diff --git a/third_party/json/picojson.h b/third_party/json/picojson.h
deleted file mode 100644
index 9b74cb3..0000000
--- a/third_party/json/picojson.h
+++ /dev/null
@@ -1,1047 +0,0 @@
-/*
- * Copyright 2009-2010 Cybozu Labs, Inc.
- * Copyright 2011-2014 Kazuho Oku
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-#ifndef picojson_h
-#define picojson_h
-
-#include <algorithm>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <cstddef>
-#include <iostream>
-#include <iterator>
-#include <limits>
-#include <map>
-#include <stdexcept>
-#include <string>
-#include <vector>
-
-// for isnan/isinf
-#if __cplusplus>=201103L
-# include <cmath>
-#else
-extern "C" {
-# ifdef _MSC_VER
-#  include <float.h>
-# elif defined(__INTEL_COMPILER)
-#  include <mathimf.h>
-# else
-#  include <math.h>
-# endif
-}
-#endif
-
-#ifndef PICOJSON_USE_RVALUE_REFERENCE
-# if (defined(__cpp_rvalue_references) && __cpp_rvalue_references >= 200610) || (defined(_MSC_VER) && _MSC_VER >= 1600)
-#  define PICOJSON_USE_RVALUE_REFERENCE 1
-# else
-#  define PICOJSON_USE_RVALUE_REFERENCE 0
-# endif
-#endif//PICOJSON_USE_RVALUE_REFERENCE
-
-
-// experimental support for int64_t (see README.mkdn for detail)
-#ifdef PICOJSON_USE_INT64
-# define __STDC_FORMAT_MACROS
-# include <errno.h>
-# include <inttypes.h>
-#endif
-
-// to disable the use of localeconv(3), set PICOJSON_USE_LOCALE to 0
-#ifndef PICOJSON_USE_LOCALE
-# define PICOJSON_USE_LOCALE 1
-#endif
-#if PICOJSON_USE_LOCALE
-extern "C" {
-# include <locale.h>
-}
-#endif
-
-#ifndef PICOJSON_ASSERT
-# define PICOJSON_ASSERT(e) do { if (! (e)) throw std::runtime_error(#e); } while (0)
-#endif
-
-#ifdef _MSC_VER
-    #define SNPRINTF _snprintf_s
-    #pragma warning(push)
-    #pragma warning(disable : 4244) // conversion from int to char
-    #pragma warning(disable : 4127) // conditional expression is constant
-    #pragma warning(disable : 4702) // unreachable code
-#else
-    #define SNPRINTF snprintf
-#endif
-
-namespace picojson {
-  
-  enum {
-    null_type,
-    boolean_type,
-    number_type,
-    string_type,
-    array_type,
-    object_type
-#ifdef PICOJSON_USE_INT64
-    , int64_type
-#endif
-  };
-  
-  enum {
-    INDENT_WIDTH = 2
-  };
-
-  struct null {};
-  
-  class value {
-  public:
-    typedef std::vector<value> array;
-    typedef std::map<std::string, value> object;
-    union _storage {
-      bool boolean_;
-      double number_;
-#ifdef PICOJSON_USE_INT64
-      int64_t int64_;
-#endif
-      std::string* string_;
-      array* array_;
-      object* object_;
-    };
-  protected:
-    int type_;
-    _storage u_;
-  public:
-    value();
-    value(int type, bool);
-    explicit value(bool b);
-#ifdef PICOJSON_USE_INT64
-    explicit value(int64_t i);
-#endif
-    explicit value(double n);
-    explicit value(const std::string& s);
-    explicit value(const array& a);
-    explicit value(const object& o);
-    explicit value(const char* s);
-    value(const char* s, size_t len);
-    ~value();
-    value(const value& x);
-    value& operator=(const value& x);
-#if PICOJSON_USE_RVALUE_REFERENCE 
-    value(value&& x)throw();
-    value& operator=(value&& x)throw();
-#endif
-    void swap(value& x)throw();
-    template <typename T> bool is() const;
-    template <typename T> const T& get() const;
-    template <typename T> T& get();
-    bool evaluate_as_boolean() const;
