/*
* Copyright 2009-2010 Cybozu Labs, Inc.
* Copyright 2011 Kazuho Oku
- *
+ *
* 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 CYBOZU LABS, INC. ``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
* 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.
- *
+ *
* The views and conclusions contained in the software and documentation are
* those of the authors and should not be interpreted as representing official
* policies, either expressed or implied, of Cybozu Labs, Inc.
#include <vector>
#ifdef _MSC_VER
- #define SNPRINTF _snprintf_s
- #pragma warning(push)
- #pragma warning(disable : 4244) // conversion from int to char
+ #define SNPRINTF _snprintf_s
+ #pragma warning(push)
+ #pragma warning(disable : 4244) // conversion from int to char
#else
- #define SNPRINTF snprintf
+ #define SNPRINTF snprintf
#endif
namespace picojson {
-
+
enum {
- null_type,
- boolean_type,
- number_type,
- string_type,
- array_type,
- object_type
+ null_type,
+ boolean_type,
+ number_type,
+ string_type,
+ array_type,
+ object_type
};
-
+
struct null {};
-
+
class value {
public:
- typedef std::vector<value> array;
- typedef std::map<std::string, value> object;
- union _storage {
- bool boolean_;
- double number_;
- std::string* string_;
- array* array_;
- object* object_;
- };
+ typedef std::vector<value> array;
+ typedef std::map<std::string, value> object;
+ union _storage {
+ bool boolean_;
+ double number_;
+ std::string* string_;
+ array* array_;
+ object* object_;
+ };
protected:
- int type_;
- _storage u_;
+ int type_;
+ _storage u_;
public:
- value();
- value(int type, bool);
- explicit value(bool b);
- 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);
- void swap(value& x);
- template <typename T> bool is() const;
- template <typename T> const T& get() const;
- template <typename T> T& get();
- bool evaluate_as_boolean() const;
- const value& get(size_t idx) const;
- const value& get(const std::string& key) const;
- 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) const;
- std::string serialize() const;
+ value();
+ value(int type, bool);
+ explicit value(bool b);
+ 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);
+ void swap(value& x);
+ template <typename T> bool is() const;
+ template <typename T> const T& get() const;
+ template <typename T> T& get();
+ bool evaluate_as_boolean() const;
+ const value& get(size_t idx) const;
+ const value& get(const std::string& key) const;
+ 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) const;
+ std::string serialize() const;
private:
- template <typename T> value(const T*); // intentionally defined to block implicit conversion of pointer to bool
+ template <typename T> value(const T*); // intentionally defined to block implicit conversion of pointer to bool
};
-
+
typedef value::array array;
typedef value::object object;
-
+
inline value::value() : type_(null_type) {}
-
+
inline value::value(int type, bool) : type_(type) {
- switch (type) {
+ switch (type) {
#define INIT(p, v) case p##type: u_.p = v; break
- INIT(boolean_, false);
- INIT(number_, 0.0);
- INIT(string_, new std::string());
- INIT(array_, new array());
- INIT(object_, new object());
+ INIT(boolean_, false);
+ INIT(number_, 0.0);
+ INIT(string_, new std::string());
+ INIT(array_, new array());
+ INIT(object_, new object());
#undef INIT
- default: break;
- }
+ default: break;
+ }
}
-
+
inline value::value(bool b) : type_(boolean_type) {
- u_.boolean_ = b;
+ u_.boolean_ = b;
}
-
+
inline value::value(double n) : type_(number_type) {
