--- /dev/null
+/*
+ * 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
+ * EVENT SHALL CYBOZU LABS, INC. OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * 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.
+ *
+ */
+#ifndef picojson_h
+#define picojson_h
+
+#include <algorithm>
+#include <cassert>
+#include <cmath>
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <iostream>
+#include <iterator>
+#include <map>
+#include <string>
+#include <vector>
+
+#ifdef _MSC_VER
+ #define SNPRINTF _snprintf_s
+ #pragma warning(push)
+ #pragma warning(disable : 4244) // conversion from int to char
+#else
+ #define SNPRINTF snprintf
+#endif
+
+namespace picojson {
+
+ enum {
+ 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_;
+ };
+ protected:
+ 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;
+ private:
+ 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) {
+#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());
+#undef INIT
+ default: break;
+ }
+ }
+
+ inline value::value(bool b) : type_(boolean_type) {
+ u_.boolean_ = b;
+ }
+
+ inline value::value(double n) : type_(number_type) {
+ u_.number_ = n;
+ }
+
+ inline value::value(const std::string& s) : type_(string_type) {
+ u_.string_ = new std::string(s);
+ }
+
+ inline value::value(const array& a) : type_(array_type) {
+ u_.array_ = new array(a);
+ }
+
+ inline value::value(const object& o) : type_(object_type) {
+ u_.object_ = new object(o);
+ }
+
+ inline value::value(const char* s) : type_(string_type) {
+ u_.string_ = new std::string(s);
+ }
+
+ inline value::value(const char* s, size_t len) : type_(string_type) {
+ u_.string_ = new std::string(s, len);
+ }
+
+ inline value::~value() {
+ switch (type_) {
+#define DEINIT(p) case p##type: delete u_.p; break
+ DEINIT(string_);
+ DEINIT(array_);
+ DEINIT(object_);
+#undef DEINIT
+ default: break;
+ }
+ }
+
+ inline value::value(const value& x) : type_(x.type_) {
+ switch (type_) {
+#define INIT(p, v) case p##type: u_.p = v; break
+ INIT(string_, new std::string(*x.u_.string_));
+ INIT(array_, new array(*x.u_.array_));
+ INIT(object_, new object(*x.u_.object_));
+#undef INIT
+ default:
+ u_ = x.u_;
+ break;
+ }
+ }
+
+ inline value& value::operator=(const value& x) {
+ if (this != &x) {
+ this->~value();
+ new (this) value(x);
+ }
+ return *this;
+ }
+
+ inline void value::swap(value& x) {
+ std::swap(type_, x.type_);
+ std::swap(u_, x.u_);
+ }
+
+#define IS(ctype, jtype) \
+ template <> inline bool value::is<ctype>() const { \
+ return type_ == jtype##_type; \
+ }
+ IS(null, null)
+ IS(bool, boolean)
+ IS(int, number)
+ IS(double, number)
+ IS(std::string, string)
+ 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>()" \
+ && is<ctype>()); \
+ return var; \
+ } \
+ template <> inline ctype& value::get<ctype>() { \
+ assert("type mismatch! call is<type>() before get<type>()" \
+ && is<ctype>()); \
+ return var; \
+ }
+ GET(bool, u_.boolean_)
+ GET(double, u_.number_)
+ GET(std::string, *u_.string_)
+ 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;
+ }
+ }
+
+ 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;
+ }
+
+ 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;
+ }
+
+ inline bool value::contains(size_t idx) const {
+ assert(is<array>());
+ 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();
+ }
+
+ 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);
+#ifdef _MSC_VER
+ __assume(0);
+#endif
+ }
+ return std::string();
+ }
+
+ template <typename Iter> void copy(const std::string& s, Iter oi) {
+ std::copy(s.begin(), s.end(), oi);
+ }
+