-    const value& get(size_t idx) const;
-    const value& get(const std::string& key) const;
-    value& get(size_t idx);
-    value& get(const std::string& key);
-
-    bool contains(size_t idx) const;
-    bool contains(const std::string& key) const;
-    std::string to_str() const;
-    template <typename Iter> void serialize(Iter os, bool prettify = false) const;
-    std::string serialize(bool prettify = false) const;
-  private:
-    template <typename T> value(const T*); // intentionally defined to block implicit conversion of pointer to bool
-    template <typename Iter> static void _indent(Iter os, int indent);
-    template <typename Iter> void _serialize(Iter os, int indent) const;
-    std::string _serialize(int indent) const;
-  };
-  
-  typedef value::array array;
-  typedef value::object object;
-  
-  inline value::value() : type_(null_type) {}
-  
-  inline value::value(int type, bool) : type_(type) {
-    switch (type) {
-#define INIT(p, v) case p##type: u_.p = v; break
-      INIT(boolean_, false);
-      INIT(number_, 0.0);
-#ifdef PICOJSON_USE_INT64
-      INIT(int64_, 0);
-#endif
-      INIT(string_, new std::string());
-      INIT(array_, new array());
-      INIT(object_, new object());
-#undef INIT
-    default: break;
-    }
-  }
-  
-  inline value::value(bool b) : type_(boolean_type) {
-    u_.boolean_ = b;
-  }
-
-#ifdef PICOJSON_USE_INT64
-  inline value::value(int64_t i) : type_(int64_type) {
-    u_.int64_ = i;
-  }
-#endif
-
-  inline value::value(double n) : type_(number_type) {
-    if (
-#ifdef _MSC_VER
-        ! _finite(n)
-#elif __cplusplus>=201103L || !(defined(isnan) && defined(isinf))
-    std::isnan(n) || std::isinf(n)
-#else
-        isnan(n) || isinf(n)
-#endif
-        ) {
-      throw std::overflow_error("");
-    }
-    u_.number_ = n;
-  }
-  
-  inline value::value(const std::string& s) : type_(string_type) {
-    u_.string_ = new std::string(s);
-  }
-  
-  inline value::value(const array& a) : type_(array_type) {
-    u_.array_ = new array(a);
-  }
-  
-  inline value::value(const object& o) : type_(object_type) {
-    u_.object_ = new object(o);
-  }
-  
-  inline value::value(const char* s) : type_(string_type) {
-    u_.string_ = new std::string(s);
-  }
-  
-  inline value::value(const char* s, size_t len) : type_(string_type) {
-    u_.string_ = new std::string(s, len);
-  }
-  
-  inline value::~value() {
-    switch (type_) {
-#define DEINIT(p) case p##type: delete u_.p; break
-      DEINIT(string_);
-      DEINIT(array_);
-      DEINIT(object_);
-#undef DEINIT
-    default: break;
-    }
-  }
-  
-  inline value::value(const value& x) : type_(x.type_) {
-    switch (type_) {
-#define INIT(p, v) case p##type: u_.p = v; break
-      INIT(string_, new std::string(*x.u_.string_));
-      INIT(array_, new array(*x.u_.array_));
-      INIT(object_, new object(*x.u_.object_));
-#undef INIT
-    default:
-      u_ = x.u_;
-      break;
-    }
-  }
-  
-  inline value& value::operator=(const value& x) {
-    if (this != &x) {
-      value t(x);
-      swap(t);
-    }
-    return *this;
-  }
-
-#if PICOJSON_USE_RVALUE_REFERENCE 
-  inline value::value(value&& x)throw() : type_(null_type) {
-    swap(x);
-  }
-  inline value& value::operator=(value&& x)throw() {
-    swap(x);
-    return *this;
-  }
-#endif
-  inline void value::swap(value& x)throw() {
-    std::swap(type_, x.type_);
-    std::swap(u_, x.u_);
