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 You can parse a JSON string using something like <<code>> picojson::value v; const char *json = "{\"string\": \"it works\", \"number\": 3.14}"; string err = picojson::parse(v, json, json + strlen(json)); printf("--> res %s\r\n", err.c_str()); printf("string =%s\r\n" , v.get("string").get<string>()); printf("number =%f\r\n" , v.get("number").get<double>()); <</code>> or serialize using something like <<code>> picojson::object v; v["aa"] = picojson::value(string("tt")); v["bb"] = picojson::value(double(1)); string str = picojson::value(v).serialize(); printf("result =%s\r\n" , str.c_str()); <</code>> Note: it seems that there are some memory? issues with "complex" structures. So always test your json with the lib before using it within your application.

Dependents:   PicoJSONSample SenseClientSample net-o-meter AV_MQTT ... more

Committer:
mimil
Date:
Wed Aug 31 14:48:57 2011 +0000
Revision:
0:7bd1a48945f5
Child:
1:2bb500b021e2

        

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