Fix warnings on visual studio, including changing unsigned to std::size_t

CMakeLists.txt

@@ -238,7 +238,7 @@ if(MSVC)
 	# /W3 = set warning level; see http://msdn.microsoft.com/en-us/library/thxezb7y.aspx
 	# /wd4127 = disable warning C4127 "conditional expression is constant"; see http://msdn.microsoft.com/en-us/library/6t66728h.aspx
 	# /wd4355 = disable warning C4355 "'this' : used in base member initializer list"; http://msdn.microsoft.com/en-us/library/3c594ae3.aspx
-	set(yaml_cxx_flags "/W3 /wd4127 /wd4355 /D_SCL_SECURE_NO_WARNINGS ${yaml_cxx_flags}")
+	set(yaml_cxx_flags "/W3 /wd4127 /wd4355 ${yaml_cxx_flags}")
 endif()
 
 

include/yaml-cpp/emitter.h

@@ -7,6 +7,7 @@
 #pragma once
 #endif
 
+#include <cstddef>
 #include <memory>
 #include <sstream>
 #include <string>
@@ -48,11 +49,11 @@ class YAML_CPP_API Emitter : private noncopyable {
   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);
+  bool SetIndent(std::size_t n);
+  bool SetPreCommentIndent(std::size_t n);
+  bool SetPostCommentIndent(std::size_t n);
+  bool SetFloatPrecision(std::size_t n);
+  bool SetDoublePrecision(std::size_t n);
 
   // local setters
   Emitter& SetLocalValue(EMITTER_MANIP value);
@@ -79,8 +80,8 @@ class YAML_CPP_API Emitter : private noncopyable {
  private:
   template <typename T>
   void SetStreamablePrecision(std::stringstream&) {}
-  unsigned GetFloatPrecision() const;
-  unsigned GetDoublePrecision() const;
+  std::size_t GetFloatPrecision() const;
+  std::size_t GetDoublePrecision() const;
 
   void PrepareIntegralStream(std::stringstream& stream) const;
   void StartedScalar();
@@ -115,7 +116,7 @@ class YAML_CPP_API Emitter : private noncopyable {
   void BlockMapPrepareSimpleKey(EmitterNodeType::value child);
   void BlockMapPrepareSimpleKeyValue(EmitterNodeType::value child);
 
-  void SpaceOrIndentTo(bool requireSpace, unsigned indent);
+  void SpaceOrIndentTo(bool requireSpace, std::size_t indent);
 
   const char* ComputeFullBoolName(bool b) const;
   bool CanEmitNewline() const;

src/emitter.cpp

@@ -66,23 +66,23 @@ bool Emitter::SetMapFormat(EMITTER_MANIP value) {
   return ok;
 }
 
-bool Emitter::SetIndent(unsigned n) {
+bool Emitter::SetIndent(std::size_t n) {
   return m_pState->SetIndent(n, FmtScope::Global);
 }
 
-bool Emitter::SetPreCommentIndent(unsigned n) {
+bool Emitter::SetPreCommentIndent(std::size_t n) {
   return m_pState->SetPreCommentIndent(n, FmtScope::Global);
 }
 
-bool Emitter::SetPostCommentIndent(unsigned n) {
+bool Emitter::SetPostCommentIndent(std::size_t n) {
   return m_pState->SetPostCommentIndent(n, FmtScope::Global);
 }
 
-bool Emitter::SetFloatPrecision(unsigned n) {
+bool Emitter::SetFloatPrecision(std::size_t n) {
   return m_pState->SetFloatPrecision(n, FmtScope::Global);
 }
 
-bool Emitter::SetDoublePrecision(unsigned n) {
+bool Emitter::SetDoublePrecision(std::size_t n) {
   return m_pState->SetDoublePrecision(n, FmtScope::Global);
 }
 
