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

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This commit is contained in:
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

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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

29
src/aliasmanager.cpp
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#include "yaml-cpp/aliasmanager.h"
#include "yaml-cpp/node.h"
#include <cassert>
#include <sstream>
namespace YAML
{
AliasManager::AliasManager(): m_curAnchor(0)
{
}
void AliasManager::RegisterReference(const Node& node)
{
m_anchorByIdentity.insert(std::make_pair(&node, _CreateNewAnchor()));
}
anchor_t AliasManager::LookupAnchor(const Node& node) const
{
AnchorByIdentity::const_iterator it = m_anchorByIdentity.find(&node);
if(it == m_anchorByIdentity.end())
return 0;
return it->second;
}
anchor_t AliasManager::_CreateNewAnchor()
{
return ++m_curAnchor;
}
}

89
src/conversion.cpp
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#include "yaml-cpp/conversion.h"
#include <algorithm>
////////////////////////////////////////////////////////////////
// Specializations for converting a string to specific types
namespace
{
// we're not gonna mess with the mess that is all the isupper/etc. functions
bool IsLower(char ch) { return 'a' <= ch && ch <= 'z'; }
bool IsUpper(char ch) { return 'A' <= ch && ch <= 'Z'; }
char ToLower(char ch) { return IsUpper(ch) ? ch + 'a' - 'A' : ch; }
std::string tolower(const std::string& str)
{
std::string s(str);
std::transform(s.begin(), s.end(), s.begin(), ToLower);
return s;
}
template <typename T>
bool IsEntirely(const std::string& str, T func)
{
for(std::size_t i=0;i<str.size();i++)
if(!func(str[i]))
return false;
return true;
}
// IsFlexibleCase
// . Returns true if 'str' is:
// . UPPERCASE
// . lowercase
// . Capitalized
bool IsFlexibleCase(const std::string& str)
{
if(str.empty())
return true;
if(IsEntirely(str, IsLower))
return true;
bool firstcaps = IsUpper(str[0]);
std::string rest = str.substr(1);
return firstcaps && (IsEntirely(rest, IsLower) || IsEntirely(rest, IsUpper));
}
}
namespace YAML
{
bool Convert(const std::string& input, bool& b)
{
// we can't use iostream bool extraction operators as they don't
// recognize all possible values in the table below (taken from
// http://yaml.org/type/bool.html)
static const struct {
std::string truename, falsename;
} names[] = {
{ "y", "n" },
{ "yes", "no" },
{ "true", "false" },
{ "on", "off" },
};
if(!IsFlexibleCase(input))
return false;
for(unsigned i=0;i<sizeof(names)/sizeof(names[0]);i++) {
if(names[i].truename == tolower(input)) {
b = true;
return true;
}
if(names[i].falsename == tolower(input)) {
b = false;
return true;
}
}
return false;
}
bool Convert(const std::string& input, _Null& /*output*/)
{
return input.empty() || input == "~" || input == "null" || input == "Null" || input == "NULL";
}
}

