From c7e413c6e5ddb892986adbb35c72294c93ab8563 Mon Sep 17 00:00:00 2001
From: natjms <natjms@njms.ca>
Date: Thu, 19 Jan 2023 15:33:16 -0800
Subject: [PATCH] Replace titleMap with pageMap

Now, our hashmap holds pointers to the Page struct. This will be more
useful for implementing incoming links and whatnot
---
 .gitignore |  4 ++++
 calathea.c | 42 ++++++++++++++++++++++--------------------
 2 files changed, 26 insertions(+), 20 deletions(-)

diff --git a/.gitignore b/.gitignore
index cfd3752..1ccac57 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,7 @@ build
 out
 pages
 template.html
+
+# Vim
+~*
+.*.sw*
diff --git a/calathea.c b/calathea.c
index 4eb1c52..6f7ad7c 100644
--- a/calathea.c
+++ b/calathea.c
@@ -75,21 +75,22 @@ void to_lower_case(char dest[], char str[]) {
   dest[i] = 0;
 }
 
-void map_put(char map[][80], int mapSize, char title[], char permalink[]) {
+void map_put(struct Page **map, int mapSize, char title[], struct Page *page) {
   char lowercased[80];
   to_lower_case(lowercased, title);
 
   int index = hash_polynomial(mapSize, lowercased);
-  strncpy(map[index], permalink, 79);
-  map[index][79] = 0;
+  map[index] = page;
 }
 
-char * map_get(char map[][80], int mapSize, char title[]) {
+struct Page * map_get(struct Page **map, int mapSize, char title[]) {
   char lowercased[80];
   to_lower_case(lowercased, title);
 
   int index = hash_polynomial(mapSize, lowercased);
-  return map[index];
+  struct Page *page = map[index];
+
+  return page;
 }
 
 /*** Templating ***/
@@ -157,10 +158,8 @@ int main(int argc, char *argv[]) {
     return 1;
   }
 
-  char titleMap[mapSize][80];
-  for (int i = 0; i < mapSize; i++) {
-    titleMap[i][0] = 0;
-  }
+  struct Page ** pageMap = malloc(mapSize * sizeof(struct Page *));
+  memset(pageMap, 0, mapSize * sizeof(struct Page *));
 
   // Contains some information about the current file picked from pagesDir
   struct dirent *fileEntry = readdir(pagesDir);
@@ -245,7 +244,7 @@ int main(int argc, char *argv[]) {
     currentPage->title[min(titleLength, 80)] = 0;
 
     // Insert it into the hash map for lookup later
-    map_put(titleMap, mapSize, currentPage->title, currentPage->permalink);
+    map_put(pageMap, mapSize, currentPage->title, currentPage);
 
     // Get ready to process the next page
     fileEntry = readdir(pagesDir);
@@ -298,21 +297,21 @@ int main(int argc, char *argv[]) {
       strncpy(title, nextLinkStart + 2, (linkLength - 2)*sizeof(char));
       title[linkLength - 2] = 0;
 
-      char *permalink = map_get(titleMap, mapSize, title);
+      struct Page *linkedPage = map_get(pageMap, mapSize, title);
       char *compiledLink;
 
-      if (permalink[0] == 0) {
+      if (linkedPage == NULL) {
         // i.e. the page does not exist
         compiledLink = malloc(strlen(title) + 38);
         strcpy(compiledLink, "<a class=\"calathea-404\" href=\"#\">");
         strcat(compiledLink, title);
         strcat(compiledLink, "</a>\0");
       } else {
-        compiledLink = malloc(strlen(title) + strlen(permalink) + 5);
+        compiledLink = malloc(strlen(title) + strlen(linkedPage->permalink) + 5);
         strcpy(compiledLink, "[");
         strcat(compiledLink, title);
         strcat(compiledLink, "](");
-        strcat(compiledLink, permalink);
+        strcat(compiledLink, linkedPage->permalink);
         strcat(compiledLink, ")\0");
       }
 
@@ -368,15 +367,18 @@ int main(int argc, char *argv[]) {
     free(outputFileName);
     free(renderedPageContent);
 
-    // We no longer need this page's data so we deallocate it
-    struct Page *nextPage = currentPage->next;
-    free(currentPage->content);
-    free(currentPage->permalink);
-    free(currentPage);
-    currentPage = nextPage;
+    currentPage = currentPage->next;
   }
 
   /*** Deallocation and whatnot ***/
+  currentPage = firstPage;
+  while (currentPage != NULL) {
+    free(currentPage->content);
+    free(currentPage->permalink);
+    struct Page *next = currentPage->next;
+    free(currentPage);
+    currentPage = next;
+  }
   closedir(pagesDir);
   free(templateContent);