@@ -310,7 +310,7 @@ void Emitter::PrepareTopNode(EmitterNodeType::value child) {
 }
 
 void Emitter::FlowSeqPrepareNode(EmitterNodeType::value child) {
-  const unsigned lastIndent = m_pState->LastIndent();
+  const std::size_t lastIndent = m_pState->LastIndent();
 
   if (!m_pState->HasBegunNode()) {
     if (m_stream.comment())
@@ -341,8 +341,8 @@ void Emitter::FlowSeqPrepareNode(EmitterNodeType::value child) {
 }
 
 void Emitter::BlockSeqPrepareNode(EmitterNodeType::value child) {
-  const unsigned curIndent = m_pState->CurIndent();
-  const unsigned nextIndent = curIndent + m_pState->CurGroupIndent();
+  const std::size_t curIndent = m_pState->CurIndent();
+  const std::size_t nextIndent = curIndent + m_pState->CurGroupIndent();
 
   if (child == EmitterNodeType::None)
     return;
@@ -392,7 +392,7 @@ void Emitter::FlowMapPrepareNode(EmitterNodeType::value child) {
 }
 
 void Emitter::FlowMapPrepareLongKey(EmitterNodeType::value child) {
-  const unsigned lastIndent = m_pState->LastIndent();
+  const std::size_t lastIndent = m_pState->LastIndent();
 
   if (!m_pState->HasBegunNode()) {
     if (m_stream.comment())
@@ -423,7 +423,7 @@ void Emitter::FlowMapPrepareLongKey(EmitterNodeType::value child) {
 }
 
 void Emitter::FlowMapPrepareLongKeyValue(EmitterNodeType::value child) {
-  const unsigned lastIndent = m_pState->LastIndent();
+  const std::size_t lastIndent = m_pState->LastIndent();
 
   if (!m_pState->HasBegunNode()) {
     if (m_stream.comment())
@@ -451,7 +451,7 @@ void Emitter::FlowMapPrepareLongKeyValue(EmitterNodeType::value child) {
 }
 
 void Emitter::FlowMapPrepareSimpleKey(EmitterNodeType::value child) {
-  const unsigned lastIndent = m_pState->LastIndent();
+  const std::size_t lastIndent = m_pState->LastIndent();
 
   if (!m_pState->HasBegunNode()) {
     if (m_stream.comment())
@@ -482,7 +482,7 @@ void Emitter::FlowMapPrepareSimpleKey(EmitterNodeType::value child) {
 }
 
 void Emitter::FlowMapPrepareSimpleKeyValue(EmitterNodeType::value child) {
-  const unsigned lastIndent = m_pState->LastIndent();
+  const std::size_t lastIndent = m_pState->LastIndent();
 
   if (!m_pState->HasBegunNode()) {
     if (m_stream.comment())
@@ -530,7 +530,7 @@ void Emitter::BlockMapPrepareNode(EmitterNodeType::value child) {
 }
 
 void Emitter::BlockMapPrepareLongKey(EmitterNodeType::value child) {
-  const unsigned curIndent = m_pState->CurIndent();
+  const std::size_t curIndent = m_pState->CurIndent();
   const std::size_t childCount = m_pState->CurGroupChildCount();
 
   if (child == EmitterNodeType::None)
@@ -563,7 +563,7 @@ void Emitter::BlockMapPrepareLongKey(EmitterNodeType::value child) {
 }
 
 void Emitter::BlockMapPrepareLongKeyValue(EmitterNodeType::value child) {
-  const unsigned curIndent = m_pState->CurIndent();
+  const std::size_t curIndent = m_pState->CurIndent();
 
   if (child == EmitterNodeType::None)
     return;
@@ -589,7 +589,7 @@ void Emitter::BlockMapPrepareLongKeyValue(EmitterNodeType::value child) {
 }
 
 void Emitter::BlockMapPrepareSimpleKey(EmitterNodeType::value child) {
-  const unsigned curIndent = m_pState->CurIndent();
+  const std::size_t curIndent = m_pState->CurIndent();
   const std::size_t childCount = m_pState->CurGroupChildCount();
 