-  }
-  
-#define IS(ctype, jtype)           \
-  template <> inline bool value::is<ctype>() const { \
-    return type_ == jtype##_type;        \
-  }
-  IS(null, null)
-  IS(bool, boolean)
-#ifdef PICOJSON_USE_INT64
-  IS(int64_t, int64)
-#endif
-  IS(std::string, string)
-  IS(array, array)
-  IS(object, object)
-#undef IS
-  template <> inline bool value::is<double>() const {
-    return type_ == number_type
-#ifdef PICOJSON_USE_INT64
-      || type_ == int64_type
-#endif
-      ;
-  }
-  
-#define GET(ctype, var)           \
-  template <> inline const ctype& value::get<ctype>() const { \
-    PICOJSON_ASSERT("type mismatch! call is<type>() before get<type>()" \
-     && is<ctype>());               \
-    return var;             \
-  }               \
-  template <> inline ctype& value::get<ctype>() {   \
-    PICOJSON_ASSERT("type mismatch! call is<type>() before get<type>()" \
-     && is<ctype>());         \
-    return var;             \
-  }
-  GET(bool, u_.boolean_)
-  GET(std::string, *u_.string_)
-  GET(array, *u_.array_)
-  GET(object, *u_.object_)
-#ifdef PICOJSON_USE_INT64
-  GET(double, (type_ == int64_type && (const_cast<value*>(this)->type_ = number_type, const_cast<value*>(this)->u_.number_ = u_.int64_), u_.number_))
-  GET(int64_t, u_.int64_)
-#else
-  GET(double, u_.number_)
-#endif
-#undef GET
-  
-  inline bool value::evaluate_as_boolean() const {
-    switch (type_) {
-    case null_type:
-      return false;
-    case boolean_type:
-      return u_.boolean_;
-    case number_type:
-      return u_.number_ != 0;
-#ifdef PICOJSON_USE_INT64
-    case int64_type:
-      return u_.int64_ != 0;
-#endif
-    case string_type:
-      return ! u_.string_->empty();
-    default:
-      return true;
-    }
-  }
-  
-  inline const value& value::get(size_t idx) const {
-    static value s_null;
-    PICOJSON_ASSERT(is<array>());
-    return idx < u_.array_->size() ? (*u_.array_)[idx] : s_null;
-  }
-
-  inline value& value::get(size_t idx) {
-    static value s_null;
-    PICOJSON_ASSERT(is<array>());
-    return idx < u_.array_->size() ? (*u_.array_)[idx] : s_null;
-  }
-
-  inline const value& value::get(const std::string& key) const {
-    static value s_null;
-    PICOJSON_ASSERT(is<object>());
-    object::const_iterator i = u_.object_->find(key);
-    return i != u_.object_->end() ? i->second : s_null;
-  }
-
-  inline value& value::get(const std::string& key) {
-    static value s_null;
-    PICOJSON_ASSERT(is<object>());
-    object::iterator i = u_.object_->find(key);
-    return i != u_.object_->end() ? i->second : s_null;
-  }
-
-  inline bool value::contains(size_t idx) const {
-    PICOJSON_ASSERT(is<array>());
-    return idx < u_.array_->size();
-  }
-
-  inline bool value::contains(const std::string& key) const {
-    PICOJSON_ASSERT(is<object>());
-    object::const_iterator i = u_.object_->find(key);
-    return i != u_.object_->end();
-  }
-  
-  inline std::string value::to_str() const {
-    switch (type_) {
-    case null_type:      return "null";
-    case boolean_type:   return u_.boolean_ ? "true" : "false";
-#ifdef PICOJSON_USE_INT64
-    case int64_type: {
-      char buf[sizeof("-9223372036854775808")];
-      SNPRINTF(buf, sizeof(buf), "%" PRId64, u_.int64_);
-      return buf;
-    }
-#endif
-    case number_type:    {
-      char buf[256];
-      double tmp;
