Tim Wöstemeier / picojson

JSON library for parser and serializer picojson is a header-file-only, JSON parser serializer in C . The original source code is available at https://github.com/kazuho/picojson

Dependents:   MotiV_ControlBox

Fork of picojson by mimil owns

picojson.h@2:fa0776ec0f86, 2015-01-10 (annotated)

Committer:
TimWoo
Date:
Sat Jan 10 15:35:31 2015 +0000
Revision:
2:fa0776ec0f86
Parent:
1:2bb500b021e2 
using namespace std to prevent compiler errors

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mimil 0:7bd1a48945f5 1 /* Copyright 2009 Cybozu Labs, Inc.
mimil 0:7bd1a48945f5 2 *
mimil 0:7bd1a48945f5 3 * Redistribution and use in source and binary forms, with or without
mimil 0:7bd1a48945f5 4 * modification, are permitted provided that the following conditions are met:
mimil 0:7bd1a48945f5 5 *
mimil 0:7bd1a48945f5 6 * 1. Redistributions of source code must retain the above copyright notice,
mimil 0:7bd1a48945f5 7 * this list of conditions and the following disclaimer.
mimil 0:7bd1a48945f5 8 * 2. Redistributions in binary form must reproduce the above copyright notice,
mimil 0:7bd1a48945f5 9 * this list of conditions and the following disclaimer in the documentation
mimil 0:7bd1a48945f5 10 * and/or other materials provided with the distribution.
mimil 0:7bd1a48945f5 11 *
mimil 0:7bd1a48945f5 12 * THIS SOFTWARE IS PROVIDED BY CYBOZU LABS, INC. ``AS IS'' AND ANY EXPRESS OR
mimil 0:7bd1a48945f5 13 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
mimil 0:7bd1a48945f5 14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
mimil 0:7bd1a48945f5 15 * EVENT SHALL CYBOZU LABS, INC. OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
mimil 0:7bd1a48945f5 16 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
mimil 0:7bd1a48945f5 17 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
mimil 0:7bd1a48945f5 18 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
mimil 0:7bd1a48945f5 19 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
mimil 0:7bd1a48945f5 20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
mimil 0:7bd1a48945f5 21 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mimil 0:7bd1a48945f5 22 *
mimil 0:7bd1a48945f5 23 * The views and conclusions contained in the software and documentation are
mimil 0:7bd1a48945f5 24 * those of the authors and should not be interpreted as representing official
mimil 0:7bd1a48945f5 25 * policies, either expressed or implied, of Cybozu Labs, Inc.
mimil 0:7bd1a48945f5 26 *
mimil 0:7bd1a48945f5 27 */
mimil 0:7bd1a48945f5 28 #ifndef picojson_h
mimil 0:7bd1a48945f5 29 #define picojson_h
mimil 0:7bd1a48945f5 30
mimil 0:7bd1a48945f5 31 #include <cassert>
mimil 1:2bb500b021e2 32 #include <cmath>
mimil 0:7bd1a48945f5 33 #include <cstdio>
mimil 0:7bd1a48945f5 34 #include <cstdlib>
mimil 0:7bd1a48945f5 35 #include <cstring>
mimil 0:7bd1a48945f5 36 #include <iostream>
mimil 0:7bd1a48945f5 37 #include <iterator>
mimil 0:7bd1a48945f5 38 #include <map>
mimil 0:7bd1a48945f5 39 #include <string>
mimil 0:7bd1a48945f5 40 #include <vector>
mimil 0:7bd1a48945f5 41
mimil 0:7bd1a48945f5 42 #ifdef _MSC_VER
mimil 0:7bd1a48945f5 43 #define SNPRINTF _snprintf_s
mimil 0:7bd1a48945f5 44 #pragma warning(push)
mimil 0:7bd1a48945f5 45 #pragma warning(disable : 4244) // conversion from int to char
mimil 0:7bd1a48945f5 46 #else
mimil 0:7bd1a48945f5 47 #define SNPRINTF snprintf
mimil 0:7bd1a48945f5 48 #endif
mimil 0:7bd1a48945f5 49
TimWoo 2:fa0776ec0f86 50 using namespace std;
TimWoo 2:fa0776ec0f86 51
mimil 0:7bd1a48945f5 52 namespace picojson {
mimil 0:7bd1a48945f5 53
mimil 0:7bd1a48945f5 54 enum {
mimil 0:7bd1a48945f5 55 null_type,
mimil 0:7bd1a48945f5 56 boolean_type,
mimil 0:7bd1a48945f5 57 number_type,
mimil 0:7bd1a48945f5 58 string_type,
mimil 0:7bd1a48945f5 59 array_type,
mimil 0:7bd1a48945f5 60 object_type
mimil 0:7bd1a48945f5 61 };
mimil 0:7bd1a48945f5 62
mimil 0:7bd1a48945f5 63 struct null {};
mimil 0:7bd1a48945f5 64
mimil 0:7bd1a48945f5 65 class value {
mimil 0:7bd1a48945f5 66 public:
mimil 0:7bd1a48945f5 67 typedef std::vector<value> array;
mimil 0:7bd1a48945f5 68 typedef std::map<std::string, value> object;
mimil 0:7bd1a48945f5 69 protected:
mimil 0:7bd1a48945f5 70 int type_;
mimil 0:7bd1a48945f5 71 union {
mimil 0:7bd1a48945f5 72 bool boolean_;
mimil 0:7bd1a48945f5 73 double number_;
mimil 0:7bd1a48945f5 74 std::string* string_;
mimil 0:7bd1a48945f5 75 array* array_;
mimil 0:7bd1a48945f5 76 object* object_;
mimil 0:7bd1a48945f5 77 };
mimil 0:7bd1a48945f5 78 public:
mimil 0:7bd1a48945f5 79 value();
mimil 0:7bd1a48945f5 80 value(int type, bool);
mimil 0:7bd1a48945f5 81 explicit value(bool b);
mimil 0:7bd1a48945f5 82 explicit value(double n);
mimil 0:7bd1a48945f5 83 explicit value(const std::string& s);
mimil 0:7bd1a48945f5 84 explicit value(const array& a);
mimil 0:7bd1a48945f5 85 explicit value(const object& o);
mimil 0:7bd1a48945f5 86 ~value();
mimil 0:7bd1a48945f5 87 value(const value& x);
