commit b411362557ae2620f52f731dc4293fd799007d4a
parent 5f1dd0fe63d3ebe71b2c6827c5213777362f0ed0
Author: Josuah Demangeon <mail@josuah.net>
Date: Sun, 11 Nov 2018 15:28:32 +0100
new generator in C along with its makefile
Diffstat:
3 files changed, 338 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,5 @@
# these files are ignored by git.
*.html
!/*.html
+build-page
test
diff --git a/Makefile b/Makefile
@@ -0,0 +1,8 @@
+CFLAGS = -Wall -Wextra -std=c99 -pedantic
+LDFLAGS = -static -s
+
+all: build-page
+ find * -type d -exec sh -ec './build-page "$$0" >$$0/index.html' {} \;
+
+build-page: build-page.c
+ $(CC) $(CFLAGFS) $(LDFLAGS) -o $@ build-page.c
diff --git a/build-page.c b/build-page.c
@@ -0,0 +1,329 @@
+#define _POSIX_C_SOURCE 200809L
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include <dirent.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define CONVERTER "smu"
+#define LEN(x) (sizeof(x) / sizeof *(x))
+#define TITLE_MAX 1024
+#define TITLE_DEFAULT "suckless.org"
+#define DIR_MAX 1024
+
+char *html_header =
+ "<!doctype html>\n"
+ "<html>\n"
+ "<head>\n"
+ " <meta charset=\"utf-8\">\n"
+ " <title>%s | suckless.org software that sucks less</title>\n"
+ " <link rel=\"stylesheet\" type=\"text/css\" href=\"//suckless.org/pub/style.css\">\n" \
+ "</head>\n"
+ "\n"
+ "<div id=\"header\">\n"
+ " <a href=\"//suckless.org/\"><img src=\"//suckless.org/logo.svg\"/></a>\n"
+ " <a id=\"headerLink\" href=\"//suckless.org/\">suckless.org</a>\n"
+ " <span id=\"headerSubtitle\">%s</span>\n"
+ "</div>\n";
+
+char *html_nav_bar =
+ "<span class=\"right\">\n"
+ " <a href=\"//dl.suckless.org\">download</a>\n"
+ " <a href=\"//git.suckless.org\">source</a>\n"
+ "</span>\n";
+
+char *html_footer = "<div id=\"footer\">\n"
+ "<span class=\"right\">\n"
+ "© 2006-2018 suckless.org community\n"
+ "| <a href=\"//ev.suckless.org/impressum\">Impressum</a>\n"
+ "| <a href=\"//ev.suckless.org\">e.V.</a>\n"
+ "</span>\n"
+ "</div>\n";
+
+char *domain_list[] = {
+ "home.suckless.org",
+ "dwm.suckless.org",
+ "st.suckless.org",
+ "core.suckless.org",
+ "surf.suckless.org",
+ "tools.suckless.org",
+ "libs.suckless.org",
+ NULL
+};
+
+void
+die_perror(char *msg, ...)
+{
+ va_list ap;
+ char *s;
+
+ va_start(ap, msg);
+ while ((s = va_arg(ap, char *)))
+ fputs(s, stdout);
+ fputs(": ", stdout);
+ perror(NULL);
+ exit(1);
+}
+
+void
+die(char *msg, ...)
+{
+ va_list ap;
+ char *s;
+
+ va_start(ap, msg);
+ while ((s = va_arg(ap, char *)))
+ fputs(s, stdout);
+ fputc('\n', stdout);
+ exit(1);
+}
+
+int
+stat_isdir(char *f)
+{
+ struct stat s;
+
+ if (stat(f, &s) == -1) {
+ perror(f);
+ return 0;
+ }
+ return (s.st_mode & S_IFMT) == S_IFDIR;
+}
+
+int
+stat_isfile(char *f)
+{
+ struct stat s;
+
+ if (stat(f, &s) == -1) {
+ perror(f);
+ return 0;
+ }
+ return (s.st_mode & S_IFMT) == S_IFREG;
+}
+
+int
+spawn_wait(char **argv)
+{
+ int status;
+
+ switch (fork()) {
+ case 0:
+ execvp(argv[0], argv);
+ exit(126);
+ case -1:
+ return -1;
+ }
+ if (wait(&status) == -1)
+ return -1;
+
+ return WIFEXITED(status) ? 0 : -1;
+}
+
+int
+oneline(char *value, size_t len, char const *path)
+{
+ char *r = 0;
+ FILE *fp;
+
+ if (!(fp = fopen(path, "r"))) return perror(path), -1;
+ r = fgets(value, len, fp);
+ fclose(fp);
+
+ return !!r;
+}
+
+int
+dirname(char *path)
+{
+ char *s;
+
+ if (!(s = strrchr(path, '/')))
+ return -1;
+ *s = '\0';
+ return 0;
+}
+
+void
+print_name(char *name)
+{
+ char *from = "_-", *to = " ", *s;
+
+ for (;*name; ++name) {
