85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 03.01.2017
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*
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* Hot_Directory data structure for 4coder
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*
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*/
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// TOP
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internal void
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hot_directory_clean_end(Hot_Directory *hot_directory){
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String_Const_u8 str = hot_directory->string;
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if (!character_is_slash(string_get_character(str, str.size - 1))){
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hot_directory->string = string_remove_last_folder(str);
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}
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}
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internal i32
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hot_directory_quick_partition(File_Info **infos, i32 start, i32 pivot){
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File_Info **p = infos + pivot;
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File_Info **a = infos + start;
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for (i32 i = start; i < pivot; ++i, ++a){
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b32 p_folder = (HasFlag((**p).attributes.flags, FileAttribute_IsDirectory));
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b32 a_folder = (HasFlag((**a).attributes.flags, FileAttribute_IsDirectory));
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i32 comp = p_folder - a_folder;
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if (comp == 0){
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comp = string_compare((**a).file_name, (**p).file_name);
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}
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if (comp < 0){
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Swap(File_Info*, *a, infos[start]);
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++start;
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}
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}
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Swap(File_Info*, *p, infos[start]);
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return(start);
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}
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internal void
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hot_directory_quick_sort(File_Info **infos, i32 start, i32 pivot){
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i32 mid = hot_directory_quick_partition(infos, start, pivot);
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if (start < mid-1) hot_directory_quick_sort(infos, start, mid-1);
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if (mid+1 < pivot) hot_directory_quick_sort(infos, mid+1, pivot);
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}
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internal void
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hot_directory_fixup(Hot_Directory *hot_directory){
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File_List *files = &hot_directory->file_list;
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if (files->count >= 2){
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hot_directory_quick_sort(files->infos, 0, files->count - 1);
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}
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}
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internal void
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hot_directory_set(System_Functions *system, Hot_Directory *hot_directory, String_Const_u8 str){
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linalloc_clear(&hot_directory->arena);
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hot_directory->string = push_string_copy(&hot_directory->arena, str);
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hot_directory->canonical = system->get_canonical(&hot_directory->arena, str);
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hot_directory->file_list = system->get_file_list(&hot_directory->arena, hot_directory->canonical);
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}
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internal void
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hot_directory_reload(System_Functions *system, Arena *scratch, Hot_Directory *hot_directory){
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Temp_Memory temp = begin_temp(scratch);
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String_Const_u8 string = push_string_copy(scratch, hot_directory->string);
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hot_directory_set(system, hot_directory, string);
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end_temp(temp);
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}
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internal void
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hot_directory_init(System_Functions *system, Arena *scratch, Hot_Directory *hot_directory, String_Const_u8 directory){
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hot_directory->arena = make_arena_system(system);
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Temp_Memory temp = begin_temp(scratch);
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String_Const_u8 dir = directory;
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if (!character_is_slash(string_get_character(directory, directory.size - 1))){
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dir = push_u8_stringf(scratch, "%.*s/", string_expand(directory));
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}
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hot_directory_set(system, hot_directory, dir);
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end_temp(temp);
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}
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// BOTTOM
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