+ template <typename Iter> void serialize_str(const std::string& s, Iter oi) {
+ *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('/', "\\/");
+ MAP('\b', "\\b");
+ MAP('\f', "\\f");
+ MAP('\n', "\\n");
+ MAP('\r', "\\r");
+ MAP('\t', "\\t");
+#undef MAP
+ default:
+ if ((unsigned char)*i < 0x20 || *i == 0x7f) {
+ char buf[7];
+ SNPRINTF(buf, sizeof(buf), "\\u%04x", *i & 0xff);
+ copy(buf, buf + 6, oi);
+ } else {
+ *oi++ = *i;
+ }
+ break;
+ }
+ }
+ *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) {
+ if (i != u_.array_->begin()) {
+ *oi++ = ',';
+ }
+ i->serialize(oi);
+ }
+ *oi++ = ']';
+ break;
+ }
+ case object_type: {
+ *oi++ = '{';
+ for (object::const_iterator i = u_.object_->begin();
+ i != u_.object_->end();
+ ++i) {
+ if (i != u_.object_->begin()) {
+ *oi++ = ',';
+ }
+ serialize_str(i->first, oi);
+ *oi++ = ':';
+ i->second.serialize(oi);
+ }
+ *oi++ = '}';
+ break;
+ }
+ default:
+ copy(to_str(), oi);
+ break;
+ }
+ }
+
+ inline std::string value::serialize() const {
+ 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_;
+ public:
+ 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_) {
+ last_ch_ = -1;
+ return -1;
+ }
+ if (last_ch_ == '\n') {
+ line_++;
+ }
+ 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) {
+ int ch = getc();
+ if (! (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r')) {
+ ungetc();
+ break;
+ }
+ }
+ }
+ bool expect(int expect) {
+ skip_ws();
+ if (getc() != expect) {
+ ungetc();
+ return false;
+ }
+ return true;
+ }
+ bool match(const std::string& pattern) {
+ for (std::string::const_iterator pi(pattern.begin());
+ pi != pattern.end();
+ ++pi) {
+ if (getc() != *pi) {
+ ungetc();
+ return false;
+ }
+ }
+ return true;
+ }
+ };
+
+ template<typename Iter> inline int _parse_quadhex(input<Iter> &in) {
+ int uni_ch = 0, hex;
+ for (int i = 0; i < 4; i++) {
+ if ((hex = in.getc()) == -1) {
+ return -1;
+ }
+ if ('0' <= hex && hex <= '9') {
+ hex -= '0';
+ } else if ('A' <= hex && hex <= 'F') {
+ hex -= 'A' - 0xa;
+ } else if ('a' <= hex && hex <= 'f') {
+ hex -= 'a' - 0xa;
+ } else {
+ in.ungetc();
+ return -1;
+ }
+ uni_ch = uni_ch * 16 + hex;
+ }
+ return uni_ch;
+ }
+
+ template<typename String, typename Iter> inline bool _parse_codepoint(String& out, input<Iter>& in) {
+ int uni_ch;
+ if ((uni_ch = _parse_quadhex(in)) == -1) {
+ return false;
+ }
+ if (0xd800 <= uni_ch && uni_ch <= 0xdfff) {
+ if (0xdc00 <= uni_ch) {
+ // a second 16-bit of a surrogate pair appeared
+ return false;
+ }
+ // first 16-bit of surrogate pair, get the next one
+ if (in.getc() != '\\' || in.getc() != 'u') {
+ in.ungetc();
+ return false;
+ }
+ int second = _parse_quadhex(in);
+ if (! (0xdc00 <= second && second <= 0xdfff)) {
+ return false;
+ }
+ uni_ch = ((uni_ch - 0xd800) << 10) | ((second - 0xdc00) & 0x3ff);
+ uni_ch += 0x10000;
+ }
+ if (uni_ch < 0x80) {
+ out.push_back(uni_ch);
+ } else {
+ if (uni_ch < 0x800) {
+ out.push_back(0xc0 | (uni_ch >> 6));
+ } else {
+ if (uni_ch < 0x10000) {
+ out.push_back(0xe0 | (uni_ch >> 12));
+ } else {
+ out.push_back(0xf0 | (uni_ch >> 18));
+ out.push_back(0x80 | ((uni_ch >> 12) & 0x3f));
+ }
+ out.push_back(0x80 | ((uni_ch >> 6) & 0x3f));
+ }
+ out.push_back(0x80 | (uni_ch & 0x3f));
+ }
+ return true;
+ }
+
+ template<typename String, typename Iter> inline bool _parse_string(String& out, input<Iter>& in) {
+ while (1) {
+ int ch = in.getc();
+ if (ch < ' ') {
+ in.ungetc();
+ return false;
+ } else if (ch == '"') {
+ return true;
+ } else if (ch == '\\') {
+ if ((ch = in.getc()) == -1) {
+ return false;
+ }