+ if ((s = strchr(from, *name)) != NULL)
+ putchar(to[s - from]);
+ else
+ putchar(*name);
+ }
+}
+
+void
+subdir(char *newdir, size_t len, char *base, char *add)
+{
+ *newdir = '\0';
+ if (base) {
+ strncat(newdir, base, len - 1); newdir[len - 1] = '\0';
+ strncat(newdir, "/", len - 1); newdir[len - 1] = '\0';
+ }
+ strncat(newdir, add, len - 1); newdir[len - 1] = '\0';
+}
+
+void
+print_header(char *domain, char *page)
+{
+ char title_file[PATH_MAX];
+ char title[TITLE_MAX];
+ (void)domain;
+
+ if (oneline(title, sizeof title, ".title") <= 0)
+ printf(html_header, TITLE_DEFAULT, TITLE_DEFAULT);
+ else
+ printf(html_header, title, title);
+}
+
+void
+print_nav_bar(char *domain, char *page)
+{
+ char name[1024];
+ char *s;
+ char **d;
+ (void)page;
+
+ puts("<div id=\"menu\">");
+ for (d = domain_list; *d; ++d) {
+ fputs("\t<a ", stdout);
+ if (strcmp(domain, *d) == 0)
+ fputs("class=\"thisSite\" ", stdout);
+
+ printf("href=\"//%s\">", *d);
+ strncpy(name, *d, sizeof name - 1); name[sizeof name - 1] = '\0';
+ if ((s = strchr(name, '.'))) {
+ *s = '\0';
+ fputs(name, stdout);
+ }
+ fputs("</a>\n", stdout);
+ }
+
+ puts("</div>");
+}
+
+int
+qsort_strcmp(const void *a, const void *b)
+{
+ return strcmp(*(char **)a, *(char **)b);
+}
+
+void
+menu_panel(char *domain, char *page, char *this)
+{
+ DIR *dp;
+ struct dirent *de;
+ char *d_list[DIR_MAX];
+ char **d;
+ size_t d_len = 0;
+
+ if ((dp = opendir(this ? this : ".")) == NULL)
+ die_perror("opendir ", this ? this : ".", NULL);
+
+ while (d_len < LEN(d_list) && (de = readdir(dp)))
+ d_list[d_len++] = de->d_name;
+ d_list[d_len] = NULL;
+
+ qsort(d_list, d_len, sizeof *d_list,
+ &qsort_strcmp);
+
+ for (d = d_list; *d != NULL; ++d) {
+ int match;
+ char newdir[PATH_MAX];
+
+ if (**d == '.') continue;
+ subdir(newdir, sizeof newdir, this, *d);
+ if (!stat_isdir(newdir)) continue;
+
+ fputs("\t<li><a", stdout);
+ if (page && !strncmp(newdir, page, strlen(newdir)))
+ fputs(" class=\"thisPage\"", stdout);
+ printf(" href=\"//%s/%s\">", domain, newdir);
+ print_name(*d);
+ puts("/</a>");
+ if (page && !strncmp(newdir, page, strlen(newdir))) {
+ puts("\t<ul>");
+ menu_panel(domain, page, newdir);
+ puts("\t</ul>");
+ }
+ puts("</li>");
+ }
+}
+
+void
+print_menu_panel(char *domain, char *page)
+{
+ char *s;
+
+ fputs("<div id=\"nav\">\n\t<ul>\n\t<li><a", stdout);
+ if (!page)
+ fputs(" class=\"thisPage\"", stdout);
+ puts(" href=\"/\">about</a></li>");
+ menu_panel(domain, page, NULL);
+
+ puts("\t</ul>");
+ puts("</div>");
+}
+
+void
+print_content(char *domain, char *page)
+{
+ char index[PATH_MAX];
+
+ subdir(index, sizeof index, page, "index.md");
+
+ puts("<div id=\"main\">\n");
+
+ if (stat_isfile(index)) {
+ char *argv[] = { CONVERTER, index, NULL };
+ fflush(stdout);
+ if (spawn_wait(argv) == -1)
+ die_perror(CONVERTER, domain, "/", page, "/", index, NULL);
+ }
+ puts("</div>\n");
+}
+
+void
+print_footer(char *domain, char *page)
+{
+ (void)domain;
+ (void)page;
+ fputs(html_footer, stdout);
+}
+
+int
+main(int argc, char *argv[])
+{
+ char *domain;
+ char *page;
+
+ if (argc != 2)
+ die("usage: ", argv[0], " directory");
+ if ((page = strchr(argv[1], '/')))
+ *page++ = '\0';
+ domain = argv[1];
+ if (chdir(domain) == -1)
+ return perror(domain), 1;
+
+ print_header(domain, page);
+ puts("<div id=\"content\">");
+ print_nav_bar(domain, page);
+ print_menu_panel(domain, page);
+ print_content(domain, page);
+ puts("</div>\n");
+ print_footer(domain, page);
+
+ return 0;
+}