mimil 0:7bd1a48945f5 88 value& operator=(const value& x);
mimil 0:7bd1a48945f5 89 template <typename T> bool is() const;
mimil 0:7bd1a48945f5 90 template <typename T> const T& get() const;
mimil 0:7bd1a48945f5 91 template <typename T> T& get();
mimil 0:7bd1a48945f5 92 operator bool() const;
mimil 0:7bd1a48945f5 93 const value& get(size_t idx) const;
mimil 0:7bd1a48945f5 94 const value& get(const std::string& key) const;
mimil 0:7bd1a48945f5 95 std::string to_str() const;
mimil 0:7bd1a48945f5 96 template <typename Iter> void serialize(Iter os) const;
mimil 0:7bd1a48945f5 97 std::string serialize() const;
mimil 0:7bd1a48945f5 98 };
mimil 0:7bd1a48945f5 99
mimil 0:7bd1a48945f5 100 typedef value::array array;
mimil 0:7bd1a48945f5 101 typedef value::object object;
mimil 0:7bd1a48945f5 102
mimil 0:7bd1a48945f5 103 inline value::value() : type_(null_type) {}
mimil 0:7bd1a48945f5 104
mimil 0:7bd1a48945f5 105 inline value::value(int type, bool) : type_(type) {
mimil 0:7bd1a48945f5 106 switch (type) {
mimil 0:7bd1a48945f5 107 #define INIT(p, v) case p##type: p = v; break
mimil 0:7bd1a48945f5 108 INIT(boolean_, false);
mimil 0:7bd1a48945f5 109 INIT(number_, 0.0);
mimil 0:7bd1a48945f5 110 INIT(string_, new std::string());
mimil 0:7bd1a48945f5 111 INIT(array_, new array());
mimil 0:7bd1a48945f5 112 INIT(object_, new object());
mimil 0:7bd1a48945f5 113 #undef INIT
mimil 0:7bd1a48945f5 114 default: break;
mimil 0:7bd1a48945f5 115 }
mimil 0:7bd1a48945f5 116 }
mimil 0:7bd1a48945f5 117
mimil 0:7bd1a48945f5 118 inline value::value(bool b) : type_(boolean_type) {
mimil 0:7bd1a48945f5 119 boolean_ = b;
mimil 0:7bd1a48945f5 120 }
mimil 0:7bd1a48945f5 121
mimil 0:7bd1a48945f5 122 inline value::value(double n) : type_(number_type) {
mimil 0:7bd1a48945f5 123 number_ = n;
mimil 0:7bd1a48945f5 124 }
mimil 0:7bd1a48945f5 125
mimil 0:7bd1a48945f5 126 inline value::value(const std::string& s) : type_(string_type) {
mimil 0:7bd1a48945f5 127 string_ = new std::string(s);
mimil 0:7bd1a48945f5 128 }
mimil 0:7bd1a48945f5 129
mimil 0:7bd1a48945f5 130 inline value::value(const array& a) : type_(array_type) {
mimil 0:7bd1a48945f5 131 array_ = new array(a);
mimil 0:7bd1a48945f5 132 }
mimil 0:7bd1a48945f5 133
mimil 0:7bd1a48945f5 134 inline value::value(const object& o) : type_(object_type) {
mimil 0:7bd1a48945f5 135 object_ = new object(o);
mimil 0:7bd1a48945f5 136 }
mimil 0:7bd1a48945f5 137
mimil 0:7bd1a48945f5 138 inline value::~value() {
mimil 0:7bd1a48945f5 139 switch (type_) {
mimil 0:7bd1a48945f5 140 #define DEINIT(p) case p##type: delete p; break
mimil 0:7bd1a48945f5 141 DEINIT(string_);
mimil 0:7bd1a48945f5 142 DEINIT(array_);
mimil 0:7bd1a48945f5 143 DEINIT(object_);
mimil 0:7bd1a48945f5 144 #undef DEINIT
mimil 0:7bd1a48945f5 145 default: break;
mimil 0:7bd1a48945f5 146 }
mimil 0:7bd1a48945f5 147 }
mimil 0:7bd1a48945f5 148
mimil 0:7bd1a48945f5 149 inline value::value(const value& x) : type_(x.type_) {
mimil 0:7bd1a48945f5 150 switch (type_) {
mimil 0:7bd1a48945f5 151 #define INIT(p, v) case p##type: p = v; break
mimil 0:7bd1a48945f5 152 INIT(boolean_, x.boolean_);
mimil 0:7bd1a48945f5 153 INIT(number_, x.number_);
mimil 0:7bd1a48945f5 154 INIT(string_, new std::string(*x.string_));
mimil 0:7bd1a48945f5 155 INIT(array_, new array(*x.array_));
mimil 0:7bd1a48945f5 156 INIT(object_, new object(*x.object_));
mimil 0:7bd1a48945f5 157 #undef INIT
mimil 0:7bd1a48945f5 158 default: break;
mimil 0:7bd1a48945f5 159 }
mimil 0:7bd1a48945f5 160 }
mimil 0:7bd1a48945f5 161
mimil 0:7bd1a48945f5 162 inline value& value::operator=(const value& x) {
mimil 0:7bd1a48945f5 163 if (this != &x) {
mimil 0:7bd1a48945f5 164 this->~value();
mimil 0:7bd1a48945f5 165 new (this) value(x);
mimil 0:7bd1a48945f5 166 }
mimil 0:7bd1a48945f5 167 return *this;
mimil 0:7bd1a48945f5 168 }
mimil 0:7bd1a48945f5 169
mimil 1:2bb500b021e2 170 #define IS(ctype, jtype) \
mimil 0:7bd1a48945f5 171 template <> inline bool value::is<ctype>() const { \
mimil 1:2bb500b021e2 172 return type_ == jtype##_type; \
mimil 0:7bd1a48945f5 173 }
mimil 0:7bd1a48945f5 174 IS(null, null)
mimil 0:7bd1a48945f5 175 IS(bool, boolean)
mimil 0:7bd1a48945f5 176 IS(int, number)
mimil 0:7bd1a48945f5 177 IS(double, number)
mimil 0:7bd1a48945f5 178 IS(std::string, string)
mimil 0:7bd1a48945f5 179 IS(array, array)
mimil 0:7bd1a48945f5 180 IS(object, object)
mimil 0:7bd1a48945f5 181 #undef IS
mimil 0:7bd1a48945f5 182
mimil 1:2bb500b021e2 183 #define GET(ctype, var) \
mimil 0:7bd1a48945f5 184 template <> inline const ctype& value::get<ctype>() const { \
mimil 1:2bb500b021e2 185 return var; \
mimil 1:2bb500b021e2 186 } \
mimil 1:2bb500b021e2 187 template <> inline ctype& value::get<ctype>() { \
mimil 1:2bb500b021e2 188 return var; \
mimil 0:7bd1a48945f5 189 }
mimil 0:7bd1a48945f5 190 GET(bool, boolean_)
mimil 0:7bd1a48945f5 191 GET(double, number_)
mimil 0:7bd1a48945f5 192 GET(std::string, *string_)
mimil 0:7bd1a48945f5 193 GET(array, *array_)
