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NCBI C++ ToolKit: RapidJSON configuration

Configuration macros for library features. More...

Configuration macros for library features.

Some RapidJSON features are configurable to adapt the library to a wide variety of platforms, environments and usage scenarios. Most of the features can be configured in terms of overriden or predefined preprocessor macros at compile-time.

Some additional customization is available in the RapidJSON error handling APIs.

Note

These macros should be given on the compiler command-line (where applicable) to avoid inconsistent values when compiling different translation units of a single application.

Use only lower 48-bit address for some pointers.

This optimization uses the fact that current X86-64 architecture only implement lower 48-bit virtual address. The higher 16-bit can be used for storing other data. GenericValue uses this optimization to reduce its size form 24 bytes to 16 bytes in 64-bit architecture.

Definition at line 307 of file rapidjson.h.

Data alignment of the machine.

Parameters

Some machines require strict data alignment. Currently the default uses 4 bytes alignment on 32-bit platforms and 8 bytes alignment for 64-bit platforms. User can customize by defining the RAPIDJSON_ALIGN function macro.

Definition at line 275 of file rapidjson.h.

Enable RapidJSON support for std::string.

By defining this preprocessor symbol to 1, several convenience functions for using rapidjson::GenericValue with std::string are enabled, especially for construction and comparison.

Compiler branching hint for expression with high probability to be true.

Parameters

x Boolean expression likely to be true.

Definition at line 455 of file rapidjson.h.

Major version of RapidJSON in integer.

Definition at line 70 of file rapidjson.h.

Minor version of RapidJSON in integer.

Definition at line 71 of file rapidjson.h.

provide custom rapidjson namespace

In order to avoid symbol clashes and/or "One Definition Rule" errors between multiple inclusions of (different versions of) RapidJSON in a single binary, users can customize the name of the main RapidJSON namespace.

In case of a single nesting level, defining RAPIDJSON_NAMESPACE to a custom name (e.g. MyRapidJSON) is sufficient. If multiple levels are needed, both RAPIDJSON_NAMESPACE_BEGIN and RAPIDJSON_NAMESPACE_END need to be defined as well:

#define RAPIDJSON_NAMESPACE my::rapidjson

#define RAPIDJSON_NAMESPACE_BEGIN namespace my { namespace rapidjson {

#define RAPIDJSON_NAMESPACE_END } }

#include "rapidjson/..."

See also

rapidjson

Definition at line 113 of file rapidjson.h.

User-defined kParseDefaultFlags definition.

User can define this as any ParseFlag combinations.

Definition at line 139 of file reader.h.

Patch version of RapidJSON in integer.

Definition at line 72 of file rapidjson.h.

Compiler branching hint for expression with low probability to be true.

Parameters

x Boolean expression unlikely to be true.

Definition at line 468 of file rapidjson.h.

Version of RapidJSON in "<major>.<minor>.<patch>" string format.

Definition at line 73 of file rapidjson.h.

User-defined kWriteDefaultFlags definition.

User can define this as any WriteFlag combinations.

Definition at line 60 of file writer.h.

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