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First pass at spearating out a 'core' library from the old api (default) branch

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Jesse Beder
2012-05-19 01:04:43 -05:00
parent fca7b7e190
commit 0d32d19ed8
18 changed files with 0 additions and 3993 deletions
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75
include/yaml-cpp/conversion.h
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#ifndef CONVERSION_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define CONVERSION_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/null.h"
#include "yaml-cpp/traits.h"
#include <limits>
#include <string>
#include <sstream>
namespace YAML
{
// traits for conversion
template<typename T>
struct is_scalar_convertible { enum { value = is_numeric<T>::value }; };
template<> struct is_scalar_convertible<std::string> { enum { value = true }; };
template<> struct is_scalar_convertible<bool> { enum { value = true }; };
template<> struct is_scalar_convertible<_Null> { enum { value = true }; };
// actual conversion
inline bool Convert(const std::string& input, std::string& output) {
output = input;
return true;
}
YAML_CPP_API bool Convert(const std::string& input, bool& output);
YAML_CPP_API bool Convert(const std::string& input, _Null& output);
inline bool IsInfinity(const std::string& input) {
return input == ".inf" || input == ".Inf" || input == ".INF" || input == "+.inf" || input == "+.Inf" || input == "+.INF";
}
inline bool IsNegativeInfinity(const std::string& input) {
return input == "-.inf" || input == "-.Inf" || input == "-.INF";
}
inline bool IsNaN(const std::string& input) {
return input == ".nan" || input == ".NaN" || input == ".NAN";
}
template <typename T>
inline bool Convert(const std::string& input, T& output, typename enable_if<is_numeric<T> >::type * = 0) {
std::stringstream stream(input);
stream.unsetf(std::ios::dec);
if((stream >> output) && (stream >> std::ws).eof())
return true;
if(std::numeric_limits<T>::has_infinity) {
if(IsInfinity(input)) {
output = std::numeric_limits<T>::infinity();
return true;
} else if(IsNegativeInfinity(input)) {
output = -std::numeric_limits<T>::infinity();
return true;
}
}
if(std::numeric_limits<T>::has_quiet_NaN && IsNaN(input)) {
output = std::numeric_limits<T>::quiet_NaN();
return true;
}
return false;
}
}
#endif // CONVERSION_H_62B23520_7C8E_11DE_8A39_0800200C9A66

40
include/yaml-cpp/iterator.h
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#ifndef ITERATOR_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define ITERATOR_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 <memory>
namespace YAML
{
class Node;
struct IterPriv;
class YAML_CPP_API Iterator
{
public:
Iterator();
Iterator(std::auto_ptr<IterPriv> pData);
Iterator(const Iterator& rhs);
~Iterator();
Iterator& operator = (const Iterator& rhs);
Iterator& operator ++ ();
Iterator operator ++ (int);
const Node& operator * () const;
const Node *operator -> () const;
const Node& first() const;
const Node& second() const;
friend YAML_CPP_API bool operator == (const Iterator& it, const Iterator& jt);
friend YAML_CPP_API bool operator != (const Iterator& it, const Iterator& jt);
private:
std::auto_ptr<IterPriv> m_pData;
};
}
#endif // ITERATOR_H_62B23520_7C8E_11DE_8A39_0800200C9A66

18
include/yaml-cpp/ltnode.h
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#ifndef LTNODE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define LTNODE_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
namespace YAML
{
class Node;
struct ltnode {
bool operator()(const Node *pNode1, const Node *pNode2) const;
};
}
#endif // LTNODE_H_62B23520_7C8E_11DE_8A39_0800200C9A66