mimil 0:7bd1a48945f5 194 GET(object, *object_)
mimil 0:7bd1a48945f5 195 #undef GET
mimil 0:7bd1a48945f5 196
mimil 0:7bd1a48945f5 197 inline value::operator bool() const {
mimil 0:7bd1a48945f5 198 switch (type_) {
mimil 0:7bd1a48945f5 199 case null_type:
mimil 0:7bd1a48945f5 200 return false;
mimil 0:7bd1a48945f5 201 case boolean_type:
mimil 0:7bd1a48945f5 202 return boolean_;
mimil 0:7bd1a48945f5 203 case number_type:
mimil 0:7bd1a48945f5 204 return number_ != 0;
mimil 0:7bd1a48945f5 205 case string_type:
mimil 0:7bd1a48945f5 206 return ! string_->empty();
mimil 0:7bd1a48945f5 207 default:
mimil 0:7bd1a48945f5 208 return true;
mimil 0:7bd1a48945f5 209 }
mimil 0:7bd1a48945f5 210 }
mimil 0:7bd1a48945f5 211
mimil 0:7bd1a48945f5 212 inline const value& value::get(size_t idx) const {
mimil 0:7bd1a48945f5 213 static value s_null;
mimil 0:7bd1a48945f5 214 assert(is<array>());
mimil 0:7bd1a48945f5 215 return idx < array_->size() ? (*array_)[idx] : s_null;
mimil 0:7bd1a48945f5 216 }
mimil 0:7bd1a48945f5 217
mimil 0:7bd1a48945f5 218 inline const value& value::get(const std::string& key) const {
mimil 0:7bd1a48945f5 219 static value s_null;
mimil 0:7bd1a48945f5 220 assert(is<object>());
mimil 0:7bd1a48945f5 221 object::const_iterator i = object_->find(key);
mimil 0:7bd1a48945f5 222 return i != object_->end() ? i->second : s_null;
mimil 0:7bd1a48945f5 223 }
mimil 0:7bd1a48945f5 224
mimil 0:7bd1a48945f5 225 inline std::string value::to_str() const {
mimil 0:7bd1a48945f5 226 switch (type_) {
mimil 0:7bd1a48945f5 227 case null_type: return "null";
mimil 0:7bd1a48945f5 228 case boolean_type: return boolean_ ? "true" : "false";
mimil 0:7bd1a48945f5 229 case number_type: {
mimil 0:7bd1a48945f5 230 char buf[256];
mimil 1:2bb500b021e2 231 double tmp;
mimil 1:2bb500b021e2 232 SNPRINTF(buf, sizeof(buf), modf(number_, &tmp) == 0 ? "%.f" : "%f", number_);
mimil 0:7bd1a48945f5 233 return buf;
mimil 0:7bd1a48945f5 234 }
mimil 0:7bd1a48945f5 235 case string_type: return *string_;
mimil 0:7bd1a48945f5 236 case array_type: return "array";
mimil 0:7bd1a48945f5 237 case object_type: return "object";
mimil 0:7bd1a48945f5 238 default: assert(0);
mimil 0:7bd1a48945f5 239 #ifdef _MSC_VER
mimil 0:7bd1a48945f5 240 __assume(0);
mimil 0:7bd1a48945f5 241 #endif
mimil 0:7bd1a48945f5 242 }
mimil 0:7bd1a48945f5 243 }
mimil 0:7bd1a48945f5 244
mimil 0:7bd1a48945f5 245 template <typename Iter> void copy(const std::string& s, Iter oi) {
mimil 0:7bd1a48945f5 246 std::copy(s.begin(), s.end(), oi);
mimil 0:7bd1a48945f5 247 }
mimil 0:7bd1a48945f5 248
mimil 0:7bd1a48945f5 249 template <typename Iter> void serialize_str(const std::string& s, Iter oi) {
mimil 0:7bd1a48945f5 250 *oi++ = '"';
mimil 0:7bd1a48945f5 251 for (std::string::const_iterator i = s.begin(); i != s.end(); ++i) {
mimil 0:7bd1a48945f5 252 switch (*i) {
mimil 0:7bd1a48945f5 253 #define MAP(val, sym) case val: copy(sym, oi); break
mimil 1:2bb500b021e2 254 MAP('"', "\\\"");
mimil 1:2bb500b021e2 255 MAP('\\', "\\\\");
mimil 1:2bb500b021e2 256 MAP('/', "\\/");
mimil 1:2bb500b021e2 257 MAP('\b', "\\b");
mimil 1:2bb500b021e2 258 MAP('\f', "\\f");
mimil 1:2bb500b021e2 259 MAP('\n', "\\n");
mimil 1:2bb500b021e2 260 MAP('\r', "\\r");
mimil 1:2bb500b021e2 261 MAP('\t', "\\t");
mimil 0:7bd1a48945f5 262 #undef MAP
mimil 0:7bd1a48945f5 263 default:
mimil 1:2bb500b021e2 264 if ((unsigned char)*i < 0x20 || *i == 0x7f) {
mimil 1:2bb500b021e2 265 char buf[7];
mimil 1:2bb500b021e2 266 SNPRINTF(buf, sizeof(buf), "\\u%04x", *i & 0xff);
mimil 1:2bb500b021e2 267 copy(buf, buf + 6, oi);
mimil 1:2bb500b021e2 268 } else {
mimil 1:2bb500b021e2 269 *oi++ = *i;
mimil 1:2bb500b021e2 270 }
mimil 1:2bb500b021e2 271 break;
mimil 0:7bd1a48945f5 272 }
mimil 0:7bd1a48945f5 273 }
mimil 0:7bd1a48945f5 274 *oi++ = '"';
mimil 0:7bd1a48945f5 275 }
mimil 0:7bd1a48945f5 276
mimil 0:7bd1a48945f5 277 template <typename Iter> void value::serialize(Iter oi) const {
mimil 0:7bd1a48945f5 278 switch (type_) {
mimil 0:7bd1a48945f5 279 case string_type:
mimil 0:7bd1a48945f5 280 serialize_str(*string_, oi);
mimil 0:7bd1a48945f5 281 break;
mimil 0:7bd1a48945f5 282 case array_type: {
mimil 0:7bd1a48945f5 283 *oi++ = '[';
mimil 0:7bd1a48945f5 284 for (array::const_iterator i = array_->begin(); i != array_->end(); ++i) {
mimil 1:2bb500b021e2 285 if (i != array_->begin()) {
mimil 1:2bb500b021e2 286 *oi++ = ',';
mimil 1:2bb500b021e2 287 }
mimil 1:2bb500b021e2 288 i->serialize(oi);
mimil 0:7bd1a48945f5 289 }
mimil 0:7bd1a48945f5 290 *oi++ = ']';
mimil 0:7bd1a48945f5 291 break;
mimil 0:7bd1a48945f5 292 }
mimil 0:7bd1a48945f5 293 case object_type: {
mimil 0:7bd1a48945f5 294 *oi++ = '{';
mimil 0:7bd1a48945f5 295 for (object::const_iterator i = object_->begin();
mimil 1:2bb500b021e2 296 i != object_->end();
mimil 1:2bb500b021e2 297 ++i) {
mimil 1:2bb500b021e2 298 if (i != object_->begin()) {
mimil 1:2bb500b021e2 299 *oi++ = ',';
mimil 1:2bb500b021e2 300 }