- u_.number_ = n;
+ u_.number_ = n;
}
-
+
inline value::value(const std::string& s) : type_(string_type) {
- u_.string_ = new std::string(s);
+ u_.string_ = new std::string(s);
}
-
+
inline value::value(const array& a) : type_(array_type) {
- u_.array_ = new array(a);
+ u_.array_ = new array(a);
}
-
+
inline value::value(const object& o) : type_(object_type) {
- u_.object_ = new object(o);
+ u_.object_ = new object(o);
}
-
+
inline value::value(const char* s) : type_(string_type) {
- u_.string_ = new std::string(s);
+ 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);
+ u_.string_ = new std::string(s, len);
}
-
+
inline value::~value() {
- switch (type_) {
+ switch (type_) {
#define DEINIT(p) case p##type: delete u_.p; break
- DEINIT(string_);
- DEINIT(array_);
- DEINIT(object_);
+ DEINIT(string_);
+ DEINIT(array_);
+ DEINIT(object_);
#undef DEINIT
- default: break;
- }
+ default: break;
+ }
}
-
+
inline value::value(const value& x) : type_(x.type_) {
- switch (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_));
+ 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;
- }
+ default:
+ u_ = x.u_;
+ break;
+ }
}
-
+
inline value& value::operator=(const value& x) {
- if (this != &x) {
- this->~value();
- new (this) value(x);
- }
- return *this;
+ if (this != &x) {
+ this->~value();
+ new (this) value(x);
+ }
+ return *this;
}
-
+
inline void value::swap(value& x) {
- std::swap(type_, x.type_);
- std::swap(u_, x.u_);
+ 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; \
+ return type_ == jtype##_type; \
}
IS(null, null)
IS(bool, boolean)
IS(array, array)
IS(object, object)
#undef IS
-
+
#define GET(ctype, var) \
template <> inline const ctype& value::get<ctype>() const { \
- assert("type mismatch! call vis<type>() before get<type>()" \
+ assert("type mismatch! call vis<type>() before get<type>()" \
&& is<ctype>()); \
- return var; \
+ return var; \
} \
template <> inline ctype& value::get<ctype>() { \
- assert("type mismatch! call is<type>() before get<type>()" \
+ assert("type mismatch! call is<type>() before get<type>()" \
&& is<ctype>()); \
- return var; \
+ return var; \
}
GET(bool, u_.boolean_)
GET(double, u_.number_)
GET(array, *u_.array_)
GET(object, *u_.object_)
#undef GET
-
+
inline bool value::evaluate_as_boolean() const {
- switch (type_) {
- case null_type:
- return false;
- case boolean_type:
- return u_.boolean_;
- case number_type:
- return u_.number_ != 0;
- case string_type:
- return ! u_.string_->empty();
- default:
- return true;
- }
+ switch (type_) {
+ case null_type:
+ return false;
+ case boolean_type:
+ return u_.boolean_;
+ case number_type:
+ return u_.number_ != 0;
+ case string_type:
+ return ! u_.string_->empty();
+ default:
+ return true;
+ }
}
-
+
inline const value& value::get(size_t idx) const {
- static value s_null;
- assert(is<array>());
- return idx < u_.array_->size() ? (*u_.array_)[idx] : s_null;
+ static value s_null;
+ return idx < u_.array_->size() ? (*u_.array_)[idx] : s_null;
}
inline const value& value::get(const std::string& key) const {
- static value s_null;
- assert(is<object>());
- object::const_iterator i = u_.object_->find(key);
- return i != u_.object_->end() ? i->second : s_null;
+ static value s_null;
+ assert(is<object>());
+ object::const_iterator i = u_.object_->find(key);
+ return i != u_.object_->end() ? i->second : s_null;
}
inline bool value::contains(size_t idx) const {
- assert(is<array>());
- return idx < u_.array_->size();
+ return idx < u_.array_->size();
}