103
src/iterator.cpp
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#include "yaml-cpp/node.h"
#include "yaml-cpp/exceptions.h"
#include "iterpriv.h"
namespace YAML
{
Iterator::Iterator(): m_pData(new IterPriv)
{
}
Iterator::Iterator(std::auto_ptr<IterPriv> pData): m_pData(pData)
{
}
Iterator::Iterator(const Iterator& rhs): m_pData(new IterPriv(*rhs.m_pData))
{
}
Iterator& Iterator::operator = (const Iterator& rhs)
{
if(this == &rhs)
return *this;
m_pData.reset(new IterPriv(*rhs.m_pData));
return *this;
}
Iterator::~Iterator()
{
}
Iterator& Iterator::operator ++ ()
{
if(m_pData->type == IterPriv::IT_SEQ)
++m_pData->seqIter;
else if(m_pData->type == IterPriv::IT_MAP)
++m_pData->mapIter;
return *this;
}
Iterator Iterator::operator ++ (int)
{
Iterator temp = *this;
if(m_pData->type == IterPriv::IT_SEQ)
++m_pData->seqIter;
else if(m_pData->type == IterPriv::IT_MAP)
++m_pData->mapIter;
return temp;
}
const Node& Iterator::operator * () const
{
if(m_pData->type == IterPriv::IT_SEQ)
return **m_pData->seqIter;
throw BadDereference();
}
const Node *Iterator::operator -> () const
{
if(m_pData->type == IterPriv::IT_SEQ)
return *m_pData->seqIter;
throw BadDereference();
}
const Node& Iterator::first() const
{
if(m_pData->type == IterPriv::IT_MAP)
return *m_pData->mapIter->first;
throw BadDereference();
}
const Node& Iterator::second() const
{
if(m_pData->type == IterPriv::IT_MAP)
return *m_pData->mapIter->second;
throw BadDereference();
}
bool operator == (const Iterator& it, const Iterator& jt)
{
if(it.m_pData->type != jt.m_pData->type)
return false;
if(it.m_pData->type == IterPriv::IT_SEQ)
return it.m_pData->seqIter == jt.m_pData->seqIter;
else if(it.m_pData->type == IterPriv::IT_MAP)
return it.m_pData->mapIter == jt.m_pData->mapIter;
return true;
}
bool operator != (const Iterator& it, const Iterator& jt)
{
return !(it == jt);
}
}

33
src/iterpriv.h
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#ifndef ITERPRIV_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define ITERPRIV_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/ltnode.h"
#include <vector>
#include <map>
namespace YAML
{
class Node;
// IterPriv
// . The implementation for iterators - essentially a union of sequence and map iterators.
struct IterPriv
{
IterPriv(): type(IT_NONE) {}
IterPriv(std::vector <Node *>::const_iterator it): type(IT_SEQ), seqIter(it) {}
IterPriv(std::map <Node *, Node *, ltnode>::const_iterator it): type(IT_MAP), mapIter(it) {}
enum ITER_TYPE { IT_NONE, IT_SEQ, IT_MAP };
ITER_TYPE type;
std::vector <Node *>::const_iterator seqIter;
std::map <Node *, Node *, ltnode>::const_iterator mapIter;
};
}
#endif // ITERPRIV_H_62B23520_7C8E_11DE_8A39_0800200C9A66