mimil 1:2bb500b021e2 301 serialize_str(i->first, oi);
mimil 1:2bb500b021e2 302 *oi++ = ':';
mimil 1:2bb500b021e2 303 i->second.serialize(oi);
mimil 0:7bd1a48945f5 304 }
mimil 0:7bd1a48945f5 305 *oi++ = '}';
mimil 0:7bd1a48945f5 306 break;
mimil 0:7bd1a48945f5 307 }
mimil 0:7bd1a48945f5 308 default:
mimil 0:7bd1a48945f5 309 copy(to_str(), oi);
mimil 0:7bd1a48945f5 310 break;
mimil 0:7bd1a48945f5 311 }
mimil 0:7bd1a48945f5 312 }
mimil 0:7bd1a48945f5 313
mimil 0:7bd1a48945f5 314 inline std::string value::serialize() const {
mimil 0:7bd1a48945f5 315 std::string s;
mimil 0:7bd1a48945f5 316 serialize(std::back_inserter(s));
mimil 0:7bd1a48945f5 317 return s;
mimil 0:7bd1a48945f5 318 }
mimil 0:7bd1a48945f5 319
mimil 0:7bd1a48945f5 320 template <typename Iter> class input {
mimil 0:7bd1a48945f5 321 protected:
mimil 0:7bd1a48945f5 322 Iter cur_, end_;
mimil 0:7bd1a48945f5 323 int last_ch_;
mimil 0:7bd1a48945f5 324 bool ungot_;
mimil 0:7bd1a48945f5 325 int line_;
mimil 0:7bd1a48945f5 326 public:
mimil 0:7bd1a48945f5 327 input(const Iter& first, const Iter& last) : cur_(first), end_(last), last_ch_(-1), ungot_(false), line_(1) {}
mimil 0:7bd1a48945f5 328 int getc() {
mimil 0:7bd1a48945f5 329 if (ungot_) {
mimil 1:2bb500b021e2 330 ungot_ = false;
mimil 1:2bb500b021e2 331 return last_ch_;
mimil 0:7bd1a48945f5 332 }
mimil 0:7bd1a48945f5 333 if (cur_ == end_) {
mimil 1:2bb500b021e2 334 last_ch_ = -1;
mimil 1:2bb500b021e2 335 return -1;
mimil 0:7bd1a48945f5 336 }
mimil 0:7bd1a48945f5 337 if (last_ch_ == '\n') {
mimil 1:2bb500b021e2 338 line_++;
mimil 0:7bd1a48945f5 339 }
mimil 0:7bd1a48945f5 340 last_ch_ = *cur_++ & 0xff;
mimil 0:7bd1a48945f5 341 return last_ch_;
mimil 0:7bd1a48945f5 342 }
mimil 0:7bd1a48945f5 343 void ungetc() {
mimil 0:7bd1a48945f5 344 if (last_ch_ != -1) {
mimil 1:2bb500b021e2 345 assert(! ungot_);
mimil 1:2bb500b021e2 346 ungot_ = true;
mimil 0:7bd1a48945f5 347 }
mimil 0:7bd1a48945f5 348 }
mimil 0:7bd1a48945f5 349 Iter cur() const { return cur_; }
mimil 0:7bd1a48945f5 350 int line() const { return line_; }
mimil 0:7bd1a48945f5 351 void skip_ws() {
mimil 0:7bd1a48945f5 352 while (1) {
mimil 1:2bb500b021e2 353 int ch = getc();
mimil 1:2bb500b021e2 354 if (! (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r')) {
mimil 1:2bb500b021e2 355 ungetc();
mimil 1:2bb500b021e2 356 break;
mimil 1:2bb500b021e2 357 }
mimil 0:7bd1a48945f5 358 }
mimil 0:7bd1a48945f5 359 }
mimil 0:7bd1a48945f5 360 int expect(int expect) {
mimil 0:7bd1a48945f5 361 skip_ws();
mimil 0:7bd1a48945f5 362 if (getc() != expect) {
mimil 1:2bb500b021e2 363 ungetc();
mimil 1:2bb500b021e2 364 return false;
mimil 0:7bd1a48945f5 365 }
mimil 0:7bd1a48945f5 366 return true;
mimil 0:7bd1a48945f5 367 }
mimil 0:7bd1a48945f5 368 bool match(const std::string& pattern) {
mimil 0:7bd1a48945f5 369 for (std::string::const_iterator pi(pattern.begin());
mimil 1:2bb500b021e2 370 pi != pattern.end();
mimil 1:2bb500b021e2 371 ++pi) {
mimil 1:2bb500b021e2 372 if (getc() != *pi) {
mimil 1:2bb500b021e2 373 ungetc();
mimil 1:2bb500b021e2 374 return false;
mimil 1:2bb500b021e2 375 }
mimil 0:7bd1a48945f5 376 }
mimil 0:7bd1a48945f5 377 return true;
mimil 0:7bd1a48945f5 378 }
mimil 0:7bd1a48945f5 379 };
mimil 0:7bd1a48945f5 380
mimil 0:7bd1a48945f5 381 template<typename Iter> inline int _parse_quadhex(input<Iter> &in) {
mimil 0:7bd1a48945f5 382 int uni_ch = 0, hex;
mimil 0:7bd1a48945f5 383 for (int i = 0; i < 4; i++) {
mimil 0:7bd1a48945f5 384 if ((hex = in.getc()) == -1) {
mimil 1:2bb500b021e2 385 return -1;
mimil 0:7bd1a48945f5 386 }
mimil 0:7bd1a48945f5 387 if ('0' <= hex && hex <= '9') {
mimil 1:2bb500b021e2 388 hex -= '0';
mimil 0:7bd1a48945f5 389 } else if ('A' <= hex && hex <= 'F') {
mimil 1:2bb500b021e2 390 hex -= 'A' - 0xa;
mimil 0:7bd1a48945f5 391 } else if ('a' <= hex && hex <= 'f') {
mimil 1:2bb500b021e2 392 hex -= 'a' - 0xa;
mimil 0:7bd1a48945f5 393 } else {
mimil 1:2bb500b021e2 394 in.ungetc();
mimil 1:2bb500b021e2 395 return -1;
mimil 0:7bd1a48945f5 396 }
mimil 0:7bd1a48945f5 397 uni_ch = uni_ch * 16 + hex;
mimil 0:7bd1a48945f5 398 }
mimil 0:7bd1a48945f5 399 return uni_ch;
mimil 0:7bd1a48945f5 400 }
mimil 0:7bd1a48945f5 401
mimil 0:7bd1a48945f5 402 template<typename Iter> inline bool _parse_codepoint(std::string& out, input<Iter>& in) {
mimil 0:7bd1a48945f5 403 int uni_ch;
mimil 0:7bd1a48945f5 404 if ((uni_ch = _parse_quadhex(in)) == -1) {
mimil 0:7bd1a48945f5 405 return false;
mimil 0:7bd1a48945f5 406 }
mimil 0:7bd1a48945f5 407 if (0xd800 <= uni_ch && uni_ch <= 0xdfff) {
mimil 0:7bd1a48945f5 408 if (0xdc00 <= uni_ch) {
mimil 1:2bb500b021e2 409 // a second 16-bit of a surrogate pair appeared
mimil 1:2bb500b021e2 410 return false;
mimil 0:7bd1a48945f5 411 }
mimil 0:7bd1a48945f5 412 // first 16-bit of surrogate pair, get the next one
mimil 0:7bd1a48945f5 413 if (in.getc() != '\\' || in.getc() != 'u') {
mimil 1:2bb500b021e2 414 in.ungetc();
mimil 1:2bb500b021e2 415 return false;