inline bool value::contains(const std::string& key) const {
- assert(is<object>());
- object::const_iterator i = u_.object_->find(key);
- return i != u_.object_->end();
+ 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";
- 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_);
- return buf;
- }
- case string_type: return *u_.string_;
- case array_type: return "array";
- case object_type: return "object";
- default: assert(0);
+ switch (type_) {
+ case null_type: return "null";
+ case boolean_type: return u_.boolean_ ? "true" : "false";
+ 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_);
+ return buf;
+ }
+ case string_type: return *u_.string_;
+ case array_type: {
+ std::string output;
+ for(auto i : get<array>())
+ {
+ output+= i.to_str() + ",";
+ }
+ output = output.substr(0, output.length() - 1);
+ output = "["+output+"]";
+ return output;
+ }
+ case object_type: return "object";
+ default: assert(0);
#ifdef _MSC_VER
- __assume(0);
+ __assume(0);
#endif
- }
- return std::string();
+ }
+ return std::string();
}
-
+
template <typename Iter> void copy(const std::string& s, Iter oi) {
- std::copy(s.begin(), s.end(), oi);
+ std::copy(s.begin(), s.end(), oi);
}
-
+
template <typename Iter> void serialize_str(const std::string& s, Iter oi) {
- *oi++ = '"';
- for (std::string::const_iterator i = s.begin(); i != s.end(); ++i) {
- switch (*i) {
+ *oi++ = '"';
+ for (std::string::const_iterator i = s.begin(); i != s.end(); ++i) {
+ switch (*i) {
#define MAP(val, sym) case val: copy(sym, oi); break
MAP('"', "\\\"");
MAP('\\', "\\\\");
MAP('\r', "\\r");
MAP('\t', "\\t");
#undef MAP
- default:
+ default:
if ((unsigned char)*i < 0x20 || *i == 0x7f) {
char buf[7];
SNPRINTF(buf, sizeof(buf), "\\u%04x", *i & 0xff);
*oi++ = *i;
}
break;
- }
- }
- *oi++ = '"';
+ }
+ }
+ *oi++ = '"';
}
-
+
template <typename Iter> void value::serialize(Iter oi) const {
- switch (type_) {
- case string_type:
- serialize_str(*u_.string_, oi);
- break;
- case array_type: {
- *oi++ = '[';
- for (array::const_iterator i = u_.array_->begin();
- i != u_.array_->end();
- ++i) {
+ switch (type_) {
+ case string_type:
+ serialize_str(*u_.string_, oi);
+ break;
+ case array_type: {
+ *oi++ = '[';
+ for (array::const_iterator i = u_.array_->begin();
+ i != u_.array_->end();
+ ++i) {
if (i != u_.array_->begin()) {
*oi++ = ',';
}
i->serialize(oi);
- }
- *oi++ = ']';
- break;
- }
- case object_type: {
- *oi++ = '{';
- for (object::const_iterator i = u_.object_->begin();
+ }
+ *oi++ = ']';
+ break;
+ }
+ case object_type: {
+ *oi++ = '{';
+ for (object::const_iterator i = u_.object_->begin();
i != u_.object_->end();
++i) {
if (i != u_.object_->begin()) {
serialize_str(i->first, oi);
*oi++ = ':';
i->second.serialize(oi);
- }
- *oi++ = '}';
- break;
- }
- default:
- copy(to_str(), oi);
- break;
- }
+ }
+ *oi++ = '}';
+ break;
+ }
+ default:
+ copy(to_str(), oi);
+ break;
+ }
}
-
+
inline std::string value::serialize() const {
- std::string s;
- serialize(std::back_inserter(s));
- return s;
+ std::string s;
+ serialize(std::back_inserter(s));
+ return s;
}
-
+
template <typename Iter> class input {
protected:
- Iter cur_, end_;
- int last_ch_;
- bool ungot_;
- int line_;
+ Iter cur_, end_;
+ int last_ch_;
+ bool ungot_;
+ int line_;
public:
- input(const Iter& first, const Iter& last) : cur_(first), end_(last), last_ch_(-1), ungot_(false), line_(1) {}
- int getc() {
- if (ungot_) {
+ input(const Iter& first, const Iter& last) : cur_(first), end_(last), last_ch_(-1), ungot_(false), line_(1) {}
+ int getc() {
