int SimpleStringTokens( SimpStringPtr str,
char split,
SimpStringPtr *tokens,
int *tokensize)
{
if ( str->Str == NULL || str->Len == 0 ) {
*tokens = NULL;
*tokensize = 0;
return FUNC_RETURN_OK;
}
*tokensize = 1;
for( int i = 0 ; i < str->Len ; ++i ) {
if ( str->Str[i] == split ) {
(*tokensize)++;
}
}
*tokens = rm_palloc0(str->Context, sizeof(SimpString) * (*tokensize));
char *prevp = str->Str;
char *p = str->Str;
for ( int i = 0 ; i < *tokensize ; ++i ) {
while( *p != split && *p != '\0' )
p++;
initSimpleString(&((*tokens)[i]), str->Context);
setSimpleStringWithContent(&((*tokens)[i]), prevp, p-prevp);
p++;
prevp = p;
}
return FUNC_RETURN_OK;
}
void SimpleStringCopy(SimpStringPtr str, SimpStringPtr source)
{
Assert( source != NULL );
Assert( str != NULL );
setSimpleStringWithContent(str, source->Str, source->Len);
}
void initSimpleStringWithContent( SimpStringPtr str,
MCTYPE context,
char *content,
int length)
{
Assert( str != NULL );
str->Context = context;
setSimpleStringWithContent( str, content, length);
}
int SimpleStringSubstring( SimpStringPtr str,
int start,
int end,
SimpStringPtr target)
{
Assert( str != NULL );
Assert( target != NULL );
/* If end == -1, the substring ends till the end of source string. */
Assert( start >= 0 && ((end > 0 && end > start) || (end == -1)));
int newlen = end == -1 ? str->Len-start : end-start;
/* Check and alloc target string space. */
setSimpleStringWithContent( target,
str->Str+start,
newlen);
return newlen;
}
void SimpleStringReplaceFirst(SimpStringPtr str, char *oldstr, char *newstr)
{
char *pos = strstr(str->Str, oldstr);
/* If the old string does not exist, no need to do any update. */
if ( pos == NULL )
return;
SelfMaintainBufferData smb;
initializeSelfMaintainBuffer(&smb, str->Context);
if ( str->Str != pos ) {
appendSelfMaintainBuffer(&smb, str->Str, pos - str->Str);
}
int oldstrlen = strlen(oldstr);
appendSelfMaintainBuffer(&smb, newstr, strlen(newstr));
if ( oldstrlen + (pos - str->Str) < str->Len ) {
appendSMBStr(&smb, pos + oldstrlen);
}
setSimpleStringWithContent(str, smb.Buffer, getSMBContentSize(&smb));
destroySelfMaintainBuffer(&smb);
}