135
include/yaml-cpp/node.h
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#ifndef NODE_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODE_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/exceptions.h"
#include "yaml-cpp/mark.h"
#include "yaml-cpp/noncopyable.h"
#include "yaml-cpp/conversion.h"
#include "yaml-cpp/iterator.h"
#include "yaml-cpp/ltnode.h"
#include <iostream>
#include <map>
#include <memory>
#include <string>
#include <vector>
namespace YAML
{
class AliasManager;
class Content;
class NodeOwnership;
class Scanner;
class Emitter;
class EventHandler;
struct NodeType { enum value { Null, Scalar, Sequence, Map }; };
class YAML_CPP_API Node: private noncopyable
{
public:
friend class NodeOwnership;
friend class NodeBuilder;
Node();
~Node();
void Clear();
std::auto_ptr<Node> Clone() const;
void EmitEvents(EventHandler& eventHandler) const;
void EmitEvents(AliasManager& am, EventHandler& eventHandler) const;
NodeType::value Type() const { return m_type; }
bool IsAliased() const;
// file location of start of this node
const Mark GetMark() const { return m_mark; }
// accessors
Iterator begin() const;
Iterator end() const;
std::size_t size() const;
// extraction of scalars
bool GetScalar(std::string& s) const;
// we can specialize this for other values
template <typename T>
bool Read(T& value) const;
template <typename T>
const T to() const;
template <typename T>
friend YAML_CPP_API typename enable_if<is_scalar_convertible<T> >::type operator >> (const Node& node, T& value);
// retrieval for maps and sequences
template <typename T>
const Node *FindValue(const T& key) const;
template <typename T>
const Node& operator [] (const T& key) const;
// specific to maps
const Node *FindValue(const char *key) const;
const Node *FindValue(char *key) const;
const Node& operator [] (const char *key) const;
const Node& operator [] (char *key) const;
// for tags
const std::string& Tag() const { return m_tag; }
// emitting
friend YAML_CPP_API Emitter& operator << (Emitter& out, const Node& node);
// ordering
int Compare(const Node& rhs) const;
friend bool operator < (const Node& n1, const Node& n2);
private:
explicit Node(NodeOwnership& owner);
Node& CreateNode();
void Init(NodeType::value type, const Mark& mark, const std::string& tag);
void MarkAsAliased();
void SetScalarData(const std::string& data);
void Append(Node& node);
void Insert(Node& key, Node& value);
// helper for sequences
template <typename, bool> friend struct _FindFromNodeAtIndex;
const Node *FindAtIndex(std::size_t i) const;
// helper for maps
template <typename T>
const Node& GetValue(const T& key) const;
template <typename T>
const Node *FindValueForKey(const T& key) const;
private:
std::auto_ptr<NodeOwnership> m_pOwnership;
Mark m_mark;
std::string m_tag;
typedef std::vector<Node *> node_seq;
typedef std::map<Node *, Node *, ltnode> node_map;
NodeType::value m_type;
std::string m_scalarData;
node_seq m_seqData;
node_map m_mapData;
};
}
#include "yaml-cpp/nodeimpl.h"
#include "yaml-cpp/nodereadimpl.h"
#endif // NODE_H_62B23520_7C8E_11DE_8A39_0800200C9A66

85
include/yaml-cpp/nodeimpl.h
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#ifndef NODEIMPL_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODEIMPL_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/nodeutil.h"
#include <cassert>
namespace YAML
{
// implementation of templated things
template <typename T>
inline const T Node::to() const {
T value;
*this >> value;
return value;
}
template <typename T>
inline typename enable_if<is_scalar_convertible<T> >::type operator >> (const Node& node, T& value) {
if(!ConvertScalar(node, value))
throw InvalidScalar(node.m_mark);
}
template <typename T>
inline const Node *Node::FindValue(const T& key) const {
switch(m_type) {
case NodeType::Null:
case NodeType::Scalar:
throw BadDereference();
case NodeType::Sequence:
return FindFromNodeAtIndex(*this, key);
case NodeType::Map:
return FindValueForKey(key);
}
assert(false);
throw BadDereference();
}
template <typename T>
inline const Node *Node::FindValueForKey(const T& key) const {
for(Iterator it=begin();it!=end();++it) {
T t;
if(it.first().Read(t)) {
if(key == t)
return &it.second();
}
}
return 0;
}
template <typename T>
inline const Node& Node::GetValue(const T& key) const {
if(const Node *pValue = FindValue(key))
return *pValue;
throw MakeTypedKeyNotFound(m_mark, key);
}
template <typename T>
inline const Node& Node::operator [] (const T& key) const {
return GetValue(key);
}
inline const Node *Node::FindValue(const char *key) const {
return FindValue(std::string(key));
}
inline const Node *Node::FindValue(char *key) const {
return FindValue(std::string(key));
}
inline const Node& Node::operator [] (const char *key) const {
return GetValue(std::string(key));
}
inline const Node& Node::operator [] (char *key) const {
return GetValue(std::string(key));
}
}
#endif // NODEIMPL_H_62B23520_7C8E_11DE_8A39_0800200C9A66

