59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
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/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 01.10.2019
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*
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* Search list helper.
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*
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*/
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// TOP
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function void
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search_list_add_path__inner(Arena *arena, Path_Search_List *list, String_Const_u8 path){
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string_list_push(arena, &list->list, path);
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list->max_member_length = max(list->max_member_length, path.size);
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}
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function void
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search_list_add_path(Arena *arena, Path_Search_List *list, String_Const_u8 path){
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search_list_add_path__inner(arena, list, push_string_copy(arena, path));
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}
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function void
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search_list_add_system_path(System_Functions *system, Arena *arena, Path_Search_List *list, System_Path_Code path){
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search_list_add_path__inner(arena, list, system->get_path(arena, path));
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}
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function String_Const_u8
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get_full_path(System_Functions *system, Arena *arena, Path_Search_List *search_list, String_Const_u8 relative){
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String_Const_u8 result = {};
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Temp_Memory restore_point = begin_temp(arena);
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umem buffer_cap = search_list->max_member_length + relative.size + 1;
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u8 *buffer = push_array(arena, u8, buffer_cap);
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u8 *opl = buffer + buffer_cap;
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u8 *relative_base = opl - 1 - relative.size;
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block_copy(relative_base, relative.str, relative.size);
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relative_base[relative.size] = 0;
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for (Node_String_Const_u8 *node = search_list->list.first;
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node != 0;
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node = node->next){
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umem node_size = node->string.size;
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u8 *path_base = relative_base - node_size;
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block_copy(path_base, node->string.str, node_size);
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String_Const_u8 name = SCu8(path_base, opl);
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File_Attributes attribs = system->quick_file_attributes(arena, name);
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if (attribs.size > 0){
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result = name;
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break;
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}
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}
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if (result.size == 0){
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end_temp(restore_point);
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}
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return(result);
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}
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// BOTTOM
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