+++ /dev/null
-/*
- * 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 <cstddef>
-#include <cstdio>
-#include <cstdlib>
-#include <cstring>
-#include <iostream>
-#include <iterator>
-#include <limits>
-#include <map>
-#include <stdexcept>
-#include <string>
-#include <utility>
-#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();
- template<typename T>
- void set(const T&);
-#if PICOJSON_USE_RVALUE_REFERENCE
- template<typename T>
- void set(T&&);
-#endif
- 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;
- void clear();
-};
-
-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 void value::clear()
-{
- 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()
-{
- clear();
-}
-
-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
-
-#define SET(ctype, jtype, setter) \
- template<> \
- inline void value::set<ctype>(const ctype& _val) \
- { \
- clear(); \
- type_ = jtype##_type; \
- setter \
- }
-SET(bool, boolean, u_.boolean_ = _val;)
-SET(std::string, string, u_.string_ = new std::string(_val);)
-SET(array, array, u_.array_ = new array(_val);)
-SET(object, object, u_.object_ = new object(_val);)
-SET(double, number, u_.number_ = _val;)
-#ifdef PICOJSON_USE_INT64
-SET(int64_t, int64, u_.int64_ = _val;)
-#endif
-#undef SET
-
-#if PICOJSON_USE_RVALUE_REFERENCE
-#define MOVESET(ctype, jtype, setter) \
- template<> \
- inline void value::set<ctype>(ctype && _val) \
- { \
- clear(); \
- type_ = jtype##_type; \
- setter \
- }
-MOVESET(std::string, string, u_.string_ = new std::string(std::move(_val));)
-MOVESET(array, array, u_.array_ = new array(std::move(_val));)
-MOVESET(object, object, u_.object_ = new object(std::move(_val));)
-#undef MOVESET
-#endif
-
-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);
-}
-} // namespace picojson
-
-#if !PICOJSON_USE_RVALUE_REFERENCE
-namespace std
-{
-template<>
-inline void swap(picojson::value& x, picojson::value& y)
-{
- x.swap(y);
-}
-} // namespace std
-#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
projects / platform / core / uifw / dali-demo.git / commitdiff