9 typedef int (*dump_func)(const char *buffer, int size, void *data);
11 static int dump_to_file(const char *buffer, int size, void *data)
13 FILE *dest = (FILE *)data;
14 if(fwrite(buffer, size, 1, dest) != 1)
19 static int dump_to_fd(const char *buffer, int size, void *data)
21 int *fd = (int *)data;
22 if(write(*fd, buffer, size) != size)
27 static int dump_indent(uint32_t flags, int depth, dump_func dump, void *data)
29 if(JSON_INDENT(flags) > 0)
32 int ws_count = JSON_INDENT(flags) * depth;
34 if(dump("\n", 1, data))
40 ws_buffer = alloca(ws_count);
41 memset(ws_buffer, ' ', ws_count);
42 return dump(ws_buffer, ws_count, data);
45 return dump(" ", 1, data);
48 static int dump_string(const char *str, dump_func dump, void *data)
52 if(dump("\"", 1, data))
58 while(*end && *end != '\\' && *end != '"')
62 if(dump(str, end - str, data))
67 if(dump("\\\\", 2, data))
73 if(dump("\\\"", 2, data))
80 return dump("\"", 1, data);
83 static int do_dump(const json_t *json, uint32_t flags, int depth,
84 dump_func dump, void *data)
86 switch(json_typeof(json)) {
88 return dump("null", 4, data);
91 return dump("true", 4, data);
94 return dump("false", 5, data);
101 size = asprintf(&buffer, "%.17f", json_number_value(json));
105 ret = dump(buffer, size, data);
111 return dump_string(json_string_value(json), dump, data);
116 int n = json_array_size(json);
118 if(dump("[", 1, data))
122 if(dump_indent(flags, depth + 1, dump, data))
125 for(i = 0; i < n; ++i) {
126 if(do_dump(json_array_get(json, i), flags, depth + 1,
132 if(dump(",", 1, data) ||
133 dump_indent(flags, depth + 1, dump, data))
138 if(dump_indent(flags, depth, dump, data))
142 return dump("]", 1, data);
147 void *iter = json_object_iter((json_t *)json);
149 if(dump("{", 1, data))
152 return dump("}", 1, data);
153 if(dump_indent(flags, depth + 1, dump, data))
158 void *next = json_object_iter_next((json_t *)json, iter);
160 dump_string(json_object_iter_key(iter), dump, data);
161 if(dump(": ", 2, data) ||
162 do_dump(json_object_iter_value(iter), flags, depth + 1,
168 if(dump(",", 1, data) ||
169 dump_indent(flags, depth + 1, dump, data))
174 if(dump_indent(flags, depth, dump, data))
180 return dump("}", 1, data);
190 int json_dumpf(const json_t *json, FILE *output, uint32_t flags)
192 if(do_dump(json, flags, 0, dump_to_file, (void *)output))
194 return dump_to_file("\n", 1, (void *)output);
197 int json_dumpfd(const json_t *json, int fd, uint32_t flags)
199 if(do_dump(json, flags, 0, dump_to_fd, (void *)&fd))
201 return dump_to_fd("\n", 1, (void *)&fd);