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#include <gu/type.h>
#include <gu/out.h>
#include <gu/seq.h>
#include <gu/map.h>
#include <gu/string.h>
#include <gu/utf8.h>
#include <gu/assert.h>
#include <stdlib.h>
#include <malloc.h>
struct GuStringBuf {
GuBuf* buf;
GuOut* out;
};
GuStringBuf*
gu_string_buf(GuPool* pool)
{
GuStringBuf* sbuf = gu_new(GuStringBuf, pool);
sbuf->buf = gu_new_buf(char, pool);
sbuf->out = gu_buf_out(sbuf->buf, pool);
return sbuf;
}
GuOut*
gu_string_buf_out(GuStringBuf* sb)
{
return sb->out;
}
GuString
gu_string_buf_freeze(GuStringBuf* sb, GuPool* pool)
{
gu_out_flush(sb->out, NULL);
char* data = gu_buf_data(sb->buf);
size_t len = gu_buf_length(sb->buf);
char* p = gu_malloc_aligned(pool, len+1, 2);
memcpy(p, data, len);
p[len] = 0;
return p;
}
GuIn*
gu_string_in(GuString s, GuPool* pool)
{
return gu_data_in((uint8_t*) s, strlen(s), pool);
}
GuString
gu_string_copy(GuString string, GuPool* pool)
{
size_t len = strlen(string);
char* p = gu_malloc_aligned(pool, len+1, 2);
memcpy(p, string, len+1);
return p;
}
void
gu_string_write(GuString s, GuOut* out, GuExn* err)
{
gu_out_bytes(out, (uint8_t*) s, strlen(s), err);
}
GuString
gu_string_read(size_t len, GuPool* pool, GuIn* in, GuExn* err)
{
char* buf = alloca(len*6+1);
char* p = buf;
for (size_t i = 0; i < len; i++) {
gu_in_utf8_buf((uint8_t**) &p, in, err);
}
*p++ = 0;
p = gu_malloc_aligned(pool, p-buf, 2);
strcpy(p, buf);
return p;
}
GuString
gu_string_read_latin1(size_t len, GuPool* pool, GuIn* in, GuExn* err)
{
char* p = gu_malloc_aligned(pool, len+1, 2);
gu_in_bytes(in, (uint8_t*)p, len, err);
p[len] = 0;
return p;
}
GuString
gu_format_string_v(const char* fmt, va_list args, GuPool* pool)
{
GuPool* tmp_pool = gu_local_pool();
GuStringBuf* sb = gu_string_buf(tmp_pool);
GuOut* out = gu_string_buf_out(sb);
gu_vprintf(fmt, args, out, NULL);
gu_out_flush(out, NULL);
GuString s = gu_string_buf_freeze(sb, pool);
gu_pool_free(tmp_pool);
return s;
}
GuString
gu_format_string(GuPool* pool, const char* fmt, ...)
{
va_list args;
va_start(args, fmt);
GuString s = gu_format_string_v(fmt, args, pool);
va_end(args);
return s;
}
bool
gu_string_to_int(GuString s, int *res)
{
bool neg = false;
if (*s == '-') {
neg = true;
s++;
}
if (*s == 0)
return false;
int n = 0;
for (; *s; s++) {
if (*s < '0' || *s > '9')
return false;
n = n * 10 + (*s - '0');
}
*res = neg ? -n : n;
return true;
}
bool
gu_string_to_double(GuString s, double *res)
{
bool neg = false;
bool dec = false;
double exp = 1;
if (*s == '-') {
neg = true;
s++;
}
if (*s == 0)
return false;
double d = 0;
for (; *s; s++) {
if (*s == '.') {
if (dec) return false;
dec = true;
continue;
}
if (*s < '0' || *s > '9')
return false;
if (dec) exp = exp * 10;
d = d * 10 + (*s - '0');
}
*res = (neg ? -d : d) / exp;
return true;
}
bool
gu_string_is_prefix(GuString s1, GuString s2)
{
size_t len1 = strlen(s1);
size_t len2 = strlen(s2);
if (len1 > len2)
return false;
for (size_t len = len1; len > 0; len--) {
if (*s1 != *s2)
return false;
s1++;
s2++;
}
return true;
}
GuHash
gu_string_hash(GuHash h, GuString s)
{
return gu_hash_bytes(h, (uint8_t*)s, strlen(s));
}
static bool
gu_string_eq_fn(GuEquality* self, const void* p1, const void* p2)
{
(void) self;
return strcmp((GuString) p1, (GuString) p2) == 0;
}
GuEquality gu_string_equality[1] = { { gu_string_eq_fn } };
static int
gu_string_cmp_fn(GuOrder* self, const void* p1, const void* p2)
{
(void) self;
return strcmp((GuString) p1, (GuString) p2);
}
GuOrder gu_string_order[1] = { { gu_string_cmp_fn } };
static GuHash
gu_string_hasher_hash(GuHasher* self, const void* p)
{
(void) self;
return gu_string_hash(0, (GuString) p);
}
GuHasher gu_string_hasher[1] = {
{
.eq = { gu_string_eq_fn },
.hash = gu_string_hasher_hash
}
};
GU_DEFINE_KIND(GuString, pointer);
GU_DEFINE_KIND(GuStringMap, GuMap);
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