Fully fonctional editing

src/row_op.c

@@ -1,6 +1,7 @@
 #include "../include/row_op.h"
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 
 int editorRowCxToRx(erow *row, int cursor_x) {
   int render_x = 0;
@@ -52,11 +53,14 @@ void editorUpdateRow(erow *row) {
   row->rsize = i_render;
 }
 
-void editorAppendRow(struct editorConfig *E, char *s, size_t len) {
-  int at;
-  E->row = realloc(E->row, sizeof(erow) * (E->numrows + 1));
+void editorInsertRow(struct editorConfig *E, int at, char *s, size_t len) {
+  if (at < 0 || at > E->numrows) {
+    return;
+  }
+
+  E->row = realloc(E->row, sizeof(erow) * (E->numrows + 1));
+  memmove(&E->row[at + 1], &E->row[at], sizeof(erow) * (E->numrows - at));
 
-  at = E->numrows;
   E->row[at].size = len;
   E->row[at].chars = malloc(len + 1);
   memcpy(E->row[at].chars, s, len);
@@ -67,13 +71,29 @@ void editorAppendRow(struct editorConfig *E, char *s, size_t len) {
   editorUpdateRow(&E->row[at]);
 
   ++E->numrows;
+  ++E->dirty;
+}
+
+void editorFreeRow(erow *row) {
+  free(row->render);
+  free(row->chars);
+}
+
+void editorDelRow(struct editorConfig *E, int at) {
+  if (at < 0 || at >= E->numrows) {
+    return;
+  }
+  editorFreeRow(&E->row[at]);
+  memmove(&E->row[at], &E->row[at + 1], sizeof(erow) * (E->numrows - at - 1));
+  --E->numrows;
+  ++E->dirty;
 }
 
 /**
  * \fn editorRowInsertChar(erow *row, int at, int c)
  * \param at Index of where we want to insert the char */
 
-void editorRowInsertChar(erow *row, int at, int c) {
+void editorRowInsertChar(struct editorConfig *E, erow *row, int at, int c) {
   if (at < 0 || at > row->size) {
     at = row->size;
   }
@@ -82,4 +102,30 @@ void editorRowInsertChar(erow *row, int at, int c) {
   ++row->size;
   row->chars[at] = c;
   editorUpdateRow(row);
+  ++E->dirty;
+}
+
+void editorRowAppendString(struct editorConfig *E, erow *row, char *s,
+                           size_t len) {
+  row->chars = realloc(row->chars, row->size + len + 1);
+  memcpy(&row->chars[row->size], s, len);
+  row->size += len;
+  row->chars[row->size] = '\0';
+  editorUpdateRow(row);
+  ++E->dirty;
+}
+
+/**
+ * \fn editorRowDelChar(struct editorConfig *E, erow *erow, int at)
+ * \brief Delete the a char at the chosen position on the given row
+ * \param at Index of the char to delete
+ * \param row Row on operation is made */
+void editorRowDelchar(struct editorConfig *E, erow *row, int at) {
+  if (at < 0 || at >= row->size) {
+    return;
+  }
+  memmove(&row->chars[at], &row->chars[at + 1], row->size - at);
+  --row->size;
+  editorUpdateRow(row);
+  ++E->dirty;
 }