+ switch (ch) {
+#define MAP(sym, val) case sym: out.push_back(val); break
+ MAP('"', '\"');
+ MAP('\\', '\\');
+ MAP('/', '/');
+ MAP('b', '\b');
+ MAP('f', '\f');
+ MAP('n', '\n');
+ MAP('r', '\r');
+ MAP('t', '\t');
+#undef MAP
+ case 'u':
+ if (! _parse_codepoint(out, in)) {
+ return false;
+ }
+ break;
+ default:
+ return false;
+ }
+ } else {
+ out.push_back(ch);
+ }
+ }
+ return false;
+ }
+
+ template <typename Context, typename Iter> inline bool _parse_array(Context& ctx, input<Iter>& in) {
+ if (! ctx.parse_array_start()) {
+ return false;
+ }
+ 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(']');
+ }
+
+ template <typename Context, typename Iter> inline bool _parse_object(Context& ctx, input<Iter>& in) {
+ if (! ctx.parse_object_start()) {
+ return false;
+ }
+ if (in.expect('}')) {
+ return true;
+ }
+ do {
+ std::string key;
+ if (! in.expect('"')
+ || ! _parse_string(key, in)
+ || ! in.expect(':')) {
+ return false;
+ }
+ if (! ctx.parse_object_item(in, key)) {
+ return false;
+ }
+ } while (in.expect(','));
+ return in.expect('}');
+ }
+
+ template <typename Iter> inline 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 == '.'
+ || ch == 'e' || ch == 'E') {
+ num_str.push_back(ch);
+ } else {
+ in.ungetc();
+ break;
+ }
+ }
+ 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) {
+#define IS(ch, text, op) case ch: \
+ if (in.match(text) && op) { \
+ return true; \
+ } else { \
+ return false; \
+ }
+ IS('n', "ull", ctx.set_null());
+ IS('f', "alse", ctx.set_bool(false));
+ IS('t', "rue", ctx.set_bool(true));
+#undef IS
+ case '"':
+ return ctx.parse_string(in);
+ case '[':
+ return _parse_array(ctx, in);
+ case '{':
+ return _parse_object(ctx, in);
+ default:
+ if (('0' <= ch && ch <= '9') || ch == '-') {
+ in.ungetc();
+ double f;
+ if (_parse_number(f, in)) {
+ ctx.set_number(f);
+ return true;
+ } else {
+ 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;
+ }
+ };
+
+ class default_parse_context {
+ protected:
+ value* out_;
+ public:
+ default_parse_context(value* out) : out_(out) {}
+ bool set_null() {
+ *out_ = value();
+ return true;
+ }
+ bool set_bool(bool b) {
+ *out_ = value(b);
+ return true;
+ }
+ 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&);
+ };
+
+ class null_parse_context {
+ public:
+ struct dummy_str {
+ void push_back(int) {}
+ };
+ public:
+ null_parse_context() {}
+ bool set_null() { return true; }
+ bool set_bool(bool) { return true; }
+ 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&);
+ };
+
+ // obsolete, use the version below
+ template <typename Iter> inline std::string parse(value& out, Iter& pos, const Iter& last) {
+ std::string err;
+ pos = parse(out, pos, last, &err);
+ return err;
+ }
+
+ template <typename Context, typename Iter> inline Iter _parse(Context& ctx, const Iter& first, const Iter& last, std::string* err) {
+ input<Iter> in(first, last);
+ if (! _parse(ctx, in) && err != NULL) {
+ char buf[64];
+ SNPRINTF(buf, sizeof(buf), "syntax error at line %d near: ", in.line());
+ *err = buf;
+ while (1) {
+ int ch = in.getc();
+ if (ch == -1 || ch == '\n') {
+ break;
+ } else if (ch >= ' ') {
+ err->push_back(ch);
+ }
+ }
+ }
+ return in.cur();
+ }
+
+ template <typename Iter> inline Iter parse(value& out, const Iter& first, const Iter& last, std::string* err) {
+ default_parse_context ctx(&out);
+ return _parse(ctx, first, last, err);
+ }
+
+ inline std::string parse(value& out, std::istream& is) {
+ std::string err;
+ parse(out, std::istreambuf_iterator<char>(is.rdbuf()),
+ std::istreambuf_iterator<char>(), &err);