mimil 0:7bd1a48945f5 416 }
mimil 0:7bd1a48945f5 417 int second = _parse_quadhex(in);
mimil 0:7bd1a48945f5 418 if (! (0xdc00 <= second && second <= 0xdfff)) {
mimil 1:2bb500b021e2 419 return false;
mimil 0:7bd1a48945f5 420 }
mimil 0:7bd1a48945f5 421 uni_ch = ((uni_ch - 0xd800) << 10) | ((second - 0xdc00) & 0x3ff);
mimil 0:7bd1a48945f5 422 uni_ch += 0x10000;
mimil 0:7bd1a48945f5 423 }
mimil 0:7bd1a48945f5 424 if (uni_ch < 0x80) {
mimil 0:7bd1a48945f5 425 out.push_back(uni_ch);
mimil 0:7bd1a48945f5 426 } else {
mimil 0:7bd1a48945f5 427 if (uni_ch < 0x800) {
mimil 1:2bb500b021e2 428 out.push_back(0xc0 | (uni_ch >> 6));
mimil 0:7bd1a48945f5 429 } else {
mimil 1:2bb500b021e2 430 if (uni_ch < 0x10000) {
mimil 1:2bb500b021e2 431 out.push_back(0xe0 | (uni_ch >> 12));
mimil 1:2bb500b021e2 432 } else {
mimil 1:2bb500b021e2 433 out.push_back(0xf0 | (uni_ch >> 18));
mimil 1:2bb500b021e2 434 out.push_back(0x80 | ((uni_ch >> 12) & 0x3f));
mimil 1:2bb500b021e2 435 }
mimil 1:2bb500b021e2 436 out.push_back(0x80 | ((uni_ch >> 6) & 0x3f));
mimil 0:7bd1a48945f5 437 }
mimil 0:7bd1a48945f5 438 out.push_back(0x80 | (uni_ch & 0x3f));
mimil 0:7bd1a48945f5 439 }
mimil 0:7bd1a48945f5 440 return true;
mimil 0:7bd1a48945f5 441 }
mimil 0:7bd1a48945f5 442
mimil 0:7bd1a48945f5 443 template<typename Iter> inline bool _parse_string(value& out, input<Iter>& in) {
mimil 0:7bd1a48945f5 444 // gcc 4.1 cannot compile if the below two lines are merged into one :-(
mimil 0:7bd1a48945f5 445 out = value(string_type, false);
mimil 0:7bd1a48945f5 446 std::string& s = out.get<std::string>();
mimil 0:7bd1a48945f5 447 while (1) {
mimil 0:7bd1a48945f5 448 int ch = in.getc();
mimil 0:7bd1a48945f5 449 if (ch < ' ') {
mimil 1:2bb500b021e2 450 in.ungetc();
mimil 1:2bb500b021e2 451 return false;
mimil 0:7bd1a48945f5 452 } else if (ch == '"') {
mimil 1:2bb500b021e2 453 return true;
mimil 0:7bd1a48945f5 454 } else if (ch == '\\') {
mimil 1:2bb500b021e2 455 if ((ch = in.getc()) == -1) {
mimil 1:2bb500b021e2 456 return false;
mimil 1:2bb500b021e2 457 }
mimil 1:2bb500b021e2 458 switch (ch) {
mimil 0:7bd1a48945f5 459 #define MAP(sym, val) case sym: s.push_back(val); break
mimil 1:2bb500b021e2 460 MAP('"', '\"');
mimil 1:2bb500b021e2 461 MAP('\\', '\\');
mimil 1:2bb500b021e2 462 MAP('/', '/');
mimil 1:2bb500b021e2 463 MAP('b', '\b');
mimil 1:2bb500b021e2 464 MAP('f', '\f');
mimil 1:2bb500b021e2 465 MAP('n', '\n');
mimil 1:2bb500b021e2 466 MAP('r', '\r');
mimil 1:2bb500b021e2 467 MAP('t', '\t');
mimil 0:7bd1a48945f5 468 #undef MAP
mimil 1:2bb500b021e2 469 case 'u':
mimil 1:2bb500b021e2 470 if (! _parse_codepoint(s, in)) {
mimil 1:2bb500b021e2 471 return false;
mimil 1:2bb500b021e2 472 }
mimil 1:2bb500b021e2 473 break;
mimil 1:2bb500b021e2 474 default:
mimil 1:2bb500b021e2 475 return false;
mimil 1:2bb500b021e2 476 }
mimil 0:7bd1a48945f5 477 } else {
mimil 1:2bb500b021e2 478 s.push_back(ch);
mimil 0:7bd1a48945f5 479 }
mimil 0:7bd1a48945f5 480 }
mimil 0:7bd1a48945f5 481 return false;
mimil 0:7bd1a48945f5 482 }
mimil 0:7bd1a48945f5 483
mimil 0:7bd1a48945f5 484 template <typename Iter> inline bool _parse_array(value& out, input<Iter>& in) {
mimil 0:7bd1a48945f5 485 out = value(array_type, false);
mimil 0:7bd1a48945f5 486 array& a = out.get<array>();
mimil 0:7bd1a48945f5 487 if (in.expect(']')) {
mimil 0:7bd1a48945f5 488 return true;
mimil 0:7bd1a48945f5 489 }
mimil 0:7bd1a48945f5 490 do {
mimil 0:7bd1a48945f5 491 a.push_back(value());
mimil 0:7bd1a48945f5 492 if (! _parse(a.back(), in)) {
mimil 1:2bb500b021e2 493 return false;
mimil 0:7bd1a48945f5 494 }
mimil 0:7bd1a48945f5 495 } while (in.expect(','));
mimil 0:7bd1a48945f5 496 return in.expect(']');
mimil 0:7bd1a48945f5 497 }
mimil 0:7bd1a48945f5 498
mimil 0:7bd1a48945f5 499 template <typename Iter> inline bool _parse_object(value& out, input<Iter>& in) {
mimil 0:7bd1a48945f5 500 out = value(object_type, false);
mimil 0:7bd1a48945f5 501 object& o = out.get<object>();
mimil 0:7bd1a48945f5 502 if (in.expect('}')) {
mimil 0:7bd1a48945f5 503 return true;
mimil 0:7bd1a48945f5 504 }
mimil 0:7bd1a48945f5 505 do {
mimil 0:7bd1a48945f5 506 value key, val;
mimil 0:7bd1a48945f5 507 if (in.expect('"')
mimil 1:2bb500b021e2 508 && _parse_string(key, in)
mimil 1:2bb500b021e2 509 && in.expect(':')
mimil 1:2bb500b021e2 510 && _parse(val, in)) {
mimil 1:2bb500b021e2 511 o[key.to_str()] = val;
mimil 0:7bd1a48945f5 512 } else {
mimil 1:2bb500b021e2 513 return false;
mimil 0:7bd1a48945f5 514 }
mimil 0:7bd1a48945f5 515 } while (in.expect(','));
mimil 0:7bd1a48945f5 516 return in.expect('}');
mimil 0:7bd1a48945f5 517 }
mimil 0:7bd1a48945f5 518
mimil 0:7bd1a48945f5 519 template <typename Iter> inline bool _parse_number(value& out, input<Iter>& in) {
mimil 0:7bd1a48945f5 520 std::string num_str;
mimil 0:7bd1a48945f5 521 while (1) {
mimil 0:7bd1a48945f5 522 int ch = in.getc();
mimil 0:7bd1a48945f5 523 if (('0' <= ch && ch <= '9') || ch == '+' || ch == '-' || ch == '.'
