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#include "core.h"
#include "website.h"
int indexer_make_website(const struct Delivery *ctx) {
if (!find_program("pandoc")) {
fprintf(stderr, "pandoc is not installed: unable to generate HTML indexes\n");
return 0;
}
char *css_filename = calloc(PATH_MAX, sizeof(*css_filename));
if (!css_filename) {
SYSERROR("unable to allocate string for CSS file path: %s", strerror(errno));
return -1;
}
sprintf(css_filename, "%s/%s", globals.sysconfdir, "stasis_pandoc.css");
const int have_css = access(css_filename, F_OK | R_OK) == 0;
char pandoc_versioned_args[255] = {0};
size_t pandoc_version = 0;
if (!get_pandoc_version(&pandoc_version)) {
// < 2.19
if (pandoc_version < 0x02130000) {
strcat(pandoc_versioned_args, "--self-contained ");
} else {
// >= 2.19
strcat(pandoc_versioned_args, "--embed-resources ");
}
// >= 1.15.0.4
if (pandoc_version >= 0x010f0004) {
strcat(pandoc_versioned_args, "--standalone ");
}
// >= 1.10.0.1
if (pandoc_version >= 0x010a0001) {
strcat(pandoc_versioned_args, "-f gfm+autolink_bare_uris ");
}
// > 3.1.9
if (pandoc_version > 0x03010900) {
strcat(pandoc_versioned_args, "-f gfm+alerts ");
}
}
struct StrList *dirs = strlist_init();
strlist_append(&dirs, ctx->storage.delivery_dir);
strlist_append(&dirs, ctx->storage.results_dir);
struct StrList *inputs = NULL;
for (size_t i = 0; i < strlist_count(dirs); i++) {
const char *pattern = "*.md";
if (get_files(&inputs, ctx->storage.delivery_dir, pattern)) {
SYSERROR("%s does not contain files with pattern: %s", ctx->storage.delivery_dir, pattern);
guard_strlist_free(&inputs);
continue;
}
char *root = strlist_item(dirs, i);
for (size_t x = 0; x < strlist_count(inputs); x++) {
char cmd[PATH_MAX] = {0};
char *filename = strlist_item(inputs, x);
char fullpath_src[PATH_MAX] = {0};
char fullpath_dest[PATH_MAX] = {0};
sprintf(fullpath_src, "%s/%s", root, filename);
if (access(fullpath_src, F_OK)) {
continue;
}
// Replace *.md extension with *.html.
strcpy(fullpath_dest, fullpath_src);
gen_file_extension_str(fullpath_dest, ".html");
// Converts a markdown file to html
strcpy(cmd, "pandoc ");
strcat(cmd, pandoc_versioned_args);
if (have_css) {
strcat(cmd, "--css ");
strcat(cmd, css_filename);
}
strcat(cmd, " ");
strcat(cmd, "--metadata title=\"STASIS\" ");
strcat(cmd, "-o ");
strcat(cmd, fullpath_dest);
strcat(cmd, " ");
strcat(cmd, fullpath_src);
if (globals.verbose) {
puts(cmd);
}
// This might be negative when killed by a signal.
// Otherwise, the return code is not critical to us.
if (system(cmd) < 0) {
guard_free(css_filename);
guard_strlist_free(&dirs);
return 1;
}
if (file_replace_text(fullpath_dest, ".md", ".html", 0)) {
// inform-only
SYSERROR("%s: failed to rewrite *.md urls with *.html extension", fullpath_dest);
}
// Link the nearest README.html to index.html
if (!strcmp(filename, "README.md")) {
char link_from[PATH_MAX] = {0};
char link_dest[PATH_MAX] = {0};
strcpy(link_from, "README.html");
sprintf(link_dest, "%s/%s", root, "index.html");
if (symlink(link_from, link_dest)) {
SYSERROR("Warning: symlink(%s, %s) failed: %s", link_from, link_dest, strerror(errno));
}
}
}
guard_strlist_free(&inputs);
}
guard_free(css_filename);
guard_strlist_free(&dirs);
return 0;
}
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