+ return err;
+ }
+
+ template <typename T> struct last_error_t {
+ static std::string s;
+ };
+ template <typename T> std::string last_error_t<T>::s;
+
+ inline void set_last_error(const std::string& s) {
+ last_error_t<bool>::s = s;
+ }
+
+ inline const std::string& get_last_error() {
+ return last_error_t<bool>::s;
+ }
+
+ inline bool operator==(const value& x, const value& y) {
+ if (x.is<null>())
+ return y.is<null>();
+#define PICOJSON_CMP(type) \
+ if (x.is<type>()) \
+ return y.is<type>() && x.get<type>() == y.get<type>()
+ PICOJSON_CMP(bool);
+ PICOJSON_CMP(double);
+ PICOJSON_CMP(std::string);
+ PICOJSON_CMP(array);
+ PICOJSON_CMP(object);
+#undef PICOJSON_CMP
+ assert(0);
+#ifdef _MSC_VER
+ __assume(0);
+#endif
+ return false;
+ }
+
+ inline bool operator!=(const value& x, const value& y) {
+ return ! (x == y);
+ }
+}
+
+namespace std {
+ template<> inline void swap(picojson::value& x, picojson::value& 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);
+ }
+ return is;
+}
+
+inline std::ostream& operator<<(std::ostream& os, const picojson::value& x)
+{
+ x.serialize(std::ostream_iterator<char>(os));
+ return os;
+}
+#ifdef _MSC_VER
+ #pragma warning(pop)
+#endif
+
+#endif
+#ifdef TEST_PICOJSON
+#ifdef _MSC_VER
+ #pragma warning(disable : 4127) // conditional expression is constant
+#endif
+
+using namespace std;
+
+static void plan(int num)
+{
+ printf("1..%d\n", num);
+}
+
+static bool success = true;
+
+static void ok(bool b, const char* name = "")
+{
+ static int n = 1;
+ if (! b)
+ 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);
+ } else {
+ ok(false, name);
+ }
+}
+
+#include <algorithm>
+#include <sstream>
+#include <float.h>
+#include <limits.h>
+
+int main(void)
+{
+ plan(85);
+
+ // constructors
+#define TEST(expr, expected) \
+ is(picojson::value expr .serialize(), string(expected), "picojson::value" #expr)
+
+ TEST( (true), "true");
+ TEST( (false), "false");
+ TEST( (42.0), "42");
+ TEST( (string("hello")), "\"hello\"");
+ TEST( ("hello"), "\"hello\"");
+ 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;
+ }
+ }
+
+#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"); \
+ } \
+ }
+ TEST("false", bool, false, true);
+ TEST("true", bool, true, true);
+ TEST("90.5", double, 90.5, false);
+ 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);
+ TEST("\"\\u0061\\u30af\\u30ea\\u30b9\"", string,
+ 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"); \
+ }
+ 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 = "{ \"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); \
+ } 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, \"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));
+ 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");
+
+ {
+ 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)");
+ }
+
+ return success ? 0 : 1;
+}
+
+#endif
--- /dev/null
+// Copyright 2015 Samsung Electronics Co, Ltd. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+#include "extension/widget/widget.h"
+
+#include <list>
+#include <memory>
+#include <map>
+#include <vector>
+
+#include "extension/xwalk/XW_Extension.h"
+#include "extension/xwalk/XW_Extension_EntryPoints.h"
+#include "extension/xwalk/XW_Extension_Permissions.h"
+#include "extension/xwalk/XW_Extension_Runtime.h"
+#include "extension/xwalk/XW_Extension_SyncMessage.h"
+
+#include "common/logger.h"
+#include "extension/widget/picojson.h"
+#include "common/app_db.h"
+#include "common/application_data.h"
+#include "common/string_utils.h"
+
+XW_Extension g_xw_extension = 0;
