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Added qse_str_amend()

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almost finished primitive url rewriting
This commit is contained in:
hyung-hwan
2014-08-08 18:53:04 +00:00
parent 0bb946c800
commit 1ba63f1829
9 changed files with 350 additions and 108 deletions
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36
qse/lib/cmn/str-dyn.h
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@ -153,7 +153,7 @@ qse_size_t str_setcapa (str_t* str, qse_size_t capa)
str->mmgr, QSE_SIZEOF(char_t)*(capa+1));
if (tmp == QSE_NULL) return (qse_size_t)-1;
if (str->val.ptr != QSE_NULL)
if (str->val.ptr)
{
qse_size_t ncopy = (str->val.len <= capa)? str->val.len: capa;
QSE_MEMCPY (tmp, str->val.ptr,
@ -185,7 +185,7 @@ qse_size_t str_setlen (str_t* str, qse_size_t len)
if (len < str->val.len)
{
str->val.len = len;
str->val.ptr[len] = T('\0');
str->val.ptr[len] = T('\0');
return len;
}
@ -203,7 +203,7 @@ qse_size_t str_setlen (str_t* str, qse_size_t len)
void str_clear (str_t* str)
{
str->val.len = 0;
if (str->val.ptr != QSE_NULL)
if (str->val.ptr)
{
QSE_ASSERT (str->capa >= 1);
str->val.ptr[0] = T('\0');
@ -385,7 +385,7 @@ qse_size_t str_nccat (str_t* str, char_t c, qse_size_t len)
qse_size_t str_del (str_t* str, qse_size_t index, qse_size_t size)
{
if (str->val.ptr != QSE_NULL && index < str->val.len && size > 0)
if (str->val.ptr && index < str->val.len && size > 0)
{
qse_size_t nidx = index + size;
if (nidx >= str->val.len)
@ -405,9 +405,33 @@ qse_size_t str_del (str_t* str, qse_size_t index, qse_size_t size)
return str->val.len;
}
qse_size_t str_amend (str_t* str, qse_size_t pos, qse_size_t len, const char_t* repl)
{
qse_size_t max_len;
qse_size_t repl_len = strlen(repl);
if (pos >= str->val.len) pos = str->val.len;
max_len = str->val.len - pos;
if (len > max_len) len = max_len;
if (len > repl_len)
{
str_del (str, pos, len - repl_len);
}
else if (len < repl_len)
{
qse_size_t old_str_len = str->val.len;
if (str_setlen (str, str->val.len + repl_len - len) == (qse_size_t)-1) return (qse_size_t)-1;
QSE_MEMMOVE (&str->val.ptr[pos + repl_len], &str->val.ptr[pos + len], QSE_SIZEOF(*repl) * (old_str_len - (pos + len)));
}
if (repl_len > 0) QSE_MEMMOVE (&str->val.ptr[pos], repl, QSE_SIZEOF(*repl) * repl_len);
return str->val.len;
}
qse_size_t str_trm (str_t* str)
{
if (str->val.ptr != QSE_NULL)
if (str->val.ptr)
{
str->val.len = strxtrm (str->val.ptr, str->val.len);
}
@ -417,7 +441,7 @@ qse_size_t str_trm (str_t* str)
qse_size_t str_pac (str_t* str)
{
if (str->val.ptr != QSE_NULL)
if (str->val.ptr)
{
str->val.len = strxpac (str->val.ptr, str->val.len);
}