add support for 'on' list

1 files changed, 59 insertions, 0 deletions

diff --git a/booki.c b/booki.c
index 6af0e2c..afca7ed 100644
--- a/booki.c
+++ b/booki.c
@@ -28,6 +28,7 @@ struct Book {
     struct es isbn;
     struct es language;
     struct es translator;
+    struct es on[5];
     int published;
 
     // maybe?
@@ -44,6 +45,8 @@ struct Book* init_book(struct Book* book) {
     struct es language = { 7, "English" };  // default language
     book->language = language;
     book->translator = default_es;
+    for (int i = 0; i < 5; i++)
+        book->on[i] = default_es;
     book->published = 0;
 
     //book_count++;
@@ -174,6 +177,36 @@ void parse_book(char* current_pos, struct Book* book) {
             int id = parse_int(current_pos, &new_pos);
             book->id = id;
             current_pos = new_pos;
+        } else if (ATTR_MATCH(attr, "on")) {
+            // this is always a list
+            // look until we hit the opening brace
+            while ((c = *current_pos) != '[')
+                current_pos++;
+
+            current_pos++;  // go past opening brace
+
+            // loop past opening spaces
+            while ((c = *current_pos) == ' ')
+                current_pos++;
+
+            // so long as we keep seeing quotes, keep reading them
+            int on_count = 0;
+            struct es value;
+            while ((c = *current_pos) == '"') {
+                // read the string
+                value = parse_string(current_pos, &new_pos);
+                book->on[on_count] = value;
+                on_count++;
+                current_pos = new_pos;
+
+                // go past any commas or opening spaces
+                while ((c = *current_pos) == ' ')
+                    current_pos++;
+                if (c != ',')
+                    break;
+                while ((c = *current_pos) != '"')
+                    current_pos++;
+            }
         }
 
         // go to (and then past) the newline
@@ -333,6 +366,19 @@ void print_book(struct Book book, bool all_fields) {
             printf(intfmt, "pages", book.pages);
         if (book.published)
             printf(intfmt, "published", book.published);
+
+        int on_count = 0;
+        struct es tmp = book.on[on_count];
+        while (tmp.len != 0) {
+            if (on_count == 0)
+                printf(" - %s: [ %.*s", "on", tmp.len, tmp.ptr);
+            else
+                printf(", %.*s", tmp.len, tmp.ptr);
+            on_count++;
+            tmp = book.on[on_count];
+        }
+        if (on_count != 0)
+            printf(" ]\n");
     }
 }
 
@@ -372,6 +418,19 @@ char** search(int argc, char* argv[]) {
             } else if (ATTR_MATCH(field, "language")) {
                 if (!regex_match(search_opts.args[i], book->language))
                     break;
+            } else if (ATTR_MATCH(field, "on")) {
+                int cnt = 0;
+                struct es tmp = book->on[cnt];
+                bool match = false;
+                while (tmp.len != 0) {
+                    if (regex_match(search_opts.args[i], tmp))
+                        match = true;
+                    cnt++;
+                    tmp = book->on[cnt];
+                }
+                if (!match)
+                    break;
+
             } else {
                 printf("unsupported field: %s\n", field);
                 break;