+std::string g_appid;
+std::unique_ptr<wrt::ApplicationData> g_appdata;
+const XW_CoreInterface* g_core = NULL;
+const XW_MessagingInterface* g_messaging = NULL;
+const XW_Internal_SyncMessagingInterface* g_sync_messaging = NULL;
+const XW_Internal_EntryPointsInterface* g_entry_points = NULL;
+const XW_Internal_RuntimeInterface* g_runtime = NULL;
+extern const char kSource_widget_api[];
+
+typedef void (*CmdHandler)(const picojson::value& args, picojson::object* out);
+
+static void InitHandler(const picojson::value& args, picojson::object* out);
+static void KeyHandler(const picojson::value& args, picojson::object* out);
+static void GetItemHandler(const picojson::value& args,
+ picojson::object* out);
+static void LengthHandler(const picojson::value& args,
+ picojson::object* out);
+static void ClearHandler(const picojson::value& args,
+ picojson::object* out);
+static void SetItemHandler(const picojson::value& args,
+ picojson::object* out);
+static void RemoveHandler(const picojson::value& args,
+ picojson::object* out);
+
+std::map<std::string, CmdHandler> g_handler = {
+ {"init", InitHandler},
+ {"key", KeyHandler},
+ {"length", LengthHandler},
+ {"clear", ClearHandler},
+ {"getItem", GetItemHandler},
+ {"setItem", SetItemHandler},
+ {"removeItem", RemoveHandler},
+};
+
+
+static void HandleMessage(XW_Instance instance,
+ const char* message,
+ bool sync);
+
+extern "C" int32_t XW_Initialize(XW_Extension extension,
+ XW_GetInterface get_interface) {
+ g_xw_extension = extension;
+ g_core = reinterpret_cast<const XW_CoreInterface*>(
+ get_interface(XW_CORE_INTERFACE));
+ if (!g_core) {
+ LOGGER(ERROR)
+ << "Can't initialize extension: error getting Core interface.";
+ return -1;
+ }
+
+ g_messaging = reinterpret_cast<const XW_MessagingInterface*>(
+ get_interface(XW_MESSAGING_INTERFACE));
+ if (!g_messaging) {
+ LOGGER(ERROR)
+ << "Can't initialize extension: error getting Messaging interface.";
+ return -1;
+ }
+
+ g_sync_messaging =
+ reinterpret_cast<const XW_Internal_SyncMessagingInterface*>(
+ get_interface(XW_INTERNAL_SYNC_MESSAGING_INTERFACE));
+ if (!g_sync_messaging) {
+ LOGGER(ERROR)
+ << "Can't initialize extension: "
+ << "error getting SyncMessaging interface.";
+ return -1;
+ }
+
+ g_entry_points = reinterpret_cast<const XW_Internal_EntryPointsInterface*>(
+ get_interface(XW_INTERNAL_ENTRY_POINTS_INTERFACE));
+ if (!g_entry_points) {
+ LOGGER(ERROR)
+ << "NOTE: Entry points interface not available in this version "
+ << "of Crosswalk, ignoring entry point data for extensions.\n";
+ return -1;
+ }
+
+ g_runtime = reinterpret_cast<const XW_Internal_RuntimeInterface*>(
+ get_interface(XW_INTERNAL_RUNTIME_INTERFACE));
+ if (!g_runtime) {
+ LOGGER(ERROR)
+ << "NOTE: runtime interface not available in this version "
+ << "of Crosswalk, ignoring runtime variables for extensions.\n";
+ return -1;
+ }
+
+ std::vector<char> res(256, 0);
+ g_runtime->GetRuntimeVariableString(extension, "app_id", &res[0], 256);
+ g_appid = std::string(res.begin(), res.end());
+ if (g_appid.at(0) == '"') {
+ g_appid = g_appid.substr(1, g_appid.size()-2);
+ }
+
+ g_core->RegisterInstanceCallbacks(
+ g_xw_extension,
+ [](XW_Instance instance){
+ if (g_appdata.get() == NULL) {
+ g_appdata.reset(new wrt::ApplicationData(g_appid));
+ }
+ wrt::Widget::GetInstance()->Initialize(g_appdata.get());
+ },
+ NULL);
+
+ g_messaging->Register(g_xw_extension, [](XW_Instance instance,
+ const char* message) {
+ HandleMessage(instance, message, false);
+ });
+ g_sync_messaging->Register(g_xw_extension, [](XW_Instance instance,
