76 lines
1.3 KiB
C++
76 lines
1.3 KiB
C++
/*
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* tabcompletion.cpp
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* Tab completion module
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* Copyright (c) 2026 Daniel Hammer
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*/
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#include <montauk/string.h>
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#include <montauk/syscall.h>
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#define RD_MAX 128
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/*
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Does the file path end with .elf?
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*/
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bool is_executable(const char* path) {
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size_t len = montauk::slen(path);
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if (path[len - 1] == 'f' &&
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path[len - 2] == 'l' &&
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path[len - 3] == 'e' &&
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path[len - 4] == '.')
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{
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return true;
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}
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return false;
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}
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/*
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i.e., "shell.elf" => "shell"
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*/
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const char* strip_elf_extension(const char* path) {
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size_t len = montauk::slen(path);
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char* p = (char* ) path;
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p[len - 4] = '\0';
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return (const char*)p;
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}
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int get_completions( // returns no. of results
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char* string, // String to match/complete
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char** array, // Array of strings containing completions
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int arrayMax
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) {
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const char* names[RD_MAX] = { };
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int n = montauk::readdir("0:/os", names, RD_MAX);
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int r = 0;
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for (int i = 0; i < n; i++) {
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/*
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Shift by 3 characters (names[i] + 3):
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"os/shell.elf" => "shell.elf"
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This is somewhat of a workaround.
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*/
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if (montauk::starts_with(names[i] + 3, (const char*)string)) {
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if (r > arrayMax)
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break;
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if (!is_executable(names[i]))
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continue;
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char* p = (char *)names[i] + 3;
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strip_elf_extension(p);
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array[r] = (char *)p;
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r++;
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}
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}
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return r;
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}
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