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srohtml
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2
README
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@ -4,7 +4,7 @@ the suckless philosophy [2].
The idea of updating a website with a roff-like syntax comes from my
preference for the groff typesetting system, obviously, and because my
texts are written without discarding the possibility of a hard copy.
texts are written without discarding the possibility of an hard copy.
With the right macro package you could ask groff to make a PDF out of my
web page sources.

219
srohtml.c
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@ -1,3 +1,4 @@
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -6,7 +7,6 @@
/* macros */
#define BODY_START_SIZE 26624 /* 26 x 1024 byte = 26 KiB */
#define CLS_MAX 16
#define DATE_FORMAT "%d/%m/%Y"
#define DATE_LEN 10
#define FAVICON "data:image/gif;base64,R0lGODlhEAAQAKEAAAAAcP///wAAcAAAcCH5BAEKAAIALAAAAAAQABAAQAIwlBWZxxwAQWjtTQRvlZhTnGSfYT3eZ3WaE4mjGa1UasoH7c6tzYanfqmhJMKXglcAADs="
#define FIGCAPTION_TAG_LEN 12
@ -17,7 +17,6 @@
#define LINE_START 80
#define NOTES_START 8
#define NOTES_MAX_DIGITS 3
#define TIME_FORMAT "%H:%M"
typedef struct {
void *data;
@ -90,7 +89,9 @@ static void footer(void);
static void footnotes(void);
static int fputs_html(const char *str, FILE *f, const html_val_type t);
static size_t fread_line(FILE *file, char **str, size_t *len);
static void free_arrays(void);
static void indent_str(char **str, const int ind);
static void init_arrays(void);
static void nav_index(FILE *f);
static void outputs(FILE *out);
static void page_head(void);
@ -176,17 +177,6 @@ array_at(array *a, const size_t i)
return (char *) a->data + i * a->unit_size;
}
void
array_init(array *a, const size_t size, size_t num)
{
num = num == 0 ? 1 : num;
a->data = safe_malloc(size * num);
a->length = 0;
a->size = num;
a->unit_size = size;
}
void *
array_pop(array *a)
{
@ -209,54 +199,6 @@ array_push(array *a)
return (char *) a->data + a->length++ * a->unit_size;
}
char *
array_strcat(array *dst, const char *src)
{
char *c;
size_t i, len;
len = strlen(src);
for (i = 0; i < len; i++) {
c = array_push(dst);
*c = src[i];
}
c = array_push(dst);
*c = '\0';
dst->length--;
return dst->data;
}
char *
array_strcat_html(array *dst, const char *src, const html_val_type t)
{
char *c;
size_t i, len;
len = strlen(src);
for (i = 0; i < len; i++) {
if (t == tag_attribute && src[i] == '"')
array_strcat(dst, "&quot;");
else if (src[i] == '&')
array_strcat(dst, "&amp;");
else if (src[i] == '<')
array_strcat(dst, "&lt;");
else if (src[i] == '>')
array_strcat(dst, "&gt;");
else {
c = array_push(dst);
*c = src[i];
}
}
c = array_push(dst);
*c = '\0';
dst->length--;
return dst->data;
}
void
cmd(char *line)
{
@ -922,14 +864,15 @@ footer(void)
{
size_t max;
struct tm *now;
char str[22];
char str[16];
time_t s;
int tm_mday, tm_mon, tm_year;
struct tm tm_pd = { 0 };
max = 22;
max = 16;
array_strcat(&body, "\t\t<footer>\n");
setlocale(LC_ALL, "");
if (publication_date != NULL) {
array_strcat(&body, "\t\t\t<p>Pubblicazione: <time datetime=\"");
@ -940,7 +883,7 @@ footer(void)
tm_pd.tm_mday = tm_mday;
tm_pd.tm_mon = --tm_mon;
tm_pd.tm_year = tm_year - 1900;
strftime(str, max, DATE_FORMAT, &tm_pd);
strftime(str, max, "%x", &tm_pd);
array_strcat(&body, str);
array_strcat(&body, "</time></p>\n");
@ -951,11 +894,21 @@ footer(void)
now = localtime(&s);
array_strcat(&body, "\t\t\t<p>Revisione: <time datetime=\"");
strftime(str, max, "%Y-%m-%dT%H:%M%z", now);
strftime(str, max, "%Y-%m-%d", now);
array_strcat(&body, str);
strftime(str, max, "%R", now);
