8 typedef int (*dump_func)(const char *buffer, int size, void *data);
10 static int dump_to_file(const char *buffer, int size, void *data)
12 FILE *dest = (FILE *)data;
13 if(fwrite(buffer, size, 1, dest) != 1)
18 static int dump_indent(uint32_t flags, int depth, dump_func dump, void *data)
20 if(JSON_INDENT(flags) > 0)
23 int ws_count = JSON_INDENT(flags) * depth;
25 if(dump("\n", 1, data))
31 ws_buffer = alloca(ws_count);
32 memset(ws_buffer, ' ', ws_count);
33 return dump(ws_buffer, ws_count, data);
36 return dump(" ", 1, data);
39 static int dump_string(const char *str, dump_func dump, void *data)
43 if(dump("\"", 1, data))
49 while(*end && *end != '\\' && *end != '"')
53 if(dump(str, end - str, data))
58 if(dump("\\\\", 2, data))
64 if(dump("\\\"", 2, data))
71 return dump("\"", 1, data);
74 static int do_dump(const json_t *json, uint32_t flags, int depth,
75 dump_func dump, void *data)
77 switch(json_typeof(json)) {
79 return dump("null", 4, data);
82 return dump("true", 4, data);
85 return dump("false", 5, data);
92 size = asprintf(&buffer, "%.17f", json_number_value(json));
96 ret = dump(buffer, size, data);
102 return dump_string(json_string_value(json), dump, data);
107 int n = json_array_size(json);
109 if(dump("[", 1, data))
113 if(dump_indent(flags, depth + 1, dump, data))
116 for(i = 0; i < n; ++i) {
117 if(do_dump(json_array_get(json, i), flags, depth + 1,
123 if(dump(",", 1, data) ||
124 dump_indent(flags, depth + 1, dump, data))
129 if(dump_indent(flags, depth, dump, data))
133 return dump("]", 1, data);
138 void *iter = json_object_iter((json_t *)json);
140 if(dump("{", 1, data))
143 return dump("}", 1, data);
144 if(dump_indent(flags, depth + 1, dump, data))
149 void *next = json_object_iter_next((json_t *)json, iter);
151 dump_string(json_object_iter_key(iter), dump, data);
152 if(dump(": ", 2, data) ||
153 do_dump(json_object_iter_value(iter), flags, depth + 1,
159 if(dump(",", 1, data) ||
160 dump_indent(flags, depth + 1, dump, data))
165 if(dump_indent(flags, depth, dump, data))
171 return dump("}", 1, data);
181 int json_dumpf(const json_t *json, FILE *output, uint32_t flags)
183 if(do_dump(json, flags, 0, dump_to_file, (void *)output))
185 return dump_to_file("\n", 1, (void *)output);