mimil 1:2bb500b021e2 524 || ch == 'e' || ch == 'E') {
mimil 1:2bb500b021e2 525 num_str.push_back(ch);
mimil 0:7bd1a48945f5 526 } else {
mimil 1:2bb500b021e2 527 in.ungetc();
mimil 1:2bb500b021e2 528 break;
mimil 0:7bd1a48945f5 529 }
mimil 0:7bd1a48945f5 530 }
mimil 0:7bd1a48945f5 531 char* endp;
mimil 0:7bd1a48945f5 532 out = value(strtod(num_str.c_str(), &endp));
mimil 0:7bd1a48945f5 533 return endp == num_str.c_str() + num_str.size();
mimil 0:7bd1a48945f5 534 }
mimil 0:7bd1a48945f5 535
mimil 0:7bd1a48945f5 536 template <typename Iter> inline bool _parse(value& out, input<Iter>& in) {
mimil 0:7bd1a48945f5 537 in.skip_ws();
mimil 0:7bd1a48945f5 538 int ch = in.getc();
mimil 0:7bd1a48945f5 539 switch (ch) {
mimil 0:7bd1a48945f5 540 #define IS(ch, text, val) case ch: \
mimil 0:7bd1a48945f5 541 if (in.match(text)) { \
mimil 1:2bb500b021e2 542 out = val; \
mimil 1:2bb500b021e2 543 return true; \
mimil 0:7bd1a48945f5 544 } else { \
mimil 1:2bb500b021e2 545 return false; \
mimil 0:7bd1a48945f5 546 }
mimil 0:7bd1a48945f5 547 IS('n', "ull", value());
mimil 0:7bd1a48945f5 548 IS('f', "alse", value(false));
mimil 0:7bd1a48945f5 549 IS('t', "rue", value(true));
mimil 0:7bd1a48945f5 550 #undef IS
mimil 0:7bd1a48945f5 551 case '"':
mimil 0:7bd1a48945f5 552 return _parse_string(out, in);
mimil 0:7bd1a48945f5 553 case '[':
mimil 0:7bd1a48945f5 554 return _parse_array(out, in);
mimil 0:7bd1a48945f5 555 case '{':
mimil 0:7bd1a48945f5 556 return _parse_object(out, in);
mimil 0:7bd1a48945f5 557 default:
mimil 0:7bd1a48945f5 558 if (('0' <= ch && ch <= '9') || ch == '-') {
mimil 1:2bb500b021e2 559 in.ungetc();
mimil 1:2bb500b021e2 560 return _parse_number(out, in);
mimil 0:7bd1a48945f5 561 }
mimil 0:7bd1a48945f5 562 break;
mimil 0:7bd1a48945f5 563 }
mimil 0:7bd1a48945f5 564 in.ungetc();
mimil 0:7bd1a48945f5 565 return false;
mimil 0:7bd1a48945f5 566 }
mimil 0:7bd1a48945f5 567
mimil 0:7bd1a48945f5 568 // obsolete, use the version below
mimil 0:7bd1a48945f5 569 template <typename Iter> inline std::string parse(value& out, Iter& pos, const Iter& last) {
mimil 0:7bd1a48945f5 570 std::string err;
mimil 0:7bd1a48945f5 571 pos = parse(out, pos, last, &err);
mimil 0:7bd1a48945f5 572 return err;
mimil 0:7bd1a48945f5 573 }
mimil 0:7bd1a48945f5 574
mimil 0:7bd1a48945f5 575 template <typename Iter> inline Iter parse(value& out, const Iter& first, const Iter& last, std::string* err) {
mimil 0:7bd1a48945f5 576 input<Iter> in(first, last);
mimil 0:7bd1a48945f5 577 if (! _parse(out, in) && err != NULL) {
mimil 0:7bd1a48945f5 578 char buf[64];
mimil 0:7bd1a48945f5 579 SNPRINTF(buf, sizeof(buf), "syntax error at line %d near: ", in.line());
mimil 0:7bd1a48945f5 580 *err = buf;
mimil 0:7bd1a48945f5 581 while (1) {
mimil 1:2bb500b021e2 582 int ch = in.getc();
mimil 1:2bb500b021e2 583 if (ch == -1 || ch == '\n') {
mimil 1:2bb500b021e2 584 break;
mimil 1:2bb500b021e2 585 } else if (ch >= ' ') {
mimil 1:2bb500b021e2 586 err->push_back(ch);
mimil 1:2bb500b021e2 587 }
mimil 0:7bd1a48945f5 588 }
mimil 0:7bd1a48945f5 589 }
mimil 0:7bd1a48945f5 590 return in.cur();
mimil 0:7bd1a48945f5 591 }
mimil 0:7bd1a48945f5 592
mimil 0:7bd1a48945f5 593 inline std::string parse(value& out, std::istream& is) {
mimil 0:7bd1a48945f5 594 std::string err;
mimil 0:7bd1a48945f5 595 parse(out, std::istreambuf_iterator<char>(is.rdbuf()),
mimil 1:2bb500b021e2 596 std::istreambuf_iterator<char>(), &err);
mimil 0:7bd1a48945f5 597 return err;
mimil 0:7bd1a48945f5 598 }
mimil 0:7bd1a48945f5 599
mimil 0:7bd1a48945f5 600 template <typename T> struct last_error_t {
mimil 0:7bd1a48945f5 601 static std::string s;
mimil 0:7bd1a48945f5 602 };
mimil 0:7bd1a48945f5 603 template <typename T> std::string last_error_t<T>::s;
mimil 0:7bd1a48945f5 604
mimil 0:7bd1a48945f5 605 inline void set_last_error(const std::string& s) {
mimil 0:7bd1a48945f5 606 last_error_t<bool>::s = s;
mimil 0:7bd1a48945f5 607 }
mimil 0:7bd1a48945f5 608
mimil 0:7bd1a48945f5 609 inline const std::string& get_last_error() {
mimil 0:7bd1a48945f5 610 return last_error_t<bool>::s;
mimil 0:7bd1a48945f5 611 }
mimil 0:7bd1a48945f5 612
mimil 1:2bb500b021e2 613 inline bool operator==(const value& x, const value& y) {
mimil 0:7bd1a48945f5 614 if (x.is<null>())
mimil 0:7bd1a48945f5 615 return y.is<null>();
mimil 1:2bb500b021e2 616 #define PICOJSON_CMP(type) \
mimil 1:2bb500b021e2 617 if (x.is<type>()) \
mimil 0:7bd1a48945f5 618 return y.is<type>() && x.get<type>() == y.get<type>()
mimil 0:7bd1a48945f5 619 PICOJSON_CMP(bool);
mimil 0:7bd1a48945f5 620 PICOJSON_CMP(double);
mimil 0:7bd1a48945f5 621 PICOJSON_CMP(std::string);
mimil 0:7bd1a48945f5 622 PICOJSON_CMP(array);
mimil 0:7bd1a48945f5 623 PICOJSON_CMP(object);
mimil 0:7bd1a48945f5 624 #undef PICOJSON_CMP
mimil 0:7bd1a48945f5 625 assert(0);
mimil 0:7bd1a48945f5 626 #ifdef _MSC_VER
mimil 0:7bd1a48945f5 627 __assume(0);
mimil 0:7bd1a48945f5 628 #endif
mimil 0:7bd1a48945f5 629 return false;
mimil 0:7bd1a48945f5 630 }
mimil 0:7bd1a48945f5 631
