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#include "first.h"
#include "array.h"
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
static data_unset *data_string_copy(const data_unset *s) {
data_string *src = (data_string *)s;
data_string *ds = data_string_init();
buffer_copy_buffer(ds->key, src->key);
buffer_copy_buffer(ds->value, src->value);
ds->is_index_key = src->is_index_key;
return (data_unset *)ds;
}
static void data_string_free(data_unset *d) {
data_string *ds = (data_string *)d;
buffer_free(ds->key);
buffer_free(ds->value);
free(d);
}
static void data_string_reset(data_unset *d) {
data_string *ds = (data_string *)d;
/* reused array elements */
buffer_reset(ds->key);
buffer_reset(ds->value);
}
static int data_string_insert_dup(data_unset *dst, data_unset *src) {
data_string *ds_dst = (data_string *)dst;
data_string *ds_src = (data_string *)src;
if (!buffer_is_empty(ds_dst->value)) {
buffer_append_string_len(ds_dst->value, CONST_STR_LEN(", "));
buffer_append_string_buffer(ds_dst->value, ds_src->value);
} else {
buffer_copy_buffer(ds_dst->value, ds_src->value);
}
src->fn->free(src);
return 0;
}
static void data_string_print(const data_unset *d, int depth) {
data_string *ds = (data_string *)d;
size_t i, len;
UNUSED(depth);
/* empty and uninitialized strings */
if (buffer_string_is_empty(ds->value)) {
fputs("\"\"", stdout);
return;
}
/* print out the string as is, except prepend " with backslash */
putc('"', stdout);
len = buffer_string_length(ds->value);
for (i = 0; i < len; i++) {
unsigned char c = ds->value->ptr[i];
if (c == '"') {
fputs("\\\"", stdout);
} else {
putc(c, stdout);
}
}
putc('"', stdout);
}
data_string *data_string_init(void) {
static const struct data_methods fn = {
data_string_reset,
data_string_copy,
data_string_free,
data_string_insert_dup,
data_string_print,
};
data_string *ds;
ds = calloc(1, sizeof(*ds));
force_assert(NULL != ds);
ds->key = buffer_init();
ds->value = buffer_init();
ds->type = TYPE_STRING;
ds->fn = &fn;
return ds;
}
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