+ if (ungot_) {
ungot_ = false;
return last_ch_;
- }
- if (cur_ == end_) {
+ }
+ if (cur_ == end_) {
last_ch_ = -1;
return -1;
- }
- if (last_ch_ == '\n') {
+ }
+ if (last_ch_ == '\n') {
line_++;
- }
- last_ch_ = *cur_++ & 0xff;
- return last_ch_;
- }
- void ungetc() {
- if (last_ch_ != -1) {
+ }
+ last_ch_ = *cur_++ & 0xff;
+ return last_ch_;
+ }
+ void ungetc() {
+ if (last_ch_ != -1) {
assert(! ungot_);
ungot_ = true;
- }
- }
- Iter cur() const { return cur_; }
- int line() const { return line_; }
- void skip_ws() {
- while (1) {
+ }
+ }
+ Iter cur() const { 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) {
+ }
+ }
+ 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());
+ }
+ 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;
- }
+ }
+ 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) {
+ int uni_ch = 0, hex;
+ for (int i = 0; i < 4; i++) {
+ if ((hex = in.getc()) == -1) {
return -1;
- }
- if ('0' <= hex && hex <= '9') {
+ }
+ if ('0' <= hex && hex <= '9') {
hex -= '0';
- } else if ('A' <= hex && hex <= 'F') {
+ } else if ('A' <= hex && hex <= 'F') {
hex -= 'A' - 0xa;
- } else if ('a' <= hex && hex <= 'f') {
+ } else if ('a' <= hex && hex <= 'f') {
hex -= 'a' - 0xa;
- } else {
+ } else {
in.ungetc();
return -1;
- }
- uni_ch = uni_ch * 16 + hex;
- }
- return uni_ch;
+ }
+ 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) {
+ 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') {
+ }
+ // 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)) {
+ }
+ 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) {
+ }
+ 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 {
+ } else {
if (uni_ch < 0x10000) {
out.push_back(0xe0 | (uni_ch >> 12));
} else {
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;
+ }
+ 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 < ' ') {
+ while (1) {
+ int ch = in.getc();
+ if (ch < ' ') {
in.ungetc();
return false;
- } else if (ch == '"') {
+ } else if (ch == '"') {
return true;
- } else if (ch == '\\') {
+ } else if (ch == '\\') {
if ((ch = in.getc()) == -1) {
return false;
}
#undef MAP
case 'u':
if (! _parse_codepoint(out, in)) {
- return false;
+ return false;
}
break;
default:
return false;
}
- } else {
+ } else {
out.push_back(ch);
- }
- }
- return false;
+ }
+ }
+ return false;
}
-
+
template <typename Context, typename Iter> inline bool _parse_array(Context& ctx, input<Iter>& in) {
- if (! ctx.parse_array_start()) {
- return false;
- }
- if (in.expect(']')) {
- return true;
- }
- size_t idx = 0;
- do {
- if (! ctx.parse_array_item(in, idx)) {
+ if (! ctx.parse_array_start()) {
+ return false;
+ }
+ if (in.expect(']')) {
+ return true;
+ }
+ size_t idx = 0;
+ do {
+ if (! ctx.parse_array_item(in, idx)) {
return false;
- }
- idx++;
- } while (in.expect(','));
- return in.expect(']');
+ }
+ idx++;
+ } while (in.expect(','));
+ return in.expect(']');
}
-
+
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('"')
+ 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)) {
+ }
+ if (! ctx.parse_object_item(in, key)) {
return false;
- }
- } while (in.expect(','));
- return in.expect('}');
+ }
+ } while (in.expect(','));
+ return in.expect('}');
}
-
+
template <typename Iter> inline bool _parse_number(double& out, input<Iter>& in) {
- std::string num_str;
- while (1) {
- int ch = in.getc();
- if (('0' <= ch && ch <= '9') || ch == '+' || ch == '-' || ch == '.'
+ std::string num_str;
+ while (1) {
+ int ch = in.getc();
+ if (('0' <= ch && ch <= '9') || ch == '+' || ch == '-' || ch == '.'
