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.
51 for (int i = 0; i < level; ++i)
55 void separator(void) {
61 void escapeAsciiString(const char *str) {
64 const unsigned char *src = (const unsigned char *)str;
66 while ((c = *src++)) {
70 os << '\\' << (unsigned char)c;
71 } else if ((c >= 0x20 && c <= 0x7e) ||
75 // pass-through character
76 os << (unsigned char)c;
86 void escapeUnicodeString(const char *str) {
89 const char *locale = setlocale(LC_CTYPE, "");
90 const char *src = str;
93 memset(&state, 0, sizeof state);
96 // Convert characters one at a time in order to recover from
99 size_t written = mbsrtowcs(&c, &src, 1, &state);
103 } if (written == (size_t)-1) {
104 // conversion error -- skip
108 } while (*src & 0x80);
109 } else if ((c == '\"') ||
112 os << '\\' << (unsigned char)c;
113 } else if ((c >= 0x20 && c <= 0x7e) ||
117 // pass-through character
118 os << (unsigned char)c;
121 os << "\\u" << std::setfill('0') << std::hex << std::setw(4) << (unsigned)c;
126 setlocale(LC_CTYPE, locale);
132 JSONWriter(std::ostream &_os) :
145 inline void beginObject() {
152 inline void endObject() {
160 inline void beginMember(const char * name) {
163 escapeAsciiString(name);
168 inline void endMember(void) {
173 inline void beginArray() {
179 inline void endArray(void) {
184 inline void writeString(const char *s) {
186 escapeUnicodeString(s);
190 inline void writeNull(void) {
196 inline void writeBool(bool b) {
198 os << (b ? "true" : "false");
203 void writeNumber(T n) {
210 #endif /* _JSON_HPP_ */