package main import "core:fmt" import "core:strings" import "core:mem" main :: proc () { alterations := [] [] string { { "o", "0" }, { "i", "1", "!", "|" }, { "l", "1", "7", "!", "|" }, { "s", "2", "5", "$" }, { "z", "2", "7" }, { "e", "3", "&" }, { "a", "4", "@" }, { "g", "6", "9" }, { "t", "7", "|" }, { "b", "8", "|3" }, { "p", "9", "|*" }, { "q", "9" }, { "f", "ph" }, { "h", "#" }, } for text in ([?] string { // "face", // "abc", // "def", "hello world", "offensive words", }) { g: Generator generator_init(&g, alterations) generator_expand(&g, text) generator_print(g) generator_destroy(&g) } } Generator :: struct { arena : mem.Dynamic_Arena, allocator : mem.Allocator, strings : [dynamic] string, alterations : [] [] string, } generator_init :: proc (g: ^Generator, alterations: [] [] string) { mem.dynamic_arena_init(&g.arena) g.allocator = mem.dynamic_arena_allocator(&g.arena) g.strings = make([dynamic] string, 0, 4000, g.allocator) g.alterations = alterations } generator_destroy :: proc (g: ^Generator) { mem.dynamic_arena_destroy(&g.arena) } generator_expand :: proc(g: ^Generator, s: string, index := 0) { if index >= len(s) { append(&g.strings, s) return } next_index := index + 1 current := s[index:next_index] generator_expand(g, s, next_index) for alt in g.alterations do if alt[0] == current { for rep in alt[1:] { parts := [?] string { s[:index], rep, s[next_index:] } next_s := strings.concatenate(parts[:], g.allocator) generator_expand(g, next_s, next_index) } break } } generator_print :: proc (g: Generator) { // assert(len(g.strings) > 0) // fmt.printfln("---- %q ---- %i ----", g.strings[0], len(g.strings)) for s in g.strings do fmt.println(s) }