added global variables with date/filename on first and last post

5 files changed, 51 insertions, 12 deletions

diff --git a/src/loader.c b/src/loader.c
index 485fb0d..87abd8e 100644
--- a/src/loader.c
+++ b/src/loader.c
@@ -124,10 +124,11 @@ blogc_source_parse_from_file(const char *f, blogc_error_t **err)
 
 
 b_slist_t*
-blogc_source_parse_from_files(b_slist_t *l, blogc_error_t **err)
+blogc_source_parse_from_files(b_trie_t *conf, b_slist_t *l, blogc_error_t **err)
 {
     blogc_error_t *tmp_err = NULL;
     b_slist_t *rv = NULL;
+    bool first = true;
 
     for (b_slist_t *tmp = l; tmp != NULL; tmp = tmp->next) {
         char *f = tmp->data;
@@ -142,6 +143,23 @@ blogc_source_parse_from_files(b_slist_t *l, blogc_error_t **err)
             rv = NULL;
             break;
         }
+        if (first) {
+            const char *val = b_trie_lookup(s, "DATE");
+            if (val != NULL)
+                b_trie_insert(conf, "DATE_FIRST", b_strdup(val));
+            val = b_trie_lookup(s, "FILENAME");
+            if (val != NULL)
+                b_trie_insert(conf, "FILENAME_FIRST", b_strdup(val));
+            first = false;
+        }
+        if (tmp->next == NULL) {  // last
+            const char *val = b_trie_lookup(s, "DATE");
+            if (val != NULL)
+                b_trie_insert(conf, "DATE_LAST", b_strdup(val));
+            val = b_trie_lookup(s, "FILENAME");
+            if (val != NULL)
+                b_trie_insert(conf, "FILENAME_LAST", b_strdup(val));
+        }
         rv = b_slist_append(rv, s);
     }
     return rv;
diff --git a/src/loader.h b/src/loader.h
index 6407d0d..2b6b306 100644
--- a/src/loader.h
+++ b/src/loader.h
@@ -18,6 +18,7 @@ char* blogc_file_get_contents(const char *path, size_t *len, blogc_error_t **err
 char* blogc_get_filename(const char *f);
 b_slist_t* blogc_template_parse_from_file(const char *f, blogc_error_t **err);
 b_trie_t* blogc_source_parse_from_file(const char *f, blogc_error_t **err);
-b_slist_t* blogc_source_parse_from_files(b_slist_t *l, blogc_error_t **err);
+b_slist_t* blogc_source_parse_from_files(b_trie_t *conf, b_slist_t *l,
+    blogc_error_t **err);
 
 #endif /* _LOADER_H */
diff --git a/src/main.c b/src/main.c
index be18050..f3af371 100644
--- a/src/main.c
+++ b/src/main.c
@@ -208,7 +208,7 @@ main(int argc, char **argv)
         goto cleanup2;
     }
 
-    b_slist_t *s = blogc_source_parse_from_files(sources, &err);
+    b_slist_t *s = blogc_source_parse_from_files(config, sources, &err);
     if (err != NULL) {
         blogc_error_print(err);
         goto cleanup3;
diff --git a/src/renderer.c b/src/renderer.c
index ccd6c04..c73244b 100644
--- a/src/renderer.c
+++ b/src/renderer.c
@@ -39,9 +39,8 @@ blogc_get_variable(const char *name, b_trie_t *global, b_trie_t *local)
 
 
 char*
-blogc_format_date(b_trie_t *global, b_trie_t *local)
+blogc_format_date(const char *date, b_trie_t *global, b_trie_t *local)
 {
-    const char *date = blogc_get_variable("DATE", global, local);
     const char *date_format = blogc_get_variable("DATE_FORMAT", global, local);
     if (date == NULL)
         return NULL;
@@ -82,6 +81,7 @@ blogc_render(b_slist_t *tmpl, b_slist_t *sources, b_trie_t *config, bool listing
 
     b_trie_t *tmp_source = NULL;
     const char *config_value = NULL;
+    const char *config_var = NULL;
     char *config_value2 = NULL;
 
     unsigned int if_count = 0;
@@ -143,9 +143,18 @@ blogc_render(b_slist_t *tmpl, b_slist_t *sources, b_trie_t *config, bool listing
 
             case BLOGC_TEMPLATE_VARIABLE_STMT:
                 if (stmt->value != NULL) {
-                    if (0 == strcmp(stmt->value, "DATE_FORMATTED")) {
-                        config_value2 = blogc_format_date(config,
-                            inside_block ? tmp_source : NULL);
+                    config_var = NULL;
+                    if (0 == strcmp(stmt->value, "DATE_FORMATTED"))
+                        config_var = "DATE";
+                    else if (0 == strcmp(stmt->value, "DATE_FIRST_FORMATTED"))
+                        config_var = "DATE_FIRST";
+                    else if (0 == strcmp(stmt->value, "DATE_LAST_FORMATTED"))
+                        config_var = "DATE_LAST";
+                    if (config_var != NULL) {
+                        config_value2 = blogc_format_date(
+                            blogc_get_variable(config_var, config,
+                                inside_block ? tmp_source : NULL),
+                            config, inside_block ? tmp_source : NULL);
                         if (config_value2 != NULL) {
                             b_string_append(str, config_value2);
                             free(config_value2);
@@ -181,8 +190,18 @@ blogc_render(b_slist_t *tmpl, b_slist_t *sources, b_trie_t *config, bool listing
             case BLOGC_TEMPLATE_IF_STMT:
                 defined = false;
                 if (stmt->value != NULL) {
-                    if (0 == strcmp(stmt->value, "DATE_FORMATTED")) {
-                        config_value2 = blogc_format_date(config, tmp_source);
+                    config_var = NULL;
+                    if (0 == strcmp(stmt->value, "DATE_FORMATTED"))
+                        config_var = "DATE";
+                    else if (0 == strcmp(stmt->value, "DATE_FIRST_FORMATTED"))
+                        config_var = "DATE_FIRST";
+                    else if (0 == strcmp(stmt->value, "DATE_LAST_FORMATTED"))
+                        config_var = "DATE_LAST";
+                    if (config_var != NULL) {
+                        config_value2 = blogc_format_date(
+                            blogc_get_variable(config_var, config,
+                                inside_block ? tmp_source : NULL),
+                            config, inside_block ? tmp_source : NULL);
                         if (config_value2 != NULL) {
                             defined = true;
                             free(config_value2);
@@ -190,7 +209,8 @@ blogc_render(b_slist_t *tmpl, b_slist_t *sources, b_trie_t *config, bool listing
                         }
                     }
                     else
-                        defined = blogc_get_variable(stmt->value, config, tmp_source) != NULL;
+                        defined = blogc_get_variable(stmt->value, config,
+                            inside_block ? tmp_source : NULL) != NULL;
                 }
                 if ((!if_not && !defined) || (if_not && defined)) {
                     if_skip = if_count;
diff --git a/src/renderer.h b/src/renderer.h
index e4ad4a1..b6bbfed 100644
--- a/src/renderer.h
+++ b/src/renderer.h
@@ -13,7 +13,7 @@
 #include "utils/utils.h"
 
 const char* blogc_get_variable(const char *name, b_trie_t *global, b_trie_t *local);
-char* blogc_format_date(b_trie_t *global, b_trie_t *local);
+char* blogc_format_date(const char *date, b_trie_t *global, b_trie_t *local);
 char* blogc_render(b_slist_t *tmpl, b_slist_t *sources, b_trie_t *config,
     bool listing);