   if (child == EmitterNodeType::None)
@@ -617,8 +617,8 @@ void Emitter::BlockMapPrepareSimpleKey(EmitterNodeType::value child) {
 }
 
 void Emitter::BlockMapPrepareSimpleKeyValue(EmitterNodeType::value child) {
-  const unsigned curIndent = m_pState->CurIndent();
-  const unsigned nextIndent = curIndent + m_pState->CurGroupIndent();
+  const std::size_t curIndent = m_pState->CurIndent();
+  const std::size_t nextIndent = curIndent + m_pState->CurGroupIndent();
 
   if (!m_pState->HasBegunNode()) {
     m_stream << ":";
@@ -642,7 +642,7 @@ void Emitter::BlockMapPrepareSimpleKeyValue(EmitterNodeType::value child) {
 
 // SpaceOrIndentTo
 // . Prepares for some more content by proper spacing
-void Emitter::SpaceOrIndentTo(bool requireSpace, unsigned indent) {
+void Emitter::SpaceOrIndentTo(bool requireSpace, std::size_t indent) {
   if (m_stream.comment())
     m_stream << "\n";
   if (m_stream.col() > 0 && requireSpace)
@@ -709,11 +709,11 @@ Emitter& Emitter::Write(const std::string& str) {
   return *this;
 }
 
-unsigned Emitter::GetFloatPrecision() const {
+std::size_t Emitter::GetFloatPrecision() const {
   return m_pState->GetFloatPrecision();
 }
 
-unsigned Emitter::GetDoublePrecision() const {
+std::size_t Emitter::GetDoublePrecision() const {
   return m_pState->GetDoublePrecision();
 }
 

src/emitterstate.cpp

@@ -155,7 +155,7 @@ void EmitterState::EndedGroup(GroupType::value type) {
   }
 
   // reset old settings
-  unsigned lastIndent = (m_groups.empty() ? 0 : m_groups.top().indent);
+  std::size_t lastIndent = (m_groups.empty() ? 0 : m_groups.top().indent);
   assert(m_curIndent >= lastIndent);
   m_curIndent -= lastIndent;
 
@@ -276,7 +276,7 @@ bool EmitterState::SetIntFormat(EMITTER_MANIP value, FmtScope::value scope) {
   }
 }
 
-bool EmitterState::SetIndent(unsigned value, FmtScope::value scope) {
+bool EmitterState::SetIndent(std::size_t value, FmtScope::value scope) {
   if (value <= 1)
     return false;
 
@@ -284,7 +284,8 @@ bool EmitterState::SetIndent(unsigned value, FmtScope::value scope) {
   return true;
 }
 
-bool EmitterState::SetPreCommentIndent(unsigned value, FmtScope::value scope) {
+bool EmitterState::SetPreCommentIndent(std::size_t value,
+                                       FmtScope::value scope) {
   if (value == 0)
     return false;
 
@@ -292,7 +293,8 @@ bool EmitterState::SetPreCommentIndent(unsigned value, FmtScope::value scope) {
   return true;
 }
 
-bool EmitterState::SetPostCommentIndent(unsigned value, FmtScope::value scope) {
+bool EmitterState::SetPostCommentIndent(std::size_t value,
+                                        FmtScope::value scope) {
   if (value == 0)
     return false;
 

src/emitterstate.h

@@ -94,12 +94,12 @@ class EmitterState {
   bool SetIntFormat(EMITTER_MANIP value, FmtScope::value scope);
   EMITTER_MANIP GetIntFormat() const { return m_intFmt.get(); }
 
-  bool SetIndent(unsigned value, FmtScope::value scope);
+  bool SetIndent(std::size_t value, FmtScope::value scope);
   int GetIndent() const { return m_indent.get(); }
 
