29     JSONWriter *writer = g_new(JSONWriter, 1);  in json_writer_new()  local
31     writer->pretty = pretty;  in json_writer_new()
32     writer->need_comma = false;  in json_writer_new()
33     writer->contents = g_string_new(NULL);  in json_writer_new()
34     writer->container_is_array = g_byte_array_new();  in json_writer_new()
35     return writer;  in json_writer_new()
38 const char *json_writer_get(JSONWriter *writer)  in json_writer_get()  argument
40     g_assert(!writer->container_is_array->len);  in json_writer_get()
41     return writer->contents->str;  in json_writer_get()
44 GString *json_writer_get_and_free(JSONWriter *writer)  in json_writer_get_and_free()  argument
46     GString *contents = writer->contents;  in json_writer_get_and_free()
48     writer->contents = NULL;  in json_writer_get_and_free()
49     g_byte_array_free(writer->container_is_array, true);  in json_writer_get_and_free()
50     g_free(writer);  in json_writer_get_and_free()
54 void json_writer_free(JSONWriter *writer)  in json_writer_free()  argument
56     if (writer) {  in json_writer_free()
57         g_string_free(json_writer_get_and_free(writer), true);  in json_writer_free()
61 static void enter_container(JSONWriter *writer, bool is_array)  in enter_container()  argument
63     unsigned depth = writer->container_is_array->len;  in enter_container()
65     g_byte_array_set_size(writer->container_is_array, depth + 1);  in enter_container()
66     writer->container_is_array->data[depth] = is_array;  in enter_container()
67     writer->need_comma = false;  in enter_container()
70 static void leave_container(JSONWriter *writer, bool is_array)  in leave_container()  argument
72     unsigned depth = writer->container_is_array->len;  in leave_container()
75     assert(writer->container_is_array->data[depth - 1] == is_array);  in leave_container()
76     g_byte_array_set_size(writer->container_is_array, depth - 1);  in leave_container()
77     writer->need_comma = true;  in leave_container()
80 static bool in_object(JSONWriter *writer)  in in_object()  argument
82     unsigned depth = writer->container_is_array->len;  in in_object()
84     return depth && !writer->container_is_array->data[depth - 1];  in in_object()
87 static void pretty_newline(JSONWriter *writer)  in pretty_newline()  argument
89     if (writer->pretty) {  in pretty_newline()
90         g_string_append_printf(writer->contents, "\n%*s",  in pretty_newline()
91                                writer->container_is_array->len * 4, "");  in pretty_newline()
95 static void pretty_newline_or_space(JSONWriter *writer)  in pretty_newline_or_space()  argument
97     if (writer->pretty) {  in pretty_newline_or_space()
98         g_string_append_printf(writer->contents, "\n%*s",  in pretty_newline_or_space()
99                                writer->container_is_array->len * 4, "");  in pretty_newline_or_space()
101         g_string_append_c(writer->contents, ' ');  in pretty_newline_or_space()
105 static void quoted_str(JSONWriter *writer, const char *str)  in quoted_str()  argument
111     g_string_append_c(writer->contents, '"');  in quoted_str()
117             g_string_append(writer->contents, "\\\"");  in quoted_str()
120             g_string_append(writer->contents, "\\\\");  in quoted_str()
123             g_string_append(writer->contents, "\\b");  in quoted_str()
126             g_string_append(writer->contents, "\\f");  in quoted_str()
129             g_string_append(writer->contents, "\\n");  in quoted_str()
132             g_string_append(writer->contents, "\\r");  in quoted_str()
135             g_string_append(writer->contents, "\\t");  in quoted_str()
143                 g_string_append_printf(writer->contents, "\\u%04X\\u%04X",  in quoted_str()
147                 g_string_append_printf(writer->contents, "\\u%04X", cp);  in quoted_str()
149                 g_string_append_c(writer->contents, cp);  in quoted_str()
154     g_string_append_c(writer->contents, '"');  in quoted_str()
157 static void maybe_comma_name(JSONWriter *writer, const char *name)  in maybe_comma_name()  argument
159     if (writer->need_comma) {  in maybe_comma_name()
160         g_string_append_c(writer->contents, ',');  in maybe_comma_name()
161         pretty_newline_or_space(writer);  in maybe_comma_name()
163         if (writer->contents->len) {  in maybe_comma_name()
164             pretty_newline(writer);  in maybe_comma_name()
166         writer->need_comma = true;  in maybe_comma_name()
169     if (in_object(writer)) {  in maybe_comma_name()
170         quoted_str(writer, name);  in maybe_comma_name()
171         g_string_append(writer->contents, ": ");  in maybe_comma_name()
175 void json_writer_start_object(JSONWriter *writer, const char *name)  in json_writer_start_object()  argument
177     maybe_comma_name(writer, name);  in json_writer_start_object()
178     g_string_append_c(writer->contents, '{');  in json_writer_start_object()
179     enter_container(writer, false);  in json_writer_start_object()
182 void json_writer_end_object(JSONWriter *writer)  in json_writer_end_object()  argument
184     leave_container(writer, false);  in json_writer_end_object()
185     pretty_newline(writer);  in json_writer_end_object()
186     g_string_append_c(writer->contents, '}');  in json_writer_end_object()
189 void json_writer_start_array(JSONWriter *writer, const char *name)  in json_writer_start_array()  argument
191     maybe_comma_name(writer, name);  in json_writer_start_array()
192     g_string_append_c(writer->contents, '[');  in json_writer_start_array()
193     enter_container(writer, true);  in json_writer_start_array()
196 void json_writer_end_array(JSONWriter *writer)  in json_writer_end_array()  argument
198     leave_container(writer, true);  in json_writer_end_array()
199     pretty_newline(writer);  in json_writer_end_array()
200     g_string_append_c(writer->contents, ']');  in json_writer_end_array()
203 void json_writer_bool(JSONWriter *writer, const char *name, bool val)  in json_writer_bool()  argument
205     maybe_comma_name(writer, name);  in json_writer_bool()
206     g_string_append(writer->contents, val ? "true" : "false");  in json_writer_bool()
209 void json_writer_null(JSONWriter *writer, const char *name)  in json_writer_null()  argument
211     maybe_comma_name(writer, name);  in json_writer_null()
212     g_string_append(writer->contents, "null");  in json_writer_null()
215 void json_writer_int64(JSONWriter *writer, const char *name, int64_t val)  in json_writer_int64()  argument
217     maybe_comma_name(writer, name);  in json_writer_int64()
218     g_string_append_printf(writer->contents, "%" PRId64, val);  in json_writer_int64()
221 void json_writer_uint64(JSONWriter *writer, const char *name, uint64_t val)  in json_writer_uint64()  argument
223     maybe_comma_name(writer, name);  in json_writer_uint64()
224     g_string_append_printf(writer->contents, "%" PRIu64, val);  in json_writer_uint64()
227 void json_writer_double(JSONWriter *writer, const char *name, double val)  in json_writer_double()  argument
229     maybe_comma_name(writer, name);  in json_writer_double()
240     g_string_append_printf(writer->contents, "%.17g", val);  in json_writer_double()
243 void json_writer_str(JSONWriter *writer, const char *name, const char *str)  in json_writer_str()  argument
245     maybe_comma_name(writer, name);  in json_writer_str()
246     quoted_str(writer, str);  in json_writer_str()