269
src/node.cpp
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#include "yaml-cpp/node.h"
#include "yaml-cpp/aliasmanager.h"
#include "yaml-cpp/emitfromevents.h"
#include "yaml-cpp/emitter.h"
#include "yaml-cpp/eventhandler.h"
#include "iterpriv.h"
#include "nodebuilder.h"
#include "nodeownership.h"
#include "scanner.h"
#include "tag.h"
#include "token.h"
#include <cassert>
#include <stdexcept>
namespace YAML
{
bool ltnode::operator()(const Node *pNode1, const Node *pNode2) const {
return *pNode1 < *pNode2;
}
Node::Node(): m_pOwnership(new NodeOwnership), m_type(NodeType::Null)
{
}
Node::Node(NodeOwnership& owner): m_pOwnership(new NodeOwnership(&owner)), m_type(NodeType::Null)
{
}
Node::~Node()
{
Clear();
}
void Node::Clear()
{
m_pOwnership.reset(new NodeOwnership);
m_type = NodeType::Null;
m_tag.clear();
m_scalarData.clear();
m_seqData.clear();
m_mapData.clear();
}
bool Node::IsAliased() const
{
return m_pOwnership->IsAliased(*this);
}
Node& Node::CreateNode()
{
return m_pOwnership->Create();
}
std::auto_ptr<Node> Node::Clone() const
{
std::auto_ptr<Node> pNode(new Node);
NodeBuilder nodeBuilder(*pNode);
EmitEvents(nodeBuilder);
return pNode;
}
void Node::EmitEvents(EventHandler& eventHandler) const
{
eventHandler.OnDocumentStart(m_mark);
AliasManager am;
EmitEvents(am, eventHandler);
eventHandler.OnDocumentEnd();
}
void Node::EmitEvents(AliasManager& am, EventHandler& eventHandler) const
{
anchor_t anchor = NullAnchor;
if(IsAliased()) {
anchor = am.LookupAnchor(*this);
if(anchor) {
eventHandler.OnAlias(m_mark, anchor);
return;
}
am.RegisterReference(*this);
anchor = am.LookupAnchor(*this);
}
switch(m_type) {
case NodeType::Null:
eventHandler.OnNull(m_mark, anchor);
break;
case NodeType::Scalar:
eventHandler.OnScalar(m_mark, m_tag, anchor, m_scalarData);
break;
case NodeType::Sequence:
eventHandler.OnSequenceStart(m_mark, m_tag, anchor);
for(std::size_t i=0;i<m_seqData.size();i++)
m_seqData[i]->EmitEvents(am, eventHandler);
eventHandler.OnSequenceEnd();
break;
case NodeType::Map:
eventHandler.OnMapStart(m_mark, m_tag, anchor);
for(node_map::const_iterator it=m_mapData.begin();it!=m_mapData.end();++it) {
it->first->EmitEvents(am, eventHandler);
it->second->EmitEvents(am, eventHandler);
}
eventHandler.OnMapEnd();
break;
}
}
void Node::Init(NodeType::value type, const Mark& mark, const std::string& tag)
{
Clear();
m_mark = mark;
m_type = type;
m_tag = tag;
}
void Node::MarkAsAliased()
{
m_pOwnership->MarkAsAliased(*this);
}
void Node::SetScalarData(const std::string& data)
{
assert(m_type == NodeType::Scalar); // TODO: throw?
m_scalarData = data;
}
void Node::Append(Node& node)
{
assert(m_type == NodeType::Sequence); // TODO: throw?
m_seqData.push_back(&node);
}
void Node::Insert(Node& key, Node& value)
{
assert(m_type == NodeType::Map); // TODO: throw?
m_mapData[&key] = &value;
}
// begin
// Returns an iterator to the beginning of this (sequence or map).
Iterator Node::begin() const
{
switch(m_type) {
case NodeType::Null:
case NodeType::Scalar:
return Iterator();
case NodeType::Sequence:
return Iterator(std::auto_ptr<IterPriv>(new IterPriv(m_seqData.begin())));
case NodeType::Map:
return Iterator(std::auto_ptr<IterPriv>(new IterPriv(m_mapData.begin())));
}
assert(false);
return Iterator();
}
// end
// . Returns an iterator to the end of this (sequence or map).
Iterator Node::end() const
{
switch(m_type) {
case NodeType::Null:
case NodeType::Scalar:
return Iterator();
case NodeType::Sequence:
return Iterator(std::auto_ptr<IterPriv>(new IterPriv(m_seqData.end())));
case NodeType::Map:
return Iterator(std::auto_ptr<IterPriv>(new IterPriv(m_mapData.end())));
}
assert(false);
return Iterator();
}
// size
// . Returns the size of a sequence or map node
// . Otherwise, returns zero.
std::size_t Node::size() const
{
switch(m_type) {
case NodeType::Null:
case NodeType::Scalar:
return 0;
case NodeType::Sequence:
return m_seqData.size();
case NodeType::Map:
return m_mapData.size();
}
assert(false);
return 0;
}
const Node *Node::FindAtIndex(std::size_t i) const
{
if(m_type == NodeType::Sequence)
return m_seqData[i];
return 0;
}
bool Node::GetScalar(std::string& s) const
{
switch(m_type) {
case NodeType::Null:
s = "~";
return true;
case NodeType::Scalar:
s = m_scalarData;
return true;
case NodeType::Sequence:
case NodeType::Map:
return false;
}
assert(false);
return false;
}
Emitter& operator << (Emitter& out, const Node& node)
{
EmitFromEvents emitFromEvents(out);
node.EmitEvents(emitFromEvents);
return out;
}
int Node::Compare(const Node& rhs) const
{
if(m_type != rhs.m_type)
return rhs.m_type - m_type;
switch(m_type) {
case NodeType::Null:
return 0;
case NodeType::Scalar:
return m_scalarData.compare(rhs.m_scalarData);
case NodeType::Sequence:
if(m_seqData.size() < rhs.m_seqData.size())
return 1;
else if(m_seqData.size() > rhs.m_seqData.size())
return -1;
for(std::size_t i=0;i<m_seqData.size();i++)
if(int cmp = m_seqData[i]->Compare(*rhs.m_seqData[i]))
return cmp;
return 0;
case NodeType::Map:
if(m_mapData.size() < rhs.m_mapData.size())
return 1;
else if(m_mapData.size() > rhs.m_mapData.size())
return -1;
node_map::const_iterator it = m_mapData.begin();
node_map::const_iterator jt = rhs.m_mapData.begin();
for(;it!=m_mapData.end() && jt!=rhs.m_mapData.end();it++, jt++) {
if(int cmp = it->first->Compare(*jt->first))
return cmp;
if(int cmp = it->second->Compare(*jt->second))
return cmp;
}
return 0;
}
assert(false);
return 0;
}
bool operator < (const Node& n1, const Node& n2)
{
return n1.Compare(n2) < 0;
}
}