mimil 0:7bd1a48945f5 632 inline bool operator!=(const value& x, const value& y) {
mimil 0:7bd1a48945f5 633 return ! (x == y);
mimil 0:7bd1a48945f5 634 }
mimil 0:7bd1a48945f5 635 }
mimil 0:7bd1a48945f5 636
mimil 0:7bd1a48945f5 637 inline std::istream& operator>>(std::istream& is, picojson::value& x)
mimil 0:7bd1a48945f5 638 {
mimil 0:7bd1a48945f5 639 picojson::set_last_error(std::string());
mimil 0:7bd1a48945f5 640 std::string err = picojson::parse(x, is);
mimil 0:7bd1a48945f5 641 if (! err.empty()) {
mimil 0:7bd1a48945f5 642 picojson::set_last_error(err);
mimil 0:7bd1a48945f5 643 is.setstate(std::ios::failbit);
mimil 0:7bd1a48945f5 644 }
mimil 0:7bd1a48945f5 645 return is;
mimil 0:7bd1a48945f5 646 }
mimil 0:7bd1a48945f5 647
mimil 0:7bd1a48945f5 648 inline std::ostream& operator<<(std::ostream& os, const picojson::value& x)
mimil 0:7bd1a48945f5 649 {
mimil 0:7bd1a48945f5 650 x.serialize(std::ostream_iterator<char>(os));
mimil 0:7bd1a48945f5 651 return os;
mimil 0:7bd1a48945f5 652 }
mimil 0:7bd1a48945f5 653 #ifdef _MSC_VER
mimil 0:7bd1a48945f5 654 #pragma warning(pop)
mimil 0:7bd1a48945f5 655 #endif
mimil 0:7bd1a48945f5 656
mimil 0:7bd1a48945f5 657 #endif
mimil 0:7bd1a48945f5 658 #ifdef TEST_PICOJSON
mimil 0:7bd1a48945f5 659 #ifdef _MSC_VER
mimil 0:7bd1a48945f5 660 #pragma warning(disable : 4127) // conditional expression is constant
mimil 0:7bd1a48945f5 661 #endif
mimil 0:7bd1a48945f5 662
mimil 0:7bd1a48945f5 663 using namespace std;
mimil 0:7bd1a48945f5 664
mimil 0:7bd1a48945f5 665 static void plan(int num)
mimil 0:7bd1a48945f5 666 {
mimil 0:7bd1a48945f5 667 printf("1..%d\n", num);
mimil 0:7bd1a48945f5 668 }
mimil 0:7bd1a48945f5 669
mimil 0:7bd1a48945f5 670 static void ok(bool b, const char* name = "")
mimil 0:7bd1a48945f5 671 {
mimil 0:7bd1a48945f5 672 static int n = 1;
mimil 0:7bd1a48945f5 673 printf("%s %d - %s\n", b ? "ok" : "ng", n++, name);
mimil 0:7bd1a48945f5 674 }
mimil 0:7bd1a48945f5 675
mimil 0:7bd1a48945f5 676 template <typename T> void is(const T& x, const T& y, const char* name = "")
mimil 0:7bd1a48945f5 677 {
mimil 0:7bd1a48945f5 678 if (x == y) {
mimil 0:7bd1a48945f5 679 ok(true, name);
mimil 0:7bd1a48945f5 680 } else {
mimil 0:7bd1a48945f5 681 ok(false, name);
mimil 0:7bd1a48945f5 682 }
mimil 0:7bd1a48945f5 683 }
mimil 0:7bd1a48945f5 684
mimil 0:7bd1a48945f5 685 #include <algorithm>
mimil 0:7bd1a48945f5 686
mimil 0:7bd1a48945f5 687 int main(void)
mimil 0:7bd1a48945f5 688 {
mimil 1:2bb500b021e2 689 plan(62);
mimil 0:7bd1a48945f5 690
mimil 1:2bb500b021e2 691 #define TEST(in, type, cmp, serialize_test) { \
mimil 1:2bb500b021e2 692 picojson::value v; \
mimil 1:2bb500b021e2 693 const char* s = in; \
mimil 1:2bb500b021e2 694 string err = picojson::parse(v, s, s + strlen(s)); \
mimil 1:2bb500b021e2 695 ok(err.empty(), in " no error"); \
mimil 1:2bb500b021e2 696 ok(v.is<type>(), in " check type"); \
mimil 1:2bb500b021e2 697 is(v.get<type>(), cmp, in " correct output"); \
mimil 1:2bb500b021e2 698 is(*s, '\0', in " read to eof"); \
mimil 1:2bb500b021e2 699 if (serialize_test) { \
mimil 1:2bb500b021e2 700 is(v.serialize(), string(in), in " serialize"); \
mimil 1:2bb500b021e2 701 } \
mimil 0:7bd1a48945f5 702 }
mimil 0:7bd1a48945f5 703 TEST("false", bool, false, true);
mimil 0:7bd1a48945f5 704 TEST("true", bool, true, true);
mimil 0:7bd1a48945f5 705 TEST("90.5", double, 90.5, false);
mimil 0:7bd1a48945f5 706 TEST("\"hello\"", string, string("hello"), true);
mimil 0:7bd1a48945f5 707 TEST("\"\\\"\\\\\\/\\b\\f\\n\\r\\t\"", string, string("\"\\/\b\f\n\r\t"),
mimil 0:7bd1a48945f5 708 true);
mimil 0:7bd1a48945f5 709 TEST("\"\\u0061\\u30af\\u30ea\\u30b9\"", string,
mimil 0:7bd1a48945f5 710 string("a\xe3\x82\xaf\xe3\x83\xaa\xe3\x82\xb9"), false);
mimil 0:7bd1a48945f5 711 TEST("\"\\ud840\\udc0b\"", string, string("\xf0\xa0\x80\x8b"), false);
mimil 0:7bd1a48945f5 712 #undef TEST
mimil 0:7bd1a48945f5 713
mimil 1:2bb500b021e2 714 #define TEST(type, expr) { \
mimil 1:2bb500b021e2 715 picojson::value v; \
mimil 1:2bb500b021e2 716 const char *s = expr; \
mimil 1:2bb500b021e2 717 string err = picojson::parse(v, s, s + strlen(s)); \
mimil 1:2bb500b021e2 718 ok(err.empty(), "empty " #type " no error"); \
mimil 1:2bb500b021e2 719 ok(v.is<picojson::type>(), "empty " #type " check type"); \
mimil 0:7bd1a48945f5 720 ok(v.get<picojson::type>().empty(), "check " #type " array size"); \
mimil 0:7bd1a48945f5 721 }
mimil 0:7bd1a48945f5 722 TEST(array, "[]");
mimil 0:7bd1a48945f5 723 TEST(object, "{}");
mimil 0:7bd1a48945f5 724 #undef TEST
mimil 0:7bd1a48945f5 725
mimil 0:7bd1a48945f5 726 {
mimil 0:7bd1a48945f5 727 picojson::value v;
mimil 0:7bd1a48945f5 728 const char *s = "[1,true,\"hello\"]";
mimil 0:7bd1a48945f5 729 string err = picojson::parse(v, s, s + strlen(s));
mimil 0:7bd1a48945f5 730 ok(err.empty(), "array no error");
mimil 0:7bd1a48945f5 731 ok(v.is<picojson::array>(), "array check type");
mimil 0:7bd1a48945f5 732 is(v.get<picojson::array>().size(), size_t(3), "check array size");
