4coder/custom/4coder_search_list.cpp

74 lines
2.0 KiB
C++

/*
* Mr. 4th Dimention - Allen Webster
*
* 01.10.2019
*
* Search list helper.
*
*/
// TOP
////////////////////////////////
// NOTE(allen): Search List Builders
function void
def_search_list_add_path(Arena *arena, List_String_Const_u8 *list, String_Const_u8 path){
String_Const_u8 path_copy = push_string_copy(arena, path);
string_list_push(arena, list, path_copy);
}
function void
def_search_list_add_system_path(Arena *arena, List_String_Const_u8 *list, System_Path_Code path){
String_Const_u8 path_string = system_get_path(arena, path);
string_list_push(arena, list, path_string);
}
////////////////////////////////
// NOTE(allen): Search List Functions
function String_Const_u8
def_search_get_full_path(Arena *arena, List_String_Const_u8 *list, String_Const_u8 relative){
String_Const_u8 result = {};
Temp_Memory temp = begin_temp(arena);
u8 slash = '/';
for (Node_String_Const_u8 *node = list->first;
node != 0;
node = node->next){
String_Const_u8 full_name = {};
full_name.size = node->string.size + 1 + relative.size;
full_name.str = push_array(arena, u8, full_name.size + 1);
block_copy(full_name.str, node->string.str, node->string.size);
full_name.str[node->string.size] = slash;
block_copy(full_name.str + node->string.size + 1, relative.str, relative.size);
full_name.str[full_name.size] = 0;
File_Attributes attribs = system_quick_file_attributes(arena, full_name);
if (attribs.last_write_time > 0){
result = full_name;
break;
}
end_temp(temp);
}
return(result);
}
function FILE*
def_search_fopen(Arena *arena, List_String_Const_u8 *list, char *file_name, char *opt){
Temp_Memory_Block block(arena);
String_Const_u8 full_path = def_search_get_full_path(arena, list, SCu8(file_name));
FILE *file = 0;
if (full_path.size > 0){
file = fopen((char*)full_path.str, opt);
}
return(file);
}
// BOTTOM