autotests/folding/test.odin.fold

0001 // This is from Odin examples:
0002 // https://github.com/odin-lang/examples/blob/master/by_example/dir_info/main.odin
0003
0004 package main
0005
0006 import "core:fmt"
0007 import "core:os"
0008 import "core:path/filepath"
0009 import "core:strings"
0010
0011 print_file_info :: proc(fi: os.File_Info) <beginfold id='1'>{</beginfold id='1'>
0012     // Split the path into directory and filename
0013     _, filename := filepath.split(fi.fullpath)
0014
0015     SIZE_WIDTH :: 12
0016     buf: [SIZE_WIDTH]u8
0017
0018     // Print size to string backed by buf on stack, no need to free
0019     _size := "-" if fi.is_dir else fmt.bprintf(buf[:], "%v", fi.size)
0020
0021     // Right-justify size for display, heap allocated
0022     size  := strings.right_justify(_size, SIZE_WIDTH, " ")
0023     defer delete(size)
0024
0025     if fi.is_dir <beginfold id='1'>{</beginfold id='1'>
0026         fmt.printf("%v [%v]\n", size, filename)
0027     <endfold id='1'>}</endfold id='1'> else <beginfold id='1'>{</beginfold id='1'>
0028         fmt.printf("%v %v\n", size, filename)
0029     <endfold id='1'>}</endfold id='1'>
0030 <endfold id='1'>}</endfold id='1'>
0031
0032 main :: proc() <beginfold id='1'>{</beginfold id='1'>
0033     cwd := os.get_current_directory()
0034     fmt.println("Current working directory:", cwd)
0035
0036     f, err := os.open(cwd)
0037     defer os.close(f)
0038
0039     if err != os.ERROR_NONE <beginfold id='1'>{</beginfold id='1'>
0040         // Print error to stderr and exit with errorcode
0041         fmt.eprintln("Could not open directory for reading", err)
0042         os.exit(1)
0043     <endfold id='1'>}</endfold id='1'>
0044
0045     fis: []os.File_Info
0046     defer os.file_info_slice_delete(fis) // fis is a slice, we need to remember to free it
0047
0048     fis, err = os.read_dir(f, -1) // -1 reads all file infos
0049     if err != os.ERROR_NONE <beginfold id='1'>{</beginfold id='1'>
0050         fmt.eprintln("Could not read directory", err)
0051         os.exit(2)
0052     <endfold id='1'>}</endfold id='1'>
0053
0054     for fi in fis <beginfold id='1'>{</beginfold id='1'>
0055         print_file_info(fi)
0056     <endfold id='1'>}</endfold id='1'>
0057 <endfold id='1'>}</endfold id='1'>