Line data    Source code

       1             : // Internal Includes
       2             : #include "kirke/split_iterator.h"
       3             : #include "kirke/string.h"
       4             : 
       5           3 : void split_iterator__initialize( SplitIterator* iterator, const String* string_, const String* delimiter ){
       6           3 :     iterator->string = string_;
       7           3 :     iterator->delimiter = delimiter;
       8           3 :     iterator->position = 0;
       9           3 : }
      10             : 
      11           5 : bool split_iterator__next( SplitIterator* iterator, String* out_token ){
      12           5 :     if( iterator->position >= iterator->string->length ){
      13           1 :         return false;
      14             :     }
      15             : 
      16             :     /*
      17             :      * The do {} while( out_token->length == 0 ); prevents returning 0-length tokens, in case
      18             :      * one delimiter directly follows another.
      19             :      */
      20             :     do{
      21           4 :         split_iterator__rest( iterator, out_token );
      22             : 
      23           4 :         if( string__index_of( out_token, iterator->delimiter, &out_token->length ) ){
      24           3 :             iterator->position += out_token->length + iterator->delimiter->length;
      25             :         }
      26             :         else{
      27           1 :             iterator->position += out_token->length;
      28             :         }
      29           4 :     } while( out_token->length == 0 );
      30             : 
      31             : 
      32           4 :     return true;
      33             : }
      34             : 
      35           6 : void split_iterator__rest( SplitIterator* iterator, String* ref_rest ){
      36           6 :     *ref_rest = (String){
      37           6 :         .data = iterator->string->data + iterator->position,
      38           6 :         .length = iterator->string->length - iterator->position,
      39           6 :         .capacity = iterator->string->length - iterator->position,
      40             :         .element_size = sizeof( char )
      41             :     };
      42           6 : }