86
include/yaml-cpp/nodereadimpl.h
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#ifndef NODEREADIMPL_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODEREADIMPL_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
namespace YAML
{
// implementation for Node::Read
// (the goal is to call ConvertScalar if we can, and fall back to operator >> if not)
// thanks to litb from stackoverflow.com
// http://stackoverflow.com/questions/1386183/how-to-call-a-templated-function-if-it-exists-and-something-else-otherwise/1386390#1386390
// Note: this doesn't work on gcc 3.2, but does on gcc 3.4 and above. I'm not sure about 3.3.
#if __GNUC__ && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ <= 3))
// trick doesn't work? Just fall back to ConvertScalar.
// This means that we can't use any user-defined types as keys in a map
template <typename T>
inline bool Node::Read(T& value) const {
return ConvertScalar(*this, value);
}
#else
// usual case: the trick!
template<bool>
struct read_impl;
// ConvertScalar available
template<>
struct read_impl<true> {
template<typename T>
static bool read(const Node& node, T& value) {
return ConvertScalar(node, value);
}
};
// ConvertScalar not available
template<>
struct read_impl<false> {
template<typename T>
static bool read(const Node& node, T& value) {
try {
node >> value;
} catch(const Exception&) {
return false;
}
return true;
}
};
namespace fallback {
// sizeof > 1
struct flag { char c[2]; };
flag Convert(...);
int operator,(flag, flag);
template<typename T>
char operator,(flag, T const&);
char operator,(int, flag);
int operator,(char, flag);
}
template <typename T>
inline bool Node::Read(T& value) const {
using namespace fallback;
return read_impl<sizeof (fallback::flag(), Convert(std::string(), value), fallback::flag()) != 1>::read(*this, value);
}
#endif // done with trick
// the main conversion function
template <typename T>
inline bool ConvertScalar(const Node& node, T& value) {
std::string scalar;
if(!node.GetScalar(scalar))
return false;
return Convert(scalar, value);
}
}
#endif // NODEREADIMPL_H_62B23520_7C8E_11DE_8A39_0800200C9A66

62
include/yaml-cpp/nodeutil.h
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#ifndef NODEUTIL_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODEUTIL_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
namespace YAML
{
template <typename T, typename U>
struct is_same_type {
enum { value = false };
};
template <typename T>
struct is_same_type<T, T> {
enum { value = true };
};
template <typename T, bool check>
struct is_index_type_with_check {
enum { value = false };
};
template <> struct is_index_type_with_check<std::size_t, false> { enum { value = true }; };
#define MAKE_INDEX_TYPE(Type) \
template <> struct is_index_type_with_check<Type, is_same_type<Type, std::size_t>::value> { enum { value = true }; }
MAKE_INDEX_TYPE(int);
MAKE_INDEX_TYPE(unsigned);
MAKE_INDEX_TYPE(short);
MAKE_INDEX_TYPE(unsigned short);
MAKE_INDEX_TYPE(long);
MAKE_INDEX_TYPE(unsigned long);
#undef MAKE_INDEX_TYPE
template <typename T>
struct is_index_type: public is_index_type_with_check<T, false> {};
// messing around with template stuff to get the right overload for operator [] for a sequence
template <typename T, bool b>
struct _FindFromNodeAtIndex {
const Node *pRet;
_FindFromNodeAtIndex(const Node&, const T&): pRet(0) {}
};
template <typename T>
struct _FindFromNodeAtIndex<T, true> {
const Node *pRet;
_FindFromNodeAtIndex(const Node& node, const T& key): pRet(node.FindAtIndex(static_cast<std::size_t>(key))) {}
};
template <typename T>
inline const Node *FindFromNodeAtIndex(const Node& node, const T& key) {
return _FindFromNodeAtIndex<T, is_index_type<T>::value>(node, key).pRet;
}
}
#endif // NODEUTIL_H_62B23520_7C8E_11DE_8A39_0800200C9A66