145
src/nodebuilder.cpp
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@ -1,145 +0,0 @@
#include "nodebuilder.h"
#include "yaml-cpp/mark.h"
#include "yaml-cpp/node.h"
#include <cassert>
namespace YAML
{
NodeBuilder::NodeBuilder(Node& root): m_root(root), m_initializedRoot(false), m_finished(false)
{
m_root.Clear();
m_anchors.push_back(0); // since the anchors start at 1
}
NodeBuilder::~NodeBuilder()
{
}
void NodeBuilder::OnDocumentStart(const Mark&)
{
}
void NodeBuilder::OnDocumentEnd()
{
assert(m_finished);
}
void NodeBuilder::OnNull(const Mark& mark, anchor_t anchor)
{
Node& node = Push(anchor);
node.Init(NodeType::Null, mark, "");
Pop();
}
void NodeBuilder::OnAlias(const Mark& /*mark*/, anchor_t anchor)
{
Node& node = *m_anchors[anchor];
Insert(node);
node.MarkAsAliased();
}
void NodeBuilder::OnScalar(const Mark& mark, const std::string& tag, anchor_t anchor, const std::string& value)
{
Node& node = Push(anchor);
node.Init(NodeType::Scalar, mark, tag);
node.SetScalarData(value);
Pop();
}
void NodeBuilder::OnSequenceStart(const Mark& mark, const std::string& tag, anchor_t anchor)
{
Node& node = Push(anchor);
node.Init(NodeType::Sequence, mark, tag);
}
void NodeBuilder::OnSequenceEnd()
{
Pop();
}
void NodeBuilder::OnMapStart(const Mark& mark, const std::string& tag, anchor_t anchor)
{
Node& node = Push(anchor);
node.Init(NodeType::Map, mark, tag);
m_didPushKey.push(false);
}
void NodeBuilder::OnMapEnd()
{
m_didPushKey.pop();
Pop();
}
Node& NodeBuilder::Push(anchor_t anchor)
{
Node& node = Push();
RegisterAnchor(anchor, node);
return node;
}
Node& NodeBuilder::Push()
{
if(!m_initializedRoot) {
m_initializedRoot = true;
return m_root;
}
Node& node = m_root.CreateNode();
m_stack.push(&node);
return node;
}
Node& NodeBuilder::Top()
{
return m_stack.empty() ? m_root : *m_stack.top();
}
void NodeBuilder::Pop()
{
assert(!m_finished);
if(m_stack.empty()) {
m_finished = true;
return;
}
Node& node = *m_stack.top();
m_stack.pop();
Insert(node);
}
void NodeBuilder::Insert(Node& node)
{
Node& curTop = Top();
switch(curTop.Type()) {
case NodeType::Null:
case NodeType::Scalar:
assert(false);
break;
case NodeType::Sequence:
curTop.Append(node);
break;
case NodeType::Map:
assert(!m_didPushKey.empty());
if(m_didPushKey.top()) {
assert(!m_pendingKeys.empty());
Node& key = *m_pendingKeys.top();
m_pendingKeys.pop();
curTop.Insert(key, node);
m_didPushKey.top() = false;
} else {
m_pendingKeys.push(&node);
m_didPushKey.top() = true;
}
break;
}
}
void NodeBuilder::RegisterAnchor(anchor_t anchor, Node& node)
{
if(anchor) {
assert(anchor == m_anchors.size());
m_anchors.push_back(&node);
}
}
}