|| ch == 'e' || ch == 'E') {
num_str.push_back(ch);
- } else {
+ } else {
in.ungetc();
break;
- }
- }
- char* endp;
- out = strtod(num_str.c_str(), &endp);
- return endp == num_str.c_str() + num_str.size();
+ }
+ }
+ char* endp;
+ out = strtod(num_str.c_str(), &endp);
+ return endp == num_str.c_str() + num_str.size();
}
-
+
template <typename Context, typename Iter> inline bool _parse(Context& ctx, input<Iter>& in) {
- in.skip_ws();
- int ch = in.getc();
- switch (ch) {
+ in.skip_ws();
+ int ch = in.getc();
+ switch (ch) {
#define IS(ch, text, op) case ch: \
- if (in.match(text) && op) { \
+ if (in.match(text) && op) { \
return true; \
- } else { \
+ } else { \
return false; \
- }
- IS('n', "ull", ctx.set_null());
- IS('f', "alse", ctx.set_bool(false));
- IS('t', "rue", ctx.set_bool(true));
+ }
+ 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 == '-') {
+ 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 == '-') {
in.ungetc();
double f;
if (_parse_number(f, in)) {
} else {
return false;
}
- }
- break;
- }
- in.ungetc();
- return false;
+ }
+ break;
+ }
+ in.ungetc();
+ return false;
}
-
+
class deny_parse_context {
public:
- bool set_null() { return false; }
- bool set_bool(bool) { return false; }
- 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_object_start() { return false; }
- template <typename Iter> bool parse_object_item(input<Iter>&, const std::string&) {
- return false;
- }
+ bool set_null() { return false; }
+ bool set_bool(bool) { return false; }
+ 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_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_;
+ 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;
- }
- 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_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);
- }
+ default_parse_context(value* out) : out_(out) {}
+ bool set_null() {
+ *out_ = value();
+ return true;
+ }
+ bool set_bool(bool b) {
+ *out_ = value(b);
+ return true;
+ }
+ 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_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&);
+ 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) {}
- };
+ struct dummy_str {
+ void push_back(int) {}
+ };
public:
- null_parse_context() {}
- bool set_null() { return true; }
- bool set_bool(bool) { return true; }
- 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_object_start() { return true; }
- template <typename Iter> bool parse_object_item(input<Iter>& in, const std::string&) {
- return _parse(*this, in);
- }
+ null_parse_context() {}
+ bool set_null() { return true; }
+ bool set_bool(bool) { return true; }
+ 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_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&);
+ 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;
+ 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) {
+ 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();
+ }
+ }
+ 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);
+ default_parse_context ctx(&out);
+ return _parse(ctx, first, last, err);
}
-
+
inline std::string parse(value& out, std::istream& is) {
- std::string err;
- parse(out, std::istreambuf_iterator<char>(is.rdbuf()),
+ std::string err;
+ parse(out, std::istreambuf_iterator<char>(is.rdbuf()),
std::istreambuf_iterator<char>(), &err);
- return err;
+ return err;
}
-
+
template <typename T> struct last_error_t {
- static std::string s;
+ 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;
+ last_error_t<bool>::s = s;
}
-
+
inline const std::string& get_last_error() {
- return last_error_t<bool>::s;
+ return last_error_t<bool>::s;
}
inline bool operator==(const value& x, const value& y) {
- if (x.is<null>())
- return y.is<null>();
+ 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);
+ 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
- assert(0);
+ assert(0);
#ifdef _MSC_VER
- __assume(0);
+ __assume(0);
#endif
- return false;
+ return false;
}
-
+
inline bool operator!=(const value& x, const value& y) {