-      SNPRINTF(buf, sizeof(buf), fabs(u_.number_) < (1ULL << 53) && modf(u_.number_, &tmp) == 0 ? "%.f" : "%.17g", u_.number_);
-#if PICOJSON_USE_LOCALE
-      char *decimal_point = localeconv()->decimal_point;
-      if (strcmp(decimal_point, ".") != 0) {
-        size_t decimal_point_len = strlen(decimal_point);
-        for (char *p = buf; *p != '\0'; ++p) {
-          if (strncmp(p, decimal_point, decimal_point_len) == 0) {
-            return std::string(buf, p) + "." + (p + decimal_point_len);
-          }
-        }
-      }
-#endif
-      return buf;
-    }
-    case string_type:    return *u_.string_;
-    case array_type:     return "array";
-    case object_type:    return "object";
-    default:             PICOJSON_ASSERT(0);
-#ifdef _MSC_VER
-      __assume(0);
-#endif
-    }
-    return std::string();
-  }
-  
-  template <typename Iter> void copy(const std::string& s, Iter oi) {
-    std::copy(s.begin(), s.end(), oi);
-  }
-  
-  template <typename Iter>
-  struct serialize_str_char {
-    Iter oi;
-    void operator()(char c) {
-      switch (c) {
-#define MAP(val, sym) case val: copy(sym, oi); break
-  MAP('"', "\\\"");
-  MAP('\\', "\\\\");
-  MAP('/', "\\/");
-  MAP('\b', "\\b");
-  MAP('\f', "\\f");
-  MAP('\n', "\\n");
-  MAP('\r', "\\r");
-  MAP('\t', "\\t");
-#undef MAP
-      default:
-  if (static_cast<unsigned char>(c) < 0x20 || c == 0x7f) {
-    char buf[7];
-    SNPRINTF(buf, sizeof(buf), "\\u%04x", c & 0xff);
-    copy(buf, buf + 6, oi);
-    } else {
-    *oi++ = c;
-  }
-  break;
-      }
-    }
-  };
-  
-  template <typename Iter> void serialize_str(const std::string& s, Iter oi) {
-    *oi++ = '"';
-    serialize_str_char<Iter> process_char = { oi };
-    std::for_each(s.begin(), s.end(), process_char);
-    *oi++ = '"';
-  }
-
-  template <typename Iter> void value::serialize(Iter oi, bool prettify) const {
-    return _serialize(oi, prettify ? 0 : -1);
-  }
-  
-  inline std::string value::serialize(bool prettify) const {
-    return _serialize(prettify ? 0 : -1);
-  }
-
-  template <typename Iter> void value::_indent(Iter oi, int indent) {
-    *oi++ = '\n';
-    for (int i = 0; i < indent * INDENT_WIDTH; ++i) {
-      *oi++ = ' ';
-    }
-  }
-
-  template <typename Iter> void value::_serialize(Iter oi, int indent) const {
-    switch (type_) {
-    case string_type:
-      serialize_str(*u_.string_, oi);
-      break;
-    case array_type: {
-      *oi++ = '[';
-      if (indent != -1) {
-        ++indent;
-      }
-      for (array::const_iterator i = u_.array_->begin();
-           i != u_.array_->end();
-           ++i) {
-  if (i != u_.array_->begin()) {
-    *oi++ = ',';
-  }
-        if (indent != -1) {
-          _indent(oi, indent);
-        }
-  i->_serialize(oi, indent);
-      }
-      if (indent != -1) {
-        --indent;
-        if (! u_.array_->empty()) {
-          _indent(oi, indent);
-        }
-      }
-      *oi++ = ']';
-      break;
-    }
-    case object_type: {
-      *oi++ = '{';
-      if (indent != -1) {
-        ++indent;
-      }
-      for (object::const_iterator i = u_.object_->begin();
-     i != u_.object_->end();
-     ++i) {
-  if (i != u_.object_->begin()) {
-    *oi++ = ',';
-  }
-        if (indent != -1) {
-          _indent(oi, indent);
-        }
-  serialize_str(i->first, oi);
-  *oi++ = ':';
-        if (indent != -1) {
-          *oi++ = ' ';
-        }
