First commit with project structure

1 files changed, 54 insertions, 0 deletions

diff --git a/src/piece-table.c b/src/piece-table.c
new file mode 100644
index 0000000..490950b
--- /dev/null
+++ b/src/piece-table.c
@@ -0,0 +1,54 @@
+#include "piece-table.h"
+
+static piece *make_piece() {
+    return malloc(sizeof(piece));
+}
+
+static piece *make_sentinel() {
+    piece *p = make_piece();
+    p->length = 0;
+    p->next   = NULL;
+    p->prev   = NULL;
+    p->start  = NULL;
+    return p;
+}
+
+bool init_piece_table(piece_table *pt, char *orig) {
+    piece *pc, *sentinel;
+
+    init_growable_buffer(&pt->add);
+    init_fixed_buffer(&pt->orig, orig);
+
+    pt->length = pt->orig.size;
+
+    pc = make_piece();
+    if(pc == NULL){
+        return false;
+    }
+    sentinel = make_sentinel();
+    if(sentinel == NULL){
+        return false;
+    }
+    pc->start = pt->orig.content;
+    pc->length = pt->orig.size;
+    pc->prev = sentinel;
+    pc->next = sentinel;
+
+    pt->cached_offset = 0;
+    pt->cached = pc;
+    return true;
+}
+
+void free_piece_table(piece_table *pt) {
+    free_growable_buffer(&pt->add);
+    free_fixed_buffer(&pt->orig);
+    free_piece_list(pt->sentinel);
+    pt->sentinel = NULL;
+    pt->cached = NULL;
+    pt->cached_offset = 0;
+    pt->length = 0;
+}
+
+void free_piece_list(piece *pt) {
+    // TODO
+}