+ const char* message) {
+ HandleMessage(instance, message, true);
+ });
+
+ g_core->SetExtensionName(g_xw_extension, "Widget");
+ const char* entry_points[] = {"widget", NULL};
+ g_entry_points->SetExtraJSEntryPoints(g_xw_extension, entry_points);
+ g_core->SetJavaScriptAPI(g_xw_extension, kSource_widget_api);
+}
+
+static void InitHandler(const picojson::value& args, picojson::object* out) {
+ picojson::value result = picojson::value(picojson::object());
+ picojson::object& obj = result.get<picojson::object>();
+
+ auto widget_info = g_appdata->widget_info();
+ if (widget_info.get() == NULL) {
+ out->insert(std::make_pair("status", picojson::value("error")));
+ return;
+ }
+ out->insert(std::make_pair("status", picojson::value("success")));
+
+ // TODO(sngn.lee): should be returned localized string
+ obj["author"] = picojson::value(widget_info->author());
+ obj["description"] = picojson::value(widget_info->description());
+ obj["name"] = picojson::value(widget_info->name());
+ obj["shortName"] = picojson::value(widget_info->short_name());
+ obj["version"] = picojson::value(widget_info->version());
+ obj["id"] = picojson::value(widget_info->id());
+ obj["authorEmail"] = picojson::value(widget_info->author_email());
+ obj["authorHref"] = picojson::value(widget_info->author_href());
+ obj["height"] = picojson::value(static_cast<double>(widget_info->height()));
+ obj["width"] = picojson::value(static_cast<double>(widget_info->width()));
+
+ out->insert(std::make_pair("result", result));
+}
+
+static void KeyHandler(const picojson::value& args, picojson::object* out) {
+ int idx = static_cast<int>(args.get("idx").get<double>());
+ std::string key;
+ if (!wrt::Widget::GetInstance()->Key(idx, &key)) {
+ out->insert(std::make_pair("status", picojson::value("error")));
+ return;
+ }
+ out->insert(std::make_pair("status", picojson::value("success")));
+ out->insert(std::make_pair("result", picojson::value(key)));
+}
+
+static void GetItemHandler(const picojson::value& args,
+ picojson::object* out) {
+ const std::string& key = args.get("key").get<std::string>();
+ std::string value;
+ if (!wrt::Widget::GetInstance()->GetItem(key, &value)) {
+ out->insert(std::make_pair("status", picojson::value("error")));
+ return;
+ }
+ out->insert(std::make_pair("status", picojson::value("success")));
+ out->insert(std::make_pair("result", picojson::value(value)));
+}
+
+static void LengthHandler(const picojson::value& args,
+ picojson::object* out) {
+ int length = wrt::Widget::GetInstance()->Length();
+ out->insert(std::make_pair("status", picojson::value("success")));
+ out->insert(
+ std::make_pair("result", picojson::value(static_cast<double>(length))));
+}
+
+static void ClearHandler(const picojson::value& args,
+ picojson::object* out) {
+ wrt::Widget::GetInstance()->Clear();
+ out->insert(std::make_pair("status", picojson::value("success")));
+}
+
+static void SetItemHandler(const picojson::value& args,
+ picojson::object* out) {
+ const std::string& key = args.get("key").get<std::string>();
+ const std::string& value = args.get("value").get<std::string>();
+ std::string oldvalue;
+ if (wrt::Widget::GetInstance()->GetItem(key, &oldvalue)) {
+ out->insert(std::make_pair("result", picojson::value(oldvalue)));
+ } else {
+ out->insert(std::make_pair("result", picojson::value()));
+ }
+ wrt::Widget::GetInstance()->SetItem(key, value);
+ out->insert(std::make_pair("status", picojson::value("success")));
+}
+
+static void RemoveHandler(const picojson::value& args,
+ picojson::object* out) {