-        i->second._serialize(oi, indent);
-      }
-      if (indent != -1) {
-        --indent;
-        if (! u_.object_->empty()) {
-          _indent(oi, indent);
-        }
-      }
-      *oi++ = '}';
-      break;
-    }
-    default:
-      copy(to_str(), oi);
-      break;
-    }
-    if (indent == 0) {
-      *oi++ = '\n';
-    }
-  }
-  
-  inline std::string value::_serialize(int indent) const {
-    std::string s;
-    _serialize(std::back_inserter(s), indent);
-    return s;
-  }
-  
-  template <typename Iter> class input {
-  protected:
-    Iter cur_, end_;
-    bool consumed_;
-    int line_;
-  public:
-    input(const Iter& first, const Iter& last) : cur_(first), end_(last), consumed_(false), line_(1) {}
-    int getc() {
-      if (consumed_) {
-        if (*cur_ == '\n') {
-          ++line_;
-        }
-        ++cur_;
-      }
-      if (cur_ == end_) {
-        consumed_ = false;
-        return -1;
-      }
-      consumed_ = true;
-      return *cur_ & 0xff;
-    }
-    void ungetc() {
-      consumed_ = false;
-    }
-    Iter cur() const {
-      if (consumed_) {
-        input<Iter> *self = const_cast<input<Iter>*>(this);
-        self->consumed_ = false;
-        ++self->cur_;
-      }
-      return cur_;
-    }
-    int line() const { return line_; }
-    void skip_ws() {
-      while (1) {
-  int ch = getc();
-  if (! (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r')) {
-    ungetc();
-    break;
-  }
-      }
-    }
-    bool expect(int expect) {
-      skip_ws();
-      if (getc() != expect) {
-  ungetc();
-  return false;
-      }
-      return true;
-    }
-    bool match(const std::string& pattern) {
-      for (std::string::const_iterator pi(pattern.begin());
-     pi != pattern.end();
-     ++pi) {
-  if (getc() != *pi) {
-    ungetc();
-    return false;
-  }
-      }
-      return true;
-    }
-  };
-  
-  template<typename Iter> inline int _parse_quadhex(input<Iter> &in) {
-    int uni_ch = 0, hex;
-    for (int i = 0; i < 4; i++) {
-      if ((hex = in.getc()) == -1) {
-  return -1;
-      }
-      if ('0' <= hex && hex <= '9') {
-  hex -= '0';
-      } else if ('A' <= hex && hex <= 'F') {
-  hex -= 'A' - 0xa;
-      } else if ('a' <= hex && hex <= 'f') {
-  hex -= 'a' - 0xa;
-      } else {
-  in.ungetc();
-  return -1;
-      }
-      uni_ch = uni_ch * 16 + hex;
-    }
-    return uni_ch;
-  }
-  
-  template<typename String, typename Iter> inline bool _parse_codepoint(String& out, input<Iter>& in) {
-    int uni_ch;
-    if ((uni_ch = _parse_quadhex(in)) == -1) {
-      return false;
-    }
-    if (0xd800 <= uni_ch && uni_ch <= 0xdfff) {
-      if (0xdc00 <= uni_ch) {
-  // a second 16-bit of a surrogate pair appeared
-  return false;
-      }
-      // first 16-bit of surrogate pair, get the next one
-      if (in.getc() != '\\' || in.getc() != 'u') {
-  in.ungetc();
-  return false;
-      }
-      int second = _parse_quadhex(in);
-      if (! (0xdc00 <= second && second <= 0xdfff)) {
-  return false;
-      }
-      uni_ch = ((uni_ch - 0xd800) << 10) | ((second - 0xdc00) & 0x3ff);
-      uni_ch += 0x10000;
-    }
-    if (uni_ch < 0x80) {
-      out.push_back(uni_ch);
-    } else {
-      if (uni_ch < 0x800) {
-  out.push_back(0xc0 | (uni_ch >> 6));
-      } else {
-  if (uni_ch < 0x10000) {
-    out.push_back(0xe0 | (uni_ch >> 12));
-  } else {
-    out.push_back(0xf0 | (uni_ch >> 18));
