From 749cdb81da654efad8e8b54c772f4c92b7330ed7 Mon Sep 17 00:00:00 2001
From: Aleksey Veresov <aleksey@veresov.pro>
Date: Fri, 28 Aug 2020 09:07:08 +0300
Subject: Refactored.

---
 main.c | 182 -----------------------------------------------------------------
 1 file changed, 182 deletions(-)
 delete mode 100644 main.c

(limited to 'main.c')

diff --git a/main.c b/main.c
deleted file mode 100644
index 3fe5475..0000000
--- a/main.c
+++ /dev/null
@@ -1,182 +0,0 @@
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-
-struct reus_list {
-    const char       *name;
-    const char       *data;
-    struct reus_list *list;
-    struct reus_list *next;
-};
-
-struct reus {
-    struct reus_list *variables;
-    char             *name;
-    char             *body;
-    int               opened;
-};
-
-typedef void *(*reus_state)(struct reus *r, char c);
-
-
-void reus_string_add(char **str, char c)
-{
-    int *header;
-    if (!*str) {
-        header    = malloc(9);
-        *str      = (char *) header + 8;
-        header[0] = 1;
-        header[1] = 0;
-        (*str)[0] = 0;
-    } else header = (int *)(*str - 8);
-    if (header[0] == ++header[1]) {
-        header = realloc(header, 8 + (header[0] <<= 1));
-        *str   = (char *) header + 8;
-    }
-    (*str)[header[1] - 1] = c;
-    (*str)[header[1]]     = 0;
-}
-
-
-struct reus_list *reus_list_new(const char       *name,
-                                const char       *data,
-                                struct reus_list *list,
-                                struct reus_list *next)
-{
-    struct reus_list *res = malloc(sizeof(*res));
-    res->name             = name;
-    res->data             = data;
-    res->list             = list;
-    res->next             = next;
-    return res;
-}
-
-struct reus_list *reus_list_union(struct reus_list *a, struct reus_list *b)
-{
-    if (!a) return b ? reus_list_union(b, 0) : 0;
-    return reus_list_new(a->name, a->data,
-                         reus_list_union(a->list, 0),
-                         reus_list_union(a->next, b));
-}
-
-struct reus_list *reus_list_get(struct reus_list *l, char *name)
-{
-    if (!l) return 0;
-    if (!strcmp(l->name, name)) return l;
-    return reus_list_get(l->next, name);
-}
-
-void reus_list_free(struct reus_list *l)
-{
-    if (l->list) reus_list_free(l->list);
-    if (l->next) reus_list_free(l->next);
-    free(l);
-}
-
-
-void reus_init(struct reus *r)
-{
-    r->variables = 0;
-    r->name      = 0;
-    r->body      = 0;
-    r->opened    = 0;
-}
-
-void reus_free(struct reus *r)
-{
-    if (r->variables) reus_list_free(r->variables);
-    if (r->name)      free(r->name - 8);
-    if (r->body)      free(r->body - 8);
-}
-
-
-void *reus_state_at(struct reus *r, char c);
-void *reus_state_subs(struct reus *r, char c);
-void *reus_state_text(struct reus *r, char c)
-{
-    if (c == '@') return reus_state_at;
-    if (c == '{') return reus_state_subs;
-    putchar(c);
-    return reus_state_text;
-}
-
-void *reus_state_subs(struct reus *r, char c)
-{
-    if (c == '}') {
-        struct reus_list *var = reus_list_get(r->variables, r->name);
-        if (var && var->data) {
-            printf("%s", var->data);
-        }
-        free(r->name - 8);
-        r->name = 0;
-        return reus_state_text;
-    }
-    reus_string_add(&r->name, c);
-    return reus_state_subs;
-}
-
-void reus_at(struct reus *r)
-{
-    struct reus_list *var = reus_list_get(r->variables, r->name);
-    for (var = var->list; var; var = var->next) {
-        char *c;
-        struct reus sr;
-        reus_state  s = reus_state_text;
-        reus_init(&sr);
-        sr.variables = reus_list_union(var->list, r->variables);
-        for (c = r->body; *c; ++c) {
-            s = s(&sr, *c);
-        }
-        reus_free(&sr);
-    }
-}
-void *reus_state_body(struct reus *r, char c);
-void *reus_state_at(struct reus *r, char c)
-{
-    if (c == '{') return reus_state_body;
-    reus_string_add(&r->name, c);
-    return reus_state_at;
-}
-
-void *reus_state_body(struct reus *r, char c)
-{
-    if (c == '{') ++r->opened;
-    if (c == '}' && !r->opened--) {
-        reus_at(r);
-        r->opened = 0;
-        free(r->name - 8);
-        r->name = 0;
-        free(r->body - 8);
-        r->body = 0;
-        return reus_state_text;
-    }
-    reus_string_add(&r->body, c);
-    return reus_state_body;
-}
-
-
-int main()
-{
-    int         c;
-    struct reus r;
-    reus_state  s = reus_state_text;
-    reus_init(&r);
-    r.variables =
-    reus_list_new("username", "aversey", 0,
-    reus_list_new("articles", 0,
-        reus_list_new(0, 0,
-            reus_list_new("title", "Smooth Sort", 0,
-            reus_list_new("author", "Edsger Dijkstra", 0, 0)),
-        reus_list_new(0, 0,
-            reus_list_new("title", "Your Own Site", 0,
-            reus_list_new("author", "Aleksey Veresov", 0, 0)),
-        reus_list_new(0, 0,
-            reus_list_new("title", "Bullshit", 0,
-            reus_list_new("author", "Ongo Gablogian", 0, 0)), 0))), 0));
-    while ((c = getchar()) != EOF) {
-        s = s(&r, c);
-    }
-    reus_free(&r);
-    return 0;
-}
-- 
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