+ const std::string& key = args.get("key").get<std::string>();
+ std::string oldvalue;
+ if (wrt::Widget::GetInstance()->GetItem(key, &oldvalue)) {
+ out->insert(std::make_pair("result", picojson::value(oldvalue)));
+ } else {
+ out->insert(std::make_pair("result", picojson::value()));
+ }
+ wrt::Widget::GetInstance()->RemoveItem(key);
+ out->insert(std::make_pair("status", picojson::value("success")));
+}
+
+
+static void HandleMessage(XW_Instance instance,
+ const char* message,
+ bool sync) {
+ picojson::value value;
+ std::string err;
+ picojson::parse(value, message, message + strlen(message), &err);
+ if (!err.empty()) {
+ LOGGER(ERROR) << "Ignoring message. " << err;
+ return;
+ }
+
+ if (!value.is<picojson::object>()) {
+ LOGGER(ERROR) << "Ignoring message. It is not an object.";
+ return;
+ }
+
+ std::string cmd = value.get("cmd").to_str();
+ // check for args in JSON message
+ const picojson::value& args = value.get("args");
+ picojson::value result = picojson::value(picojson::object());
+
+ auto handler = g_handler.find(cmd);
+ if (handler != g_handler.end()) {
+ handler->second(args, &result.get<picojson::object>());
+ } else {
+ result.get<picojson::object>().insert(
+ std::make_pair("status", picojson::value("error")));
+ }
+
+ if (sync) {
+ g_sync_messaging->SetSyncReply(instance, result.serialize().c_str());
+ }
+}
+
+namespace wrt {
+
+namespace {
+ const char* kDbInitedCheckKey = "__WRT_DB_INITED__";
+ const char* kDBPublicSection = "public";
+ const char* kDBPrivateSection = "private";
+} // namespace
+
+
+Widget* Widget::GetInstance() {
+ static Widget instance;
+ return &instance;
+}
+
+Widget::Widget() {
+}
+Widget::~Widget() {
+}
+
+void Widget::Initialize(const ApplicationData* appdata) {
+ AppDB* db = AppDB::GetInstance();
+ if (db->HasKey(kDBPrivateSection, kDbInitedCheckKey))
+ return;
+ if (appdata->widget_info() == NULL)
+ return;
+
+ auto preferences = appdata->widget_info()->preferences();
+ auto it = preferences.begin();
+ for ( ; it != preferences.end(); ++it) {
+ db->Set(kDBPublicSection,
+ (*it)->Name(),
+ (*it)->Value());
+ }
+ db->Set(kDBPrivateSection, kDbInitedCheckKey, "true");
+}
+
+int Widget::Length() {
+ AppDB* db = AppDB::GetInstance();
+ int count = 0;
+ std::list<std::string> list;
+ db->GetKeys(kDBPublicSection, &list);
+ return list.size();
+}
+
+bool Widget::Key(int idx, std::string* key) {
+ AppDB* db = AppDB::GetInstance();
+ int count = 0;
+ std::list<std::string> list;
+ db->GetKeys(kDBPublicSection, &list);
+
+ auto it = list.begin();
+ for ( ; it != list.end() && idx >= 0; ++it) {
+ if (idx == 0) {
+ *key = *it;
+ return true;
+ }
+ idx--;
+ }
+ return false;
+}
+
+bool Widget::GetItem(const std::string& key, std::string* value) {
+ AppDB* db = AppDB::GetInstance();
+ if (!db->HasKey(kDBPublicSection, key))
+ return false;
+ *value = db->Get(kDBPublicSection, key);
+ return true;
+}
+
+bool Widget::SetItem(const std::string& key, const std::string& value) {
+ AppDB* db = AppDB::GetInstance();
+ db->Set(kDBPublicSection, key, value);
+ return true;
+}
+
+bool Widget::RemoveItem(const std::string& key) {
+ AppDB* db = AppDB::GetInstance();
+ if (!db->HasKey(kDBPublicSection, key))
+ return false;
+ db->Remove(kDBPublicSection, key);
+ return true;
+}
+
+void Widget::Clear() {
+ AppDB* db = AppDB::GetInstance();
+ std::list<std::string> list;
+ db->GetKeys(kDBPublicSection, &list);
+ auto it = list.begin();
+ for ( ; it != list.end(); ++it) {
+ db->Remove(kDBPublicSection, *it);
+ }
+}
+
+} // namespace wrt
projects / platform / framework / web / nwrt.git / commitdiff