array_strcat(&body, "T");
array_strcat(&body, str);
strftime(str, max, "%z", now);
array_strcat(&body, str);
array_strcat(&body, "\">");
strftime(str, max, DATE_FORMAT " " TIME_FORMAT, now);
strftime(str, max, "%x", now);
array_strcat_html(&body, str, tag_content);
strftime(str, max, " %R", now);
array_strcat_html(&body, str, tag_content);
array_strcat(&body, "</time></p>\n");
@ -1067,6 +1020,16 @@ fread_line(FILE *file, char **str, size_t *len)
return c == EOF ? EOF : i;
}
void
free_arrays(void)
{
free(head.data);
free(body.data);
free(figure_sizes.data);
free(index.data);
free(sitography.data);
}
void
indent_str(char **str, const int ind)
{
@ -1082,6 +1045,27 @@ indent_str(char **str, const int ind)
(*str)[ind] = '\0';
}
void
init_arrays(void)
{
array_init(&head, sizeof(char), BODY_START_SIZE / 4);
array_init(&body, sizeof(char), BODY_START_SIZE);
array_init(&figure_sizes, sizeof(img), FIGURE_SIZES_START);
array_init(&index, sizeof(index_title), INDEX_START);
array_init(&sitography, sizeof(note), NOTES_START);
}
void
array_init(array *a, const size_t size, size_t num)
{
num = num == 0 ? 1 : num;
a->data = safe_malloc(size * num);
a->length = 0;
a->size = num;
a->unit_size = size;
}
int
main (int argc, char *argv[])
{
@ -1122,9 +1106,6 @@ main(int argc, char *argv[])
srohtml(in, out);
fclose(in);
fclose(out);
return 0;
}
@ -1462,23 +1443,6 @@ page_head(void)
array_strcat(&head, "\t</head>\n");
}
void
pop_closure(array *a)
{
closure *tag;
if (a->length <= 0)
return;
tag = array_at(a, a->length - 1);
if (tag == NULL) {
fprintf(stderr, BIN ": Can't find tag closure at position %i, in array type.\n", a->length - 1);
exit(1);
}
free(tag->name);
array_pop(a);
}
void
print_help(void)
{
@ -1550,9 +1514,23 @@ read_and_process(FILE *in)
line = NULL;
}
free(line);
}
if (strcmp(tag_closure, ""))
cmd_close();
void
pop_closure(array *a)
{
closure *tag;
if (a->length <= 0)
return;
tag = array_at(a, a->length - 1);
if (tag == NULL) {
fprintf(stderr, BIN ": Can't find tag closure at position %i, in array type.\n", a->length - 1);
exit(1);
}
free(tag->name);
array_pop(a);
}
void *
@ -1586,26 +1564,23 @@ safe_realloc(void *ptr, const size_t size)
void
srohtml(FILE *in, FILE *out)
{
array_init(&head, sizeof(char), BODY_START_SIZE / 4);
array_init(&body, sizeof(char), BODY_START_SIZE);
array_init(&figure_sizes, sizeof(img), FIGURE_SIZES_START);
array_init(&index, sizeof(index_title), INDEX_START);
array_init(&sitography, sizeof(note), NOTES_START);
init_arrays();
array_strcat(&body, "\t<body>\n");
read_and_process(in);
fclose(in);
if (strcmp(tag_closure, ""))
cmd_close();
page_head();
footnotes();
footer();
array_strcat(&body, "\t</body>\n</html>\n");
outputs(out);
fclose(out);
free(head.data);
free(body.data);
free(figure_sizes.data);
free(index.data);
free(sitography.data);
free_arrays();
}
size_t
@ -1640,3 +1615,51 @@ stread_param(const char *src, char **str)
return len + p;
}
char *
array_strcat(array *dst, const char *src)
{
char *c;
size_t i, len;
len = strlen(src);
for (i = 0; i < len; i++) {
c = array_push(dst);
*c = src[i];
}
c = array_push(dst);
*c = '\0';
dst->length--;
return dst->data;
}
char *
array_strcat_html(array *dst, const char *src, const html_val_type t)
{
char *c;
size_t i, len;
len = strlen(src);
for (i = 0; i < len; i++) {
if (t == tag_attribute && src[i] == '"')
array_strcat(dst, "&quot;");
else if (src[i] == '&')
array_strcat(dst, "&amp;");
else if (src[i] == '<')
array_strcat(dst, "&lt;");
else if (src[i] == '>')
array_strcat(dst, "&gt;");
else {
c = array_push(dst);
*c = src[i];
}
}
c = array_push(dst);
*c = '\0';
dst->length--;
return dst->data;
}