- return ! (x == y);
+ return ! (x == y);
}
}
namespace std {
template<> inline void swap(picojson::value& x, picojson::value& y)
- {
- x.swap(y);
- }
+ {
+ x.swap(y);
+ }
}
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);
+ picojson::set_last_error(err);
+ is.setstate(std::ios::failbit);
}
return is;
}
return os;
}
#ifdef _MSC_VER
- #pragma warning(pop)
+ #pragma warning(pop)
#endif
#endif
#ifdef TEST_PICOJSON
#ifdef _MSC_VER
- #pragma warning(disable : 4127) // conditional expression is constant
+ #pragma warning(disable : 4127) // conditional expression is constant
#endif
using namespace std;
-
+
static void plan(int num)
{
printf("1..%d\n", num);
{
static int n = 1;
if (! b)
- success = false;
+ success = false;
printf("%s %d - %s\n", b ? "ok" : "ng", n++, name);
}
template <typename T> void is(const T& x, const T& y, const char* name = "")
{
if (x == y) {
- ok(true, name);
+ ok(true, name);
} else {
- ok(false, name);
+ ok(false, name);
}
}
// constructors
#define TEST(expr, expected) \
- is(picojson::value expr .serialize(), string(expected), "picojson::value" #expr)
-
+ is(picojson::value expr .serialize(), string(expected), "picojson::value" #expr)
+
TEST( (true), "true");
TEST( (false), "false");
TEST( (42.0), "42");
TEST( ("hello", 4), "\"hell\"");
{
- double a = 1;
- for (int i = 0; i < 1024; i++) {
- picojson::value vi(a);
- std::stringstream ss;
- ss << vi;
- picojson::value vo;
- ss >> vo;
- double b = vo.get<double>();
- if ((i < 53 && a != b) || fabs(a - b) / b > 1e-8) {
- printf("ng i=%d a=%.18e b=%.18e\n", i, a, b);
- }
- a *= 2;
- }
+ double a = 1;
+ for (int i = 0; i < 1024; i++) {
+ picojson::value vi(a);
+ std::stringstream ss;
+ ss << vi;
+ picojson::value vo;
+ ss >> vo;
+ double b = vo.get<double>();
+ if ((i < 53 && a != b) || fabs(a - b) / b > 1e-8) {
+ printf("ng i=%d a=%.18e b=%.18e\n", i, a, b);
+ }
+ a *= 2;
+ }
}
-
+
#undef TEST
-
+
#define TEST(in, type, cmp, serialize_test) { \
- picojson::value v; \
- const char* s = in; \
- string err = picojson::parse(v, s, s + strlen(s)); \
- ok(err.empty(), in " no error"); \
- ok(v.is<type>(), in " check type"); \
- is<type>(v.get<type>(), cmp, in " correct output"); \
- is(*s, '\0', in " read to eof"); \
- if (serialize_test) { \
- is(v.serialize(), string(in), in " serialize"); \
- } \
+ picojson::value v; \
+ const char* s = in; \
+ string err = picojson::parse(v, s, s + strlen(s)); \
+ ok(err.empty(), in " no error"); \
+ ok(v.is<type>(), in " check type"); \
+ is<type>(v.get<type>(), cmp, in " correct output"); \
+ is(*s, '\0', in " read to eof"); \
+ if (serialize_test) { \
+ is(v.serialize(), string(in), in " serialize"); \
+ } \
}
TEST("false", bool, false, true);
TEST("true", bool, true, true);
TEST("1.7976931348623157e+308", double, DBL_MAX, false);
TEST("\"hello\"", string, string("hello"), true);
TEST("\"\\\"\\\\\\/\\b\\f\\n\\r\\t\"", string, string("\"\\/\b\f\n\r\t"),
- true);
+ true);
TEST("\"\\u0061\\u30af\\u30ea\\u30b9\"", string,
- string("a\xe3\x82\xaf\xe3\x83\xaa\xe3\x82\xb9"), false);
+ string("a\xe3\x82\xaf\xe3\x83\xaa\xe3\x82\xb9"), false);
TEST("\"\\ud840\\udc0b\"", string, string("\xf0\xa0\x80\x8b"), false);
#undef TEST
#define TEST(type, expr) { \
- picojson::value v; \
- const char *s = expr; \
- string err = picojson::parse(v, s, s + strlen(s)); \
- ok(err.empty(), "empty " #type " no error"); \
- ok(v.is<picojson::type>(), "empty " #type " check type"); \
- ok(v.get<picojson::type>().empty(), "check " #type " array size"); \
+ picojson::value v; \
+ const char *s = expr; \
+ string err = picojson::parse(v, s, s + strlen(s)); \
+ ok(err.empty(), "empty " #type " no error"); \
+ ok(v.is<picojson::type>(), "empty " #type " check type"); \
+
ok(v.get<picojson::type>().empty(), "check " #type " array size"); \
}
TEST(array, "[]");
TEST(object, "{}");
#undef TEST
-
+
{
- picojson::value v;
- const char *s = "[1,true,\"hello\"]";
- string err = picojson::parse(v, s, s + strlen(s));