-  bool SetPreCommentIndent(unsigned value, FmtScope::value scope);
+  bool SetPreCommentIndent(std::size_t value, FmtScope::value scope);
   int GetPreCommentIndent() const { return m_preCommentIndent.get(); }
-  bool SetPostCommentIndent(unsigned value, FmtScope::value scope);
+  bool SetPostCommentIndent(std::size_t value, FmtScope::value scope);
   int GetPostCommentIndent() const { return m_postCommentIndent.get(); }
 
   bool SetFlowType(GroupType::value groupType, EMITTER_MANIP value,
@@ -110,9 +110,9 @@ class EmitterState {
   EMITTER_MANIP GetMapKeyFormat() const { return m_mapKeyFmt.get(); }
 
   bool SetFloatPrecision(int value, FmtScope::value scope);
-  unsigned GetFloatPrecision() const { return m_floatPrecision.get(); }
+  std::size_t GetFloatPrecision() const { return m_floatPrecision.get(); }
   bool SetDoublePrecision(int value, FmtScope::value scope);
-  unsigned GetDoublePrecision() const { return m_doublePrecision.get(); }
+  std::size_t GetDoublePrecision() const { return m_doublePrecision.get(); }
 
  private:
   template <typename T>
@@ -132,8 +132,8 @@ class EmitterState {
   Setting<EMITTER_MANIP> m_boolLengthFmt;
   Setting<EMITTER_MANIP> m_boolCaseFmt;
   Setting<EMITTER_MANIP> m_intFmt;
-  Setting<unsigned> m_indent;
-  Setting<unsigned> m_preCommentIndent, m_postCommentIndent;
+  Setting<std::size_t> m_indent;
+  Setting<std::size_t> m_preCommentIndent, m_postCommentIndent;
   Setting<EMITTER_MANIP> m_seqFmt;
   Setting<EMITTER_MANIP> m_mapFmt;
   Setting<EMITTER_MANIP> m_mapKeyFmt;
@@ -175,7 +175,7 @@ class EmitterState {
   };
 
   ptr_stack<Group> m_groups;
-  unsigned m_curIndent;
+  std::size_t m_curIndent;
   bool m_hasAnchor;
   bool m_hasTag;
   bool m_hasNonContent;

src/emitterutils.cpp

@@ -358,7 +358,7 @@ bool WriteChar(ostream_wrapper& out, char ch) {
 
 bool WriteComment(ostream_wrapper& out, const std::string& str,
                   int postCommentIndent) {
-  const unsigned curIndent = out.col();
+  const std::size_t curIndent = out.col();
   out << "#" << Indentation(postCommentIndent);
   out.set_comment();
   int codePoint;

src/indentation.h

@@ -7,25 +7,27 @@
 #pragma once
 #endif
 
-#include "yaml-cpp/ostream_wrapper.h"
 #include <iostream>
+#include <cstddef>
+
+#include "yaml-cpp/ostream_wrapper.h"
 
 namespace YAML {
 struct Indentation {
-  Indentation(unsigned n_) : n(n_) {}
-  unsigned n;
+  Indentation(std::size_t n_) : n(n_) {}
+  std::size_t n;
 };
 
 inline ostream_wrapper& operator<<(ostream_wrapper& out,
                                    const Indentation& indent) {
-  for (unsigned i = 0; i < indent.n; i++)
+  for (std::size_t i = 0; i < indent.n; i++)
     out << ' ';
   return out;
 }
 
 struct IndentTo {
-  IndentTo(unsigned n_) : n(n_) {}
-  unsigned n;
+  IndentTo(std::size_t n_) : n(n_) {}
+  std::size_t n;
 };
 
 inline ostream_wrapper& operator<<(ostream_wrapper& out,

src/ostream_wrapper.cpp

@@ -23,7 +23,7 @@ void ostream_wrapper::write(const std::string& str) {
     m_pStream->write(str.c_str(), str.size());
   } else {
     m_buffer.resize(std::max(m_buffer.size(), m_pos + str.size() + 1));
-    std::copy(str.begin(), str.end(), &m_buffer[m_pos]);
+    std::copy(str.begin(), str.end(), m_buffer.begin() + m_pos);
   }
 
