Remove files now provided by slweb

1 files changed, 0 insertions, 301 deletions

diff --git a/html.c b/html.c
deleted file mode 100644
index 41ce387..0000000
--- a/html.c
+++ /dev/null
@@ -1,301 +0,0 @@
-#define _POSIX_C_SOURCE 200809L
-
-#include "html.h"
-#include <dynstr.h>
-#include <errno.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-struct html_node
-{
-    struct html_attribute
-    {
-        char *attr, *value;
-    } *attrs;
-
-    char *element, *value;
-    size_t n;
-    struct html_node *child, *sibling;
-};
-
-static char *html_encode(const char *s)
-{
-    struct dynstr d;
-
-    dynstr_init(&d);
-
-    if (!*s && dynstr_append(&d, ""))
-    {
-        fprintf(stderr, "%s: dynstr_append empty failed\n", __func__);
-        goto failure;
-    }
-
-    while (*s)
-    {
-        static const struct esc
-        {
-            char c;
-            const char *str;
-        } esc[] =
-        {
-            {.c = '<', .str = "&gt;"},
-            {.c = '>', .str = "&lt;"},
-            {.c = '&', .str = "&amp;"},
-            {.c = '\"', .str = "&quot;"},
-            {.c = '\'', .str = "&apos;"}
-        };
-
-        char buf[sizeof "a"] = {0};
-        const char *str = NULL;
-
-        for (size_t i = 0; i < sizeof esc / sizeof *esc; i++)
-        {
-            const struct esc *const e = &esc[i];
-
-            if (*s == e->c)
-            {
-                str = e->str;
-                break;
-            }
-        }
-
-        if (!str)
-        {
-            *buf = *s;
-            str = buf;
-        }
-
-        if (dynstr_append(&d, "%s", str))
-        {
-            fprintf(stderr, "%s: dynstr_append failed\n", __func__);
-            goto failure;
-        }
-
-        s++;
-    }
-
-    return d.str;
-
-failure:
-    dynstr_free(&d);
-    return NULL;
-}
-
-int html_node_set_value(struct html_node *const n, const char *const val)
-{
-    if (!(n->value = html_encode(val)))
-    {
-        fprintf(stderr, "%s: html_encode failed\n", __func__);
-        return -1;
-    }
-
-    return 0;
-}
-
-int html_node_set_value_unescaped(struct html_node *const n,
-    const char *const val)
-{
-    if (!(n->value = strdup(val)))
-    {
-        fprintf(stderr, "%s: strdup(3): %s\n", __func__, strerror(errno));
-        return -1;
-    }
-
-    return 0;
-}
-
-int html_node_add_attr(struct html_node *const n, const char *const attr,
-    const char *const val)
-{
-    const size_t el = n->n + 1;
-    struct html_attribute *const attrs = realloc(n->attrs,
-        el * sizeof *n->attrs), *a = NULL;
-
-    if (!attrs)
-    {
-        fprintf(stderr, "%s: realloc(3): %s\n", __func__, strerror(errno));
-        return -1;
-    }
-
-    a = &attrs[n->n];
-    *a = (const struct html_attribute){0};
-
-    if (!(a->attr = strdup(attr))
-        || (val && !(a->value = strdup(val))))
-    {
-        fprintf(stderr, "%s: strdup(3): %s\n", __func__, strerror(errno));
-        free(a->attr);
-        free(a->value);
-        return -1;
-    }
-
-    n->attrs = attrs;
-    n->n = el;
-    return 0;
-}
-
-void html_node_add_sibling(struct html_node *const n,
-    struct html_node *const sibling)
-{
-    for (struct html_node *c = n; c; c = c->sibling)
-        if (!c->sibling)
-        {
-            c->sibling = sibling;
-            break;
-        }
-}
-
-struct html_node *html_node_add_child(struct html_node *const n,
-    const char *const element)
-{
-    struct html_node *const child = html_node_alloc(element);
-
-    if (!child)
-        return NULL;
-    else if (n->child)
-        html_node_add_sibling(n->child, child);
-    else
-        n->child = child;
-
-    return child;
-}
-
-int serialize_node(struct dynstr *const d, const struct html_node *const n,
-    const unsigned level)
-{
-    for (unsigned i = 0; i < level; i++)
-        dynstr_append(d, "\t");
-
-    dynstr_append_or_ret_nonzero(d, "<%s", n->element);
-
-    if (n->n)
-        dynstr_append_or_ret_nonzero(d, " ");
-
-    for (size_t i = 0; i < n->n; i++)
-    {
-        const struct html_attribute *const a = &n->attrs[i];
-
-        if (a->value)
-            dynstr_append_or_ret_nonzero(d, "%s=\"%s\"", a->attr, a->value);
-        else
-            dynstr_append_or_ret_nonzero(d, "%s", a->attr);
-
-        if (i + 1 < n->n)
-            dynstr_append_or_ret_nonzero(d, " ");
-    }
-
-    if (!n->value && !n->child)
-        dynstr_append_or_ret_nonzero(d, "/>");
-    else
-    {
-        dynstr_append_or_ret_nonzero(d, ">");
-
-        if (n->value)
-            dynstr_append_or_ret_nonzero(d, "%s", n->value);
-
-        if (n->child)
-        {
-            dynstr_append_or_ret_nonzero(d, "\n");
-
-            if (serialize_node(d, n->child, level + 1))
-            {
-                fprintf(stderr, "%s: serialize_node failed\n", __func__);
-                return -1;
-            }
-
-            for (unsigned i = 0; i < level; i++)
-                dynstr_append(d, "\t");
-        }
-
-        dynstr_append_or_ret_nonzero(d, "</%s>", n->element);
-    }
-
-    /* TODO: print siblings */
-
-    dynstr_append_or_ret_nonzero(d, "\n");
-
-    if (n->sibling)
-        return serialize_node(d, n->sibling, level);
-
-    return 0;
-}
-
-int html_serialize(const struct html_node *const n, struct dynstr *const d)
-{
-    return serialize_node(d, n, 0);
-}
-
-static void html_attribute_free(struct html_attribute *const a)
-{
-    if (a)
-    {
-        free(a->attr);
-        free(a->value);
-    }
-}
-
-void html_node_free(struct html_node *const n)
-{
-    if (n)
-    {
-        struct html_node *s = n->sibling;
-
-        html_node_free(n->child);
-
-        while (s)
-        {
-            struct html_node *const next = s->sibling;
-
-            html_node_free(s->child);
-            free(s->element);
-            free(s->value);
-
-            for (size_t i = 0 ; i < s->n; i++)
-                html_attribute_free(&s->attrs[i]);
-
-            free(s->attrs);
-            free(s);
-            s = next;
-        }
-
-        free(n->element);
-        free(n->value);
-
-        for (size_t i = 0 ; i < n->n; i++)
-            html_attribute_free(&n->attrs[i]);
-
-        free(n->attrs);
-    }
-
-    free(n);
-}
-
-struct html_node *html_node_alloc(const char *const element)
-{
-    struct html_node *const n = malloc(sizeof *n);
-
-    if (!n)
-    {
-        fprintf(stderr, "%s: malloc(3): %s\n", __func__, strerror(errno));
-        goto failure;
-    }
-
-    *n = (const struct html_node)
-    {
-        .element = strdup(element)
-    };
-
-    if (!n->element)
-    {
-        fprintf(stderr, "%s: malloc(3): %s\n", __func__, strerror(errno));
-        goto failure;
-    }
-
-    return n;
-
-failure:
-    html_node_free(n);
-    return NULL;
-}