Json::Path Class Reference

Experimental and untested: represents a "path" to access a node. More...

#include <json/value.h>

Collaboration diagram for Json::Path:

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List of all members.

Public Member Functions
	Path (const std::string &path, const PathArgument &a1=PathArgument(), const PathArgument &a2=PathArgument(), const PathArgument &a3=PathArgument(), const PathArgument &a4=PathArgument(), const PathArgument &a5=PathArgument())
const Value &	resolve (const Value &root) const
Value	resolve (const Value &root, const Value &defaultValue) const
Value &	make (Value &root) const
	Creates the "path" to access the specified node and returns a reference on the node.

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Detailed Description

Experimental and untested: represents a "path" to access a node.

Syntax:

• "." => root node
• ".[n]" => elements at index 'n' of root node (an array value)
• ".name" => member named 'name' of root node (an object value)
• ".name1.name2.name3"
• ".[0][1][2].name1[3]"
• ".%" => member name is provided as parameter
• ".[%]" => index is provied as parameter

Definition at line 537 of file value.h.

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Constructor & Destructor Documentation

Json::Path::Path	(	const std::string &	path,
		const PathArgument &	a1 = PathArgument(),
		const PathArgument &	a2 = PathArgument(),
		const PathArgument &	a3 = PathArgument(),
		const PathArgument &	a4 = PathArgument(),
		const PathArgument &	a5 = PathArgument()
	)

Definition at line 1652 of file json_value.cpp.

References Json::in().

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Member Function Documentation

Value & Json::Path::make

(

Value &

root

)

const

Creates the "path" to access the specified node and returns a reference on the node.

Definition at line 1802 of file json_value.cpp.

References Json::Value::isArray(), and Json::Value::isObject().

Value Json::Path::resolve	(	const Value &	root,
		const Value &	defaultValue
	)			const

Definition at line 1775 of file json_value.cpp.

References Json::Value::isArray(), Json::Value::isObject(), Json::Value::isValidIndex(), and Json::Value::null.

const Value & Json::Path::resolve

(

const Value &

root

)

const

Definition at line 1743 of file json_value.cpp.

References Json::Value::isArray(), Json::Value::isObject(), Json::Value::isValidIndex(), and Json::Value::null.

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The documentation for this class was generated from the following files:

• include/json/value.h
• src/lib_json/json_value.cpp