- ok(err.empty(), "array no error");
- ok(v.is<picojson::array>(), "array check type");
- is(v.get<picojson::array>().size(), size_t(3), "check array size");
- ok(v.contains(0), "check contains array[0]");
- ok(v.get(0).is<double>(), "check array[0] type");
- is(v.get(0).get<double>(), 1.0, "check array[0] value");
- ok(v.contains(1), "check contains array[1]");
- ok(v.get(1).is<bool>(), "check array[1] type");
- ok(v.get(1).get<bool>(), "check array[1] value");
- ok(v.contains(2), "check contains array[2]");
- ok(v.get(2).is<string>(), "check array[2] type");
- is(v.get(2).get<string>(), string("hello"), "check array[2] value");
- ok(!v.contains(3), "check not contains array[3]");
+ picojson::value v;
+ const char *s = "[1,true,\"hello\"]";
+ string err = picojson::parse(v, s, s + strlen(s));
+ ok(err.empty(), "array no error");
+
ok(v.is<picojson::array>(), "array check type");
+
is(v.get<picojson::array>().size(), size_t(3), "check array size");
+ ok(v.contains(0), "check contains array[0]");
+ ok(v.get(0).is<double>(), "check array[0] type");
+ is(v.get(0).get<double>(), 1.0, "check array[0] value");
+ ok(v.contains(1), "check contains array[1]");
+ ok(v.get(1).is<bool>(), "check array[1] type");
+ ok(v.get(1).get<bool>(), "check array[1] value");
+ ok(v.contains(2), "check contains array[2]");
+ ok(v.get(2).is<string>(), "check array[2] type");
+ is(v.get(2).get<string>(), string("hello"), "check array[2] value");
+ ok(!v.contains(3), "check not contains array[3]");
}
-
+
{
- picojson::value v;
- const char *s = "{ \"a\": true }";
- string err = picojson::parse(v, s, s + strlen(s));
- ok(err.empty(), "object no error");
- ok(v.is<picojson::object>(), "object check type");
- is(v.get<picojson::object>().size(), size_t(1), "check object size");
- ok(v.contains("a"), "check contains property");
- ok(v.get("a").is<bool>(), "check bool property exists");
- is(v.get("a").get<bool>(), true, "check bool property value");
- is(v.serialize(), string("{\"a\":true}"), "serialize object");
- ok(!v.contains("z"), "check not contains property");
+ picojson::value v;
+ const char *s = "{ \"a\": true }";
+ string err = picojson::parse(v, s, s + strlen(s));
+ ok(err.empty(), "object no error");
+
ok(v.is<picojson::object>(), "object check type");
+
is(v.get<picojson::object>().size(), size_t(1), "check object size");
+ ok(v.contains("a"), "check contains property");
+ ok(v.get("a").is<bool>(), "check bool property exists");
+ is(v.get("a").get<bool>(), true, "check bool property value");
+ is(v.serialize(), string("{\"a\":true}"), "serialize object");
+ ok(!v.contains("z"), "check not contains property");
}
#define TEST(json, msg) do { \
- picojson::value v; \
- const char *s = json; \
- string err = picojson::parse(v, s, s + strlen(s)); \
- is(err, string("syntax error at line " msg), msg); \
+ picojson::value v; \
+ const char *s = json; \
+ string err = picojson::parse(v, s, s + strlen(s)); \
+ is(err, string("syntax error at line " msg), msg); \
} while (0)
TEST("falsoa", "1 near: oa");
TEST("{]", "1 near: ]");
TEST("\n\bbell", "2 near: bell");
TEST("\"abc\nd\"", "1 near: ");
#undef TEST
-
+
{
- picojson::value v1, v2;
- const char *s;
- string err;
- s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
- err = picojson::parse(v1, s, s + strlen(s));
- s = "{ \"d\": 2.0, \"b\": true, \"a\": [1,2,\"three\"] }";
- err = picojson::parse(v2, s, s + strlen(s));
- ok((v1 == v2), "check == operator in deep comparison");
+ picojson::value v1, v2;
+ const char *s;
+ string err;
+ s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
+ err = picojson::parse(v1, s, s + strlen(s));
+ s = "{ \"d\": 2.0, \"b\": true, \"a\": [1,2,\"three\"] }";
+ err = picojson::parse(v2, s, s + strlen(s));
+ ok((v1 == v2), "check == operator in deep comparison");
}
{
- picojson::value v1, v2;
- const char *s;
- string err;
- s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
- err = picojson::parse(v1, s, s + strlen(s));