-    out.push_back(0x80 | ((uni_ch >> 12) & 0x3f));
-  }
-  out.push_back(0x80 | ((uni_ch >> 6) & 0x3f));
-      }
-      out.push_back(0x80 | (uni_ch & 0x3f));
-    }
-    return true;
-  }
-  
-  template<typename String, typename Iter> inline bool _parse_string(String& out, input<Iter>& in) {
-    while (1) {
-      int ch = in.getc();
-      if (ch < ' ') {
-  in.ungetc();
-  return false;
-      } else if (ch == '"') {
-  return true;
-      } else if (ch == '\\') {
-  if ((ch = in.getc()) == -1) {
-    return false;
-  }
-  switch (ch) {
-#define MAP(sym, val) case sym: out.push_back(val); break
-    MAP('"', '\"');
-    MAP('\\', '\\');
-    MAP('/', '/');
-    MAP('b', '\b');
-    MAP('f', '\f');
-    MAP('n', '\n');
-    MAP('r', '\r');
-    MAP('t', '\t');
-#undef MAP
-  case 'u':
-    if (! _parse_codepoint(out, in)) {
-      return false;
-    }
-    break;
-  default:
-    return false;
-  }
-      } else {
-  out.push_back(ch);
-      }
-    }
-    return false;
-  }
-  
-  template <typename Context, typename Iter> inline bool _parse_array(Context& ctx, input<Iter>& in) {
-    if (! ctx.parse_array_start()) {
-      return false;
-    }
-    size_t idx = 0;
-    if (in.expect(']')) {
-      return ctx.parse_array_stop(idx);
-    }
-    do {
-      if (! ctx.parse_array_item(in, idx)) {
-  return false;
-      }
-      idx++;
-    } while (in.expect(','));
-    return in.expect(']') && ctx.parse_array_stop(idx);
-  }
-  
-  template <typename Context, typename Iter> inline bool _parse_object(Context& ctx, input<Iter>& in) {
-    if (! ctx.parse_object_start()) {
-      return false;
-    }
-    if (in.expect('}')) {
-      return true;
-    }
-    do {
-      std::string key;
-      if (! in.expect('"')
-    || ! _parse_string(key, in)
-    || ! in.expect(':')) {
-  return false;
-      }
-      if (! ctx.parse_object_item(in, key)) {
-  return false;
-      }
-    } while (in.expect(','));
-    return in.expect('}');
-  }
-  
-  template <typename Iter> inline std::string _parse_number(input<Iter>& in) {
-    std::string num_str;
-    while (1) {
-      int ch = in.getc();
-      if (('0' <= ch && ch <= '9') || ch == '+' || ch == '-'
-          || ch == 'e' || ch == 'E') {
-        num_str.push_back(ch);
-      } else if (ch == '.') {
-#if PICOJSON_USE_LOCALE
-        num_str += localeconv()->decimal_point;
-#else
-        num_str.push_back('.');
-#endif
-      } else {
-  in.ungetc();
-  break;
-      }
-    }
-    return num_str;
-  }
-  
-  template <typename Context, typename Iter> inline bool _parse(Context& ctx, input<Iter>& in) {
-    in.skip_ws();
-    int ch = in.getc();
-    switch (ch) {
-#define IS(ch, text, op) case ch: \
-      if (in.match(text) && op) { \
-  return true; \
-      } else { \
-  return false; \
-      }
-      IS('n', "ull", ctx.set_null());
-      IS('f', "alse", ctx.set_bool(false));
-      IS('t', "rue", ctx.set_bool(true));
-#undef IS
-    case '"':
-      return ctx.parse_string(in);
-    case '[':
-      return _parse_array(ctx, in);
-    case '{':
-      return _parse_object(ctx, in);
-    default:
-      if (('0' <= ch && ch <= '9') || ch == '-') {
-        double f;
-        char *endp;
-  in.ungetc();
-        std::string num_str = _parse_number(in);
-        if (num_str.empty()) {
-          return false;
-        }
-#ifdef PICOJSON_USE_INT64
-        {
-          errno = 0;
