diff options
Diffstat (limited to 'src/cli/stasis_indexer/website.c')
| -rw-r--r-- | src/cli/stasis_indexer/website.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/cli/stasis_indexer/website.c b/src/cli/stasis_indexer/website.c new file mode 100644 index 0000000..c04b7f2 --- /dev/null +++ b/src/cli/stasis_indexer/website.c @@ -0,0 +1,119 @@ +#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; +} |