   for (std::size_t i = 0; i < str.size(); i++) {
@@ -36,7 +36,7 @@ void ostream_wrapper::write(const char* str, std::size_t size) {
     m_pStream->write(str, size);
   } else {
     m_buffer.resize(std::max(m_buffer.size(), m_pos + size + 1));
-    std::copy(str, str + size, &m_buffer[m_pos]);
+    std::copy(str, str + size, m_buffer.begin() + m_pos);
   }
 
   for (std::size_t i = 0; i < size; i++) {

src/ptr_stack.h

@@ -7,12 +7,13 @@
 #pragma once
 #endif
 
-#include "yaml-cpp/noncopyable.h"
 #include <cstddef>
 #include <cstdlib>
 #include <memory>
 #include <vector>
 
+#include "yaml-cpp/noncopyable.h"
+
 template <typename T>
 class ptr_stack : private YAML::noncopyable {
  public:
@@ -20,7 +21,7 @@ class ptr_stack : private YAML::noncopyable {
   ~ptr_stack() { clear(); }
 
   void clear() {
-    for (unsigned i = 0; i < m_data.size(); i++)
+    for (std::size_t i = 0; i < m_data.size(); i++)
       delete m_data[i];
     m_data.clear();
   }

src/ptr_vector.h

@@ -7,12 +7,13 @@
 #pragma once
 #endif
 
-#include "yaml-cpp/noncopyable.h"
 #include <cstddef>
 #include <cstdlib>
 #include <memory>
 #include <vector>
 
+#include "yaml-cpp/noncopyable.h"
+
 namespace YAML {
 
 template <typename T>
@@ -22,7 +23,7 @@ class ptr_vector : private YAML::noncopyable {
   ~ptr_vector() { clear(); }
 
   void clear() {
-    for (unsigned i = 0; i < m_data.size(); i++)
+    for (std::size_t i = 0; i < m_data.size(); i++)
       delete m_data[i];
     m_data.clear();
   }

src/scanner.h

@@ -7,6 +7,7 @@
 #pragma once
 #endif
 
+#include <cstddef>
 #include <ios>
 #include <map>
 #include <queue>
@@ -60,7 +61,7 @@ class Scanner {
 
   bool InFlowContext() const { return !m_flows.empty(); }
   bool InBlockContext() const { return m_flows.empty(); }
-  int GetFlowLevel() const { return m_flows.size(); }
+  std::size_t GetFlowLevel() const { return m_flows.size(); }
 
   Token::TYPE GetStartTokenFor(IndentMarker::INDENT_TYPE type) const;
   IndentMarker *PushIndentTo(int column, IndentMarker::INDENT_TYPE type);
@@ -83,13 +84,13 @@ class Scanner {
   const RegEx &GetValueRegex() const;
 
   struct SimpleKey {
-    SimpleKey(const Mark &mark_, int flowLevel_);
+    SimpleKey(const Mark &mark_, std::size_t flowLevel_);
 
     void Validate();
     void Invalidate();
 
     Mark mark;
-    int flowLevel;
+    std::size_t flowLevel;
     IndentMarker *pIndent;
     Token *pMapStart, *pKey;
   };

src/simplekey.cpp

@@ -4,7 +4,7 @@
 namespace YAML {
 struct Mark;
 
-Scanner::SimpleKey::SimpleKey(const Mark& mark_, int flowLevel_)
+Scanner::SimpleKey::SimpleKey(const Mark& mark_, std::size_t flowLevel_)
     : mark(mark_), flowLevel(flowLevel_), pIndent(0), pMapStart(0), pKey(0) {}
 
 void Scanner::SimpleKey::Validate() {