-          intmax_t ival = strtoimax(num_str.c_str(), &endp, 10);
-          if (errno == 0
-              && std::numeric_limits<int64_t>::min() <= ival
-              && ival <= std::numeric_limits<int64_t>::max()
-              && endp == num_str.c_str() + num_str.size()) {
-            ctx.set_int64(ival);
-            return true;
-          }
-        }
-#endif
-        f = strtod(num_str.c_str(), &endp);
-        if (endp == num_str.c_str() + num_str.size()) {
-          ctx.set_number(f);
-          return true;
-        }
-        return false;
-      }
-      break;
-    }
-    in.ungetc();
-    return false;
-  }
-  
-  class deny_parse_context {
-  public:
-    bool set_null() { return false; }
-    bool set_bool(bool) { return false; }
-#ifdef PICOJSON_USE_INT64
-    bool set_int64(int64_t) { return false; }
-#endif
-    bool set_number(double) { return false; }
-    template <typename Iter> bool parse_string(input<Iter>&) { return false; }
-    bool parse_array_start() { return false; }
-    template <typename Iter> bool parse_array_item(input<Iter>&, size_t) {
-      return false;
-    }
-    bool parse_array_stop(size_t) { return false; }
-    bool parse_object_start() { return false; }
-    template <typename Iter> bool parse_object_item(input<Iter>&, const std::string&) {
-      return false;
-    }
-  };
-  
-  class default_parse_context {
-  protected:
-    value* out_;
-  public:
-    default_parse_context(value* out) : out_(out) {}
-    bool set_null() {
-      *out_ = value();
-      return true;
-    }
-    bool set_bool(bool b) {
-      *out_ = value(b);
-      return true;
-    }
-#ifdef PICOJSON_USE_INT64
-    bool set_int64(int64_t i) {
-      *out_ = value(i);
-      return true;
-    }
-#endif
-    bool set_number(double f) {
-      *out_ = value(f);
-      return true;
-    }
-    template<typename Iter> bool parse_string(input<Iter>& in) {
-      *out_ = value(string_type, false);
-      return _parse_string(out_->get<std::string>(), in);
-    }
-    bool parse_array_start() {
-      *out_ = value(array_type, false);
-      return true;
-    }
-    template <typename Iter> bool parse_array_item(input<Iter>& in, size_t) {
-      array& a = out_->get<array>();
-      a.push_back(value());
-      default_parse_context ctx(&a.back());
-      return _parse(ctx, in);
-    }
-    bool parse_array_stop(size_t) { return true; }
-    bool parse_object_start() {
-      *out_ = value(object_type, false);
-      return true;
-    }
-    template <typename Iter> bool parse_object_item(input<Iter>& in, const std::string& key) {
-      object& o = out_->get<object>();
-      default_parse_context ctx(&o[key]);
-      return _parse(ctx, in);
-    }
-  private:
-    default_parse_context(const default_parse_context&);
-    default_parse_context& operator=(const default_parse_context&);
-  };
-
-  class null_parse_context {
-  public:
-    struct dummy_str {
-      void push_back(int) {}
-    };
-  public:
-    null_parse_context() {}
-    bool set_null() { return true; }
-    bool set_bool(bool) { return true; }
-#ifdef PICOJSON_USE_INT64
-    bool set_int64(int64_t) { return true; }
-#endif
-    bool set_number(double) { return true; }
-    template <typename Iter> bool parse_string(input<Iter>& in) {
-      dummy_str s;
-      return _parse_string(s, in);
-    }
-    bool parse_array_start() { return true; }
