From 587d0af0dd2060a033a69ea641e3993511809a7d Mon Sep 17 00:00:00 2001
From: Ben Winston
Date: Sun, 9 Jun 2024 21:56:45 -0400
Subject: preserve unrecognized parts of a book in their entirety

---
 booki.c | 44 ++++++++++++++++++++++++++++----------------
 1 file changed, 28 insertions(+), 16 deletions(-)

(limited to 'booki.c')

diff --git a/booki.c b/booki.c
index 2379943..bfdcf24 100644
--- a/booki.c
+++ b/booki.c
@@ -581,6 +581,7 @@ long parse_int(char* current_pos, char** new_pos) {
 }
 
 #define SEEK_UNTIL(ptr, ch) while (*ptr != ch) ptr++;
+#define SEEK_UNTIL_EITHER(ptr, ch1, ch2) while (*ptr != ch1 && *ptr != ch2) ptr++;
 #define SEEK_WHILE(ptr, ch) while (*ptr == ch) ptr++;
 
 ES parse_string(char* current_pos, char** new_pos) {
@@ -645,6 +646,23 @@ ES parse_strings(char* current_pos, char** new_pos) {
     }
 }
 
+void add_to_other(BOOK* book, char* ptr, int len) {
+    if (book->_other.len == 0) {
+        ES other;
+        other.len = len;
+        other.ptr = ptr;
+        other.next = NULL;
+        book->_other = other;
+    } else {
+        ES* last = &(book->_other);
+        while (last->next != NULL)
+            last = last->next;
+        last->next = (ES*)malloc(sizeof(ES));
+        last->next->len = len;
+        last->next->ptr = ptr;
+        last->next->next = NULL;
+    }
+}
 
 void parse_book(char* current_pos, BOOK* book) {
     char* attr;
@@ -654,7 +672,15 @@ void parse_book(char* current_pos, BOOK* book) {
     while (c != '\n') {
         // we start at the beginning of a line
         attr = current_pos;
-        SEEK_UNTIL(current_pos, '=');
+        SEEK_UNTIL_EITHER(current_pos, '=', '\n');
+
+        // if we reached the end of a line, we never hit an equals sign
+        // so capture the line as-is and continue
+        if (*current_pos == '\n') {
+            add_to_other(book, attr, current_pos - attr);
+            c = *(++current_pos);
+            continue;
+        }
 
         // go past the equals sign
         current_pos++;
@@ -699,21 +725,7 @@ void parse_book(char* current_pos, BOOK* book) {
         } else {
             // anything we didn't match should be captured as-is
             SEEK_UNTIL(current_pos, '\n');
-            if (book->_other.len == 0) {
-                ES other;
-                other.len = current_pos - attr;
-                other.ptr = attr;
-                other.next = NULL;
-                book->_other = other;
-            } else {
-                ES* last = &(book->_other);
-                while (last->next != NULL)
-                    last = last->next;
-                last->next = (ES*)malloc(sizeof(ES));
-                last->next->len = current_pos - attr;
-                last->next->ptr = attr;
-                last->next->next = NULL;
-            }
+            add_to_other(book, attr, current_pos - attr);
         }
 
         // go to (and then past) the newline
-- 
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