json.js @@ -0,0 +1,137 @@ +if(!dojo._hasResource["dojo._base.json"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojo._base.json"] = true; +dojo.provide("dojo._base.json"); + +dojo.fromJson = function(/*String*/ json){ + // summary: + // Parses a [JSON](http://json.org) string to return a JavaScript object. + // json: + // a string literal of a JSON item, for instance: + // `'{ "foo": [ "bar", 1, { "baz": "thud" } ] }'` + + return eval("(" + json + ")"); // Object +} + +dojo._escapeString = function(/*String*/str){ + //summary: + // Adds escape sequences for non-visual characters, double quote and + // backslash and surrounds with double quotes to form a valid string + // literal. + return ('"' + str.replace(/(["\\])/g, '\\$1') + '"'). + replace(/[\f]/g, "\\f").replace(/[\b]/g, "\\b").replace(/[\n]/g, "\\n"). + replace(/[\t]/g, "\\t").replace(/[\r]/g, "\\r"); // string +} + +dojo.toJsonIndentStr = "\t"; +dojo.toJson = function(/*Object*/ it, /*Boolean?*/ prettyPrint, /*String?*/ _indentStr){ + // summary: + // Returns a [JSON](http://json.org) serialization of an object. + // + // description: + // Returns a [JSON](http://json.org) serialization of an object. + // Note that this doesn't check for infinite recursion, so don't do that! + // + // it: + // an object to be serialized. Objects may define their own + // serialization via a special "__json__" or "json" function + // property. If a specialized serializer has been defined, it will + // be used as a fallback. + // + // prettyPrint: + // if true, we indent objects and arrays to make the output prettier. + // The variable dojo.toJsonIndentStr is used as the indent string + // -- to use something other than the default (tab), + // change that variable before calling dojo.toJson(). + // + // _indentStr: + // private variable for recursive calls when pretty printing, do not use. + + if(it === undefined){ + return "undefined"; + } + var objtype = typeof it; + if(objtype == "number" || objtype == "boolean"){ + return it + ""; + } + if(it === null){ + return "null"; + } + if(dojo.isString(it)){ + return dojo._escapeString(it); + } + if(it.nodeType && it.cloneNode){ // isNode + return ""; // FIXME: would something like outerHTML be better here? + } + // recurse + var recurse = arguments.callee; + // short-circuit for objects that support "json" serialization + // if they return "self" then just pass-through... + var newObj; + _indentStr = _indentStr || ""; + var nextIndent = prettyPrint ? _indentStr + dojo.toJsonIndentStr : ""; + if(typeof it.__json__ == "function"){ + newObj = it.__json__(); + if(it !== newObj){ + return recurse(newObj, prettyPrint, nextIndent); + } + } + if(typeof it.json == "function"){ + newObj = it.json(); + if(it !== newObj){ + return recurse(newObj, prettyPrint, nextIndent); + } + } + + var sep = prettyPrint ? " " : ""; + var newLine = prettyPrint ? "\n" : ""; + + // array + if(dojo.isArray(it)){ + var res = dojo.map(it, function(obj){ + var val = recurse(obj, prettyPrint, nextIndent); + if(typeof val != "string"){ + val = "undefined"; + } + return newLine + nextIndent + val; + }); + return "[" + res.join("," + sep) + newLine + _indentStr + "]"; + } + /* + // look in the registry + try { + window.o = it; + newObj = dojo.json.jsonRegistry.match(it); + return recurse(newObj, prettyPrint, nextIndent); + }catch(e){ + // console.debug(e); + } + // it's a function with no adapter, skip it + */ + if(objtype == "function"){ + return null; // null + } + // generic object code path + var output = []; + for(var key in it){ + var keyStr; + if(typeof key == "number"){ + keyStr = '"' + key + '"'; + }else if(typeof key == "string"){ + keyStr = dojo._escapeString(key); + }else{ + // skip non-string or number keys + continue; + } + val = recurse(it[key], prettyPrint, nextIndent); + if(typeof val != "string"){ + // skip non-serializable values + continue; + } + // FIXME: use += on Moz!! + // MOW NOTE: using += is a pain because you have to account for the dangling comma... + output.push(newLine + nextIndent + keyStr + ":" + sep + val); + } + return "{" + output.join("," + sep) + newLine + _indentStr + "}"; // String +} + +} |