From a7ac40888f530c12f137b3f6249b6f1dcfae3ea3 Mon Sep 17 00:00:00 2001
From: Campbell Barton <ideasman42@gmail.com>
Date: Thu, 11 Jul 2019 14:18:39 +1000
Subject: Text: buffer from text, optional length return arg

No functional changes (currently unused).
---
 source/blender/blenkernel/BKE_text.h         |  4 ++--
 source/blender/blenkernel/intern/text.c      | 22 +++++++++++++++++++---
 source/blender/editors/space_text/text_ops.c | 10 +++++-----
 source/blender/python/intern/bpy_interface.c |  2 +-
 4 files changed, 27 insertions(+), 11 deletions(-)

(limited to 'source/blender')

diff --git a/source/blender/blenkernel/BKE_text.h b/source/blender/blenkernel/BKE_text.h
index d26b9a86635..c78faa9dd18 100644
--- a/source/blender/blenkernel/BKE_text.h
+++ b/source/blender/blenkernel/BKE_text.h
@@ -54,7 +54,7 @@ void BKE_text_write(struct Text *text, struct TextUndoBuf *utxt, const char *str
 int BKE_text_file_modified_check(struct Text *text);
 void BKE_text_file_modified_ignore(struct Text *text);
 
-char *txt_to_buf(struct Text *text);
+char *txt_to_buf(struct Text *text, int *r_buf_strlen);
 void txt_clean_text(struct Text *text);
 void txt_order_cursors(struct Text *text, const bool reverse);
 int txt_find_string(struct Text *text, const char *findstr, int wrap, int match_case);
@@ -83,7 +83,7 @@ void txt_delete_selected(struct Text *text, struct TextUndoBuf *utxt);
 void txt_sel_all(struct Text *text);
 void txt_sel_clear(struct Text *text);
 void txt_sel_line(struct Text *text);
-char *txt_sel_to_buf(struct Text *text);
+char *txt_sel_to_buf(struct Text *text, int *r_buf_strlen);
 void txt_insert_buf(struct Text *text, struct TextUndoBuf *utxt, const char *in_buffer);
 void txt_undo_add_op(struct Text *text, struct TextUndoBuf *utxt, int op);
 void txt_do_undo(struct Text *text, struct TextUndoBuf *utxt);
diff --git a/source/blender/blenkernel/intern/text.c b/source/blender/blenkernel/intern/text.c
index 7d5862c1fb6..1d6de646255 100644
--- a/source/blender/blenkernel/intern/text.c
+++ b/source/blender/blenkernel/intern/text.c
@@ -1289,7 +1289,7 @@ static void txt_delete_sel(Text *text, TextUndoBuf *utxt)
   txt_order_cursors(text, false);
 
   if (!undoing) {
-    buf = txt_sel_to_buf(text);
+    buf = txt_sel_to_buf(text, NULL);
     txt_undo_add_blockop(text, utxt, UNDO_DBLOCK, buf);
     MEM_freeN(buf);
   }
@@ -1353,13 +1353,17 @@ void txt_sel_line(Text *text)
 /* Cut and paste functions */
 /***************************/
 
-char *txt_to_buf(Text *text)
+char *txt_to_buf(Text *text, int *r_buf_strlen)
 {
   int length;
   TextLine *tmp, *linef, *linel;
   int charf, charl;
   char *buf;
 
+  if (r_buf_strlen) {
+    *r_buf_strlen = 0;
+  }
+
   if (!text->curl) {
     return NULL;
   }
@@ -1419,6 +1423,10 @@ char *txt_to_buf(Text *text)
     buf[length] = 0;
   }
 
+  if (r_buf_strlen) {
+    *r_buf_strlen = length;
+  }
+
   return buf;
 }
 
@@ -1475,13 +1483,17 @@ int txt_find_string(Text *text, const char *findstr, int wrap, int match_case)
   }
 }
 
-char *txt_sel_to_buf(Text *text)
+char *txt_sel_to_buf(Text *text, int *r_buf_strlen)
 {
   char *buf;
   int length = 0;
   TextLine *tmp, *linef, *linel;
   int charf, charl;
 
+  if (r_buf_strlen) {
+    *r_buf_strlen = 0;
+  }
+
   if (!text->curl) {
     return NULL;
   }
@@ -1556,6 +1568,10 @@ char *txt_sel_to_buf(Text *text)
     buf[length] = 0;
   }
 
+  if (r_buf_strlen) {
+    *r_buf_strlen = length;
+  }
+
   return buf;
 }
 
diff --git a/source/blender/editors/space_text/text_ops.c b/source/blender/editors/space_text/text_ops.c
index 63d4f3e3119..33bacb0a95f 100644
--- a/source/blender/editors/space_text/text_ops.c
+++ b/source/blender/editors/space_text/text_ops.c
@@ -932,7 +932,7 @@ static void txt_copy_clipboard(Text *text)
     return;
   }
 
-  buf = txt_sel_to_buf(text);
+  buf = txt_sel_to_buf(text, NULL);
 
   if (buf) {
     WM_clipboard_text_set(buf, 0);
@@ -2994,7 +2994,7 @@ static void text_cursor_set_exit(bContext *C, wmOperator *op)
   char *buffer;
 
   if (txt_has_sel(text)) {
-    buffer = txt_sel_to_buf(text);
+    buffer = txt_sel_to_buf(text, NULL);
     WM_clipboard_text_set(buffer, 1);
     MEM_freeN(buffer);
   }
@@ -3308,7 +3308,7 @@ static int text_find_and_replace(bContext *C, wmOperator *op, short mode)
 
   /* Replace current */
   if (mode != TEXT_FIND && txt_has_sel(text)) {
-    tmp = txt_sel_to_buf(text);
+    tmp = txt_sel_to_buf(text, NULL);
 
     if (flags & ST_MATCH_CASE) {
       found = STREQ(st->findstr, tmp);
@@ -3406,7 +3406,7 @@ static int text_find_set_selected_exec(bContext *C, wmOperator *op)
   Text *text = CTX_data_edit_text(C);
   char *tmp;
 
-  tmp = txt_sel_to_buf(text);
+  tmp = txt_sel_to_buf(text, NULL);
   BLI_strncpy(st->findstr, tmp, ST_MAX_FIND_STR);
   MEM_freeN(tmp);
 
@@ -3437,7 +3437,7 @@ static int text_replace_set_selected_exec(bContext *C, wmOperator *UNUSED(op))
   Text *text = CTX_data_edit_text(C);
   char *tmp;
 
-  tmp = txt_sel_to_buf(text);
+  tmp = txt_sel_to_buf(text, NULL);
   BLI_strncpy(st->replacestr, tmp, ST_MAX_FIND_STR);
   MEM_freeN(tmp);
 
diff --git a/source/blender/python/intern/bpy_interface.c b/source/blender/python/intern/bpy_interface.c
index b34a41b5af6..71bc01d6b98 100644
--- a/source/blender/python/intern/bpy_interface.c
+++ b/source/blender/python/intern/bpy_interface.c
@@ -457,7 +457,7 @@ static bool python_script_exec(
 
       fn_dummy_py = PyC_UnicodeFromByte(fn_dummy);
 
-      buf = txt_to_buf(text);
+      buf = txt_to_buf(text, NULL);
       text->compiled = Py_CompileStringObject(buf, fn_dummy_py, Py_file_input, NULL, -1);
       MEM_freeN(buf);
 
-- 
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