- s = "{ \"d\": 2.0, \"a\": [1,\"three\"], \"b\": true }";
- err = picojson::parse(v2, s, s + strlen(s));
- ok((v1 != v2), "check != operator for array in deep comparison");
+ picojson::value v1, v2;
+ const char *s;
+ string err;
+ s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
+ err = picojson::parse(v1, s, s + strlen(s));
+ s = "{ \"d\": 2.0, \"a\": [1,\"three\"], \"b\": true }";
+ err = picojson::parse(v2, s, s + strlen(s));
+ ok((v1 != v2), "check != operator for array in deep comparison");
}
{
- picojson::value v1, v2;
- const char *s;
- string err;
- s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
- err = picojson::parse(v1, s, s + strlen(s));
- s = "{ \"d\": 2.0, \"a\": [1,2,\"three\"], \"b\": false }";
- err = picojson::parse(v2, s, s + strlen(s));
- ok((v1 != v2), "check != operator for object in deep comparison");
+ picojson::value v1, v2;
+ const char *s;
+ string err;
+ s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
+ err = picojson::parse(v1, s, s + strlen(s));
+ s = "{ \"d\": 2.0, \"a\": [1,2,\"three\"], \"b\": false }";
+ err = picojson::parse(v2, s, s + strlen(s));
+ ok((v1 != v2), "check != operator for object in deep comparison");
}
{
- picojson::value v1, v2;
- const char *s;
- string err;
- s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
- err = picojson::parse(v1, s, s + strlen(s));
- picojson::object& o = v1.get<picojson::object>();
- o.erase("b");
- picojson::array& a = o["a"].get<picojson::array>();
- picojson::array::iterator i;
- i = std::remove(a.begin(), a.end(), picojson::value(std::string("three")));
- a.erase(i, a.end());
- s = "{ \"a\": [1,2], \"d\": 2 }";
- err = picojson::parse(v2, s, s + strlen(s));
- ok((v1 == v2), "check erase()");
+ picojson::value v1, v2;
+ const char *s;
+ string err;
+ s = "{ \"b\": true, \"a\": [1,2,\"three\"], \"d\": 2 }";
+ err = picojson::parse(v1, s, s + strlen(s));
+
picojson::object& o = v1.get<picojson::object>();
+ o.erase("b");
+
picojson::array& a = o["a"].get<picojson::array>();
+ picojson::array::iterator i;
+ i = std::remove(a.begin(), a.end(), picojson::value(std::string("three")));
+ a.erase(i, a.end());
+ s = "{ \"a\": [1,2], \"d\": 2 }";
+ err = picojson::parse(v2, s, s + strlen(s));
+ ok((v1 == v2), "check erase()");
}
ok(picojson::value(3.0).serialize() == "3",
- "integral number should be serialized as a integer");
-
+ "integral number should be serialized as a integer");
+
{
- const char* s = "{ \"a\": [1,2], \"d\": 2 }";
- picojson::null_parse_context ctx;
- string err;
- picojson::_parse(ctx, s, s + strlen(s), &err);
- ok(err.empty(), "null_parse_context");
+ const char* s = "{ \"a\": [1,2], \"d\": 2 }";
+ picojson::null_parse_context ctx;
+ string err;
+ picojson::_parse(ctx, s, s + strlen(s), &err);
+ ok(err.empty(), "null_parse_context");
}
-
+
{
- picojson::value v1, v2;
- v1 = picojson::value(true);
- swap(v1, v2);
- ok(v1.is<picojson::null>(), "swap (null)");
- ok(v2.get<bool>() == true, "swap (bool)");
-
- v1 = picojson::value("a");
- v2 = picojson::value(1.0);
- swap(v1, v2);
- ok(v1.get<double>() == 1.0, "swap (dobule)");
- ok(v2.get<string>() == "a", "swap (string)");
-
- v1 = picojson::value(picojson::object());
- v2 = picojson::value(picojson::array());
- swap(v1, v2);
- ok(v1.is<picojson::array>(), "swap (array)");
- ok(v2.is<picojson::object>(), "swap (object)");
+ picojson::value v1, v2;
+ v1 = picojson::value(true);
+ swap(v1, v2);
+
ok(v1.is<picojson::null>(), "swap (null)");
+ ok(v2.get<bool>() == true, "swap (bool)");
+
+ v1 = picojson::value("a");
+ v2 = picojson::value(1.0);
+ swap(v1, v2);
+ ok(v1.get<double>() == 1.0, "swap (dobule)");
+ ok(v2.get<string>() == "a", "swap (string)");
+
+ v1 = picojson::value(picojson::object());
+ v2 = picojson::value(picojson::array());
+ swap(v1, v2);
+
ok(v1.is<picojson::array>(), "swap (array)");
+
ok(v2.is<picojson::object>(), "swap (object)");
}
-
+
return success ? 0 : 1;
}
projects / profile / ivi / automotive-message-broker.git / commitdiff