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Diffstat (limited to 'yaml-cpp/include/yaml-cpp/emitter.h')
| -rwxr-xr-x | yaml-cpp/include/yaml-cpp/emitter.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/yaml-cpp/include/yaml-cpp/emitter.h b/yaml-cpp/include/yaml-cpp/emitter.h new file mode 100755 index 00000000..1d7edf2f --- /dev/null +++ b/yaml-cpp/include/yaml-cpp/emitter.h @@ -0,0 +1,186 @@ +#ifndef EMITTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66 +#define EMITTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66 + +#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4 +#pragma once +#endif + + +#include "yaml-cpp/dll.h" +#include "yaml-cpp/binary.h" +#include "yaml-cpp/emittermanip.h" +#include "yaml-cpp/ostream.h" +#include "yaml-cpp/noncopyable.h" +#include "yaml-cpp/null.h" +#include <memory> +#include <string> +#include <sstream> + +namespace YAML +{ + class EmitterState; + + class YAML_CPP_API Emitter: private noncopyable + { + public: + Emitter(); + ~Emitter(); + + // output + const char *c_str() const; + unsigned size() const; + + // state checking + bool good() const; + const std::string GetLastError() const; + + // global setters + bool SetOutputCharset(EMITTER_MANIP value); + bool SetStringFormat(EMITTER_MANIP value); + bool SetBoolFormat(EMITTER_MANIP value); + bool SetIntBase(EMITTER_MANIP value); + bool SetSeqFormat(EMITTER_MANIP value); + bool SetMapFormat(EMITTER_MANIP value); + bool SetIndent(unsigned n); + bool SetPreCommentIndent(unsigned n); + bool SetPostCommentIndent(unsigned n); + bool SetFloatPrecision(unsigned n); + bool SetDoublePrecision(unsigned n); + + // local setters + Emitter& SetLocalValue(EMITTER_MANIP value); + Emitter& SetLocalIndent(const _Indent& indent); + Emitter& SetLocalPrecision(const _Precision& precision); + + // overloads of write + Emitter& Write(const std::string& str); + Emitter& Write(bool b); + Emitter& Write(char ch); + Emitter& Write(const _Alias& alias); + Emitter& Write(const _Anchor& anchor); + Emitter& Write(const _Tag& tag); + Emitter& Write(const _Comment& comment); + Emitter& Write(const _Null& null); + Emitter& Write(const Binary& binary); + + template <typename T> + Emitter& WriteIntegralType(T value); + + template <typename T> + Emitter& WriteStreamable(T value); + + private: + void PreWriteIntegralType(std::stringstream& str); + void PreWriteStreamable(std::stringstream& str); + void PostWriteIntegralType(const std::stringstream& str); + void PostWriteStreamable(const std::stringstream& str); + + template<typename T> void SetStreamablePrecision(std::stringstream&) {} + unsigned GetFloatPrecision() const; + unsigned GetDoublePrecision() const; + + private: + void PreAtomicWrite(); + bool GotoNextPreAtomicState(); + void PostAtomicWrite(); + void EmitSeparationIfNecessary(); + + void EmitBeginDoc(); + void EmitEndDoc(); + void EmitBeginSeq(); + void EmitEndSeq(); + void EmitBeginMap(); + void EmitEndMap(); + void EmitKey(); + void EmitValue(); + void EmitNewline(); + void EmitKindTag(); + void EmitTag(bool verbatim, const _Tag& tag); + + const char *ComputeFullBoolName(bool b) const; + bool CanEmitNewline() const; + + private: + ostream m_stream; + std::auto_ptr <EmitterState> m_pState; + }; + + template <typename T> + inline Emitter& Emitter::WriteIntegralType(T value) + { + if(!good()) + return *this; + + std::stringstream str; + PreWriteIntegralType(str); + str << value; + PostWriteIntegralType(str); + return *this; + } + + template <typename T> + inline Emitter& Emitter::WriteStreamable(T value) + { + if(!good()) + return *this; + + std::stringstream str; + PreWriteStreamable(str); + SetStreamablePrecision<T>(str); + str << value; + PostWriteStreamable(str); + return *this; + } + + template<> + inline void Emitter::SetStreamablePrecision<float>(std::stringstream& str) + { + str.precision(GetFloatPrecision()); + } + + template<> + inline void Emitter::SetStreamablePrecision<double>(std::stringstream& str) + { + str.precision(GetDoublePrecision()); + } + + // overloads of insertion + inline Emitter& operator << (Emitter& emitter, const std::string& v) { return emitter.Write(v); } + inline Emitter& operator << (Emitter& emitter, bool v) { return emitter.Write(v); } + inline Emitter& operator << (Emitter& emitter, char v) { return emitter.Write(v); } + inline Emitter& operator << (Emitter& emitter, unsigned char v) { return emitter.Write(static_cast<char>(v)); } + inline Emitter& operator << (Emitter& emitter, const _Alias& v) { return emitter.Write(v); } + inline Emitter& operator << (Emitter& emitter, const _Anchor& v) { return emitter.Write(v); } + inline Emitter& operator << (Emitter& emitter, const _Tag& v) { return emitter.Write(v); } + inline Emitter& operator << (Emitter& emitter, const _Comment& v) { return emitter.Write(v); } + inline Emitter& operator << (Emitter& emitter, const _Null& v) { return emitter.Write(v); } + inline Emitter& operator << (Emitter& emitter, const Binary& b) { return emitter.Write(b); } + + inline Emitter& operator << (Emitter& emitter, const char *v) { return emitter.Write(std::string(v)); } + + inline Emitter& operator << (Emitter& emitter, int v) { return emitter.WriteIntegralType(v); } + inline Emitter& operator << (Emitter& emitter, unsigned int v) { return emitter.WriteIntegralType(v); } + inline Emitter& operator << (Emitter& emitter, short v) { return emitter.WriteIntegralType(v); } + inline Emitter& operator << (Emitter& emitter, unsigned short v) { return emitter.WriteIntegralType(v); } + inline Emitter& operator << (Emitter& emitter, long v) { return emitter.WriteIntegralType(v); } + inline Emitter& operator << (Emitter& emitter, unsigned long v) { return emitter.WriteIntegralType(v); } + inline Emitter& operator << (Emitter& emitter, long long v) { return emitter.WriteIntegralType(v); } + inline Emitter& operator << (Emitter& emitter, unsigned long long v) { return emitter.WriteIntegralType(v); } + + inline Emitter& operator << (Emitter& emitter, float v) { return emitter.WriteStreamable(v); } + inline Emitter& operator << (Emitter& emitter, double v) { return emitter.WriteStreamable(v); } + + inline Emitter& operator << (Emitter& emitter, EMITTER_MANIP value) { + return emitter.SetLocalValue(value); + } + + inline Emitter& operator << (Emitter& emitter, _Indent indent) { + return emitter.SetLocalIndent(indent); + } + + inline Emitter& operator << (Emitter& emitter, _Precision precision) { + return emitter.SetLocalPrecision(precision); + } +} + +#endif // EMITTER_H_62B23520_7C8E_11DE_8A39_0800200C9A66 |