106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
/************************************************************//**
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*
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* @file: platform_path.c
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* @author: Martin Fouilleul
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* @date: 24/05/2023
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*
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*****************************************************************/
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#include"platform_path.h"
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oc_str8 oc_path_slice_directory(oc_str8 fullPath)
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{
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i64 lastSlashIndex = -1;
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for(i64 i = fullPath.len-1; i >= 0; i--)
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{
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if(fullPath.ptr[i] == '/')
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{
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lastSlashIndex = i;
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break;
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}
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}
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oc_str8 directory = oc_str8_slice(fullPath, 0, lastSlashIndex+1);
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return(directory);
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}
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oc_str8 oc_path_slice_filename(oc_str8 fullPath)
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{
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i64 lastSlashIndex = -1;
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for(i64 i = fullPath.len-1; i >= 0; i--)
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{
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if(fullPath.ptr[i] == '/')
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{
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lastSlashIndex = i;
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break;
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}
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}
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oc_str8 basename = oc_str8_slice(fullPath, lastSlashIndex+1, fullPath.len);
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return(basename);
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}
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oc_str8_list oc_path_split(oc_arena* arena, oc_str8 path)
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{
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oc_arena_scope tmp = oc_scratch_begin_next(arena);
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oc_str8_list split = {0};
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oc_str8_list_push(tmp.arena, &split, OC_STR8("/"));
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oc_str8_list res = oc_str8_split(arena, path, split);
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oc_scratch_end(tmp);
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return(res);
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}
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oc_str8 oc_path_join(oc_arena* arena, oc_str8_list elements)
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{
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//TODO: check if elements have ending/begining '/' ?
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oc_str8 res = oc_str8_list_collate(arena, elements, OC_STR8("/"), OC_STR8("/"), (oc_str8){0});
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return(res);
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}
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oc_str8 oc_path_append(oc_arena* arena, oc_str8 parent, oc_str8 relPath)
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{
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oc_str8 result = {0};
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if(parent.len == 0)
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{
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result = oc_str8_push_copy(arena, relPath);
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}
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else if(relPath.len == 0)
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{
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result = oc_str8_push_copy(arena, parent);
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}
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else
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{
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oc_arena_scope tmp = oc_scratch_begin_next(arena);
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oc_str8_list list = {0};
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oc_str8_list_push(tmp.arena, &list, parent);
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if( (parent.ptr[parent.len-1] != '/')
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&&(relPath.ptr[relPath.len-1] != '/'))
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{
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oc_str8_list_push(tmp.arena, &list, OC_STR8("/"));
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}
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oc_str8_list_push(tmp.arena, &list, relPath);
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result = oc_str8_list_join(arena, list);
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oc_scratch_end(tmp);
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}
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return(result);
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}
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oc_str8 oc_path_executable_relative(oc_arena* arena, oc_str8 relPath)
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{
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oc_str8_list list = {0};
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oc_arena_scope scratch = oc_scratch_begin_next(arena);
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oc_str8 executablePath = oc_path_executable(scratch.arena);
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oc_str8 dirPath = oc_path_slice_directory(executablePath);
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oc_str8 path = oc_path_append(arena, dirPath, relPath);
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oc_scratch_end(scratch);
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return(path);
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}
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