Copy JSON from SandBox to trunk

2025-10-27 19:10:20 +01:00 · 2012-04-29 20:09:55 +00:00
parent 5a639074d9
commit 95c62c00df
121 changed files with 5085 additions and 0 deletions
--- a/JSON/src/Query.cpp
+++ b/JSON/src/Query.cpp
@@ -0,0 +1,141 @@
+//
+// Query.cpp
+//
+// $Id$
+//
+// Library: JSON
+// Package: JSON
+// Module:  Query
+//
+// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+//
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+#include <sstream>
+
+#include "Poco/StringTokenizer.h"
+#include "Poco/RegularExpression.h"
+#include "Poco/NumberParser.h"
+
+#include "Poco/JSON/Query.h"
+
+namespace Poco
+{
+namespace JSON
+{
+
+Query::Query(const DynamicAny& source) : _source(source)
+{
+
+}
+
+Query::~Query()
+{
+}
+
+Object::Ptr Query::findObject(const std::string& path) const
+{
+	Object::Ptr obj;
+	DynamicAny result = find(path);
+	if ( result.type() == typeid(Object::Ptr) )
+	{
+		obj = result.extract<Object::Ptr>();
+	}
+	return obj;
+}
+
+Array::Ptr Query::findArray(const std::string& path) const
+{
+	Array::Ptr arr;
+	DynamicAny result = find(path);
+	if ( result.type() == typeid(Array::Ptr) )
+	{
+		arr = result.extract<Array::Ptr>();
+	}
+	return arr;
+}
+
+
+DynamicAny Query::find(const std::string& path) const
+{
+	DynamicAny result = _source;
+	StringTokenizer tokenizer(path, ".");
+	for(StringTokenizer::Iterator token = tokenizer.begin(); token != tokenizer.end(); token++)
+	{
+		if ( !result.isEmpty() )
+		{
+			std::vector<int> indexes;
+			RegularExpression::MatchVec matches;
+			int firstOffset = -1;
+			int offset = 0;
+			RegularExpression regex("\\[([0-9]+)\\]");
+			while(regex.match(*token, offset, matches) > 0 )
+			{
+				if ( firstOffset == -1 )
+				{
+					firstOffset = matches[0].offset;
+				}
+				std::string num = token->substr(matches[1].offset, matches[1].length);
+				indexes.push_back(NumberParser::parse(num));
+				offset = matches[0].offset + matches[0].length;
+			}
+
+			std::string name(*token);
+			if ( firstOffset != -1 )
+			{
+				name = name.substr(0, firstOffset);
+			}
+
+			if ( name.length() > 0 )
+			{
+				if ( result.type() == typeid(Object::Ptr) )
+				{
+					Object::Ptr o = result.extract<Object::Ptr>();
+					result = o->get(name);
+				}
+			}
+
+			if (    !result.isEmpty()
+			        && !indexes.empty() )
+			{
+				for(std::vector<int>::iterator it = indexes.begin(); it != indexes.end(); ++it )
+				{
+					if ( result.type() == typeid(Array::Ptr) )
+					{
+						Array::Ptr array = result.extract<Array::Ptr>();
+						result = array->get(*it);
+						if ( result.isEmpty() )
+						{
+							break;
+						}
+					}
+				}
+			}
+		}
+	}
+	return result;
+}
+
+}} // Namespace Poco::JSON