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#include <stdio.h>
struct cudl_array_value {
struct cudl_value *values;
size_t length;
};
struct cudl_map_value {
struct cudl_map_field {
char *key;
struct cudl_value value;
} *fields;
size_t length;
};
struct cudl_value {
union {
char *string;
double number;
int boolean;
struct array_value array;
struct map_value map;
} data;
int tag;
};
#define CUDL_TAG_NULL 0
#define CUDL_TAG_ARRAY 1
#define CUDL_OK 0
#define CUDL_ERR_OUT_OF_MEMORY 1
#define CUDL_ERR_MISSING_VALUE 2
#define CUDL_ERR_READING 3
static char *fread_all(FILE *file) {
size_t size;
char *buffer;
fseek(file, 0, SEEK_END);
size = ftell(file);
rewind(file);
clearerr(file);
if ((buffer = malloc(size + 1)) == NULL)
return NULL;
if (fread(buffer, 1, size, file) != size) {
free(buffer);
return NULL;
}
buffer[size] = '\0';
return buffer;
}
void cudl_debug(struct cudl_value *value) {
}
/* Free all children of the value, not the value itself */
void cudl_deinit_value(struct cudl_value value) {
int i;
switch (value.tag) {
case CUDL_TAG_ARRAY:
for (i = 0; i < value.data.array.length; i++) {
cudl_deinit_value(value.data.array.values[i]);
}
free(value.data.array.values);
break;
case CUDL_TAG_NULL:
case default:
break;
}
}
int cudl_parse_from_file(FILE *file, struct cudl_value *value) {
char *input;
if ((input = fread_all(file)) == NULL) {
if (ferror(file))
return CUDL_ERR_READING;
else
return CUDL_ERR_OUT_OF_MEMORY;
}
return cudl_parse(input, value);
}
int cudl_parse(char *input, struct cudl_value *value) {
}
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