mimil 0:7bd1a48945f5 733 ok(v.get(0).is<double>(), "check array[0] type");
mimil 0:7bd1a48945f5 734 is(v.get(0).get<double>(), 1.0, "check array[0] value");
mimil 0:7bd1a48945f5 735 ok(v.get(1).is<bool>(), "check array[1] type");
mimil 0:7bd1a48945f5 736 ok(v.get(1).get<bool>(), "check array[1] value");
mimil 0:7bd1a48945f5 737 ok(v.get(2).is<string>(), "check array[2] type");
mimil 0:7bd1a48945f5 738 is(v.get(2).get<string>(), string("hello"), "check array[2] value");
mimil 0:7bd1a48945f5 739 }
mimil 0:7bd1a48945f5 740
mimil 0:7bd1a48945f5 741 {
mimil 0:7bd1a48945f5 742 picojson::value v;
mimil 0:7bd1a48945f5 743 const char *s = "{ \"a\": true }";
mimil 0:7bd1a48945f5 744 string err = picojson::parse(v, s, s + strlen(s));
mimil 0:7bd1a48945f5 745 ok(err.empty(), "object no error");
mimil 0:7bd1a48945f5 746 ok(v.is<picojson::object>(), "object check type");
mimil 0:7bd1a48945f5 747 is(v.get<picojson::object>().size(), size_t(1), "check object size");
mimil 0:7bd1a48945f5 748 ok(v.get("a").is<bool>(), "check property exists");
mimil 0:7bd1a48945f5 749 is(v.get("a").get<bool>(), true,
mimil 0:7bd1a48945f5 750 "check property value");
mimil 0:7bd1a48945f5 751 is(v.serialize(), string("{\"a\":true}"), "serialize object");
mimil 0:7bd1a48945f5 752 }
mimil 0:7bd1a48945f5 753
mimil 1:2bb500b021e2 754 #define TEST(json, msg) do { \
mimil 1:2bb500b021e2 755 picojson::value v; \
mimil 1:2bb500b021e2 756 const char *s = json; \
mimil 1:2bb500b021e2 757 string err = picojson::parse(v, s, s + strlen(s)); \
mimil 1:2bb500b021e2 758 is(err, string("syntax error at line " msg), msg); \
mimil 0:7bd1a48945f5 759 } while (0)
mimil 0:7bd1a48945f5 760 TEST("falsoa", "1 near: oa");
mimil 0:7bd1a48945f5 761 TEST("{]", "1 near: ]");
mimil 0:7bd1a48945f5 762 TEST("\n\bbell", "2 near: bell");
mimil 0:7bd1a48945f5 763 TEST("\"abc\nd\"", "1 near: ");
mimil 0:7bd1a48945f5 764 #undef TEST
mimil 0:7bd1a48945f5 765
mimil 0:7bd1a48945f5 766 {
mimil 0:7bd1a48945f5 767 picojson::value v1, v2;
mimil 0:7bd1a48945f5 768 const char *s;
mimil 0:7bd1a48945f5 769 string err;
mimil 0:7bd1a48945f5 770 s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
mimil 0:7bd1a48945f5 771 err = picojson::parse(v1, s, s + strlen(s));
mimil 0:7bd1a48945f5 772 s = "{ \"d\": 2.0, \"b\": true, \"a\": [1,2,\"three\"] }";
mimil 0:7bd1a48945f5 773 err = picojson::parse(v2, s, s + strlen(s));
mimil 0:7bd1a48945f5 774 ok((v1 == v2), "check == operator in deep comparison");
mimil 0:7bd1a48945f5 775 }
mimil 0:7bd1a48945f5 776
mimil 0:7bd1a48945f5 777 {
mimil 0:7bd1a48945f5 778 picojson::value v1, v2;
mimil 0:7bd1a48945f5 779 const char *s;
mimil 0:7bd1a48945f5 780 string err;
mimil 0:7bd1a48945f5 781 s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
mimil 0:7bd1a48945f5 782 err = picojson::parse(v1, s, s + strlen(s));
mimil 0:7bd1a48945f5 783 s = "{ \"d\": 2.0, \"a\": [1,\"three\"], \"b\": true }";
mimil 0:7bd1a48945f5 784 err = picojson::parse(v2, s, s + strlen(s));
mimil 0:7bd1a48945f5 785 ok((v1 != v2), "check != operator for array in deep comparison");
mimil 0:7bd1a48945f5 786 }
mimil 0:7bd1a48945f5 787
mimil 0:7bd1a48945f5 788 {
mimil 0:7bd1a48945f5 789 picojson::value v1, v2;
mimil 0:7bd1a48945f5 790 const char *s;
mimil 0:7bd1a48945f5 791 string err;
mimil 0:7bd1a48945f5 792 s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
mimil 0:7bd1a48945f5 793 err = picojson::parse(v1, s, s + strlen(s));
mimil 0:7bd1a48945f5 794 s = "{ \"d\": 2.0, \"a\": [1,2,\"three\"], \"b\": false }";
mimil 0:7bd1a48945f5 795 err = picojson::parse(v2, s, s + strlen(s));
mimil 0:7bd1a48945f5 796 ok((v1 != v2), "check != operator for object in deep comparison");
mimil 0:7bd1a48945f5 797 }
mimil 0:7bd1a48945f5 798
mimil 0:7bd1a48945f5 799 {
mimil 0:7bd1a48945f5 800 picojson::value v1, v2;
mimil 0:7bd1a48945f5 801 const char *s;
mimil 0:7bd1a48945f5 802 string err;
mimil 0:7bd1a48945f5 803 s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
mimil 0:7bd1a48945f5 804 err = picojson::parse(v1, s, s + strlen(s));
mimil 0:7bd1a48945f5 805 picojson::object& o = v1.get<picojson::object>();
mimil 0:7bd1a48945f5 806 o.erase("b");
mimil 0:7bd1a48945f5 807 picojson::array& a = o["a"].get<picojson::array>();
mimil 0:7bd1a48945f5 808 picojson::array::iterator i;
mimil 0:7bd1a48945f5 809 i = std::remove(a.begin(), a.end(), picojson::value(std::string("three")));
mimil 0:7bd1a48945f5 810 a.erase(i, a.end());
mimil 0:7bd1a48945f5 811 s = "{ \"a\": [1,2], \"d\": 2 }";
mimil 0:7bd1a48945f5 812 err = picojson::parse(v2, s, s + strlen(s));
mimil 0:7bd1a48945f5 813 ok((v1 == v2), "check erase()");
mimil 0:7bd1a48945f5 814 }
mimil 0:7bd1a48945f5 815
mimil 1:2bb500b021e2 816 ok(picojson::value(3.0).serialize() == "3",
mimil 1:2bb500b021e2 817 "integral number should be serialized as a integer");
mimil 1:2bb500b021e2 818
mimil 0:7bd1a48945f5 819 return 0;
mimil 0:7bd1a48945f5 820 }
mimil 0:7bd1a48945f5 821
mimil 1:2bb500b021e2 822 #endif