-    template <typename Iter> bool parse_array_item(input<Iter>& in, size_t) {
-      return _parse(*this, in);
-    }
-    bool parse_array_stop(size_t) { return true; }
-    bool parse_object_start() { return true; }
-    template <typename Iter> bool parse_object_item(input<Iter>& in, const std::string&) {
-      return _parse(*this, in);
-    }
-  private:
-    null_parse_context(const null_parse_context&);
-    null_parse_context& operator=(const null_parse_context&);
-  };
-  
-  // obsolete, use the version below
-  template <typename Iter> inline std::string parse(value& out, Iter& pos, const Iter& last) {
-    std::string err;
-    pos = parse(out, pos, last, &err);
-    return err;
-  }
-  
-  template <typename Context, typename Iter> inline Iter _parse(Context& ctx, const Iter& first, const Iter& last, std::string* err) {
-    input<Iter> in(first, last);
-    if (! _parse(ctx, in) && err != NULL) {
-      char buf[64];
-      SNPRINTF(buf, sizeof(buf), "syntax error at line %d near: ", in.line());
-      *err = buf;
-      while (1) {
-  int ch = in.getc();
-  if (ch == -1 || ch == '\n') {
-    break;
-  } else if (ch >= ' ') {
-    err->push_back(ch);
-  }
-      }
-    }
-    return in.cur();
-  }
-  
-  template <typename Iter> inline Iter parse(value& out, const Iter& first, const Iter& last, std::string* err) {
-    default_parse_context ctx(&out);
-    return _parse(ctx, first, last, err);
-  }
-  
-  inline std::string parse(value& out, const std::string& s) {
-    std::string err;
-    parse(out, s.begin(), s.end(), &err);
-    return err;
-  }
-
-  inline std::string parse(value& out, std::istream& is) {
-    std::string err;
-    parse(out, std::istreambuf_iterator<char>(is.rdbuf()),
-    std::istreambuf_iterator<char>(), &err);
-    return err;
-  }
-  
-  template <typename T> struct last_error_t {
-    static std::string s;
-  };
-  template <typename T> std::string last_error_t<T>::s;
-  
-  inline void set_last_error(const std::string& s) {
-    last_error_t<bool>::s = s;
-  }
-  
-  inline const std::string& get_last_error() {
-    return last_error_t<bool>::s;
-  }
-
-  inline bool operator==(const value& x, const value& y) {
-    if (x.is<null>())
-      return y.is<null>();
-#define PICOJSON_CMP(type)          \
-    if (x.is<type>())           \
-      return y.is<type>() && x.get<type>() == y.get<type>()
-    PICOJSON_CMP(bool);
-    PICOJSON_CMP(double);
-    PICOJSON_CMP(std::string);
-    PICOJSON_CMP(array);
-    PICOJSON_CMP(object);
-#undef PICOJSON_CMP
-    PICOJSON_ASSERT(0);
-#ifdef _MSC_VER
-    __assume(0);
-#endif
-    return false;
-  }
-  
-  inline bool operator!=(const value& x, const value& y) {
-    return ! (x == y);
-  }
-}
-
-#if !PICOJSON_USE_RVALUE_REFERENCE 
-namespace std {
-  template<> inline void swap(picojson::value& x, picojson::value& y)
-    {
-      x.swap(y);
-    }
-}
-#endif
-
-inline std::istream& operator>>(std::istream& is, picojson::value& x)
-{
-  picojson::set_last_error(std::string());
-  std::string err = picojson::parse(x, is);
-  if (! err.empty()) {
-    picojson::set_last_error(err);
-    is.setstate(std::ios::failbit);
-  }
-  return is;
-}
-
-inline std::ostream& operator<<(std::ostream& os, const picojson::value& x)
-{
-  x.serialize(std::ostream_iterator<char>(os));
-  return os;
-}
-#ifdef _MSC_VER
-    #pragma warning(pop)
-#endif
-
-#endif
\ No newline at end of file