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authorRafael G. Martins <rafael@rafaelmartins.eng.br>2018-07-24 23:08:52 +0200
committerRafael G. Martins <rafael@rafaelmartins.eng.br>2018-07-25 22:28:41 +0200
commit1d6a1510c20794393cc45a71334724aee5bef473 (patch)
treea39f1f9ab5b9a3600c05fdc1d1200b933ebc9805 /src/blogc-make/utils.c
parentc16c86bcc01dff2a984aeffd58e2402a876cc12d (diff)
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make: added utilitary function to generate filenames
Diffstat (limited to 'src/blogc-make/utils.c')
-rw-r--r--src/blogc-make/utils.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/blogc-make/utils.c b/src/blogc-make/utils.c
new file mode 100644
index 0000000..b1ff7e1
--- /dev/null
+++ b/src/blogc-make/utils.c
@@ -0,0 +1,61 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2014-2017 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file LICENSE.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+#include "../common/utils.h"
+
+
+char*
+bm_generate_filename(const char *dir, const char *prefix, const char *fname,
+ const char *ext)
+{
+ bool have_prefix = prefix != NULL && prefix[0] != '\0';
+ bool have_fname = fname != NULL && fname[0] != '\0';
+ bool have_ext = ext != NULL && ext[0] != '\0';
+ bool have_ext_noslash = have_ext && ext[0] != '/';
+ bool is_index = have_fname && have_ext && (
+ (0 == strcmp(fname, "index")) && ext[0] == '/');
+
+ bc_string_t *rv = bc_string_new();
+
+ if (dir != NULL && (have_prefix || have_fname || have_ext))
+ bc_string_append(rv, dir);
+
+ if ((have_prefix || have_fname || have_ext_noslash) && !is_index)
+ bc_string_append_c(rv, '/');
+
+ if (have_prefix)
+ bc_string_append(rv, prefix);
+
+ // with fname we have posts, pages and tags
+ if (have_fname) {
+ if (have_prefix && have_fname && fname[0] != '/')
+ bc_string_append_c(rv, '/');
+ if (!is_index)
+ bc_string_append(rv, fname);
+ }
+
+ // no fname means index
+ else if (have_ext_noslash) {
+ if (have_fname)
+ bc_string_append_c(rv, '/');
+ if (!have_prefix)
+ bc_string_append(rv, "index");
+ }
+
+ if (have_ext)
+ bc_string_append(rv, ext);
+
+ if (rv->len == 0) {
+ bc_string_free(rv, true);
+ return NULL;
+ }
+
+ return bc_string_free(rv, false);
+}