1 /**************************************************************************
3 * Copyright 2011 Jose Fonseca
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 **************************************************************************/
27 * Trace writing functions.
52 for (int i = 0; i < level; ++i)
56 void separator(void) {
76 void escapeAsciiString(const char *str) {
79 const unsigned char *src = (const unsigned char *)str;
81 while ((c = *src++)) {
85 os << '\\' << (unsigned char)c;
86 } else if ((c >= 0x20 && c <= 0x7e) ||
90 // pass-through character
91 os << (unsigned char)c;
101 void escapeUnicodeString(const char *str) {
104 const char *locale = setlocale(LC_CTYPE, "");
105 const char *src = str;
108 memset(&state, 0, sizeof state);
111 // Convert characters one at a time in order to recover from
114 size_t written = mbsrtowcs(&c, &src, 1, &state);
118 } if (written == (size_t)-1) {
119 // conversion error -- skip
123 } while (*src & 0x80);
124 } else if ((c == '\"') ||
127 os << '\\' << (unsigned char)c;
128 } else if ((c >= 0x20 && c <= 0x7e) ||
132 // pass-through character
133 os << (unsigned char)c;
136 os << "\\u" << std::setfill('0') << std::hex << std::setw(4) << (unsigned)c;
141 setlocale(LC_CTYPE, locale);
147 JSONWriter(std::ostream &_os) :
161 inline void beginObject() {
168 inline void endObject() {
177 inline void beginMember(const char * name) {
181 escapeAsciiString(name);
186 inline void endMember(void) {
192 inline void beginArray() {
200 inline void endArray(void) {
210 inline void writeString(const char *s) {
212 escapeUnicodeString(s);
217 inline void writeNull(void) {
224 inline void writeBool(bool b) {
226 os << (b ? "true" : "false");
232 void writeNumber(T n) {
240 #endif /* _JSON_HPP_ */