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Update for variant

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This commit is contained in:
Patrick Pelissier committed 2019-05-18 11:17:14 +02:00
1 parent dcf7a94728
commit 0997f59665
1 file changed
+20 -13
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m-serial-json.h
+20 -13
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@@ -123,20 +123,26 @@ m_serial_json_write_map_end(m_serial_write_t serial)
return n > 0 ? M_SERIAL_OK_DONE : M_SERIAL_FAIL;
}
static inline m_serial_return_code_t m_serial_json_write_tuple_start(m_serial_write_t serial){
static inline m_serial_return_code_t
m_serial_json_write_tuple_start(m_serial_write_t serial)
{
FILE *f = (FILE *)serial->data[0];
int n = fprintf(f, "{");
return n > 0 ? M_SERIAL_OK_CONTINUE : M_SERIAL_FAIL;
}
static inline m_serial_return_code_t m_serial_json_write_tuple_id(m_serial_write_t serial, const char *const field_name[], const int max, const int index){
(void) max;
static inline m_serial_return_code_t
m_serial_json_write_tuple_id(m_serial_write_t serial, const char *const field_name[], const int max, const int index)
{
(void) max; // Ignored
FILE *f = (FILE *)serial->data[0];
int n = fprintf(f, "%c\"%s\":", index == 0 ? ' ' : ',', field_name[index]);
return n > 0 ? M_SERIAL_OK_CONTINUE : M_SERIAL_FAIL;
}
static inline m_serial_return_code_t m_serial_json_write_tuple_end(m_serial_write_t serial){
static inline m_serial_return_code_t
m_serial_json_write_tuple_end(m_serial_write_t serial)
{
FILE *f = (FILE *)serial->data[0];
int n = fprintf(f, "}");
return n > 0 ? M_SERIAL_OK_DONE : M_SERIAL_FAIL;
@@ -344,17 +350,18 @@ static inline m_serial_return_code_t
m_serial_json_read_variant_start(m_serial_read_t serial, const char *const field_name[], const int max, int*id)
{
FILE *f = (FILE*) serial->data[0];
int c = m_serial_json_read_skip(f);
if (c == EOF) return M_SERIAL_FAIL;
if (c == '}') return M_SERIAL_OK_DONE;
// c should be \" but let fscanf parse it.
ungetc(c, f);
int final1 = -1, final2 = -1;
fscanf(f, " {%n }%n", &final1, &final2);
// Test how much the parsing succeed.
if (final1 <= 0) return M_SERIAL_FAIL;
if (final2 > 0) return M_SERIAL_OK_DONE;
/* Read the field in the JSON */
c = -1;
char field[M_MAX_IDENTIFIER_LENGTH+1];
fscanf(f, " \"%" M_APPLY(M_AS_STR, M_MAX_IDENTIFIER_LENGTH) "[^ \t\n\"]\":%n", field, &c);
if (c == -1)
return M_SERIAL_FAIL;
fscanf(f, " \"%" M_APPLY(M_AS_STR, M_MAX_IDENTIFIER_LENGTH) "[^ \t\n\"]\":%n", field, &final2);
if (final2 <= 0) return M_SERIAL_FAIL;
/* Search for field in field_name */
for(int n = 0; n < max; n++) {
if (strcmp(field, field_name[n]) == 0) {