61
src/nodebuilder.h
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#ifndef NODEBUILDER_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODEBUILDER_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/eventhandler.h"
#include <map>
#include <memory>
#include <stack>
#include <vector>
namespace YAML
{
class Node;
class NodeBuilder: public EventHandler
{
public:
explicit NodeBuilder(Node& root);
virtual ~NodeBuilder();
virtual void OnDocumentStart(const Mark& mark);
virtual void OnDocumentEnd();
virtual void OnNull(const Mark& mark, anchor_t anchor);
virtual void OnAlias(const Mark& mark, anchor_t anchor);
virtual void OnScalar(const Mark& mark, const std::string& tag, anchor_t anchor, const std::string& value);
virtual void OnSequenceStart(const Mark& mark, const std::string& tag, anchor_t anchor);
virtual void OnSequenceEnd();
virtual void OnMapStart(const Mark& mark, const std::string& tag, anchor_t anchor);
virtual void OnMapEnd();
private:
Node& Push(anchor_t anchor);
Node& Push();
Node& Top();
void Pop();
void Insert(Node& node);
void RegisterAnchor(anchor_t anchor, Node& node);
private:
Node& m_root;
bool m_initializedRoot;
bool m_finished;
std::stack<Node *> m_stack;
std::stack<Node *> m_pendingKeys;
std::stack<bool> m_didPushKey;
typedef std::vector<Node *> Anchors;
Anchors m_anchors;
};
}
#endif // NODEBUILDER_H_62B23520_7C8E_11DE_8A39_0800200C9A66

31
src/nodeownership.cpp
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#include "nodeownership.h"
#include "yaml-cpp/node.h"
namespace YAML
{
NodeOwnership::NodeOwnership(NodeOwnership *pOwner): m_pOwner(pOwner)
{
if(!m_pOwner)
m_pOwner = this;
}
NodeOwnership::~NodeOwnership()
{
}
Node& NodeOwnership::_Create()
{
m_nodes.push_back(std::auto_ptr<Node>(new Node));
return m_nodes.back();
}
void NodeOwnership::_MarkAsAliased(const Node& node)
{
m_aliasedNodes.insert(&node);
}
bool NodeOwnership::_IsAliased(const Node& node) const
{
return m_aliasedNodes.count(&node) > 0;
}
}

39
src/nodeownership.h
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#ifndef NODE_OWNERSHIP_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define NODE_OWNERSHIP_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/noncopyable.h"
#include "ptr_vector.h"
#include <set>
namespace YAML
{
class Node;
class NodeOwnership: private noncopyable
{
public:
explicit NodeOwnership(NodeOwnership *pOwner = 0);
~NodeOwnership();
Node& Create() { return m_pOwner->_Create(); }
void MarkAsAliased(const Node& node) { m_pOwner->_MarkAsAliased(node); }
bool IsAliased(const Node& node) const { return m_pOwner->_IsAliased(node); }
private:
Node& _Create();
void _MarkAsAliased(const Node& node);
bool _IsAliased(const Node& node) const;
private:
ptr_vector<Node> m_nodes;
std::set<const Node *> m_aliasedNodes;
NodeOwnership *m_pOwner;
};
}
#endif // NODE_OWNERSHIP_H_62B23520_7C8E_11DE_8A39_0800200C9A66

1237
test/old-api/parsertests.cpp
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1456
test/old-api/spectests.cpp
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