[ghex/expand-search-options: 4/9] widget: Add API per HexDocument expanded find/replace

[Logan Rathbone <larathbone src gnome org>]

commit 3d11598923ee8ad43685a98d71ffe24ae0dcad52
Author: Logan Rathbone <poprocks gmail com>
Date:   Tue Apr 19 19:38:55 2022 -0400

    widget: Add API per HexDocument expanded find/replace
    
    And remove now-superfluous function.

 src/gtkhex.c | 92 ++++++++++++++++++++++++++++++++++++------------------------
 src/gtkhex.h |  3 ++
 2 files changed, 58 insertions(+), 37 deletions(-)
---
diff --git a/src/gtkhex.c b/src/gtkhex.c
index b155838..1a91ea2 100644
--- a/src/gtkhex.c
+++ b/src/gtkhex.c
@@ -104,6 +104,8 @@ struct _HexWidgetAutoHighlight
        char *search_string;
        int search_len;
 
+       HexSearchFlags search_flags;
+
        gint64 view_min;
        gint64 view_max;
 
@@ -2025,41 +2027,37 @@ hex_widget_delete_highlight (HexWidget *self, HexWidgetAutoHighlight *ahl,
        bytes_changed(self, start, end);
 }
 
-/* stolen from hex_document_compare_data - but uses
- * hex_widget_* stuff rather than hex_document_* directly
- * and simply returns a gboolean.
- */
-static gboolean
-hex_widget_compare_data (HexWidget *self, guchar *cmp, gint64 pos, int len)
-{
-       for (int i = 0; i < len; i++)
-       {
-               guchar c = hex_widget_get_byte (self, pos + i);
-
-               if (c != *(cmp + i))
-                       return FALSE;
-       }
-       return TRUE;
-}
-
 static gboolean
 hex_widget_find_limited (HexWidget *self, char *find, int findlen,
-               gint64 lower, gint64 upper, gint64 *found)
+               HexSearchFlags flags, gint64 lower, gint64 upper,
+               gint64 *found, size_t *found_len)
 {
+       gboolean retval = FALSE;
        gint64 pos = lower;
+       HexDocumentFindData *find_data = g_new0 (HexDocumentFindData, 1);
+
+       find_data->what = find;
+       find_data->len = findlen;
+       find_data->flags = flags;
 
        while (pos < upper)
        {
-               if (hex_widget_compare_data (self, (guchar *)find, pos, findlen))
+               if (hex_document_compare_data_full (self->document, find_data, pos)
+                               == 0)
                {
                        *found = pos;
-                       return TRUE;
+                       *found_len = find_data->found_len;
+
+                       retval = TRUE;
+                       goto out;
                }
                pos++;
        }
-       return FALSE;
-}
 
+out:
+       g_free (find_data);
+       return retval;
+}
 
 /* Helper for the autohighlight functions to set a reasonable default
  * view_min () and view_max () value.
@@ -2078,6 +2076,7 @@ hex_widget_update_auto_highlight (HexWidget *self, HexWidgetAutoHighlight *ahl,
        gint64 del_min, del_max;
        gint64 add_min, add_max;
        gint64 foundpos = -1;
+       size_t found_len;
        gint64 prev_min = ahl->view_min;
        gint64 prev_max = ahl->view_max;
        HexWidget_Highlight *cur;
@@ -2119,15 +2118,23 @@ hex_widget_update_auto_highlight (HexWidget *self, HexWidgetAutoHighlight *ahl,
                        hex_widget_delete_highlight (self, ahl, cur);
                        cur = next;
                }
-               else cur = cur->next;
+               else
+                       cur = cur->next;
        }
 
        while (add &&
-                  hex_widget_find_limited (self, ahl->search_string, ahl->search_len,
-                          /* lower */ MAX(add_min, foundpos+1), add_max, &foundpos))
+                  hex_widget_find_limited (self,
+                          ahl->search_string,
+                          ahl->search_len,
+                          ahl->search_flags,
+                          MAX(add_min, foundpos+1),    /* lower */
+                          add_max,                                             /* upper */
+                          &foundpos,
+                          &found_len))
        {
                hex_widget_insert_highlight (self, ahl,
-                               foundpos, foundpos+(ahl->search_len)-1);
+                               foundpos,
+                               foundpos + found_len - 1);
        }
 }
 
@@ -3421,24 +3428,17 @@ hex_widget_set_insert_mode (HexWidget *self, gboolean insert)
                        self->cursor_pos = payload_size - 1;
 }
 
-/**
- * hex_widget_insert_autohighlight:
- * @search: (array length=len) (transfer full): search string to auto-highlight
- * @len: length of the @search string
- *   
- * Insert an auto-highlight of a given search string.
- *
- * Returns: a newly created [struct@Hex.WidgetAutoHighlight] structure
- */
 HexWidgetAutoHighlight *
-hex_widget_insert_autohighlight (HexWidget *self,
+hex_widget_insert_autohighlight_full (HexWidget *self,
                const char *search,
-               int len)
+               int len,
+               HexSearchFlags flags)
 {
        HexWidgetAutoHighlight *new = g_new0 (HexWidgetAutoHighlight, 1);
 
        new->search_string = g_memdup2 (search, len);
        new->search_len = len;
+       new->search_flags = flags;
 
        new->highlights = NULL;
 
@@ -3454,6 +3454,24 @@ hex_widget_insert_autohighlight (HexWidget *self,
        return new;
 }
 
+/**
+ * hex_widget_insert_autohighlight:
+ * @search: (array length=len) (transfer full): search string to auto-highlight
+ * @len: length of the @search string
+ *
+ * Insert an auto-highlight of a given search string.
+ *
+ * Returns: a newly created [struct@Hex.WidgetAutoHighlight] structure
+ */
+HexWidgetAutoHighlight *
+hex_widget_insert_autohighlight (HexWidget *self,
+               const char *search,
+               int len)
+{
+       return hex_widget_insert_autohighlight_full (
+                       self, search, len, HEX_SEARCH_NONE);
+}
+
 /* FIXME - use _free func. */
 /**
  * hex_widget_delete_autohighlight:
diff --git a/src/gtkhex.h b/src/gtkhex.h
index 561fb40..6c2ef3e 100644
--- a/src/gtkhex.h
+++ b/src/gtkhex.h
@@ -101,6 +101,9 @@ void hex_widget_delete_selection (HexWidget *gh);
 
 HexWidgetAutoHighlight *
 hex_widget_insert_autohighlight (HexWidget *gh, const char *search, int len);
+HexWidgetAutoHighlight *
+hex_widget_insert_autohighlight_full (HexWidget *self, const char *search,
+               int len, HexSearchFlags flags);
 void hex_widget_delete_autohighlight (HexWidget *gh, HexWidgetAutoHighlight *ahl);
 
 GtkAdjustment *hex_widget_get_adjustment(HexWidget *gh);