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/* Copyright (c) 2013-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "array.h"
#include "str.h"
#include "strescape.h"
#include "dsync-serializer.h"
struct dsync_serializer {
pool_t pool;
const char *const *keys;
unsigned int keys_count;
};
struct dsync_serializer_encoder {
pool_t pool;
struct dsync_serializer *serializer;
ARRAY_TYPE(const_string) values;
};
struct dsync_serializer *dsync_serializer_init(const char *const keys[])
{
struct dsync_serializer *serializer;
pool_t pool;
const char **dup_keys;
unsigned int i, count;
pool = pool_alloconly_create("dsync serializer", 512);
serializer = p_new(pool, struct dsync_serializer, 1);
serializer->pool = pool;
count = str_array_length(keys);
dup_keys = p_new(pool, const char *, count + 1);
for (i = 0; i < count; i++)
dup_keys[i] = p_strdup(pool, keys[i]);
serializer->keys = dup_keys;
serializer->keys_count = count;
return serializer;
}
void dsync_serializer_deinit(struct dsync_serializer **_serializer)
{
struct dsync_serializer *serializer = *_serializer;
*_serializer = NULL;
pool_unref(&serializer->pool);
}
const char *
dsync_serializer_encode_header_line(struct dsync_serializer *serializer)
{
string_t *str = t_str_new(128);
unsigned int i;
for (i = 0; serializer->keys[i] != NULL; i++) {
if (i > 0)
str_append_c(str, '\t');
str_append_tabescaped(str, serializer->keys[i]);
}
str_append_c(str, '\n');
return str_c(str);
}
struct dsync_serializer_encoder *
dsync_serializer_encode_begin(struct dsync_serializer *serializer)
{
struct dsync_serializer_encoder *encoder;
pool_t pool = pool_alloconly_create("dsync serializer encode", 1024);
encoder = p_new(pool, struct dsync_serializer_encoder, 1);
encoder->pool = pool;
encoder->serializer = serializer;
p_array_init(&encoder->values, pool, serializer->keys_count);
return encoder;
}
void dsync_serializer_encode_add(struct dsync_serializer_encoder *encoder,
const char *key, const char *value)
{
unsigned int i;
for (i = 0; encoder->serializer->keys[i] != NULL; i++) {
if (strcmp(encoder->serializer->keys[i], key) == 0) {
value = p_strdup(encoder->pool, value);
array_idx_set(&encoder->values, i, &value);
return;
}
}
i_panic("Unknown key: %s", key);
}
void dsync_serializer_encode_finish(struct dsync_serializer_encoder **_encoder,
string_t *output)
{
struct dsync_serializer_encoder *encoder = *_encoder;
const char *const *values;
unsigned int i, count;
*_encoder = NULL;
values = array_get(&encoder->values, &count);
for (i = 0; i < count; i++) {
if (i > 0)
str_append_c(output, '\t');
if (values[i] == NULL)
str_append_c(output, NULL_CHR);
else {
if (values[i][0] == NULL_CHR)
str_append_c(output, NULL_CHR);
str_append_tabescaped(output, values[i]);
}
}
str_append_c(output, '\n');
pool_unref(&encoder->pool);
}
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